root / target-sh4 / translate.c @ b55266b5
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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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#if defined(CONFIG_USER_ONLY)
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#define IS_USER(ctx) 1 |
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#else
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#define IS_USER(ctx) (!(ctx->sr & SR_MD))
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#endif
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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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#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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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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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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typedef struct { |
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const char *name; |
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int id;
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uint32_t pvr; |
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uint32_t prr; |
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uint32_t cvr; |
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} sh4_def_t; |
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static sh4_def_t sh4_defs[] = {
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{ |
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.name = "SH7750R",
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.id = SH_CPU_SH7750R, |
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.pvr = 0x00050000,
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.prr = 0x00000100,
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.cvr = 0x00110000,
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}, { |
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.name = "SH7751R",
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.id = SH_CPU_SH7751R, |
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.pvr = 0x04050005,
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.prr = 0x00000113,
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.cvr = 0x00110000, /* Neutered caches, should be 0x20480000 */ |
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}, |
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}; |
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static const sh4_def_t *cpu_sh4_find_by_name(const char *name) |
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{ |
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int i;
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if (strcasecmp(name, "any") == 0) |
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return &sh4_defs[0]; |
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for (i = 0; i < sizeof(sh4_defs) / sizeof(*sh4_defs); i++) |
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if (strcasecmp(name, sh4_defs[i].name) == 0) |
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return &sh4_defs[i];
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return NULL; |
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} |
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void sh4_cpu_list(FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...)) |
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{ |
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int i;
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for (i = 0; i < sizeof(sh4_defs) / sizeof(*sh4_defs); i++) |
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(*cpu_fprintf)(f, "%s\n", sh4_defs[i].name);
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} |
