| /* |
| * SH4 emulation |
| * |
| * Copyright (c) 2005 Samuel Tardieu |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| #include "exec.h" |
| |
| static inline void set_flag(uint32_t flag) |
| { |
| env->flags |= flag; |
| } |
| |
| static inline void clr_flag(uint32_t flag) |
| { |
| env->flags &= ~flag; |
| } |
| |
| static inline void set_t(void) |
| { |
| env->sr |= SR_T; |
| } |
| |
| static inline void clr_t(void) |
| { |
| env->sr &= ~SR_T; |
| } |
| |
| static inline void cond_t(int cond) |
| { |
| if (cond) |
| set_t(); |
| else |
| clr_t(); |
| } |
| |
| void OPPROTO op_movl_imm_T0(void) |
| { |
| T0 = (uint32_t) PARAM1; |
| RETURN(); |
| } |
| |
| void OPPROTO op_movl_imm_T1(void) |
| { |
| T0 = (uint32_t) PARAM1; |
| RETURN(); |
| } |
| |
| void OPPROTO op_movl_imm_T2(void) |
| { |
| T0 = (uint32_t) PARAM1; |
| RETURN(); |
| } |
| |
| void OPPROTO op_cmp_eq_imm_T0(void) |
| { |
| cond_t((int32_t) T0 == (int32_t) PARAM1); |
| RETURN(); |
| } |
| |
| void OPPROTO op_cmd_eq_T0_T1(void) |
| { |
| cond_t(T0 == T1); |
| RETURN(); |
| } |
| |
| void OPPROTO op_cmd_hs_T0_T1(void) |
| { |
| cond_t((uint32_t) T0 <= (uint32_t) T1); |
| RETURN(); |
| } |
| |
| void OPPROTO op_cmd_ge_T0_T1(void) |
| { |
| cond_t((int32_t) T0 <= (int32_t) T1); |
| RETURN(); |
| } |
| |
| void OPPROTO op_cmd_hi_T0_T1(void) |
| { |
| cond_t((uint32_t) T0 < (uint32_t) T1); |
| RETURN(); |
| } |
| |
| void OPPROTO op_cmd_gt_T0_T1(void) |
| { |
| cond_t((int32_t) T0 < (int32_t) T1); |
| RETURN(); |
| } |
| |
| void OPPROTO op_not_T0(void) |
| { |
| T0 = ~T0; |
| RETURN(); |
| } |
| |
| void OPPROTO op_bf_s(void) |
| { |
| T2 = ~env->sr; |
| env->delayed_pc = PARAM1; |
| set_flag(DELAY_SLOT_CONDITIONAL); |
| RETURN(); |
| } |
| |
| void OPPROTO op_bt_s(void) |
| { |
| T2 = env->sr; |
| env->delayed_pc = PARAM1; |
| set_flag(DELAY_SLOT_CONDITIONAL); |
| RETURN(); |
| } |
| |
| void OPPROTO op_bra(void) |
| { |
| env->delayed_pc = PARAM1; |
| set_flag(DELAY_SLOT); |
| RETURN(); |
| } |
| |
| void OPPROTO op_braf_T0(void) |
| { |
| env->delayed_pc = PARAM1 + T0; |
| set_flag(DELAY_SLOT); |
| RETURN(); |
| } |
| |
| void OPPROTO op_bsr(void) |
| { |
| env->pr = PARAM1; |
| env->delayed_pc = PARAM2; |
| set_flag(DELAY_SLOT); |
| RETURN(); |
| } |
| |
| void OPPROTO op_bsrf_T0(void) |
| { |
| env->pr = PARAM1; |
| env->delayed_pc = PARAM1 + T0; |
| set_flag(DELAY_SLOT); |
| RETURN(); |
| } |
| |
| void OPPROTO op_jsr_T0(void) |
| { |
| env->pr = PARAM1; |
| env->delayed_pc = T0; |
| set_flag(DELAY_SLOT); |
| RETURN(); |
| } |
| |
