root / target-sh4 / translate.c @ 6f06939b
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/*
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* SH4 translation
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*
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* Copyright (c) 2005 Samuel Tardieu
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdarg.h> |
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include <inttypes.h> |
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#include <assert.h> |
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#define DEBUG_DISAS
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#define SH4_DEBUG_DISAS
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//#define SH4_SINGLE_STEP
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#include "cpu.h" |
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#include "exec-all.h" |
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#include "disas.h" |
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#include "helper.h" |
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#include "tcg-op.h" |
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#include "qemu-common.h" |
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typedef struct DisasContext { |
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struct TranslationBlock *tb;
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target_ulong pc; |
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uint32_t sr; |
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uint32_t fpscr; |
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uint16_t opcode; |
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uint32_t flags; |
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int bstate;
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int memidx;
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uint32_t delayed_pc; |
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int singlestep_enabled;
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} DisasContext; |
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enum {
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BS_NONE = 0, /* We go out of the TB without reaching a branch or an |
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* exception condition
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*/
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BS_STOP = 1, /* We want to stop translation for any reason */ |
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BS_BRANCH = 2, /* We reached a branch condition */ |
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BS_EXCP = 3, /* We reached an exception condition */ |
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}; |
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/* global register indexes */
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static TCGv cpu_env;
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static TCGv cpu_gregs[24]; |
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static TCGv cpu_pc, cpu_sr, cpu_ssr, cpu_spc, cpu_gbr;
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static TCGv cpu_vbr, cpu_sgr, cpu_dbr, cpu_mach, cpu_macl;
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static TCGv cpu_pr, cpu_fpscr, cpu_fpul, cpu_flags;
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/* internal register indexes */
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static TCGv cpu_flags, cpu_delayed_pc;
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/* dyngen register indexes */
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static TCGv cpu_T[2]; |
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#include "gen-icount.h" |
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static void sh4_translate_init(void) |
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{ |
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int i;
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static int done_init = 0; |
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static const char * const gregnames[24] = { |
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"R0_BANK0", "R1_BANK0", "R2_BANK0", "R3_BANK0", |
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"R4_BANK0", "R5_BANK0", "R6_BANK0", "R7_BANK0", |
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"R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15", |
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"R0_BANK1", "R1_BANK1", "R2_BANK1", "R3_BANK1", |
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"R4_BANK1", "R5_BANK1", "R6_BANK1", "R7_BANK1" |
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}; |
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if (done_init)
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return;
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cpu_env = tcg_global_reg_new(TCG_TYPE_PTR, TCG_AREG0, "env");
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cpu_T[0] = tcg_global_reg_new(TCG_TYPE_I32, TCG_AREG1, "T0"); |
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cpu_T[1] = tcg_global_reg_new(TCG_TYPE_I32, TCG_AREG2, "T1"); |
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for (i = 0; i < 24; i++) |
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cpu_gregs[i] = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0, |
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offsetof(CPUState, gregs[i]), |
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gregnames[i]); |
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cpu_pc = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0, |
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offsetof(CPUState, pc), "PC");
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cpu_sr = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0, |
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offsetof(CPUState, sr), "SR");
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cpu_ssr = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0, |
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offsetof(CPUState, ssr), "SSR");
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cpu_spc = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0, |
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offsetof(CPUState, spc), "SPC");
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cpu_gbr = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0, |
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offsetof(CPUState, gbr), "GBR");
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cpu_vbr = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0, |
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offsetof(CPUState, vbr), "VBR");
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cpu_sgr = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0, |
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offsetof(CPUState, sgr), "SGR");
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cpu_dbr = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0, |
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offsetof(CPUState, dbr), "DBR");
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cpu_mach = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0, |
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offsetof(CPUState, mach), "MACH");
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cpu_macl = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0, |
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offsetof(CPUState, macl), "MACL");
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cpu_pr = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0, |
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offsetof(CPUState, pr), "PR");
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cpu_fpscr = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0, |
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offsetof(CPUState, fpscr), "FPSCR");
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cpu_fpul = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0, |
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offsetof(CPUState, fpul), "FPUL");
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cpu_flags = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0, |
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offsetof(CPUState, flags), "_flags_");
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cpu_delayed_pc = tcg_global_mem_new(TCG_TYPE_I32, TCG_AREG0, |
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offsetof(CPUState, delayed_pc), |
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"_delayed_pc_");
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/* register helpers */
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#undef DEF_HELPER
