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, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA
33 #include "qemu-common.h"
39 //#define MIPS_DEBUG_DISAS
40 //#define MIPS_DEBUG_SIGN_EXTENSIONS
41 //#define MIPS_SINGLE_STEP
43 /* MIPS major opcodes */
44 #define MASK_OP_MAJOR(op) (op & (0x3F << 26))
47 /* indirect opcode tables */
48 OPC_SPECIAL = (0x00 << 26),
49 OPC_REGIMM = (0x01 << 26),
50 OPC_CP0 = (0x10 << 26),
51 OPC_CP1 = (0x11 << 26),
52 OPC_CP2 = (0x12 << 26),
53 OPC_CP3 = (0x13 << 26),
54 OPC_SPECIAL2 = (0x1C << 26),
55 OPC_SPECIAL3 = (0x1F << 26),
56 /* arithmetic with immediate */
57 OPC_ADDI = (0x08 << 26),
58 OPC_ADDIU = (0x09 << 26),
59 OPC_SLTI = (0x0A << 26),
60 OPC_SLTIU = (0x0B << 26),
61 OPC_ANDI = (0x0C << 26),
62 OPC_ORI = (0x0D << 26),
63 OPC_XORI = (0x0E << 26),
64 OPC_LUI = (0x0F << 26),
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;
433 static TCGv_i32 bcond;
434 static TCGv_i32 fpu_fpr32[32], fpu_fpr32h[32];
435 static TCGv_i64 fpu_fpr64[32];
436 static TCGv_i32 fpu_fcr0, fpu_fcr31;
438 #include "gen-icount.h"
440 #define gen_helper_0i(name, arg) do { \
441 TCGv_i32 helper_tmp = tcg_const_i32(arg); \
442 gen_helper_##name(helper_tmp); \
443 tcg_temp_free_i32(helper_tmp); \
446 #define gen_helper_1i(name, arg1, arg2) do { \
447 TCGv_i32 helper_tmp = tcg_const_i32(arg2); \
448 gen_helper_##name(arg1, helper_tmp); \
449 tcg_temp_free_i32(helper_tmp); \
452 #define gen_helper_2i(name, arg1, arg2, arg3) do { \
453 TCGv_i32 helper_tmp = tcg_const_i32(arg3); \
454 gen_helper_##name(arg1, arg2, helper_tmp); \
455 tcg_temp_free_i32(helper_tmp); \
458 #define gen_helper_3i(name, arg1, arg2, arg3, arg4) do { \
459 TCGv_i32 helper_tmp = tcg_const_i32(arg4); \
460 gen_helper_##name(arg1, arg2, arg3, helper_tmp); \
461 tcg_temp_free_i32(helper_tmp); \
464 typedef struct DisasContext {
465 struct TranslationBlock *tb;
466 target_ulong pc, saved_pc;
468 /* Routine used to access memory */
470 uint32_t hflags, saved_hflags;
472 target_ulong btarget;
476 BS_NONE = 0, /* We go out of the TB without reaching a branch or an
477 * exception condition */
478 BS_STOP = 1, /* We want to stop translation for any reason */
479 BS_BRANCH = 2, /* We reached a branch condition */
480 BS_EXCP = 3, /* We reached an exception condition */
483 static const char *regnames[] =
484 { "r0", "at", "v0", "v1", "a0", "a1", "a2", "a3",
485 "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7",
486 "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
487 "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra", };
489 static const char *regnames_HI[] =
490 { "HI0", "HI1", "HI2", "HI3", };
492 static const char *regnames_LO[] =
493 { "LO0", "LO1", "LO2", "LO3", };
495 static const char *regnames_ACX[] =
496 { "ACX0", "ACX1", "ACX2", "ACX3", };
498 static const char *fregnames[] =
499 { "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
500 "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
501 "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
502 "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", };
504 static const char *fregnames_64[] =
505 { "F0", "F1", "F2", "F3", "F4", "F5", "F6", "F7",
506 "F8", "F9", "F10", "F11", "F12", "F13", "F14", "F15",
507 "F16", "F17", "F18", "F19", "F20", "F21", "F22", "F23",
508 "F24", "F25", "F26", "F27", "F28", "F29", "F30", "F31", };
510 static const char *fregnames_h[] =
511 { "h0", "h1", "h2", "h3", "h4", "h5", "h6", "h7",
512 "h8", "h9", "h10", "h11", "h12", "h13", "h14", "h15",
513 "h16", "h17", "h18", "h19", "h20", "h21", "h22", "h23",
514 "h24", "h25", "h26", "h27", "h28", "h29", "h30", "h31", };
516 #ifdef MIPS_DEBUG_DISAS
517 #define MIPS_DEBUG(fmt, args...) \
518 qemu_log_mask(CPU_LOG_TB_IN_ASM, \
519 TARGET_FMT_lx ": %08x " fmt "\n", \
520 ctx->pc, ctx->opcode , ##args)
521 #define LOG_DISAS(...) qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __VA_ARGS__)
523 #define MIPS_DEBUG(fmt, args...) do { } while(0)
524 #define LOG_DISAS(...) do { } while (0)
527 #define MIPS_INVAL(op) \
529 MIPS_DEBUG("Invalid %s %03x %03x %03x", op, ctx->opcode >> 26, \
530 ctx->opcode & 0x3F, ((ctx->opcode >> 16) & 0x1F)); \
533 /* General purpose registers moves. */
534 static inline void gen_load_gpr (TCGv t, int reg)
537 tcg_gen_movi_tl(t, 0);
539 tcg_gen_mov_tl(t, cpu_gpr[reg]);
542 static inline void gen_store_gpr (TCGv t, int reg)
545 tcg_gen_mov_tl(cpu_gpr[reg], t);
548 /* Moves to/from ACX register. */
549 static inline void gen_load_ACX (TCGv t, int reg)
551 tcg_gen_mov_tl(t, cpu_ACX[reg]);
554 static inline void gen_store_ACX (TCGv t, int reg)
556 tcg_gen_mov_tl(cpu_ACX[reg], t);
559 /* Moves to/from shadow registers. */
560 static inline void gen_load_srsgpr (int from, int to)
562 TCGv r_tmp1 = tcg_temp_new();
565 tcg_gen_movi_tl(r_tmp1, 0);
567 TCGv_i32 r_tmp2 = tcg_temp_new_i32();
568 TCGv_ptr addr = tcg_temp_new_ptr();
570 tcg_gen_ld_i32(r_tmp2, cpu_env, offsetof(CPUState, CP0_SRSCtl));
571 tcg_gen_shri_i32(r_tmp2, r_tmp2, CP0SRSCtl_PSS);
572 tcg_gen_andi_i32(r_tmp2, r_tmp2, 0xf);
573 tcg_gen_muli_i32(r_tmp2, r_tmp2, sizeof(target_ulong) * 32);
574 tcg_gen_ext_i32_ptr(addr, r_tmp2);
575 tcg_gen_add_ptr(addr, cpu_env, addr);
577 tcg_gen_ld_tl(r_tmp1, addr, sizeof(target_ulong) * from);
578 tcg_temp_free_ptr(addr);
579 tcg_temp_free_i32(r_tmp2);
581 gen_store_gpr(r_tmp1, to);
582 tcg_temp_free(r_tmp1);
585 static inline void gen_store_srsgpr (int from, int to)
588 TCGv r_tmp1 = tcg_temp_new();
589 TCGv_i32 r_tmp2 = tcg_temp_new_i32();
590 TCGv_ptr addr = tcg_temp_new_ptr();
592 gen_load_gpr(r_tmp1, from);
593 tcg_gen_ld_i32(r_tmp2, cpu_env, offsetof(CPUState, CP0_SRSCtl));
594 tcg_gen_shri_i32(r_tmp2, r_tmp2, CP0SRSCtl_PSS);
595 tcg_gen_andi_i32(r_tmp2, r_tmp2, 0xf);
596 tcg_gen_muli_i32(r_tmp2, r_tmp2, sizeof(target_ulong) * 32);
597 tcg_gen_ext_i32_ptr(addr, r_tmp2);
598 tcg_gen_add_ptr(addr, cpu_env, addr);
600 tcg_gen_st_tl(r_tmp1, addr, sizeof(target_ulong) * to);
601 tcg_temp_free_ptr(addr);
602 tcg_temp_free_i32(r_tmp2);
603 tcg_temp_free(r_tmp1);
607 /* Floating point register moves. */
608 static inline void gen_load_fpr32 (TCGv_i32 t, int reg)
610 tcg_gen_mov_i32(t, fpu_fpr32[reg]);
613 static inline void gen_store_fpr32 (TCGv_i32 t, int reg)
615 tcg_gen_mov_i32(fpu_fpr32[reg], t);
618 static inline void gen_load_fpr64 (DisasContext *ctx, TCGv_i64 t, int reg)
620 if (ctx->hflags & MIPS_HFLAG_F64)
621 tcg_gen_mov_i64(t, fpu_fpr64[reg]);
623 tcg_gen_concat_i32_i64(t, fpu_fpr32[reg & ~1], fpu_fpr32[reg | 1]);
627 static inline void gen_store_fpr64 (DisasContext *ctx, TCGv_i64 t, int reg)
629 if (ctx->hflags & MIPS_HFLAG_F64)
630 tcg_gen_mov_i64(fpu_fpr64[reg], t);
632 tcg_gen_trunc_i64_i32(fpu_fpr32[reg & ~1], t);
633 tcg_gen_shri_i64(t, t, 32);
634 tcg_gen_trunc_i64_i32(fpu_fpr32[reg | 1], t);
638 static inline void gen_load_fpr32h (TCGv_i32 t, int reg)
640 tcg_gen_mov_i32(t, fpu_fpr32h[reg]);
643 static inline void gen_store_fpr32h (TCGv_i32 t, int reg)
645 tcg_gen_mov_i32(fpu_fpr32h[reg], t);
648 static inline void get_fp_cond (TCGv_i32 t)
650 TCGv_i32 r_tmp1 = tcg_temp_new_i32();
651 TCGv_i32 r_tmp2 = tcg_temp_new_i32();
653 tcg_gen_shri_i32(r_tmp2, fpu_fcr31, 24);
654 tcg_gen_andi_i32(r_tmp2, r_tmp2, 0xfe);
655 tcg_gen_shri_i32(r_tmp1, fpu_fcr31, 23);
656 tcg_gen_andi_i32(r_tmp1, r_tmp1, 0x1);
657 tcg_gen_or_i32(t, r_tmp1, r_tmp2);
658 tcg_temp_free_i32(r_tmp1);
659 tcg_temp_free_i32(r_tmp2);
662 #define FOP_CONDS(type, fmt, bits) \
663 static inline void gen_cmp ## type ## _ ## fmt(int n, TCGv_i##bits a, \
664 TCGv_i##bits b, int cc) \
667 case 0: gen_helper_2i(cmp ## type ## _ ## fmt ## _f, a, b, cc); break;\
668 case 1: gen_helper_2i(cmp ## type ## _ ## fmt ## _un, a, b, cc); break;\
669 case 2: gen_helper_2i(cmp ## type ## _ ## fmt ## _eq, a, b, cc); break;\
670 case 3: gen_helper_2i(cmp ## type ## _ ## fmt ## _ueq, a, b, cc); break;\
671 case 4: gen_helper_2i(cmp ## type ## _ ## fmt ## _olt, a, b, cc); break;\
672 case 5: gen_helper_2i(cmp ## type ## _ ## fmt ## _ult, a, b, cc); break;\
673 case 6: gen_helper_2i(cmp ## type ## _ ## fmt ## _ole, a, b, cc); break;\
674 case 7: gen_helper_2i(cmp ## type ## _ ## fmt ## _ule, a, b, cc); break;\
675 case 8: gen_helper_2i(cmp ## type ## _ ## fmt ## _sf, a, b, cc); break;\
676 case 9: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngle, a, b, cc); break;\
677 case 10: gen_helper_2i(cmp ## type ## _ ## fmt ## _seq, a, b, cc); break;\
678 case 11: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngl, a, b, cc); break;\
679 case 12: gen_helper_2i(cmp ## type ## _ ## fmt ## _lt, a, b, cc); break;\
680 case 13: gen_helper_2i(cmp ## type ## _ ## fmt ## _nge, a, b, cc); break;\
681 case 14: gen_helper_2i(cmp ## type ## _ ## fmt ## _le, a, b, cc); break;\
682 case 15: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngt, a, b, cc); break;\
688 FOP_CONDS(abs, d, 64)
690 FOP_CONDS(abs, s, 32)
692 FOP_CONDS(abs, ps, 64)
696 #define OP_COND(name, cond) \
697 static inline void glue(gen_op_, name) (TCGv t0, TCGv t1) \
699 int l1 = gen_new_label(); \
700 int l2 = gen_new_label(); \
702 tcg_gen_brcond_tl(cond, t0, t1, l1); \
703 tcg_gen_movi_tl(t0, 0); \
706 tcg_gen_movi_tl(t0, 1); \
709 OP_COND(eq, TCG_COND_EQ);
710 OP_COND(ne, TCG_COND_NE);
711 OP_COND(ge, TCG_COND_GE);
712 OP_COND(geu, TCG_COND_GEU);
713 OP_COND(lt, TCG_COND_LT);
714 OP_COND(ltu, TCG_COND_LTU);
717 #define OP_CONDI(name, cond) \
718 static inline void glue(gen_op_, name) (TCGv t, target_ulong val) \
720 int l1 = gen_new_label(); \
721 int l2 = gen_new_label(); \
723 tcg_gen_brcondi_tl(cond, t, val, l1); \
724 tcg_gen_movi_tl(t, 0); \
727 tcg_gen_movi_tl(t, 1); \
730 OP_CONDI(lti, TCG_COND_LT);
731 OP_CONDI(ltiu, TCG_COND_LTU);
734 #define OP_CONDZ(name, cond) \
735 static inline void glue(gen_op_, name) (TCGv t) \
737 int l1 = gen_new_label(); \
738 int l2 = gen_new_label(); \
740 tcg_gen_brcondi_tl(cond, t, 0, l1); \
741 tcg_gen_movi_tl(t, 0); \
744 tcg_gen_movi_tl(t, 1); \
747 OP_CONDZ(gez, TCG_COND_GE);
748 OP_CONDZ(gtz, TCG_COND_GT);
749 OP_CONDZ(lez, TCG_COND_LE);
750 OP_CONDZ(ltz, TCG_COND_LT);
753 static inline void gen_save_pc(target_ulong pc)
755 tcg_gen_movi_tl(cpu_PC, pc);
758 static inline void save_cpu_state (DisasContext *ctx, int do_save_pc)
760 LOG_DISAS("hflags %08x saved %08x\n", ctx->hflags, ctx->saved_hflags);
761 if (do_save_pc && ctx->pc != ctx->saved_pc) {
762 gen_save_pc(ctx->pc);
763 ctx->saved_pc = ctx->pc;
765 if (ctx->hflags != ctx->saved_hflags) {
766 TCGv_i32 r_tmp = tcg_temp_new_i32();
768 tcg_gen_movi_i32(r_tmp, ctx->hflags);
769 tcg_gen_st_i32(r_tmp, cpu_env, offsetof(CPUState, hflags));
770 tcg_temp_free_i32(r_tmp);
771 ctx->saved_hflags = ctx->hflags;
772 switch (ctx->hflags & MIPS_HFLAG_BMASK) {
778 tcg_gen_movi_tl(btarget, ctx->btarget);
784 static inline void restore_cpu_state (CPUState *env, DisasContext *ctx)
786 ctx->saved_hflags = ctx->hflags;
787 switch (ctx->hflags & MIPS_HFLAG_BMASK) {
793 ctx->btarget = env->btarget;
799 generate_exception_err (DisasContext *ctx, int excp, int err)
801 TCGv_i32 texcp = tcg_const_i32(excp);
802 TCGv_i32 terr = tcg_const_i32(err);
803 save_cpu_state(ctx, 1);
804 gen_helper_raise_exception_err(texcp, terr);
805 tcg_temp_free_i32(terr);
806 tcg_temp_free_i32(texcp);
807 gen_helper_interrupt_restart();
812 generate_exception (DisasContext *ctx, int excp)
814 save_cpu_state(ctx, 1);
815 gen_helper_0i(raise_exception, excp);
816 gen_helper_interrupt_restart();
820 /* Addresses computation */
821 static inline void gen_op_addr_add (DisasContext *ctx, TCGv t0, TCGv t1)
823 tcg_gen_add_tl(t0, t0, t1);
825 #if defined(TARGET_MIPS64)
826 /* For compatibility with 32-bit code, data reference in user mode
827 with Status_UX = 0 should be casted to 32-bit and sign extended.
828 See the MIPS64 PRA manual, section 4.10. */
829 if (((ctx->hflags & MIPS_HFLAG_KSU) == MIPS_HFLAG_UM) &&
830 !(ctx->hflags & MIPS_HFLAG_UX)) {
831 tcg_gen_ext32s_i64(t0, t0);
836 static inline void check_cp0_enabled(DisasContext *ctx)
838 if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0)))
839 generate_exception_err(ctx, EXCP_CpU, 1);
842 static inline void check_cp1_enabled(DisasContext *ctx)
844 if (unlikely(!(ctx->hflags & MIPS_HFLAG_FPU)))
845 generate_exception_err(ctx, EXCP_CpU, 1);
848 /* Verify that the processor is running with COP1X instructions enabled.
849 This is associated with the nabla symbol in the MIPS32 and MIPS64
852 static inline void check_cop1x(DisasContext *ctx)
854 if (unlikely(!(ctx->hflags & MIPS_HFLAG_COP1X)))
855 generate_exception(ctx, EXCP_RI);
858 /* Verify that the processor is running with 64-bit floating-point
859 operations enabled. */
861 static inline void check_cp1_64bitmode(DisasContext *ctx)
863 if (unlikely(~ctx->hflags & (MIPS_HFLAG_F64 | MIPS_HFLAG_COP1X)))
864 generate_exception(ctx, EXCP_RI);
868 * Verify if floating point register is valid; an operation is not defined
869 * if bit 0 of any register specification is set and the FR bit in the
870 * Status register equals zero, since the register numbers specify an
871 * even-odd pair of adjacent coprocessor general registers. When the FR bit
872 * in the Status register equals one, both even and odd register numbers
873 * are valid. This limitation exists only for 64 bit wide (d,l,ps) registers.
875 * Multiple 64 bit wide registers can be checked by calling
876 * gen_op_cp1_registers(freg1 | freg2 | ... | fregN);
878 static inline void check_cp1_registers(DisasContext *ctx, int regs)
880 if (unlikely(!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1)))
881 generate_exception(ctx, EXCP_RI);
884 /* This code generates a "reserved instruction" exception if the
885 CPU does not support the instruction set corresponding to flags. */
886 static inline void check_insn(CPUState *env, DisasContext *ctx, int flags)
888 if (unlikely(!(env->insn_flags & flags)))
889 generate_exception(ctx, EXCP_RI);
892 /* This code generates a "reserved instruction" exception if 64-bit
893 instructions are not enabled. */
894 static inline void check_mips_64(DisasContext *ctx)
896 if (unlikely(!(ctx->hflags & MIPS_HFLAG_64)))
897 generate_exception(ctx, EXCP_RI);
900 /* load/store instructions. */
901 #define OP_LD(insn,fname) \
902 static inline void op_ldst_##insn(TCGv t0, DisasContext *ctx) \
904 tcg_gen_qemu_##fname(t0, t0, ctx->mem_idx); \
911 #if defined(TARGET_MIPS64)
917 #define OP_ST(insn,fname) \
918 static inline void op_ldst_##insn(TCGv t0, TCGv t1, DisasContext *ctx) \
920 tcg_gen_qemu_##fname(t1, t0, ctx->mem_idx); \
925 #if defined(TARGET_MIPS64)
930 #define OP_LD_ATOMIC(insn,fname) \
931 static inline void op_ldst_##insn(TCGv t0, TCGv t1, DisasContext *ctx) \
933 tcg_gen_mov_tl(t1, t0); \
934 tcg_gen_qemu_##fname(t0, t0, ctx->mem_idx); \
935 tcg_gen_st_tl(t1, cpu_env, offsetof(CPUState, CP0_LLAddr)); \
937 OP_LD_ATOMIC(ll,ld32s);
938 #if defined(TARGET_MIPS64)
939 OP_LD_ATOMIC(lld,ld64);
943 #define OP_ST_ATOMIC(insn,fname,almask) \
944 static inline void op_ldst_##insn(TCGv t0, TCGv t1, DisasContext *ctx) \
946 TCGv r_tmp = tcg_temp_local_new(); \
947 int l1 = gen_new_label(); \
948 int l2 = gen_new_label(); \
949 int l3 = gen_new_label(); \
951 tcg_gen_andi_tl(r_tmp, t0, almask); \
952 tcg_gen_brcondi_tl(TCG_COND_EQ, r_tmp, 0, l1); \
953 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUState, CP0_BadVAddr)); \
954 generate_exception(ctx, EXCP_AdES); \
956 tcg_gen_ld_tl(r_tmp, cpu_env, offsetof(CPUState, CP0_LLAddr)); \
957 tcg_gen_brcond_tl(TCG_COND_NE, t0, r_tmp, l2); \
958 tcg_gen_qemu_##fname(t1, t0, ctx->mem_idx); \
959 tcg_gen_movi_tl(t0, 1); \
962 tcg_gen_movi_tl(t0, 0); \
964 tcg_temp_free(r_tmp); \
966 OP_ST_ATOMIC(sc,st32,0x3);
967 #if defined(TARGET_MIPS64)
968 OP_ST_ATOMIC(scd,st64,0x7);
973 static void gen_ldst (DisasContext *ctx, uint32_t opc, int rt,
974 int base, int16_t offset)
976 const char *opn = "ldst";
977 TCGv t0 = tcg_temp_local_new();
978 TCGv t1 = tcg_temp_local_new();
981 tcg_gen_movi_tl(t0, offset);
982 } else if (offset == 0) {
983 gen_load_gpr(t0, base);
985 tcg_gen_movi_tl(t0, offset);
986 gen_op_addr_add(ctx, t0, cpu_gpr[base]);
988 /* Don't do NOP if destination is zero: we must perform the actual
991 #if defined(TARGET_MIPS64)
993 op_ldst_lwu(t0, ctx);
994 gen_store_gpr(t0, rt);
999 gen_store_gpr(t0, rt);
1003 op_ldst_lld(t0, t1, ctx);
1004 gen_store_gpr(t0, rt);
1008 gen_load_gpr(t1, rt);
1009 op_ldst_sd(t0, t1, ctx);
1013 save_cpu_state(ctx, 1);
1014 gen_load_gpr(t1, rt);
1015 op_ldst_scd(t0, t1, ctx);
1016 gen_store_gpr(t0, rt);
1020 save_cpu_state(ctx, 1);
1021 gen_load_gpr(t1, rt);
1022 gen_helper_3i(ldl, t1, t0, t1, ctx->mem_idx);
1023 gen_store_gpr(t1, rt);
1027 save_cpu_state(ctx, 1);
1028 gen_load_gpr(t1, rt);
1029 gen_helper_2i(sdl, t0, t1, ctx->mem_idx);
1033 save_cpu_state(ctx, 1);
1034 gen_load_gpr(t1, rt);
1035 gen_helper_3i(ldr, t1, t0, t1, ctx->mem_idx);
1036 gen_store_gpr(t1, rt);
1040 save_cpu_state(ctx, 1);
1041 gen_load_gpr(t1, rt);
1042 gen_helper_2i(sdr, t0, t1, ctx->mem_idx);
1047 op_ldst_lw(t0, ctx);
1048 gen_store_gpr(t0, rt);
1052 gen_load_gpr(t1, rt);
1053 op_ldst_sw(t0, t1, ctx);
1057 op_ldst_lh(t0, ctx);
1058 gen_store_gpr(t0, rt);
1062 gen_load_gpr(t1, rt);
1063 op_ldst_sh(t0, t1, ctx);
1067 op_ldst_lhu(t0, ctx);
1068 gen_store_gpr(t0, rt);
1072 op_ldst_lb(t0, ctx);
1073 gen_store_gpr(t0, rt);
1077 gen_load_gpr(t1, rt);
1078 op_ldst_sb(t0, t1, ctx);
1082 op_ldst_lbu(t0, ctx);
1083 gen_store_gpr(t0, rt);
1087 save_cpu_state(ctx, 1);
1088 gen_load_gpr(t1, rt);
1089 gen_helper_3i(lwl, t1, t0, t1, ctx->mem_idx);
1090 gen_store_gpr(t1, rt);
1094 save_cpu_state(ctx, 1);
1095 gen_load_gpr(t1, rt);
1096 gen_helper_2i(swl, t0, t1, ctx->mem_idx);
1100 save_cpu_state(ctx, 1);
1101 gen_load_gpr(t1, rt);
1102 gen_helper_3i(lwr, t1, t0, t1, ctx->mem_idx);
1103 gen_store_gpr(t1, rt);
1107 save_cpu_state(ctx, 1);
1108 gen_load_gpr(t1, rt);
1109 gen_helper_2i(swr, t0, t1, ctx->mem_idx);
1113 op_ldst_ll(t0, t1, ctx);
1114 gen_store_gpr(t0, rt);
1118 save_cpu_state(ctx, 1);
1119 gen_load_gpr(t1, rt);
1120 op_ldst_sc(t0, t1, ctx);
1121 gen_store_gpr(t0, rt);
1126 generate_exception(ctx, EXCP_RI);
1129 MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]);
1135 /* Load and store */
1136 static void gen_flt_ldst (DisasContext *ctx, uint32_t opc, int ft,
1137 int base, int16_t offset)
1139 const char *opn = "flt_ldst";
1140 TCGv t0 = tcg_temp_local_new();
1143 tcg_gen_movi_tl(t0, offset);
1144 } else if (offset == 0) {
1145 gen_load_gpr(t0, base);
1147 tcg_gen_movi_tl(t0, offset);
1148 gen_op_addr_add(ctx, t0, cpu_gpr[base]);
1150 /* Don't do NOP if destination is zero: we must perform the actual
1155 TCGv_i32 fp0 = tcg_temp_new_i32();
1156 TCGv t1 = tcg_temp_new();
1158 tcg_gen_qemu_ld32s(t1, t0, ctx->mem_idx);
1159 tcg_gen_trunc_tl_i32(fp0, t1);
1160 gen_store_fpr32(fp0, ft);
1162 tcg_temp_free_i32(fp0);
1168 TCGv_i32 fp0 = tcg_temp_new_i32();
1169 TCGv t1 = tcg_temp_new();
1171 gen_load_fpr32(fp0, ft);
1172 tcg_gen_extu_i32_tl(t1, fp0);
1173 tcg_gen_qemu_st32(t1, t0, ctx->mem_idx);
1175 tcg_temp_free_i32(fp0);
1181 TCGv_i64 fp0 = tcg_temp_new_i64();
1183 tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx);
1184 gen_store_fpr64(ctx, fp0, ft);
1185 tcg_temp_free_i64(fp0);
1191 TCGv_i64 fp0 = tcg_temp_new_i64();
1193 gen_load_fpr64(ctx, fp0, ft);
1194 tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx);
1195 tcg_temp_free_i64(fp0);
1201 generate_exception(ctx, EXCP_RI);
1204 MIPS_DEBUG("%s %s, %d(%s)", opn, fregnames[ft], offset, regnames[base]);
1209 /* Arithmetic with immediate operand */
1210 static void gen_arith_imm (CPUState *env, DisasContext *ctx, uint32_t opc,
1211 int rt, int rs, int16_t imm)
1214 const char *opn = "imm arith";
1215 TCGv t0 = tcg_temp_local_new();
1217 if (rt == 0 && opc != OPC_ADDI && opc != OPC_DADDI) {
1218 /* If no destination, treat it as a NOP.
