2 * MIPS32 emulation for qemu: main translation routines.
4 * Copyright (c) 2004-2005 Jocelyn Mayer
5 * Copyright (c) 2006 Marius Groeger (FPU operations)
6 * Copyright (c) 2006 Thiemo Seufer (MIPS32R2 support)
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
32 #include "qemu-common.h"
38 //#define MIPS_DEBUG_DISAS
39 //#define MIPS_DEBUG_SIGN_EXTENSIONS
41 /* MIPS major opcodes */
42 #define MASK_OP_MAJOR(op) (op & (0x3F << 26))
45 /* indirect opcode tables */
46 OPC_SPECIAL = (0x00 << 26),
47 OPC_REGIMM = (0x01 << 26),
48 OPC_CP0 = (0x10 << 26),
49 OPC_CP1 = (0x11 << 26),
50 OPC_CP2 = (0x12 << 26),
51 OPC_CP3 = (0x13 << 26),
52 OPC_SPECIAL2 = (0x1C << 26),
53 OPC_SPECIAL3 = (0x1F << 26),
54 /* arithmetic with immediate */
55 OPC_ADDI = (0x08 << 26),
56 OPC_ADDIU = (0x09 << 26),
57 OPC_SLTI = (0x0A << 26),
58 OPC_SLTIU = (0x0B << 26),
59 /* logic with immediate */
60 OPC_ANDI = (0x0C << 26),
61 OPC_ORI = (0x0D << 26),
62 OPC_XORI = (0x0E << 26),
63 OPC_LUI = (0x0F << 26),
64 /* arithmetic with immediate */
65 OPC_DADDI = (0x18 << 26),
66 OPC_DADDIU = (0x19 << 26),
67 /* Jump and branches */
69 OPC_JAL = (0x03 << 26),
70 OPC_BEQ = (0x04 << 26), /* Unconditional if rs = rt = 0 (B) */
71 OPC_BEQL = (0x14 << 26),
72 OPC_BNE = (0x05 << 26),
73 OPC_BNEL = (0x15 << 26),
74 OPC_BLEZ = (0x06 << 26),
75 OPC_BLEZL = (0x16 << 26),
76 OPC_BGTZ = (0x07 << 26),
77 OPC_BGTZL = (0x17 << 26),
78 OPC_JALX = (0x1D << 26), /* MIPS 16 only */
80 OPC_LDL = (0x1A << 26),
81 OPC_LDR = (0x1B << 26),
82 OPC_LB = (0x20 << 26),
83 OPC_LH = (0x21 << 26),
84 OPC_LWL = (0x22 << 26),
85 OPC_LW = (0x23 << 26),
86 OPC_LBU = (0x24 << 26),
87 OPC_LHU = (0x25 << 26),
88 OPC_LWR = (0x26 << 26),
89 OPC_LWU = (0x27 << 26),
90 OPC_SB = (0x28 << 26),
91 OPC_SH = (0x29 << 26),
92 OPC_SWL = (0x2A << 26),
93 OPC_SW = (0x2B << 26),
94 OPC_SDL = (0x2C << 26),
95 OPC_SDR = (0x2D << 26),
96 OPC_SWR = (0x2E << 26),
97 OPC_LL = (0x30 << 26),
98 OPC_LLD = (0x34 << 26),
99 OPC_LD = (0x37 << 26),
100 OPC_SC = (0x38 << 26),
101 OPC_SCD = (0x3C << 26),
102 OPC_SD = (0x3F << 26),
103 /* Floating point load/store */
104 OPC_LWC1 = (0x31 << 26),
105 OPC_LWC2 = (0x32 << 26),
106 OPC_LDC1 = (0x35 << 26),
107 OPC_LDC2 = (0x36 << 26),
108 OPC_SWC1 = (0x39 << 26),
109 OPC_SWC2 = (0x3A << 26),
110 OPC_SDC1 = (0x3D << 26),
111 OPC_SDC2 = (0x3E << 26),
112 /* MDMX ASE specific */
113 OPC_MDMX = (0x1E << 26),
114 /* Cache and prefetch */
115 OPC_CACHE = (0x2F << 26),
116 OPC_PREF = (0x33 << 26),
117 /* Reserved major opcode */
118 OPC_MAJOR3B_RESERVED = (0x3B << 26),
121 /* MIPS special opcodes */
122 #define MASK_SPECIAL(op) MASK_OP_MAJOR(op) | (op & 0x3F)
126 OPC_SLL = 0x00 | OPC_SPECIAL,
127 /* NOP is SLL r0, r0, 0 */
128 /* SSNOP is SLL r0, r0, 1 */
129 /* EHB is SLL r0, r0, 3 */
130 OPC_SRL = 0x02 | OPC_SPECIAL, /* also ROTR */
131 OPC_SRA = 0x03 | OPC_SPECIAL,
132 OPC_SLLV = 0x04 | OPC_SPECIAL,
133 OPC_SRLV = 0x06 | OPC_SPECIAL, /* also ROTRV */
134 OPC_SRAV = 0x07 | OPC_SPECIAL,
135 OPC_DSLLV = 0x14 | OPC_SPECIAL,
136 OPC_DSRLV = 0x16 | OPC_SPECIAL, /* also DROTRV */
137 OPC_DSRAV = 0x17 | OPC_SPECIAL,
138 OPC_DSLL = 0x38 | OPC_SPECIAL,
139 OPC_DSRL = 0x3A | OPC_SPECIAL, /* also DROTR */
140 OPC_DSRA = 0x3B | OPC_SPECIAL,
141 OPC_DSLL32 = 0x3C | OPC_SPECIAL,
142 OPC_DSRL32 = 0x3E | OPC_SPECIAL, /* also DROTR32 */
143 OPC_DSRA32 = 0x3F | OPC_SPECIAL,
144 /* Multiplication / division */
145 OPC_MULT = 0x18 | OPC_SPECIAL,
146 OPC_MULTU = 0x19 | OPC_SPECIAL,
147 OPC_DIV = 0x1A | OPC_SPECIAL,
148 OPC_DIVU = 0x1B | OPC_SPECIAL,
149 OPC_DMULT = 0x1C | OPC_SPECIAL,
150 OPC_DMULTU = 0x1D | OPC_SPECIAL,
151 OPC_DDIV = 0x1E | OPC_SPECIAL,
152 OPC_DDIVU = 0x1F | OPC_SPECIAL,
153 /* 2 registers arithmetic / logic */
154 OPC_ADD = 0x20 | OPC_SPECIAL,
155 OPC_ADDU = 0x21 | OPC_SPECIAL,
156 OPC_SUB = 0x22 | OPC_SPECIAL,
157 OPC_SUBU = 0x23 | OPC_SPECIAL,
158 OPC_AND = 0x24 | OPC_SPECIAL,
159 OPC_OR = 0x25 | OPC_SPECIAL,
160 OPC_XOR = 0x26 | OPC_SPECIAL,
161 OPC_NOR = 0x27 | OPC_SPECIAL,
162 OPC_SLT = 0x2A | OPC_SPECIAL,
163 OPC_SLTU = 0x2B | OPC_SPECIAL,
164 OPC_DADD = 0x2C | OPC_SPECIAL,
165 OPC_DADDU = 0x2D | OPC_SPECIAL,
166 OPC_DSUB = 0x2E | OPC_SPECIAL,
167 OPC_DSUBU = 0x2F | OPC_SPECIAL,
169 OPC_JR = 0x08 | OPC_SPECIAL, /* Also JR.HB */
170 OPC_JALR = 0x09 | OPC_SPECIAL, /* Also JALR.HB */
172 OPC_TGE = 0x30 | OPC_SPECIAL,
173 OPC_TGEU = 0x31 | OPC_SPECIAL,
174 OPC_TLT = 0x32 | OPC_SPECIAL,
175 OPC_TLTU = 0x33 | OPC_SPECIAL,
176 OPC_TEQ = 0x34 | OPC_SPECIAL,
177 OPC_TNE = 0x36 | OPC_SPECIAL,
178 /* HI / LO registers load & stores */
179 OPC_MFHI = 0x10 | OPC_SPECIAL,
180 OPC_MTHI = 0x11 | OPC_SPECIAL,
181 OPC_MFLO = 0x12 | OPC_SPECIAL,
182 OPC_MTLO = 0x13 | OPC_SPECIAL,
183 /* Conditional moves */
184 OPC_MOVZ = 0x0A | OPC_SPECIAL,
185 OPC_MOVN = 0x0B | OPC_SPECIAL,
187 OPC_MOVCI = 0x01 | OPC_SPECIAL,
190 OPC_PMON = 0x05 | OPC_SPECIAL, /* inofficial */
191 OPC_SYSCALL = 0x0C | OPC_SPECIAL,
192 OPC_BREAK = 0x0D | OPC_SPECIAL,
193 OPC_SPIM = 0x0E | OPC_SPECIAL, /* inofficial */
194 OPC_SYNC = 0x0F | OPC_SPECIAL,
196 OPC_SPECIAL15_RESERVED = 0x15 | OPC_SPECIAL,
197 OPC_SPECIAL28_RESERVED = 0x28 | OPC_SPECIAL,
198 OPC_SPECIAL29_RESERVED = 0x29 | OPC_SPECIAL,
199 OPC_SPECIAL35_RESERVED = 0x35 | OPC_SPECIAL,
200 OPC_SPECIAL37_RESERVED = 0x37 | OPC_SPECIAL,
201 OPC_SPECIAL39_RESERVED = 0x39 | OPC_SPECIAL,
202 OPC_SPECIAL3D_RESERVED = 0x3D | OPC_SPECIAL,
205 /* Multiplication variants of the vr54xx. */
206 #define MASK_MUL_VR54XX(op) MASK_SPECIAL(op) | (op & (0x1F << 6))
209 OPC_VR54XX_MULS = (0x03 << 6) | OPC_MULT,
210 OPC_VR54XX_MULSU = (0x03 << 6) | OPC_MULTU,
211 OPC_VR54XX_MACC = (0x05 << 6) | OPC_MULT,
212 OPC_VR54XX_MACCU = (0x05 << 6) | OPC_MULTU,
213 OPC_VR54XX_MSAC = (0x07 << 6) | OPC_MULT,
214 OPC_VR54XX_MSACU = (0x07 << 6) | OPC_MULTU,
215 OPC_VR54XX_MULHI = (0x09 << 6) | OPC_MULT,
216 OPC_VR54XX_MULHIU = (0x09 << 6) | OPC_MULTU,
217 OPC_VR54XX_MULSHI = (0x0B << 6) | OPC_MULT,
218 OPC_VR54XX_MULSHIU = (0x0B << 6) | OPC_MULTU,
219 OPC_VR54XX_MACCHI = (0x0D << 6) | OPC_MULT,
220 OPC_VR54XX_MACCHIU = (0x0D << 6) | OPC_MULTU,
221 OPC_VR54XX_MSACHI = (0x0F << 6) | OPC_MULT,
222 OPC_VR54XX_MSACHIU = (0x0F << 6) | OPC_MULTU,
225 /* REGIMM (rt field) opcodes */
226 #define MASK_REGIMM(op) MASK_OP_MAJOR(op) | (op & (0x1F << 16))
229 OPC_BLTZ = (0x00 << 16) | OPC_REGIMM,
230 OPC_BLTZL = (0x02 << 16) | OPC_REGIMM,
231 OPC_BGEZ = (0x01 << 16) | OPC_REGIMM,
232 OPC_BGEZL = (0x03 << 16) | OPC_REGIMM,
233 OPC_BLTZAL = (0x10 << 16) | OPC_REGIMM,
234 OPC_BLTZALL = (0x12 << 16) | OPC_REGIMM,
235 OPC_BGEZAL = (0x11 << 16) | OPC_REGIMM,
236 OPC_BGEZALL = (0x13 << 16) | OPC_REGIMM,
237 OPC_TGEI = (0x08 << 16) | OPC_REGIMM,
238 OPC_TGEIU = (0x09 << 16) | OPC_REGIMM,
239 OPC_TLTI = (0x0A << 16) | OPC_REGIMM,
240 OPC_TLTIU = (0x0B << 16) | OPC_REGIMM,
241 OPC_TEQI = (0x0C << 16) | OPC_REGIMM,
242 OPC_TNEI = (0x0E << 16) | OPC_REGIMM,
243 OPC_SYNCI = (0x1F << 16) | OPC_REGIMM,
246 /* Special2 opcodes */
247 #define MASK_SPECIAL2(op) MASK_OP_MAJOR(op) | (op & 0x3F)
250 /* Multiply & xxx operations */
251 OPC_MADD = 0x00 | OPC_SPECIAL2,
252 OPC_MADDU = 0x01 | OPC_SPECIAL2,
253 OPC_MUL = 0x02 | OPC_SPECIAL2,
254 OPC_MSUB = 0x04 | OPC_SPECIAL2,
255 OPC_MSUBU = 0x05 | OPC_SPECIAL2,
257 OPC_CLZ = 0x20 | OPC_SPECIAL2,
258 OPC_CLO = 0x21 | OPC_SPECIAL2,
259 OPC_DCLZ = 0x24 | OPC_SPECIAL2,
260 OPC_DCLO = 0x25 | OPC_SPECIAL2,
262 OPC_SDBBP = 0x3F | OPC_SPECIAL2,
265 /* Special3 opcodes */
266 #define MASK_SPECIAL3(op) MASK_OP_MAJOR(op) | (op & 0x3F)
269 OPC_EXT = 0x00 | OPC_SPECIAL3,
270 OPC_DEXTM = 0x01 | OPC_SPECIAL3,
271 OPC_DEXTU = 0x02 | OPC_SPECIAL3,
272 OPC_DEXT = 0x03 | OPC_SPECIAL3,
273 OPC_INS = 0x04 | OPC_SPECIAL3,
274 OPC_DINSM = 0x05 | OPC_SPECIAL3,
275 OPC_DINSU = 0x06 | OPC_SPECIAL3,
276 OPC_DINS = 0x07 | OPC_SPECIAL3,
277 OPC_FORK = 0x08 | OPC_SPECIAL3,
278 OPC_YIELD = 0x09 | OPC_SPECIAL3,
279 OPC_BSHFL = 0x20 | OPC_SPECIAL3,
280 OPC_DBSHFL = 0x24 | OPC_SPECIAL3,
281 OPC_RDHWR = 0x3B | OPC_SPECIAL3,
285 #define MASK_BSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6))
288 OPC_WSBH = (0x02 << 6) | OPC_BSHFL,
289 OPC_SEB = (0x10 << 6) | OPC_BSHFL,
290 OPC_SEH = (0x18 << 6) | OPC_BSHFL,
294 #define MASK_DBSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6))
297 OPC_DSBH = (0x02 << 6) | OPC_DBSHFL,
298 OPC_DSHD = (0x05 << 6) | OPC_DBSHFL,
301 /* Coprocessor 0 (rs field) */
302 #define MASK_CP0(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21))
305 OPC_MFC0 = (0x00 << 21) | OPC_CP0,
306 OPC_DMFC0 = (0x01 << 21) | OPC_CP0,
307 OPC_MTC0 = (0x04 << 21) | OPC_CP0,
308 OPC_DMTC0 = (0x05 << 21) | OPC_CP0,
309 OPC_MFTR = (0x08 << 21) | OPC_CP0,
310 OPC_RDPGPR = (0x0A << 21) | OPC_CP0,
311 OPC_MFMC0 = (0x0B << 21) | OPC_CP0,
312 OPC_MTTR = (0x0C << 21) | OPC_CP0,
313 OPC_WRPGPR = (0x0E << 21) | OPC_CP0,
314 OPC_C0 = (0x10 << 21) | OPC_CP0,
315 OPC_C0_FIRST = (0x10 << 21) | OPC_CP0,
316 OPC_C0_LAST = (0x1F << 21) | OPC_CP0,
320 #define MASK_MFMC0(op) MASK_CP0(op) | (op & 0xFFFF)
323 OPC_DMT = 0x01 | (0 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0,
324 OPC_EMT = 0x01 | (1 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0,
325 OPC_DVPE = 0x01 | (0 << 5) | OPC_MFMC0,
326 OPC_EVPE = 0x01 | (1 << 5) | OPC_MFMC0,
327 OPC_DI = (0 << 5) | (0x0C << 11) | OPC_MFMC0,
328 OPC_EI = (1 << 5) | (0x0C << 11) | OPC_MFMC0,
331 /* Coprocessor 0 (with rs == C0) */
332 #define MASK_C0(op) MASK_CP0(op) | (op & 0x3F)
335 OPC_TLBR = 0x01 | OPC_C0,
336 OPC_TLBWI = 0x02 | OPC_C0,
337 OPC_TLBWR = 0x06 | OPC_C0,
338 OPC_TLBP = 0x08 | OPC_C0,
339 OPC_RFE = 0x10 | OPC_C0,
340 OPC_ERET = 0x18 | OPC_C0,
341 OPC_DERET = 0x1F | OPC_C0,
342 OPC_WAIT = 0x20 | OPC_C0,
345 /* Coprocessor 1 (rs field) */
346 #define MASK_CP1(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21))
349 OPC_MFC1 = (0x00 << 21) | OPC_CP1,
350 OPC_DMFC1 = (0x01 << 21) | OPC_CP1,
351 OPC_CFC1 = (0x02 << 21) | OPC_CP1,
352 OPC_MFHC1 = (0x03 << 21) | OPC_CP1,
353 OPC_MTC1 = (0x04 << 21) | OPC_CP1,
354 OPC_DMTC1 = (0x05 << 21) | OPC_CP1,
355 OPC_CTC1 = (0x06 << 21) | OPC_CP1,
356 OPC_MTHC1 = (0x07 << 21) | OPC_CP1,
357 OPC_BC1 = (0x08 << 21) | OPC_CP1, /* bc */
358 OPC_BC1ANY2 = (0x09 << 21) | OPC_CP1,
359 OPC_BC1ANY4 = (0x0A << 21) | OPC_CP1,
360 OPC_S_FMT = (0x10 << 21) | OPC_CP1, /* 16: fmt=single fp */
361 OPC_D_FMT = (0x11 << 21) | OPC_CP1, /* 17: fmt=double fp */
362 OPC_E_FMT = (0x12 << 21) | OPC_CP1, /* 18: fmt=extended fp */
363 OPC_Q_FMT = (0x13 << 21) | OPC_CP1, /* 19: fmt=quad fp */
364 OPC_W_FMT = (0x14 << 21) | OPC_CP1, /* 20: fmt=32bit fixed */
365 OPC_L_FMT = (0x15 << 21) | OPC_CP1, /* 21: fmt=64bit fixed */
366 OPC_PS_FMT = (0x16 << 21) | OPC_CP1, /* 22: fmt=paired single fp */
369 #define MASK_CP1_FUNC(op) MASK_CP1(op) | (op & 0x3F)
370 #define MASK_BC1(op) MASK_CP1(op) | (op & (0x3 << 16))
373 OPC_BC1F = (0x00 << 16) | OPC_BC1,
374 OPC_BC1T = (0x01 << 16) | OPC_BC1,
375 OPC_BC1FL = (0x02 << 16) | OPC_BC1,
376 OPC_BC1TL = (0x03 << 16) | OPC_BC1,
380 OPC_BC1FANY2 = (0x00 << 16) | OPC_BC1ANY2,
381 OPC_BC1TANY2 = (0x01 << 16) | OPC_BC1ANY2,
385 OPC_BC1FANY4 = (0x00 << 16) | OPC_BC1ANY4,
386 OPC_BC1TANY4 = (0x01 << 16) | OPC_BC1ANY4,
389 #define MASK_CP2(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21))
392 OPC_MFC2 = (0x00 << 21) | OPC_CP2,
393 OPC_DMFC2 = (0x01 << 21) | OPC_CP2,
394 OPC_CFC2 = (0x02 << 21) | OPC_CP2,
395 OPC_MFHC2 = (0x03 << 21) | OPC_CP2,
396 OPC_MTC2 = (0x04 << 21) | OPC_CP2,
397 OPC_DMTC2 = (0x05 << 21) | OPC_CP2,
398 OPC_CTC2 = (0x06 << 21) | OPC_CP2,
399 OPC_MTHC2 = (0x07 << 21) | OPC_CP2,
400 OPC_BC2 = (0x08 << 21) | OPC_CP2,
403 #define MASK_CP3(op) MASK_OP_MAJOR(op) | (op & 0x3F)
406 OPC_LWXC1 = 0x00 | OPC_CP3,
407 OPC_LDXC1 = 0x01 | OPC_CP3,
408 OPC_LUXC1 = 0x05 | OPC_CP3,
409 OPC_SWXC1 = 0x08 | OPC_CP3,
410 OPC_SDXC1 = 0x09 | OPC_CP3,
411 OPC_SUXC1 = 0x0D | OPC_CP3,
412 OPC_PREFX = 0x0F | OPC_CP3,
413 OPC_ALNV_PS = 0x1E | OPC_CP3,
414 OPC_MADD_S = 0x20 | OPC_CP3,
415 OPC_MADD_D = 0x21 | OPC_CP3,
416 OPC_MADD_PS = 0x26 | OPC_CP3,
417 OPC_MSUB_S = 0x28 | OPC_CP3,
418 OPC_MSUB_D = 0x29 | OPC_CP3,
419 OPC_MSUB_PS = 0x2E | OPC_CP3,
420 OPC_NMADD_S = 0x30 | OPC_CP3,
421 OPC_NMADD_D = 0x31 | OPC_CP3,
422 OPC_NMADD_PS= 0x36 | OPC_CP3,
423 OPC_NMSUB_S = 0x38 | OPC_CP3,
424 OPC_NMSUB_D = 0x39 | OPC_CP3,
425 OPC_NMSUB_PS= 0x3E | OPC_CP3,
428 /* global register indices */
429 static TCGv_ptr cpu_env;
430 static TCGv cpu_gpr[32], cpu_PC;
431 static TCGv cpu_HI[MIPS_DSP_ACC], cpu_LO[MIPS_DSP_ACC], cpu_ACX[MIPS_DSP_ACC];
432 static TCGv cpu_dspctrl, btarget, bcond;
433 static TCGv_i32 hflags;
434 static TCGv_i32 fpu_fcr0, fpu_fcr31;
436 #include "gen-icount.h"
438 #define gen_helper_0i(name, arg) do { \
439 TCGv_i32 helper_tmp = tcg_const_i32(arg); \
440 gen_helper_##name(helper_tmp); \
441 tcg_temp_free_i32(helper_tmp); \
444 #define gen_helper_1i(name, arg1, arg2) do { \
445 TCGv_i32 helper_tmp = tcg_const_i32(arg2); \
446 gen_helper_##name(arg1, helper_tmp); \
447 tcg_temp_free_i32(helper_tmp); \
450 #define gen_helper_2i(name, arg1, arg2, arg3) do { \
451 TCGv_i32 helper_tmp = tcg_const_i32(arg3); \
452 gen_helper_##name(arg1, arg2, helper_tmp); \
453 tcg_temp_free_i32(helper_tmp); \
456 #define gen_helper_3i(name, arg1, arg2, arg3, arg4) do { \
457 TCGv_i32 helper_tmp = tcg_const_i32(arg4); \
458 gen_helper_##name(arg1, arg2, arg3, helper_tmp); \
459 tcg_temp_free_i32(helper_tmp); \
462 typedef struct DisasContext {
463 struct TranslationBlock *tb;
464 target_ulong pc, saved_pc;
466 int singlestep_enabled;
467 /* Routine used to access memory */
469 uint32_t hflags, saved_hflags;
471 target_ulong btarget;
475 BS_NONE = 0, /* We go out of the TB without reaching a branch or an
476 * exception condition */
477 BS_STOP = 1, /* We want to stop translation for any reason */
478 BS_BRANCH = 2, /* We reached a branch condition */
479 BS_EXCP = 3, /* We reached an exception condition */
482 static const char *regnames[] =
483 { "r0", "at", "v0", "v1", "a0", "a1", "a2", "a3",
484 "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7",
485 "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
486 "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra", };
488 static const char *regnames_HI[] =
489 { "HI0", "HI1", "HI2", "HI3", };
491 static const char *regnames_LO[] =
492 { "LO0", "LO1", "LO2", "LO3", };
494 static const char *regnames_ACX[] =
495 { "ACX0", "ACX1", "ACX2", "ACX3", };
497 static const char *fregnames[] =
498 { "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
499 "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
500 "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
501 "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", };
503 #ifdef MIPS_DEBUG_DISAS
504 #define MIPS_DEBUG(fmt, ...) \
505 qemu_log_mask(CPU_LOG_TB_IN_ASM, \
506 TARGET_FMT_lx ": %08x " fmt "\n", \
507 ctx->pc, ctx->opcode , ## __VA_ARGS__)
508 #define LOG_DISAS(...) qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __VA_ARGS__)
510 #define MIPS_DEBUG(fmt, ...) do { } while(0)
511 #define LOG_DISAS(...) do { } while (0)
514 #define MIPS_INVAL(op) \
516 MIPS_DEBUG("Invalid %s %03x %03x %03x", op, ctx->opcode >> 26, \
517 ctx->opcode & 0x3F, ((ctx->opcode >> 16) & 0x1F)); \
520 /* General purpose registers moves. */
521 static inline void gen_load_gpr (TCGv t, int reg)
524 tcg_gen_movi_tl(t, 0);
526 tcg_gen_mov_tl(t, cpu_gpr[reg]);
529 static inline void gen_store_gpr (TCGv t, int reg)
532 tcg_gen_mov_tl(cpu_gpr[reg], t);
535 /* Moves to/from ACX register. */
536 static inline void gen_load_ACX (TCGv t, int reg)
538 tcg_gen_mov_tl(t, cpu_ACX[reg]);
541 static inline void gen_store_ACX (TCGv t, int reg)
543 tcg_gen_mov_tl(cpu_ACX[reg], t);
546 /* Moves to/from shadow registers. */
547 static inline void gen_load_srsgpr (int from, int to)
549 TCGv t0 = tcg_temp_new();
552 tcg_gen_movi_tl(t0, 0);
554 TCGv_i32 t2 = tcg_temp_new_i32();
555 TCGv_ptr addr = tcg_temp_new_ptr();
557 tcg_gen_ld_i32(t2, cpu_env, offsetof(CPUState, CP0_SRSCtl));
558 tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS);
559 tcg_gen_andi_i32(t2, t2, 0xf);
560 tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32);
561 tcg_gen_ext_i32_ptr(addr, t2);
562 tcg_gen_add_ptr(addr, cpu_env, addr);
564 tcg_gen_ld_tl(t0, addr, sizeof(target_ulong) * from);
565 tcg_temp_free_ptr(addr);
566 tcg_temp_free_i32(t2);
568 gen_store_gpr(t0, to);
572 static inline void gen_store_srsgpr (int from, int to)
575 TCGv t0 = tcg_temp_new();
576 TCGv_i32 t2 = tcg_temp_new_i32();
577 TCGv_ptr addr = tcg_temp_new_ptr();
579 gen_load_gpr(t0, from);
580 tcg_gen_ld_i32(t2, cpu_env, offsetof(CPUState, CP0_SRSCtl));
581 tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS);
582 tcg_gen_andi_i32(t2, t2, 0xf);
583 tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32);
584 tcg_gen_ext_i32_ptr(addr, t2);
585 tcg_gen_add_ptr(addr, cpu_env, addr);
587 tcg_gen_st_tl(t0, addr, sizeof(target_ulong) * to);
588 tcg_temp_free_ptr(addr);
589 tcg_temp_free_i32(t2);
594 /* Floating point register moves. */
595 static inline void gen_load_fpr32 (TCGv_i32 t, int reg)
597 tcg_gen_ld_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[FP_ENDIAN_IDX]));
600 static inline void gen_store_fpr32 (TCGv_i32 t, int reg)
602 tcg_gen_st_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[FP_ENDIAN_IDX]));
605 static inline void gen_load_fpr32h (TCGv_i32 t, int reg)
607 tcg_gen_ld_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[!FP_ENDIAN_IDX]));
610 static inline void gen_store_fpr32h (TCGv_i32 t, int reg)
612 tcg_gen_st_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[!FP_ENDIAN_IDX]));
615 static inline void gen_load_fpr64 (DisasContext *ctx, TCGv_i64 t, int reg)
617 if (ctx->hflags & MIPS_HFLAG_F64) {
618 tcg_gen_ld_i64(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].d));
620 TCGv_i32 t0 = tcg_temp_new_i32();
621 TCGv_i32 t1 = tcg_temp_new_i32();
622 gen_load_fpr32(t0, reg & ~1);
623 gen_load_fpr32(t1, reg | 1);
624 tcg_gen_concat_i32_i64(t, t0, t1);
625 tcg_temp_free_i32(t0);
626 tcg_temp_free_i32(t1);
630 static inline void gen_store_fpr64 (DisasContext *ctx, TCGv_i64 t, int reg)
632 if (ctx->hflags & MIPS_HFLAG_F64) {
633 tcg_gen_st_i64(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].d));
635 TCGv_i64 t0 = tcg_temp_new_i64();
636 TCGv_i32 t1 = tcg_temp_new_i32();
637 tcg_gen_trunc_i64_i32(t1, t);
638 gen_store_fpr32(t1, reg & ~1);
639 tcg_gen_shri_i64(t0, t, 32);
640 tcg_gen_trunc_i64_i32(t1, t0);
641 gen_store_fpr32(t1, reg | 1);
642 tcg_temp_free_i32(t1);
643 tcg_temp_free_i64(t0);
647 static inline int get_fp_bit (int cc)
655 #define FOP_CONDS(type, fmt, bits) \
656 static inline void gen_cmp ## type ## _ ## fmt(int n, TCGv_i##bits a, \
657 TCGv_i##bits b, int cc) \
660 case 0: gen_helper_2i(cmp ## type ## _ ## fmt ## _f, a, b, cc); break;\
661 case 1: gen_helper_2i(cmp ## type ## _ ## fmt ## _un, a, b, cc); break;\
662 case 2: gen_helper_2i(cmp ## type ## _ ## fmt ## _eq, a, b, cc); break;\
663 case 3: gen_helper_2i(cmp ## type ## _ ## fmt ## _ueq, a, b, cc); break;\
664 case 4: gen_helper_2i(cmp ## type ## _ ## fmt ## _olt, a, b, cc); break;\
665 case 5: gen_helper_2i(cmp ## type ## _ ## fmt ## _ult, a, b, cc); break;\
666 case 6: gen_helper_2i(cmp ## type ## _ ## fmt ## _ole, a, b, cc); break;\
667 case 7: gen_helper_2i(cmp ## type ## _ ## fmt ## _ule, a, b, cc); break;\
668 case 8: gen_helper_2i(cmp ## type ## _ ## fmt ## _sf, a, b, cc); break;\
669 case 9: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngle, a, b, cc); break;\
670 case 10: gen_helper_2i(cmp ## type ## _ ## fmt ## _seq, a, b, cc); break;\
671 case 11: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngl, a, b, cc); break;\
672 case 12: gen_helper_2i(cmp ## type ## _ ## fmt ## _lt, a, b, cc); break;\
673 case 13: gen_helper_2i(cmp ## type ## _ ## fmt ## _nge, a, b, cc); break;\
674 case 14: gen_helper_2i(cmp ## type ## _ ## fmt ## _le, a, b, cc); break;\
675 case 15: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngt, a, b, cc); break;\
681 FOP_CONDS(abs, d, 64)
683 FOP_CONDS(abs, s, 32)
685 FOP_CONDS(abs, ps, 64)
689 #define OP_COND(name, cond) \
690 static inline void glue(gen_op_, name) (TCGv ret, TCGv t0, TCGv t1) \
692 int l1 = gen_new_label(); \
693 int l2 = gen_new_label(); \
695 tcg_gen_brcond_tl(cond, t0, t1, l1); \
696 tcg_gen_movi_tl(ret, 0); \
699 tcg_gen_movi_tl(ret, 1); \
702 OP_COND(eq, TCG_COND_EQ);
703 OP_COND(ne, TCG_COND_NE);
704 OP_COND(ge, TCG_COND_GE);
705 OP_COND(geu, TCG_COND_GEU);
706 OP_COND(lt, TCG_COND_LT);
707 OP_COND(ltu, TCG_COND_LTU);
710 #define OP_CONDI(name, cond) \
711 static inline void glue(gen_op_, name) (TCGv ret, TCGv t0, target_ulong val) \
713 int l1 = gen_new_label(); \
714 int l2 = gen_new_label(); \
716 tcg_gen_brcondi_tl(cond, t0, val, l1); \
717 tcg_gen_movi_tl(ret, 0); \
720 tcg_gen_movi_tl(ret, 1); \
723 OP_CONDI(lti, TCG_COND_LT);
724 OP_CONDI(ltiu, TCG_COND_LTU);
727 #define OP_CONDZ(name, cond) \
728 static inline void glue(gen_op_, name) (TCGv ret, TCGv t0) \
730 int l1 = gen_new_label(); \
731 int l2 = gen_new_label(); \
733 tcg_gen_brcondi_tl(cond, t0, 0, l1); \
734 tcg_gen_movi_tl(ret, 0); \
737 tcg_gen_movi_tl(ret, 1); \
740 OP_CONDZ(gez, TCG_COND_GE);
741 OP_CONDZ(gtz, TCG_COND_GT);
742 OP_CONDZ(lez, TCG_COND_LE);
743 OP_CONDZ(ltz, TCG_COND_LT);
746 static inline void gen_save_pc(target_ulong pc)
748 tcg_gen_movi_tl(cpu_PC, pc);
751 static inline void save_cpu_state (DisasContext *ctx, int do_save_pc)
753 LOG_DISAS("hflags %08x saved %08x\n", ctx->hflags, ctx->saved_hflags);
754 if (do_save_pc && ctx->pc != ctx->saved_pc) {
755 gen_save_pc(ctx->pc);
756 ctx->saved_pc = ctx->pc;
758 if (ctx->hflags != ctx->saved_hflags) {
759 tcg_gen_movi_i32(hflags, ctx->hflags);
760 ctx->saved_hflags = ctx->hflags;
761 switch (ctx->hflags & MIPS_HFLAG_BMASK) {
767 tcg_gen_movi_tl(btarget, ctx->btarget);
773 static inline void restore_cpu_state (CPUState *env, DisasContext *ctx)
775 ctx->saved_hflags = ctx->hflags;
776 switch (ctx->hflags & MIPS_HFLAG_BMASK) {
782 ctx->btarget = env->btarget;
788 generate_exception_err (DisasContext *ctx, int excp, int err)
790 TCGv_i32 texcp = tcg_const_i32(excp);
791 TCGv_i32 terr = tcg_const_i32(err);
792 save_cpu_state(ctx, 1);
793 gen_helper_raise_exception_err(texcp, terr);
794 tcg_temp_free_i32(terr);
795 tcg_temp_free_i32(texcp);
799 generate_exception (DisasContext *ctx, int excp)
801 save_cpu_state(ctx, 1);
802 gen_helper_0i(raise_exception, excp);
805 /* Addresses computation */
806 static inline void gen_op_addr_add (DisasContext *ctx, TCGv t0, TCGv t1)
808 tcg_gen_add_tl(t0, t0, t1);
810 #if defined(TARGET_MIPS64)
811 /* For compatibility with 32-bit code, data reference in user mode
812 with Status_UX = 0 should be casted to 32-bit and sign extended.
