4 * Copyright (c) 2005 Samuel Tardieu
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #ifndef CONFIG_USER_ONLY
26 #define MMUSUFFIX _mmu
29 #include "softmmu_template.h"
32 #include "softmmu_template.h"
35 #include "softmmu_template.h"
38 #include "softmmu_template.h"
40 void tlb_fill(target_ulong addr, int is_write, int mmu_idx, void *retaddr)
47 /* XXX: hack to restore env in all cases, even if not called from
51 ret = cpu_sh4_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
54 /* now we have a real cpu fault */
55 pc = (unsigned long) retaddr;
58 /* the PC is inside the translated code. It means that we have
59 a virtual CPU fault */
60 cpu_restore_state(tb, env, pc, NULL);
70 void helper_ldtlb(void)
72 #ifdef CONFIG_USER_ONLY
80 void helper_raise_illegal_instruction(void)
82 env->exception_index = 0x180;
86 void helper_raise_slot_illegal_instruction(void)
88 env->exception_index = 0x1a0;
92 void helper_debug(void)
94 env->exception_index = EXCP_DEBUG;
98 void helper_sleep(uint32_t next_pc)
101 env->exception_index = EXCP_HLT;
106 void helper_trapa(uint32_t tra)
109 env->exception_index = 0x160;
113 uint32_t helper_addc(uint32_t arg0, uint32_t arg1)
119 arg1 = tmp1 + (env->sr & 1);
129 uint32_t helper_addv(uint32_t arg0, uint32_t arg1)
131 uint32_t dest, src, ans;
133 if ((int32_t) arg1 >= 0)
137 if ((int32_t) arg0 >= 0)
143 if ((int32_t) arg1 >= 0)
148 if (src == 0 || src == 2) {
158 #define T (env->sr & SR_T)
159 #define Q (env->sr & SR_Q ? 1 : 0)
160 #define M (env->sr & SR_M ? 1 : 0)
161 #define SETT env->sr |= SR_T
162 #define CLRT env->sr &= ~SR_T
163 #define SETQ env->sr |= SR_Q
164 #define CLRQ env->sr &= ~SR_Q
165 #define SETM env->sr |= SR_M
166 #define CLRM env->sr &= ~SR_M
168 uint32_t helper_div1(uint32_t arg0, uint32_t arg1)
171 uint8_t old_q, tmp1 = 0xff;
173 //printf("div1 arg0=0x%08x arg1=0x%08x M=%d Q=%d T=%d\n", arg0, arg1, M, Q, T);
175 if ((0x80000000 & arg1) != 0)
272 //printf("Output: arg1=0x%08x M=%d Q=%d T=%d\n", arg1, M, Q, T);
276 void helper_macl(uint32_t arg0, uint32_t arg1)
280 res = ((uint64_t) env->mach << 32) | env->macl;
281 res += (int64_t) (int32_t) arg0 *(int64_t) (int32_t) arg1;
282 env->mach = (res >> 32) & 0xffffffff;
283 env->macl = res & 0xffffffff;
284 if (env->sr & SR_S) {
286 env->mach |= 0xffff0000;
288 env->mach &= 0x00007fff;
292 void helper_macw(uint32_t arg0, uint32_t arg1)
296 res = ((uint64_t) env->mach << 32) | env->macl;
297 res += (int64_t) (int16_t) arg0 *(int64_t) (int16_t) arg1;
298 env->mach = (res >> 32) & 0xffffffff;
299 env->macl = res & 0xffffffff;
300 if (env->sr & SR_S) {
301 if (res < -0x80000000) {
303 env->macl = 0x80000000;
304 } else if (res > 0x000000007fffffff) {
306 env->macl = 0x7fffffff;
311 uint32_t helper_negc(uint32_t arg)
316 arg = temp - (env->sr & SR_T);