1219 For addi, we must generate the overflow exception when needed. */
1223 uimm = (uint16_t)imm;
1227 #if defined(TARGET_MIPS64)
1233 uimm = (target_long)imm; /* Sign extend to 32/64 bits */
1238 gen_load_gpr(t0, rs);
1241 tcg_gen_movi_tl(t0, imm << 16);
1246 #if defined(TARGET_MIPS64)
1255 gen_load_gpr(t0, rs);
1261 TCGv r_tmp1 = tcg_temp_new();
1262 TCGv r_tmp2 = tcg_temp_new();
1263 int l1 = gen_new_label();
1265 save_cpu_state(ctx, 1);
1266 tcg_gen_ext32s_tl(r_tmp1, t0);
1267 tcg_gen_addi_tl(t0, r_tmp1, uimm);
1269 tcg_gen_xori_tl(r_tmp1, r_tmp1, ~uimm);
1270 tcg_gen_xori_tl(r_tmp2, t0, uimm);
1271 tcg_gen_and_tl(r_tmp1, r_tmp1, r_tmp2);
1272 tcg_temp_free(r_tmp2);
1273 tcg_gen_brcondi_tl(TCG_COND_GE, r_tmp1, 0, l1);
1274 /* operands of same sign, result different sign */
1275 generate_exception(ctx, EXCP_OVERFLOW);
1277 tcg_temp_free(r_tmp1);
1279 tcg_gen_ext32s_tl(t0, t0);
1284 tcg_gen_addi_tl(t0, t0, uimm);
1285 tcg_gen_ext32s_tl(t0, t0);
1288 #if defined(TARGET_MIPS64)
1291 TCGv r_tmp1 = tcg_temp_new();
1292 TCGv r_tmp2 = tcg_temp_new();
1293 int l1 = gen_new_label();
1295 save_cpu_state(ctx, 1);
1296 tcg_gen_mov_tl(r_tmp1, t0);
1297 tcg_gen_addi_tl(t0, t0, uimm);
1299 tcg_gen_xori_tl(r_tmp1, r_tmp1, ~uimm);
1300 tcg_gen_xori_tl(r_tmp2, t0, uimm);
1301 tcg_gen_and_tl(r_tmp1, r_tmp1, r_tmp2);
1302 tcg_temp_free(r_tmp2);
1303 tcg_gen_brcondi_tl(TCG_COND_GE, r_tmp1, 0, l1);
1304 /* operands of same sign, result different sign */
1305 generate_exception(ctx, EXCP_OVERFLOW);
1307 tcg_temp_free(r_tmp1);
1312 tcg_gen_addi_tl(t0, t0, uimm);
1317 gen_op_lti(t0, uimm);
1321 gen_op_ltiu(t0, uimm);
1325 tcg_gen_andi_tl(t0, t0, uimm);
1329 tcg_gen_ori_tl(t0, t0, uimm);
1333 tcg_gen_xori_tl(t0, t0, uimm);
1340 tcg_gen_shli_tl(t0, t0, uimm);
1341 tcg_gen_ext32s_tl(t0, t0);
1345 tcg_gen_ext32s_tl(t0, t0);
1346 tcg_gen_sari_tl(t0, t0, uimm);
1350 switch ((ctx->opcode >> 21) & 0x1f) {
1353 tcg_gen_ext32u_tl(t0, t0);
1354 tcg_gen_shri_tl(t0, t0, uimm);
1356 tcg_gen_ext32s_tl(t0, t0);
1361 /* rotr is decoded as srl on non-R2 CPUs */
1362 if (env->insn_flags & ISA_MIPS32R2) {
1364 TCGv_i32 r_tmp1 = tcg_temp_new_i32();
1366 tcg_gen_trunc_tl_i32(r_tmp1, t0);
1367 tcg_gen_rotri_i32(r_tmp1, r_tmp1, uimm);
1368 tcg_gen_ext_i32_tl(t0, r_tmp1);
1369 tcg_temp_free_i32(r_tmp1);
1374 tcg_gen_ext32u_tl(t0, t0);
1375 tcg_gen_shri_tl(t0, t0, uimm);
1377 tcg_gen_ext32s_tl(t0, t0);
1383 MIPS_INVAL("invalid srl flag");
1384 generate_exception(ctx, EXCP_RI);
1388 #if defined(TARGET_MIPS64)
1390 tcg_gen_shli_tl(t0, t0, uimm);
1394 tcg_gen_sari_tl(t0, t0, uimm);
1398 switch ((ctx->opcode >> 21) & 0x1f) {
1400 tcg_gen_shri_tl(t0, t0, uimm);
1404 /* drotr is decoded as dsrl on non-R2 CPUs */
1405 if (env->insn_flags & ISA_MIPS32R2) {
1407 tcg_gen_rotri_tl(t0, t0, uimm);
1411 tcg_gen_shri_tl(t0, t0, uimm);
1416 MIPS_INVAL("invalid dsrl flag");
1417 generate_exception(ctx, EXCP_RI);
1422 tcg_gen_shli_tl(t0, t0, uimm + 32);
1426 tcg_gen_sari_tl(t0, t0, uimm + 32);
1430 switch ((ctx->opcode >> 21) & 0x1f) {
1432 tcg_gen_shri_tl(t0, t0, uimm + 32);
1436 /* drotr32 is decoded as dsrl32 on non-R2 CPUs */
1437 if (env->insn_flags & ISA_MIPS32R2) {
1438 tcg_gen_rotri_tl(t0, t0, uimm + 32);
1441 tcg_gen_shri_tl(t0, t0, uimm + 32);
1446 MIPS_INVAL("invalid dsrl32 flag");
1447 generate_exception(ctx, EXCP_RI);
1454 generate_exception(ctx, EXCP_RI);
1457 gen_store_gpr(t0, rt);
1458 MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
1464 static void gen_arith (CPUState *env, DisasContext *ctx, uint32_t opc,
1465 int rd, int rs, int rt)
1467 const char *opn = "arith";
1468 TCGv t0 = tcg_temp_local_new();
1469 TCGv t1 = tcg_temp_local_new();
1471 if (rd == 0 && opc != OPC_ADD && opc != OPC_SUB
1472 && opc != OPC_DADD && opc != OPC_DSUB) {
1473 /* If no destination, treat it as a NOP.
1474 For add & sub, we must generate the overflow exception when needed. */
1478 gen_load_gpr(t0, rs);
1479 /* Specialcase the conventional move operation. */
1480 if (rt == 0 && (opc == OPC_ADDU || opc == OPC_DADDU
1481 || opc == OPC_SUBU || opc == OPC_DSUBU)) {
1482 gen_store_gpr(t0, rd);
1485 gen_load_gpr(t1, rt);
1489 TCGv r_tmp1 = tcg_temp_new();
1490 TCGv r_tmp2 = tcg_temp_new();
1491 int l1 = gen_new_label();
1493 save_cpu_state(ctx, 1);
1494 tcg_gen_ext32s_tl(r_tmp1, t0);
1495 tcg_gen_ext32s_tl(r_tmp2, t1);
1496 tcg_gen_add_tl(t0, r_tmp1, r_tmp2);
1498 tcg_gen_xor_tl(r_tmp1, r_tmp1, t1);
1499 tcg_gen_xori_tl(r_tmp1, r_tmp1, -1);
1500 tcg_gen_xor_tl(r_tmp2, t0, t1);
1501 tcg_gen_and_tl(r_tmp1, r_tmp1, r_tmp2);
1502 tcg_temp_free(r_tmp2);
1503 tcg_gen_brcondi_tl(TCG_COND_GE, r_tmp1, 0, l1);
1504 /* operands of same sign, result different sign */
1505 generate_exception(ctx, EXCP_OVERFLOW);
1507 tcg_temp_free(r_tmp1);
1509 tcg_gen_ext32s_tl(t0, t0);
1514 tcg_gen_add_tl(t0, t0, t1);
1515 tcg_gen_ext32s_tl(t0, t0);
1520 TCGv r_tmp1 = tcg_temp_new();
1521 TCGv r_tmp2 = tcg_temp_new();
1522 int l1 = gen_new_label();
1524 save_cpu_state(ctx, 1);
1525 tcg_gen_ext32s_tl(r_tmp1, t0);
1526 tcg_gen_ext32s_tl(r_tmp2, t1);
1527 tcg_gen_sub_tl(t0, r_tmp1, r_tmp2);
1529 tcg_gen_xor_tl(r_tmp2, r_tmp1, t1);
1530 tcg_gen_xor_tl(r_tmp1, r_tmp1, t0);
1531 tcg_gen_and_tl(r_tmp1, r_tmp1, r_tmp2);
1532 tcg_temp_free(r_tmp2);
1533 tcg_gen_brcondi_tl(TCG_COND_GE, r_tmp1, 0, l1);
1534 /* operands of different sign, first operand and result different sign */
1535 generate_exception(ctx, EXCP_OVERFLOW);
1537 tcg_temp_free(r_tmp1);
1539 tcg_gen_ext32s_tl(t0, t0);
1544 tcg_gen_sub_tl(t0, t0, t1);
1545 tcg_gen_ext32s_tl(t0, t0);
1548 #if defined(TARGET_MIPS64)
1551 TCGv r_tmp1 = tcg_temp_new();
1552 TCGv r_tmp2 = tcg_temp_new();
1553 int l1 = gen_new_label();
1555 save_cpu_state(ctx, 1);
1556 tcg_gen_mov_tl(r_tmp1, t0);
1557 tcg_gen_add_tl(t0, t0, t1);
1559 tcg_gen_xor_tl(r_tmp1, r_tmp1, t1);
1560 tcg_gen_xori_tl(r_tmp1, r_tmp1, -1);
1561 tcg_gen_xor_tl(r_tmp2, t0, t1);
1562 tcg_gen_and_tl(r_tmp1, r_tmp1, r_tmp2);
1563 tcg_temp_free(r_tmp2);
1564 tcg_gen_brcondi_tl(TCG_COND_GE, r_tmp1, 0, l1);
1565 /* operands of same sign, result different sign */
1566 generate_exception(ctx, EXCP_OVERFLOW);
1568 tcg_temp_free(r_tmp1);
1573 tcg_gen_add_tl(t0, t0, t1);
1578 TCGv r_tmp1 = tcg_temp_new();
1579 TCGv r_tmp2 = tcg_temp_new();
1580 int l1 = gen_new_label();
1582 save_cpu_state(ctx, 1);
1583 tcg_gen_mov_tl(r_tmp1, t0);
1584 tcg_gen_sub_tl(t0, t0, t1);
1586 tcg_gen_xor_tl(r_tmp2, r_tmp1, t1);
1587 tcg_gen_xor_tl(r_tmp1, r_tmp1, t0);
1588 tcg_gen_and_tl(r_tmp1, r_tmp1, r_tmp2);
1589 tcg_temp_free(r_tmp2);
1590 tcg_gen_brcondi_tl(TCG_COND_GE, r_tmp1, 0, l1);
1591 /* operands of different sign, first operand and result different sign */
1592 generate_exception(ctx, EXCP_OVERFLOW);
1594 tcg_temp_free(r_tmp1);
1599 tcg_gen_sub_tl(t0, t0, t1);
1612 tcg_gen_and_tl(t0, t0, t1);
1616 tcg_gen_or_tl(t0, t0, t1);
1617 tcg_gen_not_tl(t0, t0);
1621 tcg_gen_or_tl(t0, t0, t1);
1625 tcg_gen_xor_tl(t0, t0, t1);
1629 tcg_gen_mul_tl(t0, t0, t1);
1630 tcg_gen_ext32s_tl(t0, t0);
1635 int l1 = gen_new_label();
1637 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
1638 gen_store_gpr(t0, rd);
1645 int l1 = gen_new_label();
1647 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
1648 gen_store_gpr(t0, rd);
1654 tcg_gen_andi_tl(t0, t0, 0x1f);
1655 tcg_gen_shl_tl(t0, t1, t0);
1656 tcg_gen_ext32s_tl(t0, t0);
1660 tcg_gen_ext32s_tl(t1, t1);
1661 tcg_gen_andi_tl(t0, t0, 0x1f);
1662 tcg_gen_sar_tl(t0, t1, t0);
1666 switch ((ctx->opcode >> 6) & 0x1f) {
1668 tcg_gen_ext32u_tl(t1, t1);
1669 tcg_gen_andi_tl(t0, t0, 0x1f);
1670 tcg_gen_shr_tl(t0, t1, t0);
1671 tcg_gen_ext32s_tl(t0, t0);
1675 /* rotrv is decoded as srlv on non-R2 CPUs */
1676 if (env->insn_flags & ISA_MIPS32R2) {
1677 int l1 = gen_new_label();
1678 int l2 = gen_new_label();
1680 tcg_gen_andi_tl(t0, t0, 0x1f);
1681 tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
1683 TCGv_i32 r_tmp1 = tcg_temp_new_i32();
1684 TCGv_i32 r_tmp2 = tcg_temp_new_i32();
1686 tcg_gen_trunc_tl_i32(r_tmp1, t0);
1687 tcg_gen_trunc_tl_i32(r_tmp2, t1);
1688 tcg_gen_rotr_i32(r_tmp1, r_tmp1, r_tmp2);
1689 tcg_temp_free_i32(r_tmp1);
1690 tcg_temp_free_i32(r_tmp2);
1694 tcg_gen_mov_tl(t0, t1);
1698 tcg_gen_ext32u_tl(t1, t1);
1699 tcg_gen_andi_tl(t0, t0, 0x1f);
1700 tcg_gen_shr_tl(t0, t1, t0);
1701 tcg_gen_ext32s_tl(t0, t0);
1706 MIPS_INVAL("invalid srlv flag");
1707 generate_exception(ctx, EXCP_RI);
1711 #if defined(TARGET_MIPS64)
1713 tcg_gen_andi_tl(t0, t0, 0x3f);
1714 tcg_gen_shl_tl(t0, t1, t0);
1718 tcg_gen_andi_tl(t0, t0, 0x3f);
1719 tcg_gen_sar_tl(t0, t1, t0);
1723 switch ((ctx->opcode >> 6) & 0x1f) {
1725 tcg_gen_andi_tl(t0, t0, 0x3f);
1726 tcg_gen_shr_tl(t0, t1, t0);
1730 /* drotrv is decoded as dsrlv on non-R2 CPUs */
1731 if (env->insn_flags & ISA_MIPS32R2) {
1732 int l1 = gen_new_label();
1733 int l2 = gen_new_label();
1735 tcg_gen_andi_tl(t0, t0, 0x3f);
1736 tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
1738 tcg_gen_rotr_tl(t0, t1, t0);
1742 tcg_gen_mov_tl(t0, t1);
1746 tcg_gen_andi_tl(t0, t0, 0x3f);
1747 tcg_gen_shr_tl(t0, t1, t0);
1752 MIPS_INVAL("invalid dsrlv flag");
1753 generate_exception(ctx, EXCP_RI);
1760 generate_exception(ctx, EXCP_RI);
1763 gen_store_gpr(t0, rd);
1765 MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
1771 /* Arithmetic on HI/LO registers */
1772 static void gen_HILO (DisasContext *ctx, uint32_t opc, int reg)
1774 const char *opn = "hilo";
1775 TCGv t0 = tcg_temp_local_new();
1777 if (reg == 0 && (opc == OPC_MFHI || opc == OPC_MFLO)) {
1784 tcg_gen_mov_tl(t0, cpu_HI[0]);
1785 gen_store_gpr(t0, reg);
1789 tcg_gen_mov_tl(t0, cpu_LO[0]);
1790 gen_store_gpr(t0, reg);
1794 gen_load_gpr(t0, reg);
1795 tcg_gen_mov_tl(cpu_HI[0], t0);
1799 gen_load_gpr(t0, reg);
1800 tcg_gen_mov_tl(cpu_LO[0], t0);
1805 generate_exception(ctx, EXCP_RI);
1808 MIPS_DEBUG("%s %s", opn, regnames[reg]);
1813 static void gen_muldiv (DisasContext *ctx, uint32_t opc,
1816 const char *opn = "mul/div";
1817 TCGv t0 = tcg_temp_local_new();
1818 TCGv t1 = tcg_temp_local_new();
1820 gen_load_gpr(t0, rs);
1821 gen_load_gpr(t1, rt);
1825 int l1 = gen_new_label();
1827 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
1829 int l2 = gen_new_label();
1830 TCGv_i32 r_tmp1 = tcg_temp_local_new_i32();
1831 TCGv_i32 r_tmp2 = tcg_temp_local_new_i32();
1832 TCGv_i32 r_tmp3 = tcg_temp_local_new_i32();
1834 tcg_gen_trunc_tl_i32(r_tmp1, t0);
1835 tcg_gen_trunc_tl_i32(r_tmp2, t1);
1836 tcg_gen_brcondi_i32(TCG_COND_NE, r_tmp1, -1 << 31, l2);
1837 tcg_gen_brcondi_i32(TCG_COND_NE, r_tmp2, -1, l2);
1838 tcg_gen_ext32s_tl(cpu_LO[0], t0);
1839 tcg_gen_movi_tl(cpu_HI[0], 0);
1842 tcg_gen_div_i32(r_tmp3, r_tmp1, r_tmp2);
1843 tcg_gen_rem_i32(r_tmp2, r_tmp1, r_tmp2);
1844 tcg_gen_ext_i32_tl(cpu_LO[0], r_tmp3);
1845 tcg_gen_ext_i32_tl(cpu_HI[0], r_tmp2);
1846 tcg_temp_free_i32(r_tmp1);
1847 tcg_temp_free_i32(r_tmp2);
1848 tcg_temp_free_i32(r_tmp3);
1856 int l1 = gen_new_label();
1858 tcg_gen_ext32s_tl(t1, t1);
1859 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
1861 TCGv_i32 r_tmp1 = tcg_temp_new_i32();
1862 TCGv_i32 r_tmp2 = tcg_temp_new_i32();
1863 TCGv_i32 r_tmp3 = tcg_temp_new_i32();
1865 tcg_gen_trunc_tl_i32(r_tmp1, t0);
1866 tcg_gen_trunc_tl_i32(r_tmp2, t1);
1867 tcg_gen_divu_i32(r_tmp3, r_tmp1, r_tmp2);
1868 tcg_gen_remu_i32(r_tmp1, r_tmp1, r_tmp2);
1869 tcg_gen_ext_i32_tl(cpu_LO[0], r_tmp3);
1870 tcg_gen_ext_i32_tl(cpu_HI[0], r_tmp1);
1871 tcg_temp_free_i32(r_tmp1);
1872 tcg_temp_free_i32(r_tmp2);
1873 tcg_temp_free_i32(r_tmp3);
1881 TCGv_i64 r_tmp1 = tcg_temp_new_i64();
1882 TCGv_i64 r_tmp2 = tcg_temp_new_i64();
1884 tcg_gen_ext_tl_i64(r_tmp1, t0);
1885 tcg_gen_ext_tl_i64(r_tmp2, t1);
1886 tcg_gen_mul_i64(r_tmp1, r_tmp1, r_tmp2);
1887 tcg_temp_free_i64(r_tmp2);
1888 tcg_gen_trunc_i64_tl(t0, r_tmp1);
1889 tcg_gen_shri_i64(r_tmp1, r_tmp1, 32);
1890 tcg_gen_trunc_i64_tl(t1, r_tmp1);
1891 tcg_temp_free_i64(r_tmp1);
1892 tcg_gen_ext32s_tl(cpu_LO[0], t0);
1893 tcg_gen_ext32s_tl(cpu_HI[0], t1);
1899 TCGv_i64 r_tmp1 = tcg_temp_new_i64();
1900 TCGv_i64 r_tmp2 = tcg_temp_new_i64();
1902 tcg_gen_ext32u_tl(t0, t0);
1903 tcg_gen_ext32u_tl(t1, t1);
1904 tcg_gen_extu_tl_i64(r_tmp1, t0);
1905 tcg_gen_extu_tl_i64(r_tmp2, t1);
1906 tcg_gen_mul_i64(r_tmp1, r_tmp1, r_tmp2);
1907 tcg_temp_free_i64(r_tmp2);
1908 tcg_gen_trunc_i64_tl(t0, r_tmp1);
1909 tcg_gen_shri_i64(r_tmp1, r_tmp1, 32);
1910 tcg_gen_trunc_i64_tl(t1, r_tmp1);
1911 tcg_temp_free_i64(r_tmp1);
1912 tcg_gen_ext32s_tl(cpu_LO[0], t0);
1913 tcg_gen_ext32s_tl(cpu_HI[0], t1);
1917 #if defined(TARGET_MIPS64)
1920 int l1 = gen_new_label();
1922 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
1924 int l2 = gen_new_label();
1926 tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2);
1927 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2);
1928 tcg_gen_mov_tl(cpu_LO[0], t0);
1929 tcg_gen_movi_tl(cpu_HI[0], 0);
1932 tcg_gen_div_i64(cpu_LO[0], t0, t1);
1933 tcg_gen_rem_i64(cpu_HI[0], t0, t1);
1941 int l1 = gen_new_label();
1943 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
1944 tcg_gen_divu_i64(cpu_LO[0], t0, t1);
1945 tcg_gen_remu_i64(cpu_HI[0], t0, t1);
1951 gen_helper_dmult(t0, t1);
1955 gen_helper_dmultu(t0, t1);
1961 TCGv_i64 r_tmp1 = tcg_temp_new_i64();
1962 TCGv_i64 r_tmp2 = tcg_temp_new_i64();
1964 tcg_gen_ext_tl_i64(r_tmp1, t0);
1965 tcg_gen_ext_tl_i64(r_tmp2, t1);
1966 tcg_gen_mul_i64(r_tmp1, r_tmp1, r_tmp2);
1967 tcg_gen_concat_tl_i64(r_tmp2, cpu_LO[0], cpu_HI[0]);
1968 tcg_gen_add_i64(r_tmp1, r_tmp1, r_tmp2);
1969 tcg_temp_free_i64(r_tmp2);
1970 tcg_gen_trunc_i64_tl(t0, r_tmp1);
1971 tcg_gen_shri_i64(r_tmp1, r_tmp1, 32);
1972 tcg_gen_trunc_i64_tl(t1, r_tmp1);
1973 tcg_temp_free_i64(r_tmp1);
1974 tcg_gen_ext32s_tl(cpu_LO[0], t0);
1975 tcg_gen_ext32s_tl(cpu_LO[1], t1);
1981 TCGv_i64 r_tmp1 = tcg_temp_new_i64();
1982 TCGv_i64 r_tmp2 = tcg_temp_new_i64();
1984 tcg_gen_ext32u_tl(t0, t0);
1985 tcg_gen_ext32u_tl(t1, t1);
1986 tcg_gen_extu_tl_i64(r_tmp1, t0);
1987 tcg_gen_extu_tl_i64(r_tmp2, t1);
1988 tcg_gen_mul_i64(r_tmp1, r_tmp1, r_tmp2);
1989 tcg_gen_concat_tl_i64(r_tmp2, cpu_LO[0], cpu_HI[0]);
1990 tcg_gen_add_i64(r_tmp1, r_tmp1, r_tmp2);
1991 tcg_temp_free_i64(r_tmp2);
1992 tcg_gen_trunc_i64_tl(t0, r_tmp1);
1993 tcg_gen_shri_i64(r_tmp1, r_tmp1, 32);
1994 tcg_gen_trunc_i64_tl(t1, r_tmp1);
1995 tcg_temp_free_i64(r_tmp1);
1996 tcg_gen_ext32s_tl(cpu_LO[0], t0);
1997 tcg_gen_ext32s_tl(cpu_HI[0], t1);
2003 TCGv_i64 r_tmp1 = tcg_temp_new_i64();
2004 TCGv_i64 r_tmp2 = tcg_temp_new_i64();
2006 tcg_gen_ext_tl_i64(r_tmp1, t0);
2007 tcg_gen_ext_tl_i64(r_tmp2, t1);
2008 tcg_gen_mul_i64(r_tmp1, r_tmp1, r_tmp2);
2009 tcg_gen_concat_tl_i64(r_tmp2, cpu_LO[0], cpu_HI[0]);
2010 tcg_gen_sub_i64(r_tmp1, r_tmp1, r_tmp2);
2011 tcg_temp_free_i64(r_tmp2);
2012 tcg_gen_trunc_i64_tl(t0, r_tmp1);
2013 tcg_gen_shri_i64(r_tmp1, r_tmp1, 32);
2014 tcg_gen_trunc_i64_tl(t1, r_tmp1);
2015 tcg_temp_free_i64(r_tmp1);
2016 tcg_gen_ext32s_tl(cpu_LO[0], t0);
2017 tcg_gen_ext32s_tl(cpu_HI[0], t1);
2023 TCGv_i64 r_tmp1 = tcg_temp_new_i64();
2024 TCGv_i64 r_tmp2 = tcg_temp_new_i64();
2026 tcg_gen_ext32u_tl(t0, t0);
2027 tcg_gen_ext32u_tl(t1, t1);
2028 tcg_gen_extu_tl_i64(r_tmp1, t0);
2029 tcg_gen_extu_tl_i64(r_tmp2, t1);
2030 tcg_gen_mul_i64(r_tmp1, r_tmp1, r_tmp2);
2031 tcg_gen_concat_tl_i64(r_tmp2, cpu_LO[0], cpu_HI[0]);
2032 tcg_gen_sub_i64(r_tmp1, r_tmp1, r_tmp2);
2033 tcg_temp_free_i64(r_tmp2);
2034 tcg_gen_trunc_i64_tl(t0, r_tmp1);
2035 tcg_gen_shri_i64(r_tmp1, r_tmp1, 32);
2036 tcg_gen_trunc_i64_tl(t1, r_tmp1);
2037 tcg_temp_free_i64(r_tmp1);
2038 tcg_gen_ext32s_tl(cpu_LO[0], t0);
2039 tcg_gen_ext32s_tl(cpu_HI[0], t1);
2045 generate_exception(ctx, EXCP_RI);
2048 MIPS_DEBUG("%s %s %s", opn, regnames[rs], regnames[rt]);
2054 static void gen_mul_vr54xx (DisasContext *ctx, uint32_t opc,
2055 int rd, int rs, int rt)
2057 const char *opn = "mul vr54xx";
2058 TCGv t0 = tcg_temp_local_new();
2059 TCGv t1 = tcg_temp_local_new();
2061 gen_load_gpr(t0, rs);
2062 gen_load_gpr(t1, rt);
2065 case OPC_VR54XX_MULS:
2066 gen_helper_muls(t0, t0, t1);
2069 case OPC_VR54XX_MULSU:
2070 gen_helper_mulsu(t0, t0, t1);
2073 case OPC_VR54XX_MACC:
2074 gen_helper_macc(t0, t0, t1);
2077 case OPC_VR54XX_MACCU:
2078 gen_helper_maccu(t0, t0, t1);
2081 case OPC_VR54XX_MSAC:
2082 gen_helper_msac(t0, t0, t1);
2085 case OPC_VR54XX_MSACU:
2086 gen_helper_msacu(t0, t0, t1);
2089 case OPC_VR54XX_MULHI:
2090 gen_helper_mulhi(t0, t0, t1);
2093 case OPC_VR54XX_MULHIU:
2094 gen_helper_mulhiu(t0, t0, t1);
2097 case OPC_VR54XX_MULSHI:
2098 gen_helper_mulshi(t0, t0, t1);
2101 case OPC_VR54XX_MULSHIU:
2102 gen_helper_mulshiu(t0, t0, t1);