813 See the MIPS64 PRA manual, section 4.10. */
814 if (((ctx->hflags & MIPS_HFLAG_KSU) == MIPS_HFLAG_UM) &&
815 !(ctx->hflags & MIPS_HFLAG_UX)) {
816 tcg_gen_ext32s_i64(t0, t0);
821 static inline void check_cp0_enabled(DisasContext *ctx)
823 if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0)))
824 generate_exception_err(ctx, EXCP_CpU, 1);
827 static inline void check_cp1_enabled(DisasContext *ctx)
829 if (unlikely(!(ctx->hflags & MIPS_HFLAG_FPU)))
830 generate_exception_err(ctx, EXCP_CpU, 1);
833 /* Verify that the processor is running with COP1X instructions enabled.
834 This is associated with the nabla symbol in the MIPS32 and MIPS64
837 static inline void check_cop1x(DisasContext *ctx)
839 if (unlikely(!(ctx->hflags & MIPS_HFLAG_COP1X)))
840 generate_exception(ctx, EXCP_RI);
843 /* Verify that the processor is running with 64-bit floating-point
844 operations enabled. */
846 static inline void check_cp1_64bitmode(DisasContext *ctx)
848 if (unlikely(~ctx->hflags & (MIPS_HFLAG_F64 | MIPS_HFLAG_COP1X)))
849 generate_exception(ctx, EXCP_RI);
853 * Verify if floating point register is valid; an operation is not defined
854 * if bit 0 of any register specification is set and the FR bit in the
855 * Status register equals zero, since the register numbers specify an
856 * even-odd pair of adjacent coprocessor general registers. When the FR bit
857 * in the Status register equals one, both even and odd register numbers
858 * are valid. This limitation exists only for 64 bit wide (d,l,ps) registers.
860 * Multiple 64 bit wide registers can be checked by calling
861 * gen_op_cp1_registers(freg1 | freg2 | ... | fregN);
863 static inline void check_cp1_registers(DisasContext *ctx, int regs)
865 if (unlikely(!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1)))
866 generate_exception(ctx, EXCP_RI);
869 /* This code generates a "reserved instruction" exception if the
870 CPU does not support the instruction set corresponding to flags. */
871 static inline void check_insn(CPUState *env, DisasContext *ctx, int flags)
873 if (unlikely(!(env->insn_flags & flags)))
874 generate_exception(ctx, EXCP_RI);
877 /* This code generates a "reserved instruction" exception if 64-bit
878 instructions are not enabled. */
879 static inline void check_mips_64(DisasContext *ctx)
881 if (unlikely(!(ctx->hflags & MIPS_HFLAG_64)))
882 generate_exception(ctx, EXCP_RI);
885 /* load/store instructions. */
886 #define OP_LD(insn,fname) \
887 static inline void op_ldst_##insn(TCGv ret, TCGv arg1, DisasContext *ctx) \
889 tcg_gen_qemu_##fname(ret, arg1, ctx->mem_idx); \
896 #if defined(TARGET_MIPS64)
902 #define OP_ST(insn,fname) \
903 static inline void op_ldst_##insn(TCGv arg1, TCGv arg2, DisasContext *ctx) \
905 tcg_gen_qemu_##fname(arg1, arg2, ctx->mem_idx); \
910 #if defined(TARGET_MIPS64)
915 #define OP_LD_ATOMIC(insn,fname) \
916 static inline void op_ldst_##insn(TCGv ret, TCGv arg1, DisasContext *ctx) \
918 TCGv t0 = tcg_temp_new(); \
919 tcg_gen_mov_tl(t0, arg1); \
920 tcg_gen_qemu_##fname(ret, arg1, ctx->mem_idx); \
921 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUState, CP0_LLAddr)); \
922 tcg_gen_st_tl(ret, cpu_env, offsetof(CPUState, llval)); \
925 OP_LD_ATOMIC(ll,ld32s);
926 #if defined(TARGET_MIPS64)
927 OP_LD_ATOMIC(lld,ld64);
931 #ifdef CONFIG_USER_ONLY
932 #define OP_ST_ATOMIC(insn,fname,ldname,almask) \
933 static inline void op_ldst_##insn(TCGv arg1, TCGv arg2, int rt, DisasContext *ctx) \
935 TCGv t0 = tcg_temp_new(); \
936 int l1 = gen_new_label(); \
937 int l2 = gen_new_label(); \
939 tcg_gen_andi_tl(t0, arg2, almask); \
940 tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); \
941 tcg_gen_st_tl(arg2, cpu_env, offsetof(CPUState, CP0_BadVAddr)); \
942 generate_exception(ctx, EXCP_AdES); \
944 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, CP0_LLAddr)); \
945 tcg_gen_brcond_tl(TCG_COND_NE, arg2, t0, l2); \
946 tcg_gen_movi_tl(t0, rt | ((almask << 3) & 0x20)); \
947 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUState, llreg)); \
948 tcg_gen_st_tl(arg1, cpu_env, offsetof(CPUState, llnewval)); \
949 gen_helper_0i(raise_exception, EXCP_SC); \
951 tcg_gen_movi_tl(t0, 0); \
952 gen_store_gpr(t0, rt); \
956 #define OP_ST_ATOMIC(insn,fname,ldname,almask) \
957 static inline void op_ldst_##insn(TCGv arg1, TCGv arg2, int rt, DisasContext *ctx) \
959 TCGv t0 = tcg_temp_new(); \
960 TCGv t1 = tcg_temp_new(); \
961 int l1 = gen_new_label(); \
962 int l2 = gen_new_label(); \
963 int l3 = gen_new_label(); \
965 tcg_gen_andi_tl(t0, arg2, almask); \
966 tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); \
967 tcg_gen_st_tl(arg2, cpu_env, offsetof(CPUState, CP0_BadVAddr)); \
968 generate_exception(ctx, EXCP_AdES); \
970 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, CP0_LLAddr)); \
971 tcg_gen_brcond_tl(TCG_COND_NE, arg2, t0, l2); \
972 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, llval)); \
973 tcg_gen_qemu_##ldname(t1, arg2, ctx->mem_idx); \
974 tcg_gen_brcond_tl(TCG_COND_NE, t0, t1, l2); \
976 tcg_gen_qemu_##fname(arg1, arg2, ctx->mem_idx); \
977 tcg_gen_movi_tl(t0, 1); \
978 gen_store_gpr(t0, rt); \
981 tcg_gen_movi_tl(t0, 0); \
982 gen_store_gpr(t0, rt); \
988 OP_ST_ATOMIC(sc,st32,ld32s,0x3);
989 #if defined(TARGET_MIPS64)
990 OP_ST_ATOMIC(scd,st64,ld64,0x7);
995 static void gen_ldst (DisasContext *ctx, uint32_t opc, int rt,
996 int base, int16_t offset)
998 const char *opn = "ldst";
999 TCGv t0 = tcg_temp_new();
1000 TCGv t1 = tcg_temp_new();
1003 tcg_gen_movi_tl(t0, offset);
1004 } else if (offset == 0) {
1005 gen_load_gpr(t0, base);
1007 tcg_gen_movi_tl(t0, offset);
1008 gen_op_addr_add(ctx, t0, cpu_gpr[base]);
1010 /* Don't do NOP if destination is zero: we must perform the actual
1013 #if defined(TARGET_MIPS64)
1015 save_cpu_state(ctx, 0);
1016 op_ldst_lwu(t0, t0, ctx);
1017 gen_store_gpr(t0, rt);
1021 save_cpu_state(ctx, 0);
1022 op_ldst_ld(t0, t0, ctx);
1023 gen_store_gpr(t0, rt);
1027 save_cpu_state(ctx, 0);
1028 op_ldst_lld(t0, t0, ctx);
1029 gen_store_gpr(t0, rt);
1033 save_cpu_state(ctx, 0);
1034 gen_load_gpr(t1, rt);
1035 op_ldst_sd(t1, t0, ctx);
1039 save_cpu_state(ctx, 1);
1040 gen_load_gpr(t1, rt);
1041 gen_helper_3i(ldl, t1, t1, t0, ctx->mem_idx);
1042 gen_store_gpr(t1, rt);
1046 save_cpu_state(ctx, 1);
1047 gen_load_gpr(t1, rt);
1048 gen_helper_2i(sdl, t1, t0, ctx->mem_idx);
1052 save_cpu_state(ctx, 1);
1053 gen_load_gpr(t1, rt);
1054 gen_helper_3i(ldr, t1, t1, t0, ctx->mem_idx);
1055 gen_store_gpr(t1, rt);
1059 save_cpu_state(ctx, 1);
1060 gen_load_gpr(t1, rt);
1061 gen_helper_2i(sdr, t1, t0, ctx->mem_idx);
1066 save_cpu_state(ctx, 0);
1067 op_ldst_lw(t0, t0, ctx);
1068 gen_store_gpr(t0, rt);
1072 save_cpu_state(ctx, 0);
1073 gen_load_gpr(t1, rt);
1074 op_ldst_sw(t1, t0, ctx);
1078 save_cpu_state(ctx, 0);
1079 op_ldst_lh(t0, t0, ctx);
1080 gen_store_gpr(t0, rt);
1084 save_cpu_state(ctx, 0);
1085 gen_load_gpr(t1, rt);
1086 op_ldst_sh(t1, t0, ctx);
1090 save_cpu_state(ctx, 0);
1091 op_ldst_lhu(t0, t0, ctx);
1092 gen_store_gpr(t0, rt);
1096 save_cpu_state(ctx, 0);
1097 op_ldst_lb(t0, t0, ctx);
1098 gen_store_gpr(t0, rt);
1102 save_cpu_state(ctx, 0);
1103 gen_load_gpr(t1, rt);
1104 op_ldst_sb(t1, t0, ctx);
1108 save_cpu_state(ctx, 0);
1109 op_ldst_lbu(t0, t0, ctx);
1110 gen_store_gpr(t0, rt);
1114 save_cpu_state(ctx, 1);
1115 gen_load_gpr(t1, rt);
1116 gen_helper_3i(lwl, t1, t1, t0, ctx->mem_idx);
1117 gen_store_gpr(t1, rt);
1121 save_cpu_state(ctx, 1);
1122 gen_load_gpr(t1, rt);
1123 gen_helper_2i(swl, t1, t0, ctx->mem_idx);
1127 save_cpu_state(ctx, 1);
1128 gen_load_gpr(t1, rt);
1129 gen_helper_3i(lwr, t1, t1, t0, ctx->mem_idx);
1130 gen_store_gpr(t1, rt);
1134 save_cpu_state(ctx, 1);
1135 gen_load_gpr(t1, rt);
1136 gen_helper_2i(swr, t1, t0, ctx->mem_idx);
1140 save_cpu_state(ctx, 0);
1141 op_ldst_ll(t0, t0, ctx);
1142 gen_store_gpr(t0, rt);
1146 MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]);
1151 /* Store conditional */
1152 static void gen_st_cond (DisasContext *ctx, uint32_t opc, int rt,
1153 int base, int16_t offset)
1155 const char *opn = "st_cond";
1158 t0 = tcg_temp_local_new();
1161 tcg_gen_movi_tl(t0, offset);
1162 } else if (offset == 0) {
1163 gen_load_gpr(t0, base);
1165 tcg_gen_movi_tl(t0, offset);
1166 gen_op_addr_add(ctx, t0, cpu_gpr[base]);
1168 /* Don't do NOP if destination is zero: we must perform the actual
1171 t1 = tcg_temp_local_new();
1172 gen_load_gpr(t1, rt);
1174 #if defined(TARGET_MIPS64)
1176 save_cpu_state(ctx, 0);
1177 op_ldst_scd(t1, t0, rt, ctx);
1182 save_cpu_state(ctx, 0);
1183 op_ldst_sc(t1, t0, rt, ctx);
1187 MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]);
1192 /* Load and store */
1193 static void gen_flt_ldst (DisasContext *ctx, uint32_t opc, int ft,
1194 int base, int16_t offset)
1196 const char *opn = "flt_ldst";
1197 TCGv t0 = tcg_temp_new();
1200 tcg_gen_movi_tl(t0, offset);
1201 } else if (offset == 0) {
1202 gen_load_gpr(t0, base);
1204 tcg_gen_movi_tl(t0, offset);
1205 gen_op_addr_add(ctx, t0, cpu_gpr[base]);
1207 /* Don't do NOP if destination is zero: we must perform the actual
1212 TCGv_i32 fp0 = tcg_temp_new_i32();
1214 tcg_gen_qemu_ld32s(t0, t0, ctx->mem_idx);
1215 tcg_gen_trunc_tl_i32(fp0, t0);
1216 gen_store_fpr32(fp0, ft);
1217 tcg_temp_free_i32(fp0);
1223 TCGv_i32 fp0 = tcg_temp_new_i32();
1224 TCGv t1 = tcg_temp_new();
1226 gen_load_fpr32(fp0, ft);
1227 tcg_gen_extu_i32_tl(t1, fp0);
1228 tcg_gen_qemu_st32(t1, t0, ctx->mem_idx);
1230 tcg_temp_free_i32(fp0);
1236 TCGv_i64 fp0 = tcg_temp_new_i64();
1238 tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx);
1239 gen_store_fpr64(ctx, fp0, ft);
1240 tcg_temp_free_i64(fp0);
1246 TCGv_i64 fp0 = tcg_temp_new_i64();
1248 gen_load_fpr64(ctx, fp0, ft);
1249 tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx);
1250 tcg_temp_free_i64(fp0);
1256 generate_exception(ctx, EXCP_RI);
1259 MIPS_DEBUG("%s %s, %d(%s)", opn, fregnames[ft], offset, regnames[base]);
1264 /* Arithmetic with immediate operand */
1265 static void gen_arith_imm (CPUState *env, DisasContext *ctx, uint32_t opc,
1266 int rt, int rs, int16_t imm)
1268 target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */
1269 const char *opn = "imm arith";
1271 if (rt == 0 && opc != OPC_ADDI && opc != OPC_DADDI) {
1272 /* If no destination, treat it as a NOP.
1273 For addi, we must generate the overflow exception when needed. */
1280 TCGv t0 = tcg_temp_local_new();
1281 TCGv t1 = tcg_temp_new();
1282 TCGv t2 = tcg_temp_new();
1283 int l1 = gen_new_label();
1285 gen_load_gpr(t1, rs);
1286 tcg_gen_addi_tl(t0, t1, uimm);
1287 tcg_gen_ext32s_tl(t0, t0);
1289 tcg_gen_xori_tl(t1, t1, ~uimm);
1290 tcg_gen_xori_tl(t2, t0, uimm);
1291 tcg_gen_and_tl(t1, t1, t2);
1293 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
1295 /* operands of same sign, result different sign */
1296 generate_exception(ctx, EXCP_OVERFLOW);
1298 tcg_gen_ext32s_tl(t0, t0);
1299 gen_store_gpr(t0, rt);
1306 tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
1307 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]);
1309 tcg_gen_movi_tl(cpu_gpr[rt], uimm);
1313 #if defined(TARGET_MIPS64)
1316 TCGv t0 = tcg_temp_local_new();
1317 TCGv t1 = tcg_temp_new();
1318 TCGv t2 = tcg_temp_new();
1319 int l1 = gen_new_label();
1321 gen_load_gpr(t1, rs);
1322 tcg_gen_addi_tl(t0, t1, uimm);
1324 tcg_gen_xori_tl(t1, t1, ~uimm);
1325 tcg_gen_xori_tl(t2, t0, uimm);
1326 tcg_gen_and_tl(t1, t1, t2);
1328 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
1330 /* operands of same sign, result different sign */
1331 generate_exception(ctx, EXCP_OVERFLOW);
1333 gen_store_gpr(t0, rt);
1340 tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
1342 tcg_gen_movi_tl(cpu_gpr[rt], uimm);
1348 MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
1351 /* Logic with immediate operand */
1352 static void gen_logic_imm (CPUState *env, uint32_t opc, int rt, int rs, int16_t imm)
1355 const char *opn = "imm logic";
1358 /* If no destination, treat it as a NOP. */
1362 uimm = (uint16_t)imm;
1365 if (likely(rs != 0))
1366 tcg_gen_andi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
1368 tcg_gen_movi_tl(cpu_gpr[rt], 0);
1373 tcg_gen_ori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
1375 tcg_gen_movi_tl(cpu_gpr[rt], uimm);
1379 if (likely(rs != 0))
1380 tcg_gen_xori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
1382 tcg_gen_movi_tl(cpu_gpr[rt], uimm);
1386 tcg_gen_movi_tl(cpu_gpr[rt], imm << 16);
1390 MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
1393 /* Set on less than with immediate operand */
1394 static void gen_slt_imm (CPUState *env, uint32_t opc, int rt, int rs, int16_t imm)
1396 target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */
1397 const char *opn = "imm arith";
1401 /* If no destination, treat it as a NOP. */
1405 t0 = tcg_temp_new();
1406 gen_load_gpr(t0, rs);
1409 gen_op_lti(cpu_gpr[rt], t0, uimm);
1413 gen_op_ltiu(cpu_gpr[rt], t0, uimm);
1417 MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
1421 /* Shifts with immediate operand */
1422 static void gen_shift_imm(CPUState *env, DisasContext *ctx, uint32_t opc,
1423 int rt, int rs, int16_t imm)
1425 target_ulong uimm = ((uint16_t)imm) & 0x1f;
1426 const char *opn = "imm shift";
1430 /* If no destination, treat it as a NOP. */
1435 t0 = tcg_temp_new();
1436 gen_load_gpr(t0, rs);
1439 tcg_gen_shli_tl(t0, t0, uimm);
1440 tcg_gen_ext32s_tl(cpu_gpr[rt], t0);
1444 tcg_gen_ext32s_tl(t0, t0);
1445 tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm);
1449 switch ((ctx->opcode >> 21) & 0x1f) {
1452 tcg_gen_ext32u_tl(t0, t0);
1453 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm);
1455 tcg_gen_ext32s_tl(cpu_gpr[rt], t0);
1460 /* rotr is decoded as srl on non-R2 CPUs */
1461 if (env->insn_flags & ISA_MIPS32R2) {
1463 TCGv_i32 t1 = tcg_temp_new_i32();
1465 tcg_gen_trunc_tl_i32(t1, t0);
1466 tcg_gen_rotri_i32(t1, t1, uimm);
1467 tcg_gen_ext_i32_tl(cpu_gpr[rt], t1);
1468 tcg_temp_free_i32(t1);
1473 tcg_gen_ext32u_tl(t0, t0);
1474 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm);
1476 tcg_gen_ext32s_tl(cpu_gpr[rt], t0);
1482 MIPS_INVAL("invalid srl flag");
1483 generate_exception(ctx, EXCP_RI);
1487 #if defined(TARGET_MIPS64)
1489 tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm);
1493 tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm);
1497 switch ((ctx->opcode >> 21) & 0x1f) {
1499 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm);
1503 /* drotr is decoded as dsrl on non-R2 CPUs */
1504 if (env->insn_flags & ISA_MIPS32R2) {
1506 tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm);
1510 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm);
1515 MIPS_INVAL("invalid dsrl flag");
1516 generate_exception(ctx, EXCP_RI);
1521 tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm + 32);
1525 tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm + 32);
1529 switch ((ctx->opcode >> 21) & 0x1f) {
1531 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm + 32);
1535 /* drotr32 is decoded as dsrl32 on non-R2 CPUs */
1536 if (env->insn_flags & ISA_MIPS32R2) {
1537 tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm + 32);
1540 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm + 32);
1545 MIPS_INVAL("invalid dsrl32 flag");
1546 generate_exception(ctx, EXCP_RI);
1552 MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
1557 static void gen_arith (CPUState *env, DisasContext *ctx, uint32_t opc,
1558 int rd, int rs, int rt)
1560 const char *opn = "arith";
1562 if (rd == 0 && opc != OPC_ADD && opc != OPC_SUB
1563 && opc != OPC_DADD && opc != OPC_DSUB) {
1564 /* If no destination, treat it as a NOP.