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#define DEF_HELPER(ret, name, params) tcg_register_helper(name, #name); |
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#include "helper.h" |
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done_init = 1;
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} |
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#ifdef CONFIG_USER_ONLY
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#define GEN_OP_LD(width, reg) \
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void gen_op_ld##width##_T0_##reg (DisasContext *ctx) { \ |
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gen_op_ld##width##_T0_##reg##_raw(); \ |
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} |
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#define GEN_OP_ST(width, reg) \
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void gen_op_st##width##_##reg##_T1 (DisasContext *ctx) { \ |
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gen_op_st##width##_##reg##_T1_raw(); \ |
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} |
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#else
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#define GEN_OP_LD(width, reg) \
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void gen_op_ld##width##_T0_##reg (DisasContext *ctx) { \ |
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if (ctx->memidx) gen_op_ld##width##_T0_##reg##_kernel(); \ |
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else gen_op_ld##width##_T0_##reg##_user();\ |
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} |
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#define GEN_OP_ST(width, reg) \
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void gen_op_st##width##_##reg##_T1 (DisasContext *ctx) { \ |
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if (ctx->memidx) gen_op_st##width##_##reg##_T1_kernel(); \ |
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else gen_op_st##width##_##reg##_T1_user();\ |
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} |
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#endif
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GEN_OP_LD(ub, T0) |
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GEN_OP_LD(b, T0) |
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GEN_OP_ST(b, T0) |
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GEN_OP_LD(uw, T0) |
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GEN_OP_LD(w, T0) |
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GEN_OP_ST(w, T0) |
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GEN_OP_LD(l, T0) |
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GEN_OP_ST(l, T0) |
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GEN_OP_LD(fl, FT0) |
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GEN_OP_ST(fl, FT0) |
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GEN_OP_LD(fq, DT0) |
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GEN_OP_ST(fq, DT0) |
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void cpu_dump_state(CPUState * env, FILE * f,
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int (*cpu_fprintf) (FILE * f, const char *fmt, ...), |
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int flags)
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{ |
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int i;
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cpu_fprintf(f, "pc=0x%08x sr=0x%08x pr=0x%08x fpscr=0x%08x\n",
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env->pc, env->sr, env->pr, env->fpscr); |
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cpu_fprintf(f, "spc=0x%08x ssr=0x%08x gbr=0x%08x vbr=0x%08x\n",
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env->spc, env->ssr, env->gbr, env->vbr); |
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cpu_fprintf(f, "sgr=0x%08x dbr=0x%08x delayed_pc=0x%08x fpul=0x%08x\n",
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env->sgr, env->dbr, env->delayed_pc, env->fpul); |
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for (i = 0; i < 24; i += 4) { |
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cpu_fprintf(f, "r%d=0x%08x r%d=0x%08x r%d=0x%08x r%d=0x%08x\n",
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i, env->gregs[i], i + 1, env->gregs[i + 1], |
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i + 2, env->gregs[i + 2], i + 3, env->gregs[i + 3]); |
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} |
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if (env->flags & DELAY_SLOT) {
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cpu_fprintf(f, "in delay slot (delayed_pc=0x%08x)\n",
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env->delayed_pc); |
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} else if (env->flags & DELAY_SLOT_CONDITIONAL) { |
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cpu_fprintf(f, "in conditional delay slot (delayed_pc=0x%08x)\n",
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env->delayed_pc); |
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} |
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} |
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void cpu_sh4_reset(CPUSH4State * env)
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{ |
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#if defined(CONFIG_USER_ONLY)
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env->sr = SR_FD; /* FD - kernel does lazy fpu context switch */
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#else
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env->sr = 0x700000F0; /* MD, RB, BL, I3-I0 */ |
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#endif
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env->vbr = 0;
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env->pc = 0xA0000000;
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#if defined(CONFIG_USER_ONLY)
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env->fpscr = FPSCR_PR; /* value for userspace according to the kernel */
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set_float_rounding_mode(float_round_nearest_even, &env->fp_status); /* ?! */
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#else
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env->fpscr = 0x00040001; /* CPU reset value according to SH4 manual */ |
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set_float_rounding_mode(float_round_to_zero, &env->fp_status); |
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#endif
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env->mmucr = 0;
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} |
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CPUSH4State *cpu_sh4_init(const char *cpu_model) |
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{ |
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CPUSH4State *env; |
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env = qemu_mallocz(sizeof(CPUSH4State));
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if (!env)
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return NULL; |
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cpu_exec_init(env); |
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sh4_translate_init(); |
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cpu_sh4_reset(env); |
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tlb_flush(env, 1);
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return env;
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} |
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static void gen_goto_tb(DisasContext * ctx, int n, target_ulong dest) |
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{ |
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TranslationBlock *tb; |
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tb = ctx->tb; |
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if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK) &&
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!ctx->singlestep_enabled) { |
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/* Use a direct jump if in same page and singlestep not enabled */
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tcg_gen_goto_tb(n); |
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tcg_gen_movi_i32(cpu_pc, dest); |
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tcg_gen_exit_tb((long) tb + n);
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} else {
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tcg_gen_movi_i32(cpu_pc, dest); |
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if (ctx->singlestep_enabled)
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tcg_gen_helper_0_0(helper_debug); |
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tcg_gen_exit_tb(0);