2105 case OPC_VR54XX_MACCHI:
2106 gen_helper_macchi(t0, t0, t1);
2109 case OPC_VR54XX_MACCHIU:
2110 gen_helper_macchiu(t0, t0, t1);
2113 case OPC_VR54XX_MSACHI:
2114 gen_helper_msachi(t0, t0, t1);
2117 case OPC_VR54XX_MSACHIU:
2118 gen_helper_msachiu(t0, t0, t1);
2122 MIPS_INVAL("mul vr54xx");
2123 generate_exception(ctx, EXCP_RI);
2126 gen_store_gpr(t0, rd);
2127 MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
2134 static void gen_cl (DisasContext *ctx, uint32_t opc,
2137 const char *opn = "CLx";
2138 TCGv t0 = tcg_temp_local_new();
2145 gen_load_gpr(t0, rs);
2148 gen_helper_clo(t0, t0);
2152 gen_helper_clz(t0, t0);
2155 #if defined(TARGET_MIPS64)
2157 gen_helper_dclo(t0, t0);
2161 gen_helper_dclz(t0, t0);
2167 generate_exception(ctx, EXCP_RI);
2170 gen_store_gpr(t0, rd);
2171 MIPS_DEBUG("%s %s, %s", opn, regnames[rd], regnames[rs]);
2178 static void gen_trap (DisasContext *ctx, uint32_t opc,
2179 int rs, int rt, int16_t imm)
2182 TCGv t0 = tcg_temp_local_new();
2183 TCGv t1 = tcg_temp_local_new();
2186 /* Load needed operands */
2194 /* Compare two registers */
2196 gen_load_gpr(t0, rs);
2197 gen_load_gpr(t1, rt);
2207 /* Compare register to immediate */
2208 if (rs != 0 || imm != 0) {
2209 gen_load_gpr(t0, rs);
2210 tcg_gen_movi_tl(t1, (int32_t)imm);
2217 case OPC_TEQ: /* rs == rs */
2218 case OPC_TEQI: /* r0 == 0 */
2219 case OPC_TGE: /* rs >= rs */
2220 case OPC_TGEI: /* r0 >= 0 */
2221 case OPC_TGEU: /* rs >= rs unsigned */
2222 case OPC_TGEIU: /* r0 >= 0 unsigned */
2224 tcg_gen_movi_tl(t0, 1);
2226 case OPC_TLT: /* rs < rs */
2227 case OPC_TLTI: /* r0 < 0 */
2228 case OPC_TLTU: /* rs < rs unsigned */
2229 case OPC_TLTIU: /* r0 < 0 unsigned */
2230 case OPC_TNE: /* rs != rs */
2231 case OPC_TNEI: /* r0 != 0 */
2232 /* Never trap: treat as NOP. */
2236 generate_exception(ctx, EXCP_RI);
2267 generate_exception(ctx, EXCP_RI);
2271 save_cpu_state(ctx, 1);
2273 int l1 = gen_new_label();
2275 tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
2276 gen_helper_0i(raise_exception, EXCP_TRAP);
2279 ctx->bstate = BS_STOP;
2285 static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
2287 TranslationBlock *tb;
2289 if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) {
2292 tcg_gen_exit_tb((long)tb + n);
2299 /* Branches (before delay slot) */
2300 static void gen_compute_branch (DisasContext *ctx, uint32_t opc,
2301 int rs, int rt, int32_t offset)
2303 target_ulong btgt = -1;
2305 int bcond_compute = 0;
2306 TCGv t0 = tcg_temp_local_new();
2307 TCGv t1 = tcg_temp_local_new();
2309 if (ctx->hflags & MIPS_HFLAG_BMASK) {
2310 #ifdef MIPS_DEBUG_DISAS
2311 LOG_DISAS("Branch in delay slot at PC 0x" TARGET_FMT_lx "\n", ctx->pc);
2313 generate_exception(ctx, EXCP_RI);
2317 /* Load needed operands */
2323 /* Compare two registers */
2325 gen_load_gpr(t0, rs);
2326 gen_load_gpr(t1, rt);
2329 btgt = ctx->pc + 4 + offset;
2343 /* Compare to zero */
2345 gen_load_gpr(t0, rs);
2348 btgt = ctx->pc + 4 + offset;
2352 /* Jump to immediate */
2353 btgt = ((ctx->pc + 4) & (int32_t)0xF0000000) | (uint32_t)offset;
2357 /* Jump to register */
2358 if (offset != 0 && offset != 16) {
2359 /* Hint = 0 is JR/JALR, hint 16 is JR.HB/JALR.HB, the
2360 others are reserved. */
2361 MIPS_INVAL("jump hint");
2362 generate_exception(ctx, EXCP_RI);
2365 gen_load_gpr(btarget, rs);
2368 MIPS_INVAL("branch/jump");
2369 generate_exception(ctx, EXCP_RI);
2372 if (bcond_compute == 0) {
2373 /* No condition to be computed */
2375 case OPC_BEQ: /* rx == rx */
2376 case OPC_BEQL: /* rx == rx likely */
2377 case OPC_BGEZ: /* 0 >= 0 */
2378 case OPC_BGEZL: /* 0 >= 0 likely */
2379 case OPC_BLEZ: /* 0 <= 0 */
2380 case OPC_BLEZL: /* 0 <= 0 likely */
2382 ctx->hflags |= MIPS_HFLAG_B;
2383 MIPS_DEBUG("balways");
2385 case OPC_BGEZAL: /* 0 >= 0 */
2386 case OPC_BGEZALL: /* 0 >= 0 likely */
2387 /* Always take and link */
2389 ctx->hflags |= MIPS_HFLAG_B;
2390 MIPS_DEBUG("balways and link");
2392 case OPC_BNE: /* rx != rx */
2393 case OPC_BGTZ: /* 0 > 0 */
2394 case OPC_BLTZ: /* 0 < 0 */
2396 MIPS_DEBUG("bnever (NOP)");
2398 case OPC_BLTZAL: /* 0 < 0 */
2399 tcg_gen_movi_tl(t0, ctx->pc + 8);
2400 gen_store_gpr(t0, 31);
2401 MIPS_DEBUG("bnever and link");
2403 case OPC_BLTZALL: /* 0 < 0 likely */
2404 tcg_gen_movi_tl(t0, ctx->pc + 8);
2405 gen_store_gpr(t0, 31);
2406 /* Skip the instruction in the delay slot */
2407 MIPS_DEBUG("bnever, link and skip");
2410 case OPC_BNEL: /* rx != rx likely */
2411 case OPC_BGTZL: /* 0 > 0 likely */
2412 case OPC_BLTZL: /* 0 < 0 likely */
2413 /* Skip the instruction in the delay slot */
2414 MIPS_DEBUG("bnever and skip");
2418 ctx->hflags |= MIPS_HFLAG_B;
2419 MIPS_DEBUG("j " TARGET_FMT_lx, btgt);
2423 ctx->hflags |= MIPS_HFLAG_B;
2424 MIPS_DEBUG("jal " TARGET_FMT_lx, btgt);
2427 ctx->hflags |= MIPS_HFLAG_BR;
2428 MIPS_DEBUG("jr %s", regnames[rs]);
2432 ctx->hflags |= MIPS_HFLAG_BR;
2433 MIPS_DEBUG("jalr %s, %s", regnames[rt], regnames[rs]);
2436 MIPS_INVAL("branch/jump");
2437 generate_exception(ctx, EXCP_RI);
2444 MIPS_DEBUG("beq %s, %s, " TARGET_FMT_lx,
2445 regnames[rs], regnames[rt], btgt);
2449 MIPS_DEBUG("beql %s, %s, " TARGET_FMT_lx,
2450 regnames[rs], regnames[rt], btgt);
2454 MIPS_DEBUG("bne %s, %s, " TARGET_FMT_lx,
2455 regnames[rs], regnames[rt], btgt);
2459 MIPS_DEBUG("bnel %s, %s, " TARGET_FMT_lx,
2460 regnames[rs], regnames[rt], btgt);
2464 MIPS_DEBUG("bgez %s, " TARGET_FMT_lx, regnames[rs], btgt);
2468 MIPS_DEBUG("bgezl %s, " TARGET_FMT_lx, regnames[rs], btgt);
2472 MIPS_DEBUG("bgezal %s, " TARGET_FMT_lx, regnames[rs], btgt);
2478 MIPS_DEBUG("bgezall %s, " TARGET_FMT_lx, regnames[rs], btgt);
2482 MIPS_DEBUG("bgtz %s, " TARGET_FMT_lx, regnames[rs], btgt);
2486 MIPS_DEBUG("bgtzl %s, " TARGET_FMT_lx, regnames[rs], btgt);
2490 MIPS_DEBUG("blez %s, " TARGET_FMT_lx, regnames[rs], btgt);
2494 MIPS_DEBUG("blezl %s, " TARGET_FMT_lx, regnames[rs], btgt);
2498 MIPS_DEBUG("bltz %s, " TARGET_FMT_lx, regnames[rs], btgt);
2502 MIPS_DEBUG("bltzl %s, " TARGET_FMT_lx, regnames[rs], btgt);
2507 MIPS_DEBUG("bltzal %s, " TARGET_FMT_lx, regnames[rs], btgt);
2509 ctx->hflags |= MIPS_HFLAG_BC;
2510 tcg_gen_trunc_tl_i32(bcond, t0);
2515 MIPS_DEBUG("bltzall %s, " TARGET_FMT_lx, regnames[rs], btgt);
2517 ctx->hflags |= MIPS_HFLAG_BL;
2518 tcg_gen_trunc_tl_i32(bcond, t0);
2521 MIPS_INVAL("conditional branch/jump");
2522 generate_exception(ctx, EXCP_RI);
2526 MIPS_DEBUG("enter ds: link %d cond %02x target " TARGET_FMT_lx,
2527 blink, ctx->hflags, btgt);
2529 ctx->btarget = btgt;
2531 tcg_gen_movi_tl(t0, ctx->pc + 8);
2532 gen_store_gpr(t0, blink);
2540 /* special3 bitfield operations */
2541 static void gen_bitops (DisasContext *ctx, uint32_t opc, int rt,
2542 int rs, int lsb, int msb)
2544 TCGv t0 = tcg_temp_new();
2545 TCGv t1 = tcg_temp_new();
2548 gen_load_gpr(t1, rs);
2553 tcg_gen_shri_tl(t0, t1, lsb);
2555 tcg_gen_andi_tl(t0, t0, (1 << (msb + 1)) - 1);
2557 tcg_gen_ext32s_tl(t0, t0);
2560 #if defined(TARGET_MIPS64)
2562 tcg_gen_shri_tl(t0, t1, lsb);
2564 tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1 + 32)) - 1);
2568 tcg_gen_shri_tl(t0, t1, lsb + 32);
2569 tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1)) - 1);
2572 tcg_gen_shri_tl(t0, t1, lsb);
2573 tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1)) - 1);
2579 mask = ((msb - lsb + 1 < 32) ? ((1 << (msb - lsb + 1)) - 1) : ~0) << lsb;
2580 gen_load_gpr(t0, rt);
2581 tcg_gen_andi_tl(t0, t0, ~mask);
2582 tcg_gen_shli_tl(t1, t1, lsb);
2583 tcg_gen_andi_tl(t1, t1, mask);
2584 tcg_gen_or_tl(t0, t0, t1);
2585 tcg_gen_ext32s_tl(t0, t0);
2587 #if defined(TARGET_MIPS64)
2591 mask = ((msb - lsb + 1 + 32 < 64) ? ((1ULL << (msb - lsb + 1 + 32)) - 1) : ~0ULL) << lsb;
2592 gen_load_gpr(t0, rt);
2593 tcg_gen_andi_tl(t0, t0, ~mask);
2594 tcg_gen_shli_tl(t1, t1, lsb);
2595 tcg_gen_andi_tl(t1, t1, mask);
2596 tcg_gen_or_tl(t0, t0, t1);
2601 mask = ((1ULL << (msb - lsb + 1)) - 1) << lsb;
2602 gen_load_gpr(t0, rt);
2603 tcg_gen_andi_tl(t0, t0, ~mask);
2604 tcg_gen_shli_tl(t1, t1, lsb + 32);
2605 tcg_gen_andi_tl(t1, t1, mask);
2606 tcg_gen_or_tl(t0, t0, t1);
2611 gen_load_gpr(t0, rt);
2612 mask = ((1ULL << (msb - lsb + 1)) - 1) << lsb;
2613 gen_load_gpr(t0, rt);
2614 tcg_gen_andi_tl(t0, t0, ~mask);
2615 tcg_gen_shli_tl(t1, t1, lsb);
2616 tcg_gen_andi_tl(t1, t1, mask);
2617 tcg_gen_or_tl(t0, t0, t1);
2622 MIPS_INVAL("bitops");
2623 generate_exception(ctx, EXCP_RI);
2628 gen_store_gpr(t0, rt);
2633 static void gen_bshfl (DisasContext *ctx, uint32_t op2, int rt, int rd)
2635 TCGv t0 = tcg_temp_new();
2636 TCGv t1 = tcg_temp_new();
2638 gen_load_gpr(t1, rt);
2641 tcg_gen_shri_tl(t0, t1, 8);
2642 tcg_gen_andi_tl(t0, t0, 0x00FF00FF);
2643 tcg_gen_shli_tl(t1, t1, 8);
2644 tcg_gen_andi_tl(t1, t1, ~0x00FF00FF);
2645 tcg_gen_or_tl(t0, t0, t1);
2646 tcg_gen_ext32s_tl(t0, t0);
2649 tcg_gen_ext8s_tl(t0, t1);
2652 tcg_gen_ext16s_tl(t0, t1);
2654 #if defined(TARGET_MIPS64)
2656 gen_load_gpr(t1, rt);
2657 tcg_gen_shri_tl(t0, t1, 8);
2658 tcg_gen_andi_tl(t0, t0, 0x00FF00FF00FF00FFULL);
2659 tcg_gen_shli_tl(t1, t1, 8);
2660 tcg_gen_andi_tl(t1, t1, ~0x00FF00FF00FF00FFULL);
2661 tcg_gen_or_tl(t0, t0, t1);
2664 gen_load_gpr(t1, rt);
2665 tcg_gen_shri_tl(t0, t1, 16);
2666 tcg_gen_andi_tl(t0, t0, 0x0000FFFF0000FFFFULL);
2667 tcg_gen_shli_tl(t1, t1, 16);
2668 tcg_gen_andi_tl(t1, t1, ~0x0000FFFF0000FFFFULL);
2669 tcg_gen_or_tl(t1, t0, t1);
2670 tcg_gen_shri_tl(t0, t1, 32);
2671 tcg_gen_shli_tl(t1, t1, 32);
2672 tcg_gen_or_tl(t0, t0, t1);
2676 MIPS_INVAL("bsfhl");
2677 generate_exception(ctx, EXCP_RI);
2682 gen_store_gpr(t0, rd);
2687 #ifndef CONFIG_USER_ONLY
2688 /* CP0 (MMU and control) */
2689 static inline void gen_mfc0_load32 (TCGv t, target_ulong off)
2691 TCGv_i32 r_tmp = tcg_temp_new_i32();
2693 tcg_gen_ld_i32(r_tmp, cpu_env, off);
2694 tcg_gen_ext_i32_tl(t, r_tmp);
2695 tcg_temp_free_i32(r_tmp);
2698 static inline void gen_mfc0_load64 (TCGv t, target_ulong off)
2700 tcg_gen_ld_tl(t, cpu_env, off);
2701 tcg_gen_ext32s_tl(t, t);
2704 static inline void gen_mtc0_store32 (TCGv t, target_ulong off)
2706 TCGv_i32 r_tmp = tcg_temp_new_i32();
2708 tcg_gen_trunc_tl_i32(r_tmp, t);
2709 tcg_gen_st_i32(r_tmp, cpu_env, off);
2710 tcg_temp_free_i32(r_tmp);
2713 static inline void gen_mtc0_store64 (TCGv t, target_ulong off)
2715 tcg_gen_ext32s_tl(t, t);
2716 tcg_gen_st_tl(t, cpu_env, off);
2719 static void gen_mfc0 (CPUState *env, DisasContext *ctx, TCGv t0, int reg, int sel)
2721 const char *rn = "invalid";
2724 check_insn(env, ctx, ISA_MIPS32);
2730 gen_mfc0_load32(t0, offsetof(CPUState, CP0_Index));
2734 check_insn(env, ctx, ASE_MT);
2735 gen_helper_mfc0_mvpcontrol(t0);
2739 check_insn(env, ctx, ASE_MT);
2740 gen_helper_mfc0_mvpconf0(t0);
2744 check_insn(env, ctx, ASE_MT);
2745 gen_helper_mfc0_mvpconf1(t0);
2755 gen_helper_mfc0_random(t0);
2759 check_insn(env, ctx, ASE_MT);
2760 gen_mfc0_load32(t0, offsetof(CPUState, CP0_VPEControl));
2764 check_insn(env, ctx, ASE_MT);
2765 gen_mfc0_load32(t0, offsetof(CPUState, CP0_VPEConf0));
2769 check_insn(env, ctx, ASE_MT);
2770 gen_mfc0_load32(t0, offsetof(CPUState, CP0_VPEConf1));
2774 check_insn(env, ctx, ASE_MT);
2775 gen_mfc0_load64(t0, offsetof(CPUState, CP0_YQMask));
2779 check_insn(env, ctx, ASE_MT);
2780 gen_mfc0_load64(t0, offsetof(CPUState, CP0_VPESchedule));
2784 check_insn(env, ctx, ASE_MT);
2785 gen_mfc0_load64(t0, offsetof(CPUState, CP0_VPEScheFBack));
2786 rn = "VPEScheFBack";
2789 check_insn(env, ctx, ASE_MT);
2790 gen_mfc0_load32(t0, offsetof(CPUState, CP0_VPEOpt));
2800 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, CP0_EntryLo0));
2801 tcg_gen_ext32s_tl(t0, t0);
2805 check_insn(env, ctx, ASE_MT);
2806 gen_helper_mfc0_tcstatus(t0);
2810 check_insn(env, ctx, ASE_MT);
2811 gen_helper_mfc0_tcbind(t0);
2815 check_insn(env, ctx, ASE_MT);
2816 gen_helper_mfc0_tcrestart(t0);
2820 check_insn(env, ctx, ASE_MT);
2821 gen_helper_mfc0_tchalt(t0);
2825 check_insn(env, ctx, ASE_MT);
2826 gen_helper_mfc0_tccontext(t0);
2830 check_insn(env, ctx, ASE_MT);
2831 gen_helper_mfc0_tcschedule(t0);
2835 check_insn(env, ctx, ASE_MT);
2836 gen_helper_mfc0_tcschefback(t0);
2846 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, CP0_EntryLo1));
2847 tcg_gen_ext32s_tl(t0, t0);
2857 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, CP0_Context));
2858 tcg_gen_ext32s_tl(t0, t0);
2862 // gen_helper_mfc0_contextconfig(t0); /* SmartMIPS ASE */
2863 rn = "ContextConfig";
2872 gen_mfc0_load32(t0, offsetof(CPUState, CP0_PageMask));
2876 check_insn(env, ctx, ISA_MIPS32R2);
2877 gen_mfc0_load32(t0, offsetof(CPUState, CP0_PageGrain));
2887 gen_mfc0_load32(t0, offsetof(CPUState, CP0_Wired));
2891 check_insn(env, ctx, ISA_MIPS32R2);
2892 gen_mfc0_load32(t0, offsetof(CPUState, CP0_SRSConf0));
2896 check_insn(env, ctx, ISA_MIPS32R2);
2897 gen_mfc0_load32(t0, offsetof(CPUState, CP0_SRSConf1));
2901 check_insn(env, ctx, ISA_MIPS32R2);
2902 gen_mfc0_load32(t0, offsetof(CPUState, CP0_SRSConf2));
2906 check_insn(env, ctx, ISA_MIPS32R2);
2907 gen_mfc0_load32(t0, offsetof(CPUState, CP0_SRSConf3));
2911 check_insn(env, ctx, ISA_MIPS32R2);
2912 gen_mfc0_load32(t0, offsetof(CPUState, CP0_SRSConf4));
2922 check_insn(env, ctx, ISA_MIPS32R2);
2923 gen_mfc0_load32(t0, offsetof(CPUState, CP0_HWREna));
2933 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, CP0_BadVAddr));
2934 tcg_gen_ext32s_tl(t0, t0);
2944 /* Mark as an IO operation because we read the time. */
2947 gen_helper_mfc0_count(t0);
2950 ctx->bstate = BS_STOP;
2954 /* 6,7 are implementation dependent */
2962 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, CP0_EntryHi));
2963 tcg_gen_ext32s_tl(t0, t0);
2973 gen_mfc0_load32(t0, offsetof(CPUState, CP0_Compare));
2976 /* 6,7 are implementation dependent */
2984 gen_mfc0_load32(t0, offsetof(CPUState, CP0_Status));
2988 check_insn(env, ctx, ISA_MIPS32R2);
2989 gen_mfc0_load32(t0, offsetof(CPUState, CP0_IntCtl));
2993 check_insn(env, ctx, ISA_MIPS32R2);
2994 gen_mfc0_load32(t0, offsetof(CPUState, CP0_SRSCtl));
2998 check_insn(env, ctx, ISA_MIPS32R2);
2999 gen_mfc0_load32(t0, offsetof(CPUState, CP0_SRSMap));
3009 gen_mfc0_load32(t0, offsetof(CPUState, CP0_Cause));
3019 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, CP0_EPC));
3020 tcg_gen_ext32s_tl(t0, t0);
3030 gen_mfc0_load32(t0, offsetof(CPUState, CP0_PRid));
3034 check_insn(env, ctx, ISA_MIPS32R2);
3035 gen_mfc0_load32(t0, offsetof(CPUState, CP0_EBase));
3045 gen_mfc0_load32(t0, offsetof(CPUState, CP0_Config0));
3049 gen_mfc0_load32(t0, offsetof(CPUState, CP0_Config1));
3053 gen_mfc0_load32(t0, offsetof(CPUState, CP0_Config2));
3057 gen_mfc0_load32(t0, offsetof(CPUState, CP0_Config3));
3060 /* 4,5 are reserved */
3061 /* 6,7 are implementation dependent */
3063 gen_mfc0_load32(t0, offsetof(CPUState, CP0_Config6));
3067 gen_mfc0_load32(t0, offsetof(CPUState, CP0_Config7));
3077 gen_helper_mfc0_lladdr(t0);
3087 gen_helper_1i(mfc0_watchlo, t0, sel);
3097 gen_helper_1i(mfc0_watchhi, t0, sel);
3107 #if defined(TARGET_MIPS64)
3108 check_insn(env, ctx, ISA_MIPS3);
3109 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, CP0_XContext));
3110 tcg_gen_ext32s_tl(t0, t0);
3119 /* Officially reserved, but sel 0 is used for R1x000 framemask */
3122 gen_mfc0_load32(t0, offsetof(CPUState, CP0_Framemask));
3130 tcg_gen_movi_tl(t0, 0); /* unimplemented */
3131 rn = "'Diagnostic"; /* implementation dependent */
3136 gen_helper_mfc0_debug(t0); /* EJTAG support */
3140 // gen_helper_mfc0_tracecontrol(t0); /* PDtrace support */
3141 rn = "TraceControl";
3144 // gen_helper_mfc0_tracecontrol2(t0); /* PDtrace support */
3145 rn = "TraceControl2";
3148 // gen_helper_mfc0_usertracedata(t0); /* PDtrace support */
3149 rn = "UserTraceData";
3152 // gen_helper_mfc0_tracebpc(t0); /* PDtrace support */
3163 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, CP0_DEPC));
3164 tcg_gen_ext32s_tl(t0, t0);
3174 gen_mfc0_load32(t0, offsetof(CPUState, CP0_Performance0));
3175 rn = "Performance0";
3178 // gen_helper_mfc0_performance1(t0);
3179 rn = "Performance1";
3182 // gen_helper_mfc0_performance2(t0);
3183 rn = "Performance2";
3186 // gen_helper_mfc0_performance3(t0);
3187 rn = "Performance3";
3190 // gen_helper_mfc0_performance4(t0);
3191 rn = "Performance4";
3194 // gen_helper_mfc0_performance5(t0);
3195 rn = "Performance5";
3198 // gen_helper_mfc0_performance6(t0);
3199 rn = "Performance6";
3202 // gen_helper_mfc0_performance7(t0);
3203 rn = "Performance7";
3210 tcg_gen_movi_tl(t0, 0); /* unimplemented */
3216 tcg_gen_movi_tl(t0, 0); /* unimplemented */
3229 gen_mfc0_load32(t0, offsetof(CPUState, CP0_TagLo));
3236 gen_mfc0_load32(t0, offsetof(CPUState, CP0_DataLo));