1565 For add & sub, we must generate the overflow exception when needed. */
1573 TCGv t0 = tcg_temp_local_new();
1574 TCGv t1 = tcg_temp_new();
1575 TCGv t2 = tcg_temp_new();
1576 int l1 = gen_new_label();
1578 gen_load_gpr(t1, rs);
1579 gen_load_gpr(t2, rt);
1580 tcg_gen_add_tl(t0, t1, t2);
1581 tcg_gen_ext32s_tl(t0, t0);
1582 tcg_gen_xor_tl(t1, t1, t2);
1583 tcg_gen_not_tl(t1, t1);
1584 tcg_gen_xor_tl(t2, t0, t2);
1585 tcg_gen_and_tl(t1, t1, t2);
1587 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
1589 /* operands of same sign, result different sign */
1590 generate_exception(ctx, EXCP_OVERFLOW);
1592 gen_store_gpr(t0, rd);
1598 if (rs != 0 && rt != 0) {
1599 tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
1600 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
1601 } else if (rs == 0 && rt != 0) {
1602 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
1603 } else if (rs != 0 && rt == 0) {
1604 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
1606 tcg_gen_movi_tl(cpu_gpr[rd], 0);
1612 TCGv t0 = tcg_temp_local_new();
1613 TCGv t1 = tcg_temp_new();
1614 TCGv t2 = tcg_temp_new();
1615 int l1 = gen_new_label();
1617 gen_load_gpr(t1, rs);
1618 gen_load_gpr(t2, rt);
1619 tcg_gen_sub_tl(t0, t1, t2);
1620 tcg_gen_ext32s_tl(t0, t0);
1621 tcg_gen_xor_tl(t2, t1, t2);
1622 tcg_gen_xor_tl(t1, t0, t1);
1623 tcg_gen_and_tl(t1, t1, t2);
1625 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
1627 /* operands of different sign, first operand and result different sign */
1628 generate_exception(ctx, EXCP_OVERFLOW);
1630 gen_store_gpr(t0, rd);
1636 if (rs != 0 && rt != 0) {
1637 tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
1638 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
1639 } else if (rs == 0 && rt != 0) {
1640 tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]);
1641 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
1642 } else if (rs != 0 && rt == 0) {
1643 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
1645 tcg_gen_movi_tl(cpu_gpr[rd], 0);
1649 #if defined(TARGET_MIPS64)
1652 TCGv t0 = tcg_temp_local_new();
1653 TCGv t1 = tcg_temp_new();
1654 TCGv t2 = tcg_temp_new();
1655 int l1 = gen_new_label();
1657 gen_load_gpr(t1, rs);
1658 gen_load_gpr(t2, rt);
1659 tcg_gen_add_tl(t0, t1, t2);
1660 tcg_gen_xor_tl(t1, t1, t2);
1661 tcg_gen_not_tl(t1, t1);
1662 tcg_gen_xor_tl(t2, t0, t2);
1663 tcg_gen_and_tl(t1, t1, t2);
1665 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
1667 /* operands of same sign, result different sign */
1668 generate_exception(ctx, EXCP_OVERFLOW);
1670 gen_store_gpr(t0, rd);
1676 if (rs != 0 && rt != 0) {
1677 tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
1678 } else if (rs == 0 && rt != 0) {
1679 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
1680 } else if (rs != 0 && rt == 0) {
1681 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
1683 tcg_gen_movi_tl(cpu_gpr[rd], 0);
1689 TCGv t0 = tcg_temp_local_new();
1690 TCGv t1 = tcg_temp_new();
1691 TCGv t2 = tcg_temp_new();
1692 int l1 = gen_new_label();
1694 gen_load_gpr(t1, rs);
1695 gen_load_gpr(t2, rt);
1696 tcg_gen_sub_tl(t0, t1, t2);
1697 tcg_gen_xor_tl(t2, t1, t2);
1698 tcg_gen_xor_tl(t1, t0, t1);
1699 tcg_gen_and_tl(t1, t1, t2);
1701 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
1703 /* operands of different sign, first operand and result different sign */
1704 generate_exception(ctx, EXCP_OVERFLOW);
1706 gen_store_gpr(t0, rd);
1712 if (rs != 0 && rt != 0) {
1713 tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
1714 } else if (rs == 0 && rt != 0) {
1715 tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]);
1716 } else if (rs != 0 && rt == 0) {
1717 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
1719 tcg_gen_movi_tl(cpu_gpr[rd], 0);
1725 if (likely(rs != 0 && rt != 0)) {
1726 tcg_gen_mul_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
1727 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
1729 tcg_gen_movi_tl(cpu_gpr[rd], 0);
1734 MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
1737 /* Conditional move */
1738 static void gen_cond_move (CPUState *env, uint32_t opc, int rd, int rs, int rt)
1740 const char *opn = "cond move";
1744 /* If no destination, treat it as a NOP.
1745 For add & sub, we must generate the overflow exception when needed. */
1750 l1 = gen_new_label();
1753 if (likely(rt != 0))
1754 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rt], 0, l1);
1760 if (likely(rt != 0))
1761 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[rt], 0, l1);
1766 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
1768 tcg_gen_movi_tl(cpu_gpr[rd], 0);
1771 MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
1775 static void gen_logic (CPUState *env, uint32_t opc, int rd, int rs, int rt)
1777 const char *opn = "logic";
1780 /* If no destination, treat it as a NOP. */
1787 if (likely(rs != 0 && rt != 0)) {
1788 tcg_gen_and_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
1790 tcg_gen_movi_tl(cpu_gpr[rd], 0);
1795 if (rs != 0 && rt != 0) {
1796 tcg_gen_nor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
1797 } else if (rs == 0 && rt != 0) {
1798 tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rt]);
1799 } else if (rs != 0 && rt == 0) {
1800 tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rs]);
1802 tcg_gen_movi_tl(cpu_gpr[rd], ~((target_ulong)0));
1807 if (likely(rs != 0 && rt != 0)) {
1808 tcg_gen_or_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
1809 } else if (rs == 0 && rt != 0) {
1810 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
1811 } else if (rs != 0 && rt == 0) {
1812 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
1814 tcg_gen_movi_tl(cpu_gpr[rd], 0);
1819 if (likely(rs != 0 && rt != 0)) {
1820 tcg_gen_xor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
1821 } else if (rs == 0 && rt != 0) {
1822 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
1823 } else if (rs != 0 && rt == 0) {
1824 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
1826 tcg_gen_movi_tl(cpu_gpr[rd], 0);
1831 MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
1834 /* Set on lower than */
1835 static void gen_slt (CPUState *env, uint32_t opc, int rd, int rs, int rt)
1837 const char *opn = "slt";
1841 /* If no destination, treat it as a NOP. */
1846 t0 = tcg_temp_new();
1847 t1 = tcg_temp_new();
1848 gen_load_gpr(t0, rs);
1849 gen_load_gpr(t1, rt);
1852 gen_op_lt(cpu_gpr[rd], t0, t1);
1856 gen_op_ltu(cpu_gpr[rd], t0, t1);
1860 MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
1866 static void gen_shift (CPUState *env, DisasContext *ctx, uint32_t opc,
1867 int rd, int rs, int rt)
1869 const char *opn = "shifts";
1873 /* If no destination, treat it as a NOP.
1874 For add & sub, we must generate the overflow exception when needed. */
1879 t0 = tcg_temp_new();
1880 t1 = tcg_temp_new();
1881 gen_load_gpr(t0, rs);
1882 gen_load_gpr(t1, rt);
1885 tcg_gen_andi_tl(t0, t0, 0x1f);
1886 tcg_gen_shl_tl(t0, t1, t0);
1887 tcg_gen_ext32s_tl(cpu_gpr[rd], t0);
1891 tcg_gen_ext32s_tl(t1, t1);
1892 tcg_gen_andi_tl(t0, t0, 0x1f);
1893 tcg_gen_sar_tl(cpu_gpr[rd], t1, t0);
1897 switch ((ctx->opcode >> 6) & 0x1f) {
1899 tcg_gen_ext32u_tl(t1, t1);
1900 tcg_gen_andi_tl(t0, t0, 0x1f);
1901 tcg_gen_shr_tl(t0, t1, t0);
1902 tcg_gen_ext32s_tl(cpu_gpr[rd], t0);
1906 /* rotrv is decoded as srlv on non-R2 CPUs */
1907 if (env->insn_flags & ISA_MIPS32R2) {
1908 TCGv_i32 t2 = tcg_temp_new_i32();
1909 TCGv_i32 t3 = tcg_temp_new_i32();
1911 tcg_gen_trunc_tl_i32(t2, t0);
1912 tcg_gen_trunc_tl_i32(t3, t1);
1913 tcg_gen_andi_i32(t2, t2, 0x1f);
1914 tcg_gen_rotr_i32(t2, t3, t2);
1915 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2);
1916 tcg_temp_free_i32(t2);
1917 tcg_temp_free_i32(t3);
1920 tcg_gen_ext32u_tl(t1, t1);
1921 tcg_gen_andi_tl(t0, t0, 0x1f);
1922 tcg_gen_shr_tl(t0, t1, t0);
1923 tcg_gen_ext32s_tl(cpu_gpr[rd], t0);
1928 MIPS_INVAL("invalid srlv flag");
1929 generate_exception(ctx, EXCP_RI);
1933 #if defined(TARGET_MIPS64)
1935 tcg_gen_andi_tl(t0, t0, 0x3f);
1936 tcg_gen_shl_tl(cpu_gpr[rd], t1, t0);
1940 tcg_gen_andi_tl(t0, t0, 0x3f);
1941 tcg_gen_sar_tl(cpu_gpr[rd], t1, t0);
1945 switch ((ctx->opcode >> 6) & 0x1f) {
1947 tcg_gen_andi_tl(t0, t0, 0x3f);
1948 tcg_gen_shr_tl(cpu_gpr[rd], t1, t0);
1952 /* drotrv is decoded as dsrlv on non-R2 CPUs */
1953 if (env->insn_flags & ISA_MIPS32R2) {
1954 tcg_gen_andi_tl(t0, t0, 0x3f);
1955 tcg_gen_rotr_tl(cpu_gpr[rd], t1, t0);
1958 tcg_gen_andi_tl(t0, t0, 0x3f);
1959 tcg_gen_shr_tl(t0, t1, t0);
1964 MIPS_INVAL("invalid dsrlv flag");
1965 generate_exception(ctx, EXCP_RI);
1971 MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
1976 /* Arithmetic on HI/LO registers */
1977 static void gen_HILO (DisasContext *ctx, uint32_t opc, int reg)
1979 const char *opn = "hilo";
1981 if (reg == 0 && (opc == OPC_MFHI || opc == OPC_MFLO)) {
1988 tcg_gen_mov_tl(cpu_gpr[reg], cpu_HI[0]);
1992 tcg_gen_mov_tl(cpu_gpr[reg], cpu_LO[0]);
1997 tcg_gen_mov_tl(cpu_HI[0], cpu_gpr[reg]);
1999 tcg_gen_movi_tl(cpu_HI[0], 0);
2004 tcg_gen_mov_tl(cpu_LO[0], cpu_gpr[reg]);
2006 tcg_gen_movi_tl(cpu_LO[0], 0);
2010 MIPS_DEBUG("%s %s", opn, regnames[reg]);
2013 static void gen_muldiv (DisasContext *ctx, uint32_t opc,
2016 const char *opn = "mul/div";
2022 #if defined(TARGET_MIPS64)
2026 t0 = tcg_temp_local_new();
2027 t1 = tcg_temp_local_new();
2030 t0 = tcg_temp_new();
2031 t1 = tcg_temp_new();
2035 gen_load_gpr(t0, rs);
2036 gen_load_gpr(t1, rt);
2040 int l1 = gen_new_label();
2041 int l2 = gen_new_label();
2043 tcg_gen_ext32s_tl(t0, t0);
2044 tcg_gen_ext32s_tl(t1, t1);
2045 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
2046 tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2);
2047 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2);
2049 tcg_gen_mov_tl(cpu_LO[0], t0);
2050 tcg_gen_movi_tl(cpu_HI[0], 0);
2053 tcg_gen_div_tl(cpu_LO[0], t0, t1);
2054 tcg_gen_rem_tl(cpu_HI[0], t0, t1);
2055 tcg_gen_ext32s_tl(cpu_LO[0], cpu_LO[0]);
2056 tcg_gen_ext32s_tl(cpu_HI[0], cpu_HI[0]);
2063 int l1 = gen_new_label();
2065 tcg_gen_ext32u_tl(t0, t0);
2066 tcg_gen_ext32u_tl(t1, t1);
2067 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
2068 tcg_gen_divu_tl(cpu_LO[0], t0, t1);
2069 tcg_gen_remu_tl(cpu_HI[0], t0, t1);
2070 tcg_gen_ext32s_tl(cpu_LO[0], cpu_LO[0]);
2071 tcg_gen_ext32s_tl(cpu_HI[0], cpu_HI[0]);
2078 TCGv_i64 t2 = tcg_temp_new_i64();
2079 TCGv_i64 t3 = tcg_temp_new_i64();
2081 tcg_gen_ext_tl_i64(t2, t0);
2082 tcg_gen_ext_tl_i64(t3, t1);
2083 tcg_gen_mul_i64(t2, t2, t3);
2084 tcg_temp_free_i64(t3);
2085 tcg_gen_trunc_i64_tl(t0, t2);
2086 tcg_gen_shri_i64(t2, t2, 32);
2087 tcg_gen_trunc_i64_tl(t1, t2);
2088 tcg_temp_free_i64(t2);
2089 tcg_gen_ext32s_tl(cpu_LO[0], t0);
2090 tcg_gen_ext32s_tl(cpu_HI[0], t1);
2096 TCGv_i64 t2 = tcg_temp_new_i64();
2097 TCGv_i64 t3 = tcg_temp_new_i64();
2099 tcg_gen_ext32u_tl(t0, t0);
2100 tcg_gen_ext32u_tl(t1, t1);
2101 tcg_gen_extu_tl_i64(t2, t0);
2102 tcg_gen_extu_tl_i64(t3, t1);
2103 tcg_gen_mul_i64(t2, t2, t3);
2104 tcg_temp_free_i64(t3);
2105 tcg_gen_trunc_i64_tl(t0, t2);
2106 tcg_gen_shri_i64(t2, t2, 32);
2107 tcg_gen_trunc_i64_tl(t1, t2);
2108 tcg_temp_free_i64(t2);
2109 tcg_gen_ext32s_tl(cpu_LO[0], t0);
2110 tcg_gen_ext32s_tl(cpu_HI[0], t1);
2114 #if defined(TARGET_MIPS64)
2117 int l1 = gen_new_label();
2118 int l2 = gen_new_label();
2120 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
2121 tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2);
2122 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2);
2123 tcg_gen_mov_tl(cpu_LO[0], t0);
2124 tcg_gen_movi_tl(cpu_HI[0], 0);
2127 tcg_gen_div_i64(cpu_LO[0], t0, t1);
2128 tcg_gen_rem_i64(cpu_HI[0], t0, t1);
2135 int l1 = gen_new_label();
2137 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
2138 tcg_gen_divu_i64(cpu_LO[0], t0, t1);
2139 tcg_gen_remu_i64(cpu_HI[0], t0, t1);
2145 gen_helper_dmult(t0, t1);
2149 gen_helper_dmultu(t0, t1);
2155 TCGv_i64 t2 = tcg_temp_new_i64();
2156 TCGv_i64 t3 = tcg_temp_new_i64();
2158 tcg_gen_ext_tl_i64(t2, t0);
2159 tcg_gen_ext_tl_i64(t3, t1);
2160 tcg_gen_mul_i64(t2, t2, t3);
2161 tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]);
2162 tcg_gen_add_i64(t2, t2, t3);
2163 tcg_temp_free_i64(t3);
2164 tcg_gen_trunc_i64_tl(t0, t2);
2165 tcg_gen_shri_i64(t2, t2, 32);
2166 tcg_gen_trunc_i64_tl(t1, t2);
2167 tcg_temp_free_i64(t2);
2168 tcg_gen_ext32s_tl(cpu_LO[0], t0);
2169 tcg_gen_ext32s_tl(cpu_HI[0], t1);
2175 TCGv_i64 t2 = tcg_temp_new_i64();
2176 TCGv_i64 t3 = tcg_temp_new_i64();
2178 tcg_gen_ext32u_tl(t0, t0);
2179 tcg_gen_ext32u_tl(t1, t1);
2180 tcg_gen_extu_tl_i64(t2, t0);
2181 tcg_gen_extu_tl_i64(t3, t1);
2182 tcg_gen_mul_i64(t2, t2, t3);
2183 tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]);
2184 tcg_gen_add_i64(t2, t2, t3);
2185 tcg_temp_free_i64(t3);
2186 tcg_gen_trunc_i64_tl(t0, t2);
2187 tcg_gen_shri_i64(t2, t2, 32);
2188 tcg_gen_trunc_i64_tl(t1, t2);
2189 tcg_temp_free_i64(t2);
2190 tcg_gen_ext32s_tl(cpu_LO[0], t0);
2191 tcg_gen_ext32s_tl(cpu_HI[0], t1);
2197 TCGv_i64 t2 = tcg_temp_new_i64();
2198 TCGv_i64 t3 = tcg_temp_new_i64();
2200 tcg_gen_ext_tl_i64(t2, t0);
2201 tcg_gen_ext_tl_i64(t3, t1);
2202 tcg_gen_mul_i64(t2, t2, t3);
2203 tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]);
2204 tcg_gen_sub_i64(t2, t3, t2);
2205 tcg_temp_free_i64(t3);
2206 tcg_gen_trunc_i64_tl(t0, t2);
2207 tcg_gen_shri_i64(t2, t2, 32);
2208 tcg_gen_trunc_i64_tl(t1, t2);
2209 tcg_temp_free_i64(t2);
2210 tcg_gen_ext32s_tl(cpu_LO[0], t0);
2211 tcg_gen_ext32s_tl(cpu_HI[0], t1);
2217 TCGv_i64 t2 = tcg_temp_new_i64();
2218 TCGv_i64 t3 = tcg_temp_new_i64();
2220 tcg_gen_ext32u_tl(t0, t0);
2221 tcg_gen_ext32u_tl(t1, t1);
2222 tcg_gen_extu_tl_i64(t2, t0);
2223 tcg_gen_extu_tl_i64(t3, t1);
2224 tcg_gen_mul_i64(t2, t2, t3);
2225 tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]);
2226 tcg_gen_sub_i64(t2, t3, t2);
2227 tcg_temp_free_i64(t3);
2228 tcg_gen_trunc_i64_tl(t0, t2);
2229 tcg_gen_shri_i64(t2, t2, 32);
2230 tcg_gen_trunc_i64_tl(t1, t2);
2231 tcg_temp_free_i64(t2);
2232 tcg_gen_ext32s_tl(cpu_LO[0], t0);
2233 tcg_gen_ext32s_tl(cpu_HI[0], t1);
2239 generate_exception(ctx, EXCP_RI);
2242 MIPS_DEBUG("%s %s %s", opn, regnames[rs], regnames[rt]);
2248 static void gen_mul_vr54xx (DisasContext *ctx, uint32_t opc,
2249 int rd, int rs, int rt)
2251 const char *opn = "mul vr54xx";
2252 TCGv t0 = tcg_temp_new();
2253 TCGv t1 = tcg_temp_new();
2255 gen_load_gpr(t0, rs);
2256 gen_load_gpr(t1, rt);
2259 case OPC_VR54XX_MULS:
2260 gen_helper_muls(t0, t0, t1);
2263 case OPC_VR54XX_MULSU:
2264 gen_helper_mulsu(t0, t0, t1);
2267 case OPC_VR54XX_MACC:
2268 gen_helper_macc(t0, t0, t1);
2271 case OPC_VR54XX_MACCU:
2272 gen_helper_maccu(t0, t0, t1);
2275 case OPC_VR54XX_MSAC:
2276 gen_helper_msac(t0, t0, t1);
2279 case OPC_VR54XX_MSACU:
2280 gen_helper_msacu(t0, t0, t1);
2283 case OPC_VR54XX_MULHI:
2284 gen_helper_mulhi(t0, t0, t1);
2287 case OPC_VR54XX_MULHIU:
2288 gen_helper_mulhiu(t0, t0, t1);
2291 case OPC_VR54XX_MULSHI:
2292 gen_helper_mulshi(t0, t0, t1);
2295 case OPC_VR54XX_MULSHIU:
2296 gen_helper_mulshiu(t0, t0, t1);
2299 case OPC_VR54XX_MACCHI:
2300 gen_helper_macchi(t0, t0, t1);
2303 case OPC_VR54XX_MACCHIU:
2304 gen_helper_macchiu(t0, t0, t1);
2307 case OPC_VR54XX_MSACHI:
2308 gen_helper_msachi(t0, t0, t1);
2311 case OPC_VR54XX_MSACHIU:
2312 gen_helper_msachiu(t0, t0, t1);
2316 MIPS_INVAL("mul vr54xx");
2317 generate_exception(ctx, EXCP_RI);
2320 gen_store_gpr(t0, rd);
2321 MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
2328 static void gen_cl (DisasContext *ctx, uint32_t opc,
2331 const char *opn = "CLx";
2339 t0 = tcg_temp_new();
2340 gen_load_gpr(t0, rs);
2343 gen_helper_clo(cpu_gpr[rd], t0);
2347 gen_helper_clz(cpu_gpr[rd], t0);
2350 #if defined(TARGET_MIPS64)
2352 gen_helper_dclo(cpu_gpr[rd], t0);
2356 gen_helper_dclz(cpu_gpr[rd], t0);
2361 MIPS_DEBUG("%s %s, %s", opn, regnames[rd], regnames[rs]);
2366 static void gen_trap (DisasContext *ctx, uint32_t opc,
2367 int rs, int rt, int16_t imm)
2370 TCGv t0 = tcg_temp_new();
2371 TCGv t1 = tcg_temp_new();
2374 /* Load needed operands */
2382 /* Compare two registers */
2384 gen_load_gpr(t0, rs);
2385 gen_load_gpr(t1, rt);
2395 /* Compare register to immediate */
2396 if (rs != 0 || imm != 0) {
2397 gen_load_gpr(t0, rs);
2398 tcg_gen_movi_tl(t1, (int32_t)imm);
2405 case OPC_TEQ: /* rs == rs */
2406 case OPC_TEQI: /* r0 == 0 */
2407 case OPC_TGE: /* rs >= rs */
2408 case OPC_TGEI: /* r0 >= 0 */
2409 case OPC_TGEU: /* rs >= rs unsigned */
2410 case OPC_TGEIU: /* r0 >= 0 unsigned */
2412 generate_exception(ctx, EXCP_TRAP);
2414 case OPC_TLT: /* rs < rs */
2415 case OPC_TLTI: /* r0 < 0 */
2416 case OPC_TLTU: /* rs < rs unsigned */
2417 case OPC_TLTIU: /* r0 < 0 unsigned */
2418 case OPC_TNE: /* rs != rs */
2419 case OPC_TNEI: /* r0 != 0 */
2420 /* Never trap: treat as NOP. */
2424 int l1 = gen_new_label();
2429 tcg_gen_brcond_tl(TCG_COND_NE, t0, t1, l1);
2433 tcg_gen_brcond_tl(TCG_COND_LT, t0, t1, l1);
2437 tcg_gen_brcond_tl(TCG_COND_LTU, t0, t1, l1);
2441 tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1);
2445 tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1);
2449 tcg_gen_brcond_tl(TCG_COND_EQ, t0, t1, l1);
2452 generate_exception(ctx, EXCP_TRAP);
2459 static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
2461 TranslationBlock *tb;
2463 if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK) &&
2464 likely(!ctx->singlestep_enabled)) {
2467 tcg_gen_exit_tb((long)tb + n);
2470 if (ctx->singlestep_enabled) {
2471 save_cpu_state(ctx, 0);
2472 gen_helper_0i(raise_exception, EXCP_DEBUG);
2478 /* Branches (before delay slot) */
2479 static void gen_compute_branch (DisasContext *ctx, uint32_t opc,
2480 int rs, int rt, int32_t offset)
2482 target_ulong btgt = -1;
2484 int bcond_compute = 0;
2485 TCGv t0 = tcg_temp_new();
2486 TCGv t1 = tcg_temp_new();
2488 if (ctx->hflags & MIPS_HFLAG_BMASK) {
2489 #ifdef MIPS_DEBUG_DISAS
2490 LOG_DISAS("Branch in delay slot at PC 0x" TARGET_FMT_lx "\n", ctx->pc);
2492 generate_exception(ctx, EXCP_RI);
2496 /* Load needed operands */
2502 /* Compare two registers */
2504 gen_load_gpr(t0, rs);
2505 gen_load_gpr(t1, rt);
2508 btgt = ctx->pc + 4 + offset;
2522 /* Compare to zero */
2524 gen_load_gpr(t0, rs);
2527 btgt = ctx->pc + 4 + offset;
2531 /* Jump to immediate */
2532 btgt = ((ctx->pc + 4) & (int32_t)0xF0000000) | (uint32_t)offset;
2536 /* Jump to register */
2537 if (offset != 0 && offset != 16) {
2538 /* Hint = 0 is JR/JALR, hint 16 is JR.HB/JALR.HB, the
2539 others are reserved. */
2540 MIPS_INVAL("jump hint");
2541 generate_exception(ctx, EXCP_RI);
2544 gen_load_gpr(btarget, rs);
2547 MIPS_INVAL("branch/jump");
2548 generate_exception(ctx, EXCP_RI);
2551 if (bcond_compute == 0) {
2552 /* No condition to be computed */
2554 case OPC_BEQ: /* rx == rx */
2555 case OPC_BEQL: /* rx == rx likely */
2556 case OPC_BGEZ: /* 0 >= 0 */
2557 case OPC_BGEZL: /* 0 >= 0 likely */
2558 case OPC_BLEZ: /* 0 <= 0 */
2559 case OPC_BLEZL: /* 0 <= 0 likely */
2561 ctx->hflags |= MIPS_HFLAG_B;
2562 MIPS_DEBUG("balways");
2564 case OPC_BGEZAL: /* 0 >= 0 */
2565 case OPC_BGEZALL: /* 0 >= 0 likely */
2566 /* Always take and link */
2568 ctx->hflags |= MIPS_HFLAG_B;
2569 MIPS_DEBUG("balways and link");
2571 case OPC_BNE: /* rx != rx */
2572 case OPC_BGTZ: /* 0 > 0 */
2573 case OPC_BLTZ: /* 0 < 0 */
2575 MIPS_DEBUG("bnever (NOP)");
2577 case OPC_BLTZAL: /* 0 < 0 */
2578 tcg_gen_movi_tl(cpu_gpr[31], ctx->pc + 8);
2579 MIPS_DEBUG("bnever and link");
2581 case OPC_BLTZALL: /* 0 < 0 likely */
2582 tcg_gen_movi_tl(cpu_gpr[31], ctx->pc + 8);
2583 /* Skip the instruction in the delay slot */
2584 MIPS_DEBUG("bnever, link and skip");
2587 case OPC_BNEL: /* rx != rx likely */