| void OPPROTO op_rts(void) |
| { |
| env->delayed_pc = env->pr; |
| set_flag(DELAY_SLOT); |
| RETURN(); |
| } |
| |
| void OPPROTO op_clr_delay_slot(void) |
| { |
| clr_flag(DELAY_SLOT); |
| RETURN(); |
| } |
| |
| void OPPROTO op_clr_delay_slot_conditional(void) |
| { |
| clr_flag(DELAY_SLOT_CONDITIONAL); |
| RETURN(); |
| } |
| |
| void OPPROTO op_exit_tb(void) |
| { |
| EXIT_TB(); |
| RETURN(); |
| } |
| |
| void OPPROTO op_addl_imm_T0(void) |
| { |
| T0 += PARAM1; |
| RETURN(); |
| } |
| |
| void OPPROTO op_addl_imm_T1(void) |
| { |
| T1 += PARAM1; |
| RETURN(); |
| } |
| |
| void OPPROTO op_clrmac(void) |
| { |
| env->mach = env->macl = 0; |
| RETURN(); |
| } |
| |
| void OPPROTO op_clrs(void) |
| { |
| env->sr &= ~SR_S; |
| RETURN(); |
| } |
| |
| void OPPROTO op_clrt(void) |
| { |
| env->sr &= ~SR_T; |
| RETURN(); |
| } |
| |
| void OPPROTO op_sets(void) |
| { |
| env->sr |= SR_S; |
| RETURN(); |
| } |
| |
| void OPPROTO op_sett(void) |
| { |
| env->sr |= SR_T; |
| RETURN(); |
| } |
| |
| void OPPROTO op_rte(void) |
| { |
| env->sr = env->ssr; |
| env->delayed_pc = env->spc; |
| set_flag(DELAY_SLOT); |
| RETURN(); |
| } |
| |
| void OPPROTO op_swapb_T0(void) |
| { |
| T0 = (T0 & 0xffff0000) | ((T0 & 0xff) << 8) | ((T0 >> 8) & 0xff); |
| RETURN(); |
| } |
| |
| void OPPROTO op_swapw_T0(void) |
| { |
| T0 = ((T0 & 0xffff) << 16) | ((T0 >> 16) & 0xffff); |
| RETURN(); |
| } |
| |
| void OPPROTO op_xtrct_T0_T1(void) |
| { |
| T1 = ((T0 & 0xffff) << 16) | ((T1 >> 16) & 0xffff); |
| RETURN(); |
| } |
| |
| void OPPROTO op_addc_T0_T1(void) |
| { |
| helper_addc_T0_T1(); |
| RETURN(); |
| } |
| |
| void OPPROTO op_addv_T0_T1(void) |
| { |
| helper_addv_T0_T1(); |
| RETURN(); |
| } |
| |
| void OPPROTO op_cmp_eq_T0_T1(void) |
| { |
| cond_t(T1 == T0); |
| RETURN(); |
| } |
| |
| void OPPROTO op_cmp_ge_T0_T1(void) |
| { |
| cond_t((int32_t) T1 >= (int32_t) T0); |
| RETURN(); |
| } |
| |
| void OPPROTO op_cmp_gt_T0_T1(void) |
| { |
| cond_t((int32_t) T1 > (int32_t) T0); |
| RETURN(); |
| } |
| |
| void OPPROTO op_cmp_hi_T0_T1(void) |
| { |
| cond_t((uint32_t) T1 > (uint32_t) T0); |
| RETURN(); |
| } |
| |
| void OPPROTO op_cmp_hs_T0_T1(void) |
| { |
| cond_t((uint32_t) T1 >= (uint32_t) T0); |
| RETURN(); |
| } |
| |
| void OPPROTO op_cmp_str_T0_T1(void) |
| { |
| cond_t((T0 & 0x000000ff) == (T1 & 0x000000ff) || |
| (T0 & 0x0000ff00) == (T1 & 0x0000ff00) || |
| (T0 & 0x00ff0000) == (T1 & 0x00ff0000) || |
| (T0 & 0xff000000) == (T1 & 0xff000000)); |
| RETURN(); |
| } |
| |
| void OPPROTO op_tst_T0_T1(void) |
| { |