3249 gen_mfc0_load32(t0, offsetof(CPUState, CP0_TagHi));
3256 gen_mfc0_load32(t0, offsetof(CPUState, CP0_DataHi));
3266 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, CP0_ErrorEPC));
3267 tcg_gen_ext32s_tl(t0, t0);
3278 gen_mfc0_load32(t0, offsetof(CPUState, CP0_DESAVE));
3288 LOG_DISAS("mfc0 %s (reg %d sel %d)\n", rn, reg, sel);
3292 LOG_DISAS("mfc0 %s (reg %d sel %d)\n", rn, reg, sel);
3293 generate_exception(ctx, EXCP_RI);
3296 static void gen_mtc0 (CPUState *env, DisasContext *ctx, TCGv t0, int reg, int sel)
3298 const char *rn = "invalid";
3301 check_insn(env, ctx, ISA_MIPS32);
3310 gen_helper_mtc0_index(t0);
3314 check_insn(env, ctx, ASE_MT);
3315 gen_helper_mtc0_mvpcontrol(t0);
3319 check_insn(env, ctx, ASE_MT);
3324 check_insn(env, ctx, ASE_MT);
3339 check_insn(env, ctx, ASE_MT);
3340 gen_helper_mtc0_vpecontrol(t0);
3344 check_insn(env, ctx, ASE_MT);
3345 gen_helper_mtc0_vpeconf0(t0);
3349 check_insn(env, ctx, ASE_MT);
3350 gen_helper_mtc0_vpeconf1(t0);
3354 check_insn(env, ctx, ASE_MT);
3355 gen_helper_mtc0_yqmask(t0);
3359 check_insn(env, ctx, ASE_MT);
3360 gen_mtc0_store64(t0, offsetof(CPUState, CP0_VPESchedule));
3364 check_insn(env, ctx, ASE_MT);
3365 gen_mtc0_store64(t0, offsetof(CPUState, CP0_VPEScheFBack));
3366 rn = "VPEScheFBack";
3369 check_insn(env, ctx, ASE_MT);
3370 gen_helper_mtc0_vpeopt(t0);
3380 gen_helper_mtc0_entrylo0(t0);
3384 check_insn(env, ctx, ASE_MT);
3385 gen_helper_mtc0_tcstatus(t0);
3389 check_insn(env, ctx, ASE_MT);
3390 gen_helper_mtc0_tcbind(t0);
3394 check_insn(env, ctx, ASE_MT);
3395 gen_helper_mtc0_tcrestart(t0);
3399 check_insn(env, ctx, ASE_MT);
3400 gen_helper_mtc0_tchalt(t0);
3404 check_insn(env, ctx, ASE_MT);
3405 gen_helper_mtc0_tccontext(t0);
3409 check_insn(env, ctx, ASE_MT);
3410 gen_helper_mtc0_tcschedule(t0);
3414 check_insn(env, ctx, ASE_MT);
3415 gen_helper_mtc0_tcschefback(t0);
3425 gen_helper_mtc0_entrylo1(t0);
3435 gen_helper_mtc0_context(t0);
3439 // gen_helper_mtc0_contextconfig(t0); /* SmartMIPS ASE */
3440 rn = "ContextConfig";
3449 gen_helper_mtc0_pagemask(t0);
3453 check_insn(env, ctx, ISA_MIPS32R2);
3454 gen_helper_mtc0_pagegrain(t0);
3464 gen_helper_mtc0_wired(t0);
3468 check_insn(env, ctx, ISA_MIPS32R2);
3469 gen_helper_mtc0_srsconf0(t0);
3473 check_insn(env, ctx, ISA_MIPS32R2);
3474 gen_helper_mtc0_srsconf1(t0);
3478 check_insn(env, ctx, ISA_MIPS32R2);
3479 gen_helper_mtc0_srsconf2(t0);
3483 check_insn(env, ctx, ISA_MIPS32R2);
3484 gen_helper_mtc0_srsconf3(t0);
3488 check_insn(env, ctx, ISA_MIPS32R2);
3489 gen_helper_mtc0_srsconf4(t0);
3499 check_insn(env, ctx, ISA_MIPS32R2);
3500 gen_helper_mtc0_hwrena(t0);
3514 gen_helper_mtc0_count(t0);
3517 /* 6,7 are implementation dependent */
3521 /* Stop translation as we may have switched the execution mode */
3522 ctx->bstate = BS_STOP;
3527 gen_helper_mtc0_entryhi(t0);
3537 gen_helper_mtc0_compare(t0);
3540 /* 6,7 are implementation dependent */
3544 /* Stop translation as we may have switched the execution mode */
3545 ctx->bstate = BS_STOP;
3550 gen_helper_mtc0_status(t0);
3551 /* BS_STOP isn't good enough here, hflags may have changed. */
3552 gen_save_pc(ctx->pc + 4);
3553 ctx->bstate = BS_EXCP;
3557 check_insn(env, ctx, ISA_MIPS32R2);
3558 gen_helper_mtc0_intctl(t0);
3559 /* Stop translation as we may have switched the execution mode */
3560 ctx->bstate = BS_STOP;
3564 check_insn(env, ctx, ISA_MIPS32R2);
3565 gen_helper_mtc0_srsctl(t0);
3566 /* Stop translation as we may have switched the execution mode */
3567 ctx->bstate = BS_STOP;
3571 check_insn(env, ctx, ISA_MIPS32R2);
3572 gen_mtc0_store32(t0, offsetof(CPUState, CP0_SRSMap));
3573 /* Stop translation as we may have switched the execution mode */
3574 ctx->bstate = BS_STOP;
3584 gen_helper_mtc0_cause(t0);
3590 /* Stop translation as we may have switched the execution mode */
3591 ctx->bstate = BS_STOP;
3596 gen_mtc0_store64(t0, offsetof(CPUState, CP0_EPC));
3610 check_insn(env, ctx, ISA_MIPS32R2);
3611 gen_helper_mtc0_ebase(t0);
3621 gen_helper_mtc0_config0(t0);
3623 /* Stop translation as we may have switched the execution mode */
3624 ctx->bstate = BS_STOP;
3627 /* ignored, read only */
3631 gen_helper_mtc0_config2(t0);
3633 /* Stop translation as we may have switched the execution mode */
3634 ctx->bstate = BS_STOP;
3637 /* ignored, read only */
3640 /* 4,5 are reserved */
3641 /* 6,7 are implementation dependent */
3651 rn = "Invalid config selector";
3668 gen_helper_1i(mtc0_watchlo, t0, sel);
3678 gen_helper_1i(mtc0_watchhi, t0, sel);
3688 #if defined(TARGET_MIPS64)
3689 check_insn(env, ctx, ISA_MIPS3);
3690 gen_helper_mtc0_xcontext(t0);
3699 /* Officially reserved, but sel 0 is used for R1x000 framemask */
3702 gen_helper_mtc0_framemask(t0);
3711 rn = "Diagnostic"; /* implementation dependent */
3716 gen_helper_mtc0_debug(t0); /* EJTAG support */
3717 /* BS_STOP isn't good enough here, hflags may have changed. */
3718 gen_save_pc(ctx->pc + 4);
3719 ctx->bstate = BS_EXCP;
3723 // gen_helper_mtc0_tracecontrol(t0); /* PDtrace support */
3724 rn = "TraceControl";
3725 /* Stop translation as we may have switched the execution mode */
3726 ctx->bstate = BS_STOP;
3729 // gen_helper_mtc0_tracecontrol2(t0); /* PDtrace support */
3730 rn = "TraceControl2";
3731 /* Stop translation as we may have switched the execution mode */
3732 ctx->bstate = BS_STOP;
3735 /* Stop translation as we may have switched the execution mode */
3736 ctx->bstate = BS_STOP;
3737 // gen_helper_mtc0_usertracedata(t0); /* PDtrace support */
3738 rn = "UserTraceData";
3739 /* Stop translation as we may have switched the execution mode */
3740 ctx->bstate = BS_STOP;
3743 // gen_helper_mtc0_tracebpc(t0); /* PDtrace support */
3744 /* Stop translation as we may have switched the execution mode */
3745 ctx->bstate = BS_STOP;
3756 gen_mtc0_store64(t0, offsetof(CPUState, CP0_DEPC));
3766 gen_helper_mtc0_performance0(t0);
3767 rn = "Performance0";
3770 // gen_helper_mtc0_performance1(t0);
3771 rn = "Performance1";
3774 // gen_helper_mtc0_performance2(t0);
3775 rn = "Performance2";
3778 // gen_helper_mtc0_performance3(t0);
3779 rn = "Performance3";
3782 // gen_helper_mtc0_performance4(t0);
3783 rn = "Performance4";
3786 // gen_helper_mtc0_performance5(t0);
3787 rn = "Performance5";
3790 // gen_helper_mtc0_performance6(t0);
3791 rn = "Performance6";
3794 // gen_helper_mtc0_performance7(t0);
3795 rn = "Performance7";
3821 gen_helper_mtc0_taglo(t0);
3828 gen_helper_mtc0_datalo(t0);
3841 gen_helper_mtc0_taghi(t0);
3848 gen_helper_mtc0_datahi(t0);
3859 gen_mtc0_store64(t0, offsetof(CPUState, CP0_ErrorEPC));
3870 gen_mtc0_store32(t0, offsetof(CPUState, CP0_DESAVE));
3876 /* Stop translation as we may have switched the execution mode */
3877 ctx->bstate = BS_STOP;
3882 LOG_DISAS("mtc0 %s (reg %d sel %d)\n", rn, reg, sel);
3883 /* For simplicity assume that all writes can cause interrupts. */
3886 ctx->bstate = BS_STOP;
3891 LOG_DISAS("mtc0 %s (reg %d sel %d)\n", rn, reg, sel);
3892 generate_exception(ctx, EXCP_RI);
3895 #if defined(TARGET_MIPS64)
3896 static void gen_dmfc0 (CPUState *env, DisasContext *ctx, TCGv t0, int reg, int sel)
3898 const char *rn = "invalid";
3901 check_insn(env, ctx, ISA_MIPS64);
3907 gen_mfc0_load32(t0, offsetof(CPUState, CP0_Index));
3911 check_insn(env, ctx, ASE_MT);
3912 gen_helper_mfc0_mvpcontrol(t0);
3916 check_insn(env, ctx, ASE_MT);
3917 gen_helper_mfc0_mvpconf0(t0);
3921 check_insn(env, ctx, ASE_MT);
3922 gen_helper_mfc0_mvpconf1(t0);
3932 gen_helper_mfc0_random(t0);
3936 check_insn(env, ctx, ASE_MT);
3937 gen_mfc0_load32(t0, offsetof(CPUState, CP0_VPEControl));
3941 check_insn(env, ctx, ASE_MT);
3942 gen_mfc0_load32(t0, offsetof(CPUState, CP0_VPEConf0));
3946 check_insn(env, ctx, ASE_MT);
3947 gen_mfc0_load32(t0, offsetof(CPUState, CP0_VPEConf1));
3951 check_insn(env, ctx, ASE_MT);
3952 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, CP0_YQMask));
3956 check_insn(env, ctx, ASE_MT);
3957 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, CP0_VPESchedule));
3961 check_insn(env, ctx, ASE_MT);
3962 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, CP0_VPEScheFBack));
3963 rn = "VPEScheFBack";
3966 check_insn(env, ctx, ASE_MT);
3967 gen_mfc0_load32(t0, offsetof(CPUState, CP0_VPEOpt));
3977 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, CP0_EntryLo0));
3981 check_insn(env, ctx, ASE_MT);
3982 gen_helper_mfc0_tcstatus(t0);
3986 check_insn(env, ctx, ASE_MT);
3987 gen_helper_mfc0_tcbind(t0);
3991 check_insn(env, ctx, ASE_MT);
3992 gen_helper_dmfc0_tcrestart(t0);
3996 check_insn(env, ctx, ASE_MT);
3997 gen_helper_dmfc0_tchalt(t0);
4001 check_insn(env, ctx, ASE_MT);
4002 gen_helper_dmfc0_tccontext(t0);
4006 check_insn(env, ctx, ASE_MT);
4007 gen_helper_dmfc0_tcschedule(t0);
4011 check_insn(env, ctx, ASE_MT);
4012 gen_helper_dmfc0_tcschefback(t0);
4022 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, CP0_EntryLo1));
4032 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, CP0_Context));
4036 // gen_helper_dmfc0_contextconfig(t0); /* SmartMIPS ASE */
4037 rn = "ContextConfig";
4046 gen_mfc0_load32(t0, offsetof(CPUState, CP0_PageMask));
4050 check_insn(env, ctx, ISA_MIPS32R2);
4051 gen_mfc0_load32(t0, offsetof(CPUState, CP0_PageGrain));
4061 gen_mfc0_load32(t0, offsetof(CPUState, CP0_Wired));
4065 check_insn(env, ctx, ISA_MIPS32R2);
4066 gen_mfc0_load32(t0, offsetof(CPUState, CP0_SRSConf0));
4070 check_insn(env, ctx, ISA_MIPS32R2);
4071 gen_mfc0_load32(t0, offsetof(CPUState, CP0_SRSConf1));
4075 check_insn(env, ctx, ISA_MIPS32R2);
4076 gen_mfc0_load32(t0, offsetof(CPUState, CP0_SRSConf2));
4080 check_insn(env, ctx, ISA_MIPS32R2);
4081 gen_mfc0_load32(t0, offsetof(CPUState, CP0_SRSConf3));
4085 check_insn(env, ctx, ISA_MIPS32R2);
4086 gen_mfc0_load32(t0, offsetof(CPUState, CP0_SRSConf4));
4096 check_insn(env, ctx, ISA_MIPS32R2);
4097 gen_mfc0_load32(t0, offsetof(CPUState, CP0_HWREna));
4107 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, CP0_BadVAddr));
4117 /* Mark as an IO operation because we read the time. */
4120 gen_helper_mfc0_count(t0);
4123 ctx->bstate = BS_STOP;
4127 /* 6,7 are implementation dependent */
4135 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, CP0_EntryHi));
4145 gen_mfc0_load32(t0, offsetof(CPUState, CP0_Compare));
4148 /* 6,7 are implementation dependent */
4156 gen_mfc0_load32(t0, offsetof(CPUState, CP0_Status));
4160 check_insn(env, ctx, ISA_MIPS32R2);
4161 gen_mfc0_load32(t0, offsetof(CPUState, CP0_IntCtl));
4165 check_insn(env, ctx, ISA_MIPS32R2);
4166 gen_mfc0_load32(t0, offsetof(CPUState, CP0_SRSCtl));
4170 check_insn(env, ctx, ISA_MIPS32R2);
4171 gen_mfc0_load32(t0, offsetof(CPUState, CP0_SRSMap));
4181 gen_mfc0_load32(t0, offsetof(CPUState, CP0_Cause));
4191 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, CP0_EPC));
4201 gen_mfc0_load32(t0, offsetof(CPUState, CP0_PRid));
4205 check_insn(env, ctx, ISA_MIPS32R2);
4206 gen_mfc0_load32(t0, offsetof(CPUState, CP0_EBase));
4216 gen_mfc0_load32(t0, offsetof(CPUState, CP0_Config0));
4220 gen_mfc0_load32(t0, offsetof(CPUState, CP0_Config1));
4224 gen_mfc0_load32(t0, offsetof(CPUState, CP0_Config2));
4228 gen_mfc0_load32(t0, offsetof(CPUState, CP0_Config3));
4231 /* 6,7 are implementation dependent */
4233 gen_mfc0_load32(t0, offsetof(CPUState, CP0_Config6));
4237 gen_mfc0_load32(t0, offsetof(CPUState, CP0_Config7));
4247 gen_helper_dmfc0_lladdr(t0);
4257 gen_helper_1i(dmfc0_watchlo, t0, sel);
4267 gen_helper_1i(mfc0_watchhi, t0, sel);
4277 check_insn(env, ctx, ISA_MIPS3);
4278 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, CP0_XContext));
4286 /* Officially reserved, but sel 0 is used for R1x000 framemask */
4289 gen_mfc0_load32(t0, offsetof(CPUState, CP0_Framemask));
4297 tcg_gen_movi_tl(t0, 0); /* unimplemented */
4298 rn = "'Diagnostic"; /* implementation dependent */
4303 gen_helper_mfc0_debug(t0); /* EJTAG support */
4307 // gen_helper_dmfc0_tracecontrol(t0); /* PDtrace support */
4308 rn = "TraceControl";
4311 // gen_helper_dmfc0_tracecontrol2(t0); /* PDtrace support */
4312 rn = "TraceControl2";
4315 // gen_helper_dmfc0_usertracedata(t0); /* PDtrace support */
4316 rn = "UserTraceData";
4319 // gen_helper_dmfc0_tracebpc(t0); /* PDtrace support */
4330 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, CP0_DEPC));
4340 gen_mfc0_load32(t0, offsetof(CPUState, CP0_Performance0));
4341 rn = "Performance0";
4344 // gen_helper_dmfc0_performance1(t0);
4345 rn = "Performance1";
4348 // gen_helper_dmfc0_performance2(t0);
4349 rn = "Performance2";
4352 // gen_helper_dmfc0_performance3(t0);
4353 rn = "Performance3";
4356 // gen_helper_dmfc0_performance4(t0);
4357 rn = "Performance4";
4360 // gen_helper_dmfc0_performance5(t0);
4361 rn = "Performance5";
4364 // gen_helper_dmfc0_performance6(t0);
4365 rn = "Performance6";
4368 // gen_helper_dmfc0_performance7(t0);
4369 rn = "Performance7";
4376 tcg_gen_movi_tl(t0, 0); /* unimplemented */
4383 tcg_gen_movi_tl(t0, 0); /* unimplemented */
4396 gen_mfc0_load32(t0, offsetof(CPUState, CP0_TagLo));
4403 gen_mfc0_load32(t0, offsetof(CPUState, CP0_DataLo));
4416 gen_mfc0_load32(t0, offsetof(CPUState, CP0_TagHi));
4423 gen_mfc0_load32(t0, offsetof(CPUState, CP0_DataHi));
4433 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, CP0_ErrorEPC));
4444 gen_mfc0_load32(t0, offsetof(CPUState, CP0_DESAVE));
4454 LOG_DISAS("dmfc0 %s (reg %d sel %d)\n", rn, reg, sel);
4458 LOG_DISAS("dmfc0 %s (reg %d sel %d)\n", rn, reg, sel);
4459 generate_exception(ctx, EXCP_RI);
4462 static void gen_dmtc0 (CPUState *env, DisasContext *ctx, TCGv t0, int reg, int sel)
4464 const char *rn = "invalid";
4467 check_insn(env, ctx, ISA_MIPS64);
4476 gen_helper_mtc0_index(t0);
4480 check_insn(env, ctx, ASE_MT);
4481 gen_helper_mtc0_mvpcontrol(t0);
4485 check_insn(env, ctx, ASE_MT);
4490 check_insn(env, ctx, ASE_MT);
4505 check_insn(env, ctx, ASE_MT);
4506 gen_helper_mtc0_vpecontrol(t0);
4510 check_insn(env, ctx, ASE_MT);
4511 gen_helper_mtc0_vpeconf0(t0);
4515 check_insn(env, ctx, ASE_MT);
4516 gen_helper_mtc0_vpeconf1(t0);
4520 check_insn(env, ctx, ASE_MT);
4521 gen_helper_mtc0_yqmask(t0);
4525 check_insn(env, ctx, ASE_MT);
4526 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUState, CP0_VPESchedule));
4530 check_insn(env, ctx, ASE_MT);
4531 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUState, CP0_VPEScheFBack));
4532 rn = "VPEScheFBack";
4535 check_insn(env, ctx, ASE_MT);
4536 gen_helper_mtc0_vpeopt(t0);
4546 gen_helper_mtc0_entrylo0(t0);
4550 check_insn(env, ctx, ASE_MT);
4551 gen_helper_mtc0_tcstatus(t0);
4555 check_insn(env, ctx, ASE_MT);
4556 gen_helper_mtc0_tcbind(t0);
4560 check_insn(env, ctx, ASE_MT);
4561 gen_helper_mtc0_tcrestart(t0);
4565 check_insn(env, ctx, ASE_MT);
4566 gen_helper_mtc0_tchalt(t0);
4570 check_insn(env, ctx, ASE_MT);
4571 gen_helper_mtc0_tccontext(t0);
4575 check_insn(env, ctx, ASE_MT);
4576 gen_helper_mtc0_tcschedule(t0);
4580 check_insn(env, ctx, ASE_MT);
4581 gen_helper_mtc0_tcschefback(t0);
4591 gen_helper_mtc0_entrylo1(t0);
4601 gen_helper_mtc0_context(t0);
4605 // gen_helper_mtc0_contextconfig(t0); /* SmartMIPS ASE */
4606 rn = "ContextConfig";
4615 gen_helper_mtc0_pagemask(t0);
4619 check_insn(env, ctx, ISA_MIPS32R2);
4620 gen_helper_mtc0_pagegrain(t0);
4630 gen_helper_mtc0_wired(t0);
4634 check_insn(env, ctx, ISA_MIPS32R2);
4635 gen_helper_mtc0_srsconf0(t0);
4639 check_insn(env, ctx, ISA_MIPS32R2);
4640 gen_helper_mtc0_srsconf1(t0);
4644 check_insn(env, ctx, ISA_MIPS32R2);
4645 gen_helper_mtc0_srsconf2(t0);
4649 check_insn(env, ctx, ISA_MIPS32R2);
4650 gen_helper_mtc0_srsconf3(t0);
4654 check_insn(env, ctx, ISA_MIPS32R2);
4655 gen_helper_mtc0_srsconf4(t0);
4665 check_insn(env, ctx, ISA_MIPS32R2);
4666 gen_helper_mtc0_hwrena(t0);
4680 gen_helper_mtc0_count(t0);
4683 /* 6,7 are implementation dependent */
4687 /* Stop translation as we may have switched the execution mode */
4688 ctx->bstate = BS_STOP;
4693 gen_helper_mtc0_entryhi(t0);
4703 gen_helper_mtc0_compare(t0);
4706 /* 6,7 are implementation dependent */
4710 /* Stop translation as we may have switched the execution mode */
4711 ctx->bstate = BS_STOP;
4716 gen_helper_mtc0_status(t0);
4717 /* BS_STOP isn't good enough here, hflags may have changed. */
4718 gen_save_pc(ctx->pc + 4);
4719 ctx->bstate = BS_EXCP;
4723 check_insn(env, ctx, ISA_MIPS32R2);
4724 gen_helper_mtc0_intctl(t0);
4725 /* Stop translation as we may have switched the execution mode */
4726 ctx->bstate = BS_STOP;
4730 check_insn(env, ctx, ISA_MIPS32R2);
4731 gen_helper_mtc0_srsctl(t0);
4732 /* Stop translation as we may have switched the execution mode */
4733 ctx->bstate = BS_STOP;
4737 check_insn(env, ctx, ISA_MIPS32R2);