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static int cpu_sh4_register(CPUSH4State *env, const sh4_def_t *def) |
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{ |
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env->pvr = def->pvr; |
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env->prr = def->prr; |
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env->cvr = def->cvr; |
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env->id = def->id; |
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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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const sh4_def_t *def;
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def = cpu_sh4_find_by_name(cpu_model); |
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if (!def)
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return NULL; |
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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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env->cpu_model_str = cpu_model; |
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cpu_sh4_reset(env); |
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cpu_sh4_register(env, def); |
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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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TCGv sr; |
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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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sr = tcg_temp_new(TCG_TYPE_I32); |
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tcg_gen_andi_i32(sr, cpu_sr, SR_T); |
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tcg_gen_brcondi_i32(TCG_COND_NE, sr, 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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TCGv sr; |
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l1 = gen_new_label(); |
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sr = tcg_temp_new(TCG_TYPE_I32); |
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tcg_gen_andi_i32(sr, cpu_sr, SR_T); |
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tcg_gen_brcondi_i32(TCG_COND_EQ, sr, SR_T, l1); |
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gen_goto_tb(ctx, 0, ifnott);
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gen_set_label(l1); |
317 |
gen_goto_tb(ctx, 1, ift);
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} |
319 |
|
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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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TCGv ds; |
325 |
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l1 = gen_new_label(); |
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ds = tcg_temp_new(TCG_TYPE_I32); |
328 |
tcg_gen_andi_i32(ds, cpu_flags, DELAY_SLOT_TRUE); |
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tcg_gen_brcondi_i32(TCG_COND_EQ, ds, DELAY_SLOT_TRUE, l1); |
330 |
gen_goto_tb(ctx, 1, ctx->pc + 2); |
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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); |
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} |
335 |
|
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static inline void gen_set_t(void) |
337 |
{ |
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tcg_gen_ori_i32(cpu_sr, cpu_sr, SR_T); |
339 |
} |
340 |
|
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static inline void gen_clr_t(void) |
342 |
{ |
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tcg_gen_andi_i32(cpu_sr, cpu_sr, ~SR_T); |
344 |
} |
345 |
|
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static inline void gen_cmp(int cond, TCGv t0, TCGv t1) |
347 |
{ |
348 |
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); |
351 |
