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
23 void do_raise_exception(void)
28 #ifndef CONFIG_USER_ONLY
30 #define MMUSUFFIX _mmu
33 #include "softmmu_template.h"
36 #include "softmmu_template.h"
39 #include "softmmu_template.h"
42 #include "softmmu_template.h"
44 void tlb_fill(target_ulong addr, int is_write, int mmu_idx, void *retaddr)
51 /* XXX: hack to restore env in all cases, even if not called from
55 ret = cpu_sh4_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
58 /* now we have a real cpu fault */
59 pc = (unsigned long) retaddr;
62 /* the PC is inside the translated code. It means that we have
63 a virtual CPU fault */
64 cpu_restore_state(tb, env, pc, NULL);
74 void helper_ldtlb(void)
76 #ifdef CONFIG_USER_ONLY
84 void helper_addc_T0_T1(void)
90 T1 = tmp1 + (env->sr & 1);
99 void helper_addv_T0_T1(void)
101 uint32_t dest, src, ans;
103 if ((int32_t) T1 >= 0)
107 if ((int32_t) T0 >= 0)
113 if ((int32_t) T1 >= 0)
118 if (src == 0 || src == 2) {
127 #define T (env->sr & SR_T)
128 #define Q (env->sr & SR_Q ? 1 : 0)
129 #define M (env->sr & SR_M ? 1 : 0)
130 #define SETT env->sr |= SR_T
131 #define CLRT env->sr &= ~SR_T
132 #define SETQ env->sr |= SR_Q
133 #define CLRQ env->sr &= ~SR_Q
134 #define SETM env->sr |= SR_M
135 #define CLRM env->sr &= ~SR_M
137 void helper_div1_T0_T1(void)
140 uint8_t old_q, tmp1 = 0xff;
142 //printf("div1 T0=0x%08x T1=0x%08x M=%d Q=%d T=%d\n", T0, T1, M, Q, T);
144 if ((0x80000000 & T1) != 0)
241 //printf("Output: T1=0x%08x M=%d Q=%d T=%d\n", T1, M, Q, T);
244 void helper_dmulsl_T0_T1()
248 res = (int64_t) (int32_t) T0 *(int64_t) (int32_t) T1;
249 env->mach = (res >> 32) & 0xffffffff;
250 env->macl = res & 0xffffffff;
253 void helper_dmulul_T0_T1()
257 res = (uint64_t) (uint32_t) T0 *(uint64_t) (uint32_t) T1;
258 env->mach = (res >> 32) & 0xffffffff;
259 env->macl = res & 0xffffffff;
262 void helper_macl_T0_T1()
266 res = ((uint64_t) env->mach << 32) | env->macl;
267 res += (int64_t) (int32_t) T0 *(int64_t) (int32_t) T1;
268 env->mach = (res >> 32) & 0xffffffff;
269 env->macl = res & 0xffffffff;
270 if (env->sr & SR_S) {
272 env->mach |= 0xffff0000;
274 env->mach &= 0x00007fff;
278 void helper_macw_T0_T1()
282 res = ((uint64_t) env->mach << 32) | env->macl;
283 res += (int64_t) (int16_t) T0 *(int64_t) (int16_t) T1;
284 env->mach = (res >> 32) & 0xffffffff;
285 env->macl = res & 0xffffffff;
286 if (env->sr & SR_S) {
287 if (res < -0x80000000) {
289 env->macl = 0x80000000;
290 } else if (res > 0x000000007fffffff) {
292 env->macl = 0x7fffffff;
297 void helper_negc_T0()
302 T0 = temp - (env->sr & SR_T);
311 void helper_subc_T0_T1()
317 T1 = tmp1 - (env->sr & SR_T);
326 void helper_subv_T0_T1()
328 int32_t dest, src, ans;
330 if ((int32_t) T1 >= 0)
334 if ((int32_t) T0 >= 0)
340 if ((int32_t) T1 >= 0)
354 void helper_rotcl(uint32_t * addr)
358 new = (*addr << 1) | (env->sr & SR_T);
359 if (*addr & 0x80000000)
366 void helper_rotcr(uint32_t * addr)
370 new = (*addr >> 1) | ((env->sr & SR_T) ? 0x80000000 : 0);