4738 gen_mtc0_store32(t0, offsetof(CPUState, CP0_SRSMap));
4739 /* Stop translation as we may have switched the execution mode */
4740 ctx->bstate = BS_STOP;
4750 gen_helper_mtc0_cause(t0);
4756 /* Stop translation as we may have switched the execution mode */
4757 ctx->bstate = BS_STOP;
4762 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUState, CP0_EPC));
4776 check_insn(env, ctx, ISA_MIPS32R2);
4777 gen_helper_mtc0_ebase(t0);
4787 gen_helper_mtc0_config0(t0);
4789 /* Stop translation as we may have switched the execution mode */
4790 ctx->bstate = BS_STOP;
4797 gen_helper_mtc0_config2(t0);
4799 /* Stop translation as we may have switched the execution mode */
4800 ctx->bstate = BS_STOP;
4806 /* 6,7 are implementation dependent */
4808 rn = "Invalid config selector";
4825 gen_helper_1i(mtc0_watchlo, t0, sel);
4835 gen_helper_1i(mtc0_watchhi, t0, sel);
4845 check_insn(env, ctx, ISA_MIPS3);
4846 gen_helper_mtc0_xcontext(t0);
4854 /* Officially reserved, but sel 0 is used for R1x000 framemask */
4857 gen_helper_mtc0_framemask(t0);
4866 rn = "Diagnostic"; /* implementation dependent */
4871 gen_helper_mtc0_debug(t0); /* EJTAG support */
4872 /* BS_STOP isn't good enough here, hflags may have changed. */
4873 gen_save_pc(ctx->pc + 4);
4874 ctx->bstate = BS_EXCP;
4878 // gen_helper_mtc0_tracecontrol(t0); /* PDtrace support */
4879 /* Stop translation as we may have switched the execution mode */
4880 ctx->bstate = BS_STOP;
4881 rn = "TraceControl";
4884 // gen_helper_mtc0_tracecontrol2(t0); /* PDtrace support */
4885 /* Stop translation as we may have switched the execution mode */
4886 ctx->bstate = BS_STOP;
4887 rn = "TraceControl2";
4890 // gen_helper_mtc0_usertracedata(t0); /* PDtrace support */
4891 /* Stop translation as we may have switched the execution mode */
4892 ctx->bstate = BS_STOP;
4893 rn = "UserTraceData";
4896 // gen_helper_mtc0_tracebpc(t0); /* PDtrace support */
4897 /* Stop translation as we may have switched the execution mode */
4898 ctx->bstate = BS_STOP;
4909 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUState, CP0_DEPC));
4919 gen_helper_mtc0_performance0(t0);
4920 rn = "Performance0";
4923 // gen_helper_mtc0_performance1(t0);
4924 rn = "Performance1";
4927 // gen_helper_mtc0_performance2(t0);
4928 rn = "Performance2";
4931 // gen_helper_mtc0_performance3(t0);
4932 rn = "Performance3";
4935 // gen_helper_mtc0_performance4(t0);
4936 rn = "Performance4";
4939 // gen_helper_mtc0_performance5(t0);
4940 rn = "Performance5";
4943 // gen_helper_mtc0_performance6(t0);
4944 rn = "Performance6";
4947 // gen_helper_mtc0_performance7(t0);
4948 rn = "Performance7";
4974 gen_helper_mtc0_taglo(t0);
4981 gen_helper_mtc0_datalo(t0);
4994 gen_helper_mtc0_taghi(t0);
5001 gen_helper_mtc0_datahi(t0);
5012 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUState, CP0_ErrorEPC));
5023 gen_mtc0_store32(t0, offsetof(CPUState, CP0_DESAVE));
5029 /* Stop translation as we may have switched the execution mode */
5030 ctx->bstate = BS_STOP;
5035 LOG_DISAS("dmtc0 %s (reg %d sel %d)\n", rn, reg, sel);
5036 /* For simplicity assume that all writes can cause interrupts. */
5039 ctx->bstate = BS_STOP;
5044 LOG_DISAS("dmtc0 %s (reg %d sel %d)\n", rn, reg, sel);
5045 generate_exception(ctx, EXCP_RI);
5047 #endif /* TARGET_MIPS64 */
5049 static void gen_mftr(CPUState *env, DisasContext *ctx, int rt, int rd,
5050 int u, int sel, int h)
5052 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
5053 TCGv t0 = tcg_temp_local_new();
5055 if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 &&
5056 ((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) !=
5057 (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE))))
5058 tcg_gen_movi_tl(t0, -1);
5059 else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) >
5060 (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
5061 tcg_gen_movi_tl(t0, -1);
5067 gen_helper_mftc0_tcstatus(t0);
5070 gen_helper_mftc0_tcbind(t0);
5073 gen_helper_mftc0_tcrestart(t0);
5076 gen_helper_mftc0_tchalt(t0);
5079 gen_helper_mftc0_tccontext(t0);
5082 gen_helper_mftc0_tcschedule(t0);
5085 gen_helper_mftc0_tcschefback(t0);
5088 gen_mfc0(env, ctx, t0, rt, sel);
5095 gen_helper_mftc0_entryhi(t0);
5098 gen_mfc0(env, ctx, t0, rt, sel);
5104 gen_helper_mftc0_status(t0);
5107 gen_mfc0(env, ctx, t0, rt, sel);
5113 gen_helper_mftc0_debug(t0);
5116 gen_mfc0(env, ctx, t0, rt, sel);
5121 gen_mfc0(env, ctx, t0, rt, sel);
5123 } else switch (sel) {
5124 /* GPR registers. */
5126 gen_helper_1i(mftgpr, t0, rt);
5128 /* Auxiliary CPU registers */
5132 gen_helper_1i(mftlo, t0, 0);
5135 gen_helper_1i(mfthi, t0, 0);
5138 gen_helper_1i(mftacx, t0, 0);
5141 gen_helper_1i(mftlo, t0, 1);
5144 gen_helper_1i(mfthi, t0, 1);
5147 gen_helper_1i(mftacx, t0, 1);
5150 gen_helper_1i(mftlo, t0, 2);
5153 gen_helper_1i(mfthi, t0, 2);
5156 gen_helper_1i(mftacx, t0, 2);
5159 gen_helper_1i(mftlo, t0, 3);
5162 gen_helper_1i(mfthi, t0, 3);
5165 gen_helper_1i(mftacx, t0, 3);
5168 gen_helper_mftdsp(t0);
5174 /* Floating point (COP1). */
5176 /* XXX: For now we support only a single FPU context. */
5178 TCGv_i32 fp0 = tcg_temp_new_i32();
5180 gen_load_fpr32(fp0, rt);
5181 tcg_gen_ext_i32_tl(t0, fp0);
5182 tcg_temp_free_i32(fp0);
5184 TCGv_i32 fp0 = tcg_temp_new_i32();
5186 gen_load_fpr32h(fp0, rt);
5187 tcg_gen_ext_i32_tl(t0, fp0);
5188 tcg_temp_free_i32(fp0);
5192 /* XXX: For now we support only a single FPU context. */
5193 gen_helper_1i(cfc1, t0, rt);
5195 /* COP2: Not implemented. */
5202 LOG_DISAS("mftr (reg %d u %d sel %d h %d)\n", rt, u, sel, h);
5203 gen_store_gpr(t0, rd);
5209 LOG_DISAS("mftr (reg %d u %d sel %d h %d)\n", rt, u, sel, h);
5210 generate_exception(ctx, EXCP_RI);
5213 static void gen_mttr(CPUState *env, DisasContext *ctx, int rd, int rt,
5214 int u, int sel, int h)
5216 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
5217 TCGv t0 = tcg_temp_local_new();
5219 gen_load_gpr(t0, rt);
5220 if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 &&
5221 ((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) !=
5222 (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE))))
5224 else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) >
5225 (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
5232 gen_helper_mttc0_tcstatus(t0);
5235 gen_helper_mttc0_tcbind(t0);
5238 gen_helper_mttc0_tcrestart(t0);
5241 gen_helper_mttc0_tchalt(t0);
5244 gen_helper_mttc0_tccontext(t0);
5247 gen_helper_mttc0_tcschedule(t0);
5250 gen_helper_mttc0_tcschefback(t0);
5253 gen_mtc0(env, ctx, t0, rd, sel);
5260 gen_helper_mttc0_entryhi(t0);
5263 gen_mtc0(env, ctx, t0, rd, sel);
5269 gen_helper_mttc0_status(t0);
5272 gen_mtc0(env, ctx, t0, rd, sel);
5278 gen_helper_mttc0_debug(t0);
5281 gen_mtc0(env, ctx, t0, rd, sel);
5286 gen_mtc0(env, ctx, t0, rd, sel);
5288 } else switch (sel) {
5289 /* GPR registers. */
5291 gen_helper_1i(mttgpr, t0, rd);
5293 /* Auxiliary CPU registers */
5297 gen_helper_1i(mttlo, t0, 0);
5300 gen_helper_1i(mtthi, t0, 0);
5303 gen_helper_1i(mttacx, t0, 0);
5306 gen_helper_1i(mttlo, t0, 1);
5309 gen_helper_1i(mtthi, t0, 1);
5312 gen_helper_1i(mttacx, t0, 1);
5315 gen_helper_1i(mttlo, t0, 2);
5318 gen_helper_1i(mtthi, t0, 2);
5321 gen_helper_1i(mttacx, t0, 2);
5324 gen_helper_1i(mttlo, t0, 3);
5327 gen_helper_1i(mtthi, t0, 3);
5330 gen_helper_1i(mttacx, t0, 3);
5333 gen_helper_mttdsp(t0);
5339 /* Floating point (COP1). */
5341 /* XXX: For now we support only a single FPU context. */
5343 TCGv_i32 fp0 = tcg_temp_new_i32();
5345 tcg_gen_trunc_tl_i32(fp0, t0);
5346 gen_store_fpr32(fp0, rd);
5347 tcg_temp_free_i32(fp0);
5349 TCGv_i32 fp0 = tcg_temp_new_i32();
5351 tcg_gen_trunc_tl_i32(fp0, t0);
5352 gen_store_fpr32h(fp0, rd);
5353 tcg_temp_free_i32(fp0);
5357 /* XXX: For now we support only a single FPU context. */
5358 gen_helper_1i(ctc1, t0, rd);
5360 /* COP2: Not implemented. */
5367 LOG_DISAS("mttr (reg %d u %d sel %d h %d)\n", rd, u, sel, h);
5373 LOG_DISAS("mttr (reg %d u %d sel %d h %d)\n", rd, u, sel, h);
5374 generate_exception(ctx, EXCP_RI);
5377 static void gen_cp0 (CPUState *env, DisasContext *ctx, uint32_t opc, int rt, int rd)
5379 const char *opn = "ldst";
5388 TCGv t0 = tcg_temp_local_new();
5390 gen_mfc0(env, ctx, t0, rd, ctx->opcode & 0x7);
5391 gen_store_gpr(t0, rt);
5398 TCGv t0 = tcg_temp_local_new();
5400 gen_load_gpr(t0, rt);
5401 save_cpu_state(ctx, 1);
5402 gen_mtc0(env, ctx, t0, rd, ctx->opcode & 0x7);
5407 #if defined(TARGET_MIPS64)
5409 check_insn(env, ctx, ISA_MIPS3);
5415 TCGv t0 = tcg_temp_local_new();
5417 gen_dmfc0(env, ctx, t0, rd, ctx->opcode & 0x7);
5418 gen_store_gpr(t0, rt);
5424 check_insn(env, ctx, ISA_MIPS3);
5426 TCGv t0 = tcg_temp_local_new();
5428 gen_load_gpr(t0, rt);
5429 save_cpu_state(ctx, 1);
5430 gen_dmtc0(env, ctx, t0, rd, ctx->opcode & 0x7);
5437 check_insn(env, ctx, ASE_MT);
5442 gen_mftr(env, ctx, rt, rd, (ctx->opcode >> 5) & 1,
5443 ctx->opcode & 0x7, (ctx->opcode >> 4) & 1);
5447 check_insn(env, ctx, ASE_MT);
5448 gen_mttr(env, ctx, rd, rt, (ctx->opcode >> 5) & 1,
5449 ctx->opcode & 0x7, (ctx->opcode >> 4) & 1);
5454 if (!env->tlb->helper_tlbwi)
5460 if (!env->tlb->helper_tlbwr)
5466 if (!env->tlb->helper_tlbp)
5472 if (!env->tlb->helper_tlbr)
5478 check_insn(env, ctx, ISA_MIPS2);
5479 save_cpu_state(ctx, 1);
5481 ctx->bstate = BS_EXCP;
5485 check_insn(env, ctx, ISA_MIPS32);
5486 if (!(ctx->hflags & MIPS_HFLAG_DM)) {
5488 generate_exception(ctx, EXCP_RI);
5490 save_cpu_state(ctx, 1);
5492 ctx->bstate = BS_EXCP;
5497 check_insn(env, ctx, ISA_MIPS3 | ISA_MIPS32);
5498 /* If we get an exception, we want to restart at next instruction */
5500 save_cpu_state(ctx, 1);
5503 ctx->bstate = BS_EXCP;
5508 generate_exception(ctx, EXCP_RI);
5511 MIPS_DEBUG("%s %s %d", opn, regnames[rt], rd);
5513 #endif /* !CONFIG_USER_ONLY */
5515 /* CP1 Branches (before delay slot) */
5516 static void gen_compute_branch1 (CPUState *env, DisasContext *ctx, uint32_t op,
5517 int32_t cc, int32_t offset)
5519 target_ulong btarget;
5520 const char *opn = "cp1 cond branch";
5521 TCGv_i32 t0 = tcg_temp_new_i32();
5524 check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32);
5526 btarget = ctx->pc + 4 + offset;
5531 int l1 = gen_new_label();
5532 int l2 = gen_new_label();
5535 tcg_gen_andi_i32(t0, t0, 0x1 << cc);
5536 tcg_gen_brcondi_i32(TCG_COND_EQ, t0, 0, l1);
5537 tcg_gen_movi_i32(bcond, 0);
5540 tcg_gen_movi_i32(bcond, 1);
5547 int l1 = gen_new_label();
5548 int l2 = gen_new_label();
5551 tcg_gen_andi_i32(t0, t0, 0x1 << cc);
5552 tcg_gen_brcondi_i32(TCG_COND_EQ, t0, 0, l1);
5553 tcg_gen_movi_i32(bcond, 0);
5556 tcg_gen_movi_i32(bcond, 1);
5563 int l1 = gen_new_label();
5564 int l2 = gen_new_label();
5567 tcg_gen_andi_i32(t0, t0, 0x1 << cc);
5568 tcg_gen_brcondi_i32(TCG_COND_NE, t0, 0, l1);
5569 tcg_gen_movi_i32(bcond, 0);
5572 tcg_gen_movi_i32(bcond, 1);
5579 int l1 = gen_new_label();
5580 int l2 = gen_new_label();
5583 tcg_gen_andi_i32(t0, t0, 0x1 << cc);
5584 tcg_gen_brcondi_i32(TCG_COND_NE, t0, 0, l1);
5585 tcg_gen_movi_i32(bcond, 0);
5588 tcg_gen_movi_i32(bcond, 1);
5593 ctx->hflags |= MIPS_HFLAG_BL;
5597 int l1 = gen_new_label();
5598 int l2 = gen_new_label();
5601 tcg_gen_andi_i32(t0, t0, 0x3 << cc);
5602 tcg_gen_brcondi_i32(TCG_COND_EQ, t0, 0, l1);
5603 tcg_gen_movi_i32(bcond, 0);
5606 tcg_gen_movi_i32(bcond, 1);
5613 int l1 = gen_new_label();
5614 int l2 = gen_new_label();
5617 tcg_gen_andi_i32(t0, t0, 0x3 << cc);
5618 tcg_gen_brcondi_i32(TCG_COND_NE, t0, 0, l1);
5619 tcg_gen_movi_i32(bcond, 0);
5622 tcg_gen_movi_i32(bcond, 1);
5629 int l1 = gen_new_label();
5630 int l2 = gen_new_label();
5633 tcg_gen_andi_i32(t0, t0, 0xf << cc);
5634 tcg_gen_brcondi_i32(TCG_COND_EQ, t0, 0, l1);
5635 tcg_gen_movi_i32(bcond, 0);
5638 tcg_gen_movi_i32(bcond, 1);
5645 int l1 = gen_new_label();
5646 int l2 = gen_new_label();
5649 tcg_gen_andi_i32(t0, t0, 0xf << cc);
5650 tcg_gen_brcondi_i32(TCG_COND_NE, t0, 0, l1);
5651 tcg_gen_movi_i32(bcond, 0);
5654 tcg_gen_movi_i32(bcond, 1);
5659 ctx->hflags |= MIPS_HFLAG_BC;
5663 generate_exception (ctx, EXCP_RI);
5666 MIPS_DEBUG("%s: cond %02x target " TARGET_FMT_lx, opn,
5667 ctx->hflags, btarget);
5668 ctx->btarget = btarget;
5671 tcg_temp_free_i32(t0);
5674 /* Coprocessor 1 (FPU) */
5676 #define FOP(func, fmt) (((fmt) << 21) | (func))
5678 static void gen_cp1 (DisasContext *ctx, uint32_t opc, int rt, int fs)
5680 const char *opn = "cp1 move";
5681 TCGv t0 = tcg_temp_local_new();
5686 TCGv_i32 fp0 = tcg_temp_new_i32();
5688 gen_load_fpr32(fp0, fs);
5689 tcg_gen_ext_i32_tl(t0, fp0);
5690 tcg_temp_free_i32(fp0);
5692 gen_store_gpr(t0, rt);
5696 gen_load_gpr(t0, rt);
5698 TCGv_i32 fp0 = tcg_temp_new_i32();
5700 tcg_gen_trunc_tl_i32(fp0, t0);
5701 gen_store_fpr32(fp0, fs);
5702 tcg_temp_free_i32(fp0);
5707 gen_helper_1i(cfc1, t0, fs);
5708 gen_store_gpr(t0, rt);
5712 gen_load_gpr(t0, rt);
5713 gen_helper_1i(ctc1, t0, fs);
5718 TCGv_i64 fp0 = tcg_temp_new_i64();
5720 gen_load_fpr64(ctx, fp0, fs);
5721 tcg_gen_trunc_i64_tl(t0, fp0);
5722 tcg_temp_free_i64(fp0);
5724 gen_store_gpr(t0, rt);
5728 gen_load_gpr(t0, rt);
5730 TCGv_i64 fp0 = tcg_temp_new_i64();
5732 tcg_gen_extu_tl_i64(fp0, t0);
5733 gen_store_fpr64(ctx, fp0, fs);
5734 tcg_temp_free_i64(fp0);
5740 TCGv_i32 fp0 = tcg_temp_new_i32();
5742 gen_load_fpr32h(fp0, fs);
5743 tcg_gen_ext_i32_tl(t0, fp0);
5744 tcg_temp_free_i32(fp0);
5746 gen_store_gpr(t0, rt);
5750 gen_load_gpr(t0, rt);
5752 TCGv_i32 fp0 = tcg_temp_new_i32();
5754 tcg_gen_trunc_tl_i32(fp0, t0);
5755 gen_store_fpr32h(fp0, fs);
5756 tcg_temp_free_i32(fp0);
5762 generate_exception (ctx, EXCP_RI);
5765 MIPS_DEBUG("%s %s %s", opn, regnames[rt], fregnames[fs]);
5771 static void gen_movci (DisasContext *ctx, int rd, int rs, int cc, int tf)
5773 int l1 = gen_new_label();
5776 TCGv t0 = tcg_temp_local_new();
5777 TCGv_i32 r_tmp = tcg_temp_new_i32();
5780 ccbit = 1 << (24 + cc);
5788 gen_load_gpr(t0, rd);
5789 tcg_gen_andi_i32(r_tmp, fpu_fcr31, ccbit);
5790 tcg_gen_brcondi_i32(cond, r_tmp, 0, l1);
5791 tcg_temp_free_i32(r_tmp);
5792 gen_load_gpr(t0, rs);
5794 gen_store_gpr(t0, rd);
5798 static inline void gen_movcf_s (int fs, int fd, int cc, int tf)
5802 TCGv_i32 r_tmp1 = tcg_temp_new_i32();
5803 TCGv_i32 fp0 = tcg_temp_local_new_i32();
5804 int l1 = gen_new_label();
5807 ccbit = 1 << (24 + cc);
5816 gen_load_fpr32(fp0, fd);
5817 tcg_gen_andi_i32(r_tmp1, fpu_fcr31, ccbit);
5818 tcg_gen_brcondi_i32(cond, r_tmp1, 0, l1);
5819 tcg_temp_free_i32(r_tmp1);
5820 gen_load_fpr32(fp0, fs);
5822 gen_store_fpr32(fp0, fd);
5823 tcg_temp_free_i32(fp0);
5826 static inline void gen_movcf_d (DisasContext *ctx, int fs, int fd, int cc, int tf)
5830 TCGv_i32 r_tmp1 = tcg_temp_new_i32();
5831 TCGv_i64 fp0 = tcg_temp_local_new_i64();
5832 int l1 = gen_new_label();
5835 ccbit = 1 << (24 + cc);
5844 gen_load_fpr64(ctx, fp0, fd);
5845 tcg_gen_andi_i32(r_tmp1, fpu_fcr31, ccbit);
5846 tcg_gen_brcondi_i32(cond, r_tmp1, 0, l1);
5847 tcg_temp_free_i32(r_tmp1);
5848 gen_load_fpr64(ctx, fp0, fs);
5850 gen_store_fpr64(ctx, fp0, fd);
5851 tcg_temp_free_i64(fp0);
5854 static inline void gen_movcf_ps (int fs, int fd, int cc, int tf)
5856 uint32_t ccbit1, ccbit2;
5858 TCGv_i32 r_tmp1 = tcg_temp_new_i32();
5859 TCGv_i32 fp0 = tcg_temp_local_new_i32();
5860 int l1 = gen_new_label();
5861 int l2 = gen_new_label();
5864 ccbit1 = 1 << (24 + cc);
5865 ccbit2 = 1 << (25 + cc);
5876 gen_load_fpr32(fp0, fd);
5877 tcg_gen_andi_i32(r_tmp1, fpu_fcr31, ccbit1);
5878 tcg_gen_brcondi_i32(cond, r_tmp1, 0, l1);
5879 gen_load_fpr32(fp0, fs);
5881 gen_store_fpr32(fp0, fd);
5883 gen_load_fpr32h(fp0, fd);
5884 tcg_gen_andi_i32(r_tmp1, fpu_fcr31, ccbit2);
5885 tcg_gen_brcondi_i32(cond, r_tmp1, 0, l2);
5886 gen_load_fpr32h(fp0, fs);
5888 gen_store_fpr32h(fp0, fd);
5890 tcg_temp_free_i32(r_tmp1);
5891 tcg_temp_free_i32(fp0);
5895 static void gen_farith (DisasContext *ctx, uint32_t op1,
5896 int ft, int fs, int fd, int cc)
5898 const char *opn = "farith";
5899 const char *condnames[] = {
5917 const char *condnames_abs[] = {
5935 enum { BINOP, CMPOP, OTHEROP } optype = OTHEROP;
5936 uint32_t func = ctx->opcode & 0x3f;
5938 switch (ctx->opcode & FOP(0x3f, 0x1f)) {
5941 TCGv_i32 fp0 = tcg_temp_new_i32();
5942 TCGv_i32 fp1 = tcg_temp_new_i32();
5944 gen_load_fpr32(fp0, fs);
5945 gen_load_fpr32(fp1, ft);
5946 gen_helper_float_add_s(fp0, fp0, fp1);
5947 tcg_temp_free_i32(fp1);
5948 gen_store_fpr32(fp0, fd);
5949 tcg_temp_free_i32(fp0);
5956 TCGv_i32 fp0 = tcg_temp_new_i32();
5957 TCGv_i32 fp1 = tcg_temp_new_i32();
5959 gen_load_fpr32(fp0, fs);
5960 gen_load_fpr32(fp1, ft);
5961 gen_helper_float_sub_s(fp0, fp0, fp1);
5962 tcg_temp_free_i32(fp1);