| cond_t((T1 & T0) == 0); |
| RETURN(); |
| } |
| |
| void OPPROTO op_div0s_T0_T1(void) |
| { |
| if (T1 & 0x80000000) |
| env->sr |= SR_Q; |
| else |
| env->sr &= ~SR_Q; |
| if (T0 & 0x80000000) |
| env->sr |= SR_M; |
| else |
| env->sr &= ~SR_M; |
| cond_t((T1 ^ T0) & 0x80000000); |
| RETURN(); |
| } |
| |
| void OPPROTO op_div0u(void) |
| { |
| env->sr &= ~(SR_M | SR_Q | SR_T); |
| RETURN(); |
| } |
| |
| void OPPROTO op_div1_T0_T1(void) |
| { |
| helper_div1_T0_T1(); |
| RETURN(); |
| } |
| |
| void OPPROTO op_dmulsl_T0_T1(void) |
| { |
| helper_dmulsl_T0_T1(); |
| RETURN(); |
| } |
| |
| void OPPROTO op_dmulul_T0_T1(void) |
| { |
| helper_dmulul_T0_T1(); |
| RETURN(); |
| } |
| |
| void OPPROTO op_macl_T0_T1(void) |
| { |
| helper_macl_T0_T1(); |
| RETURN(); |
| } |
| |
| void OPPROTO op_macw_T0_T1(void) |
| { |
| helper_macw_T0_T1(); |
| RETURN(); |
| } |
| |
| void OPPROTO op_mull_T0_T1(void) |
| { |
| env->macl = (T0 * T1) & 0xffffffff; |
| RETURN(); |
| } |
| |
| void OPPROTO op_mulsw_T0_T1(void) |
| { |
| env->macl = (int32_t) T0 *(int32_t) T1; |
| RETURN(); |
| } |
| |
| void OPPROTO op_muluw_T0_T1(void) |
| { |
| env->macl = (uint32_t) T0 *(uint32_t) T1; |
| RETURN(); |
| } |
| |
| void OPPROTO op_neg_T0(void) |
| { |
| T0 = -T0; |
| RETURN(); |
| } |
| |
| void OPPROTO op_negc_T0(void) |
| { |
| helper_negc_T0(); |
| RETURN(); |
| } |
| |
| void OPPROTO op_shad_T0_T1(void) |
| { |
| if ((T0 & 0x80000000) == 0) |
| T1 <<= (T0 & 0x1f); |
| else if ((T0 & 0x1f) == 0) |
| T1 = 0; |
| else |
| T1 = ((int32_t) T1) >> ((~T0 & 0x1f) + 1); |
| RETURN(); |
| } |
| |
| void OPPROTO op_shld_T0_T1(void) |
| { |
| if ((T0 & 0x80000000) == 0) |
| T1 <<= (T0 & 0x1f); |
| else if ((T0 & 0x1f) == 0) |
| T1 = 0; |
| else |
| T1 = ((uint32_t) T1) >> ((~T0 & 0x1f) + 1); |
| RETURN(); |
| } |
| |
| void OPPROTO op_subc_T0_T1(void) |
| { |
| helper_subc_T0_T1(); |
| RETURN(); |
| } |
| |
| void OPPROTO op_subv_T0_T1(void) |
| { |
| helper_subv_T0_T1(); |
| RETURN(); |
| } |
| |
| void OPPROTO op_trapa(void) |
| { |
| env->tra = PARAM1 * 2; |
| env->exception_index = 0x160; |
| do_raise_exception(); |
| RETURN(); |
| } |
| |
| void OPPROTO op_cmp_pl_T0(void) |
| { |
| cond_t((int32_t) T0 > 0); |
| RETURN(); |
| } |
| |
| void OPPROTO op_cmp_pz_T0(void) |
| { |
| cond_t((int32_t) T0 >= 0); |
| RETURN(); |
| } |
| |
| void OPPROTO op_jmp_T0(void) |
| { |
| env->delayed_pc = T0; |
| set_flag(DELAY_SLOT); |
| RETURN(); |
| } |
| |
| void OPPROTO op_movl_rN_rN(void) |
| { |
| env->gregs[PARAM2] = env->gregs[PARAM1]; |