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} |
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} |
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static void gen_jump(DisasContext * ctx) |
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{ |
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if (ctx->delayed_pc == (uint32_t) - 1) { |
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/* Target is not statically known, it comes necessarily from a
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delayed jump as immediate jump are conditinal jumps */
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tcg_gen_mov_i32(cpu_pc, cpu_delayed_pc); |
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if (ctx->singlestep_enabled)
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tcg_gen_helper_0_0(helper_debug); |
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tcg_gen_exit_tb(0);
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} else {
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gen_goto_tb(ctx, 0, ctx->delayed_pc);
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} |
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} |
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static inline void gen_branch_slot(uint32_t delayed_pc, int t) |
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{ |
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int label = gen_new_label();
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tcg_gen_movi_i32(cpu_delayed_pc, delayed_pc); |
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tcg_gen_andi_i32(cpu_T[0], cpu_sr, SR_T);
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tcg_gen_brcondi_i32(TCG_COND_NE, cpu_T[0], t ? SR_T : 0, label); |
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tcg_gen_ori_i32(cpu_flags, cpu_flags, DELAY_SLOT_TRUE); |
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gen_set_label(label); |
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} |
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/* Immediate conditional jump (bt or bf) */
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static void gen_conditional_jump(DisasContext * ctx, |
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target_ulong ift, target_ulong ifnott) |
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{ |
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int l1;
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l1 = gen_new_label(); |
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tcg_gen_andi_i32(cpu_T[0], cpu_sr, SR_T);
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tcg_gen_brcondi_i32(TCG_COND_EQ, cpu_T[0], SR_T, l1);
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gen_goto_tb(ctx, 0, ifnott);
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gen_set_label(l1); |
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gen_goto_tb(ctx, 1, ift);
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} |
293 |
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/* Delayed conditional jump (bt or bf) */
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static void gen_delayed_conditional_jump(DisasContext * ctx) |
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{ |
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int l1;
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l1 = gen_new_label(); |
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tcg_gen_andi_i32(cpu_T[0], cpu_flags, DELAY_SLOT_TRUE);
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tcg_gen_brcondi_i32(TCG_COND_EQ, cpu_T[0], DELAY_SLOT_TRUE, l1);
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gen_goto_tb(ctx, 1, ctx->pc + 2); |
303 |
gen_set_label(l1); |
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tcg_gen_andi_i32(cpu_flags, cpu_flags, ~DELAY_SLOT_TRUE); |
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gen_jump(ctx); |
306 |
} |
307 |
|
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static inline void gen_set_t(void) |
309 |
{ |
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tcg_gen_ori_i32(cpu_sr, cpu_sr, SR_T); |
311 |
} |
312 |
|
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static inline void gen_clr_t(void) |
314 |
{ |
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tcg_gen_andi_i32(cpu_sr, cpu_sr, ~SR_T); |
316 |
} |
317 |
|
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static inline void gen_cmp(int cond, TCGv t0, TCGv t1) |
319 |
{ |
320 |
int label1 = gen_new_label();
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int label2 = gen_new_label();
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tcg_gen_brcond_i32(cond, t1, t0, label1); |
323 |
gen_clr_t(); |
324 |
tcg_gen_br(label2); |
325 |
gen_set_label(label1); |
326 |
gen_set_t(); |
327 |
gen_set_label(label2); |
328 |
} |
329 |
|
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static inline void gen_cmp_imm(int cond, TCGv t0, int32_t imm) |
331 |
{ |
332 |
int label1 = gen_new_label();
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int label2 = gen_new_label();
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tcg_gen_brcondi_i32(cond, t0, imm, label1); |
335 |
gen_clr_t(); |
336 |
tcg_gen_br(label2); |
337 |
gen_set_label(label1); |
338 |
gen_set_t(); |
339 |
gen_set_label(label2); |
340 |
} |
341 |
|
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static inline void gen_store_flags(uint32_t flags) |
343 |
{ |
344 |
tcg_gen_andi_i32(cpu_flags, cpu_flags, DELAY_SLOT_TRUE); |
345 |
tcg_gen_ori_i32(cpu_flags, cpu_flags, flags); |
346 |
} |
347 |
|
348 |
#define B3_0 (ctx->opcode & 0xf) |
349 |
#define B6_4 ((ctx->opcode >> 4) & 0x7) |
350 |
#define B7_4 ((ctx->opcode >> 4) & 0xf) |
351 |
#define B7_0 (ctx->opcode & 0xff) |
352 |
#define B7_0s ((int32_t) (int8_t) (ctx->opcode & 0xff)) |
353 |
#define B11_0s (ctx->opcode & 0x800 ? 0xfffff000 | (ctx->opcode & 0xfff) : \ |
354 |
(ctx->opcode & 0xfff))
|
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#define B11_8 ((ctx->opcode >> 8) & 0xf) |
356 |
#define B15_12 ((ctx->opcode >> 12) & 0xf) |
357 |
|
358 |
#define REG(x) ((x) < 8 && (ctx->sr & (SR_MD | SR_RB)) == (SR_MD | SR_RB) ? \ |
359 |
(x) + 16 : (x))
|
360 |
|
361 |
#define ALTREG(x) ((x) < 8 && (ctx->sr & (SR_MD | SR_RB)) != (SR_MD | SR_RB) \ |
362 |
? (x) + 16 : (x))
|
363 |
|
364 |
#define FREG(x) (ctx->fpscr & FPSCR_FR ? (x) ^ 0x10 : (x)) |
365 |
#define XHACK(x) ((((x) & 1 ) << 4) | ((x) & 0xe)) |
366 |
#define XREG(x) (ctx->fpscr & FPSCR_FR ? XHACK(x) ^ 0x10 : XHACK(x)) |
367 |
#define DREG(x) FREG(x) /* Assumes lsb of (x) is always 0 */ |
368 |
|
369 |
#define CHECK_NOT_DELAY_SLOT \
|
370 |
if (ctx->flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL)) \
|
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{tcg_gen_helper_0_0(helper_raise_slot_illegal_instruction); ctx->bstate = BS_EXCP; \ |
372 |
return;}
|
373 |
|
374 |
void _decode_opc(DisasContext * ctx)
|
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{ |
376 |
#if 0
|
377 |
fprintf(stderr, "Translating opcode 0x%04x\n", ctx->opcode);
|
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#endif
|
379 |
switch (ctx->opcode) {
|
380 |
case 0x0019: /* div0u */ |
381 |
tcg_gen_andi_i32(cpu_sr, cpu_sr, ~(SR_M | SR_Q | SR_T)); |
382 |
return;
|
383 |
case 0x000b: /* rts */ |
384 |
CHECK_NOT_DELAY_SLOT |
385 |
tcg_gen_mov_i32(cpu_delayed_pc, cpu_pr); |
386 |
ctx->flags |= DELAY_SLOT; |
387 |
ctx->delayed_pc = (uint32_t) - 1;
|
388 |
return;
|
389 |
case 0x0028: /* clrmac */ |
390 |
tcg_gen_movi_i32(cpu_mach, 0);
|
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tcg_gen_movi_i32(cpu_macl, 0);
|
392 |
return;
|
393 |
case 0x0048: /* clrs */ |
394 |
tcg_gen_andi_i32(cpu_sr, cpu_sr, ~SR_S); |
395 |
return;
|
396 |
case 0x0008: /* clrt */ |
397 |
gen_clr_t(); |
398 |
return;
|
399 |
case 0x0038: /* ldtlb */ |
400 |
#if defined(CONFIG_USER_ONLY)
|
401 |
assert(0); /* XXXXX */ |
402 |
#else
|
403 |
tcg_gen_helper_0_0(helper_ldtlb); |
404 |
#endif
|
405 |
return;
|
406 |
case 0x002b: /* rte */ |
407 |
CHECK_NOT_DELAY_SLOT |
408 |
tcg_gen_mov_i32(cpu_sr, cpu_ssr); |
409 |
tcg_gen_mov_i32(cpu_delayed_pc, cpu_spc); |
410 |
ctx->flags |= DELAY_SLOT; |
411 |
ctx->delayed_pc = (uint32_t) - 1;
|
412 |
return;
|
413 |
case 0x0058: /* sets */ |
414 |
tcg_gen_ori_i32(cpu_sr, cpu_sr, SR_S); |
415 |
return;
|
416 |
case 0x0018: /* sett */ |
417 |
gen_set_t(); |
418 |
return;
|
419 |
case 0xfbfd: /* frchg */ |
420 |
tcg_gen_xori_i32(cpu_fpscr, cpu_fpscr, FPSCR_FR); |
421 |
ctx->bstate = BS_STOP; |
422 |
return;
|
423 |
case 0xf3fd: /* fschg */ |
424 |
tcg_gen_xori_i32(cpu_fpscr, cpu_fpscr, FPSCR_SZ); |
425 |
ctx->bstate = BS_STOP; |
426 |
return;
|
427 |
case 0x0009: /* nop */ |
428 |
return;
|
429 |
case 0x001b: /* sleep */ |
430 |
if (ctx->memidx) {
|
431 |
tcg_gen_helper_0_0(helper_sleep); |