5963 gen_store_fpr32(fp0, fd);
5964 tcg_temp_free_i32(fp0);
5971 TCGv_i32 fp0 = tcg_temp_new_i32();
5972 TCGv_i32 fp1 = tcg_temp_new_i32();
5974 gen_load_fpr32(fp0, fs);
5975 gen_load_fpr32(fp1, ft);
5976 gen_helper_float_mul_s(fp0, fp0, fp1);
5977 tcg_temp_free_i32(fp1);
5978 gen_store_fpr32(fp0, fd);
5979 tcg_temp_free_i32(fp0);
5986 TCGv_i32 fp0 = tcg_temp_new_i32();
5987 TCGv_i32 fp1 = tcg_temp_new_i32();
5989 gen_load_fpr32(fp0, fs);
5990 gen_load_fpr32(fp1, ft);
5991 gen_helper_float_div_s(fp0, fp0, fp1);
5992 tcg_temp_free_i32(fp1);
5993 gen_store_fpr32(fp0, fd);
5994 tcg_temp_free_i32(fp0);
6001 TCGv_i32 fp0 = tcg_temp_new_i32();
6003 gen_load_fpr32(fp0, fs);
6004 gen_helper_float_sqrt_s(fp0, fp0);
6005 gen_store_fpr32(fp0, fd);
6006 tcg_temp_free_i32(fp0);
6012 TCGv_i32 fp0 = tcg_temp_new_i32();
6014 gen_load_fpr32(fp0, fs);
6015 gen_helper_float_abs_s(fp0, fp0);
6016 gen_store_fpr32(fp0, fd);
6017 tcg_temp_free_i32(fp0);
6023 TCGv_i32 fp0 = tcg_temp_new_i32();
6025 gen_load_fpr32(fp0, fs);
6026 gen_store_fpr32(fp0, fd);
6027 tcg_temp_free_i32(fp0);
6033 TCGv_i32 fp0 = tcg_temp_new_i32();
6035 gen_load_fpr32(fp0, fs);
6036 gen_helper_float_chs_s(fp0, fp0);
6037 gen_store_fpr32(fp0, fd);
6038 tcg_temp_free_i32(fp0);
6043 check_cp1_64bitmode(ctx);
6045 TCGv_i32 fp32 = tcg_temp_new_i32();
6046 TCGv_i64 fp64 = tcg_temp_new_i64();
6048 gen_load_fpr32(fp32, fs);
6049 gen_helper_float_roundl_s(fp64, fp32);
6050 tcg_temp_free_i32(fp32);
6051 gen_store_fpr64(ctx, fp64, fd);
6052 tcg_temp_free_i64(fp64);
6057 check_cp1_64bitmode(ctx);
6059 TCGv_i32 fp32 = tcg_temp_new_i32();
6060 TCGv_i64 fp64 = tcg_temp_new_i64();
6062 gen_load_fpr32(fp32, fs);
6063 gen_helper_float_truncl_s(fp64, fp32);
6064 tcg_temp_free_i32(fp32);
6065 gen_store_fpr64(ctx, fp64, fd);
6066 tcg_temp_free_i64(fp64);
6071 check_cp1_64bitmode(ctx);
6073 TCGv_i32 fp32 = tcg_temp_new_i32();
6074 TCGv_i64 fp64 = tcg_temp_new_i64();
6076 gen_load_fpr32(fp32, fs);
6077 gen_helper_float_ceill_s(fp64, fp32);
6078 tcg_temp_free_i32(fp32);
6079 gen_store_fpr64(ctx, fp64, fd);
6080 tcg_temp_free_i64(fp64);
6085 check_cp1_64bitmode(ctx);
6087 TCGv_i32 fp32 = tcg_temp_new_i32();
6088 TCGv_i64 fp64 = tcg_temp_new_i64();
6090 gen_load_fpr32(fp32, fs);
6091 gen_helper_float_floorl_s(fp64, fp32);
6092 tcg_temp_free_i32(fp32);
6093 gen_store_fpr64(ctx, fp64, fd);
6094 tcg_temp_free_i64(fp64);
6100 TCGv_i32 fp0 = tcg_temp_new_i32();
6102 gen_load_fpr32(fp0, fs);
6103 gen_helper_float_roundw_s(fp0, fp0);
6104 gen_store_fpr32(fp0, fd);
6105 tcg_temp_free_i32(fp0);
6111 TCGv_i32 fp0 = tcg_temp_new_i32();
6113 gen_load_fpr32(fp0, fs);
6114 gen_helper_float_truncw_s(fp0, fp0);
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_ceilw_s(fp0, fp0);
6126 gen_store_fpr32(fp0, fd);
6127 tcg_temp_free_i32(fp0);
6133 TCGv_i32 fp0 = tcg_temp_new_i32();
6135 gen_load_fpr32(fp0, fs);
6136 gen_helper_float_floorw_s(fp0, fp0);
6137 gen_store_fpr32(fp0, fd);
6138 tcg_temp_free_i32(fp0);
6143 gen_movcf_s(fs, fd, (ft >> 2) & 0x7, ft & 0x1);
6148 int l1 = gen_new_label();
6149 TCGv t0 = tcg_temp_new();
6150 TCGv_i32 fp0 = tcg_temp_local_new_i32();
6152 gen_load_gpr(t0, ft);
6153 tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1);
6154 gen_load_fpr32(fp0, fs);
6155 gen_store_fpr32(fp0, fd);
6156 tcg_temp_free_i32(fp0);
6164 int l1 = gen_new_label();
6165 TCGv t0 = tcg_temp_new();
6166 TCGv_i32 fp0 = tcg_temp_local_new_i32();
6168 gen_load_gpr(t0, ft);
6169 tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
6170 gen_load_fpr32(fp0, fs);
6171 gen_store_fpr32(fp0, fd);
6172 tcg_temp_free_i32(fp0);
6181 TCGv_i32 fp0 = tcg_temp_new_i32();
6183 gen_load_fpr32(fp0, fs);
6184 gen_helper_float_recip_s(fp0, fp0);
6185 gen_store_fpr32(fp0, fd);
6186 tcg_temp_free_i32(fp0);
6193 TCGv_i32 fp0 = tcg_temp_new_i32();
6195 gen_load_fpr32(fp0, fs);
6196 gen_helper_float_rsqrt_s(fp0, fp0);
6197 gen_store_fpr32(fp0, fd);
6198 tcg_temp_free_i32(fp0);
6203 check_cp1_64bitmode(ctx);
6205 TCGv_i32 fp0 = tcg_temp_new_i32();
6206 TCGv_i32 fp1 = tcg_temp_new_i32();
6208 gen_load_fpr32(fp0, fs);
6209 gen_load_fpr32(fp1, fd);
6210 gen_helper_float_recip2_s(fp0, fp0, fp1);
6211 tcg_temp_free_i32(fp1);
6212 gen_store_fpr32(fp0, fd);
6213 tcg_temp_free_i32(fp0);
6218 check_cp1_64bitmode(ctx);
6220 TCGv_i32 fp0 = tcg_temp_new_i32();
6222 gen_load_fpr32(fp0, fs);
6223 gen_helper_float_recip1_s(fp0, fp0);
6224 gen_store_fpr32(fp0, fd);
6225 tcg_temp_free_i32(fp0);
6230 check_cp1_64bitmode(ctx);
6232 TCGv_i32 fp0 = tcg_temp_new_i32();
6234 gen_load_fpr32(fp0, fs);
6235 gen_helper_float_rsqrt1_s(fp0, fp0);
6236 gen_store_fpr32(fp0, fd);
6237 tcg_temp_free_i32(fp0);
6242 check_cp1_64bitmode(ctx);
6244 TCGv_i32 fp0 = tcg_temp_new_i32();
6245 TCGv_i32 fp1 = tcg_temp_new_i32();
6247 gen_load_fpr32(fp0, fs);
6248 gen_load_fpr32(fp1, ft);
6249 gen_helper_float_rsqrt2_s(fp0, fp0, fp1);
6250 tcg_temp_free_i32(fp1);
6251 gen_store_fpr32(fp0, fd);
6252 tcg_temp_free_i32(fp0);
6257 check_cp1_registers(ctx, fd);
6259 TCGv_i32 fp32 = tcg_temp_new_i32();
6260 TCGv_i64 fp64 = tcg_temp_new_i64();
6262 gen_load_fpr32(fp32, fs);
6263 gen_helper_float_cvtd_s(fp64, fp32);
6264 tcg_temp_free_i32(fp32);
6265 gen_store_fpr64(ctx, fp64, fd);
6266 tcg_temp_free_i64(fp64);
6272 TCGv_i32 fp0 = tcg_temp_new_i32();
6274 gen_load_fpr32(fp0, fs);
6275 gen_helper_float_cvtw_s(fp0, fp0);
6276 gen_store_fpr32(fp0, fd);
6277 tcg_temp_free_i32(fp0);
6282 check_cp1_64bitmode(ctx);
6284 TCGv_i32 fp32 = tcg_temp_new_i32();
6285 TCGv_i64 fp64 = tcg_temp_new_i64();
6287 gen_load_fpr32(fp32, fs);
6288 gen_helper_float_cvtl_s(fp64, fp32);
6289 tcg_temp_free_i32(fp32);
6290 gen_store_fpr64(ctx, fp64, fd);
6291 tcg_temp_free_i64(fp64);
6296 check_cp1_64bitmode(ctx);
6298 TCGv_i64 fp64 = tcg_temp_new_i64();
6299 TCGv_i32 fp32_0 = tcg_temp_new_i32();
6300 TCGv_i32 fp32_1 = tcg_temp_new_i32();
6302 gen_load_fpr32(fp32_0, fs);
6303 gen_load_fpr32(fp32_1, ft);
6304 tcg_gen_concat_i32_i64(fp64, fp32_0, fp32_1);
6305 tcg_temp_free_i32(fp32_1);
6306 tcg_temp_free_i32(fp32_0);
6307 gen_store_fpr64(ctx, fp64, fd);
6308 tcg_temp_free_i64(fp64);
6329 TCGv_i32 fp0 = tcg_temp_new_i32();
6330 TCGv_i32 fp1 = tcg_temp_new_i32();
6332 gen_load_fpr32(fp0, fs);
6333 gen_load_fpr32(fp1, ft);
6334 if (ctx->opcode & (1 << 6)) {
6336 gen_cmpabs_s(func-48, fp0, fp1, cc);
6337 opn = condnames_abs[func-48];
6339 gen_cmp_s(func-48, fp0, fp1, cc);
6340 opn = condnames[func-48];
6342 tcg_temp_free_i32(fp0);
6343 tcg_temp_free_i32(fp1);
6347 check_cp1_registers(ctx, fs | ft | fd);
6349 TCGv_i64 fp0 = tcg_temp_new_i64();
6350 TCGv_i64 fp1 = tcg_temp_new_i64();
6352 gen_load_fpr64(ctx, fp0, fs);
6353 gen_load_fpr64(ctx, fp1, ft);
6354 gen_helper_float_add_d(fp0, fp0, fp1);
6355 tcg_temp_free_i64(fp1);
6356 gen_store_fpr64(ctx, fp0, fd);
6357 tcg_temp_free_i64(fp0);
6363 check_cp1_registers(ctx, fs | ft | fd);
6365 TCGv_i64 fp0 = tcg_temp_new_i64();
6366 TCGv_i64 fp1 = tcg_temp_new_i64();
6368 gen_load_fpr64(ctx, fp0, fs);
6369 gen_load_fpr64(ctx, fp1, ft);
6370 gen_helper_float_sub_d(fp0, fp0, fp1);
6371 tcg_temp_free_i64(fp1);
6372 gen_store_fpr64(ctx, fp0, fd);
6373 tcg_temp_free_i64(fp0);
6379 check_cp1_registers(ctx, fs | ft | fd);
6381 TCGv_i64 fp0 = tcg_temp_new_i64();
6382 TCGv_i64 fp1 = tcg_temp_new_i64();
6384 gen_load_fpr64(ctx, fp0, fs);
6385 gen_load_fpr64(ctx, fp1, ft);
6386 gen_helper_float_mul_d(fp0, fp0, fp1);
6387 tcg_temp_free_i64(fp1);
6388 gen_store_fpr64(ctx, fp0, fd);
6389 tcg_temp_free_i64(fp0);
6395 check_cp1_registers(ctx, fs | ft | fd);
6397 TCGv_i64 fp0 = tcg_temp_new_i64();
6398 TCGv_i64 fp1 = tcg_temp_new_i64();
6400 gen_load_fpr64(ctx, fp0, fs);
6401 gen_load_fpr64(ctx, fp1, ft);
6402 gen_helper_float_div_d(fp0, fp0, fp1);
6403 tcg_temp_free_i64(fp1);
6404 gen_store_fpr64(ctx, fp0, fd);
6405 tcg_temp_free_i64(fp0);
6411 check_cp1_registers(ctx, fs | fd);
6413 TCGv_i64 fp0 = tcg_temp_new_i64();
6415 gen_load_fpr64(ctx, fp0, fs);
6416 gen_helper_float_sqrt_d(fp0, fp0);
6417 gen_store_fpr64(ctx, fp0, fd);
6418 tcg_temp_free_i64(fp0);
6423 check_cp1_registers(ctx, fs | fd);
6425 TCGv_i64 fp0 = tcg_temp_new_i64();
6427 gen_load_fpr64(ctx, fp0, fs);
6428 gen_helper_float_abs_d(fp0, fp0);
6429 gen_store_fpr64(ctx, fp0, fd);
6430 tcg_temp_free_i64(fp0);
6435 check_cp1_registers(ctx, fs | fd);
6437 TCGv_i64 fp0 = tcg_temp_new_i64();
6439 gen_load_fpr64(ctx, fp0, fs);
6440 gen_store_fpr64(ctx, fp0, fd);
6441 tcg_temp_free_i64(fp0);
6446 check_cp1_registers(ctx, fs | fd);
6448 TCGv_i64 fp0 = tcg_temp_new_i64();
6450 gen_load_fpr64(ctx, fp0, fs);
6451 gen_helper_float_chs_d(fp0, fp0);
6452 gen_store_fpr64(ctx, fp0, fd);
6453 tcg_temp_free_i64(fp0);
6458 check_cp1_64bitmode(ctx);
6460 TCGv_i64 fp0 = tcg_temp_new_i64();
6462 gen_load_fpr64(ctx, fp0, fs);
6463 gen_helper_float_roundl_d(fp0, fp0);
6464 gen_store_fpr64(ctx, fp0, fd);
6465 tcg_temp_free_i64(fp0);
6470 check_cp1_64bitmode(ctx);
6472 TCGv_i64 fp0 = tcg_temp_new_i64();
6474 gen_load_fpr64(ctx, fp0, fs);
6475 gen_helper_float_truncl_d(fp0, fp0);
6476 gen_store_fpr64(ctx, fp0, fd);
6477 tcg_temp_free_i64(fp0);
6482 check_cp1_64bitmode(ctx);
6484 TCGv_i64 fp0 = tcg_temp_new_i64();
6486 gen_load_fpr64(ctx, fp0, fs);
6487 gen_helper_float_ceill_d(fp0, fp0);
6488 gen_store_fpr64(ctx, fp0, fd);
6489 tcg_temp_free_i64(fp0);
6494 check_cp1_64bitmode(ctx);
6496 TCGv_i64 fp0 = tcg_temp_new_i64();
6498 gen_load_fpr64(ctx, fp0, fs);
6499 gen_helper_float_floorl_d(fp0, fp0);
6500 gen_store_fpr64(ctx, fp0, fd);
6501 tcg_temp_free_i64(fp0);
6506 check_cp1_registers(ctx, fs);
6508 TCGv_i32 fp32 = tcg_temp_new_i32();
6509 TCGv_i64 fp64 = tcg_temp_new_i64();
6511 gen_load_fpr64(ctx, fp64, fs);
6512 gen_helper_float_roundw_d(fp32, fp64);
6513 tcg_temp_free_i64(fp64);
6514 gen_store_fpr32(fp32, fd);
6515 tcg_temp_free_i32(fp32);
6520 check_cp1_registers(ctx, fs);
6522 TCGv_i32 fp32 = tcg_temp_new_i32();
6523 TCGv_i64 fp64 = tcg_temp_new_i64();
6525 gen_load_fpr64(ctx, fp64, fs);
6526 gen_helper_float_truncw_d(fp32, fp64);
6527 tcg_temp_free_i64(fp64);
6528 gen_store_fpr32(fp32, fd);
6529 tcg_temp_free_i32(fp32);
6534 check_cp1_registers(ctx, fs);
6536 TCGv_i32 fp32 = tcg_temp_new_i32();
6537 TCGv_i64 fp64 = tcg_temp_new_i64();
6539 gen_load_fpr64(ctx, fp64, fs);
6540 gen_helper_float_ceilw_d(fp32, fp64);
6541 tcg_temp_free_i64(fp64);
6542 gen_store_fpr32(fp32, fd);
6543 tcg_temp_free_i32(fp32);
6548 check_cp1_registers(ctx, fs);
6550 TCGv_i32 fp32 = tcg_temp_new_i32();
6551 TCGv_i64 fp64 = tcg_temp_new_i64();
6553 gen_load_fpr64(ctx, fp64, fs);
6554 gen_helper_float_floorw_d(fp32, fp64);
6555 tcg_temp_free_i64(fp64);
6556 gen_store_fpr32(fp32, fd);
6557 tcg_temp_free_i32(fp32);
6562 gen_movcf_d(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1);
6567 int l1 = gen_new_label();
6568 TCGv t0 = tcg_temp_new();
6569 TCGv_i64 fp0 = tcg_temp_local_new_i64();
6571 gen_load_gpr(t0, ft);
6572 tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1);
6573 gen_load_fpr64(ctx, fp0, fs);
6574 gen_store_fpr64(ctx, fp0, fd);
6575 tcg_temp_free_i64(fp0);
6583 int l1 = gen_new_label();
6584 TCGv t0 = tcg_temp_new();
6585 TCGv_i64 fp0 = tcg_temp_local_new_i64();
6587 gen_load_gpr(t0, ft);
6588 tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
6589 gen_load_fpr64(ctx, fp0, fs);
6590 gen_store_fpr64(ctx, fp0, fd);
6591 tcg_temp_free_i64(fp0);
6598 check_cp1_64bitmode(ctx);
6600 TCGv_i64 fp0 = tcg_temp_new_i64();
6602 gen_load_fpr64(ctx, fp0, fs);
6603 gen_helper_float_recip_d(fp0, fp0);
6604 gen_store_fpr64(ctx, fp0, fd);
6605 tcg_temp_free_i64(fp0);
6610 check_cp1_64bitmode(ctx);
6612 TCGv_i64 fp0 = tcg_temp_new_i64();
6614 gen_load_fpr64(ctx, fp0, fs);
6615 gen_helper_float_rsqrt_d(fp0, fp0);
6616 gen_store_fpr64(ctx, fp0, fd);
6617 tcg_temp_free_i64(fp0);
6622 check_cp1_64bitmode(ctx);
6624 TCGv_i64 fp0 = tcg_temp_new_i64();
6625 TCGv_i64 fp1 = tcg_temp_new_i64();
6627 gen_load_fpr64(ctx, fp0, fs);
6628 gen_load_fpr64(ctx, fp1, ft);
6629 gen_helper_float_recip2_d(fp0, fp0, fp1);
6630 tcg_temp_free_i64(fp1);
6631 gen_store_fpr64(ctx, fp0, fd);
6632 tcg_temp_free_i64(fp0);
6637 check_cp1_64bitmode(ctx);
6639 TCGv_i64 fp0 = tcg_temp_new_i64();
6641 gen_load_fpr64(ctx, fp0, fs);
6642 gen_helper_float_recip1_d(fp0, fp0);
6643 gen_store_fpr64(ctx, fp0, fd);
6644 tcg_temp_free_i64(fp0);
6649 check_cp1_64bitmode(ctx);
6651 TCGv_i64 fp0 = tcg_temp_new_i64();
6653 gen_load_fpr64(ctx, fp0, fs);
6654 gen_helper_float_rsqrt1_d(fp0, fp0);
6655 gen_store_fpr64(ctx, fp0, fd);
6656 tcg_temp_free_i64(fp0);
6661 check_cp1_64bitmode(ctx);
6663 TCGv_i64 fp0 = tcg_temp_new_i64();
6664 TCGv_i64 fp1 = tcg_temp_new_i64();
6666 gen_load_fpr64(ctx, fp0, fs);
6667 gen_load_fpr64(ctx, fp1, ft);
6668 gen_helper_float_rsqrt2_d(fp0, fp0, fp1);
6669 tcg_temp_free_i64(fp1);
6670 gen_store_fpr64(ctx, fp0, fd);
6671 tcg_temp_free_i64(fp0);
6692 TCGv_i64 fp0 = tcg_temp_new_i64();
6693 TCGv_i64 fp1 = tcg_temp_new_i64();
6695 gen_load_fpr64(ctx, fp0, fs);
6696 gen_load_fpr64(ctx, fp1, ft);
6697 if (ctx->opcode & (1 << 6)) {
6699 check_cp1_registers(ctx, fs | ft);
6700 gen_cmpabs_d(func-48, fp0, fp1, cc);
6701 opn = condnames_abs[func-48];
6703 check_cp1_registers(ctx, fs | ft);
6704 gen_cmp_d(func-48, fp0, fp1, cc);
6705 opn = condnames[func-48];
6707 tcg_temp_free_i64(fp0);
6708 tcg_temp_free_i64(fp1);
6712 check_cp1_registers(ctx, fs);
6714 TCGv_i32 fp32 = tcg_temp_new_i32();
6715 TCGv_i64 fp64 = tcg_temp_new_i64();
6717 gen_load_fpr64(ctx, fp64, fs);
6718 gen_helper_float_cvts_d(fp32, fp64);
6719 tcg_temp_free_i64(fp64);
6720 gen_store_fpr32(fp32, fd);
6721 tcg_temp_free_i32(fp32);
6726 check_cp1_registers(ctx, fs);
6728 TCGv_i32 fp32 = tcg_temp_new_i32();
6729 TCGv_i64 fp64 = tcg_temp_new_i64();
6731 gen_load_fpr64(ctx, fp64, fs);
6732 gen_helper_float_cvtw_d(fp32, fp64);
6733 tcg_temp_free_i64(fp64);
6734 gen_store_fpr32(fp32, fd);
6735 tcg_temp_free_i32(fp32);
6740 check_cp1_64bitmode(ctx);
6742 TCGv_i64 fp0 = tcg_temp_new_i64();
6744 gen_load_fpr64(ctx, fp0, fs);
6745 gen_helper_float_cvtl_d(fp0, fp0);
6746 gen_store_fpr64(ctx, fp0, fd);
6747 tcg_temp_free_i64(fp0);
6753 TCGv_i32 fp0 = tcg_temp_new_i32();
6755 gen_load_fpr32(fp0, fs);
6756 gen_helper_float_cvts_w(fp0, fp0);
6757 gen_store_fpr32(fp0, fd);
6758 tcg_temp_free_i32(fp0);
6763 check_cp1_registers(ctx, fd);
6765 TCGv_i32 fp32 = tcg_temp_new_i32();
6766 TCGv_i64 fp64 = tcg_temp_new_i64();
6768 gen_load_fpr32(fp32, fs);
6769 gen_helper_float_cvtd_w(fp64, fp32);
6770 tcg_temp_free_i32(fp32);
6771 gen_store_fpr64(ctx, fp64, fd);
6772 tcg_temp_free_i64(fp64);
6777 check_cp1_64bitmode(ctx);
6779 TCGv_i32 fp32 = tcg_temp_new_i32();
6780 TCGv_i64 fp64 = tcg_temp_new_i64();
6782 gen_load_fpr64(ctx, fp64, fs);
6783 gen_helper_float_cvts_l(fp32, fp64);
6784 tcg_temp_free_i64(fp64);
6785 gen_store_fpr32(fp32, fd);
6786 tcg_temp_free_i32(fp32);
6791 check_cp1_64bitmode(ctx);
6793 TCGv_i64 fp0 = tcg_temp_new_i64();
6795 gen_load_fpr64(ctx, fp0, fs);
6796 gen_helper_float_cvtd_l(fp0, fp0);
6797 gen_store_fpr64(ctx, fp0, fd);
6798 tcg_temp_free_i64(fp0);
6803 check_cp1_64bitmode(ctx);
6805 TCGv_i64 fp0 = tcg_temp_new_i64();
6807 gen_load_fpr64(ctx, fp0, fs);
6808 gen_helper_float_cvtps_pw(fp0, fp0);
6809 gen_store_fpr64(ctx, fp0, fd);
6810 tcg_temp_free_i64(fp0);
6815 check_cp1_64bitmode(ctx);
6817 TCGv_i64 fp0 = tcg_temp_new_i64();
6818 TCGv_i64 fp1 = tcg_temp_new_i64();
6820 gen_load_fpr64(ctx, fp0, fs);
6821 gen_load_fpr64(ctx, fp1, ft);
6822 gen_helper_float_add_ps(fp0, fp0, fp1);
6823 tcg_temp_free_i64(fp1);
6824 gen_store_fpr64(ctx, fp0, fd);
6825 tcg_temp_free_i64(fp0);
6830 check_cp1_64bitmode(ctx);
6832 TCGv_i64 fp0 = tcg_temp_new_i64();
6833 TCGv_i64 fp1 = tcg_temp_new_i64();
6835 gen_load_fpr64(ctx, fp0, fs);
6836 gen_load_fpr64(ctx, fp1, ft);
6837 gen_helper_float_sub_ps(fp0, fp0, fp1);
6838 tcg_temp_free_i64(fp1);
6839 gen_store_fpr64(ctx, fp0, fd);
6840 tcg_temp_free_i64(fp0);
6845 check_cp1_64bitmode(ctx);
6847 TCGv_i64 fp0 = tcg_temp_new_i64();
6848 TCGv_i64 fp1 = tcg_temp_new_i64();
6850 gen_load_fpr64(ctx, fp0, fs);
6851 gen_load_fpr64(ctx, fp1, ft);
6852 gen_helper_float_mul_ps(fp0, fp0, fp1);
6853 tcg_temp_free_i64(fp1);
6854 gen_store_fpr64(ctx, fp0, fd);
6855 tcg_temp_free_i64(fp0);
6860 check_cp1_64bitmode(ctx);
6862 TCGv_i64 fp0 = tcg_temp_new_i64();
6864 gen_load_fpr64(ctx, fp0, fs);
6865 gen_helper_float_abs_ps(fp0, fp0);
6866 gen_store_fpr64(ctx, fp0, fd);
6867 tcg_temp_free_i64(fp0);
6872 check_cp1_64bitmode(ctx);
6874 TCGv_i64 fp0 = tcg_temp_new_i64();
6876 gen_load_fpr64(ctx, fp0, fs);
6877 gen_store_fpr64(ctx, fp0, fd);