2588 case OPC_BGTZL: /* 0 > 0 likely */
2589 case OPC_BLTZL: /* 0 < 0 likely */
2590 /* Skip the instruction in the delay slot */
2591 MIPS_DEBUG("bnever and skip");
2595 ctx->hflags |= MIPS_HFLAG_B;
2596 MIPS_DEBUG("j " TARGET_FMT_lx, btgt);
2600 ctx->hflags |= MIPS_HFLAG_B;
2601 MIPS_DEBUG("jal " TARGET_FMT_lx, btgt);
2604 ctx->hflags |= MIPS_HFLAG_BR;
2605 MIPS_DEBUG("jr %s", regnames[rs]);
2609 ctx->hflags |= MIPS_HFLAG_BR;
2610 MIPS_DEBUG("jalr %s, %s", regnames[rt], regnames[rs]);
2613 MIPS_INVAL("branch/jump");
2614 generate_exception(ctx, EXCP_RI);
2620 gen_op_eq(bcond, t0, t1);
2621 MIPS_DEBUG("beq %s, %s, " TARGET_FMT_lx,
2622 regnames[rs], regnames[rt], btgt);
2625 gen_op_eq(bcond, t0, t1);
2626 MIPS_DEBUG("beql %s, %s, " TARGET_FMT_lx,
2627 regnames[rs], regnames[rt], btgt);
2630 gen_op_ne(bcond, t0, t1);
2631 MIPS_DEBUG("bne %s, %s, " TARGET_FMT_lx,
2632 regnames[rs], regnames[rt], btgt);
2635 gen_op_ne(bcond, t0, t1);
2636 MIPS_DEBUG("bnel %s, %s, " TARGET_FMT_lx,
2637 regnames[rs], regnames[rt], btgt);
2640 gen_op_gez(bcond, t0);
2641 MIPS_DEBUG("bgez %s, " TARGET_FMT_lx, regnames[rs], btgt);
2644 gen_op_gez(bcond, t0);
2645 MIPS_DEBUG("bgezl %s, " TARGET_FMT_lx, regnames[rs], btgt);
2648 gen_op_gez(bcond, t0);
2649 MIPS_DEBUG("bgezal %s, " TARGET_FMT_lx, regnames[rs], btgt);
2653 gen_op_gez(bcond, t0);
2655 MIPS_DEBUG("bgezall %s, " TARGET_FMT_lx, regnames[rs], btgt);
2658 gen_op_gtz(bcond, t0);
2659 MIPS_DEBUG("bgtz %s, " TARGET_FMT_lx, regnames[rs], btgt);
2662 gen_op_gtz(bcond, t0);
2663 MIPS_DEBUG("bgtzl %s, " TARGET_FMT_lx, regnames[rs], btgt);
2666 gen_op_lez(bcond, t0);
2667 MIPS_DEBUG("blez %s, " TARGET_FMT_lx, regnames[rs], btgt);
2670 gen_op_lez(bcond, t0);
2671 MIPS_DEBUG("blezl %s, " TARGET_FMT_lx, regnames[rs], btgt);
2674 gen_op_ltz(bcond, t0);
2675 MIPS_DEBUG("bltz %s, " TARGET_FMT_lx, regnames[rs], btgt);
2678 gen_op_ltz(bcond, t0);
2679 MIPS_DEBUG("bltzl %s, " TARGET_FMT_lx, regnames[rs], btgt);
2682 gen_op_ltz(bcond, t0);
2684 MIPS_DEBUG("bltzal %s, " TARGET_FMT_lx, regnames[rs], btgt);
2686 ctx->hflags |= MIPS_HFLAG_BC;
2689 gen_op_ltz(bcond, t0);
2691 MIPS_DEBUG("bltzall %s, " TARGET_FMT_lx, regnames[rs], btgt);
2693 ctx->hflags |= MIPS_HFLAG_BL;
2696 MIPS_INVAL("conditional branch/jump");
2697 generate_exception(ctx, EXCP_RI);
2701 MIPS_DEBUG("enter ds: link %d cond %02x target " TARGET_FMT_lx,
2702 blink, ctx->hflags, btgt);
2704 ctx->btarget = btgt;
2706 tcg_gen_movi_tl(cpu_gpr[blink], ctx->pc + 8);
2714 /* special3 bitfield operations */
2715 static void gen_bitops (DisasContext *ctx, uint32_t opc, int rt,
2716 int rs, int lsb, int msb)
2718 TCGv t0 = tcg_temp_new();
2719 TCGv t1 = tcg_temp_new();
2722 gen_load_gpr(t1, rs);
2727 tcg_gen_shri_tl(t0, t1, lsb);
2729 tcg_gen_andi_tl(t0, t0, (1 << (msb + 1)) - 1);
2731 tcg_gen_ext32s_tl(t0, t0);
2734 #if defined(TARGET_MIPS64)
2736 tcg_gen_shri_tl(t0, t1, lsb);
2738 tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1 + 32)) - 1);
2742 tcg_gen_shri_tl(t0, t1, lsb + 32);
2743 tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1)) - 1);
2746 tcg_gen_shri_tl(t0, t1, lsb);
2747 tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1)) - 1);
2753 mask = ((msb - lsb + 1 < 32) ? ((1 << (msb - lsb + 1)) - 1) : ~0) << lsb;
2754 gen_load_gpr(t0, rt);
2755 tcg_gen_andi_tl(t0, t0, ~mask);
2756 tcg_gen_shli_tl(t1, t1, lsb);
2757 tcg_gen_andi_tl(t1, t1, mask);
2758 tcg_gen_or_tl(t0, t0, t1);
2759 tcg_gen_ext32s_tl(t0, t0);
2761 #if defined(TARGET_MIPS64)
2765 mask = ((msb - lsb + 1 + 32 < 64) ? ((1ULL << (msb - lsb + 1 + 32)) - 1) : ~0ULL) << lsb;
2766 gen_load_gpr(t0, rt);
2767 tcg_gen_andi_tl(t0, t0, ~mask);
2768 tcg_gen_shli_tl(t1, t1, lsb);
2769 tcg_gen_andi_tl(t1, t1, mask);
2770 tcg_gen_or_tl(t0, t0, t1);
2775 mask = ((1ULL << (msb - lsb + 1)) - 1) << lsb;
2776 gen_load_gpr(t0, rt);
2777 tcg_gen_andi_tl(t0, t0, ~mask);
2778 tcg_gen_shli_tl(t1, t1, lsb + 32);
2779 tcg_gen_andi_tl(t1, t1, mask);
2780 tcg_gen_or_tl(t0, t0, t1);
2785 gen_load_gpr(t0, rt);
2786 mask = ((1ULL << (msb - lsb + 1)) - 1) << lsb;
2787 gen_load_gpr(t0, rt);
2788 tcg_gen_andi_tl(t0, t0, ~mask);
2789 tcg_gen_shli_tl(t1, t1, lsb);
2790 tcg_gen_andi_tl(t1, t1, mask);
2791 tcg_gen_or_tl(t0, t0, t1);
2796 MIPS_INVAL("bitops");
2797 generate_exception(ctx, EXCP_RI);
2802 gen_store_gpr(t0, rt);
2807 static void gen_bshfl (DisasContext *ctx, uint32_t op2, int rt, int rd)
2812 /* If no destination, treat it as a NOP. */
2817 t0 = tcg_temp_new();
2818 gen_load_gpr(t0, rt);
2822 TCGv t1 = tcg_temp_new();
2824 tcg_gen_shri_tl(t1, t0, 8);
2825 tcg_gen_andi_tl(t1, t1, 0x00FF00FF);
2826 tcg_gen_shli_tl(t0, t0, 8);
2827 tcg_gen_andi_tl(t0, t0, ~0x00FF00FF);
2828 tcg_gen_or_tl(t0, t0, t1);
2830 tcg_gen_ext32s_tl(cpu_gpr[rd], t0);
2834 tcg_gen_ext8s_tl(cpu_gpr[rd], t0);
2837 tcg_gen_ext16s_tl(cpu_gpr[rd], t0);
2839 #if defined(TARGET_MIPS64)
2842 TCGv t1 = tcg_temp_new();
2844 tcg_gen_shri_tl(t1, t0, 8);
2845 tcg_gen_andi_tl(t1, t1, 0x00FF00FF00FF00FFULL);
2846 tcg_gen_shli_tl(t0, t0, 8);
2847 tcg_gen_andi_tl(t0, t0, ~0x00FF00FF00FF00FFULL);
2848 tcg_gen_or_tl(cpu_gpr[rd], t0, t1);
2854 TCGv t1 = tcg_temp_new();
2856 tcg_gen_shri_tl(t1, t0, 16);
2857 tcg_gen_andi_tl(t1, t1, 0x0000FFFF0000FFFFULL);
2858 tcg_gen_shli_tl(t0, t0, 16);
2859 tcg_gen_andi_tl(t0, t0, ~0x0000FFFF0000FFFFULL);
2860 tcg_gen_or_tl(t0, t0, t1);
2861 tcg_gen_shri_tl(t1, t0, 32);
2862 tcg_gen_shli_tl(t0, t0, 32);
2863 tcg_gen_or_tl(cpu_gpr[rd], t0, t1);
2869 MIPS_INVAL("bsfhl");
2870 generate_exception(ctx, EXCP_RI);
2877 #ifndef CONFIG_USER_ONLY
2878 /* CP0 (MMU and control) */
2879 static inline void gen_mfc0_load32 (TCGv arg, target_ulong off)
2881 TCGv_i32 t0 = tcg_temp_new_i32();
2883 tcg_gen_ld_i32(t0, cpu_env, off);
2884 tcg_gen_ext_i32_tl(arg, t0);
2885 tcg_temp_free_i32(t0);
2888 static inline void gen_mfc0_load64 (TCGv arg, target_ulong off)
2890 tcg_gen_ld_tl(arg, cpu_env, off);
2891 tcg_gen_ext32s_tl(arg, arg);
2894 static inline void gen_mtc0_store32 (TCGv arg, target_ulong off)
2896 TCGv_i32 t0 = tcg_temp_new_i32();
2898 tcg_gen_trunc_tl_i32(t0, arg);
2899 tcg_gen_st_i32(t0, cpu_env, off);
2900 tcg_temp_free_i32(t0);
2903 static inline void gen_mtc0_store64 (TCGv arg, target_ulong off)
2905 tcg_gen_ext32s_tl(arg, arg);
2906 tcg_gen_st_tl(arg, cpu_env, off);
2909 static void gen_mfc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel)
2911 const char *rn = "invalid";
2914 check_insn(env, ctx, ISA_MIPS32);
2920 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Index));
2924 check_insn(env, ctx, ASE_MT);
2925 gen_helper_mfc0_mvpcontrol(arg);
2929 check_insn(env, ctx, ASE_MT);
2930 gen_helper_mfc0_mvpconf0(arg);
2934 check_insn(env, ctx, ASE_MT);
2935 gen_helper_mfc0_mvpconf1(arg);
2945 gen_helper_mfc0_random(arg);
2949 check_insn(env, ctx, ASE_MT);
2950 gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEControl));
2954 check_insn(env, ctx, ASE_MT);
2955 gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf0));
2959 check_insn(env, ctx, ASE_MT);
2960 gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf1));
2964 check_insn(env, ctx, ASE_MT);
2965 gen_mfc0_load64(arg, offsetof(CPUState, CP0_YQMask));
2969 check_insn(env, ctx, ASE_MT);
2970 gen_mfc0_load64(arg, offsetof(CPUState, CP0_VPESchedule));
2974 check_insn(env, ctx, ASE_MT);
2975 gen_mfc0_load64(arg, offsetof(CPUState, CP0_VPEScheFBack));
2976 rn = "VPEScheFBack";
2979 check_insn(env, ctx, ASE_MT);
2980 gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEOpt));
2990 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo0));
2991 tcg_gen_ext32s_tl(arg, arg);
2995 check_insn(env, ctx, ASE_MT);
2996 gen_helper_mfc0_tcstatus(arg);
3000 check_insn(env, ctx, ASE_MT);
3001 gen_helper_mfc0_tcbind(arg);
3005 check_insn(env, ctx, ASE_MT);
3006 gen_helper_mfc0_tcrestart(arg);
3010 check_insn(env, ctx, ASE_MT);
3011 gen_helper_mfc0_tchalt(arg);
3015 check_insn(env, ctx, ASE_MT);
3016 gen_helper_mfc0_tccontext(arg);
3020 check_insn(env, ctx, ASE_MT);
3021 gen_helper_mfc0_tcschedule(arg);
3025 check_insn(env, ctx, ASE_MT);
3026 gen_helper_mfc0_tcschefback(arg);
3036 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo1));
3037 tcg_gen_ext32s_tl(arg, arg);
3047 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_Context));
3048 tcg_gen_ext32s_tl(arg, arg);
3052 // gen_helper_mfc0_contextconfig(arg); /* SmartMIPS ASE */
3053 rn = "ContextConfig";
3062 gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageMask));
3066 check_insn(env, ctx, ISA_MIPS32R2);
3067 gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageGrain));
3077 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Wired));
3081 check_insn(env, ctx, ISA_MIPS32R2);
3082 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf0));
3086 check_insn(env, ctx, ISA_MIPS32R2);
3087 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf1));
3091 check_insn(env, ctx, ISA_MIPS32R2);
3092 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf2));
3096 check_insn(env, ctx, ISA_MIPS32R2);
3097 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf3));
3101 check_insn(env, ctx, ISA_MIPS32R2);
3102 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf4));
3112 check_insn(env, ctx, ISA_MIPS32R2);
3113 gen_mfc0_load32(arg, offsetof(CPUState, CP0_HWREna));
3123 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_BadVAddr));
3124 tcg_gen_ext32s_tl(arg, arg);
3134 /* Mark as an IO operation because we read the time. */
3137 gen_helper_mfc0_count(arg);
3140 ctx->bstate = BS_STOP;
3144 /* 6,7 are implementation dependent */
3152 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryHi));
3153 tcg_gen_ext32s_tl(arg, arg);
3163 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Compare));
3166 /* 6,7 are implementation dependent */
3174 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Status));
3178 check_insn(env, ctx, ISA_MIPS32R2);
3179 gen_mfc0_load32(arg, offsetof(CPUState, CP0_IntCtl));
3183 check_insn(env, ctx, ISA_MIPS32R2);
3184 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSCtl));
3188 check_insn(env, ctx, ISA_MIPS32R2);
3189 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSMap));
3199 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Cause));
3209 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EPC));
3210 tcg_gen_ext32s_tl(arg, arg);
3220 gen_mfc0_load32(arg, offsetof(CPUState, CP0_PRid));
3224 check_insn(env, ctx, ISA_MIPS32R2);
3225 gen_mfc0_load32(arg, offsetof(CPUState, CP0_EBase));
3235 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config0));
3239 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config1));
3243 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config2));
3247 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config3));
3250 /* 4,5 are reserved */
3251 /* 6,7 are implementation dependent */
3253 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config6));
3257 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config7));
3267 gen_helper_mfc0_lladdr(arg);
3277 gen_helper_1i(mfc0_watchlo, arg, sel);
3287 gen_helper_1i(mfc0_watchhi, arg, sel);
3297 #if defined(TARGET_MIPS64)
3298 check_insn(env, ctx, ISA_MIPS3);
3299 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_XContext));
3300 tcg_gen_ext32s_tl(arg, arg);
3309 /* Officially reserved, but sel 0 is used for R1x000 framemask */
3312 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Framemask));
3320 tcg_gen_movi_tl(arg, 0); /* unimplemented */
3321 rn = "'Diagnostic"; /* implementation dependent */
3326 gen_helper_mfc0_debug(arg); /* EJTAG support */
3330 // gen_helper_mfc0_tracecontrol(arg); /* PDtrace support */
3331 rn = "TraceControl";
3334 // gen_helper_mfc0_tracecontrol2(arg); /* PDtrace support */
3335 rn = "TraceControl2";
3338 // gen_helper_mfc0_usertracedata(arg); /* PDtrace support */
3339 rn = "UserTraceData";
3342 // gen_helper_mfc0_tracebpc(arg); /* PDtrace support */
3353 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_DEPC));
3354 tcg_gen_ext32s_tl(arg, arg);
3364 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Performance0));
3365 rn = "Performance0";
3368 // gen_helper_mfc0_performance1(arg);
3369 rn = "Performance1";
3372 // gen_helper_mfc0_performance2(arg);
3373 rn = "Performance2";
3376 // gen_helper_mfc0_performance3(arg);
3377 rn = "Performance3";
3380 // gen_helper_mfc0_performance4(arg);
3381 rn = "Performance4";
3384 // gen_helper_mfc0_performance5(arg);
3385 rn = "Performance5";
3388 // gen_helper_mfc0_performance6(arg);
3389 rn = "Performance6";
3392 // gen_helper_mfc0_performance7(arg);
3393 rn = "Performance7";
3400 tcg_gen_movi_tl(arg, 0); /* unimplemented */
3406 tcg_gen_movi_tl(arg, 0); /* unimplemented */
3419 gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagLo));
3426 gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataLo));
3439 gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagHi));
3446 gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataHi));
3456 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_ErrorEPC));
3457 tcg_gen_ext32s_tl(arg, arg);
3468 gen_mfc0_load32(arg, offsetof(CPUState, CP0_DESAVE));
3478 LOG_DISAS("mfc0 %s (reg %d sel %d)\n", rn, reg, sel);
3482 LOG_DISAS("mfc0 %s (reg %d sel %d)\n", rn, reg, sel);
3483 generate_exception(ctx, EXCP_RI);
3486 static void gen_mtc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel)
3488 const char *rn = "invalid";
3491 check_insn(env, ctx, ISA_MIPS32);
3500 gen_helper_mtc0_index(arg);
3504 check_insn(env, ctx, ASE_MT);
3505 gen_helper_mtc0_mvpcontrol(arg);
3509 check_insn(env, ctx, ASE_MT);
3514 check_insn(env, ctx, ASE_MT);
3529 check_insn(env, ctx, ASE_MT);
3530 gen_helper_mtc0_vpecontrol(arg);
3534 check_insn(env, ctx, ASE_MT);
3535 gen_helper_mtc0_vpeconf0(arg);
3539 check_insn(env, ctx, ASE_MT);
3540 gen_helper_mtc0_vpeconf1(arg);
3544 check_insn(env, ctx, ASE_MT);
3545 gen_helper_mtc0_yqmask(arg);
3549 check_insn(env, ctx, ASE_MT);
3550 gen_mtc0_store64(arg, offsetof(CPUState, CP0_VPESchedule));
3554 check_insn(env, ctx, ASE_MT);
3555 gen_mtc0_store64(arg, offsetof(CPUState, CP0_VPEScheFBack));
3556 rn = "VPEScheFBack";
3559 check_insn(env, ctx, ASE_MT);
3560 gen_helper_mtc0_vpeopt(arg);
3570 gen_helper_mtc0_entrylo0(arg);
3574 check_insn(env, ctx, ASE_MT);
3575 gen_helper_mtc0_tcstatus(arg);
3579 check_insn(env, ctx, ASE_MT);
3580 gen_helper_mtc0_tcbind(arg);
3584 check_insn(env, ctx, ASE_MT);
3585 gen_helper_mtc0_tcrestart(arg);
3589 check_insn(env, ctx, ASE_MT);
3590 gen_helper_mtc0_tchalt(arg);
3594 check_insn(env, ctx, ASE_MT);
3595 gen_helper_mtc0_tccontext(arg);
3599 check_insn(env, ctx, ASE_MT);
3600 gen_helper_mtc0_tcschedule(arg);
3604 check_insn(env, ctx, ASE_MT);
3605 gen_helper_mtc0_tcschefback(arg);
3615 gen_helper_mtc0_entrylo1(arg);
3625 gen_helper_mtc0_context(arg);
3629 // gen_helper_mtc0_contextconfig(arg); /* SmartMIPS ASE */
3630 rn = "ContextConfig";
3639 gen_helper_mtc0_pagemask(arg);
3643 check_insn(env, ctx, ISA_MIPS32R2);
3644 gen_helper_mtc0_pagegrain(arg);
3654 gen_helper_mtc0_wired(arg);
3658 check_insn(env, ctx, ISA_MIPS32R2);
3659 gen_helper_mtc0_srsconf0(arg);
3663 check_insn(env, ctx, ISA_MIPS32R2);
3664 gen_helper_mtc0_srsconf1(arg);
3668 check_insn(env, ctx, ISA_MIPS32R2);
3669 gen_helper_mtc0_srsconf2(arg);
3673 check_insn(env, ctx, ISA_MIPS32R2);
3674 gen_helper_mtc0_srsconf3(arg);
3678 check_insn(env, ctx, ISA_MIPS32R2);
3679 gen_helper_mtc0_srsconf4(arg);
3689 check_insn(env, ctx, ISA_MIPS32R2);
3690 gen_helper_mtc0_hwrena(arg);
3704 gen_helper_mtc0_count(arg);
3707 /* 6,7 are implementation dependent */
3715 gen_helper_mtc0_entryhi(arg);
3725 gen_helper_mtc0_compare(arg);
3728 /* 6,7 are implementation dependent */
3736 save_cpu_state(ctx, 1);
3737 gen_helper_mtc0_status(arg);
3738 /* BS_STOP isn't good enough here, hflags may have changed. */
3739 gen_save_pc(ctx->pc + 4);
3740 ctx->bstate = BS_EXCP;
3744 check_insn(env, ctx, ISA_MIPS32R2);
3745 gen_helper_mtc0_intctl(arg);
3746 /* Stop translation as we may have switched the execution mode */
3747 ctx->bstate = BS_STOP;
3751 check_insn(env, ctx, ISA_MIPS32R2);
3752 gen_helper_mtc0_srsctl(arg);
3753 /* Stop translation as we may have switched the execution mode */
3754 ctx->bstate = BS_STOP;
3758 check_insn(env, ctx, ISA_MIPS32R2);
3759 gen_mtc0_store32(arg, offsetof(CPUState, CP0_SRSMap));
3760 /* Stop translation as we may have switched the execution mode */
3761 ctx->bstate = BS_STOP;
3771 save_cpu_state(ctx, 1);
3772 gen_helper_mtc0_cause(arg);
3782 gen_mtc0_store64(arg, offsetof(CPUState, CP0_EPC));
3796 check_insn(env, ctx, ISA_MIPS32R2);
3797 gen_helper_mtc0_ebase(arg);
3807 gen_helper_mtc0_config0(arg);
3809 /* Stop translation as we may have switched the execution mode */
3810 ctx->bstate = BS_STOP;
3813 /* ignored, read only */
3817 gen_helper_mtc0_config2(arg);
3819 /* Stop translation as we may have switched the execution mode */
3820 ctx->bstate = BS_STOP;
3823 /* ignored, read only */
3826 /* 4,5 are reserved */
3827 /* 6,7 are implementation dependent */
3837 rn = "Invalid config selector";
3854 gen_helper_1i(mtc0_watchlo, arg, sel);
3864 gen_helper_1i(mtc0_watchhi, arg, sel);
3874 #if defined(TARGET_MIPS64)
3875 check_insn(env, ctx, ISA_MIPS3);
3876 gen_helper_mtc0_xcontext(arg);
3885 /* Officially reserved, but sel 0 is used for R1x000 framemask */
3888 gen_helper_mtc0_framemask(arg);
3897 rn = "Diagnostic"; /* implementation dependent */
3902 gen_helper_mtc0_debug(arg); /* EJTAG support */
3903 /* BS_STOP isn't good enough here, hflags may have changed. */
3904 gen_save_pc(ctx->pc + 4);
3905 ctx->bstate = BS_EXCP;
3909 // gen_helper_mtc0_tracecontrol(arg); /* PDtrace support */
3910 rn = "TraceControl";
3911 /* Stop translation as we may have switched the execution mode */
3912 ctx->bstate = BS_STOP;
3915 // gen_helper_mtc0_tracecontrol2(arg); /* PDtrace support */
3916 rn = "TraceControl2";
3917 /* Stop translation as we may have switched the execution mode */
3918 ctx->bstate = BS_STOP;
3921 /* Stop translation as we may have switched the execution mode */
3922 ctx->bstate = BS_STOP;
3923 // gen_helper_mtc0_usertracedata(arg); /* PDtrace support */
3924 rn = "UserTraceData";
3925 /* Stop translation as we may have switched the execution mode */
3926 ctx->bstate = BS_STOP;
3929 // gen_helper_mtc0_tracebpc(arg); /* PDtrace support */
3930 /* Stop translation as we may have switched the execution mode */
3931 ctx->bstate = BS_STOP;
3942 gen_mtc0_store64(arg, offsetof(CPUState, CP0_DEPC));
3952 gen_helper_mtc0_performance0(arg);
3953 rn = "Performance0";
3956 // gen_helper_mtc0_performance1(arg);
3957 rn = "Performance1";
3960 // gen_helper_mtc0_performance2(arg);
3961 rn = "Performance2";
3964 // gen_helper_mtc0_performance3(arg);
3965 rn = "Performance3";
3968 // gen_helper_mtc0_performance4(arg);
3969 rn = "Performance4";
3972 // gen_helper_mtc0_performance5(arg);
3973 rn = "Performance5";
3976 // gen_helper_mtc0_performance6(arg);
3977 rn = "Performance6";
3980 // gen_helper_mtc0_performance7(arg);
3981 rn = "Performance7";
4007 gen_helper_mtc0_taglo(arg);
4014 gen_helper_mtc0_datalo(arg);
4027 gen_helper_mtc0_taghi(arg);
4034 gen_helper_mtc0_datahi(arg);
4045 gen_mtc0_store64(arg, offsetof(CPUState, CP0_ErrorEPC));
4056 gen_mtc0_store32(arg, offsetof(CPUState, CP0_DESAVE));
4062 /* Stop translation as we may have switched the execution mode */
4063 ctx->bstate = BS_STOP;
4068 LOG_DISAS("mtc0 %s (reg %d sel %d)\n", rn, reg, sel);
4069 /* For simplicity assume that all writes can cause interrupts. */
4072 ctx->bstate = BS_STOP;
4077 LOG_DISAS("mtc0 %s (reg %d sel %d)\n", rn, reg, sel);
4078 generate_exception(ctx, EXCP_RI);
4081 #if defined(TARGET_MIPS64)
4082 static void gen_dmfc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel)