gen_clr_t(); |
352 |
tcg_gen_br(label2); |
353 |
gen_set_label(label1); |
354 |
gen_set_t(); |
355 |
gen_set_label(label2); |
356 |
} |
357 |
|
358 |
static inline void gen_cmp_imm(int cond, TCGv t0, int32_t imm) |
359 |
{ |
360 |
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); |
363 |
gen_clr_t(); |
364 |
tcg_gen_br(label2); |
365 |
gen_set_label(label1); |
366 |
gen_set_t(); |
367 |
gen_set_label(label2); |
368 |
} |
369 |
|
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static inline void gen_store_flags(uint32_t flags) |
371 |
{ |
372 |
tcg_gen_andi_i32(cpu_flags, cpu_flags, DELAY_SLOT_TRUE); |
373 |
tcg_gen_ori_i32(cpu_flags, cpu_flags, flags); |
374 |
} |
375 |
|
376 |
static inline void gen_copy_bit_i32(TCGv t0, int p0, TCGv t1, int p1) |
377 |
{ |
378 |
TCGv tmp = tcg_temp_new(TCG_TYPE_I32); |
379 |
|
380 |
p0 &= 0x1f;
|
381 |
p1 &= 0x1f;
|
382 |
|
383 |
tcg_gen_andi_i32(tmp, t1, (1 << p1));
|
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tcg_gen_andi_i32(t0, t0, ~(1 << p0));
|
385 |
if (p0 < p1)
|
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tcg_gen_shri_i32(tmp, tmp, p1 - p0); |
387 |
else if (p0 > p1) |
388 |
tcg_gen_shli_i32(tmp, tmp, p0 - p1); |
389 |
tcg_gen_or_i32(t0, t0, tmp); |
390 |
|
391 |
tcg_temp_free(tmp); |
392 |
} |
393 |
|
394 |
|
395 |
static inline void gen_load_fpr32(TCGv t, int reg) |
396 |
{ |
397 |
tcg_gen_ld_i32(t, cpu_env, offsetof(CPUState, fregs[reg])); |
398 |
} |
399 |
|
400 |
static inline void gen_load_fpr64(TCGv t, int reg) |
401 |
{ |
402 |
TCGv tmp1 = tcg_temp_new(TCG_TYPE_I32); |
403 |
TCGv tmp2 = tcg_temp_new(TCG_TYPE_I64); |
404 |
|
405 |
tcg_gen_ld_i32(tmp1, cpu_env, offsetof(CPUState, fregs[reg])); |
406 |
tcg_gen_extu_i32_i64(t, tmp1); |
407 |
tcg_gen_shli_i64(t, t, 32);
|
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tcg_gen_ld_i32(tmp1, cpu_env, offsetof(CPUState, fregs[reg + 1]));
|
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tcg_gen_extu_i32_i64(tmp2, tmp1); |
410 |
tcg_temp_free(tmp1); |
411 |
tcg_gen_or_i64(t, t, tmp2); |
412 |
tcg_temp_free(tmp2); |
413 |
} |
414 |
|
415 |
static inline void gen_store_fpr32(TCGv t, int reg) |
416 |
{ |
417 |
tcg_gen_st_i32(t, cpu_env, offsetof(CPUState, fregs[reg])); |
418 |
} |
419 |
|
420 |
static inline void gen_store_fpr64 (TCGv t, int reg) |
421 |
{ |
422 |
TCGv tmp = tcg_temp_new(TCG_TYPE_I32); |
423 |
|
424 |
tcg_gen_trunc_i64_i32(tmp, t); |
425 |
tcg_gen_st_i32(tmp, cpu_env, offsetof(CPUState, fregs[reg + 1]));
|
426 |
tcg_gen_shri_i64(t, t, 32);
|
427 |
tcg_gen_trunc_i64_i32(tmp, t); |
428 |
tcg_gen_st_i32(tmp, cpu_env, offsetof(CPUState, fregs[reg])); |
429 |
tcg_temp_free(tmp); |
430 |
} |
431 |
|
432 |
#define B3_0 (ctx->opcode & 0xf) |
433 |
#define B6_4 ((ctx->opcode >> 4) & 0x7) |
434 |
#define B7_4 ((ctx->opcode >> 4) & 0xf) |
435 |
#define B7_0 (ctx->opcode & 0xff) |
436 |
#define B7_0s ((int32_t) (int8_t) (ctx->opcode & 0xff)) |
437 |
#define B11_0s (ctx->opcode & 0x800 ? 0xfffff000 | (ctx->opcode & 0xfff) : \ |
438 |
(ctx->opcode & 0xfff))
|
439 |
#define B11_8 ((ctx->opcode >> 8) & 0xf) |
440 |
#define B15_12 ((ctx->opcode >> 12) & 0xf) |
441 |
|
442 |
#define REG(x) ((x) < 8 && (ctx->sr & (SR_MD | SR_RB)) == (SR_MD | SR_RB) ? \ |
443 |
(cpu_gregs[x + 16]) : (cpu_gregs[x]))
|
444 |
|
445 |
#define ALTREG(x) ((x) < 8 && (ctx->sr & (SR_MD | SR_RB)) != (SR_MD | SR_RB) \ |
446 |
? (cpu_gregs[x + 16]) : (cpu_gregs[x]))
|
447 |
|
448 |
#define FREG(x) (ctx->fpscr & FPSCR_FR ? (x) ^ 0x10 : (x)) |
449 |
#define XHACK(x) ((((x) & 1 ) << 4) | ((x) & 0xe)) |
450 |
#define XREG(x) (ctx->fpscr & FPSCR_FR ? XHACK(x) ^ 0x10 : XHACK(x)) |
451 |
#define DREG(x) FREG(x) /* Assumes lsb of (x) is always 0 */ |
452 |
|
453 |
#define CHECK_NOT_DELAY_SLOT \
|
454 |
if (ctx->flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL)) \
|
455 |