6878 tcg_temp_free_i64(fp0);
6883 check_cp1_64bitmode(ctx);
6885 TCGv_i64 fp0 = tcg_temp_new_i64();
6887 gen_load_fpr64(ctx, fp0, fs);
6888 gen_helper_float_chs_ps(fp0, fp0);
6889 gen_store_fpr64(ctx, fp0, fd);
6890 tcg_temp_free_i64(fp0);
6895 check_cp1_64bitmode(ctx);
6896 gen_movcf_ps(fs, fd, (ft >> 2) & 0x7, ft & 0x1);
6900 check_cp1_64bitmode(ctx);
6902 int l1 = gen_new_label();
6903 TCGv t0 = tcg_temp_new();
6904 TCGv_i32 fp0 = tcg_temp_local_new_i32();
6905 TCGv_i32 fph0 = tcg_temp_local_new_i32();
6907 gen_load_gpr(t0, ft);
6908 tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1);
6909 gen_load_fpr32(fp0, fs);
6910 gen_load_fpr32h(fph0, fs);
6911 gen_store_fpr32(fp0, fd);
6912 gen_store_fpr32h(fph0, fd);
6913 tcg_temp_free_i32(fp0);
6914 tcg_temp_free_i32(fph0);
6921 check_cp1_64bitmode(ctx);
6923 int l1 = gen_new_label();
6924 TCGv t0 = tcg_temp_new();
6925 TCGv_i32 fp0 = tcg_temp_local_new_i32();
6926 TCGv_i32 fph0 = tcg_temp_local_new_i32();
6928 gen_load_gpr(t0, ft);
6929 tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
6930 gen_load_fpr32(fp0, fs);
6931 gen_load_fpr32h(fph0, fs);
6932 gen_store_fpr32(fp0, fd);
6933 gen_store_fpr32h(fph0, fd);
6934 tcg_temp_free_i32(fp0);
6935 tcg_temp_free_i32(fph0);
6942 check_cp1_64bitmode(ctx);
6944 TCGv_i64 fp0 = tcg_temp_new_i64();
6945 TCGv_i64 fp1 = tcg_temp_new_i64();
6947 gen_load_fpr64(ctx, fp0, ft);
6948 gen_load_fpr64(ctx, fp1, fs);
6949 gen_helper_float_addr_ps(fp0, fp0, fp1);
6950 tcg_temp_free_i64(fp1);
6951 gen_store_fpr64(ctx, fp0, fd);
6952 tcg_temp_free_i64(fp0);
6957 check_cp1_64bitmode(ctx);
6959 TCGv_i64 fp0 = tcg_temp_new_i64();
6960 TCGv_i64 fp1 = tcg_temp_new_i64();
6962 gen_load_fpr64(ctx, fp0, ft);
6963 gen_load_fpr64(ctx, fp1, fs);
6964 gen_helper_float_mulr_ps(fp0, fp0, fp1);
6965 tcg_temp_free_i64(fp1);
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();
6975 TCGv_i64 fp1 = tcg_temp_new_i64();
6977 gen_load_fpr64(ctx, fp0, fs);
6978 gen_load_fpr64(ctx, fp1, fd);
6979 gen_helper_float_recip2_ps(fp0, fp0, fp1);
6980 tcg_temp_free_i64(fp1);
6981 gen_store_fpr64(ctx, fp0, fd);
6982 tcg_temp_free_i64(fp0);
6987 check_cp1_64bitmode(ctx);
6989 TCGv_i64 fp0 = tcg_temp_new_i64();
6991 gen_load_fpr64(ctx, fp0, fs);
6992 gen_helper_float_recip1_ps(fp0, fp0);
6993 gen_store_fpr64(ctx, fp0, fd);
6994 tcg_temp_free_i64(fp0);
6999 check_cp1_64bitmode(ctx);
7001 TCGv_i64 fp0 = tcg_temp_new_i64();
7003 gen_load_fpr64(ctx, fp0, fs);
7004 gen_helper_float_rsqrt1_ps(fp0, fp0);
7005 gen_store_fpr64(ctx, fp0, fd);
7006 tcg_temp_free_i64(fp0);
7011 check_cp1_64bitmode(ctx);
7013 TCGv_i64 fp0 = tcg_temp_new_i64();
7014 TCGv_i64 fp1 = tcg_temp_new_i64();
7016 gen_load_fpr64(ctx, fp0, fs);
7017 gen_load_fpr64(ctx, fp1, ft);
7018 gen_helper_float_rsqrt2_ps(fp0, fp0, fp1);
7019 tcg_temp_free_i64(fp1);
7020 gen_store_fpr64(ctx, fp0, fd);
7021 tcg_temp_free_i64(fp0);
7026 check_cp1_64bitmode(ctx);
7028 TCGv_i32 fp0 = tcg_temp_new_i32();
7030 gen_load_fpr32h(fp0, fs);
7031 gen_helper_float_cvts_pu(fp0, fp0);
7032 gen_store_fpr32(fp0, fd);
7033 tcg_temp_free_i32(fp0);
7038 check_cp1_64bitmode(ctx);
7040 TCGv_i64 fp0 = tcg_temp_new_i64();
7042 gen_load_fpr64(ctx, fp0, fs);
7043 gen_helper_float_cvtpw_ps(fp0, fp0);
7044 gen_store_fpr64(ctx, fp0, fd);
7045 tcg_temp_free_i64(fp0);
7050 check_cp1_64bitmode(ctx);
7052 TCGv_i32 fp0 = tcg_temp_new_i32();
7054 gen_load_fpr32(fp0, fs);
7055 gen_helper_float_cvts_pl(fp0, fp0);
7056 gen_store_fpr32(fp0, fd);
7057 tcg_temp_free_i32(fp0);
7062 check_cp1_64bitmode(ctx);
7064 TCGv_i32 fp0 = tcg_temp_new_i32();
7065 TCGv_i32 fp1 = tcg_temp_new_i32();
7067 gen_load_fpr32(fp0, fs);
7068 gen_load_fpr32(fp1, ft);
7069 gen_store_fpr32h(fp0, fd);
7070 gen_store_fpr32(fp1, fd);
7071 tcg_temp_free_i32(fp0);
7072 tcg_temp_free_i32(fp1);
7077 check_cp1_64bitmode(ctx);
7079 TCGv_i32 fp0 = tcg_temp_new_i32();
7080 TCGv_i32 fp1 = tcg_temp_new_i32();
7082 gen_load_fpr32(fp0, fs);
7083 gen_load_fpr32h(fp1, ft);
7084 gen_store_fpr32(fp1, fd);
7085 gen_store_fpr32h(fp0, fd);
7086 tcg_temp_free_i32(fp0);
7087 tcg_temp_free_i32(fp1);
7092 check_cp1_64bitmode(ctx);
7094 TCGv_i32 fp0 = tcg_temp_new_i32();
7095 TCGv_i32 fp1 = tcg_temp_new_i32();
7097 gen_load_fpr32h(fp0, fs);
7098 gen_load_fpr32(fp1, ft);
7099 gen_store_fpr32(fp1, fd);
7100 gen_store_fpr32h(fp0, fd);
7101 tcg_temp_free_i32(fp0);
7102 tcg_temp_free_i32(fp1);
7107 check_cp1_64bitmode(ctx);
7109 TCGv_i32 fp0 = tcg_temp_new_i32();
7110 TCGv_i32 fp1 = tcg_temp_new_i32();
7112 gen_load_fpr32h(fp0, fs);
7113 gen_load_fpr32h(fp1, ft);
7114 gen_store_fpr32(fp1, fd);
7115 gen_store_fpr32h(fp0, fd);
7116 tcg_temp_free_i32(fp0);
7117 tcg_temp_free_i32(fp1);
7137 check_cp1_64bitmode(ctx);
7139 TCGv_i64 fp0 = tcg_temp_new_i64();
7140 TCGv_i64 fp1 = tcg_temp_new_i64();
7142 gen_load_fpr64(ctx, fp0, fs);
7143 gen_load_fpr64(ctx, fp1, ft);
7144 if (ctx->opcode & (1 << 6)) {
7145 gen_cmpabs_ps(func-48, fp0, fp1, cc);
7146 opn = condnames_abs[func-48];
7148 gen_cmp_ps(func-48, fp0, fp1, cc);
7149 opn = condnames[func-48];
7151 tcg_temp_free_i64(fp0);
7152 tcg_temp_free_i64(fp1);
7157 generate_exception (ctx, EXCP_RI);
7162 MIPS_DEBUG("%s %s, %s, %s", opn, fregnames[fd], fregnames[fs], fregnames[ft]);
7165 MIPS_DEBUG("%s %s,%s", opn, fregnames[fs], fregnames[ft]);
7168 MIPS_DEBUG("%s %s,%s", opn, fregnames[fd], fregnames[fs]);
7173 /* Coprocessor 3 (FPU) */
7174 static void gen_flt3_ldst (DisasContext *ctx, uint32_t opc,
7175 int fd, int fs, int base, int index)
7177 const char *opn = "extended float load/store";
7179 TCGv t0 = tcg_temp_local_new();
7180 TCGv t1 = tcg_temp_local_new();
7183 gen_load_gpr(t0, index);
7184 } else if (index == 0) {
7185 gen_load_gpr(t0, base);
7187 gen_load_gpr(t0, index);
7188 gen_op_addr_add(ctx, t0, cpu_gpr[base]);
7190 /* Don't do NOP if destination is zero: we must perform the actual
7196 TCGv_i32 fp0 = tcg_temp_new_i32();
7198 tcg_gen_qemu_ld32s(t1, t0, ctx->mem_idx);
7199 tcg_gen_trunc_tl_i32(fp0, t1);
7200 gen_store_fpr32(fp0, fd);
7201 tcg_temp_free_i32(fp0);
7207 check_cp1_registers(ctx, fd);
7209 TCGv_i64 fp0 = tcg_temp_new_i64();
7211 tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx);
7212 gen_store_fpr64(ctx, fp0, fd);
7213 tcg_temp_free_i64(fp0);
7218 check_cp1_64bitmode(ctx);
7219 tcg_gen_andi_tl(t0, t0, ~0x7);
7221 TCGv_i64 fp0 = tcg_temp_new_i64();
7223 tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx);
7224 gen_store_fpr64(ctx, fp0, fd);
7225 tcg_temp_free_i64(fp0);
7232 TCGv_i32 fp0 = tcg_temp_new_i32();
7234 gen_load_fpr32(fp0, fs);
7235 tcg_gen_extu_i32_tl(t1, fp0);
7236 tcg_gen_qemu_st32(t1, t0, ctx->mem_idx);
7237 tcg_temp_free_i32(fp0);
7244 check_cp1_registers(ctx, fs);
7246 TCGv_i64 fp0 = tcg_temp_new_i64();
7248 gen_load_fpr64(ctx, fp0, fs);
7249 tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx);
7250 tcg_temp_free_i64(fp0);
7256 check_cp1_64bitmode(ctx);
7257 tcg_gen_andi_tl(t0, t0, ~0x7);
7259 TCGv_i64 fp0 = tcg_temp_new_i64();
7261 gen_load_fpr64(ctx, fp0, fs);
7262 tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx);
7263 tcg_temp_free_i64(fp0);
7270 generate_exception(ctx, EXCP_RI);
7277 MIPS_DEBUG("%s %s, %s(%s)", opn, fregnames[store ? fs : fd],
7278 regnames[index], regnames[base]);
7281 static void gen_flt3_arith (DisasContext *ctx, uint32_t opc,
7282 int fd, int fr, int fs, int ft)
7284 const char *opn = "flt3_arith";
7288 check_cp1_64bitmode(ctx);
7290 TCGv t0 = tcg_temp_local_new();
7291 TCGv_i32 fp0 = tcg_temp_local_new_i32();
7292 TCGv_i32 fph0 = tcg_temp_local_new_i32();
7293 TCGv_i32 fp1 = tcg_temp_local_new_i32();
7294 TCGv_i32 fph1 = tcg_temp_local_new_i32();
7295 int l1 = gen_new_label();
7296 int l2 = gen_new_label();
7298 gen_load_gpr(t0, fr);
7299 tcg_gen_andi_tl(t0, t0, 0x7);
7300 gen_load_fpr32(fp0, fs);
7301 gen_load_fpr32h(fph0, fs);
7302 gen_load_fpr32(fp1, ft);
7303 gen_load_fpr32h(fph1, ft);
7305 tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1);
7306 gen_store_fpr32(fp0, fd);
7307 gen_store_fpr32h(fph0, fd);
7310 tcg_gen_brcondi_tl(TCG_COND_NE, t0, 4, l2);
7312 #ifdef TARGET_WORDS_BIGENDIAN
7313 gen_store_fpr32(fph1, fd);
7314 gen_store_fpr32h(fp0, fd);
7316 gen_store_fpr32(fph0, fd);
7317 gen_store_fpr32h(fp1, fd);
7320 tcg_temp_free_i32(fp0);
7321 tcg_temp_free_i32(fph0);
7322 tcg_temp_free_i32(fp1);
7323 tcg_temp_free_i32(fph1);
7330 TCGv_i32 fp0 = tcg_temp_new_i32();
7331 TCGv_i32 fp1 = tcg_temp_new_i32();
7332 TCGv_i32 fp2 = tcg_temp_new_i32();
7334 gen_load_fpr32(fp0, fs);
7335 gen_load_fpr32(fp1, ft);
7336 gen_load_fpr32(fp2, fr);
7337 gen_helper_float_muladd_s(fp2, fp0, fp1, fp2);
7338 tcg_temp_free_i32(fp0);
7339 tcg_temp_free_i32(fp1);
7340 gen_store_fpr32(fp2, fd);
7341 tcg_temp_free_i32(fp2);
7347 check_cp1_registers(ctx, fd | fs | ft | fr);
7349 TCGv_i64 fp0 = tcg_temp_new_i64();
7350 TCGv_i64 fp1 = tcg_temp_new_i64();
7351 TCGv_i64 fp2 = tcg_temp_new_i64();
7353 gen_load_fpr64(ctx, fp0, fs);
7354 gen_load_fpr64(ctx, fp1, ft);
7355 gen_load_fpr64(ctx, fp2, fr);
7356 gen_helper_float_muladd_d(fp2, fp0, fp1, fp2);
7357 tcg_temp_free_i64(fp0);
7358 tcg_temp_free_i64(fp1);
7359 gen_store_fpr64(ctx, fp2, fd);
7360 tcg_temp_free_i64(fp2);
7365 check_cp1_64bitmode(ctx);
7367 TCGv_i64 fp0 = tcg_temp_new_i64();
7368 TCGv_i64 fp1 = tcg_temp_new_i64();
7369 TCGv_i64 fp2 = tcg_temp_new_i64();
7371 gen_load_fpr64(ctx, fp0, fs);
7372 gen_load_fpr64(ctx, fp1, ft);
7373 gen_load_fpr64(ctx, fp2, fr);
7374 gen_helper_float_muladd_ps(fp2, fp0, fp1, fp2);
7375 tcg_temp_free_i64(fp0);
7376 tcg_temp_free_i64(fp1);
7377 gen_store_fpr64(ctx, fp2, fd);
7378 tcg_temp_free_i64(fp2);
7385 TCGv_i32 fp0 = tcg_temp_new_i32();
7386 TCGv_i32 fp1 = tcg_temp_new_i32();
7387 TCGv_i32 fp2 = tcg_temp_new_i32();
7389 gen_load_fpr32(fp0, fs);
7390 gen_load_fpr32(fp1, ft);
7391 gen_load_fpr32(fp2, fr);
7392 gen_helper_float_mulsub_s(fp2, fp0, fp1, fp2);
7393 tcg_temp_free_i32(fp0);
7394 tcg_temp_free_i32(fp1);
7395 gen_store_fpr32(fp2, fd);
7396 tcg_temp_free_i32(fp2);
7402 check_cp1_registers(ctx, fd | fs | ft | fr);
7404 TCGv_i64 fp0 = tcg_temp_new_i64();
7405 TCGv_i64 fp1 = tcg_temp_new_i64();
7406 TCGv_i64 fp2 = tcg_temp_new_i64();
7408 gen_load_fpr64(ctx, fp0, fs);
7409 gen_load_fpr64(ctx, fp1, ft);
7410 gen_load_fpr64(ctx, fp2, fr);
7411 gen_helper_float_mulsub_d(fp2, fp0, fp1, fp2);
7412 tcg_temp_free_i64(fp0);
7413 tcg_temp_free_i64(fp1);
7414 gen_store_fpr64(ctx, fp2, fd);
7415 tcg_temp_free_i64(fp2);
7420 check_cp1_64bitmode(ctx);
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_mulsub_ps(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);
7440 TCGv_i32 fp0 = tcg_temp_new_i32();
7441 TCGv_i32 fp1 = tcg_temp_new_i32();
7442 TCGv_i32 fp2 = tcg_temp_new_i32();
7444 gen_load_fpr32(fp0, fs);
7445 gen_load_fpr32(fp1, ft);
7446 gen_load_fpr32(fp2, fr);
7447 gen_helper_float_nmuladd_s(fp2, fp0, fp1, fp2);
7448 tcg_temp_free_i32(fp0);
7449 tcg_temp_free_i32(fp1);
7450 gen_store_fpr32(fp2, fd);
7451 tcg_temp_free_i32(fp2);
7457 check_cp1_registers(ctx, fd | fs | ft | fr);
7459 TCGv_i64 fp0 = tcg_temp_new_i64();
7460 TCGv_i64 fp1 = tcg_temp_new_i64();
7461 TCGv_i64 fp2 = tcg_temp_new_i64();
7463 gen_load_fpr64(ctx, fp0, fs);
7464 gen_load_fpr64(ctx, fp1, ft);
7465 gen_load_fpr64(ctx, fp2, fr);
7466 gen_helper_float_nmuladd_d(fp2, fp0, fp1, fp2);
7467 tcg_temp_free_i64(fp0);
7468 tcg_temp_free_i64(fp1);
7469 gen_store_fpr64(ctx, fp2, fd);
7470 tcg_temp_free_i64(fp2);
7475 check_cp1_64bitmode(ctx);
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_nmuladd_ps(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);
7495 TCGv_i32 fp0 = tcg_temp_new_i32();
7496 TCGv_i32 fp1 = tcg_temp_new_i32();
7497 TCGv_i32 fp2 = tcg_temp_new_i32();
7499 gen_load_fpr32(fp0, fs);
7500 gen_load_fpr32(fp1, ft);
7501 gen_load_fpr32(fp2, fr);
7502 gen_helper_float_nmulsub_s(fp2, fp0, fp1, fp2);
7503 tcg_temp_free_i32(fp0);
7504 tcg_temp_free_i32(fp1);
7505 gen_store_fpr32(fp2, fd);
7506 tcg_temp_free_i32(fp2);
7512 check_cp1_registers(ctx, fd | fs | ft | fr);
7514 TCGv_i64 fp0 = tcg_temp_new_i64();
7515 TCGv_i64 fp1 = tcg_temp_new_i64();
7516 TCGv_i64 fp2 = tcg_temp_new_i64();
7518 gen_load_fpr64(ctx, fp0, fs);
7519 gen_load_fpr64(ctx, fp1, ft);
7520 gen_load_fpr64(ctx, fp2, fr);
7521 gen_helper_float_nmulsub_d(fp2, fp0, fp1, fp2);
7522 tcg_temp_free_i64(fp0);
7523 tcg_temp_free_i64(fp1);
7524 gen_store_fpr64(ctx, fp2, fd);
7525 tcg_temp_free_i64(fp2);
7530 check_cp1_64bitmode(ctx);
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_nmulsub_ps(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);
7549 generate_exception (ctx, EXCP_RI);
7552 MIPS_DEBUG("%s %s, %s, %s, %s", opn, fregnames[fd], fregnames[fr],
7553 fregnames[fs], fregnames[ft]);
7556 /* ISA extensions (ASEs) */
7557 /* MIPS16 extension to MIPS32 */
7558 /* SmartMIPS extension to MIPS32 */
7560 #if defined(TARGET_MIPS64)
7562 /* MDMX extension to MIPS64 */
7566 static void decode_opc (CPUState *env, DisasContext *ctx)
7570 uint32_t op, op1, op2;
7573 /* make sure instructions are on a word boundary */
7574 if (ctx->pc & 0x3) {
7575 env->CP0_BadVAddr = ctx->pc;
7576 generate_exception(ctx, EXCP_AdEL);
7580 /* Handle blikely not taken case */
7581 if ((ctx->hflags & MIPS_HFLAG_BMASK) == MIPS_HFLAG_BL) {
7582 int l1 = gen_new_label();
7584 MIPS_DEBUG("blikely condition (" TARGET_FMT_lx ")", ctx->pc + 4);
7585 tcg_gen_brcondi_i32(TCG_COND_NE, bcond, 0, l1);
7587 TCGv_i32 r_tmp = tcg_temp_new_i32();
7589 tcg_gen_movi_i32(r_tmp, ctx->hflags & ~MIPS_HFLAG_BMASK);
7590 tcg_gen_st_i32(r_tmp, cpu_env, offsetof(CPUState, hflags));
7591 tcg_temp_free_i32(r_tmp);
7593 gen_goto_tb(ctx, 1, ctx->pc + 4);
7596 op = MASK_OP_MAJOR(ctx->opcode);
7597 rs = (ctx->opcode >> 21) & 0x1f;
7598 rt = (ctx->opcode >> 16) & 0x1f;
7599 rd = (ctx->opcode >> 11) & 0x1f;
7600 sa = (ctx->opcode >> 6) & 0x1f;
7601 imm = (int16_t)ctx->opcode;
7604 op1 = MASK_SPECIAL(ctx->opcode);
7606 case OPC_SLL: /* Arithmetic with immediate */
7607 case OPC_SRL ... OPC_SRA:
7608 gen_arith_imm(env, ctx, op1, rd, rt, sa);
7610 case OPC_MOVZ ... OPC_MOVN:
7611 check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32);
7612 case OPC_SLLV: /* Arithmetic */
7613 case OPC_SRLV ... OPC_SRAV:
7614 case OPC_ADD ... OPC_NOR:
7615 case OPC_SLT ... OPC_SLTU:
7616 gen_arith(env, ctx, op1, rd, rs, rt);
7618 case OPC_MULT ... OPC_DIVU:
7620 check_insn(env, ctx, INSN_VR54XX);
7621 op1 = MASK_MUL_VR54XX(ctx->opcode);
7622 gen_mul_vr54xx(ctx, op1, rd, rs, rt);
7624 gen_muldiv(ctx, op1, rs, rt);
7626 case OPC_JR ... OPC_JALR:
7627 gen_compute_branch(ctx, op1, rs, rd, sa);
7629 case OPC_TGE ... OPC_TEQ: /* Traps */
7631 gen_trap(ctx, op1, rs, rt, -1);
7633 case OPC_MFHI: /* Move from HI/LO */
7635 gen_HILO(ctx, op1, rd);
7638 case OPC_MTLO: /* Move to HI/LO */
7639 gen_HILO(ctx, op1, rs);
7641 case OPC_PMON: /* Pmon entry point, also R4010 selsl */
7642 #ifdef MIPS_STRICT_STANDARD
7643 MIPS_INVAL("PMON / selsl");
7644 generate_exception(ctx, EXCP_RI);
7646 gen_helper_0i(pmon, sa);
7650 generate_exception(ctx, EXCP_SYSCALL);
7653 generate_exception(ctx, EXCP_BREAK);
7656 #ifdef MIPS_STRICT_STANDARD
7658 generate_exception(ctx, EXCP_RI);
7660 /* Implemented as RI exception for now. */
7661 MIPS_INVAL("spim (unofficial)");
7662 generate_exception(ctx, EXCP_RI);
7670 check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32);
7671 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
7672 save_cpu_state(ctx, 1);
7673 check_cp1_enabled(ctx);
7674 gen_movci(ctx, rd, rs, (ctx->opcode >> 18) & 0x7,
7675 (ctx->opcode >> 16) & 1);
7677 generate_exception_err(ctx, EXCP_CpU, 1);
7681 #if defined(TARGET_MIPS64)
7682 /* MIPS64 specific opcodes */
7684 case OPC_DSRL ... OPC_DSRA:
7686 case OPC_DSRL32 ... OPC_DSRA32:
7687 check_insn(env, ctx, ISA_MIPS3);
7689 gen_arith_imm(env, ctx, op1, rd, rt, sa);
7692 case OPC_DSRLV ... OPC_DSRAV:
7693 case OPC_DADD ... OPC_DSUBU:
7694 check_insn(env, ctx, ISA_MIPS3);
7696 gen_arith(env, ctx, op1, rd, rs, rt);
7698 case OPC_DMULT ... OPC_DDIVU:
7699 check_insn(env, ctx, ISA_MIPS3);
7701 gen_muldiv(ctx, op1, rs, rt);
7704 default: /* Invalid */
7705 MIPS_INVAL("special");
7706 generate_exception(ctx, EXCP_RI);
7711 op1 = MASK_SPECIAL2(ctx->opcode);
7713 case OPC_MADD ... OPC_MADDU: /* Multiply and add/sub */
7714 case OPC_MSUB ... OPC_MSUBU:
7715 check_insn(env, ctx, ISA_MIPS32);
7716 gen_muldiv(ctx, op1, rs, rt);
7719 gen_arith(env, ctx, op1, rd, rs, rt);
7721 case OPC_CLZ ... OPC_CLO:
7722 check_insn(env, ctx, ISA_MIPS32);
7723 gen_cl(ctx, op1, rd, rs);
7726 /* XXX: not clear which exception should be raised
7727 * when in debug mode...