4084 const char *rn = "invalid";
4087 check_insn(env, ctx, ISA_MIPS64);
4093 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Index));
4097 check_insn(env, ctx, ASE_MT);
4098 gen_helper_mfc0_mvpcontrol(arg);
4102 check_insn(env, ctx, ASE_MT);
4103 gen_helper_mfc0_mvpconf0(arg);
4107 check_insn(env, ctx, ASE_MT);
4108 gen_helper_mfc0_mvpconf1(arg);
4118 gen_helper_mfc0_random(arg);
4122 check_insn(env, ctx, ASE_MT);
4123 gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEControl));
4127 check_insn(env, ctx, ASE_MT);
4128 gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf0));
4132 check_insn(env, ctx, ASE_MT);
4133 gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf1));
4137 check_insn(env, ctx, ASE_MT);
4138 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_YQMask));
4142 check_insn(env, ctx, ASE_MT);
4143 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_VPESchedule));
4147 check_insn(env, ctx, ASE_MT);
4148 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_VPEScheFBack));
4149 rn = "VPEScheFBack";
4152 check_insn(env, ctx, ASE_MT);
4153 gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEOpt));
4163 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo0));
4167 check_insn(env, ctx, ASE_MT);
4168 gen_helper_mfc0_tcstatus(arg);
4172 check_insn(env, ctx, ASE_MT);
4173 gen_helper_mfc0_tcbind(arg);
4177 check_insn(env, ctx, ASE_MT);
4178 gen_helper_dmfc0_tcrestart(arg);
4182 check_insn(env, ctx, ASE_MT);
4183 gen_helper_dmfc0_tchalt(arg);
4187 check_insn(env, ctx, ASE_MT);
4188 gen_helper_dmfc0_tccontext(arg);
4192 check_insn(env, ctx, ASE_MT);
4193 gen_helper_dmfc0_tcschedule(arg);
4197 check_insn(env, ctx, ASE_MT);
4198 gen_helper_dmfc0_tcschefback(arg);
4208 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo1));
4218 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_Context));
4222 // gen_helper_dmfc0_contextconfig(arg); /* SmartMIPS ASE */
4223 rn = "ContextConfig";
4232 gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageMask));
4236 check_insn(env, ctx, ISA_MIPS32R2);
4237 gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageGrain));
4247 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Wired));
4251 check_insn(env, ctx, ISA_MIPS32R2);
4252 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf0));
4256 check_insn(env, ctx, ISA_MIPS32R2);
4257 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf1));
4261 check_insn(env, ctx, ISA_MIPS32R2);
4262 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf2));
4266 check_insn(env, ctx, ISA_MIPS32R2);
4267 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf3));
4271 check_insn(env, ctx, ISA_MIPS32R2);
4272 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf4));
4282 check_insn(env, ctx, ISA_MIPS32R2);
4283 gen_mfc0_load32(arg, offsetof(CPUState, CP0_HWREna));
4293 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_BadVAddr));
4303 /* Mark as an IO operation because we read the time. */
4306 gen_helper_mfc0_count(arg);
4309 ctx->bstate = BS_STOP;
4313 /* 6,7 are implementation dependent */
4321 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryHi));
4331 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Compare));
4334 /* 6,7 are implementation dependent */
4342 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Status));
4346 check_insn(env, ctx, ISA_MIPS32R2);
4347 gen_mfc0_load32(arg, offsetof(CPUState, CP0_IntCtl));
4351 check_insn(env, ctx, ISA_MIPS32R2);
4352 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSCtl));
4356 check_insn(env, ctx, ISA_MIPS32R2);
4357 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSMap));
4367 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Cause));
4377 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EPC));
4387 gen_mfc0_load32(arg, offsetof(CPUState, CP0_PRid));
4391 check_insn(env, ctx, ISA_MIPS32R2);
4392 gen_mfc0_load32(arg, offsetof(CPUState, CP0_EBase));
4402 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config0));
4406 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config1));
4410 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config2));
4414 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config3));
4417 /* 6,7 are implementation dependent */
4419 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config6));
4423 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config7));
4433 gen_helper_dmfc0_lladdr(arg);
4443 gen_helper_1i(dmfc0_watchlo, arg, sel);
4453 gen_helper_1i(mfc0_watchhi, arg, sel);
4463 check_insn(env, ctx, ISA_MIPS3);
4464 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_XContext));
4472 /* Officially reserved, but sel 0 is used for R1x000 framemask */
4475 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Framemask));
4483 tcg_gen_movi_tl(arg, 0); /* unimplemented */
4484 rn = "'Diagnostic"; /* implementation dependent */
4489 gen_helper_mfc0_debug(arg); /* EJTAG support */
4493 // gen_helper_dmfc0_tracecontrol(arg); /* PDtrace support */
4494 rn = "TraceControl";
4497 // gen_helper_dmfc0_tracecontrol2(arg); /* PDtrace support */
4498 rn = "TraceControl2";
4501 // gen_helper_dmfc0_usertracedata(arg); /* PDtrace support */
4502 rn = "UserTraceData";
4505 // gen_helper_dmfc0_tracebpc(arg); /* PDtrace support */
4516 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_DEPC));
4526 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Performance0));
4527 rn = "Performance0";
4530 // gen_helper_dmfc0_performance1(arg);
4531 rn = "Performance1";
4534 // gen_helper_dmfc0_performance2(arg);
4535 rn = "Performance2";
4538 // gen_helper_dmfc0_performance3(arg);
4539 rn = "Performance3";
4542 // gen_helper_dmfc0_performance4(arg);
4543 rn = "Performance4";
4546 // gen_helper_dmfc0_performance5(arg);
4547 rn = "Performance5";
4550 // gen_helper_dmfc0_performance6(arg);
4551 rn = "Performance6";
4554 // gen_helper_dmfc0_performance7(arg);
4555 rn = "Performance7";
4562 tcg_gen_movi_tl(arg, 0); /* unimplemented */
4569 tcg_gen_movi_tl(arg, 0); /* unimplemented */
4582 gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagLo));
4589 gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataLo));
4602 gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagHi));
4609 gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataHi));
4619 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_ErrorEPC));
4630 gen_mfc0_load32(arg, offsetof(CPUState, CP0_DESAVE));
4640 LOG_DISAS("dmfc0 %s (reg %d sel %d)\n", rn, reg, sel);
4644 LOG_DISAS("dmfc0 %s (reg %d sel %d)\n", rn, reg, sel);
4645 generate_exception(ctx, EXCP_RI);
4648 static void gen_dmtc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel)
4650 const char *rn = "invalid";
4653 check_insn(env, ctx, ISA_MIPS64);
4662 gen_helper_mtc0_index(arg);
4666 check_insn(env, ctx, ASE_MT);
4667 gen_helper_mtc0_mvpcontrol(arg);
4671 check_insn(env, ctx, ASE_MT);
4676 check_insn(env, ctx, ASE_MT);
4691 check_insn(env, ctx, ASE_MT);
4692 gen_helper_mtc0_vpecontrol(arg);
4696 check_insn(env, ctx, ASE_MT);
4697 gen_helper_mtc0_vpeconf0(arg);
4701 check_insn(env, ctx, ASE_MT);
4702 gen_helper_mtc0_vpeconf1(arg);
4706 check_insn(env, ctx, ASE_MT);
4707 gen_helper_mtc0_yqmask(arg);
4711 check_insn(env, ctx, ASE_MT);
4712 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_VPESchedule));
4716 check_insn(env, ctx, ASE_MT);
4717 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_VPEScheFBack));
4718 rn = "VPEScheFBack";
4721 check_insn(env, ctx, ASE_MT);
4722 gen_helper_mtc0_vpeopt(arg);
4732 gen_helper_mtc0_entrylo0(arg);
4736 check_insn(env, ctx, ASE_MT);
4737 gen_helper_mtc0_tcstatus(arg);
4741 check_insn(env, ctx, ASE_MT);
4742 gen_helper_mtc0_tcbind(arg);
4746 check_insn(env, ctx, ASE_MT);
4747 gen_helper_mtc0_tcrestart(arg);
4751 check_insn(env, ctx, ASE_MT);
4752 gen_helper_mtc0_tchalt(arg);
4756 check_insn(env, ctx, ASE_MT);
4757 gen_helper_mtc0_tccontext(arg);
4761 check_insn(env, ctx, ASE_MT);
4762 gen_helper_mtc0_tcschedule(arg);
4766 check_insn(env, ctx, ASE_MT);
4767 gen_helper_mtc0_tcschefback(arg);
4777 gen_helper_mtc0_entrylo1(arg);
4787 gen_helper_mtc0_context(arg);
4791 // gen_helper_mtc0_contextconfig(arg); /* SmartMIPS ASE */
4792 rn = "ContextConfig";
4801 gen_helper_mtc0_pagemask(arg);
4805 check_insn(env, ctx, ISA_MIPS32R2);
4806 gen_helper_mtc0_pagegrain(arg);
4816 gen_helper_mtc0_wired(arg);
4820 check_insn(env, ctx, ISA_MIPS32R2);
4821 gen_helper_mtc0_srsconf0(arg);
4825 check_insn(env, ctx, ISA_MIPS32R2);
4826 gen_helper_mtc0_srsconf1(arg);
4830 check_insn(env, ctx, ISA_MIPS32R2);
4831 gen_helper_mtc0_srsconf2(arg);
4835 check_insn(env, ctx, ISA_MIPS32R2);
4836 gen_helper_mtc0_srsconf3(arg);
4840 check_insn(env, ctx, ISA_MIPS32R2);
4841 gen_helper_mtc0_srsconf4(arg);
4851 check_insn(env, ctx, ISA_MIPS32R2);
4852 gen_helper_mtc0_hwrena(arg);
4866 gen_helper_mtc0_count(arg);
4869 /* 6,7 are implementation dependent */
4873 /* Stop translation as we may have switched the execution mode */
4874 ctx->bstate = BS_STOP;
4879 gen_helper_mtc0_entryhi(arg);
4889 gen_helper_mtc0_compare(arg);
4892 /* 6,7 are implementation dependent */
4896 /* Stop translation as we may have switched the execution mode */
4897 ctx->bstate = BS_STOP;
4902 save_cpu_state(ctx, 1);
4903 gen_helper_mtc0_status(arg);
4904 /* BS_STOP isn't good enough here, hflags may have changed. */
4905 gen_save_pc(ctx->pc + 4);
4906 ctx->bstate = BS_EXCP;
4910 check_insn(env, ctx, ISA_MIPS32R2);
4911 gen_helper_mtc0_intctl(arg);
4912 /* Stop translation as we may have switched the execution mode */
4913 ctx->bstate = BS_STOP;
4917 check_insn(env, ctx, ISA_MIPS32R2);
4918 gen_helper_mtc0_srsctl(arg);
4919 /* Stop translation as we may have switched the execution mode */
4920 ctx->bstate = BS_STOP;
4924 check_insn(env, ctx, ISA_MIPS32R2);
4925 gen_mtc0_store32(arg, offsetof(CPUState, CP0_SRSMap));
4926 /* Stop translation as we may have switched the execution mode */
4927 ctx->bstate = BS_STOP;
4937 save_cpu_state(ctx, 1);
4938 gen_helper_mtc0_cause(arg);
4948 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_EPC));
4962 check_insn(env, ctx, ISA_MIPS32R2);
4963 gen_helper_mtc0_ebase(arg);
4973 gen_helper_mtc0_config0(arg);
4975 /* Stop translation as we may have switched the execution mode */
4976 ctx->bstate = BS_STOP;
4979 /* ignored, read only */
4983 gen_helper_mtc0_config2(arg);
4985 /* Stop translation as we may have switched the execution mode */
4986 ctx->bstate = BS_STOP;
4992 /* 6,7 are implementation dependent */
4994 rn = "Invalid config selector";
5011 gen_helper_1i(mtc0_watchlo, arg, sel);
5021 gen_helper_1i(mtc0_watchhi, arg, sel);
5031 check_insn(env, ctx, ISA_MIPS3);
5032 gen_helper_mtc0_xcontext(arg);
5040 /* Officially reserved, but sel 0 is used for R1x000 framemask */
5043 gen_helper_mtc0_framemask(arg);
5052 rn = "Diagnostic"; /* implementation dependent */
5057 gen_helper_mtc0_debug(arg); /* EJTAG support */
5058 /* BS_STOP isn't good enough here, hflags may have changed. */
5059 gen_save_pc(ctx->pc + 4);
5060 ctx->bstate = BS_EXCP;
5064 // gen_helper_mtc0_tracecontrol(arg); /* PDtrace support */
5065 /* Stop translation as we may have switched the execution mode */
5066 ctx->bstate = BS_STOP;
5067 rn = "TraceControl";
5070 // gen_helper_mtc0_tracecontrol2(arg); /* PDtrace support */
5071 /* Stop translation as we may have switched the execution mode */
5072 ctx->bstate = BS_STOP;
5073 rn = "TraceControl2";
5076 // gen_helper_mtc0_usertracedata(arg); /* PDtrace support */
5077 /* Stop translation as we may have switched the execution mode */
5078 ctx->bstate = BS_STOP;
5079 rn = "UserTraceData";
5082 // gen_helper_mtc0_tracebpc(arg); /* PDtrace support */
5083 /* Stop translation as we may have switched the execution mode */
5084 ctx->bstate = BS_STOP;
5095 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_DEPC));
5105 gen_helper_mtc0_performance0(arg);
5106 rn = "Performance0";
5109 // gen_helper_mtc0_performance1(arg);
5110 rn = "Performance1";
5113 // gen_helper_mtc0_performance2(arg);
5114 rn = "Performance2";
5117 // gen_helper_mtc0_performance3(arg);
5118 rn = "Performance3";
5121 // gen_helper_mtc0_performance4(arg);
5122 rn = "Performance4";
5125 // gen_helper_mtc0_performance5(arg);
5126 rn = "Performance5";
5129 // gen_helper_mtc0_performance6(arg);
5130 rn = "Performance6";
5133 // gen_helper_mtc0_performance7(arg);
5134 rn = "Performance7";
5160 gen_helper_mtc0_taglo(arg);
5167 gen_helper_mtc0_datalo(arg);
5180 gen_helper_mtc0_taghi(arg);
5187 gen_helper_mtc0_datahi(arg);
5198 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_ErrorEPC));
5209 gen_mtc0_store32(arg, offsetof(CPUState, CP0_DESAVE));
5215 /* Stop translation as we may have switched the execution mode */
5216 ctx->bstate = BS_STOP;
5221 LOG_DISAS("dmtc0 %s (reg %d sel %d)\n", rn, reg, sel);
5222 /* For simplicity assume that all writes can cause interrupts. */
5225 ctx->bstate = BS_STOP;
5230 LOG_DISAS("dmtc0 %s (reg %d sel %d)\n", rn, reg, sel);
5231 generate_exception(ctx, EXCP_RI);
5233 #endif /* TARGET_MIPS64 */
5235 static void gen_mftr(CPUState *env, DisasContext *ctx, int rt, int rd,
5236 int u, int sel, int h)
5238 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
5239 TCGv t0 = tcg_temp_local_new();
5241 if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 &&
5242 ((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) !=
5243 (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE))))
5244 tcg_gen_movi_tl(t0, -1);
5245 else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) >
5246 (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
5247 tcg_gen_movi_tl(t0, -1);
5253 gen_helper_mftc0_tcstatus(t0);
5256 gen_helper_mftc0_tcbind(t0);
5259 gen_helper_mftc0_tcrestart(t0);
5262 gen_helper_mftc0_tchalt(t0);
5265 gen_helper_mftc0_tccontext(t0);
5268 gen_helper_mftc0_tcschedule(t0);
5271 gen_helper_mftc0_tcschefback(t0);
5274 gen_mfc0(env, ctx, t0, rt, sel);
5281 gen_helper_mftc0_entryhi(t0);
5284 gen_mfc0(env, ctx, t0, rt, sel);
5290 gen_helper_mftc0_status(t0);
5293 gen_mfc0(env, ctx, t0, rt, sel);
5299 gen_helper_mftc0_debug(t0);
5302 gen_mfc0(env, ctx, t0, rt, sel);
5307 gen_mfc0(env, ctx, t0, rt, sel);
5309 } else switch (sel) {
5310 /* GPR registers. */
5312 gen_helper_1i(mftgpr, t0, rt);
5314 /* Auxiliary CPU registers */
5318 gen_helper_1i(mftlo, t0, 0);
5321 gen_helper_1i(mfthi, t0, 0);
5324 gen_helper_1i(mftacx, t0, 0);
5327 gen_helper_1i(mftlo, t0, 1);
5330 gen_helper_1i(mfthi, t0, 1);
5333 gen_helper_1i(mftacx, t0, 1);
5336 gen_helper_1i(mftlo, t0, 2);
5339 gen_helper_1i(mfthi, t0, 2);
5342 gen_helper_1i(mftacx, t0, 2);
5345 gen_helper_1i(mftlo, t0, 3);
5348 gen_helper_1i(mfthi, t0, 3);
5351 gen_helper_1i(mftacx, t0, 3);
5354 gen_helper_mftdsp(t0);
5360 /* Floating point (COP1). */
5362 /* XXX: For now we support only a single FPU context. */
5364 TCGv_i32 fp0 = tcg_temp_new_i32();
5366 gen_load_fpr32(fp0, rt);
5367 tcg_gen_ext_i32_tl(t0, fp0);
5368 tcg_temp_free_i32(fp0);
5370 TCGv_i32 fp0 = tcg_temp_new_i32();
5372 gen_load_fpr32h(fp0, rt);
5373 tcg_gen_ext_i32_tl(t0, fp0);
5374 tcg_temp_free_i32(fp0);
5378 /* XXX: For now we support only a single FPU context. */
5379 gen_helper_1i(cfc1, t0, rt);
5381 /* COP2: Not implemented. */
5388 LOG_DISAS("mftr (reg %d u %d sel %d h %d)\n", rt, u, sel, h);
5389 gen_store_gpr(t0, rd);
5395 LOG_DISAS("mftr (reg %d u %d sel %d h %d)\n", rt, u, sel, h);
5396 generate_exception(ctx, EXCP_RI);
5399 static void gen_mttr(CPUState *env, DisasContext *ctx, int rd, int rt,
5400 int u, int sel, int h)
5402 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
5403 TCGv t0 = tcg_temp_local_new();
5405 gen_load_gpr(t0, rt);
5406 if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 &&
5407 ((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) !=
5408 (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE))))
5410 else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) >
5411 (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
5418 gen_helper_mttc0_tcstatus(t0);
5421 gen_helper_mttc0_tcbind(t0);
5424 gen_helper_mttc0_tcrestart(t0);
5427 gen_helper_mttc0_tchalt(t0);
5430 gen_helper_mttc0_tccontext(t0);
5433 gen_helper_mttc0_tcschedule(t0);
5436 gen_helper_mttc0_tcschefback(t0);
5439 gen_mtc0(env, ctx, t0, rd, sel);
5446 gen_helper_mttc0_entryhi(t0);
5449 gen_mtc0(env, ctx, t0, rd, sel);
5455 gen_helper_mttc0_status(t0);
5458 gen_mtc0(env, ctx, t0, rd, sel);
5464 gen_helper_mttc0_debug(t0);
5467 gen_mtc0(env, ctx, t0, rd, sel);
5472 gen_mtc0(env, ctx, t0, rd, sel);
5474 } else switch (sel) {
5475 /* GPR registers. */
5477 gen_helper_1i(mttgpr, t0, rd);
5479 /* Auxiliary CPU registers */
5483 gen_helper_1i(mttlo, t0, 0);
5486 gen_helper_1i(mtthi, t0, 0);
5489 gen_helper_1i(mttacx, t0, 0);
5492 gen_helper_1i(mttlo, t0, 1);
5495 gen_helper_1i(mtthi, t0, 1);
5498 gen_helper_1i(mttacx, t0, 1);
5501 gen_helper_1i(mttlo, t0, 2);
5504 gen_helper_1i(mtthi, t0, 2);
5507 gen_helper_1i(mttacx, t0, 2);
5510 gen_helper_1i(mttlo, t0, 3);
5513 gen_helper_1i(mtthi, t0, 3);
5516 gen_helper_1i(mttacx, t0, 3);
5519 gen_helper_mttdsp(t0);
5525 /* Floating point (COP1). */
5527 /* XXX: For now we support only a single FPU context. */
5529 TCGv_i32 fp0 = tcg_temp_new_i32();
5531 tcg_gen_trunc_tl_i32(fp0, t0);
5532 gen_store_fpr32(fp0, rd);
5533 tcg_temp_free_i32(fp0);
5535 TCGv_i32 fp0 = tcg_temp_new_i32();
5537 tcg_gen_trunc_tl_i32(fp0, t0);
5538 gen_store_fpr32h(fp0, rd);
5539 tcg_temp_free_i32(fp0);
5543 /* XXX: For now we support only a single FPU context. */
5544 gen_helper_1i(ctc1, t0, rd);
5546 /* COP2: Not implemented. */
5553 LOG_DISAS("mttr (reg %d u %d sel %d h %d)\n", rd, u, sel, h);
5559 LOG_DISAS("mttr (reg %d u %d sel %d h %d)\n", rd, u, sel, h);
5560 generate_exception(ctx, EXCP_RI);
5563 static void gen_cp0 (CPUState *env, DisasContext *ctx, uint32_t opc, int rt, int rd)
5565 const char *opn = "ldst";
5573 gen_mfc0(env, ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7);
5578 TCGv t0 = tcg_temp_new();
5580 gen_load_gpr(t0, rt);
5581 gen_mtc0(env, ctx, t0, rd, ctx->opcode & 0x7);
5586 #if defined(TARGET_MIPS64)
5588 check_insn(env, ctx, ISA_MIPS3);
5593 gen_dmfc0(env, ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7);
5597 check_insn(env, ctx, ISA_MIPS3);
5599 TCGv t0 = tcg_temp_new();
5601 gen_load_gpr(t0, rt);
5602 gen_dmtc0(env, ctx, t0, rd, ctx->opcode & 0x7);
5609 check_insn(env, ctx, ASE_MT);
5614 gen_mftr(env, ctx, rt, rd, (ctx->opcode >> 5) & 1,
5615 ctx->opcode & 0x7, (ctx->opcode >> 4) & 1);
5619 check_insn(env, ctx, ASE_MT);
5620 gen_mttr(env, ctx, rd, rt, (ctx->opcode >> 5) & 1,
5621 ctx->opcode & 0x7, (ctx->opcode >> 4) & 1);
5626 if (!env->tlb->helper_tlbwi)
5632 if (!env->tlb->helper_tlbwr)
5638 if (!env->tlb->helper_tlbp)
5644 if (!env->tlb->helper_tlbr)
5650 check_insn(env, ctx, ISA_MIPS2);
5652 ctx->bstate = BS_EXCP;
5656 check_insn(env, ctx, ISA_MIPS32);
5657 if (!(ctx->hflags & MIPS_HFLAG_DM)) {
5659 generate_exception(ctx, EXCP_RI);
5662 ctx->bstate = BS_EXCP;
5667 check_insn(env, ctx, ISA_MIPS3 | ISA_MIPS32);
5668 /* If we get an exception, we want to restart at next instruction */
5670 save_cpu_state(ctx, 1);
5673 ctx->bstate = BS_EXCP;
5678 generate_exception(ctx, EXCP_RI);
5681 MIPS_DEBUG("%s %s %d", opn, regnames[rt], rd);
5683 #endif /* !CONFIG_USER_ONLY */
5685 /* CP1 Branches (before delay slot) */
5686 static void gen_compute_branch1 (CPUState *env, DisasContext *ctx, uint32_t op,
5687 int32_t cc, int32_t offset)
5689 target_ulong btarget;
5690 const char *opn = "cp1 cond branch";
5691 TCGv_i32 t0 = tcg_temp_new_i32();
5694 check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32);
5696 btarget = ctx->pc + 4 + offset;
5700 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