432 |
} else {
|
433 |
tcg_gen_helper_0_0(helper_raise_illegal_instruction); |
434 |
ctx->bstate = BS_EXCP; |
435 |
} |
436 |
return;
|
437 |
} |
438 |
|
439 |
switch (ctx->opcode & 0xf000) { |
440 |
case 0x1000: /* mov.l Rm,@(disp,Rn) */ |
441 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
442 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
443 |
tcg_gen_addi_i32(cpu_T[1], cpu_T[1], B3_0 * 4); |
444 |
gen_op_stl_T0_T1(ctx); |
445 |
return;
|
446 |
case 0x5000: /* mov.l @(disp,Rm),Rn */ |
447 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
448 |
tcg_gen_addi_i32(cpu_T[0], cpu_T[0], B3_0 * 4); |
449 |
gen_op_ldl_T0_T0(ctx); |
450 |
tcg_gen_mov_i32(cpu_gregs[REG(B11_8)], cpu_T[0]);
|
451 |
return;
|
452 |
case 0xe000: /* mov #imm,Rn */ |
453 |
tcg_gen_movi_i32(cpu_gregs[REG(B11_8)], B7_0s); |
454 |
return;
|
455 |
case 0x9000: /* mov.w @(disp,PC),Rn */ |
456 |
tcg_gen_movi_i32(cpu_T[0], ctx->pc + 4 + B7_0 * 2); |
457 |
gen_op_ldw_T0_T0(ctx); |
458 |
tcg_gen_mov_i32(cpu_gregs[REG(B11_8)], cpu_T[0]);
|
459 |
return;
|
460 |
case 0xd000: /* mov.l @(disp,PC),Rn */ |
461 |
tcg_gen_movi_i32(cpu_T[0], (ctx->pc + 4 + B7_0 * 4) & ~3); |
462 |
gen_op_ldl_T0_T0(ctx); |
463 |
tcg_gen_mov_i32(cpu_gregs[REG(B11_8)], cpu_T[0]);
|
464 |
return;
|
465 |
case 0x7000: /* add #imm,Rn */ |
466 |
tcg_gen_addi_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], B7_0s); |
467 |
return;
|
468 |
case 0xa000: /* bra disp */ |
469 |
CHECK_NOT_DELAY_SLOT |
470 |
ctx->delayed_pc = ctx->pc + 4 + B11_0s * 2; |
471 |
tcg_gen_movi_i32(cpu_delayed_pc, ctx->delayed_pc); |
472 |
ctx->flags |= DELAY_SLOT; |
473 |
return;
|
474 |
case 0xb000: /* bsr disp */ |
475 |
CHECK_NOT_DELAY_SLOT |
476 |
tcg_gen_movi_i32(cpu_pr, ctx->pc + 4);
|
477 |
ctx->delayed_pc = ctx->pc + 4 + B11_0s * 2; |
478 |
tcg_gen_movi_i32(cpu_delayed_pc, ctx->delayed_pc); |
479 |
ctx->flags |= DELAY_SLOT; |
480 |
return;
|
481 |
} |
482 |
|
483 |
switch (ctx->opcode & 0xf00f) { |
484 |
case 0x6003: /* mov Rm,Rn */ |
485 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
486 |
tcg_gen_mov_i32(cpu_gregs[REG(B11_8)], cpu_T[0]);
|
487 |
return;
|
488 |
case 0x2000: /* mov.b Rm,@Rn */ |
489 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
490 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
491 |
gen_op_stb_T0_T1(ctx); |
492 |
return;
|
493 |
case 0x2001: /* mov.w Rm,@Rn */ |
494 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
495 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
496 |
gen_op_stw_T0_T1(ctx); |
497 |
return;
|
498 |
case 0x2002: /* mov.l Rm,@Rn */ |
499 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
500 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
501 |
gen_op_stl_T0_T1(ctx); |
502 |
return;
|
503 |
case 0x6000: /* mov.b @Rm,Rn */ |
504 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
505 |
gen_op_ldb_T0_T0(ctx); |
506 |
tcg_gen_mov_i32(cpu_gregs[REG(B11_8)], cpu_T[0]);
|
507 |
return;
|
508 |
case 0x6001: /* mov.w @Rm,Rn */ |
509 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
510 |
gen_op_ldw_T0_T0(ctx); |
511 |
tcg_gen_mov_i32(cpu_gregs[REG(B11_8)], cpu_T[0]);
|
512 |
return;
|
513 |
case 0x6002: /* mov.l @Rm,Rn */ |
514 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
515 |
gen_op_ldl_T0_T0(ctx); |
516 |
tcg_gen_mov_i32(cpu_gregs[REG(B11_8)], cpu_T[0]);
|
517 |
return;
|
518 |
case 0x2004: /* mov.b Rm,@-Rn */ |
519 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
520 |
tcg_gen_subi_i32(cpu_gregs[REG(B11_8)], |
521 |
cpu_gregs[REG(B11_8)], 1); /* modify register status */ |
522 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
523 |
tcg_gen_addi_i32(cpu_gregs[REG(B11_8)], |
524 |
cpu_gregs[REG(B11_8)], 1); /* recover register status */ |
525 |
gen_op_stb_T0_T1(ctx); /* might cause re-execution */
|
526 |
tcg_gen_subi_i32(cpu_gregs[REG(B11_8)], |
527 |
cpu_gregs[REG(B11_8)], 1); /* modify register status */ |
528 |
return;
|
529 |
case 0x2005: /* mov.w Rm,@-Rn */ |
530 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
531 |
tcg_gen_subi_i32(cpu_gregs[REG(B11_8)], |
532 |
cpu_gregs[REG(B11_8)], 2);
|
533 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
534 |
tcg_gen_addi_i32(cpu_gregs[REG(B11_8)], |
535 |
cpu_gregs[REG(B11_8)], 2);
|
536 |
gen_op_stw_T0_T1(ctx); |
537 |
tcg_gen_subi_i32(cpu_gregs[REG(B11_8)], |
538 |
cpu_gregs[REG(B11_8)], 2);
|
539 |
return;
|
540 |
case 0x2006: /* mov.l Rm,@-Rn */ |
541 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
542 |
tcg_gen_subi_i32(cpu_gregs[REG(B11_8)], |
543 |
cpu_gregs[REG(B11_8)], 4);
|
544 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
545 |
tcg_gen_addi_i32(cpu_gregs[REG(B11_8)], |
546 |
cpu_gregs[REG(B11_8)], 4);
|
547 |
gen_op_stl_T0_T1(ctx); |
548 |
tcg_gen_subi_i32(cpu_gregs[REG(B11_8)], |
549 |
cpu_gregs[REG(B11_8)], 4);
|
550 |
return;
|
551 |
case 0x6004: /* mov.b @Rm+,Rn */ |
552 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
553 |
gen_op_ldb_T0_T0(ctx); |
554 |
tcg_gen_mov_i32(cpu_gregs[REG(B11_8)], cpu_T[0]);
|
555 |
if ( B11_8 != B7_4 )
|
556 |
tcg_gen_addi_i32(cpu_gregs[REG(B7_4)], |
557 |
cpu_gregs[REG(B7_4)], 1);
|
558 |
return;
|
559 |
case 0x6005: /* mov.w @Rm+,Rn */ |
560 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
561 |
gen_op_ldw_T0_T0(ctx); |
562 |
tcg_gen_mov_i32(cpu_gregs[REG(B11_8)], cpu_T[0]);
|
563 |
if ( B11_8 != B7_4 )
|
564 |
tcg_gen_addi_i32(cpu_gregs[REG(B7_4)], |
565 |
cpu_gregs[REG(B7_4)], 2);
|
566 |
return;
|
567 |
case 0x6006: /* mov.l @Rm+,Rn */ |
568 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
569 |
gen_op_ldl_T0_T0(ctx); |
570 |
tcg_gen_mov_i32(cpu_gregs[REG(B11_8)], cpu_T[0]);
|
571 |
if ( B11_8 != B7_4 )
|
572 |
tcg_gen_addi_i32(cpu_gregs[REG(B7_4)], |
573 |
cpu_gregs[REG(B7_4)], 4);
|
574 |
return;
|
575 |
case 0x0004: /* mov.b Rm,@(R0,Rn) */ |
576 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
577 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
578 |
tcg_gen_add_i32(cpu_T[1], cpu_T[1], cpu_gregs[REG(0)]); |
579 |
gen_op_stb_T0_T1(ctx); |
580 |
return;
|
581 |
case 0x0005: /* mov.w Rm,@(R0,Rn) */ |
582 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
583 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
584 |
tcg_gen_add_i32(cpu_T[1], cpu_T[1], cpu_gregs[REG(0)]); |
585 |
gen_op_stw_T0_T1(ctx); |
586 |
return;
|
587 |
case 0x0006: /* mov.l Rm,@(R0,Rn) */ |
588 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
589 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
590 |
tcg_gen_add_i32(cpu_T[1], cpu_T[1], cpu_gregs[REG(0)]); |
591 |
gen_op_stl_T0_T1(ctx); |
592 |
return;
|
593 |
case 0x000c: /* mov.b @(R0,Rm),Rn */ |
594 |
tcg_gen_add_i32(cpu_T[0], cpu_gregs[REG(B7_4)], cpu_gregs[REG(0)]); |
595 |
gen_op_ldb_T0_T0(ctx); |
596 |
tcg_gen_mov_i32(cpu_gregs[REG(B11_8)], cpu_T[0]);
|
597 |
return;
|
598 |
case 0x000d: /* mov.w @(R0,Rm),Rn */ |
599 |
tcg_gen_add_i32(cpu_T[0], cpu_gregs[REG(B7_4)], cpu_gregs[REG(0)]); |
600 |
gen_op_ldw_T0_T0(ctx); |
601 |
tcg_gen_mov_i32(cpu_gregs[REG(B11_8)], cpu_T[0]);
|
602 |
return;
|
603 |
case 0x000e: /* mov.l @(R0,Rm),Rn */ |
604 |
tcg_gen_add_i32(cpu_T[0], cpu_gregs[REG(B7_4)], cpu_gregs[REG(0)]); |
605 |
gen_op_ldl_T0_T0(ctx); |
606 |
tcg_gen_mov_i32(cpu_gregs[REG(B11_8)], cpu_T[0]);
|
607 |
return;
|
608 |
case 0x6008: /* swap.b Rm,Rn */ |
609 |
tcg_gen_andi_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B7_4)], 0xffff0000);
|
610 |
tcg_gen_andi_i32(cpu_T[0], cpu_gregs[REG(B7_4)], 0xff); |
611 |
tcg_gen_shli_i32(cpu_T[0], cpu_T[0], 8); |
612 |
tcg_gen_or_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], cpu_T[0]);
|
613 |
tcg_gen_shri_i32(cpu_T[0], cpu_gregs[REG(B7_4)], 8); |
614 |
tcg_gen_andi_i32(cpu_T[0], cpu_T[0], 0xff); |
615 |
tcg_gen_or_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], cpu_T[0]);
|
616 |
return;
|
617 |
case 0x6009: /* swap.w Rm,Rn */ |
618 |
tcg_gen_andi_i32(cpu_T[0], cpu_gregs[REG(B7_4)], 0xffff); |
619 |
tcg_gen_shli_i32(cpu_T[0], cpu_T[0], 16); |
620 |
tcg_gen_shri_i32(cpu_T[1], cpu_gregs[REG(B7_4)], 16); |
621 |
tcg_gen_andi_i32(cpu_T[1], cpu_T[1], 0xffff); |
622 |
tcg_gen_or_i32(cpu_gregs[REG(B11_8)], cpu_T[0], cpu_T[1]); |
623 |
return;
|
624 |
case 0x200d: /* xtrct Rm,Rn */ |
625 |
tcg_gen_andi_i32(cpu_T[0], cpu_gregs[REG(B7_4)], 0xffff); |
626 |
tcg_gen_shli_i32(cpu_T[0], cpu_T[0], 16); |
627 |
tcg_gen_shri_i32(cpu_T[1], cpu_gregs[REG(B11_8)], 16); |
628 |
tcg_gen_andi_i32(cpu_T[1], cpu_T[1], 0xffff); |
629 |
tcg_gen_or_i32(cpu_gregs[REG(B11_8)], cpu_T[0], cpu_T[1]); |
630 |
return;
|
631 |
case 0x300c: /* add Rm,Rn */ |
632 |
tcg_gen_add_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], cpu_gregs[REG(B7_4)]); |
633 |
return;
|
634 |
case 0x300e: /* addc Rm,Rn */ |
635 |
tcg_gen_helper_1_2(helper_addc, cpu_gregs[REG(B11_8)], cpu_gregs[REG(B7_4)], cpu_gregs[REG(B11_8)]); |
636 |
return;
|
637 |
case 0x300f: /* addv Rm,Rn */ |
638 |