| RETURN(); |
| } |
| |
| void OPPROTO op_ldcl_rMplus_rN_bank(void) |
| { |
| env->gregs[PARAM2] = env->gregs[PARAM1]; |
| env->gregs[PARAM1] += 4; |
| RETURN(); |
| } |
| |
| #define LDSTOPS(target,load,store) \ |
| void OPPROTO op_##load##_T0_##target (void) \ |
| { env ->target = T0; RETURN(); \ |
| } \ |
| void OPPROTO op_##store##_##target##_T0 (void) \ |
| { T0 = env->target; RETURN(); \ |
| } \ |
| |
| LDSTOPS(sr, ldc, stc) |
| LDSTOPS(gbr, ldc, stc) |
| LDSTOPS(vbr, ldc, stc) |
| LDSTOPS(ssr, ldc, stc) |
| LDSTOPS(spc, ldc, stc) |
| LDSTOPS(sgr, ldc, stc) |
| LDSTOPS(dbr, ldc, stc) |
| LDSTOPS(mach, lds, sts) |
| LDSTOPS(macl, lds, sts) |
| LDSTOPS(pr, lds, sts) |
| |
| void OPPROTO op_movt_rN(void) |
| { |
| env->gregs[PARAM1] = env->sr & SR_T; |
| RETURN(); |
| } |
| |
| void OPPROTO op_rotcl_Rn(void) |
| { |
| helper_rotcl(&env->gregs[PARAM1]); |
| RETURN(); |
| } |
| |
| void OPPROTO op_rotcr_Rn(void) |
| { |
| helper_rotcr(&env->gregs[PARAM1]); |
| RETURN(); |
| } |
| |
| void OPPROTO op_rotl_Rn(void) |
| { |
| cond_t(env->gregs[PARAM1] & 0x80000000); |
| env->gregs[PARAM1] = (env->gregs[PARAM1] << 1) | (env->sr & SR_T); |
| RETURN(); |
| } |
| |
| void OPPROTO op_rotr_Rn(void) |
| { |
| cond_t(env->gregs[PARAM1] & 1); |
| env->gregs[PARAM1] = (env->gregs[PARAM1] >> 1) | |
| ((env->sr & SR_T) ? 0x80000000 : 0); |
| RETURN(); |
| } |
| |
| void OPPROTO op_shal_Rn(void) |
| { |
| cond_t(env->gregs[PARAM1] & 0x80000000); |
| env->gregs[PARAM1] <<= 1; |
| RETURN(); |
| } |
| |
| void OPPROTO op_shar_Rn(void) |
| { |
| cond_t(env->gregs[PARAM1] & 1); |
| *(int32_t *) & env->gregs[PARAM1] >>= 1; |
| RETURN(); |
| } |
| |
| void OPPROTO op_shlr_Rn(void) |
| { |
| cond_t(env->gregs[PARAM1] & 1); |
| *(uint32_t *) & env->gregs[PARAM1] >>= 1; |
| RETURN(); |
| } |
| |
| void OPPROTO op_shll2_Rn(void) |
| { |
| env->gregs[PARAM1] <<= 2; |
| RETURN(); |
| } |
| |
| void OPPROTO op_shll8_Rn(void) |
| { |
| env->gregs[PARAM1] <<= 8; |
| RETURN(); |
| } |
| |
| void OPPROTO op_shll16_Rn(void) |
| { |
| env->gregs[PARAM1] <<= 16; |
| RETURN(); |
| } |
| |
| void OPPROTO op_shlr2_Rn(void) |
| { |
| *(uint32_t *) & env->gregs[PARAM1] >>= 2; |
| RETURN(); |
| } |
| |
| void OPPROTO op_shlr8_Rn(void) |
| { |
| *(uint32_t *) & env->gregs[PARAM1] >>= 8; |
| RETURN(); |
| } |
| |
| void OPPROTO op_shlr16_Rn(void) |
| { |
| *(uint32_t *) & env->gregs[PARAM1] >>= 16; |
| RETURN(); |
| } |
| |
| void OPPROTO op_tasb_rN(void) |
| { |
| cond_t(*(int8_t *) env->gregs[PARAM1] == 0); |
| *(int8_t *) env->gregs[PARAM1] |= 0x80; |