5701 tcg_gen_not_i32(t0, t0);
5702 tcg_gen_andi_i32(t0, t0, 1);
5703 tcg_gen_extu_i32_tl(bcond, t0);
5707 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
5708 tcg_gen_not_i32(t0, t0);
5709 tcg_gen_andi_i32(t0, t0, 1);
5710 tcg_gen_extu_i32_tl(bcond, t0);
5714 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
5715 tcg_gen_andi_i32(t0, t0, 1);
5716 tcg_gen_extu_i32_tl(bcond, t0);
5720 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
5721 tcg_gen_andi_i32(t0, t0, 1);
5722 tcg_gen_extu_i32_tl(bcond, t0);
5725 ctx->hflags |= MIPS_HFLAG_BL;
5729 TCGv_i32 t1 = tcg_temp_new_i32();
5730 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
5731 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
5732 tcg_gen_or_i32(t0, t0, t1);
5733 tcg_temp_free_i32(t1);
5734 tcg_gen_not_i32(t0, t0);
5735 tcg_gen_andi_i32(t0, t0, 1);
5736 tcg_gen_extu_i32_tl(bcond, t0);
5742 TCGv_i32 t1 = tcg_temp_new_i32();
5743 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
5744 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
5745 tcg_gen_or_i32(t0, t0, t1);
5746 tcg_temp_free_i32(t1);
5747 tcg_gen_andi_i32(t0, t0, 1);
5748 tcg_gen_extu_i32_tl(bcond, t0);
5754 TCGv_i32 t1 = tcg_temp_new_i32();
5755 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
5756 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
5757 tcg_gen_or_i32(t0, t0, t1);
5758 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+2));
5759 tcg_gen_or_i32(t0, t0, t1);
5760 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+3));
5761 tcg_gen_or_i32(t0, t0, t1);
5762 tcg_temp_free_i32(t1);
5763 tcg_gen_not_i32(t0, t0);
5764 tcg_gen_andi_i32(t0, t0, 1);
5765 tcg_gen_extu_i32_tl(bcond, t0);
5771 TCGv_i32 t1 = tcg_temp_new_i32();
5772 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
5773 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
5774 tcg_gen_or_i32(t0, t0, t1);
5775 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+2));
5776 tcg_gen_or_i32(t0, t0, t1);
5777 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+3));
5778 tcg_gen_or_i32(t0, t0, t1);
5779 tcg_temp_free_i32(t1);
5780 tcg_gen_andi_i32(t0, t0, 1);
5781 tcg_gen_extu_i32_tl(bcond, t0);
5785 ctx->hflags |= MIPS_HFLAG_BC;
5789 generate_exception (ctx, EXCP_RI);
5792 MIPS_DEBUG("%s: cond %02x target " TARGET_FMT_lx, opn,
5793 ctx->hflags, btarget);
5794 ctx->btarget = btarget;
5797 tcg_temp_free_i32(t0);
5800 /* Coprocessor 1 (FPU) */
5802 #define FOP(func, fmt) (((fmt) << 21) | (func))
5804 static void gen_cp1 (DisasContext *ctx, uint32_t opc, int rt, int fs)
5806 const char *opn = "cp1 move";
5807 TCGv t0 = tcg_temp_new();
5812 TCGv_i32 fp0 = tcg_temp_new_i32();
5814 gen_load_fpr32(fp0, fs);
5815 tcg_gen_ext_i32_tl(t0, fp0);
5816 tcg_temp_free_i32(fp0);
5818 gen_store_gpr(t0, rt);
5822 gen_load_gpr(t0, rt);
5824 TCGv_i32 fp0 = tcg_temp_new_i32();
5826 tcg_gen_trunc_tl_i32(fp0, t0);
5827 gen_store_fpr32(fp0, fs);
5828 tcg_temp_free_i32(fp0);
5833 gen_helper_1i(cfc1, t0, fs);
5834 gen_store_gpr(t0, rt);
5838 gen_load_gpr(t0, rt);
5839 gen_helper_1i(ctc1, t0, fs);
5842 #if defined(TARGET_MIPS64)
5844 gen_load_fpr64(ctx, t0, fs);
5845 gen_store_gpr(t0, rt);
5849 gen_load_gpr(t0, rt);
5850 gen_store_fpr64(ctx, t0, fs);
5856 TCGv_i32 fp0 = tcg_temp_new_i32();
5858 gen_load_fpr32h(fp0, fs);
5859 tcg_gen_ext_i32_tl(t0, fp0);
5860 tcg_temp_free_i32(fp0);
5862 gen_store_gpr(t0, rt);
5866 gen_load_gpr(t0, rt);
5868 TCGv_i32 fp0 = tcg_temp_new_i32();
5870 tcg_gen_trunc_tl_i32(fp0, t0);
5871 gen_store_fpr32h(fp0, fs);
5872 tcg_temp_free_i32(fp0);
5878 generate_exception (ctx, EXCP_RI);
5881 MIPS_DEBUG("%s %s %s", opn, regnames[rt], fregnames[fs]);
5887 static void gen_movci (DisasContext *ctx, int rd, int rs, int cc, int tf)
5903 l1 = gen_new_label();
5904 t0 = tcg_temp_new_i32();
5905 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
5906 tcg_gen_brcondi_i32(cond, t0, 0, l1);
5907 tcg_temp_free_i32(t0);
5909 tcg_gen_movi_tl(cpu_gpr[rd], 0);
5911 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
5916 static inline void gen_movcf_s (int fs, int fd, int cc, int tf)
5919 TCGv_i32 t0 = tcg_temp_new_i32();
5920 int l1 = gen_new_label();
5927 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
5928 tcg_gen_brcondi_i32(cond, t0, 0, l1);
5929 gen_load_fpr32(t0, fs);
5930 gen_store_fpr32(t0, fd);
5932 tcg_temp_free_i32(t0);
5935 static inline void gen_movcf_d (DisasContext *ctx, int fs, int fd, int cc, int tf)
5938 TCGv_i32 t0 = tcg_temp_new_i32();
5940 int l1 = gen_new_label();
5947 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
5948 tcg_gen_brcondi_i32(cond, t0, 0, l1);
5949 tcg_temp_free_i32(t0);
5950 fp0 = tcg_temp_new_i64();
5951 gen_load_fpr64(ctx, fp0, fs);
5952 gen_store_fpr64(ctx, fp0, fd);
5953 tcg_temp_free_i64(fp0);
5957 static inline void gen_movcf_ps (int fs, int fd, int cc, int tf)
5960 TCGv_i32 t0 = tcg_temp_new_i32();
5961 int l1 = gen_new_label();
5962 int l2 = gen_new_label();
5969 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
5970 tcg_gen_brcondi_i32(cond, t0, 0, l1);
5971 gen_load_fpr32(t0, fs);
5972 gen_store_fpr32(t0, fd);
5975 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc+1));
5976 tcg_gen_brcondi_i32(cond, t0, 0, l2);
5977 gen_load_fpr32h(t0, fs);
5978 gen_store_fpr32h(t0, fd);
5979 tcg_temp_free_i32(t0);
5984 static void gen_farith (DisasContext *ctx, uint32_t op1,
5985 int ft, int fs, int fd, int cc)
5987 const char *opn = "farith";
5988 const char *condnames[] = {
6006 const char *condnames_abs[] = {
6024 enum { BINOP, CMPOP, OTHEROP } optype = OTHEROP;
6025 uint32_t func = ctx->opcode & 0x3f;
6027 switch (ctx->opcode & FOP(0x3f, 0x1f)) {
6030 TCGv_i32 fp0 = tcg_temp_new_i32();
6031 TCGv_i32 fp1 = tcg_temp_new_i32();
6033 gen_load_fpr32(fp0, fs);
6034 gen_load_fpr32(fp1, ft);
6035 gen_helper_float_add_s(fp0, fp0, fp1);
6036 tcg_temp_free_i32(fp1);
6037 gen_store_fpr32(fp0, fd);
6038 tcg_temp_free_i32(fp0);
6045 TCGv_i32 fp0 = tcg_temp_new_i32();
6046 TCGv_i32 fp1 = tcg_temp_new_i32();
6048 gen_load_fpr32(fp0, fs);
6049 gen_load_fpr32(fp1, ft);
6050 gen_helper_float_sub_s(fp0, fp0, fp1);
6051 tcg_temp_free_i32(fp1);
6052 gen_store_fpr32(fp0, fd);
6053 tcg_temp_free_i32(fp0);
6060 TCGv_i32 fp0 = tcg_temp_new_i32();
6061 TCGv_i32 fp1 = tcg_temp_new_i32();
6063 gen_load_fpr32(fp0, fs);
6064 gen_load_fpr32(fp1, ft);
6065 gen_helper_float_mul_s(fp0, fp0, fp1);
6066 tcg_temp_free_i32(fp1);
6067 gen_store_fpr32(fp0, fd);
6068 tcg_temp_free_i32(fp0);
6075 TCGv_i32 fp0 = tcg_temp_new_i32();
6076 TCGv_i32 fp1 = tcg_temp_new_i32();
6078 gen_load_fpr32(fp0, fs);
6079 gen_load_fpr32(fp1, ft);
6080 gen_helper_float_div_s(fp0, fp0, fp1);
6081 tcg_temp_free_i32(fp1);
6082 gen_store_fpr32(fp0, fd);
6083 tcg_temp_free_i32(fp0);
6090 TCGv_i32 fp0 = tcg_temp_new_i32();
6092 gen_load_fpr32(fp0, fs);
6093 gen_helper_float_sqrt_s(fp0, fp0);
6094 gen_store_fpr32(fp0, fd);
6095 tcg_temp_free_i32(fp0);
6101 TCGv_i32 fp0 = tcg_temp_new_i32();
6103 gen_load_fpr32(fp0, fs);
6104 gen_helper_float_abs_s(fp0, fp0);
6105 gen_store_fpr32(fp0, fd);
6106 tcg_temp_free_i32(fp0);
6112 TCGv_i32 fp0 = tcg_temp_new_i32();
6114 gen_load_fpr32(fp0, fs);
6115 gen_store_fpr32(fp0, fd);
6116 tcg_temp_free_i32(fp0);
6122 TCGv_i32 fp0 = tcg_temp_new_i32();
6124 gen_load_fpr32(fp0, fs);
6125 gen_helper_float_chs_s(fp0, fp0);
6126 gen_store_fpr32(fp0, fd);
6127 tcg_temp_free_i32(fp0);
6132 check_cp1_64bitmode(ctx);
6134 TCGv_i32 fp32 = tcg_temp_new_i32();
6135 TCGv_i64 fp64 = tcg_temp_new_i64();
6137 gen_load_fpr32(fp32, fs);
6138 gen_helper_float_roundl_s(fp64, fp32);
6139 tcg_temp_free_i32(fp32);
6140 gen_store_fpr64(ctx, fp64, fd);
6141 tcg_temp_free_i64(fp64);
6146 check_cp1_64bitmode(ctx);
6148 TCGv_i32 fp32 = tcg_temp_new_i32();
6149 TCGv_i64 fp64 = tcg_temp_new_i64();
6151 gen_load_fpr32(fp32, fs);
6152 gen_helper_float_truncl_s(fp64, fp32);
6153 tcg_temp_free_i32(fp32);
6154 gen_store_fpr64(ctx, fp64, fd);
6155 tcg_temp_free_i64(fp64);
6160 check_cp1_64bitmode(ctx);
6162 TCGv_i32 fp32 = tcg_temp_new_i32();
6163 TCGv_i64 fp64 = tcg_temp_new_i64();
6165 gen_load_fpr32(fp32, fs);
6166 gen_helper_float_ceill_s(fp64, fp32);
6167 tcg_temp_free_i32(fp32);
6168 gen_store_fpr64(ctx, fp64, fd);
6169 tcg_temp_free_i64(fp64);
6174 check_cp1_64bitmode(ctx);
6176 TCGv_i32 fp32 = tcg_temp_new_i32();
6177 TCGv_i64 fp64 = tcg_temp_new_i64();
6179 gen_load_fpr32(fp32, fs);
6180 gen_helper_float_floorl_s(fp64, fp32);
6181 tcg_temp_free_i32(fp32);
6182 gen_store_fpr64(ctx, fp64, fd);
6183 tcg_temp_free_i64(fp64);
6189 TCGv_i32 fp0 = tcg_temp_new_i32();
6191 gen_load_fpr32(fp0, fs);
6192 gen_helper_float_roundw_s(fp0, fp0);
6193 gen_store_fpr32(fp0, fd);
6194 tcg_temp_free_i32(fp0);
6200 TCGv_i32 fp0 = tcg_temp_new_i32();
6202 gen_load_fpr32(fp0, fs);
6203 gen_helper_float_truncw_s(fp0, fp0);
6204 gen_store_fpr32(fp0, fd);
6205 tcg_temp_free_i32(fp0);
6211 TCGv_i32 fp0 = tcg_temp_new_i32();
6213 gen_load_fpr32(fp0, fs);
6214 gen_helper_float_ceilw_s(fp0, fp0);
6215 gen_store_fpr32(fp0, fd);
6216 tcg_temp_free_i32(fp0);
6222 TCGv_i32 fp0 = tcg_temp_new_i32();
6224 gen_load_fpr32(fp0, fs);
6225 gen_helper_float_floorw_s(fp0, fp0);
6226 gen_store_fpr32(fp0, fd);
6227 tcg_temp_free_i32(fp0);
6232 gen_movcf_s(fs, fd, (ft >> 2) & 0x7, ft & 0x1);
6237 int l1 = gen_new_label();
6241 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
6243 fp0 = tcg_temp_new_i32();
6244 gen_load_fpr32(fp0, fs);
6245 gen_store_fpr32(fp0, fd);
6246 tcg_temp_free_i32(fp0);
6253 int l1 = gen_new_label();
6257 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
6258 fp0 = tcg_temp_new_i32();
6259 gen_load_fpr32(fp0, fs);
6260 gen_store_fpr32(fp0, fd);
6261 tcg_temp_free_i32(fp0);
6270 TCGv_i32 fp0 = tcg_temp_new_i32();
6272 gen_load_fpr32(fp0, fs);
6273 gen_helper_float_recip_s(fp0, fp0);
6274 gen_store_fpr32(fp0, fd);
6275 tcg_temp_free_i32(fp0);
6282 TCGv_i32 fp0 = tcg_temp_new_i32();
6284 gen_load_fpr32(fp0, fs);
6285 gen_helper_float_rsqrt_s(fp0, fp0);
6286 gen_store_fpr32(fp0, fd);
6287 tcg_temp_free_i32(fp0);
6292 check_cp1_64bitmode(ctx);
6294 TCGv_i32 fp0 = tcg_temp_new_i32();
6295 TCGv_i32 fp1 = tcg_temp_new_i32();
6297 gen_load_fpr32(fp0, fs);
6298 gen_load_fpr32(fp1, fd);
6299 gen_helper_float_recip2_s(fp0, fp0, fp1);
6300 tcg_temp_free_i32(fp1);
6301 gen_store_fpr32(fp0, fd);
6302 tcg_temp_free_i32(fp0);
6307 check_cp1_64bitmode(ctx);
6309 TCGv_i32 fp0 = tcg_temp_new_i32();
6311 gen_load_fpr32(fp0, fs);
6312 gen_helper_float_recip1_s(fp0, fp0);
6313 gen_store_fpr32(fp0, fd);
6314 tcg_temp_free_i32(fp0);
6319 check_cp1_64bitmode(ctx);
6321 TCGv_i32 fp0 = tcg_temp_new_i32();
6323 gen_load_fpr32(fp0, fs);
6324 gen_helper_float_rsqrt1_s(fp0, fp0);
6325 gen_store_fpr32(fp0, fd);
6326 tcg_temp_free_i32(fp0);
6331 check_cp1_64bitmode(ctx);
6333 TCGv_i32 fp0 = tcg_temp_new_i32();
6334 TCGv_i32 fp1 = tcg_temp_new_i32();
6336 gen_load_fpr32(fp0, fs);
6337 gen_load_fpr32(fp1, ft);
6338 gen_helper_float_rsqrt2_s(fp0, fp0, fp1);
6339 tcg_temp_free_i32(fp1);
6340 gen_store_fpr32(fp0, fd);
6341 tcg_temp_free_i32(fp0);
6346 check_cp1_registers(ctx, fd);
6348 TCGv_i32 fp32 = tcg_temp_new_i32();
6349 TCGv_i64 fp64 = tcg_temp_new_i64();
6351 gen_load_fpr32(fp32, fs);
6352 gen_helper_float_cvtd_s(fp64, fp32);
6353 tcg_temp_free_i32(fp32);
6354 gen_store_fpr64(ctx, fp64, fd);
6355 tcg_temp_free_i64(fp64);
6361 TCGv_i32 fp0 = tcg_temp_new_i32();
6363 gen_load_fpr32(fp0, fs);
6364 gen_helper_float_cvtw_s(fp0, fp0);
6365 gen_store_fpr32(fp0, fd);
6366 tcg_temp_free_i32(fp0);
6371 check_cp1_64bitmode(ctx);
6373 TCGv_i32 fp32 = tcg_temp_new_i32();
6374 TCGv_i64 fp64 = tcg_temp_new_i64();
6376 gen_load_fpr32(fp32, fs);
6377 gen_helper_float_cvtl_s(fp64, fp32);
6378 tcg_temp_free_i32(fp32);
6379 gen_store_fpr64(ctx, fp64, fd);
6380 tcg_temp_free_i64(fp64);
6385 check_cp1_64bitmode(ctx);
6387 TCGv_i64 fp64 = tcg_temp_new_i64();
6388 TCGv_i32 fp32_0 = tcg_temp_new_i32();
6389 TCGv_i32 fp32_1 = tcg_temp_new_i32();
6391 gen_load_fpr32(fp32_0, fs);
6392 gen_load_fpr32(fp32_1, ft);
6393 tcg_gen_concat_i32_i64(fp64, fp32_0, fp32_1);
6394 tcg_temp_free_i32(fp32_1);
6395 tcg_temp_free_i32(fp32_0);
6396 gen_store_fpr64(ctx, fp64, fd);
6397 tcg_temp_free_i64(fp64);
6418 TCGv_i32 fp0 = tcg_temp_new_i32();
6419 TCGv_i32 fp1 = tcg_temp_new_i32();
6421 gen_load_fpr32(fp0, fs);
6422 gen_load_fpr32(fp1, ft);
6423 if (ctx->opcode & (1 << 6)) {
6425 gen_cmpabs_s(func-48, fp0, fp1, cc);
6426 opn = condnames_abs[func-48];
6428 gen_cmp_s(func-48, fp0, fp1, cc);
6429 opn = condnames[func-48];
6431 tcg_temp_free_i32(fp0);
6432 tcg_temp_free_i32(fp1);
6436 check_cp1_registers(ctx, fs | ft | fd);
6438 TCGv_i64 fp0 = tcg_temp_new_i64();
6439 TCGv_i64 fp1 = tcg_temp_new_i64();
6441 gen_load_fpr64(ctx, fp0, fs);
6442 gen_load_fpr64(ctx, fp1, ft);
6443 gen_helper_float_add_d(fp0, fp0, fp1);
6444 tcg_temp_free_i64(fp1);
6445 gen_store_fpr64(ctx, fp0, fd);
6446 tcg_temp_free_i64(fp0);
6452 check_cp1_registers(ctx, fs | ft | fd);
6454 TCGv_i64 fp0 = tcg_temp_new_i64();
6455 TCGv_i64 fp1 = tcg_temp_new_i64();
6457 gen_load_fpr64(ctx, fp0, fs);
6458 gen_load_fpr64(ctx, fp1, ft);
6459 gen_helper_float_sub_d(fp0, fp0, fp1);
6460 tcg_temp_free_i64(fp1);
6461 gen_store_fpr64(ctx, fp0, fd);
6462 tcg_temp_free_i64(fp0);
6468 check_cp1_registers(ctx, fs | ft | fd);
6470 TCGv_i64 fp0 = tcg_temp_new_i64();
6471 TCGv_i64 fp1 = tcg_temp_new_i64();
6473 gen_load_fpr64(ctx, fp0, fs);
6474 gen_load_fpr64(ctx, fp1, ft);
6475 gen_helper_float_mul_d(fp0, fp0, fp1);
6476 tcg_temp_free_i64(fp1);
6477 gen_store_fpr64(ctx, fp0, fd);
6478 tcg_temp_free_i64(fp0);
6484 check_cp1_registers(ctx, fs | ft | fd);
6486 TCGv_i64 fp0 = tcg_temp_new_i64();
6487 TCGv_i64 fp1 = tcg_temp_new_i64();
6489 gen_load_fpr64(ctx, fp0, fs);
6490 gen_load_fpr64(ctx, fp1, ft);
6491 gen_helper_float_div_d(fp0, fp0, fp1);
6492 tcg_temp_free_i64(fp1);
6493 gen_store_fpr64(ctx, fp0, fd);
6494 tcg_temp_free_i64(fp0);
6500 check_cp1_registers(ctx, fs | fd);
6502 TCGv_i64 fp0 = tcg_temp_new_i64();
6504 gen_load_fpr64(ctx, fp0, fs);
6505 gen_helper_float_sqrt_d(fp0, fp0);
6506 gen_store_fpr64(ctx, fp0, fd);
6507 tcg_temp_free_i64(fp0);
6512 check_cp1_registers(ctx, fs | fd);
6514 TCGv_i64 fp0 = tcg_temp_new_i64();
6516 gen_load_fpr64(ctx, fp0, fs);
6517 gen_helper_float_abs_d(fp0, fp0);
6518 gen_store_fpr64(ctx, fp0, fd);
6519 tcg_temp_free_i64(fp0);
6524 check_cp1_registers(ctx, fs | fd);
6526 TCGv_i64 fp0 = tcg_temp_new_i64();
6528 gen_load_fpr64(ctx, fp0, fs);
6529 gen_store_fpr64(ctx, fp0, fd);
6530 tcg_temp_free_i64(fp0);
6535 check_cp1_registers(ctx, fs | fd);
6537 TCGv_i64 fp0 = tcg_temp_new_i64();
6539 gen_load_fpr64(ctx, fp0, fs);
6540 gen_helper_float_chs_d(fp0, fp0);
6541 gen_store_fpr64(ctx, fp0, fd);
6542 tcg_temp_free_i64(fp0);
6547 check_cp1_64bitmode(ctx);
6549 TCGv_i64 fp0 = tcg_temp_new_i64();
6551 gen_load_fpr64(ctx, fp0, fs);
6552 gen_helper_float_roundl_d(fp0, fp0);
6553 gen_store_fpr64(ctx, fp0, fd);
6554 tcg_temp_free_i64(fp0);
6559 check_cp1_64bitmode(ctx);
6561 TCGv_i64 fp0 = tcg_temp_new_i64();
6563 gen_load_fpr64(ctx, fp0, fs);
6564 gen_helper_float_truncl_d(fp0, fp0);
6565 gen_store_fpr64(ctx, fp0, fd);
6566 tcg_temp_free_i64(fp0);
6571 check_cp1_64bitmode(ctx);
6573 TCGv_i64 fp0 = tcg_temp_new_i64();
6575 gen_load_fpr64(ctx, fp0, fs);
6576 gen_helper_float_ceill_d(fp0, fp0);
6577 gen_store_fpr64(ctx, fp0, fd);
6578 tcg_temp_free_i64(fp0);
6583 check_cp1_64bitmode(ctx);
6585 TCGv_i64 fp0 = tcg_temp_new_i64();
6587 gen_load_fpr64(ctx, fp0, fs);
6588 gen_helper_float_floorl_d(fp0, fp0);
6589 gen_store_fpr64(ctx, fp0, fd);
6590 tcg_temp_free_i64(fp0);
6595 check_cp1_registers(ctx, fs);
6597 TCGv_i32 fp32 = tcg_temp_new_i32();
6598 TCGv_i64 fp64 = tcg_temp_new_i64();
6600 gen_load_fpr64(ctx, fp64, fs);
6601 gen_helper_float_roundw_d(fp32, fp64);
6602 tcg_temp_free_i64(fp64);
6603 gen_store_fpr32(fp32, fd);
6604 tcg_temp_free_i32(fp32);
6609 check_cp1_registers(ctx, fs);
6611 TCGv_i32 fp32 = tcg_temp_new_i32();
6612 TCGv_i64 fp64 = tcg_temp_new_i64();
6614 gen_load_fpr64(ctx, fp64, fs);
6615 gen_helper_float_truncw_d(fp32, fp64);
6616 tcg_temp_free_i64(fp64);
6617 gen_store_fpr32(fp32, fd);
6618 tcg_temp_free_i32(fp32);
6623 check_cp1_registers(ctx, fs);
6625 TCGv_i32 fp32 = tcg_temp_new_i32();
6626 TCGv_i64 fp64 = tcg_temp_new_i64();
6628 gen_load_fpr64(ctx, fp64, fs);
6629 gen_helper_float_ceilw_d(fp32, fp64);
6630 tcg_temp_free_i64(fp64);
6631 gen_store_fpr32(fp32, fd);
6632 tcg_temp_free_i32(fp32);
6637 check_cp1_registers(ctx, fs);
6639 TCGv_i32 fp32 = tcg_temp_new_i32();
6640 TCGv_i64 fp64 = tcg_temp_new_i64();
6642 gen_load_fpr64(ctx, fp64, fs);
6643 gen_helper_float_floorw_d(fp32, fp64);
6644 tcg_temp_free_i64(fp64);
6645 gen_store_fpr32(fp32, fd);
6646 tcg_temp_free_i32(fp32);
6651 gen_movcf_d(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1);
6656 int l1 = gen_new_label();
6660 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
6662 fp0 = tcg_temp_new_i64();
6663 gen_load_fpr64(ctx, fp0, fs);
6664 gen_store_fpr64(ctx, fp0, fd);
6665 tcg_temp_free_i64(fp0);
6672 int l1 = gen_new_label();
6676 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
6677 fp0 = tcg_temp_new_i64();
6678 gen_load_fpr64(ctx, fp0, fs);
6679 gen_store_fpr64(ctx, fp0, fd);
6680 tcg_temp_free_i64(fp0);
6687 check_cp1_64bitmode(ctx);
6689 TCGv_i64 fp0 = tcg_temp_new_i64();
6691 gen_load_fpr64(ctx, fp0, fs);
6692 gen_helper_float_recip_d(fp0, fp0);
6693 gen_store_fpr64(ctx, fp0, fd);
6694 tcg_temp_free_i64(fp0);
6699 check_cp1_64bitmode(ctx);
6701 TCGv_i64 fp0 = tcg_temp_new_i64();
6703 gen_load_fpr64(ctx, fp0, fs);
6704 gen_helper_float_rsqrt_d(fp0, fp0);
6705 gen_store_fpr64(ctx, fp0, fd);
6706 tcg_temp_free_i64(fp0);
6711 check_cp1_64bitmode(ctx);
6713 TCGv_i64 fp0 = tcg_temp_new_i64();
6714 TCGv_i64 fp1 = tcg_temp_new_i64();
6716 gen_load_fpr64(ctx, fp0, fs);
6717 gen_load_fpr64(ctx, fp1, ft);
6718 gen_helper_float_recip2_d(fp0, fp0, fp1);
6719 tcg_temp_free_i64(fp1);
6720 gen_store_fpr64(ctx, fp0, fd);
6721 tcg_temp_free_i64(fp0);
6726 check_cp1_64bitmode(ctx);
6728 TCGv_i64 fp0 = tcg_temp_new_i64();
6730 gen_load_fpr64(ctx, fp0, fs);
6731 gen_helper_float_recip1_d(fp0, fp0);
6732 gen_store_fpr64(ctx, fp0, fd);
6733 tcg_temp_free_i64(fp0);
6738 check_cp1_64bitmode(ctx);
6740 TCGv_i64 fp0 = tcg_temp_new_i64();
6742 gen_load_fpr64(ctx, fp0, fs);
6743 gen_helper_float_rsqrt1_d(fp0, fp0);
6744 gen_store_fpr64(ctx, fp0, fd);
6745 tcg_temp_free_i64(fp0);
6750 check_cp1_64bitmode(ctx);
6752 TCGv_i64 fp0 = tcg_temp_new_i64();
6753 TCGv_i64 fp1 = tcg_temp_new_i64();
6755 gen_load_fpr64(ctx, fp0, fs);
6756 gen_load_fpr64(ctx, fp1, ft);
6757 gen_helper_float_rsqrt2_d(fp0, fp0, fp1);
6758 tcg_temp_free_i64(fp1);
6759 gen_store_fpr64(ctx, fp0, fd);
6760 tcg_temp_free_i64(fp0);
6781 TCGv_i64 fp0 = tcg_temp_new_i64();
6782 TCGv_i64 fp1 = tcg_temp_new_i64();
6784 gen_load_fpr64(ctx, fp0, fs);
6785 gen_load_fpr64(ctx, fp1, ft);
6786 if (ctx->opcode & (1 << 6)) {
6788 check_cp1_registers(ctx, fs | ft);
6789 gen_cmpabs_d(func-48, fp0, fp1, cc);
6790 opn = condnames_abs[func-48];
6792 check_cp1_registers(ctx, fs | ft);
6793 gen_cmp_d(func-48, fp0, fp1, cc);
6794 opn = condnames[func-48];
6796 tcg_temp_free_i64(fp0);
6797 tcg_temp_free_i64(fp1);
6801 check_cp1_registers(ctx, fs);
6803 TCGv_i32 fp32 = tcg_temp_new_i32();
6804 TCGv_i64 fp64 = tcg_temp_new_i64();
6806 gen_load_fpr64(ctx, fp64, fs);
6807 gen_helper_float_cvts_d(fp32, fp64);
6808 tcg_temp_free_i64(fp64);
6809 gen_store_fpr32(fp32, fd);
6810 tcg_temp_free_i32(fp32);
6815 check_cp1_registers(ctx, fs);
6817 TCGv_i32 fp32 = tcg_temp_new_i32();
6818 TCGv_i64 fp64 = tcg_temp_new_i64();
6820 gen_load_fpr64(ctx, fp64, fs);
6821 gen_helper_float_cvtw_d(fp32, fp64);