tcg_gen_helper_1_2(helper_addv, cpu_gregs[REG(B11_8)], cpu_gregs[REG(B7_4)], cpu_gregs[REG(B11_8)]); |
639 |
return;
|
640 |
case 0x2009: /* and Rm,Rn */ |
641 |
tcg_gen_and_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], cpu_gregs[REG(B7_4)]); |
642 |
return;
|
643 |
case 0x3000: /* cmp/eq Rm,Rn */ |
644 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
645 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
646 |
gen_cmp(TCG_COND_EQ, cpu_T[0], cpu_T[1]); |
647 |
return;
|
648 |
case 0x3003: /* cmp/ge Rm,Rn */ |
649 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
650 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
651 |
gen_cmp(TCG_COND_GE, cpu_T[0], cpu_T[1]); |
652 |
return;
|
653 |
case 0x3007: /* cmp/gt Rm,Rn */ |
654 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
655 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
656 |
gen_cmp(TCG_COND_GT, cpu_T[0], cpu_T[1]); |
657 |
return;
|
658 |
case 0x3006: /* cmp/hi Rm,Rn */ |
659 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
660 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
661 |
gen_cmp(TCG_COND_GTU, cpu_T[0], cpu_T[1]); |
662 |
return;
|
663 |
case 0x3002: /* cmp/hs Rm,Rn */ |
664 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
665 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
666 |
gen_cmp(TCG_COND_GEU, cpu_T[0], cpu_T[1]); |
667 |
return;
|
668 |
case 0x200c: /* cmp/str Rm,Rn */ |
669 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
670 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
671 |
gen_op_cmp_str_T0_T1(); |
672 |
return;
|
673 |
case 0x2007: /* div0s Rm,Rn */ |
674 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
675 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
676 |
gen_op_div0s_T0_T1(); |
677 |
return;
|
678 |
case 0x3004: /* div1 Rm,Rn */ |
679 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
680 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
681 |
gen_op_div1_T0_T1(); |
682 |
tcg_gen_mov_i32(cpu_gregs[REG(B11_8)], cpu_T[1]);
|
683 |
return;
|
684 |
case 0x300d: /* dmuls.l Rm,Rn */ |
685 |
{ |
686 |
TCGv tmp1 = tcg_temp_new(TCG_TYPE_I64); |
687 |
TCGv tmp2 = tcg_temp_new(TCG_TYPE_I64); |
688 |
|
689 |
tcg_gen_ext_i32_i64(tmp1, cpu_gregs[REG(B7_4)]); |
690 |
tcg_gen_ext_i32_i64(tmp2, cpu_gregs[REG(B11_8)]); |
691 |
tcg_gen_mul_i64(tmp1, tmp1, tmp2); |
692 |
tcg_gen_trunc_i64_i32(cpu_macl, tmp1); |
693 |
tcg_gen_shri_i64(tmp1, tmp1, 32);
|
694 |
tcg_gen_trunc_i64_i32(cpu_mach, tmp1); |
695 |
|
696 |
tcg_temp_free(tmp1); |
697 |
tcg_temp_free(tmp2); |
698 |
} |
699 |
return;
|
700 |
case 0x3005: /* dmulu.l Rm,Rn */ |
701 |
{ |
702 |
TCGv tmp1 = tcg_temp_new(TCG_TYPE_I64); |
703 |
TCGv tmp2 = tcg_temp_new(TCG_TYPE_I64); |
704 |
|
705 |
tcg_gen_extu_i32_i64(tmp1, cpu_gregs[REG(B7_4)]); |
706 |
tcg_gen_extu_i32_i64(tmp2, cpu_gregs[REG(B11_8)]); |
707 |
tcg_gen_mul_i64(tmp1, tmp1, tmp2); |
708 |
tcg_gen_trunc_i64_i32(cpu_macl, tmp1); |
709 |
tcg_gen_shri_i64(tmp1, tmp1, 32);
|
710 |
tcg_gen_trunc_i64_i32(cpu_mach, tmp1); |
711 |
|
712 |
tcg_temp_free(tmp1); |
713 |
tcg_temp_free(tmp2); |
714 |
} |
715 |
return;
|
716 |
case 0x600e: /* exts.b Rm,Rn */ |
717 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
718 |
tcg_gen_andi_i32(cpu_T[0], cpu_T[0], 0xff); |
719 |
tcg_gen_ext8s_i32(cpu_T[0], cpu_T[0]); |
720 |
tcg_gen_mov_i32(cpu_gregs[REG(B11_8)], cpu_T[0]);
|
721 |
return;
|
722 |
case 0x600f: /* exts.w Rm,Rn */ |
723 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
724 |
tcg_gen_andi_i32(cpu_T[0], cpu_T[0], 0xffff); |
725 |
tcg_gen_ext16s_i32(cpu_T[0], cpu_T[0]); |
726 |
tcg_gen_mov_i32(cpu_gregs[REG(B11_8)], cpu_T[0]);
|
727 |
return;
|
728 |
case 0x600c: /* extu.b Rm,Rn */ |
729 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
730 |
tcg_gen_andi_i32(cpu_T[0], cpu_T[0], 0xff); |
731 |
tcg_gen_mov_i32(cpu_gregs[REG(B11_8)], cpu_T[0]);
|
732 |
return;
|
733 |
case 0x600d: /* extu.w Rm,Rn */ |
734 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
735 |
tcg_gen_andi_i32(cpu_T[0], cpu_T[0], 0xffff); |
736 |
tcg_gen_mov_i32(cpu_gregs[REG(B11_8)], cpu_T[0]);
|
737 |
return;
|
738 |
case 0x000f: /* mac.l @Rm+,@Rn+ */ |
739 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B11_8)]);
|
740 |
gen_op_ldl_T0_T0(ctx); |
741 |
tcg_gen_mov_i32(cpu_T[1], cpu_T[0]); |
742 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
743 |
gen_op_ldl_T0_T0(ctx); |
744 |
tcg_gen_helper_0_2(helper_macl, cpu_T[0], cpu_T[1]); |
745 |
tcg_gen_addi_i32(cpu_gregs[REG(B7_4)], cpu_gregs[REG(B7_4)], 4);
|
746 |
tcg_gen_addi_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], 4);
|
747 |
return;
|
748 |
case 0x400f: /* mac.w @Rm+,@Rn+ */ |
749 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B11_8)]);
|
750 |
gen_op_ldl_T0_T0(ctx); |
751 |
tcg_gen_mov_i32(cpu_T[1], cpu_T[0]); |
752 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
753 |
gen_op_ldl_T0_T0(ctx); |
754 |
tcg_gen_helper_0_2(helper_macw, cpu_T[0], cpu_T[1]); |
755 |
tcg_gen_addi_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], 2);
|
756 |
tcg_gen_addi_i32(cpu_gregs[REG(B7_4)], cpu_gregs[REG(B7_4)], 2);
|
757 |
return;
|
758 |
case 0x0007: /* mul.l Rm,Rn */ |
759 |
tcg_gen_mul_i32(cpu_macl, cpu_gregs[REG(B7_4)], cpu_gregs[REG(B11_8)]); |
760 |
return;
|
761 |
case 0x200f: /* muls.w Rm,Rn */ |
762 |
tcg_gen_ext16s_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
763 |
tcg_gen_ext16s_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
764 |
tcg_gen_mul_i32(cpu_macl, cpu_T[0], cpu_T[1]); |
765 |
return;
|
766 |
case 0x200e: /* mulu.w Rm,Rn */ |
767 |
tcg_gen_ext16u_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
768 |
tcg_gen_ext16u_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
769 |
tcg_gen_mul_i32(cpu_macl, cpu_T[0], cpu_T[1]); |
770 |
return;
|
771 |
case 0x600b: /* neg Rm,Rn */ |
772 |
tcg_gen_neg_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B7_4)]); |
773 |
return;
|
774 |
case 0x600a: /* negc Rm,Rn */ |
775 |
tcg_gen_helper_1_1(helper_negc, cpu_gregs[REG(B11_8)], cpu_gregs[REG(B7_4)]); |
776 |
return;
|
777 |
case 0x6007: /* not Rm,Rn */ |
778 |
tcg_gen_not_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B7_4)]); |
779 |
return;
|
780 |
case 0x200b: /* or Rm,Rn */ |
781 |
tcg_gen_or_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], cpu_gregs[REG(B7_4)]); |
782 |
return;
|
783 |
case 0x400c: /* shad Rm,Rn */ |
784 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
785 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
786 |
gen_op_shad_T0_T1(); |
787 |
tcg_gen_mov_i32(cpu_gregs[REG(B11_8)], cpu_T[1]);
|
788 |
return;
|
789 |
case 0x400d: /* shld Rm,Rn */ |
790 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
791 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
792 |
gen_op_shld_T0_T1(); |
793 |
tcg_gen_mov_i32(cpu_gregs[REG(B11_8)], cpu_T[1]);
|
794 |
return;
|
795 |
case 0x3008: /* sub Rm,Rn */ |
796 |
tcg_gen_sub_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], cpu_gregs[REG(B7_4)]); |
797 |
return;
|
798 |
case 0x300a: /* subc Rm,Rn */ |
799 |
tcg_gen_helper_1_2(helper_subc, cpu_gregs[REG(B11_8)], cpu_gregs[REG(B7_4)], cpu_gregs[REG(B11_8)]); |
800 |
return;
|
801 |
case 0x300b: /* subv Rm,Rn */ |
802 |
tcg_gen_helper_1_2(helper_subv, cpu_gregs[REG(B11_8)], cpu_gregs[REG(B7_4)], cpu_gregs[REG(B11_8)]); |
803 |
return;
|
804 |
case 0x2008: /* tst Rm,Rn */ |
805 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
806 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
807 |
tcg_gen_and_i32(cpu_T[0], cpu_T[0], cpu_T[1]); |
808 |
gen_cmp_imm(TCG_COND_EQ, cpu_T[0], 0); |
809 |
return;
|
810 |
case 0x200a: /* xor Rm,Rn */ |
811 |
tcg_gen_xor_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], cpu_gregs[REG(B7_4)]); |
812 |
return;
|
813 |
case 0xf00c: /* fmov {F,D,X}Rm,{F,D,X}Rn - FPSCR: Nothing */ |
814 |
if (ctx->fpscr & FPSCR_SZ) {
|
815 |
gen_op_fmov_drN_DT0(XREG(B7_4)); |
816 |
gen_op_fmov_DT0_drN(XREG(B11_8)); |
817 |
} else {
|
818 |
gen_op_fmov_frN_FT0(FREG(B7_4)); |
819 |
gen_op_fmov_FT0_frN(FREG(B11_8)); |
820 |
} |
821 |
return;
|
822 |
case 0xf00a: /* fmov {F,D,X}Rm,@Rn - FPSCR: Nothing */ |
823 |
if (ctx->fpscr & FPSCR_SZ) {
|
824 |
gen_op_fmov_drN_DT0(XREG(B7_4)); |
825 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
826 |
gen_op_stfq_DT0_T1(ctx); |
827 |
} else {
|
828 |
gen_op_fmov_frN_FT0(FREG(B7_4)); |
829 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
830 |
gen_op_stfl_FT0_T1(ctx); |
831 |
} |
832 |
return;
|
833 |
case 0xf008: /* fmov @Rm,{F,D,X}Rn - FPSCR: Nothing */ |
834 |
if (ctx->fpscr & FPSCR_SZ) {
|
835 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
836 |
gen_op_ldfq_T0_DT0(ctx); |
837 |
gen_op_fmov_DT0_drN(XREG(B11_8)); |
838 |
} else {
|
839 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
840 |
gen_op_ldfl_T0_FT0(ctx); |
841 |
gen_op_fmov_FT0_frN(FREG(B11_8)); |
842 |
} |
843 |
return;