| RETURN(); |
| } |
| |
| void OPPROTO op_movl_T0_rN(void) |
| { |
| env->gregs[PARAM1] = T0; |
| RETURN(); |
| } |
| |
| void OPPROTO op_movl_T1_rN(void) |
| { |
| env->gregs[PARAM1] = T1; |
| RETURN(); |
| } |
| |
| void OPPROTO op_movb_rN_T0(void) |
| { |
| T0 = (int32_t) (int8_t) (env->gregs[PARAM1] & 0xff); |
| RETURN(); |
| } |
| |
| void OPPROTO op_movub_rN_T0(void) |
| { |
| T0 = env->gregs[PARAM1] & 0xff; |
| RETURN(); |
| } |
| |
| void OPPROTO op_movw_rN_T0(void) |
| { |
| T0 = (int32_t) (int16_t) (env->gregs[PARAM1] & 0xffff); |
| RETURN(); |
| } |
| |
| void OPPROTO op_movuw_rN_T0(void) |
| { |
| T0 = env->gregs[PARAM1] & 0xffff; |
| RETURN(); |
| } |
| |
| void OPPROTO op_movl_rN_T0(void) |
| { |
| T0 = env->gregs[PARAM1]; |
| RETURN(); |
| } |
| |
| void OPPROTO op_movb_rN_T1(void) |
| { |
| T1 = (int32_t) (int8_t) (env->gregs[PARAM1] & 0xff); |
| RETURN(); |
| } |
| |
| void OPPROTO op_movub_rN_T1(void) |
| { |
| T1 = env->gregs[PARAM1] & 0xff; |
| RETURN(); |
| } |
| |
| void OPPROTO op_movw_rN_T1(void) |
| { |
| T1 = (int32_t) (int16_t) (env->gregs[PARAM1] & 0xffff); |
| RETURN(); |
| } |
| |
| void OPPROTO op_movuw_rN_T1(void) |
| { |
| T1 = env->gregs[PARAM1] & 0xffff; |
| RETURN(); |
| } |
| |
| void OPPROTO op_movl_rN_T1(void) |
| { |
| T1 = env->gregs[PARAM1]; |
| RETURN(); |
| } |
| |
| void OPPROTO op_movl_imm_rN(void) |
| { |
| env->gregs[PARAM2] = PARAM1; |
| RETURN(); |
| } |
| |
| void OPPROTO op_dec1_rN(void) |
| { |
| env->gregs[PARAM1] -= 1; |
| RETURN(); |
| } |
| |
| void OPPROTO op_dec2_rN(void) |
| { |
| env->gregs[PARAM1] -= 2; |
| RETURN(); |
| } |
| |
| void OPPROTO op_dec4_rN(void) |
| { |
| env->gregs[PARAM1] -= 4; |
| RETURN(); |
| } |
| |
| void OPPROTO op_inc1_rN(void) |
| { |
| env->gregs[PARAM1] += 1; |
| RETURN(); |
| } |
| |
| void OPPROTO op_inc2_rN(void) |
| { |
| env->gregs[PARAM1] += 2; |
| RETURN(); |
| } |
| |
| void OPPROTO op_inc4_rN(void) |
| { |
| env->gregs[PARAM1] += 4; |
| RETURN(); |
| } |
| |
| void OPPROTO op_add_T0_rN(void) |
| { |
| env->gregs[PARAM1] += T0; |
| RETURN(); |
| } |
| |
| void OPPROTO op_sub_T0_rN(void) |
| { |
| env->gregs[PARAM1] -= T0; |
| RETURN(); |
| } |
| |
| void OPPROTO op_and_T0_rN(void) |
| { |
| env->gregs[PARAM1] &= T0; |
| RETURN(); |
| } |
| |
| void OPPROTO op_or_T0_rN(void) |
| { |
| env->gregs[PARAM1] |= T0; |
| RETURN(); |
| } |
| |
| void OPPROTO op_xor_T0_rN(void) |
| { |
| env->gregs[PARAM1] ^= T0; |
| RETURN(); |
| } |
| |
| void OPPROTO op_add_rN_T0(void) |
| { |
| T0 += env->gregs[PARAM1]; |
| RETURN(); |