6822 tcg_temp_free_i64(fp64);
6823 gen_store_fpr32(fp32, fd);
6824 tcg_temp_free_i32(fp32);
6829 check_cp1_64bitmode(ctx);
6831 TCGv_i64 fp0 = tcg_temp_new_i64();
6833 gen_load_fpr64(ctx, fp0, fs);
6834 gen_helper_float_cvtl_d(fp0, fp0);
6835 gen_store_fpr64(ctx, fp0, fd);
6836 tcg_temp_free_i64(fp0);
6842 TCGv_i32 fp0 = tcg_temp_new_i32();
6844 gen_load_fpr32(fp0, fs);
6845 gen_helper_float_cvts_w(fp0, fp0);
6846 gen_store_fpr32(fp0, fd);
6847 tcg_temp_free_i32(fp0);
6852 check_cp1_registers(ctx, fd);
6854 TCGv_i32 fp32 = tcg_temp_new_i32();
6855 TCGv_i64 fp64 = tcg_temp_new_i64();
6857 gen_load_fpr32(fp32, fs);
6858 gen_helper_float_cvtd_w(fp64, fp32);
6859 tcg_temp_free_i32(fp32);
6860 gen_store_fpr64(ctx, fp64, fd);
6861 tcg_temp_free_i64(fp64);
6866 check_cp1_64bitmode(ctx);
6868 TCGv_i32 fp32 = tcg_temp_new_i32();
6869 TCGv_i64 fp64 = tcg_temp_new_i64();
6871 gen_load_fpr64(ctx, fp64, fs);
6872 gen_helper_float_cvts_l(fp32, fp64);
6873 tcg_temp_free_i64(fp64);
6874 gen_store_fpr32(fp32, fd);
6875 tcg_temp_free_i32(fp32);
6880 check_cp1_64bitmode(ctx);
6882 TCGv_i64 fp0 = tcg_temp_new_i64();
6884 gen_load_fpr64(ctx, fp0, fs);
6885 gen_helper_float_cvtd_l(fp0, fp0);
6886 gen_store_fpr64(ctx, fp0, fd);
6887 tcg_temp_free_i64(fp0);
6892 check_cp1_64bitmode(ctx);
6894 TCGv_i64 fp0 = tcg_temp_new_i64();
6896 gen_load_fpr64(ctx, fp0, fs);
6897 gen_helper_float_cvtps_pw(fp0, fp0);
6898 gen_store_fpr64(ctx, fp0, fd);
6899 tcg_temp_free_i64(fp0);
6904 check_cp1_64bitmode(ctx);
6906 TCGv_i64 fp0 = tcg_temp_new_i64();
6907 TCGv_i64 fp1 = tcg_temp_new_i64();
6909 gen_load_fpr64(ctx, fp0, fs);
6910 gen_load_fpr64(ctx, fp1, ft);
6911 gen_helper_float_add_ps(fp0, fp0, fp1);
6912 tcg_temp_free_i64(fp1);
6913 gen_store_fpr64(ctx, fp0, fd);
6914 tcg_temp_free_i64(fp0);
6919 check_cp1_64bitmode(ctx);
6921 TCGv_i64 fp0 = tcg_temp_new_i64();
6922 TCGv_i64 fp1 = tcg_temp_new_i64();
6924 gen_load_fpr64(ctx, fp0, fs);
6925 gen_load_fpr64(ctx, fp1, ft);
6926 gen_helper_float_sub_ps(fp0, fp0, fp1);
6927 tcg_temp_free_i64(fp1);
6928 gen_store_fpr64(ctx, fp0, fd);
6929 tcg_temp_free_i64(fp0);
6934 check_cp1_64bitmode(ctx);
6936 TCGv_i64 fp0 = tcg_temp_new_i64();
6937 TCGv_i64 fp1 = tcg_temp_new_i64();
6939 gen_load_fpr64(ctx, fp0, fs);
6940 gen_load_fpr64(ctx, fp1, ft);
6941 gen_helper_float_mul_ps(fp0, fp0, fp1);
6942 tcg_temp_free_i64(fp1);
6943 gen_store_fpr64(ctx, fp0, fd);
6944 tcg_temp_free_i64(fp0);
6949 check_cp1_64bitmode(ctx);
6951 TCGv_i64 fp0 = tcg_temp_new_i64();
6953 gen_load_fpr64(ctx, fp0, fs);
6954 gen_helper_float_abs_ps(fp0, fp0);
6955 gen_store_fpr64(ctx, fp0, fd);
6956 tcg_temp_free_i64(fp0);
6961 check_cp1_64bitmode(ctx);
6963 TCGv_i64 fp0 = tcg_temp_new_i64();
6965 gen_load_fpr64(ctx, fp0, fs);
6966 gen_store_fpr64(ctx, fp0, fd);
6967 tcg_temp_free_i64(fp0);
6972 check_cp1_64bitmode(ctx);
6974 TCGv_i64 fp0 = tcg_temp_new_i64();
6976 gen_load_fpr64(ctx, fp0, fs);
6977 gen_helper_float_chs_ps(fp0, fp0);
6978 gen_store_fpr64(ctx, fp0, fd);
6979 tcg_temp_free_i64(fp0);
6984 check_cp1_64bitmode(ctx);
6985 gen_movcf_ps(fs, fd, (ft >> 2) & 0x7, ft & 0x1);
6989 check_cp1_64bitmode(ctx);
6991 int l1 = gen_new_label();
6995 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
6996 fp0 = tcg_temp_new_i64();
6997 gen_load_fpr64(ctx, fp0, fs);
6998 gen_store_fpr64(ctx, fp0, fd);
6999 tcg_temp_free_i64(fp0);
7005 check_cp1_64bitmode(ctx);
7007 int l1 = gen_new_label();
7011 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
7012 fp0 = tcg_temp_new_i64();
7013 gen_load_fpr64(ctx, fp0, fs);
7014 gen_store_fpr64(ctx, fp0, fd);
7015 tcg_temp_free_i64(fp0);
7022 check_cp1_64bitmode(ctx);
7024 TCGv_i64 fp0 = tcg_temp_new_i64();
7025 TCGv_i64 fp1 = tcg_temp_new_i64();
7027 gen_load_fpr64(ctx, fp0, ft);
7028 gen_load_fpr64(ctx, fp1, fs);
7029 gen_helper_float_addr_ps(fp0, fp0, fp1);
7030 tcg_temp_free_i64(fp1);
7031 gen_store_fpr64(ctx, fp0, fd);
7032 tcg_temp_free_i64(fp0);
7037 check_cp1_64bitmode(ctx);
7039 TCGv_i64 fp0 = tcg_temp_new_i64();
7040 TCGv_i64 fp1 = tcg_temp_new_i64();
7042 gen_load_fpr64(ctx, fp0, ft);
7043 gen_load_fpr64(ctx, fp1, fs);
7044 gen_helper_float_mulr_ps(fp0, fp0, fp1);
7045 tcg_temp_free_i64(fp1);
7046 gen_store_fpr64(ctx, fp0, fd);
7047 tcg_temp_free_i64(fp0);
7052 check_cp1_64bitmode(ctx);
7054 TCGv_i64 fp0 = tcg_temp_new_i64();
7055 TCGv_i64 fp1 = tcg_temp_new_i64();
7057 gen_load_fpr64(ctx, fp0, fs);
7058 gen_load_fpr64(ctx, fp1, fd);
7059 gen_helper_float_recip2_ps(fp0, fp0, fp1);
7060 tcg_temp_free_i64(fp1);
7061 gen_store_fpr64(ctx, fp0, fd);
7062 tcg_temp_free_i64(fp0);
7067 check_cp1_64bitmode(ctx);
7069 TCGv_i64 fp0 = tcg_temp_new_i64();
7071 gen_load_fpr64(ctx, fp0, fs);
7072 gen_helper_float_recip1_ps(fp0, fp0);
7073 gen_store_fpr64(ctx, fp0, fd);
7074 tcg_temp_free_i64(fp0);
7079 check_cp1_64bitmode(ctx);
7081 TCGv_i64 fp0 = tcg_temp_new_i64();
7083 gen_load_fpr64(ctx, fp0, fs);
7084 gen_helper_float_rsqrt1_ps(fp0, fp0);
7085 gen_store_fpr64(ctx, fp0, fd);
7086 tcg_temp_free_i64(fp0);
7091 check_cp1_64bitmode(ctx);
7093 TCGv_i64 fp0 = tcg_temp_new_i64();
7094 TCGv_i64 fp1 = tcg_temp_new_i64();
7096 gen_load_fpr64(ctx, fp0, fs);
7097 gen_load_fpr64(ctx, fp1, ft);
7098 gen_helper_float_rsqrt2_ps(fp0, fp0, fp1);
7099 tcg_temp_free_i64(fp1);
7100 gen_store_fpr64(ctx, fp0, fd);
7101 tcg_temp_free_i64(fp0);
7106 check_cp1_64bitmode(ctx);
7108 TCGv_i32 fp0 = tcg_temp_new_i32();
7110 gen_load_fpr32h(fp0, fs);
7111 gen_helper_float_cvts_pu(fp0, fp0);
7112 gen_store_fpr32(fp0, fd);
7113 tcg_temp_free_i32(fp0);
7118 check_cp1_64bitmode(ctx);
7120 TCGv_i64 fp0 = tcg_temp_new_i64();
7122 gen_load_fpr64(ctx, fp0, fs);
7123 gen_helper_float_cvtpw_ps(fp0, fp0);
7124 gen_store_fpr64(ctx, fp0, fd);
7125 tcg_temp_free_i64(fp0);
7130 check_cp1_64bitmode(ctx);
7132 TCGv_i32 fp0 = tcg_temp_new_i32();
7134 gen_load_fpr32(fp0, fs);
7135 gen_helper_float_cvts_pl(fp0, fp0);
7136 gen_store_fpr32(fp0, fd);
7137 tcg_temp_free_i32(fp0);
7142 check_cp1_64bitmode(ctx);
7144 TCGv_i32 fp0 = tcg_temp_new_i32();
7145 TCGv_i32 fp1 = tcg_temp_new_i32();
7147 gen_load_fpr32(fp0, fs);
7148 gen_load_fpr32(fp1, ft);
7149 gen_store_fpr32h(fp0, fd);
7150 gen_store_fpr32(fp1, fd);
7151 tcg_temp_free_i32(fp0);
7152 tcg_temp_free_i32(fp1);
7157 check_cp1_64bitmode(ctx);
7159 TCGv_i32 fp0 = tcg_temp_new_i32();
7160 TCGv_i32 fp1 = tcg_temp_new_i32();
7162 gen_load_fpr32(fp0, fs);
7163 gen_load_fpr32h(fp1, ft);
7164 gen_store_fpr32(fp1, fd);
7165 gen_store_fpr32h(fp0, fd);
7166 tcg_temp_free_i32(fp0);
7167 tcg_temp_free_i32(fp1);
7172 check_cp1_64bitmode(ctx);
7174 TCGv_i32 fp0 = tcg_temp_new_i32();
7175 TCGv_i32 fp1 = tcg_temp_new_i32();
7177 gen_load_fpr32h(fp0, fs);
7178 gen_load_fpr32(fp1, ft);
7179 gen_store_fpr32(fp1, fd);
7180 gen_store_fpr32h(fp0, fd);
7181 tcg_temp_free_i32(fp0);
7182 tcg_temp_free_i32(fp1);
7187 check_cp1_64bitmode(ctx);
7189 TCGv_i32 fp0 = tcg_temp_new_i32();
7190 TCGv_i32 fp1 = tcg_temp_new_i32();
7192 gen_load_fpr32h(fp0, fs);
7193 gen_load_fpr32h(fp1, ft);
7194 gen_store_fpr32(fp1, fd);
7195 gen_store_fpr32h(fp0, fd);
7196 tcg_temp_free_i32(fp0);
7197 tcg_temp_free_i32(fp1);
7217 check_cp1_64bitmode(ctx);
7219 TCGv_i64 fp0 = tcg_temp_new_i64();
7220 TCGv_i64 fp1 = tcg_temp_new_i64();
7222 gen_load_fpr64(ctx, fp0, fs);
7223 gen_load_fpr64(ctx, fp1, ft);
7224 if (ctx->opcode & (1 << 6)) {
7225 gen_cmpabs_ps(func-48, fp0, fp1, cc);
7226 opn = condnames_abs[func-48];
7228 gen_cmp_ps(func-48, fp0, fp1, cc);
7229 opn = condnames[func-48];
7231 tcg_temp_free_i64(fp0);
7232 tcg_temp_free_i64(fp1);
7237 generate_exception (ctx, EXCP_RI);
7242 MIPS_DEBUG("%s %s, %s, %s", opn, fregnames[fd], fregnames[fs], fregnames[ft]);
7245 MIPS_DEBUG("%s %s,%s", opn, fregnames[fs], fregnames[ft]);
7248 MIPS_DEBUG("%s %s,%s", opn, fregnames[fd], fregnames[fs]);
7253 /* Coprocessor 3 (FPU) */
7254 static void gen_flt3_ldst (DisasContext *ctx, uint32_t opc,
7255 int fd, int fs, int base, int index)
7257 const char *opn = "extended float load/store";
7259 TCGv t0 = tcg_temp_new();
7262 gen_load_gpr(t0, index);
7263 } else if (index == 0) {
7264 gen_load_gpr(t0, base);
7266 gen_load_gpr(t0, index);
7267 gen_op_addr_add(ctx, t0, cpu_gpr[base]);
7269 /* Don't do NOP if destination is zero: we must perform the actual
7271 save_cpu_state(ctx, 0);
7276 TCGv_i32 fp0 = tcg_temp_new_i32();
7278 tcg_gen_qemu_ld32s(t0, t0, ctx->mem_idx);
7279 tcg_gen_trunc_tl_i32(fp0, t0);
7280 gen_store_fpr32(fp0, fd);
7281 tcg_temp_free_i32(fp0);
7287 check_cp1_registers(ctx, fd);
7289 TCGv_i64 fp0 = tcg_temp_new_i64();
7291 tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx);
7292 gen_store_fpr64(ctx, fp0, fd);
7293 tcg_temp_free_i64(fp0);
7298 check_cp1_64bitmode(ctx);
7299 tcg_gen_andi_tl(t0, t0, ~0x7);
7301 TCGv_i64 fp0 = tcg_temp_new_i64();
7303 tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx);
7304 gen_store_fpr64(ctx, fp0, fd);
7305 tcg_temp_free_i64(fp0);
7312 TCGv_i32 fp0 = tcg_temp_new_i32();
7313 TCGv t1 = tcg_temp_new();
7315 gen_load_fpr32(fp0, fs);
7316 tcg_gen_extu_i32_tl(t1, fp0);
7317 tcg_gen_qemu_st32(t1, t0, ctx->mem_idx);
7318 tcg_temp_free_i32(fp0);
7326 check_cp1_registers(ctx, fs);
7328 TCGv_i64 fp0 = tcg_temp_new_i64();
7330 gen_load_fpr64(ctx, fp0, fs);
7331 tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx);
7332 tcg_temp_free_i64(fp0);
7338 check_cp1_64bitmode(ctx);
7339 tcg_gen_andi_tl(t0, t0, ~0x7);
7341 TCGv_i64 fp0 = tcg_temp_new_i64();
7343 gen_load_fpr64(ctx, fp0, fs);
7344 tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx);
7345 tcg_temp_free_i64(fp0);
7352 MIPS_DEBUG("%s %s, %s(%s)", opn, fregnames[store ? fs : fd],
7353 regnames[index], regnames[base]);
7356 static void gen_flt3_arith (DisasContext *ctx, uint32_t opc,
7357 int fd, int fr, int fs, int ft)
7359 const char *opn = "flt3_arith";
7363 check_cp1_64bitmode(ctx);
7365 TCGv t0 = tcg_temp_local_new();
7366 TCGv_i32 fp = tcg_temp_new_i32();
7367 TCGv_i32 fph = tcg_temp_new_i32();
7368 int l1 = gen_new_label();
7369 int l2 = gen_new_label();
7371 gen_load_gpr(t0, fr);
7372 tcg_gen_andi_tl(t0, t0, 0x7);
7374 tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1);
7375 gen_load_fpr32(fp, fs);
7376 gen_load_fpr32h(fph, fs);
7377 gen_store_fpr32(fp, fd);
7378 gen_store_fpr32h(fph, fd);
7381 tcg_gen_brcondi_tl(TCG_COND_NE, t0, 4, l2);
7383 #ifdef TARGET_WORDS_BIGENDIAN
7384 gen_load_fpr32(fp, fs);
7385 gen_load_fpr32h(fph, ft);
7386 gen_store_fpr32h(fp, fd);
7387 gen_store_fpr32(fph, fd);
7389 gen_load_fpr32h(fph, fs);
7390 gen_load_fpr32(fp, ft);
7391 gen_store_fpr32(fph, fd);
7392 gen_store_fpr32h(fp, fd);
7395 tcg_temp_free_i32(fp);
7396 tcg_temp_free_i32(fph);
7403 TCGv_i32 fp0 = tcg_temp_new_i32();
7404 TCGv_i32 fp1 = tcg_temp_new_i32();
7405 TCGv_i32 fp2 = tcg_temp_new_i32();
7407 gen_load_fpr32(fp0, fs);
7408 gen_load_fpr32(fp1, ft);
7409 gen_load_fpr32(fp2, fr);
7410 gen_helper_float_muladd_s(fp2, fp0, fp1, fp2);
7411 tcg_temp_free_i32(fp0);
7412 tcg_temp_free_i32(fp1);
7413 gen_store_fpr32(fp2, fd);
7414 tcg_temp_free_i32(fp2);
7420 check_cp1_registers(ctx, fd | fs | ft | fr);
7422 TCGv_i64 fp0 = tcg_temp_new_i64();
7423 TCGv_i64 fp1 = tcg_temp_new_i64();
7424 TCGv_i64 fp2 = tcg_temp_new_i64();
7426 gen_load_fpr64(ctx, fp0, fs);
7427 gen_load_fpr64(ctx, fp1, ft);
7428 gen_load_fpr64(ctx, fp2, fr);
7429 gen_helper_float_muladd_d(fp2, fp0, fp1, fp2);
7430 tcg_temp_free_i64(fp0);
7431 tcg_temp_free_i64(fp1);
7432 gen_store_fpr64(ctx, fp2, fd);
7433 tcg_temp_free_i64(fp2);
7438 check_cp1_64bitmode(ctx);
7440 TCGv_i64 fp0 = tcg_temp_new_i64();
7441 TCGv_i64 fp1 = tcg_temp_new_i64();
7442 TCGv_i64 fp2 = tcg_temp_new_i64();
7444 gen_load_fpr64(ctx, fp0, fs);
7445 gen_load_fpr64(ctx, fp1, ft);
7446 gen_load_fpr64(ctx, fp2, fr);
7447 gen_helper_float_muladd_ps(fp2, fp0, fp1, fp2);
7448 tcg_temp_free_i64(fp0);
7449 tcg_temp_free_i64(fp1);
7450 gen_store_fpr64(ctx, fp2, fd);
7451 tcg_temp_free_i64(fp2);
7458 TCGv_i32 fp0 = tcg_temp_new_i32();
7459 TCGv_i32 fp1 = tcg_temp_new_i32();
7460 TCGv_i32 fp2 = tcg_temp_new_i32();
7462 gen_load_fpr32(fp0, fs);
7463 gen_load_fpr32(fp1, ft);
7464 gen_load_fpr32(fp2, fr);
7465 gen_helper_float_mulsub_s(fp2, fp0, fp1, fp2);
7466 tcg_temp_free_i32(fp0);
7467 tcg_temp_free_i32(fp1);
7468 gen_store_fpr32(fp2, fd);
7469 tcg_temp_free_i32(fp2);
7475 check_cp1_registers(ctx, fd | fs | ft | fr);
7477 TCGv_i64 fp0 = tcg_temp_new_i64();
7478 TCGv_i64 fp1 = tcg_temp_new_i64();
7479 TCGv_i64 fp2 = tcg_temp_new_i64();
7481 gen_load_fpr64(ctx, fp0, fs);
7482 gen_load_fpr64(ctx, fp1, ft);
7483 gen_load_fpr64(ctx, fp2, fr);
7484 gen_helper_float_mulsub_d(fp2, fp0, fp1, fp2);
7485 tcg_temp_free_i64(fp0);
7486 tcg_temp_free_i64(fp1);
7487 gen_store_fpr64(ctx, fp2, fd);
7488 tcg_temp_free_i64(fp2);
7493 check_cp1_64bitmode(ctx);
7495 TCGv_i64 fp0 = tcg_temp_new_i64();
7496 TCGv_i64 fp1 = tcg_temp_new_i64();
7497 TCGv_i64 fp2 = tcg_temp_new_i64();
7499 gen_load_fpr64(ctx, fp0, fs);
7500 gen_load_fpr64(ctx, fp1, ft);
7501 gen_load_fpr64(ctx, fp2, fr);
7502 gen_helper_float_mulsub_ps(fp2, fp0, fp1, fp2);
7503 tcg_temp_free_i64(fp0);
7504 tcg_temp_free_i64(fp1);
7505 gen_store_fpr64(ctx, fp2, fd);
7506 tcg_temp_free_i64(fp2);
7513 TCGv_i32 fp0 = tcg_temp_new_i32();
7514 TCGv_i32 fp1 = tcg_temp_new_i32();
7515 TCGv_i32 fp2 = tcg_temp_new_i32();
7517 gen_load_fpr32(fp0, fs);
7518 gen_load_fpr32(fp1, ft);
7519 gen_load_fpr32(fp2, fr);
7520 gen_helper_float_nmuladd_s(fp2, fp0, fp1, fp2);
7521 tcg_temp_free_i32(fp0);
7522 tcg_temp_free_i32(fp1);
7523 gen_store_fpr32(fp2, fd);
7524 tcg_temp_free_i32(fp2);
7530 check_cp1_registers(ctx, fd | fs | ft | fr);
7532 TCGv_i64 fp0 = tcg_temp_new_i64();
7533 TCGv_i64 fp1 = tcg_temp_new_i64();
7534 TCGv_i64 fp2 = tcg_temp_new_i64();
7536 gen_load_fpr64(ctx, fp0, fs);
7537 gen_load_fpr64(ctx, fp1, ft);
7538 gen_load_fpr64(ctx, fp2, fr);
7539 gen_helper_float_nmuladd_d(fp2, fp0, fp1, fp2);
7540 tcg_temp_free_i64(fp0);
7541 tcg_temp_free_i64(fp1);
7542 gen_store_fpr64(ctx, fp2, fd);
7543 tcg_temp_free_i64(fp2);
7548 check_cp1_64bitmode(ctx);
7550 TCGv_i64 fp0 = tcg_temp_new_i64();
7551 TCGv_i64 fp1 = tcg_temp_new_i64();
7552 TCGv_i64 fp2 = tcg_temp_new_i64();
7554 gen_load_fpr64(ctx, fp0, fs);
7555 gen_load_fpr64(ctx, fp1, ft);
7556 gen_load_fpr64(ctx, fp2, fr);
7557 gen_helper_float_nmuladd_ps(fp2, fp0, fp1, fp2);
7558 tcg_temp_free_i64(fp0);
7559 tcg_temp_free_i64(fp1);
7560 gen_store_fpr64(ctx, fp2, fd);
7561 tcg_temp_free_i64(fp2);
7568 TCGv_i32 fp0 = tcg_temp_new_i32();
7569 TCGv_i32 fp1 = tcg_temp_new_i32();
7570 TCGv_i32 fp2 = tcg_temp_new_i32();
7572 gen_load_fpr32(fp0, fs);
7573 gen_load_fpr32(fp1, ft);
7574 gen_load_fpr32(fp2, fr);
7575 gen_helper_float_nmulsub_s(fp2, fp0, fp1, fp2);
7576 tcg_temp_free_i32(fp0);
7577 tcg_temp_free_i32(fp1);
7578 gen_store_fpr32(fp2, fd);
7579 tcg_temp_free_i32(fp2);
7585 check_cp1_registers(ctx, fd | fs | ft | fr);
7587 TCGv_i64 fp0 = tcg_temp_new_i64();
7588 TCGv_i64 fp1 = tcg_temp_new_i64();
7589 TCGv_i64 fp2 = tcg_temp_new_i64();
7591 gen_load_fpr64(ctx, fp0, fs);
7592 gen_load_fpr64(ctx, fp1, ft);
7593 gen_load_fpr64(ctx, fp2, fr);
7594 gen_helper_float_nmulsub_d(fp2, fp0, fp1, fp2);
7595 tcg_temp_free_i64(fp0);
7596 tcg_temp_free_i64(fp1);
7597 gen_store_fpr64(ctx, fp2, fd);
7598 tcg_temp_free_i64(fp2);
7603 check_cp1_64bitmode(ctx);
7605 TCGv_i64 fp0 = tcg_temp_new_i64();
7606 TCGv_i64 fp1 = tcg_temp_new_i64();
7607 TCGv_i64 fp2 = tcg_temp_new_i64();
7609 gen_load_fpr64(ctx, fp0, fs);
7610 gen_load_fpr64(ctx, fp1, ft);
7611 gen_load_fpr64(ctx, fp2, fr);
7612 gen_helper_float_nmulsub_ps(fp2, fp0, fp1, fp2);
7613 tcg_temp_free_i64(fp0);
7614 tcg_temp_free_i64(fp1);
7615 gen_store_fpr64(ctx, fp2, fd);
7616 tcg_temp_free_i64(fp2);
7622 generate_exception (ctx, EXCP_RI);
7625 MIPS_DEBUG("%s %s, %s, %s, %s", opn, fregnames[fd], fregnames[fr],
7626 fregnames[fs], fregnames[ft]);
7629 /* ISA extensions (ASEs) */
7630 /* MIPS16 extension to MIPS32 */
7631 /* SmartMIPS extension to MIPS32 */
7633 #if defined(TARGET_MIPS64)
7635 /* MDMX extension to MIPS64 */
7639 static void decode_opc (CPUState *env, DisasContext *ctx)
7643 uint32_t op, op1, op2;
7646 /* make sure instructions are on a word boundary */
7647 if (ctx->pc & 0x3) {
7648 env->CP0_BadVAddr = ctx->pc;
7649 generate_exception(ctx, EXCP_AdEL);
7653 /* Handle blikely not taken case */
7654 if ((ctx->hflags & MIPS_HFLAG_BMASK) == MIPS_HFLAG_BL) {
7655 int l1 = gen_new_label();
7657 MIPS_DEBUG("blikely condition (" TARGET_FMT_lx ")", ctx->pc + 4);
7658 tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1);
7659 tcg_gen_movi_i32(hflags, ctx->hflags & ~MIPS_HFLAG_BMASK);
7660 gen_goto_tb(ctx, 1, ctx->pc + 4);
7663 op = MASK_OP_MAJOR(ctx->opcode);
7664 rs = (ctx->opcode >> 21) & 0x1f;
7665 rt = (ctx->opcode >> 16) & 0x1f;
7666 rd = (ctx->opcode >> 11) & 0x1f;
7667 sa = (ctx->opcode >> 6) & 0x1f;
7668 imm = (int16_t)ctx->opcode;
7671 op1 = MASK_SPECIAL(ctx->opcode);
7673 case OPC_SLL: /* Shift with immediate */
7676 gen_shift_imm(env, ctx, op1, rd, rt, sa);
7678 case OPC_MOVN: /* Conditional move */
7680 check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32);
7681 gen_cond_move(env, op1, rd, rs, rt);
7683 case OPC_ADD ... OPC_SUBU:
7684 gen_arith(env, ctx, op1, rd, rs, rt);
7686 case OPC_SLLV: /* Shifts */
7689 gen_shift(env, ctx, op1, rd, rs, rt);
7691 case OPC_SLT: /* Set on less than */
7693 gen_slt(env, op1, rd, rs, rt);
7695 case OPC_AND: /* Logic*/
7699 gen_logic(env, op1, rd, rs, rt);
7701 case OPC_MULT ... OPC_DIVU:
7703 check_insn(env, ctx, INSN_VR54XX);
7704 op1 = MASK_MUL_VR54XX(ctx->opcode);
7705 gen_mul_vr54xx(ctx, op1, rd, rs, rt);
7707 gen_muldiv(ctx, op1, rs, rt);
7709 case OPC_JR ... OPC_JALR:
7710 gen_compute_branch(ctx, op1, rs, rd, sa);
7712 case OPC_TGE ... OPC_TEQ: /* Traps */
7714 gen_trap(ctx, op1, rs, rt, -1);
7716 case OPC_MFHI: /* Move from HI/LO */
7718 gen_HILO(ctx, op1, rd);
7721 case OPC_MTLO: /* Move to HI/LO */
7722 gen_HILO(ctx, op1, rs);
7724 case OPC_PMON: /* Pmon entry point, also R4010 selsl */
7725 #ifdef MIPS_STRICT_STANDARD
7726 MIPS_INVAL("PMON / selsl");
7727 generate_exception(ctx, EXCP_RI);
7729 gen_helper_0i(pmon, sa);
7733 generate_exception(ctx, EXCP_SYSCALL);
7734 ctx->bstate = BS_STOP;
7737 generate_exception(ctx, EXCP_BREAK);
7740 #ifdef MIPS_STRICT_STANDARD
7742 generate_exception(ctx, EXCP_RI);
7744 /* Implemented as RI exception for now. */
7745 MIPS_INVAL("spim (unofficial)");
7746 generate_exception(ctx, EXCP_RI);
7754 check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32);
7755 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
7756 check_cp1_enabled(ctx);
7757 gen_movci(ctx, rd, rs, (ctx->opcode >> 18) & 0x7,
7758 (ctx->opcode >> 16) & 1);
7760 generate_exception_err(ctx, EXCP_CpU, 1);
7764 #if defined(TARGET_MIPS64)
7765 /* MIPS64 specific opcodes */
7772 check_insn(env, ctx, ISA_MIPS3);
7774 gen_shift_imm(env, ctx, op1, rd, rt, sa);
7776 case OPC_DADD ... OPC_DSUBU:
7777 check_insn(env, ctx, ISA_MIPS3);
7779 gen_arith(env, ctx, op1, rd, rs, rt);
7784 check_insn(env, ctx, ISA_MIPS3);
7786 gen_shift(env, ctx, op1, rd, rs, rt);
7788 case OPC_DMULT ... OPC_DDIVU:
7789 check_insn(env, ctx, ISA_MIPS3);
7791 gen_muldiv(ctx, op1, rs, rt);
7794 default: /* Invalid */
7795 MIPS_INVAL("special");
7796 generate_exception(ctx, EXCP_RI);
7801 op1 = MASK_SPECIAL2(ctx->opcode);
7803 case OPC_MADD ... OPC_MADDU: /* Multiply and add/sub */
7804 case OPC_MSUB ... OPC_MSUBU:
7805 check_insn(env, ctx, ISA_MIPS32);
7806 gen_muldiv(ctx, op1, rs, rt);
7809 gen_arith(env, ctx, op1, rd, rs, rt);
7813 check_insn(env, ctx, ISA_MIPS32);
7814 gen_cl(ctx, op1, rd, rs);
7817 /* XXX: not clear which exception should be raised
7818 * when in debug mode...