|
844 |
case 0xf009: /* fmov @Rm+,{F,D,X}Rn - FPSCR: Nothing */ |
845 |
if (ctx->fpscr & FPSCR_SZ) {
|
846 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
847 |
gen_op_ldfq_T0_DT0(ctx); |
848 |
gen_op_fmov_DT0_drN(XREG(B11_8)); |
849 |
tcg_gen_addi_i32(cpu_gregs[REG(B7_4)], |
850 |
cpu_gregs[REG(B7_4)], 8);
|
851 |
} else {
|
852 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
853 |
gen_op_ldfl_T0_FT0(ctx); |
854 |
gen_op_fmov_FT0_frN(FREG(B11_8)); |
855 |
tcg_gen_addi_i32(cpu_gregs[REG(B7_4)], |
856 |
cpu_gregs[REG(B7_4)], 4);
|
857 |
} |
858 |
return;
|
859 |
case 0xf00b: /* fmov {F,D,X}Rm,@-Rn - FPSCR: Nothing */ |
860 |
if (ctx->fpscr & FPSCR_SZ) {
|
861 |
tcg_gen_subi_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], 8);
|
862 |
gen_op_fmov_drN_DT0(XREG(B7_4)); |
863 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
864 |
tcg_gen_addi_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], 8);
|
865 |
gen_op_stfq_DT0_T1(ctx); |
866 |
tcg_gen_subi_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], 8);
|
867 |
} else {
|
868 |
tcg_gen_subi_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], 4);
|
869 |
gen_op_fmov_frN_FT0(FREG(B7_4)); |
870 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
871 |
tcg_gen_addi_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], 4);
|
872 |
gen_op_stfl_FT0_T1(ctx); |
873 |
tcg_gen_subi_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], 4);
|
874 |
} |
875 |
return;
|
876 |
case 0xf006: /* fmov @(R0,Rm),{F,D,X}Rm - FPSCR: Nothing */ |
877 |
tcg_gen_add_i32(cpu_T[0], cpu_gregs[REG(B7_4)], cpu_gregs[REG(0)]); |
878 |
if (ctx->fpscr & FPSCR_SZ) {
|
879 |
gen_op_ldfq_T0_DT0(ctx); |
880 |
gen_op_fmov_DT0_drN(XREG(B11_8)); |
881 |
} else {
|
882 |
gen_op_ldfl_T0_FT0(ctx); |
883 |
gen_op_fmov_FT0_frN(FREG(B11_8)); |
884 |
} |
885 |
return;
|
886 |
case 0xf007: /* fmov {F,D,X}Rn,@(R0,Rn) - FPSCR: Nothing */ |
887 |
if (ctx->fpscr & FPSCR_SZ) {
|
888 |
gen_op_fmov_drN_DT0(XREG(B7_4)); |
889 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
890 |
tcg_gen_add_i32(cpu_T[1], cpu_T[1], cpu_gregs[REG(0)]); |
891 |
gen_op_stfq_DT0_T1(ctx); |
892 |
} else {
|
893 |
gen_op_fmov_frN_FT0(FREG(B7_4)); |
894 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
895 |
tcg_gen_add_i32(cpu_T[1], cpu_T[1], cpu_gregs[REG(0)]); |
896 |
gen_op_stfl_FT0_T1(ctx); |
897 |
} |
898 |
return;
|
899 |
case 0xf000: /* fadd Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */ |
900 |
case 0xf001: /* fsub Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */ |
901 |
case 0xf002: /* fmul Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */ |
902 |
case 0xf003: /* fdiv Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */ |
903 |
case 0xf004: /* fcmp/eq Rm,Rn - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */ |
904 |
case 0xf005: /* fcmp/gt Rm,Rn - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */ |
905 |
if (ctx->fpscr & FPSCR_PR) {
|
906 |
if (ctx->opcode & 0x0110) |
907 |
break; /* illegal instruction */ |
908 |
gen_op_fmov_drN_DT1(DREG(B7_4)); |
909 |
gen_op_fmov_drN_DT0(DREG(B11_8)); |
910 |
} |
911 |
else {
|
912 |
gen_op_fmov_frN_FT1(FREG(B7_4)); |
913 |
gen_op_fmov_frN_FT0(FREG(B11_8)); |
914 |
} |
915 |
|
916 |
switch (ctx->opcode & 0xf00f) { |
917 |
case 0xf000: /* fadd Rm,Rn */ |
918 |
ctx->fpscr & FPSCR_PR ? gen_op_fadd_DT() : gen_op_fadd_FT(); |
919 |
break;
|
920 |
case 0xf001: /* fsub Rm,Rn */ |
921 |
ctx->fpscr & FPSCR_PR ? gen_op_fsub_DT() : gen_op_fsub_FT(); |
922 |
break;
|
923 |
case 0xf002: /* fmul Rm,Rn */ |
924 |
ctx->fpscr & FPSCR_PR ? gen_op_fmul_DT() : gen_op_fmul_FT(); |
925 |
break;
|
926 |
case 0xf003: /* fdiv Rm,Rn */ |
927 |
ctx->fpscr & FPSCR_PR ? gen_op_fdiv_DT() : gen_op_fdiv_FT(); |
928 |
break;
|
929 |
case 0xf004: /* fcmp/eq Rm,Rn */ |
930 |
ctx->fpscr & FPSCR_PR ? gen_op_fcmp_eq_DT() : gen_op_fcmp_eq_FT(); |
931 |
return;
|
932 |
case 0xf005: /* fcmp/gt Rm,Rn */ |
933 |
ctx->fpscr & FPSCR_PR ? gen_op_fcmp_gt_DT() : gen_op_fcmp_gt_FT(); |
934 |
return;
|
935 |
} |
936 |
|
937 |
if (ctx->fpscr & FPSCR_PR) {
|
938 |
gen_op_fmov_DT0_drN(DREG(B11_8)); |
939 |
} |
940 |
else {
|
941 |
gen_op_fmov_FT0_frN(FREG(B11_8)); |
942 |
} |
943 |
return;
|
944 |
} |
945 |
|
946 |
switch (ctx->opcode & 0xff00) { |
947 |
case 0xc900: /* and #imm,R0 */ |
948 |
tcg_gen_andi_i32(cpu_gregs[REG(0)], cpu_gregs[REG(0)], B7_0); |
949 |
return;
|
950 |
case 0xcd00: /* and.b #imm,@(R0,GBR) */ |
951 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(0)]); |
952 |
tcg_gen_add_i32(cpu_T[0], cpu_T[0], cpu_gbr); |
953 |
tcg_gen_mov_i32(cpu_T[1], cpu_T[0]); |
954 |
gen_op_ldub_T0_T0(ctx); |
955 |
tcg_gen_andi_i32(cpu_T[0], cpu_T[0], B7_0); |
956 |
gen_op_stb_T0_T1(ctx); |
957 |
return;
|
958 |
case 0x8b00: /* bf label */ |
959 |
CHECK_NOT_DELAY_SLOT |
960 |
gen_conditional_jump(ctx, ctx->pc + 2,
|
961 |
ctx->pc + 4 + B7_0s * 2); |
962 |
ctx->bstate = BS_BRANCH; |
963 |
return;
|
964 |
case 0x8f00: /* bf/s label */ |
965 |
CHECK_NOT_DELAY_SLOT |
966 |
gen_branch_slot(ctx->delayed_pc = ctx->pc + 4 + B7_0s * 2, 0); |
967 |
ctx->flags |= DELAY_SLOT_CONDITIONAL; |
968 |
return;
|
969 |
case 0x8900: /* bt label */ |
970 |
CHECK_NOT_DELAY_SLOT |
971 |
gen_conditional_jump(ctx, ctx->pc + 4 + B7_0s * 2, |
972 |
ctx->pc + 2);
|
973 |
ctx->bstate = BS_BRANCH; |
974 |
return;
|
975 |
case 0x8d00: /* bt/s label */ |
976 |
CHECK_NOT_DELAY_SLOT |
977 |
gen_branch_slot(ctx->delayed_pc = ctx->pc + 4 + B7_0s * 2, 1); |
978 |
ctx->flags |= DELAY_SLOT_CONDITIONAL; |
979 |
return;
|
980 |
case 0x8800: /* cmp/eq #imm,R0 */ |
981 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(0)]); |
982 |
gen_cmp_imm(TCG_COND_EQ, cpu_T[0], B7_0s);
|
983 |
return;
|
984 |
case 0xc400: /* mov.b @(disp,GBR),R0 */ |
985 |
gen_op_stc_gbr_T0(); |
986 |
tcg_gen_addi_i32(cpu_T[0], cpu_T[0], B7_0); |
987 |
gen_op_ldb_T0_T0(ctx); |
988 |
tcg_gen_mov_i32(cpu_gregs[REG(0)], cpu_T[0]); |
989 |
return;
|
990 |
case 0xc500: /* mov.w @(disp,GBR),R0 */ |
991 |
gen_op_stc_gbr_T0(); |
992 |
tcg_gen_addi_i32(cpu_T[0], cpu_T[0], B7_0 * 2); |
993 |
gen_op_ldw_T0_T0(ctx); |
994 |
tcg_gen_mov_i32(cpu_gregs[REG(0)], cpu_T[0]); |
995 |
return;
|
996 |
case 0xc600: /* mov.l @(disp,GBR),R0 */ |
997 |
gen_op_stc_gbr_T0(); |
998 |
tcg_gen_addi_i32(cpu_T[0], cpu_T[0], B7_0 * 4); |
999 |
gen_op_ldl_T0_T0(ctx); |
1000 |
tcg_gen_mov_i32(cpu_gregs[REG(0)], cpu_T[0]); |
1001 |
return;
|
1002 |
case 0xc000: /* mov.b R0,@(disp,GBR) */ |
1003 |
gen_op_stc_gbr_T0(); |
1004 |
tcg_gen_addi_i32(cpu_T[0], cpu_T[0], B7_0); |
1005 |
tcg_gen_mov_i32(cpu_T[1], cpu_T[0]); |
1006 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(0)]); |
1007 |
gen_op_stb_T0_T1(ctx); |
1008 |
return;
|
1009 |
case 0xc100: /* mov.w R0,@(disp,GBR) */ |
1010 |
gen_op_stc_gbr_T0(); |
1011 |
tcg_gen_addi_i32(cpu_T[0], cpu_T[0], B7_0 * 2); |
1012 |
tcg_gen_mov_i32(cpu_T[1], cpu_T[0]); |
1013 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(0)]); |
1014 |
gen_op_stw_T0_T1(ctx); |
1015 |
return;
|
1016 |
case 0xc200: /* mov.l R0,@(disp,GBR) */ |
1017 |
gen_op_stc_gbr_T0(); |
1018 |
tcg_gen_addi_i32(cpu_T[0], cpu_T[0], B7_0 * 4); |
1019 |
tcg_gen_mov_i32(cpu_T[1], cpu_T[0]); |
1020 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(0)]); |
1021 |
gen_op_stl_T0_T1(ctx); |
1022 |
return;
|
1023 |
case 0x8000: /* mov.b R0,@(disp,Rn) */ |
1024 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(0)]); |
1025 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B7_4)]);
|
1026 |
tcg_gen_addi_i32(cpu_T[1], cpu_T[1], B3_0); |
1027 |
gen_op_stb_T0_T1(ctx); |
1028 |
return;
|
1029 |
case 0x8100: /* mov.w R0,@(disp,Rn) */ |
1030 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(0)]); |
1031 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B7_4)]);
|
1032 |
tcg_gen_addi_i32(cpu_T[1], cpu_T[1], B3_0 * 2); |
1033 |
gen_op_stw_T0_T1(ctx); |
1034 |
return;
|
1035 |
case 0x8400: /* mov.b @(disp,Rn),R0 */ |
1036 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
1037 |
tcg_gen_addi_i32(cpu_T[0], cpu_T[0], B3_0); |
1038 |
gen_op_ldb_T0_T0(ctx); |
1039 |
tcg_gen_mov_i32(cpu_gregs[REG(0)], cpu_T[0]); |
1040 |
return;
|
1041 |
case 0x8500: /* mov.w @(disp,Rn),R0 */ |
1042 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B7_4)]);
|
1043 |
tcg_gen_addi_i32(cpu_T[0], cpu_T[0], B3_0 * 2); |
1044 |
gen_op_ldw_T0_T0(ctx); |
1045 |
tcg_gen_mov_i32(cpu_gregs[REG(0)], cpu_T[0]); |
1046 |
return;
|
1047 |
case 0xc700: /* mova @(disp,PC),R0 */ |
1048 |
tcg_gen_movi_i32(cpu_gregs[REG(0)],
|
1049 |
((ctx->pc & 0xfffffffc) + 4 + B7_0 * 4) & ~3); |
1050 |
return;
|
1051 |
case 0xcb00: /* or #imm,R0 */ |
1052 |
tcg_gen_ori_i32(cpu_gregs[REG(0)], cpu_gregs[REG(0)], B7_0); |
1053 |
return;
|
1054 |
case 0xcf00: /* or.b #imm,@(R0,GBR) */ |
1055 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(0)]); |
1056 |
tcg_gen_add_i32(cpu_T[0], cpu_T[0], cpu_gbr); |
1057 |