7729 check_insn(env, ctx, ISA_MIPS32);
7730 if (!(ctx->hflags & MIPS_HFLAG_DM)) {
7731 generate_exception(ctx, EXCP_DBp);
7733 generate_exception(ctx, EXCP_DBp);
7737 #if defined(TARGET_MIPS64)
7738 case OPC_DCLZ ... OPC_DCLO:
7739 check_insn(env, ctx, ISA_MIPS64);
7741 gen_cl(ctx, op1, rd, rs);
7744 default: /* Invalid */
7745 MIPS_INVAL("special2");
7746 generate_exception(ctx, EXCP_RI);
7751 op1 = MASK_SPECIAL3(ctx->opcode);
7755 check_insn(env, ctx, ISA_MIPS32R2);
7756 gen_bitops(ctx, op1, rt, rs, sa, rd);
7759 check_insn(env, ctx, ISA_MIPS32R2);
7760 op2 = MASK_BSHFL(ctx->opcode);
7761 gen_bshfl(ctx, op2, rt, rd);
7764 check_insn(env, ctx, ISA_MIPS32R2);
7766 TCGv t0 = tcg_temp_local_new();
7770 save_cpu_state(ctx, 1);
7771 gen_helper_rdhwr_cpunum(t0);
7774 save_cpu_state(ctx, 1);
7775 gen_helper_rdhwr_synci_step(t0);
7778 save_cpu_state(ctx, 1);
7779 gen_helper_rdhwr_cc(t0);
7782 save_cpu_state(ctx, 1);
7783 gen_helper_rdhwr_ccres(t0);
7786 #if defined(CONFIG_USER_ONLY)
7787 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, tls_value));
7790 /* XXX: Some CPUs implement this in hardware.
7791 Not supported yet. */
7793 default: /* Invalid */
7794 MIPS_INVAL("rdhwr");
7795 generate_exception(ctx, EXCP_RI);
7798 gen_store_gpr(t0, rt);
7803 check_insn(env, ctx, ASE_MT);
7805 TCGv t0 = tcg_temp_local_new();
7806 TCGv t1 = tcg_temp_local_new();
7808 gen_load_gpr(t0, rt);
7809 gen_load_gpr(t1, rs);
7810 gen_helper_fork(t0, t1);
7816 check_insn(env, ctx, ASE_MT);
7818 TCGv t0 = tcg_temp_local_new();
7820 gen_load_gpr(t0, rs);
7821 gen_helper_yield(t0, t0);
7822 gen_store_gpr(t0, rd);
7826 #if defined(TARGET_MIPS64)
7827 case OPC_DEXTM ... OPC_DEXT:
7828 case OPC_DINSM ... OPC_DINS:
7829 check_insn(env, ctx, ISA_MIPS64R2);
7831 gen_bitops(ctx, op1, rt, rs, sa, rd);
7834 check_insn(env, ctx, ISA_MIPS64R2);
7836 op2 = MASK_DBSHFL(ctx->opcode);
7837 gen_bshfl(ctx, op2, rt, rd);
7840 default: /* Invalid */
7841 MIPS_INVAL("special3");
7842 generate_exception(ctx, EXCP_RI);
7847 op1 = MASK_REGIMM(ctx->opcode);
7849 case OPC_BLTZ ... OPC_BGEZL: /* REGIMM branches */
7850 case OPC_BLTZAL ... OPC_BGEZALL:
7851 gen_compute_branch(ctx, op1, rs, -1, imm << 2);
7853 case OPC_TGEI ... OPC_TEQI: /* REGIMM traps */
7855 gen_trap(ctx, op1, rs, -1, imm);
7858 check_insn(env, ctx, ISA_MIPS32R2);
7861 default: /* Invalid */
7862 MIPS_INVAL("regimm");
7863 generate_exception(ctx, EXCP_RI);
7868 check_cp0_enabled(ctx);
7869 op1 = MASK_CP0(ctx->opcode);
7875 #if defined(TARGET_MIPS64)
7879 #ifndef CONFIG_USER_ONLY
7880 gen_cp0(env, ctx, op1, rt, rd);
7881 #endif /* !CONFIG_USER_ONLY */
7883 case OPC_C0_FIRST ... OPC_C0_LAST:
7884 #ifndef CONFIG_USER_ONLY
7885 gen_cp0(env, ctx, MASK_C0(ctx->opcode), rt, rd);
7886 #endif /* !CONFIG_USER_ONLY */
7889 #ifndef CONFIG_USER_ONLY
7891 TCGv t0 = tcg_temp_local_new();
7893 op2 = MASK_MFMC0(ctx->opcode);
7896 check_insn(env, ctx, ASE_MT);
7897 gen_helper_dmt(t0, t0);
7900 check_insn(env, ctx, ASE_MT);
7901 gen_helper_emt(t0, t0);
7904 check_insn(env, ctx, ASE_MT);
7905 gen_helper_dvpe(t0, t0);
7908 check_insn(env, ctx, ASE_MT);
7909 gen_helper_evpe(t0, t0);
7912 check_insn(env, ctx, ISA_MIPS32R2);
7913 save_cpu_state(ctx, 1);
7915 /* Stop translation as we may have switched the execution mode */
7916 ctx->bstate = BS_STOP;
7919 check_insn(env, ctx, ISA_MIPS32R2);
7920 save_cpu_state(ctx, 1);
7922 /* Stop translation as we may have switched the execution mode */
7923 ctx->bstate = BS_STOP;
7925 default: /* Invalid */
7926 MIPS_INVAL("mfmc0");
7927 generate_exception(ctx, EXCP_RI);
7930 gen_store_gpr(t0, rt);
7933 #endif /* !CONFIG_USER_ONLY */
7936 check_insn(env, ctx, ISA_MIPS32R2);
7937 gen_load_srsgpr(rt, rd);
7940 check_insn(env, ctx, ISA_MIPS32R2);
7941 gen_store_srsgpr(rt, rd);
7945 generate_exception(ctx, EXCP_RI);
7949 case OPC_ADDI ... OPC_LUI: /* Arithmetic with immediate opcode */
7950 gen_arith_imm(env, ctx, op, rt, rs, imm);
7952 case OPC_J ... OPC_JAL: /* Jump */
7953 offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2;
7954 gen_compute_branch(ctx, op, rs, rt, offset);
7956 case OPC_BEQ ... OPC_BGTZ: /* Branch */
7957 case OPC_BEQL ... OPC_BGTZL:
7958 gen_compute_branch(ctx, op, rs, rt, imm << 2);
7960 case OPC_LB ... OPC_LWR: /* Load and stores */
7961 case OPC_SB ... OPC_SW:
7965 gen_ldst(ctx, op, rt, rs, imm);
7968 check_insn(env, ctx, ISA_MIPS3 | ISA_MIPS32);
7972 check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32);
7976 /* Floating point (COP1). */
7981 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
7982 save_cpu_state(ctx, 1);
7983 check_cp1_enabled(ctx);
7984 gen_flt_ldst(ctx, op, rt, rs, imm);
7986 generate_exception_err(ctx, EXCP_CpU, 1);
7991 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
7992 save_cpu_state(ctx, 1);
7993 check_cp1_enabled(ctx);
7994 op1 = MASK_CP1(ctx->opcode);
7998 check_insn(env, ctx, ISA_MIPS32R2);
8003 gen_cp1(ctx, op1, rt, rd);
8005 #if defined(TARGET_MIPS64)
8008 check_insn(env, ctx, ISA_MIPS3);
8009 gen_cp1(ctx, op1, rt, rd);
8015 check_insn(env, ctx, ASE_MIPS3D);
8018 gen_compute_branch1(env, ctx, MASK_BC1(ctx->opcode),
8019 (rt >> 2) & 0x7, imm << 2);
8026 gen_farith(ctx, MASK_CP1_FUNC(ctx->opcode), rt, rd, sa,
8031 generate_exception (ctx, EXCP_RI);
8035 generate_exception_err(ctx, EXCP_CpU, 1);
8045 /* COP2: Not implemented. */
8046 generate_exception_err(ctx, EXCP_CpU, 2);
8050 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
8051 save_cpu_state(ctx, 1);
8052 check_cp1_enabled(ctx);
8053 op1 = MASK_CP3(ctx->opcode);
8061 gen_flt3_ldst(ctx, op1, sa, rd, rs, rt);
8079 gen_flt3_arith(ctx, op1, sa, rs, rd, rt);
8083 generate_exception (ctx, EXCP_RI);
8087 generate_exception_err(ctx, EXCP_CpU, 1);
8091 #if defined(TARGET_MIPS64)
8092 /* MIPS64 opcodes */
8094 case OPC_LDL ... OPC_LDR:
8095 case OPC_SDL ... OPC_SDR:
8100 check_insn(env, ctx, ISA_MIPS3);
8102 gen_ldst(ctx, op, rt, rs, imm);
8104 case OPC_DADDI ... OPC_DADDIU:
8105 check_insn(env, ctx, ISA_MIPS3);
8107 gen_arith_imm(env, ctx, op, rt, rs, imm);
8111 check_insn(env, ctx, ASE_MIPS16);
8112 /* MIPS16: Not implemented. */
8114 check_insn(env, ctx, ASE_MDMX);
8115 /* MDMX: Not implemented. */
8116 default: /* Invalid */
8117 MIPS_INVAL("major opcode");
8118 generate_exception(ctx, EXCP_RI);
8121 if (ctx->hflags & MIPS_HFLAG_BMASK) {
8122 int hflags = ctx->hflags & MIPS_HFLAG_BMASK;
8123 /* Branches completion */
8124 ctx->hflags &= ~MIPS_HFLAG_BMASK;
8125 ctx->bstate = BS_BRANCH;
8126 save_cpu_state(ctx, 0);
8127 /* FIXME: Need to clear can_do_io. */
8130 /* unconditional branch */
8131 MIPS_DEBUG("unconditional branch");
8132 gen_goto_tb(ctx, 0, ctx->btarget);
8135 /* blikely taken case */
8136 MIPS_DEBUG("blikely branch taken");
8137 gen_goto_tb(ctx, 0, ctx->btarget);
8140 /* Conditional branch */
8141 MIPS_DEBUG("conditional branch");
8143 int l1 = gen_new_label();
8145 tcg_gen_brcondi_i32(TCG_COND_NE, bcond, 0, l1);
8146 gen_goto_tb(ctx, 1, ctx->pc + 4);
8148 gen_goto_tb(ctx, 0, ctx->btarget);
8152 /* unconditional branch to register */
8153 MIPS_DEBUG("branch to register");
8154 tcg_gen_mov_tl(cpu_PC, btarget);
8158 MIPS_DEBUG("unknown branch");
8165 gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb,
8169 target_ulong pc_start;
8170 uint16_t *gen_opc_end;
8177 qemu_log("search pc %d\n", search_pc);
8180 /* Leave some spare opc slots for branch handling. */
8181 gen_opc_end = gen_opc_buf + OPC_MAX_SIZE - 16;
8185 ctx.bstate = BS_NONE;
8186 /* Restore delay slot state from the tb context. */
8187 ctx.hflags = (uint32_t)tb->flags; /* FIXME: maybe use 64 bits here? */
8188 restore_cpu_state(env, &ctx);
8189 #ifdef CONFIG_USER_ONLY
8190 ctx.mem_idx = MIPS_HFLAG_UM;
8192 ctx.mem_idx = ctx.hflags & MIPS_HFLAG_KSU;
8195 max_insns = tb->cflags & CF_COUNT_MASK;
8197 max_insns = CF_COUNT_MASK;
8199 qemu_log_mask(CPU_LOG_TB_CPU, "------------------------------------------------\n");
8200 /* FIXME: This may print out stale hflags from env... */
8201 log_cpu_state_mask(CPU_LOG_TB_CPU, env, 0);
8203 LOG_DISAS("\ntb %p idx %d hflags %04x\n", tb, ctx.mem_idx, ctx.hflags);
8205 while (ctx.bstate == BS_NONE) {
8206 if (unlikely(!TAILQ_EMPTY(&env->breakpoints))) {
8207 TAILQ_FOREACH(bp, &env->breakpoints, entry) {
8208 if (bp->pc == ctx.pc) {
8209 save_cpu_state(&ctx, 1);
8210 ctx.bstate = BS_BRANCH;
8211 gen_helper_0i(raise_exception, EXCP_DEBUG);
8212 /* Include the breakpoint location or the tb won't
8213 * be flushed when it must be. */
8215 goto done_generating;
8221 j = gen_opc_ptr - gen_opc_buf;
8225 gen_opc_instr_start[lj++] = 0;
8227 gen_opc_pc[lj] = ctx.pc;
8228 gen_opc_hflags[lj] = ctx.hflags & MIPS_HFLAG_BMASK;
8229 gen_opc_instr_start[lj] = 1;
8230 gen_opc_icount[lj] = num_insns;
8232 if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO))
8234 ctx.opcode = ldl_code(ctx.pc);
8235 decode_opc(env, &ctx);
8239 if (env->singlestep_enabled)
8242 if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0)
8245 if (gen_opc_ptr >= gen_opc_end)
8248 if (num_insns >= max_insns)
8250 #if defined (MIPS_SINGLE_STEP)
8254 if (tb->cflags & CF_LAST_IO)
8256 if (env->singlestep_enabled) {
8257 save_cpu_state(&ctx, ctx.bstate == BS_NONE);
8258 gen_helper_0i(raise_exception, EXCP_DEBUG);
8260 switch (ctx.bstate) {
8262 gen_helper_interrupt_restart();
8263 gen_goto_tb(&ctx, 0, ctx.pc);
8266 save_cpu_state(&ctx, 0);
8267 gen_goto_tb(&ctx, 0, ctx.pc);
8270 gen_helper_interrupt_restart();
8279 gen_icount_end(tb, num_insns);
8280 *gen_opc_ptr = INDEX_op_end;
8282 j = gen_opc_ptr - gen_opc_buf;
8285 gen_opc_instr_start[lj++] = 0;
8287 tb->size = ctx.pc - pc_start;
8288 tb->icount = num_insns;
8292 if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
8293 qemu_log("IN: %s\n", lookup_symbol(pc_start));
8294 log_target_disas(pc_start, ctx.pc - pc_start, 0);
8297 qemu_log_mask(CPU_LOG_TB_CPU, "---------------- %d %08x\n", ctx.bstate, ctx.hflags);
8301 void gen_intermediate_code (CPUState *env, struct TranslationBlock *tb)
8303 gen_intermediate_code_internal(env, tb, 0);
8306 void gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb)
8308 gen_intermediate_code_internal(env, tb, 1);
8311 static void fpu_dump_state(CPUState *env, FILE *f,
8312 int (*fpu_fprintf)(FILE *f, const char *fmt, ...),
8316 int is_fpu64 = !!(env->hflags & MIPS_HFLAG_F64);
8318 #define printfpr(fp) \
8321 fpu_fprintf(f, "w:%08x d:%016lx fd:%13g fs:%13g psu: %13g\n", \
8322 (fp)->w[FP_ENDIAN_IDX], (fp)->d, (fp)->fd, \
8323 (fp)->fs[FP_ENDIAN_IDX], (fp)->fs[!FP_ENDIAN_IDX]); \
8326 tmp.w[FP_ENDIAN_IDX] = (fp)->w[FP_ENDIAN_IDX]; \
8327 tmp.w[!FP_ENDIAN_IDX] = ((fp) + 1)->w[FP_ENDIAN_IDX]; \
8328 fpu_fprintf(f, "w:%08x d:%016lx fd:%13g fs:%13g psu:%13g\n", \
8329 tmp.w[FP_ENDIAN_IDX], tmp.d, tmp.fd, \
8330 tmp.fs[FP_ENDIAN_IDX], tmp.fs[!FP_ENDIAN_IDX]); \
8335 fpu_fprintf(f, "CP1 FCR0 0x%08x FCR31 0x%08x SR.FR %d fp_status 0x%08x(0x%02x)\n",
8336 env->active_fpu.fcr0, env->active_fpu.fcr31, is_fpu64, env->active_fpu.fp_status,
8337 get_float_exception_flags(&env->active_fpu.fp_status));
8338 for (i = 0; i < 32; (is_fpu64) ? i++ : (i += 2)) {
8339 fpu_fprintf(f, "%3s: ", fregnames[i]);
8340 printfpr(&env->active_fpu.fpr[i]);
8346 #if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
8347 /* Debug help: The architecture requires 32bit code to maintain proper
8348 sign-extended values on 64bit machines. */
8350 #define SIGN_EXT_P(val) ((((val) & ~0x7fffffff) == 0) || (((val) & ~0x7fffffff) == ~0x7fffffff))
8353 cpu_mips_check_sign_extensions (CPUState *env, FILE *f,
8354 int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
8359 if (!SIGN_EXT_P(env->active_tc.PC))
8360 cpu_fprintf(f, "BROKEN: pc=0x" TARGET_FMT_lx "\n", env->active_tc.PC);
8361 if (!SIGN_EXT_P(env->active_tc.HI[0]))
8362 cpu_fprintf(f, "BROKEN: HI=0x" TARGET_FMT_lx "\n", env->active_tc.HI[0]);
8363 if (!SIGN_EXT_P(env->active_tc.LO[0]))
8364 cpu_fprintf(f, "BROKEN: LO=0x" TARGET_FMT_lx "\n", env->active_tc.LO[0]);
8365 if (!SIGN_EXT_P(env->btarget))
8366 cpu_fprintf(f, "BROKEN: btarget=0x" TARGET_FMT_lx "\n", env->btarget);
8368 for (i = 0; i < 32; i++) {
8369 if (!SIGN_EXT_P(env->active_tc.gpr[i]))
8370 cpu_fprintf(f, "BROKEN: %s=0x" TARGET_FMT_lx "\n", regnames[i], env->active_tc.gpr[i]);
8373 if (!SIGN_EXT_P(env->CP0_EPC))
8374 cpu_fprintf(f, "BROKEN: EPC=0x" TARGET_FMT_lx "\n", env->CP0_EPC);
8375 if (!SIGN_EXT_P(env->CP0_LLAddr))
8376 cpu_fprintf(f, "BROKEN: LLAddr=0x" TARGET_FMT_lx "\n", env->CP0_LLAddr);
8380 void cpu_dump_state (CPUState *env, FILE *f,
8381 int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
8386 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",
8387 env->active_tc.PC, env->active_tc.HI[0], env->active_tc.LO[0],
8388 env->hflags, env->btarget, env->bcond);
8389 for (i = 0; i < 32; i++) {
8391 cpu_fprintf(f, "GPR%02d:", i);
8392 cpu_fprintf(f, " %s " TARGET_FMT_lx, regnames[i], env->active_tc.gpr[i]);
8394 cpu_fprintf(f, "\n");
8397 cpu_fprintf(f, "CP0 Status 0x%08x Cause 0x%08x EPC 0x" TARGET_FMT_lx "\n",
8398 env->CP0_Status, env->CP0_Cause, env->CP0_EPC);
8399 cpu_fprintf(f, " Config0 0x%08x Config1 0x%08x LLAddr 0x" TARGET_FMT_lx "\n",
8400 env->CP0_Config0, env->CP0_Config1, env->CP0_LLAddr);
8401 if (env->hflags & MIPS_HFLAG_FPU)
8402 fpu_dump_state(env, f, cpu_fprintf, flags);
8403 #if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
8404 cpu_mips_check_sign_extensions(env, f, cpu_fprintf, flags);
8408 static void mips_tcg_init(void)
8413 /* Initialize various static tables. */
8417 cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
8418 for (i = 0; i < 32; i++)
8419 cpu_gpr[i] = tcg_global_mem_new(TCG_AREG0,
8420 offsetof(CPUState, active_tc.gpr[i]),
8422 cpu_PC = tcg_global_mem_new(TCG_AREG0,
8423 offsetof(CPUState, active_tc.PC), "PC");
8424 for (i = 0; i < MIPS_DSP_ACC; i++) {
8425 cpu_HI[i] = tcg_global_mem_new(TCG_AREG0,
8426 offsetof(CPUState, active_tc.HI[i]),
8428 cpu_LO[i] = tcg_global_mem_new(TCG_AREG0,
8429 offsetof(CPUState, active_tc.LO[i]),
8431 cpu_ACX[i] = tcg_global_mem_new(TCG_AREG0,
8432 offsetof(CPUState, active_tc.ACX[i]),
8435 cpu_dspctrl = tcg_global_mem_new(TCG_AREG0,
8436 offsetof(CPUState, active_tc.DSPControl),
8438 bcond = tcg_global_mem_new_i32(TCG_AREG0,
8439 offsetof(CPUState, bcond), "bcond");
8440 btarget = tcg_global_mem_new(TCG_AREG0,
8441 offsetof(CPUState, btarget), "btarget");
8442 for (i = 0; i < 32; i++)
8443 fpu_fpr32[i] = tcg_global_mem_new_i32(TCG_AREG0,
8444 offsetof(CPUState, active_fpu.fpr[i].w[FP_ENDIAN_IDX]),
8446 for (i = 0; i < 32; i++)
8447 fpu_fpr64[i] = tcg_global_mem_new_i64(TCG_AREG0,
8448 offsetof(CPUState, active_fpu.fpr[i]),
8450 for (i = 0; i < 32; i++)
8451 fpu_fpr32h[i] = tcg_global_mem_new_i32(TCG_AREG0,
8452 offsetof(CPUState, active_fpu.fpr[i].w[!FP_ENDIAN_IDX]),
8454 fpu_fcr0 = tcg_global_mem_new_i32(TCG_AREG0,
8455 offsetof(CPUState, active_fpu.fcr0),
8457 fpu_fcr31 = tcg_global_mem_new_i32(TCG_AREG0,
8458 offsetof(CPUState, active_fpu.fcr31),
8461 /* register helpers */
8462 #define GEN_HELPER 2
8468 #include "translate_init.c"
8470 CPUMIPSState *cpu_mips_init (const char *cpu_model)
8473 const mips_def_t *def;
8475 def = cpu_mips_find_by_name(cpu_model);
8478 env = qemu_mallocz(sizeof(CPUMIPSState));
8479 env->cpu_model = def;
8482 env->cpu_model_str = cpu_model;
8488 void cpu_reset (CPUMIPSState *env)
8490 if (qemu_loglevel_mask(CPU_LOG_RESET)) {
8491 qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
8492 log_cpu_state(env, 0);
8495 memset(env, 0, offsetof(CPUMIPSState, breakpoints));
8500 #if defined(CONFIG_USER_ONLY)
8501 env->hflags = MIPS_HFLAG_UM;
8503 if (env->hflags & MIPS_HFLAG_BMASK) {
8504 /* If the exception was raised from a delay slot,
8505 come back to the jump. */
8506 env->CP0_ErrorEPC = env->active_tc.PC - 4;
8508 env->CP0_ErrorEPC = env->active_tc.PC;
8510 env->active_tc.PC = (int32_t)0xBFC00000;
8512 /* SMP not implemented */
8513 env->CP0_EBase = 0x80000000;
8514 env->CP0_Status = (1 << CP0St_BEV) | (1 << CP0St_ERL);
8515 /* vectored interrupts not implemented, timer on int 7,
8516 no performance counters. */
8517 env->CP0_IntCtl = 0xe0000000;
8521 for (i = 0; i < 7; i++) {
8522 env->CP0_WatchLo[i] = 0;
8523 env->CP0_WatchHi[i] = 0x80000000;
8525 env->CP0_WatchLo[7] = 0;
8526 env->CP0_WatchHi[7] = 0;
8528 /* Count register increments in debug mode, EJTAG version 1 */
8529 env->CP0_Debug = (1 << CP0DB_CNT) | (0x1 << CP0DB_VER);
8530 env->hflags = MIPS_HFLAG_CP0;
8532 env->exception_index = EXCP_NONE;
8533 cpu_mips_register(env, env->cpu_model);
8536 void gen_pc_load(CPUState *env, TranslationBlock *tb,
8537 unsigned long searched_pc, int pc_pos, void *puc)
8539 env->active_tc.PC = gen_opc_pc[pc_pos];
8540 env->hflags &= ~MIPS_HFLAG_BMASK;
8541 env->hflags |= gen_opc_hflags[pc_pos];