{tcg_gen_helper_0_0(helper_raise_slot_illegal_instruction); ctx->bstate = BS_EXCP; \ |
456 |
return;}
|
457 |
|
458 |
#define CHECK_PRIVILEGED \
|
459 |
if (IS_USER(ctx)) { \
|
460 |
tcg_gen_helper_0_0(helper_raise_illegal_instruction); \ |
461 |
ctx->bstate = BS_EXCP; \ |
462 |
return; \
|
463 |
} |
464 |
|
465 |
void _decode_opc(DisasContext * ctx)
|
466 |
{ |
467 |
#if 0
|
468 |
fprintf(stderr, "Translating opcode 0x%04x\n", ctx->opcode);
|
469 |
#endif
|
470 |
switch (ctx->opcode) {
|
471 |
case 0x0019: /* div0u */ |
472 |
tcg_gen_andi_i32(cpu_sr, cpu_sr, ~(SR_M | SR_Q | SR_T)); |
473 |
return;
|
474 |
case 0x000b: /* rts */ |
475 |
CHECK_NOT_DELAY_SLOT |
476 |
tcg_gen_mov_i32(cpu_delayed_pc, cpu_pr); |
477 |
ctx->flags |= DELAY_SLOT; |
478 |
ctx->delayed_pc = (uint32_t) - 1;
|
479 |
return;
|
480 |
case 0x0028: /* clrmac */ |
481 |
tcg_gen_movi_i32(cpu_mach, 0);
|
482 |
tcg_gen_movi_i32(cpu_macl, 0);
|
483 |
return;
|
484 |
case 0x0048: /* clrs */ |
485 |
tcg_gen_andi_i32(cpu_sr, cpu_sr, ~SR_S); |
486 |
return;
|
487 |
case 0x0008: /* clrt */ |
488 |
gen_clr_t(); |
489 |
return;
|
490 |
case 0x0038: /* ldtlb */ |
491 |
CHECK_PRIVILEGED |
492 |
tcg_gen_helper_0_0(helper_ldtlb); |
493 |
return;
|
494 |
case 0x002b: /* rte */ |
495 |
CHECK_PRIVILEGED |
496 |
CHECK_NOT_DELAY_SLOT |
497 |
tcg_gen_mov_i32(cpu_sr, cpu_ssr); |
498 |
tcg_gen_mov_i32(cpu_delayed_pc, cpu_spc); |
499 |
ctx->flags |= DELAY_SLOT; |
500 |
ctx->delayed_pc = (uint32_t) - 1;
|
501 |
return;
|
502 |
case 0x0058: /* sets */ |
503 |
tcg_gen_ori_i32(cpu_sr, cpu_sr, SR_S); |
504 |
return;
|
505 |
case 0x0018: /* sett */ |
506 |
gen_set_t(); |
507 |
return;
|
508 |
case 0xfbfd: /* frchg */ |
509 |
tcg_gen_xori_i32(cpu_fpscr, cpu_fpscr, FPSCR_FR); |
510 |
ctx->bstate = BS_STOP; |
511 |
return;
|
512 |
case 0xf3fd: /* fschg */ |
513 |
tcg_gen_xori_i32(cpu_fpscr, cpu_fpscr, FPSCR_SZ); |
514 |
ctx->bstate = BS_STOP; |
515 |
return;
|
516 |
case 0x0009: /* nop */ |
517 |
return;
|
518 |
case 0x001b: /* sleep */ |
519 |
CHECK_PRIVILEGED |
520 |
tcg_gen_helper_0_1(helper_sleep, tcg_const_i32(ctx->pc + 2));
|
521 |
return;
|
522 |
} |
523 |
|
524 |
switch (ctx->opcode & 0xf000) { |
525 |
case 0x1000: /* mov.l Rm,@(disp,Rn) */ |
526 |
{ |
527 |
TCGv addr = tcg_temp_new(TCG_TYPE_I32); |
528 |
tcg_gen_addi_i32(addr, REG(B11_8), B3_0 * 4);
|
529 |
tcg_gen_qemu_st32(REG(B7_4), addr, ctx->memidx); |
530 |
tcg_temp_free(addr); |
531 |
} |
532 |
return;
|
533 |
case 0x5000: /* mov.l @(disp,Rm),Rn */ |
534 |
{ |
535 |
TCGv addr = tcg_temp_new(TCG_TYPE_I32); |
536 |
tcg_gen_addi_i32(addr, REG(B7_4), B3_0 * 4);
|
537 |
tcg_gen_qemu_ld32s(REG(B11_8), addr, ctx->memidx); |
538 |
tcg_temp_free(addr); |
539 |
} |
540 |
return;
|
541 |
case 0xe000: /* mov #imm,Rn */ |
542 |
tcg_gen_movi_i32(REG(B11_8), B7_0s); |
543 |
return;
|
544 |
case 0x9000: /* mov.w @(disp,PC),Rn */ |
545 |
{ |
546 |
TCGv addr = tcg_const_i32(ctx->pc + 4 + B7_0 * 2); |
547 |
tcg_gen_qemu_ld16s(REG(B11_8), addr, ctx->memidx); |
548 |
tcg_temp_free(addr); |
549 |
} |
550 |
return;
|
551 |
case 0xd000: /* mov.l @(disp,PC),Rn */ |
552 |
{ |
553 |
TCGv addr = tcg_const_i32((ctx->pc + 4 + B7_0 * 4) & ~3); |
554 |
tcg_gen_qemu_ld32s(REG(B11_8), addr, ctx->memidx); |
555 |
tcg_temp_free(addr); |
556 |
} |
557 |
return;
|
558 |
case 0x7000: /* add #imm,Rn */ |
559 |
tcg_gen_addi_i32(REG(B11_8), REG(B11_8), B7_0s); |
560 |
return;
|
561 |
case 0xa000: /* bra disp */ |
562 |
CHECK_NOT_DELAY_SLOT |
563 |
ctx->delayed_pc = ctx->pc + 4 + B11_0s * 2; |
564 |
tcg_gen_movi_i32(cpu_delayed_pc, ctx->delayed_pc); |
565 |
ctx->flags |= DELAY_SLOT; |
566 |
return;
|
567 |
case 0xb000: /* bsr disp */ |
568 |
CHECK_NOT_DELAY_SLOT |
569 |
tcg_gen_movi_i32(cpu_pr, ctx->pc + 4);
|
570 |
ctx->delayed_pc = ctx->pc + 4 + B11_0s * 2; |
571 |
tcg_gen_movi_i32(cpu_delayed_pc, ctx->delayed_pc); |
572 |
ctx->flags |= DELAY_SLOT; |