tcg_gen_mov_i32(cpu_T[0], cpu_T[1]); |
1058 |
gen_op_ldub_T0_T0(ctx); |
1059 |
tcg_gen_ori_i32(cpu_T[0], cpu_T[0], B7_0); |
1060 |
gen_op_stb_T0_T1(ctx); |
1061 |
return;
|
1062 |
case 0xc300: /* trapa #imm */ |
1063 |
CHECK_NOT_DELAY_SLOT |
1064 |
tcg_gen_movi_i32(cpu_pc, ctx->pc); |
1065 |
tcg_gen_movi_i32(cpu_T[0], B7_0);
|
1066 |
tcg_gen_helper_0_1(helper_trapa, cpu_T[0]);
|
1067 |
ctx->bstate = BS_BRANCH; |
1068 |
return;
|
1069 |
case 0xc800: /* tst #imm,R0 */ |
1070 |
tcg_gen_andi_i32(cpu_T[0], cpu_gregs[REG(0)], B7_0); |
1071 |
gen_cmp_imm(TCG_COND_EQ, cpu_T[0], 0); |
1072 |
return;
|
1073 |
case 0xcc00: /* tst.b #imm,@(R0,GBR) */ |
1074 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(0)]); |
1075 |
tcg_gen_add_i32(cpu_T[0], cpu_T[0], cpu_gbr); |
1076 |
gen_op_ldub_T0_T0(ctx); |
1077 |
tcg_gen_andi_i32(cpu_T[0], cpu_T[0], B7_0); |
1078 |
gen_cmp_imm(TCG_COND_EQ, cpu_T[0], 0); |
1079 |
return;
|
1080 |
case 0xca00: /* xor #imm,R0 */ |
1081 |
tcg_gen_xori_i32(cpu_gregs[REG(0)], cpu_gregs[REG(0)], B7_0); |
1082 |
return;
|
1083 |
case 0xce00: /* xor.b #imm,@(R0,GBR) */ |
1084 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(0)]); |
1085 |
tcg_gen_add_i32(cpu_T[0], cpu_T[0], cpu_gbr); |
1086 |
tcg_gen_mov_i32(cpu_T[1], cpu_T[0]); |
1087 |
gen_op_ldub_T0_T0(ctx); |
1088 |
tcg_gen_xori_i32(cpu_T[0], cpu_T[0], B7_0); |
1089 |
gen_op_stb_T0_T1(ctx); |
1090 |
return;
|
1091 |
} |
1092 |
|
1093 |
switch (ctx->opcode & 0xf08f) { |
1094 |
case 0x408e: /* ldc Rm,Rn_BANK */ |
1095 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B11_8)]);
|
1096 |
tcg_gen_mov_i32(cpu_gregs[ALTREG(B6_4)], cpu_T[0]);
|
1097 |
return;
|
1098 |
case 0x4087: /* ldc.l @Rm+,Rn_BANK */ |
1099 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B11_8)]);
|
1100 |
gen_op_ldl_T0_T0(ctx); |
1101 |
tcg_gen_mov_i32(cpu_gregs[ALTREG(B6_4)], cpu_T[0]);
|
1102 |
tcg_gen_addi_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], 4);
|
1103 |
return;
|
1104 |
case 0x0082: /* stc Rm_BANK,Rn */ |
1105 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[ALTREG(B6_4)]);
|
1106 |
tcg_gen_mov_i32(cpu_gregs[REG(B11_8)], cpu_T[0]);
|
1107 |
return;
|
1108 |
case 0x4083: /* stc.l Rm_BANK,@-Rn */ |
1109 |
tcg_gen_subi_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], 4);
|
1110 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
1111 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[ALTREG(B6_4)]);
|
1112 |
tcg_gen_addi_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], 4);
|
1113 |
gen_op_stl_T0_T1(ctx); |
1114 |
tcg_gen_subi_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], 4);
|
1115 |
return;
|
1116 |
} |
1117 |
|
1118 |
switch (ctx->opcode & 0xf0ff) { |
1119 |
case 0x0023: /* braf Rn */ |
1120 |
CHECK_NOT_DELAY_SLOT tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B11_8)]);
|
1121 |
tcg_gen_addi_i32(cpu_delayed_pc, cpu_T[0], ctx->pc + 4); |
1122 |
ctx->flags |= DELAY_SLOT; |
1123 |
ctx->delayed_pc = (uint32_t) - 1;
|
1124 |
return;
|
1125 |
case 0x0003: /* bsrf Rn */ |
1126 |
CHECK_NOT_DELAY_SLOT tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B11_8)]);
|
1127 |
tcg_gen_movi_i32(cpu_pr, ctx->pc + 4);
|
1128 |
tcg_gen_add_i32(cpu_delayed_pc, cpu_T[0], cpu_pr);
|
1129 |
ctx->flags |= DELAY_SLOT; |
1130 |
ctx->delayed_pc = (uint32_t) - 1;
|
1131 |
return;
|
1132 |
case 0x4015: /* cmp/pl Rn */ |
1133 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B11_8)]);
|
1134 |
gen_cmp_imm(TCG_COND_GT, cpu_T[0], 0); |
1135 |
return;
|
1136 |
case 0x4011: /* cmp/pz Rn */ |
1137 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B11_8)]);
|
1138 |
gen_cmp_imm(TCG_COND_GE, cpu_T[0], 0); |
1139 |
return;
|
1140 |
case 0x4010: /* dt Rn */ |
1141 |
tcg_gen_subi_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], 1);
|
1142 |
gen_cmp_imm(TCG_COND_EQ, cpu_gregs[REG(B11_8)], 0);
|
1143 |
return;
|
1144 |
case 0x402b: /* jmp @Rn */ |
1145 |
CHECK_NOT_DELAY_SLOT tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B11_8)]);
|
1146 |
tcg_gen_mov_i32(cpu_delayed_pc, cpu_T[0]);
|
1147 |
ctx->flags |= DELAY_SLOT; |
1148 |
ctx->delayed_pc = (uint32_t) - 1;
|
1149 |
return;
|
1150 |
case 0x400b: /* jsr @Rn */ |
1151 |
CHECK_NOT_DELAY_SLOT tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B11_8)]);
|
1152 |
tcg_gen_movi_i32(cpu_pr, ctx->pc + 4);
|
1153 |
tcg_gen_mov_i32(cpu_delayed_pc, cpu_T[0]);
|
1154 |
ctx->flags |= DELAY_SLOT; |
1155 |
ctx->delayed_pc = (uint32_t) - 1;
|
1156 |
return;
|
1157 |
#define LDST(reg,ldnum,ldpnum,ldop,stnum,stpnum,stop,extrald) \
|
1158 |
case ldnum: \
|
1159 |
tcg_gen_mov_i32 (cpu_T[0], cpu_gregs[REG(B11_8)]); \
|
1160 |
gen_op_##ldop##_T0_##reg (); \ |
1161 |
extrald \ |
1162 |
return; \
|
1163 |
case ldpnum: \
|
1164 |
tcg_gen_mov_i32 (cpu_T[0], cpu_gregs[REG(B11_8)]); \
|
1165 |
gen_op_ldl_T0_T0 (ctx); \ |
1166 |
tcg_gen_addi_i32(cpu_gregs[REG(B11_8)], \ |
1167 |
cpu_gregs[REG(B11_8)], 4); \
|
1168 |
gen_op_##ldop##_T0_##reg (); \ |
1169 |
extrald \ |
1170 |
return; \
|
1171 |
case stnum: \
|
1172 |
gen_op_##stop##_##reg##_T0 (); \ |
1173 |
tcg_gen_mov_i32 (cpu_gregs[REG(B11_8)], cpu_T[0]); \
|
1174 |
return; \
|
1175 |
case stpnum: \
|
1176 |
gen_op_##stop##_##reg##_T0 (); \ |
1177 |
tcg_gen_subi_i32(cpu_gregs[REG(B11_8)], \ |
1178 |
cpu_gregs[REG(B11_8)], 4); \
|
1179 |
tcg_gen_mov_i32 (cpu_T[1], cpu_gregs[REG(B11_8)]); \
|
1180 |
tcg_gen_addi_i32(cpu_gregs[REG(B11_8)], \ |
1181 |
cpu_gregs[REG(B11_8)], 4); \
|
1182 |
gen_op_stl_T0_T1 (ctx); \ |
1183 |
tcg_gen_subi_i32(cpu_gregs[REG(B11_8)], \ |
1184 |
cpu_gregs[REG(B11_8)], 4); \
|
1185 |
return;
|
1186 |
LDST(sr, 0x400e, 0x4007, ldc, 0x0002, 0x4003, stc, ctx->bstate = |
1187 |
BS_STOP;) |
1188 |
LDST(gbr, 0x401e, 0x4017, ldc, 0x0012, 0x4013, stc,) |
1189 |
LDST(vbr, 0x402e, 0x4027, ldc, 0x0022, 0x4023, stc,) |
1190 |
LDST(ssr, 0x403e, 0x4037, ldc, 0x0032, 0x4033, stc,) |
1191 |
LDST(spc, 0x404e, 0x4047, ldc, 0x0042, 0x4043, stc,) |
1192 |
LDST(dbr, 0x40fa, 0x40f6, ldc, 0x00fa, 0x40f2, stc,) |
1193 |
LDST(mach, 0x400a, 0x4006, lds, 0x000a, 0x4002, sts,) |
1194 |
LDST(macl, 0x401a, 0x4016, lds, 0x001a, 0x4012, sts,) |
1195 |
LDST(pr, 0x402a, 0x4026, lds, 0x002a, 0x4022, sts,) |
1196 |
LDST(fpul, 0x405a, 0x4056, lds, 0x005a, 0x4052, sts,) |
1197 |
LDST(fpscr, 0x406a, 0x4066, lds, 0x006a, 0x4062, sts, ctx->bstate = |
1198 |
BS_STOP;) |
1199 |
case 0x00c3: /* movca.l R0,@Rm */ |
1200 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(0)]); |
1201 |
tcg_gen_mov_i32(cpu_T[1], cpu_gregs[REG(B11_8)]);
|
1202 |
gen_op_stl_T0_T1(ctx); |
1203 |
return;
|
1204 |
case 0x0029: /* movt Rn */ |
1205 |
tcg_gen_andi_i32(cpu_gregs[REG(B11_8)], cpu_sr, SR_T); |
1206 |
return;
|
1207 |
case 0x0093: /* ocbi @Rn */ |
1208 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B11_8)]);
|
1209 |
gen_op_ldl_T0_T0(ctx); |
1210 |
return;
|
1211 |
case 0x00a3: /* ocbp @Rn */ |
1212 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B11_8)]);
|
1213 |
gen_op_ldl_T0_T0(ctx); |
1214 |
return;
|
1215 |
case 0x00b3: /* ocbwb @Rn */ |
1216 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B11_8)]);
|
1217 |
gen_op_ldl_T0_T0(ctx); |
1218 |
return;
|
1219 |
case 0x0083: /* pref @Rn */ |
1220 |
return;
|
1221 |
case 0x4024: /* rotcl Rn */ |
1222 |
gen_op_rotcl_Rn(REG(B11_8)); |
1223 |
return;
|
1224 |
case 0x4025: /* rotcr Rn */ |
1225 |
gen_op_rotcr_Rn(REG(B11_8)); |
1226 |
return;
|
1227 |
case 0x4004: /* rotl Rn */ |
1228 |
gen_op_rotl_Rn(REG(B11_8)); |
1229 |
return;
|
1230 |
case 0x4005: /* rotr Rn */ |
1231 |
gen_op_rotr_Rn(REG(B11_8)); |
1232 |
return;
|
1233 |
case 0x4000: /* shll Rn */ |
1234 |
case 0x4020: /* shal Rn */ |
1235 |
gen_op_shal_Rn(REG(B11_8)); |
1236 |
return;
|
1237 |
case 0x4021: /* shar Rn */ |
1238 |
gen_op_shar_Rn(REG(B11_8)); |
1239 |
return;
|
1240 |
case 0x4001: /* shlr Rn */ |
1241 |
gen_op_shlr_Rn(REG(B11_8)); |
1242 |
return;
|
1243 |
case 0x4008: /* shll2 Rn */ |
1244 |
tcg_gen_shli_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], 2);
|
1245 |
return;
|
1246 |
case 0x4018: /* shll8 Rn */ |
1247 |
tcg_gen_shli_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], 8);
|
1248 |
return;
|
1249 |
case 0x4028: /* shll16 Rn */ |
1250 |
tcg_gen_shli_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], 16);
|
1251 |
return;
|
1252 |
case 0x4009: /* shlr2 Rn */ |
1253 |
tcg_gen_shri_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], 2);
|
1254 |
return;
|
1255 |
case 0x4019: /* shlr8 Rn */ |
1256 |
tcg_gen_shri_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], 8);
|
1257 |
return;
|
1258 |
case 0x4029: /* shlr16 Rn */ |
1259 |
tcg_gen_shri_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], 16);
|
1260 |
return;
|
1261 |
case 0x401b: /* tas.b @Rn */ |
1262 |
tcg_gen_mov_i32(cpu_T[0], cpu_gregs[REG(B11_8)]);
|
1263 |
tcg_gen_mov_i32(cpu_T[1], cpu_T[0]); |
1264 |
gen_op_ldub_T0_T0(ctx); |
1265 |
gen_cmp_imm(TCG_COND_EQ, cpu_T[0], 0); |
1266 |