326 uint32_t helper_subc(uint32_t arg0, uint32_t arg1)
332 arg1 = tmp1 - (env->sr & SR_T);
342 uint32_t helper_subv(uint32_t arg0, uint32_t arg1)
344 int32_t dest, src, ans;
346 if ((int32_t) arg1 >= 0)
350 if ((int32_t) arg0 >= 0)
356 if ((int32_t) arg1 >= 0)
371 static inline void set_t(void)
376 static inline void clr_t(void)
381 void helper_ld_fpscr(uint32_t val)
383 env->fpscr = val & 0x003fffff;
385 set_float_rounding_mode(float_round_to_zero, &env->fp_status);
387 set_float_rounding_mode(float_round_nearest_even, &env->fp_status);
390 uint32_t helper_fabs_FT(uint32_t t0)
394 f.f = float32_abs(f.f);
398 uint64_t helper_fabs_DT(uint64_t t0)
402 d.d = float64_abs(d.d);
406 uint32_t helper_fadd_FT(uint32_t t0, uint32_t t1)
411 f0.f = float32_add(f0.f, f1.f, &env->fp_status);
415 uint64_t helper_fadd_DT(uint64_t t0, uint64_t t1)
420 d0.d = float64_add(d0.d, d1.d, &env->fp_status);
424 void helper_fcmp_eq_FT(uint32_t t0, uint32_t t1)
430 if (float32_compare(f0.f, f1.f, &env->fp_status) == 0)
436 void helper_fcmp_eq_DT(uint64_t t0, uint64_t t1)
442 if (float64_compare(d0.d, d1.d, &env->fp_status) == 0)
448 void helper_fcmp_gt_FT(uint32_t t0, uint32_t t1)
454 if (float32_compare(f0.f, f1.f, &env->fp_status) == 1)
460 void helper_fcmp_gt_DT(uint64_t t0, uint64_t t1)
466 if (float64_compare(d0.d, d1.d, &env->fp_status) == 1)
472 uint64_t helper_fcnvsd_FT_DT(uint32_t t0)
477 d.d = float32_to_float64(f.f, &env->fp_status);
481 uint32_t helper_fcnvds_DT_FT(uint64_t t0)
486 f.f = float64_to_float32(d.d, &env->fp_status);
490 uint32_t helper_fdiv_FT(uint32_t t0, uint32_t t1)
495 f0.f = float32_div(f0.f, f1.f, &env->fp_status);
499 uint64_t helper_fdiv_DT(uint64_t t0, uint64_t t1)
504 d0.d = float64_div(d0.d, d1.d, &env->fp_status);
508 uint32_t helper_float_FT(uint32_t t0)
511 f.f = int32_to_float32(t0, &env->fp_status);
515 uint64_t helper_float_DT(uint32_t t0)
518 d.d = int32_to_float64(t0, &env->fp_status);
522 uint32_t helper_fmul_FT(uint32_t t0, uint32_t t1)
527 f0.f = float32_mul(f0.f, f1.f, &env->fp_status);
531 uint64_t helper_fmul_DT(uint64_t t0, uint64_t t1)
536 d0.d = float64_mul(d0.d, d1.d, &env->fp_status);
540 uint32_t helper_fneg_T(uint32_t t0)
544 f.f = float32_chs(f.f);
548 uint32_t helper_fsqrt_FT(uint32_t t0)
552 f.f = float32_sqrt(f.f, &env->fp_status);
556 uint64_t helper_fsqrt_DT(uint64_t t0)
560 d.d = float64_sqrt(d.d, &env->fp_status);
564 uint32_t helper_fsub_FT(uint32_t t0, uint32_t t1)
569 f0.f = float32_sub(f0.f, f1.f, &env->fp_status);
573 uint64_t helper_fsub_DT(uint64_t t0, uint64_t t1)
578 d0.d = float64_sub(d0.d, d1.d, &env->fp_status);
582 uint32_t helper_ftrc_FT(uint32_t t0)
586 return float32_to_int32_round_to_zero(f.f, &env->fp_status);
589 uint32_t helper_ftrc_DT(uint64_t t0)
593 return float64_to_int32_round_to_zero(d.d, &env->fp_status);