573 |
return;
|
574 |
} |
575 |
|
576 |
switch (ctx->opcode & 0xf00f) { |
577 |
case 0x6003: /* mov Rm,Rn */ |
578 |
tcg_gen_mov_i32(REG(B11_8), REG(B7_4)); |
579 |
return;
|
580 |
case 0x2000: /* mov.b Rm,@Rn */ |
581 |
tcg_gen_qemu_st8(REG(B7_4), REG(B11_8), ctx->memidx); |
582 |
return;
|
583 |
case 0x2001: /* mov.w Rm,@Rn */ |
584 |
tcg_gen_qemu_st16(REG(B7_4), REG(B11_8), ctx->memidx); |
585 |
return;
|
586 |
case 0x2002: /* mov.l Rm,@Rn */ |
587 |
tcg_gen_qemu_st32(REG(B7_4), REG(B11_8), ctx->memidx); |
588 |
return;
|
589 |
case 0x6000: /* mov.b @Rm,Rn */ |
590 |
tcg_gen_qemu_ld8s(REG(B11_8), REG(B7_4), ctx->memidx); |
591 |
return;
|
592 |
case 0x6001: /* mov.w @Rm,Rn */ |
593 |
tcg_gen_qemu_ld16s(REG(B11_8), REG(B7_4), ctx->memidx); |
594 |
return;
|
595 |
case 0x6002: /* mov.l @Rm,Rn */ |
596 |
tcg_gen_qemu_ld32s(REG(B11_8), REG(B7_4), ctx->memidx); |
597 |
return;
|
598 |
case 0x2004: /* mov.b Rm,@-Rn */ |
599 |
{ |
600 |
TCGv addr = tcg_temp_new(TCG_TYPE_I32); |
601 |
tcg_gen_subi_i32(addr, REG(B11_8), 1);
|
602 |
tcg_gen_qemu_st8(REG(B7_4), addr, ctx->memidx); /* might cause re-execution */
|
603 |
tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 1); /* modify register status */ |
604 |
tcg_temp_free(addr); |
605 |
} |
606 |
return;
|
607 |
case 0x2005: /* mov.w Rm,@-Rn */ |
608 |
{ |
609 |
TCGv addr = tcg_temp_new(TCG_TYPE_I32); |
610 |
tcg_gen_subi_i32(addr, REG(B11_8), 2);
|
611 |
tcg_gen_qemu_st16(REG(B7_4), addr, ctx->memidx); |
612 |
tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 2);
|
613 |
tcg_temp_free(addr); |
614 |
} |
615 |
return;
|
616 |
case 0x2006: /* mov.l Rm,@-Rn */ |
617 |
{ |
618 |
TCGv addr = tcg_temp_new(TCG_TYPE_I32); |
619 |
tcg_gen_subi_i32(addr, REG(B11_8), 4);
|
620 |
tcg_gen_qemu_st32(REG(B7_4), addr, ctx->memidx); |
621 |
tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 4);
|
622 |
} |
623 |
return;
|
624 |
case 0x6004: /* mov.b @Rm+,Rn */ |
625 |
tcg_gen_qemu_ld8s(REG(B11_8), REG(B7_4), ctx->memidx); |
626 |
if ( B11_8 != B7_4 )
|
627 |
tcg_gen_addi_i32(REG(B7_4), REG(B7_4), 1);
|
628 |
return;
|
629 |
case 0x6005: /* mov.w @Rm+,Rn */ |
630 |
tcg_gen_qemu_ld16s(REG(B11_8), REG(B7_4), ctx->memidx); |
631 |
if ( B11_8 != B7_4 )
|
632 |
tcg_gen_addi_i32(REG(B7_4), REG(B7_4), 2);
|
633 |
return;
|
634 |
case 0x6006: /* mov.l @Rm+,Rn */ |
635 |
tcg_gen_qemu_ld32s(REG(B11_8), REG(B7_4), ctx->memidx); |
636 |
if ( B11_8 != B7_4 )
|
637 |
tcg_gen_addi_i32(REG(B7_4), REG(B7_4), 4);
|
638 |
return;
|
639 |
case 0x0004: /* mov.b Rm,@(R0,Rn) */ |
640 |
{ |
641 |
TCGv addr = tcg_temp_new(TCG_TYPE_I32); |
642 |
tcg_gen_add_i32(addr, REG(B11_8), REG(0));
|
643 |
tcg_gen_qemu_st8(REG(B7_4), addr, ctx->memidx); |
644 |
tcg_temp_free(addr); |
645 |
} |
646 |
return;
|
647 |
case 0x0005: /* mov.w Rm,@(R0,Rn) */ |
648 |
{ |
649 |
TCGv addr = tcg_temp_new(TCG_TYPE_I32); |
650 |
tcg_gen_add_i32(addr, REG(B11_8), REG(0));
|
651 |
tcg_gen_qemu_st16(REG(B7_4), addr, ctx->memidx); |
652 |
tcg_temp_free(addr); |
653 |
} |
654 |
return;
|
655 |
case 0x0006: /* mov.l Rm,@(R0,Rn) */ |
656 |
{ |
657 |
TCGv addr = tcg_temp_new(TCG_TYPE_I32); |
658 |
tcg_gen_add_i32(addr, REG(B11_8), REG(0));
|
659 |
tcg_gen_qemu_st32(REG(B7_4), addr, ctx->memidx); |
660 |
tcg_temp_free(addr); |
661 |
} |
662 |
return;
|
663 |
case 0x000c: /* mov.b @(R0,Rm),Rn */ |
664 |
{ |
665 |
TCGv addr = tcg_temp_new(TCG_TYPE_I32); |
666 |
tcg_gen_add_i32(addr, REG(B7_4), REG(0));
|
667 |
tcg_gen_qemu_ld8s(REG(B11_8), addr, ctx->memidx); |
668 |
tcg_temp_free(addr); |
669 |
} |
670 |
return;
|
671 |
case 0x000d: /* mov.w @(R0,Rm),Rn */ |
672 |
{ |
673 |
TCGv addr = tcg_temp_new(TCG_TYPE_I32); |
674 |
tcg_gen_add_i32(addr, REG(B7_4), REG(0));
|
675 |
tcg_gen_qemu_ld16s(REG(B11_8), addr, ctx->memidx); |
676 |
tcg_temp_free(addr); |
677 |
} |
678 |
return;
|
679 |
case 0x000e: /* mov.l @(R0,Rm),Rn */ |