tcg_gen_ori_i32(cpu_T[0], cpu_T[0], 0x80); |
1267 |
gen_op_stb_T0_T1(ctx); |
1268 |
return;
|
1269 |
case 0xf00d: /* fsts FPUL,FRn - FPSCR: Nothing */ |
1270 |
gen_op_movl_fpul_FT0(); |
1271 |
gen_op_fmov_FT0_frN(FREG(B11_8)); |
1272 |
return;
|
1273 |
case 0xf01d: /* flds FRm,FPUL - FPSCR: Nothing */ |
1274 |
gen_op_fmov_frN_FT0(FREG(B11_8)); |
1275 |
gen_op_movl_FT0_fpul(); |
1276 |
return;
|
1277 |
case 0xf02d: /* float FPUL,FRn/DRn - FPSCR: R[PR,Enable.I]/W[Cause,Flag] */ |
1278 |
if (ctx->fpscr & FPSCR_PR) {
|
1279 |
if (ctx->opcode & 0x0100) |
1280 |
break; /* illegal instruction */ |
1281 |
gen_op_float_DT(); |
1282 |
gen_op_fmov_DT0_drN(DREG(B11_8)); |
1283 |
} |
1284 |
else {
|
1285 |
gen_op_float_FT(); |
1286 |
gen_op_fmov_FT0_frN(FREG(B11_8)); |
1287 |
} |
1288 |
return;
|
1289 |
case 0xf03d: /* ftrc FRm/DRm,FPUL - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */ |
1290 |
if (ctx->fpscr & FPSCR_PR) {
|
1291 |
if (ctx->opcode & 0x0100) |
1292 |
break; /* illegal instruction */ |
1293 |
gen_op_fmov_drN_DT0(DREG(B11_8)); |
1294 |
gen_op_ftrc_DT(); |
1295 |
} |
1296 |
else {
|
1297 |
gen_op_fmov_frN_FT0(FREG(B11_8)); |
1298 |
gen_op_ftrc_FT(); |
1299 |
} |
1300 |
return;
|
1301 |
case 0xf04d: /* fneg FRn/DRn - FPSCR: Nothing */ |
1302 |
gen_op_fneg_frN(FREG(B11_8)); |
1303 |
return;
|
1304 |
case 0xf05d: /* fabs FRn/DRn */ |
1305 |
if (ctx->fpscr & FPSCR_PR) {
|
1306 |
if (ctx->opcode & 0x0100) |
1307 |
break; /* illegal instruction */ |
1308 |
gen_op_fmov_drN_DT0(DREG(B11_8)); |
1309 |
gen_op_fabs_DT(); |
1310 |
gen_op_fmov_DT0_drN(DREG(B11_8)); |
1311 |
} else {
|
1312 |
gen_op_fmov_frN_FT0(FREG(B11_8)); |
1313 |
gen_op_fabs_FT(); |
1314 |
gen_op_fmov_FT0_frN(FREG(B11_8)); |
1315 |
} |
1316 |
return;
|
1317 |
case 0xf06d: /* fsqrt FRn */ |
1318 |
if (ctx->fpscr & FPSCR_PR) {
|
1319 |
if (ctx->opcode & 0x0100) |
1320 |
break; /* illegal instruction */ |
1321 |
gen_op_fmov_drN_DT0(FREG(B11_8)); |
1322 |
gen_op_fsqrt_DT(); |
1323 |
gen_op_fmov_DT0_drN(FREG(B11_8)); |
1324 |
} else {
|
1325 |
gen_op_fmov_frN_FT0(FREG(B11_8)); |
1326 |
gen_op_fsqrt_FT(); |
1327 |
gen_op_fmov_FT0_frN(FREG(B11_8)); |
1328 |
} |
1329 |
return;
|
1330 |
case 0xf07d: /* fsrra FRn */ |
1331 |
break;
|
1332 |
case 0xf08d: /* fldi0 FRn - FPSCR: R[PR] */ |
1333 |
if (!(ctx->fpscr & FPSCR_PR)) {
|
1334 |
tcg_gen_movi_i32(cpu_T[0], 0); |
1335 |
gen_op_fmov_T0_frN(FREG(B11_8)); |
1336 |
return;
|
1337 |
} |
1338 |
break;
|
1339 |
case 0xf09d: /* fldi1 FRn - FPSCR: R[PR] */ |
1340 |
if (!(ctx->fpscr & FPSCR_PR)) {
|
1341 |
tcg_gen_movi_i32(cpu_T[0], 0x3f800000); |
1342 |
gen_op_fmov_T0_frN(FREG(B11_8)); |
1343 |
return;
|
1344 |
} |
1345 |
break;
|
1346 |
case 0xf0ad: /* fcnvsd FPUL,DRn */ |
1347 |
gen_op_movl_fpul_FT0(); |
1348 |
gen_op_fcnvsd_FT_DT(); |
1349 |
gen_op_fmov_DT0_drN(DREG(B11_8)); |
1350 |
return;
|
1351 |
case 0xf0bd: /* fcnvds DRn,FPUL */ |
1352 |
gen_op_fmov_drN_DT0(DREG(B11_8)); |
1353 |
gen_op_fcnvds_DT_FT(); |
1354 |
gen_op_movl_FT0_fpul(); |
1355 |
return;
|
1356 |
} |
1357 |
|
1358 |
fprintf(stderr, "unknown instruction 0x%04x at pc 0x%08x\n",
|
1359 |
ctx->opcode, ctx->pc); |
1360 |
tcg_gen_helper_0_0(helper_raise_illegal_instruction); |
1361 |
ctx->bstate = BS_EXCP; |
1362 |
} |
1363 |
|
1364 |
void decode_opc(DisasContext * ctx)
|
1365 |
{ |
1366 |
uint32_t old_flags = ctx->flags; |
1367 |
|
1368 |
_decode_opc(ctx); |
1369 |
|
1370 |
if (old_flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL)) {
|
1371 |
if (ctx->flags & DELAY_SLOT_CLEARME) {
|
1372 |
gen_store_flags(0);
|
1373 |
} else {
|
1374 |
/* go out of the delay slot */
|
1375 |
uint32_t new_flags = ctx->flags; |
1376 |
new_flags &= ~(DELAY_SLOT | DELAY_SLOT_CONDITIONAL); |
1377 |
gen_store_flags(new_flags); |
1378 |
} |
1379 |
ctx->flags = 0;
|
1380 |
ctx->bstate = BS_BRANCH; |
1381 |
if (old_flags & DELAY_SLOT_CONDITIONAL) {
|
1382 |
gen_delayed_conditional_jump(ctx); |
1383 |
} else if (old_flags & DELAY_SLOT) { |
1384 |
gen_jump(ctx); |
1385 |
} |
1386 |
|
1387 |
} |
1388 |
|
1389 |
/* go into a delay slot */
|
1390 |
if (ctx->flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL))
|
1391 |
gen_store_flags(ctx->flags); |
1392 |
} |
1393 |
|
1394 |
static inline void |
1395 |
gen_intermediate_code_internal(CPUState * env, TranslationBlock * tb, |
1396 |
int search_pc)
|
1397 |
{ |
1398 |
DisasContext ctx; |
1399 |
target_ulong pc_start; |
1400 |
static uint16_t *gen_opc_end;
|
1401 |
int i, ii;
|
1402 |
int num_insns;
|
1403 |
int max_insns;
|
1404 |
|
1405 |
pc_start = tb->pc; |
1406 |
gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; |
1407 |
ctx.pc = pc_start; |
1408 |
ctx.flags = (uint32_t)tb->flags; |
1409 |
ctx.bstate = BS_NONE; |
1410 |
ctx.sr = env->sr; |
1411 |
ctx.fpscr = env->fpscr; |
1412 |
ctx.memidx = (env->sr & SR_MD) ? 1 : 0; |
1413 |
/* We don't know if the delayed pc came from a dynamic or static branch,
|
1414 |
so assume it is a dynamic branch. */
|
1415 |
ctx.delayed_pc = -1; /* use delayed pc from env pointer */ |
1416 |
ctx.tb = tb; |
1417 |
ctx.singlestep_enabled = env->singlestep_enabled; |
1418 |
|
1419 |
#ifdef DEBUG_DISAS
|
1420 |
if (loglevel & CPU_LOG_TB_CPU) {
|
1421 |
fprintf(logfile, |
1422 |
"------------------------------------------------\n");
|
1423 |
cpu_dump_state(env, logfile, fprintf, 0);
|
1424 |
} |
1425 |
#endif
|
1426 |
|
1427 |
ii = -1;
|
1428 |
num_insns = 0;
|
1429 |
max_insns = tb->cflags & CF_COUNT_MASK; |
1430 |
if (max_insns == 0) |
1431 |
max_insns = CF_COUNT_MASK; |
1432 |
gen_icount_start(); |
1433 |
while (ctx.bstate == BS_NONE && gen_opc_ptr < gen_opc_end) {
|
1434 |
if (env->nb_breakpoints > 0) { |
1435 |
for (i = 0; i < env->nb_breakpoints; i++) { |
1436 |
if (ctx.pc == env->breakpoints[i]) {
|
1437 |
/* We have hit a breakpoint - make sure PC is up-to-date */
|
1438 |
tcg_gen_movi_i32(cpu_pc, ctx.pc); |
1439 |
tcg_gen_helper_0_0(helper_debug); |
1440 |
ctx.bstate = BS_EXCP; |
1441 |
break;
|
1442 |
} |
1443 |
} |
1444 |
} |
1445 |
if (search_pc) {
|
1446 |
i = gen_opc_ptr - gen_opc_buf; |
1447 |
if (ii < i) {
|
1448 |
ii++; |
1449 |
while (ii < i)
|
1450 |
gen_opc_instr_start[ii++] = 0;
|
1451 |
} |
1452 |
gen_opc_pc[ii] = ctx.pc; |
1453 |
gen_opc_hflags[ii] = ctx.flags; |
1454 |
gen_opc_instr_start[ii] = 1;
|
1455 |
gen_opc_icount[ii] = num_insns; |
1456 |
} |
1457 |
if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO)) |
1458 |
gen_io_start(); |
1459 |
#if 0
|
1460 |
fprintf(stderr, "Loading opcode at address 0x%08x\n", ctx.pc);
|
1461 |
fflush(stderr);
|
1462 |
#endif
|
1463 |
ctx.opcode = lduw_code(ctx.pc); |
1464 |
decode_opc(&ctx); |
1465 |
num_insns++; |
1466 |
ctx.pc += 2;
|
1467 |
if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0) |
1468 |
break;
|
1469 |
if (env->singlestep_enabled)
|
1470 |
break;
|
1471 |
if (num_insns >= max_insns)
|
1472 |
break;
|
1473 |
#ifdef SH4_SINGLE_STEP
|
1474 |
break;
|
1475 |
#endif
|
1476 |
} |
1477 |
if (tb->cflags & CF_LAST_IO)
|
1478 |
gen_io_end(); |
1479 |
if (env->singlestep_enabled) {
|
1480 |
tcg_gen_helper_0_0(helper_debug); |
1481 |
} else {
|
1482 |
switch (ctx.bstate) {
|
1483 |
case BS_STOP:
|
1484 |
/* gen_op_interrupt_restart(); */
|
1485 |
/* fall through */
|
1486 |
case BS_NONE:
|
1487 |
if (ctx.flags) {
|
1488 |
gen_store_flags(ctx.flags | DELAY_SLOT_CLEARME); |
1489 |
} |
1490 |
gen_goto_tb(&ctx, 0, ctx.pc);
|
1491 |
break;
|
1492 |
case BS_EXCP:
|
1493 |
/* gen_op_interrupt_restart(); */
|
1494 |
tcg_gen_exit_tb(0);
|
1495 |
break;
|
1496 |
case BS_BRANCH:
|
1497 |
default:
|
1498 |
break;
|
1499 |
} |
1500 |
} |
1501 |
|
1502 |
gen_icount_end(tb, num_insns); |
1503 |
*gen_opc_ptr = INDEX_op_end; |
1504 |
if (search_pc) {
|
1505 |
i = gen_opc_ptr - gen_opc_buf; |
1506 |
ii++; |
1507 |
while (ii <= i)
|
1508 |
gen_opc_instr_start[ii++] = 0;
|
1509 |
} else {
|
1510 |
tb->size = ctx.pc - pc_start; |
1511 |
tb->icount = num_insns; |
1512 |
} |
1513 |
|
1514 |
#ifdef DEBUG_DISAS
|
1515 |
#ifdef SH4_DEBUG_DISAS
|
1516 |
if (loglevel & CPU_LOG_TB_IN_ASM)
|
1517 |
fprintf(logfile, "\n");
|
1518 |
#endif
|
1519 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
1520 |
fprintf(logfile, "IN:\n"); /* , lookup_symbol(pc_start)); */ |
1521 |
target_disas(logfile, pc_start, ctx.pc - pc_start, 0);
|
1522 |
fprintf(logfile, "\n");
|
1523 |
} |
1524 |
#endif
|
1525 |
} |
1526 |
|
1527 |
void gen_intermediate_code(CPUState * env, struct TranslationBlock *tb) |
1528 |
{ |
1529 |
gen_intermediate_code_internal(env, tb, 0);
|
1530 |
} |
1531 |
|
1532 |
void gen_intermediate_code_pc(CPUState * env, struct TranslationBlock *tb) |
1533 |
{ |
1534 |
gen_intermediate_code_internal(env, tb, 1);
|
1535 |
} |
1536 |
|
1537 |
void gen_pc_load(CPUState *env, TranslationBlock *tb,
|
1538 |
unsigned long searched_pc, int pc_pos, void *puc) |
1539 |
{ |
1540 |
env->pc = gen_opc_pc[pc_pos]; |
1541 |
env->flags = gen_opc_hflags[pc_pos]; |
1542 |
} |