| } |
| |
| void OPPROTO op_add_rN_T1(void) |
| { |
| T1 += env->gregs[PARAM1]; |
| RETURN(); |
| } |
| |
| void OPPROTO op_add_imm_rN(void) |
| { |
| env->gregs[PARAM2] += PARAM1; |
| RETURN(); |
| } |
| |
| void OPPROTO op_and_imm_rN(void) |
| { |
| env->gregs[PARAM2] &= PARAM1; |
| RETURN(); |
| } |
| |
| void OPPROTO op_or_imm_rN(void) |
| { |
| env->gregs[PARAM2] |= PARAM1; |
| RETURN(); |
| } |
| |
| void OPPROTO op_xor_imm_rN(void) |
| { |
| env->gregs[PARAM2] ^= PARAM1; |
| RETURN(); |
| } |
| |
| void OPPROTO op_dt_rN(void) |
| { |
| cond_t((--env->gregs[PARAM1]) == 0); |
| RETURN(); |
| } |
| |
| void OPPROTO op_tst_imm_rN(void) |
| { |
| cond_t((env->gregs[PARAM2] & PARAM1) == 0); |
| RETURN(); |
| } |
| |
| void OPPROTO op_movl_T0_T1(void) |
| { |
| T1 = T0; |
| RETURN(); |
| } |
| |
| void OPPROTO op_goto_tb0(void) |
| { |
| GOTO_TB(op_goto_tb0, PARAM1, 0); |
| RETURN(); |
| } |
| |
| void OPPROTO op_goto_tb1(void) |
| { |
| GOTO_TB(op_goto_tb1, PARAM1, 1); |
| RETURN(); |
| } |
| |
| void OPPROTO op_movl_imm_PC(void) |
| { |
| env->pc = PARAM1; |
| RETURN(); |
| } |
| |
| void OPPROTO op_jT(void) |
| { |
| if (env->sr & SR_T) |
| GOTO_LABEL_PARAM(1); |
| RETURN(); |
| } |
| |
| void OPPROTO op_jTT2(void) |
| { |
| if (T2 & SR_T) |
| GOTO_LABEL_PARAM(1); |
| RETURN(); |
| } |
| |
| void OPPROTO op_movl_delayed_pc_PC(void) |
| { |
| env->pc = env->delayed_pc; |
| RETURN(); |
| } |
| |
| void OPPROTO op_addl_GBR_T0(void) |
| { |
| T0 += env->gbr; |
| RETURN(); |
| } |
| |
| void OPPROTO op_and_imm_T0(void) |
| { |
| T0 &= PARAM1; |
| RETURN(); |
| } |
| |
| void OPPROTO op_or_imm_T0(void) |
| { |
| T0 |= PARAM1; |
| RETURN(); |
| } |
| |
| void OPPROTO op_xor_imm_T0(void) |
| { |
| T0 ^= PARAM1; |
| RETURN(); |
| } |
| |
| void OPPROTO op_tst_imm_T0(void) |
| { |
| cond_t((T0 & PARAM1) == 0); |
| RETURN(); |
| } |
| |
| void OPPROTO op_raise_illegal_instruction(void) |
| { |
| env->exception_index = 0x180; |
| do_raise_exception(); |
| RETURN(); |
| } |
| |
| void OPPROTO op_raise_slot_illegal_instruction(void) |
| { |
| env->exception_index = 0x1a0; |
| do_raise_exception(); |
| RETURN(); |
| } |
| |
| void OPPROTO op_debug(void) |
| { |
| env->exception_index = EXCP_DEBUG; |
| cpu_loop_exit(); |
| } |
| |
| /* Load and store */ |
| #define MEMSUFFIX _raw |
| #include "op_mem.c" |
| #undef MEMSUFFIX |
| #if !defined(CONFIG_USER_ONLY) |
| #define MEMSUFFIX _user |
| #include "op_mem.c" |
| #undef MEMSUFFIX |
| |
| #define MEMSUFFIX _kernel |
| #include "op_mem.c" |
| #undef MEMSUFFIX |
| #endif |