680 |
{ |
681 |
TCGv addr = tcg_temp_new(TCG_TYPE_I32); |
682 |
tcg_gen_add_i32(addr, REG(B7_4), REG(0));
|
683 |
tcg_gen_qemu_ld32s(REG(B11_8), addr, ctx->memidx); |
684 |
tcg_temp_free(addr); |
685 |
} |
686 |
return;
|
687 |
case 0x6008: /* swap.b Rm,Rn */ |
688 |
{ |
689 |
TCGv high, low; |
690 |
high = tcg_temp_new(TCG_TYPE_I32); |
691 |
tcg_gen_ext8u_i32(high, REG(B7_4)); |
692 |
tcg_gen_shli_i32(high, high, 8);
|
693 |
low = tcg_temp_new(TCG_TYPE_I32); |
694 |
tcg_gen_shri_i32(low, REG(B7_4), 8);
|
695 |
tcg_gen_ext8u_i32(low, low); |
696 |
tcg_gen_or_i32(REG(B11_8), high, low); |
697 |
tcg_temp_free(low); |
698 |
tcg_temp_free(high); |
699 |
} |
700 |
return;
|
701 |
case 0x6009: /* swap.w Rm,Rn */ |
702 |
{ |
703 |
TCGv high, low; |
704 |
high = tcg_temp_new(TCG_TYPE_I32); |
705 |
tcg_gen_ext16u_i32(high, REG(B7_4)); |
706 |
tcg_gen_shli_i32(high, high, 16);
|
707 |
low = tcg_temp_new(TCG_TYPE_I32); |
708 |
tcg_gen_shri_i32(low, REG(B7_4), 16);
|
709 |
tcg_gen_ext16u_i32(low, low); |
710 |
tcg_gen_or_i32(REG(B11_8), high, low); |
711 |
tcg_temp_free(low); |
712 |
tcg_temp_free(high); |
713 |
} |
714 |
return;
|
715 |
case 0x200d: /* xtrct Rm,Rn */ |
716 |
{ |
717 |
TCGv high, low; |
718 |
high = tcg_temp_new(TCG_TYPE_I32); |
719 |
tcg_gen_ext16u_i32(high, REG(B7_4)); |
720 |
tcg_gen_shli_i32(high, high, 16);
|
721 |
low = tcg_temp_new(TCG_TYPE_I32); |
722 |
tcg_gen_shri_i32(low, REG(B11_8), 16);
|
723 |
tcg_gen_ext16u_i32(low, low); |
724 |
tcg_gen_or_i32(REG(B11_8), high, low); |
725 |
tcg_temp_free(low); |
726 |
tcg_temp_free(high); |
727 |
} |
728 |
return;
|
729 |
case 0x300c: /* add Rm,Rn */ |
730 |
tcg_gen_add_i32(REG(B11_8), REG(B11_8), REG(B7_4)); |
731 |
return;
|
732 |
case 0x300e: /* addc Rm,Rn */ |
733 |
tcg_gen_helper_1_2(helper_addc, REG(B11_8), REG(B7_4), REG(B11_8)); |
734 |
return;
|
735 |
case 0x300f: /* addv Rm,Rn */ |
736 |
tcg_gen_helper_1_2(helper_addv, REG(B11_8), REG(B7_4), REG(B11_8)); |
737 |
return;
|
738 |
case 0x2009: /* and Rm,Rn */ |
739 |
tcg_gen_and_i32(REG(B11_8), REG(B11_8), REG(B7_4)); |
740 |
return;
|
741 |
case 0x3000: /* cmp/eq Rm,Rn */ |
742 |
gen_cmp(TCG_COND_EQ, REG(B7_4), REG(B11_8)); |
743 |
return;
|
744 |
case 0x3003: /* cmp/ge Rm,Rn */ |
745 |
gen_cmp(TCG_COND_GE, REG(B7_4), REG(B11_8)); |
746 |
return;
|
747 |
case 0x3007: /* cmp/gt Rm,Rn */ |
748 |
gen_cmp(TCG_COND_GT, REG(B7_4), REG(B11_8)); |
749 |
return;
|
750 |
case 0x3006: /* cmp/hi Rm,Rn */ |
751 |
gen_cmp(TCG_COND_GTU, REG(B7_4), REG(B11_8)); |
752 |
return;
|
753 |
case 0x3002: /* cmp/hs Rm,Rn */ |
754 |
gen_cmp(TCG_COND_GEU, REG(B7_4), REG(B11_8)); |
755 |
return;
|
756 |
case 0x200c: /* cmp/str Rm,Rn */ |
757 |
{ |
758 |
int label1 = gen_new_label();
|
759 |
int label2 = gen_new_label();
|
760 |
TCGv cmp1 = tcg_temp_local_new(TCG_TYPE_I32); |
761 |
TCGv cmp2 = tcg_temp_local_new(TCG_TYPE_I32); |
762 |
tcg_gen_xor_i32(cmp1, REG(B7_4), REG(B11_8)); |
763 |
tcg_gen_andi_i32(cmp2, cmp1, 0xff000000);
|
764 |
tcg_gen_brcondi_i32(TCG_COND_EQ, cmp2, 0, label1);
|
765 |
tcg_gen_andi_i32(cmp2, cmp1, 0x00ff0000);
|
766 |
tcg_gen_brcondi_i32(TCG_COND_EQ, cmp2, 0, label1);
|
767 |
tcg_gen_andi_i32(cmp2, cmp1, 0x0000ff00);
|
768 |
tcg_gen_brcondi_i32(TCG_COND_EQ, cmp2, 0, label1);
|
769 |
tcg_gen_andi_i32(cmp2, cmp1, 0x000000ff);
|
770 |
tcg_gen_brcondi_i32(TCG_COND_EQ, cmp2, 0, label1);
|
771 |
tcg_gen_andi_i32(cpu_sr, cpu_sr, ~SR_T); |
772 |
tcg_gen_br(label2); |
773 |
gen_set_label(label1); |
774 |
tcg_gen_ori_i32(cpu_sr, cpu_sr, SR_T); |
775 |
gen_set_label(label2); |
776 |
tcg_temp_free(cmp2); |
777 |
tcg_temp_free(cmp1); |
778 |
} |
779 |
return;
|
780 |
case 0x2007: /* div0s Rm,Rn */ |
781 |
{ |
782 |
gen_copy_bit_i32(cpu_sr, 8, REG(B11_8), 31); /* SR_Q */ |
783 |
gen_copy_bit_i32(cpu_sr, 9, REG(B7_4), 31); /* SR_M */ |
784 |
TCGv val = tcg_temp_new(TCG_TYPE_I32); |