7820 check_insn(env, ctx, ISA_MIPS32);
7821 if (!(ctx->hflags & MIPS_HFLAG_DM)) {
7822 generate_exception(ctx, EXCP_DBp);
7824 generate_exception(ctx, EXCP_DBp);
7828 #if defined(TARGET_MIPS64)
7831 check_insn(env, ctx, ISA_MIPS64);
7833 gen_cl(ctx, op1, rd, rs);
7836 default: /* Invalid */
7837 MIPS_INVAL("special2");
7838 generate_exception(ctx, EXCP_RI);
7843 op1 = MASK_SPECIAL3(ctx->opcode);
7847 check_insn(env, ctx, ISA_MIPS32R2);
7848 gen_bitops(ctx, op1, rt, rs, sa, rd);
7851 check_insn(env, ctx, ISA_MIPS32R2);
7852 op2 = MASK_BSHFL(ctx->opcode);
7853 gen_bshfl(ctx, op2, rt, rd);
7856 check_insn(env, ctx, ISA_MIPS32R2);
7858 TCGv t0 = tcg_temp_new();
7862 save_cpu_state(ctx, 1);
7863 gen_helper_rdhwr_cpunum(t0);
7864 gen_store_gpr(t0, rt);
7867 save_cpu_state(ctx, 1);
7868 gen_helper_rdhwr_synci_step(t0);
7869 gen_store_gpr(t0, rt);
7872 save_cpu_state(ctx, 1);
7873 gen_helper_rdhwr_cc(t0);
7874 gen_store_gpr(t0, rt);
7877 save_cpu_state(ctx, 1);
7878 gen_helper_rdhwr_ccres(t0);
7879 gen_store_gpr(t0, rt);
7882 #if defined(CONFIG_USER_ONLY)
7883 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, tls_value));
7884 gen_store_gpr(t0, rt);
7887 /* XXX: Some CPUs implement this in hardware.
7888 Not supported yet. */
7890 default: /* Invalid */
7891 MIPS_INVAL("rdhwr");
7892 generate_exception(ctx, EXCP_RI);
7899 check_insn(env, ctx, ASE_MT);
7901 TCGv t0 = tcg_temp_new();
7902 TCGv t1 = tcg_temp_new();
7904 gen_load_gpr(t0, rt);
7905 gen_load_gpr(t1, rs);
7906 gen_helper_fork(t0, t1);
7912 check_insn(env, ctx, ASE_MT);
7914 TCGv t0 = tcg_temp_new();
7916 save_cpu_state(ctx, 1);
7917 gen_load_gpr(t0, rs);
7918 gen_helper_yield(t0, t0);
7919 gen_store_gpr(t0, rd);
7923 #if defined(TARGET_MIPS64)
7924 case OPC_DEXTM ... OPC_DEXT:
7925 case OPC_DINSM ... OPC_DINS:
7926 check_insn(env, ctx, ISA_MIPS64R2);
7928 gen_bitops(ctx, op1, rt, rs, sa, rd);
7931 check_insn(env, ctx, ISA_MIPS64R2);
7933 op2 = MASK_DBSHFL(ctx->opcode);
7934 gen_bshfl(ctx, op2, rt, rd);
7937 default: /* Invalid */
7938 MIPS_INVAL("special3");
7939 generate_exception(ctx, EXCP_RI);
7944 op1 = MASK_REGIMM(ctx->opcode);
7946 case OPC_BLTZ ... OPC_BGEZL: /* REGIMM branches */
7947 case OPC_BLTZAL ... OPC_BGEZALL:
7948 gen_compute_branch(ctx, op1, rs, -1, imm << 2);
7950 case OPC_TGEI ... OPC_TEQI: /* REGIMM traps */
7952 gen_trap(ctx, op1, rs, -1, imm);
7955 check_insn(env, ctx, ISA_MIPS32R2);
7958 default: /* Invalid */
7959 MIPS_INVAL("regimm");
7960 generate_exception(ctx, EXCP_RI);
7965 check_cp0_enabled(ctx);
7966 op1 = MASK_CP0(ctx->opcode);
7972 #if defined(TARGET_MIPS64)
7976 #ifndef CONFIG_USER_ONLY
7977 gen_cp0(env, ctx, op1, rt, rd);
7978 #endif /* !CONFIG_USER_ONLY */
7980 case OPC_C0_FIRST ... OPC_C0_LAST:
7981 #ifndef CONFIG_USER_ONLY
7982 gen_cp0(env, ctx, MASK_C0(ctx->opcode), rt, rd);
7983 #endif /* !CONFIG_USER_ONLY */
7986 #ifndef CONFIG_USER_ONLY
7988 TCGv t0 = tcg_temp_new();
7990 op2 = MASK_MFMC0(ctx->opcode);
7993 check_insn(env, ctx, ASE_MT);
7994 gen_helper_dmt(t0, t0);
7995 gen_store_gpr(t0, rt);
7998 check_insn(env, ctx, ASE_MT);
7999 gen_helper_emt(t0, t0);
8000 gen_store_gpr(t0, rt);
8003 check_insn(env, ctx, ASE_MT);
8004 gen_helper_dvpe(t0, t0);
8005 gen_store_gpr(t0, rt);
8008 check_insn(env, ctx, ASE_MT);
8009 gen_helper_evpe(t0, t0);
8010 gen_store_gpr(t0, rt);
8013 check_insn(env, ctx, ISA_MIPS32R2);
8014 save_cpu_state(ctx, 1);
8016 gen_store_gpr(t0, rt);
8017 /* Stop translation as we may have switched the execution mode */
8018 ctx->bstate = BS_STOP;
8021 check_insn(env, ctx, ISA_MIPS32R2);
8022 save_cpu_state(ctx, 1);
8024 gen_store_gpr(t0, rt);
8025 /* Stop translation as we may have switched the execution mode */
8026 ctx->bstate = BS_STOP;
8028 default: /* Invalid */
8029 MIPS_INVAL("mfmc0");
8030 generate_exception(ctx, EXCP_RI);
8035 #endif /* !CONFIG_USER_ONLY */
8038 check_insn(env, ctx, ISA_MIPS32R2);
8039 gen_load_srsgpr(rt, rd);
8042 check_insn(env, ctx, ISA_MIPS32R2);
8043 gen_store_srsgpr(rt, rd);
8047 generate_exception(ctx, EXCP_RI);
8051 case OPC_ADDI: /* Arithmetic with immediate opcode */
8053 gen_arith_imm(env, ctx, op, rt, rs, imm);
8055 case OPC_SLTI: /* Set on less than with immediate opcode */
8057 gen_slt_imm(env, op, rt, rs, imm);
8059 case OPC_ANDI: /* Arithmetic with immediate opcode */
8063 gen_logic_imm(env, op, rt, rs, imm);
8065 case OPC_J ... OPC_JAL: /* Jump */
8066 offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2;
8067 gen_compute_branch(ctx, op, rs, rt, offset);
8069 case OPC_BEQ ... OPC_BGTZ: /* Branch */
8070 case OPC_BEQL ... OPC_BGTZL:
8071 gen_compute_branch(ctx, op, rs, rt, imm << 2);
8073 case OPC_LB ... OPC_LWR: /* Load and stores */
8074 case OPC_SB ... OPC_SW:
8077 gen_ldst(ctx, op, rt, rs, imm);
8080 gen_st_cond(ctx, op, rt, rs, imm);
8083 check_insn(env, ctx, ISA_MIPS3 | ISA_MIPS32);
8087 check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32);
8091 /* Floating point (COP1). */
8096 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
8097 check_cp1_enabled(ctx);
8098 gen_flt_ldst(ctx, op, rt, rs, imm);
8100 generate_exception_err(ctx, EXCP_CpU, 1);
8105 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
8106 check_cp1_enabled(ctx);
8107 op1 = MASK_CP1(ctx->opcode);
8111 check_insn(env, ctx, ISA_MIPS32R2);
8116 gen_cp1(ctx, op1, rt, rd);
8118 #if defined(TARGET_MIPS64)
8121 check_insn(env, ctx, ISA_MIPS3);
8122 gen_cp1(ctx, op1, rt, rd);
8128 check_insn(env, ctx, ASE_MIPS3D);
8131 gen_compute_branch1(env, ctx, MASK_BC1(ctx->opcode),
8132 (rt >> 2) & 0x7, imm << 2);
8139 gen_farith(ctx, MASK_CP1_FUNC(ctx->opcode), rt, rd, sa,
8144 generate_exception (ctx, EXCP_RI);
8148 generate_exception_err(ctx, EXCP_CpU, 1);
8158 /* COP2: Not implemented. */
8159 generate_exception_err(ctx, EXCP_CpU, 2);
8163 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
8164 check_cp1_enabled(ctx);
8165 op1 = MASK_CP3(ctx->opcode);
8173 gen_flt3_ldst(ctx, op1, sa, rd, rs, rt);
8191 gen_flt3_arith(ctx, op1, sa, rs, rd, rt);
8195 generate_exception (ctx, EXCP_RI);
8199 generate_exception_err(ctx, EXCP_CpU, 1);
8203 #if defined(TARGET_MIPS64)
8204 /* MIPS64 opcodes */
8206 case OPC_LDL ... OPC_LDR:
8207 case OPC_SDL ... OPC_SDR:
8211 check_insn(env, ctx, ISA_MIPS3);
8213 gen_ldst(ctx, op, rt, rs, imm);
8216 check_insn(env, ctx, ISA_MIPS3);
8218 gen_st_cond(ctx, op, rt, rs, imm);
8222 check_insn(env, ctx, ISA_MIPS3);
8224 gen_arith_imm(env, ctx, op, rt, rs, imm);
8228 check_insn(env, ctx, ASE_MIPS16);
8229 /* MIPS16: Not implemented. */
8231 check_insn(env, ctx, ASE_MDMX);
8232 /* MDMX: Not implemented. */
8233 default: /* Invalid */
8234 MIPS_INVAL("major opcode");
8235 generate_exception(ctx, EXCP_RI);
8238 if (ctx->hflags & MIPS_HFLAG_BMASK) {
8239 int hflags = ctx->hflags & MIPS_HFLAG_BMASK;
8240 /* Branches completion */
8241 ctx->hflags &= ~MIPS_HFLAG_BMASK;
8242 ctx->bstate = BS_BRANCH;
8243 save_cpu_state(ctx, 0);
8244 /* FIXME: Need to clear can_do_io. */
8247 /* unconditional branch */
8248 MIPS_DEBUG("unconditional branch");
8249 gen_goto_tb(ctx, 0, ctx->btarget);
8252 /* blikely taken case */
8253 MIPS_DEBUG("blikely branch taken");
8254 gen_goto_tb(ctx, 0, ctx->btarget);
8257 /* Conditional branch */
8258 MIPS_DEBUG("conditional branch");
8260 int l1 = gen_new_label();
8262 tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1);
8263 gen_goto_tb(ctx, 1, ctx->pc + 4);
8265 gen_goto_tb(ctx, 0, ctx->btarget);
8269 /* unconditional branch to register */
8270 MIPS_DEBUG("branch to register");
8271 tcg_gen_mov_tl(cpu_PC, btarget);
8272 if (ctx->singlestep_enabled) {
8273 save_cpu_state(ctx, 0);
8274 gen_helper_0i(raise_exception, EXCP_DEBUG);
8279 MIPS_DEBUG("unknown branch");
8286 gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb,
8290 target_ulong pc_start;
8291 uint16_t *gen_opc_end;
8298 qemu_log("search pc %d\n", search_pc);
8301 /* Leave some spare opc slots for branch handling. */
8302 gen_opc_end = gen_opc_buf + OPC_MAX_SIZE - 16;
8305 ctx.singlestep_enabled = env->singlestep_enabled;
8307 ctx.bstate = BS_NONE;
8308 /* Restore delay slot state from the tb context. */
8309 ctx.hflags = (uint32_t)tb->flags; /* FIXME: maybe use 64 bits here? */
8310 restore_cpu_state(env, &ctx);
8311 #ifdef CONFIG_USER_ONLY
8312 ctx.mem_idx = MIPS_HFLAG_UM;
8314 ctx.mem_idx = ctx.hflags & MIPS_HFLAG_KSU;
8317 max_insns = tb->cflags & CF_COUNT_MASK;
8319 max_insns = CF_COUNT_MASK;
8321 qemu_log_mask(CPU_LOG_TB_CPU, "------------------------------------------------\n");
8322 /* FIXME: This may print out stale hflags from env... */
8323 log_cpu_state_mask(CPU_LOG_TB_CPU, env, 0);
8325 LOG_DISAS("\ntb %p idx %d hflags %04x\n", tb, ctx.mem_idx, ctx.hflags);
8327 while (ctx.bstate == BS_NONE) {
8328 if (unlikely(!QTAILQ_EMPTY(&env->breakpoints))) {
8329 QTAILQ_FOREACH(bp, &env->breakpoints, entry) {
8330 if (bp->pc == ctx.pc) {
8331 save_cpu_state(&ctx, 1);
8332 ctx.bstate = BS_BRANCH;
8333 gen_helper_0i(raise_exception, EXCP_DEBUG);
8334 /* Include the breakpoint location or the tb won't
8335 * be flushed when it must be. */
8337 goto done_generating;
8343 j = gen_opc_ptr - gen_opc_buf;
8347 gen_opc_instr_start[lj++] = 0;
8349 gen_opc_pc[lj] = ctx.pc;
8350 gen_opc_hflags[lj] = ctx.hflags & MIPS_HFLAG_BMASK;
8351 gen_opc_instr_start[lj] = 1;
8352 gen_opc_icount[lj] = num_insns;
8354 if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO))
8356 ctx.opcode = ldl_code(ctx.pc);
8357 decode_opc(env, &ctx);
8361 /* Execute a branch and its delay slot as a single instruction.
8362 This is what GDB expects and is consistent with what the
8363 hardware does (e.g. if a delay slot instruction faults, the
8364 reported PC is the PC of the branch). */
8365 if (env->singlestep_enabled && (ctx.hflags & MIPS_HFLAG_BMASK) == 0)
8368 if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0)
8371 if (gen_opc_ptr >= gen_opc_end)
8374 if (num_insns >= max_insns)
8380 if (tb->cflags & CF_LAST_IO)
8382 if (env->singlestep_enabled && ctx.bstate != BS_BRANCH) {
8383 save_cpu_state(&ctx, ctx.bstate == BS_NONE);
8384 gen_helper_0i(raise_exception, EXCP_DEBUG);
8386 switch (ctx.bstate) {
8388 gen_helper_interrupt_restart();
8389 gen_goto_tb(&ctx, 0, ctx.pc);
8392 save_cpu_state(&ctx, 0);
8393 gen_goto_tb(&ctx, 0, ctx.pc);
8396 gen_helper_interrupt_restart();
8405 gen_icount_end(tb, num_insns);
8406 *gen_opc_ptr = INDEX_op_end;
8408 j = gen_opc_ptr - gen_opc_buf;
8411 gen_opc_instr_start[lj++] = 0;
8413 tb->size = ctx.pc - pc_start;
8414 tb->icount = num_insns;
8418 if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
8419 qemu_log("IN: %s\n", lookup_symbol(pc_start));
8420 log_target_disas(pc_start, ctx.pc - pc_start, 0);
8423 qemu_log_mask(CPU_LOG_TB_CPU, "---------------- %d %08x\n", ctx.bstate, ctx.hflags);
8427 void gen_intermediate_code (CPUState *env, struct TranslationBlock *tb)
8429 gen_intermediate_code_internal(env, tb, 0);
8432 void gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb)
8434 gen_intermediate_code_internal(env, tb, 1);
8437 static void fpu_dump_state(CPUState *env, FILE *f,
8438 int (*fpu_fprintf)(FILE *f, const char *fmt, ...),
8442 int is_fpu64 = !!(env->hflags & MIPS_HFLAG_F64);
8444 #define printfpr(fp) \
8447 fpu_fprintf(f, "w:%08x d:%016lx fd:%13g fs:%13g psu: %13g\n", \
8448 (fp)->w[FP_ENDIAN_IDX], (fp)->d, (fp)->fd, \
8449 (fp)->fs[FP_ENDIAN_IDX], (fp)->fs[!FP_ENDIAN_IDX]); \
8452 tmp.w[FP_ENDIAN_IDX] = (fp)->w[FP_ENDIAN_IDX]; \
8453 tmp.w[!FP_ENDIAN_IDX] = ((fp) + 1)->w[FP_ENDIAN_IDX]; \
8454 fpu_fprintf(f, "w:%08x d:%016lx fd:%13g fs:%13g psu:%13g\n", \
8455 tmp.w[FP_ENDIAN_IDX], tmp.d, tmp.fd, \
8456 tmp.fs[FP_ENDIAN_IDX], tmp.fs[!FP_ENDIAN_IDX]); \
8461 fpu_fprintf(f, "CP1 FCR0 0x%08x FCR31 0x%08x SR.FR %d fp_status 0x%08x(0x%02x)\n",
8462 env->active_fpu.fcr0, env->active_fpu.fcr31, is_fpu64, env->active_fpu.fp_status,
8463 get_float_exception_flags(&env->active_fpu.fp_status));
8464 for (i = 0; i < 32; (is_fpu64) ? i++ : (i += 2)) {
8465 fpu_fprintf(f, "%3s: ", fregnames[i]);
8466 printfpr(&env->active_fpu.fpr[i]);
8472 #if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
8473 /* Debug help: The architecture requires 32bit code to maintain proper
8474 sign-extended values on 64bit machines. */
8476 #define SIGN_EXT_P(val) ((((val) & ~0x7fffffff) == 0) || (((val) & ~0x7fffffff) == ~0x7fffffff))
8479 cpu_mips_check_sign_extensions (CPUState *env, FILE *f,
8480 int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
8485 if (!SIGN_EXT_P(env->active_tc.PC))
8486 cpu_fprintf(f, "BROKEN: pc=0x" TARGET_FMT_lx "\n", env->active_tc.PC);
8487 if (!SIGN_EXT_P(env->active_tc.HI[0]))
8488 cpu_fprintf(f, "BROKEN: HI=0x" TARGET_FMT_lx "\n", env->active_tc.HI[0]);
8489 if (!SIGN_EXT_P(env->active_tc.LO[0]))
8490 cpu_fprintf(f, "BROKEN: LO=0x" TARGET_FMT_lx "\n", env->active_tc.LO[0]);
8491 if (!SIGN_EXT_P(env->btarget))
8492 cpu_fprintf(f, "BROKEN: btarget=0x" TARGET_FMT_lx "\n", env->btarget);
8494 for (i = 0; i < 32; i++) {
8495 if (!SIGN_EXT_P(env->active_tc.gpr[i]))
8496 cpu_fprintf(f, "BROKEN: %s=0x" TARGET_FMT_lx "\n", regnames[i], env->active_tc.gpr[i]);
8499 if (!SIGN_EXT_P(env->CP0_EPC))
8500 cpu_fprintf(f, "BROKEN: EPC=0x" TARGET_FMT_lx "\n", env->CP0_EPC);
8501 if (!SIGN_EXT_P(env->CP0_LLAddr))
8502 cpu_fprintf(f, "BROKEN: LLAddr=0x" TARGET_FMT_lx "\n", env->CP0_LLAddr);
8506 void cpu_dump_state (CPUState *env, FILE *f,
8507 int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
8512 cpu_fprintf(f, "pc=0x" TARGET_FMT_lx " HI=0x" TARGET_FMT_lx " LO=0x" TARGET_FMT_lx " ds %04x " TARGET_FMT_lx " %d\n",
8513 env->active_tc.PC, env->active_tc.HI[0], env->active_tc.LO[0],
8514 env->hflags, env->btarget, env->bcond);
8515 for (i = 0; i < 32; i++) {
8517 cpu_fprintf(f, "GPR%02d:", i);
8518 cpu_fprintf(f, " %s " TARGET_FMT_lx, regnames[i], env->active_tc.gpr[i]);
8520 cpu_fprintf(f, "\n");
8523 cpu_fprintf(f, "CP0 Status 0x%08x Cause 0x%08x EPC 0x" TARGET_FMT_lx "\n",
8524 env->CP0_Status, env->CP0_Cause, env->CP0_EPC);
8525 cpu_fprintf(f, " Config0 0x%08x Config1 0x%08x LLAddr 0x" TARGET_FMT_lx "\n",
8526 env->CP0_Config0, env->CP0_Config1, env->CP0_LLAddr);
8527 if (env->hflags & MIPS_HFLAG_FPU)
8528 fpu_dump_state(env, f, cpu_fprintf, flags);
8529 #if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
8530 cpu_mips_check_sign_extensions(env, f, cpu_fprintf, flags);
8534 static void mips_tcg_init(void)
8539 /* Initialize various static tables. */
8543 cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
8544 TCGV_UNUSED(cpu_gpr[0]);
8545 for (i = 1; i < 32; i++)
8546 cpu_gpr[i] = tcg_global_mem_new(TCG_AREG0,
8547 offsetof(CPUState, active_tc.gpr[i]),
8549 cpu_PC = tcg_global_mem_new(TCG_AREG0,
8550 offsetof(CPUState, active_tc.PC), "PC");
8551 for (i = 0; i < MIPS_DSP_ACC; i++) {
8552 cpu_HI[i] = tcg_global_mem_new(TCG_AREG0,
8553 offsetof(CPUState, active_tc.HI[i]),
8555 cpu_LO[i] = tcg_global_mem_new(TCG_AREG0,
8556 offsetof(CPUState, active_tc.LO[i]),
8558 cpu_ACX[i] = tcg_global_mem_new(TCG_AREG0,
8559 offsetof(CPUState, active_tc.ACX[i]),
8562 cpu_dspctrl = tcg_global_mem_new(TCG_AREG0,
8563 offsetof(CPUState, active_tc.DSPControl),
8565 bcond = tcg_global_mem_new(TCG_AREG0,
8566 offsetof(CPUState, bcond), "bcond");
8567 btarget = tcg_global_mem_new(TCG_AREG0,
8568 offsetof(CPUState, btarget), "btarget");
8569 hflags = tcg_global_mem_new_i32(TCG_AREG0,
8570 offsetof(CPUState, hflags), "hflags");
8572 fpu_fcr0 = tcg_global_mem_new_i32(TCG_AREG0,
8573 offsetof(CPUState, active_fpu.fcr0),
8575 fpu_fcr31 = tcg_global_mem_new_i32(TCG_AREG0,
8576 offsetof(CPUState, active_fpu.fcr31),
8579 /* register helpers */
8580 #define GEN_HELPER 2
8586 #include "translate_init.c"
8588 CPUMIPSState *cpu_mips_init (const char *cpu_model)
8591 const mips_def_t *def;
8593 def = cpu_mips_find_by_name(cpu_model);
8596 env = qemu_mallocz(sizeof(CPUMIPSState));
8597 env->cpu_model = def;
8600 env->cpu_model_str = cpu_model;
8603 qemu_init_vcpu(env);
8607 void cpu_reset (CPUMIPSState *env)
8609 if (qemu_loglevel_mask(CPU_LOG_RESET)) {
8610 qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
8611 log_cpu_state(env, 0);
8614 memset(env, 0, offsetof(CPUMIPSState, breakpoints));
8619 #if defined(CONFIG_USER_ONLY)
8620 env->hflags = MIPS_HFLAG_UM;
8621 /* Enable access to the SYNCI_Step register. */
8622 env->CP0_HWREna |= (1 << 1);
8624 if (env->hflags & MIPS_HFLAG_BMASK) {
8625 /* If the exception was raised from a delay slot,
8626 come back to the jump. */
8627 env->CP0_ErrorEPC = env->active_tc.PC - 4;
8629 env->CP0_ErrorEPC = env->active_tc.PC;
8631 env->active_tc.PC = (int32_t)0xBFC00000;
8633 /* SMP not implemented */
8634 env->CP0_EBase = 0x80000000;
8635 env->CP0_Status = (1 << CP0St_BEV) | (1 << CP0St_ERL);
8636 /* vectored interrupts not implemented, timer on int 7,
8637 no performance counters. */
8638 env->CP0_IntCtl = 0xe0000000;
8642 for (i = 0; i < 7; i++) {
8643 env->CP0_WatchLo[i] = 0;
8644 env->CP0_WatchHi[i] = 0x80000000;
8646 env->CP0_WatchLo[7] = 0;
8647 env->CP0_WatchHi[7] = 0;
8649 /* Count register increments in debug mode, EJTAG version 1 */
8650 env->CP0_Debug = (1 << CP0DB_CNT) | (0x1 << CP0DB_VER);
8651 env->hflags = MIPS_HFLAG_CP0;
8653 env->exception_index = EXCP_NONE;
8654 cpu_mips_register(env, env->cpu_model);
8657 void gen_pc_load(CPUState *env, TranslationBlock *tb,
8658 unsigned long searched_pc, int pc_pos, void *puc)
8660 env->active_tc.PC = gen_opc_pc[pc_pos];
8661 env->hflags &= ~MIPS_HFLAG_BMASK;
8662 env->hflags |= gen_opc_hflags[pc_pos];