785 |
tcg_gen_xor_i32(val, REG(B7_4), REG(B11_8)); |
786 |
gen_copy_bit_i32(cpu_sr, 0, val, 31); /* SR_T */ |
787 |
tcg_temp_free(val); |
788 |
} |
789 |
return;
|
790 |
case 0x3004: /* div1 Rm,Rn */ |
791 |
tcg_gen_helper_1_2(helper_div1, REG(B11_8), REG(B7_4), REG(B11_8)); |
792 |
return;
|
793 |
case 0x300d: /* dmuls.l Rm,Rn */ |
794 |
{ |
795 |
TCGv tmp1 = tcg_temp_new(TCG_TYPE_I64); |
796 |
TCGv tmp2 = tcg_temp_new(TCG_TYPE_I64); |
797 |
|
798 |
tcg_gen_ext_i32_i64(tmp1, REG(B7_4)); |
799 |
tcg_gen_ext_i32_i64(tmp2, REG(B11_8)); |
800 |
tcg_gen_mul_i64(tmp1, tmp1, tmp2); |
801 |
tcg_gen_trunc_i64_i32(cpu_macl, tmp1); |
802 |
tcg_gen_shri_i64(tmp1, tmp1, 32);
|
803 |
tcg_gen_trunc_i64_i32(cpu_mach, tmp1); |
804 |
|
805 |
tcg_temp_free(tmp2); |
806 |
tcg_temp_free(tmp1); |
807 |
} |
808 |
return;
|
809 |
case 0x3005: /* dmulu.l Rm,Rn */ |
810 |
{ |
811 |
TCGv tmp1 = tcg_temp_new(TCG_TYPE_I64); |
812 |
TCGv tmp2 = tcg_temp_new(TCG_TYPE_I64); |
813 |
|
814 |
tcg_gen_extu_i32_i64(tmp1, REG(B7_4)); |
815 |
tcg_gen_extu_i32_i64(tmp2, REG(B11_8)); |
816 |
tcg_gen_mul_i64(tmp1, tmp1, tmp2); |
817 |
tcg_gen_trunc_i64_i32(cpu_macl, tmp1); |
818 |
tcg_gen_shri_i64(tmp1, tmp1, 32);
|
819 |
tcg_gen_trunc_i64_i32(cpu_mach, tmp1); |
820 |
|
821 |
tcg_temp_free(tmp2); |
822 |
tcg_temp_free(tmp1); |
823 |
} |
824 |
return;
|
825 |
case 0x600e: /* exts.b Rm,Rn */ |
826 |
tcg_gen_ext8s_i32(REG(B11_8), REG(B7_4)); |
827 |
return;
|
828 |
case 0x600f: /* exts.w Rm,Rn */ |
829 |
tcg_gen_ext16s_i32(REG(B11_8), REG(B7_4)); |
830 |
return;
|
831 |
case 0x600c: /* extu.b Rm,Rn */ |
832 |
tcg_gen_ext8u_i32(REG(B11_8), REG(B7_4)); |
833 |
return;
|
834 |
case 0x600d: /* extu.w Rm,Rn */ |
835 |
tcg_gen_ext16u_i32(REG(B11_8), REG(B7_4)); |
836 |
return;
|
837 |
case 0x000f: /* mac.l @Rm+,@Rn+ */ |
838 |
{ |
839 |
TCGv arg0, arg1; |
840 |
arg0 = tcg_temp_new(TCG_TYPE_I32); |
841 |
tcg_gen_qemu_ld32s(arg0, REG(B7_4), ctx->memidx); |
842 |
arg1 = tcg_temp_new(TCG_TYPE_I32); |
843 |
tcg_gen_qemu_ld32s(arg1, REG(B11_8), ctx->memidx); |
844 |
tcg_gen_helper_0_2(helper_macl, arg0, arg1); |
845 |
tcg_temp_free(arg1); |
846 |
tcg_temp_free(arg0); |
847 |
tcg_gen_addi_i32(REG(B7_4), REG(B7_4), 4);
|
848 |
tcg_gen_addi_i32(REG(B11_8), REG(B11_8), 4);
|
849 |
} |
850 |
return;
|
851 |
case 0x400f: /* mac.w @Rm+,@Rn+ */ |
852 |
{ |
853 |
TCGv arg0, arg1; |
854 |
arg0 = tcg_temp_new(TCG_TYPE_I32); |
855 |
tcg_gen_qemu_ld32s(arg0, REG(B7_4), ctx->memidx); |
856 |
arg1 = tcg_temp_new(TCG_TYPE_I32); |
857 |
tcg_gen_qemu_ld32s(arg1, REG(B11_8), ctx->memidx); |
858 |
tcg_gen_helper_0_2(helper_macw, arg0, arg1); |
859 |
tcg_temp_free(arg1); |
860 |
tcg_temp_free(arg0); |
861 |
tcg_gen_addi_i32(REG(B11_8), REG(B11_8), 2);
|
862 |
tcg_gen_addi_i32(REG(B7_4), REG(B7_4), 2);
|
863 |
} |
864 |
return;
|
865 |
case 0x0007: /* mul.l Rm,Rn */ |
866 |
tcg_gen_mul_i32(cpu_macl, REG(B7_4), REG(B11_8)); |
867 |
return;
|
868 |
case 0x200f: /* muls.w Rm,Rn */ |
869 |
{ |
870 |
TCGv arg0, arg1; |
871 |
arg0 = tcg_temp_new(TCG_TYPE_I32); |
872 |
tcg_gen_ext16s_i32(arg0, REG(B7_4)); |
873 |
arg1 = tcg_temp_new(TCG_TYPE_I32); |
874 |
tcg_gen_ext16s_i32(arg1, REG(B11_8)); |
875 |
tcg_gen_mul_i32(cpu_macl, arg0, arg1); |
876 |
tcg_temp_free(arg1); |
877 |
tcg_temp_free(arg0); |
878 |
} |
879 |
return;
|
880 |
case 0x200e: /* mulu.w Rm,Rn */ |
881 |
{ |
882 |
TCGv arg0, arg1; |
883 |
arg0 = tcg_temp_new(TCG_TYPE_I32); |
884 |
tcg_gen_ext16u_i32(arg0, REG(B7_4)); |
885 |
arg1 = tcg_temp_new(TCG_TYPE_I32); |
886 |
tcg_gen_ext16u_i32(arg1, REG(B11_8)); |
887 |
tcg_gen_mul_i32(cpu_macl, arg0, arg1); |
888 |
tcg_temp_free(arg1); |
889 |
tcg_temp_free(arg0); |
890 |
} |
891 |
return;
|
892 |
case 0x600b: /* neg Rm,Rn */ |
893 |
tcg_gen_neg_i32(REG(B11_8), REG(B7_4)); |
894 |
return;
|
895 |
case 0x600a: /* negc Rm,Rn */ |
896 |
tcg_gen_helper_1_1(helper_negc, REG(B11_8), REG(B7_4)); |
897 |
return;
|
898 |
case 0x6007: /* not Rm,Rn */ |
899 |
tcg_gen_not_i32(REG(B11_8), REG(B7_4)); |
900 |
return;
|
901 |
case 0x200b: /* or Rm,Rn */ |
902 |
tcg_gen_or_i32(REG(B11_8), REG(B11_8), REG(B7_4)); |
903 |
return;
|
904 |
case 0x400c: /* shad Rm,Rn */ |
905 |
{ |
906 |
int label1 = gen_new_label();
|
907 |
int label2 = gen_new_label();
|
908 |
int label3 = gen_new_label();
|
909 |
int label4 = gen_new_label();
|
910 |
TCGv shift = tcg_temp_local_new(TCG_TYPE_I32); |
911 |
tcg_gen_brcondi_i32(TCG_COND_LT, REG(B7_4), 0, label1);
|
912 |
/* Rm positive, shift to the left */
|
913 |
tcg_gen_andi_i32(shift, REG(B7_4), 0x1f);
|
914 |
tcg_gen_shl_i32(REG(B11_8), REG(B11_8), shift); |
915 |
tcg_gen_br(label4); |
916 |
/* Rm negative, shift to the right */
|
917 |
gen_set_label(label1); |
918 |
tcg_gen_andi_i32(shift, REG(B7_4), 0x1f);
|
919 |
tcg_gen_brcondi_i32(TCG_COND_EQ, shift, 0, label2);
|
920 |
tcg_gen_not_i32(shift, REG(B7_4)); |
921 |
tcg_gen_andi_i32(shift, shift, 0x1f);
|
922 |
tcg_gen_addi_i32(shift, shift, 1);
|
923 |
tcg_gen_sar_i32(REG(B11_8), REG(B11_8), shift); |
924 |
tcg_gen_br(label4); |
925 |
/* Rm = -32 */
|
926 |
gen_set_label(label2); |
927 |
tcg_gen_brcondi_i32(TCG_COND_LT, REG(B11_8), 0, label3);
|
928 |
tcg_gen_movi_i32(REG(B11_8), 0);
|
929 |
tcg_gen_br(label4); |
930 |
gen_set_label(label3); |
931 |
tcg_gen_movi_i32(REG(B11_8), 0xffffffff);
|
932 |
gen_set_label(label4); |
933 |
tcg_temp_free(shift); |
934 |
} |
935 |
return;
|
936 |
case 0x400d: /* shld Rm,Rn */ |
937 |
{ |
938 |
int label1 = gen_new_label();
|
939 |
int label2 = gen_new_label();
|
940 |
int label3 = gen_new_label();
|
941 |
TCGv shift = tcg_temp_local_new(TCG_TYPE_I32); |
942 |
tcg_gen_brcondi_i32(TCG_COND_LT, REG(B7_4), 0, label1);
|
943 |
/* Rm positive, shift to the left */
|
944 |
tcg_gen_andi_i32(shift, REG(B7_4), 0x1f);
|
945 |
tcg_gen_shl_i32(REG(B11_8), REG(B11_8), shift); |
946 |
tcg_gen_br(label3); |
947 |
/* Rm negative, shift to the right */
|
948 |
gen_set_label(label1); |
949 |
tcg_gen_andi_i32(shift, REG(B7_4), 0x1f);
|
950 |
tcg_gen_brcondi_i32(TCG_COND_EQ, shift, 0, label2);
|
951 |
tcg_gen_not_i32(shift, REG(B7_4)); |
952 |
tcg_gen_andi_i32(shift, shift, 0x1f);
|
953 |
tcg_gen_addi_i32(shift, shift, 1);
|
954 |
tcg_gen_shr_i32(REG(B11_8), REG(B11_8), shift); |
955 |
tcg_gen_br(label3); |
956 |
/* Rm = -32 */
|
957 |
gen_set_label(label2); |
958 |
tcg_gen_movi_i32(REG(B11_8), 0);
|
959 |
gen_set_label(label3); |
960 |
tcg_temp_free(shift); |
961 |
} |
962 |
return;
|
963 |
case 0x3008: /* sub Rm,Rn */ |
964 |
tcg_gen_sub_i32(REG(B11_8), REG(B11_8), REG(B7_4)); |
965 |
return;
|
966 |
case 0x300a: /* subc Rm,Rn */ |
967 |
tcg_gen_helper_1_2(helper_subc, REG(B11_8), REG(B7_4), REG(B11_8)); |
968 |
return;
|
969 |
case 0x300b: /* subv Rm,Rn */ |
970 |
tcg_gen_helper_1_2(helper_subv, REG(B11_8), REG(B7_4), REG(B11_8)); |
971 |
return;
|
972 |
case 0x2008: /* tst Rm,Rn */ |
973 |
{ |
974 |
TCGv val = tcg_temp_new(TCG_TYPE_I32); |
975 |
tcg_gen_and_i32(val, REG(B7_4), REG(B11_8)); |
976 |
gen_cmp_imm(TCG_COND_EQ, val, 0);
|
977 |
tcg_temp_free(val); |
978 |
} |
979 |
return;
|
980 |
case 0x200a: /* xor Rm,Rn */ |
981 |
tcg_gen_xor_i32(REG(B11_8), REG(B11_8), REG(B7_4)); |
982 |
return;
|
983 |
case 0xf00c: /* fmov {F,D,X}Rm,{F,D,X}Rn - FPSCR: Nothing */ |
984 |
if (ctx->fpscr & FPSCR_SZ) {
|
985 |
TCGv fp = tcg_temp_new(TCG_TYPE_I64); |
986 |
gen_load_fpr64(fp, XREG(B7_4)); |
987 |
gen_store_fpr64(fp, XREG(B11_8)); |
988 |
tcg_temp_free(fp); |
989 |
} else {
|
990 |
TCGv fp = tcg_temp_new(TCG_TYPE_I32); |
991 |
gen_load_fpr32(fp, FREG(B7_4)); |
992 |
gen_store_fpr32(fp, FREG(B11_8)); |
993 |
tcg_temp_free(fp); |
994 |
} |
995 |
return;
|
996 |
case 0xf00a: /* fmov {F,D,X}Rm,@Rn - FPSCR: Nothing */ |
997 |
if (ctx->fpscr & FPSCR_SZ) {
|
998 |
TCGv fp = tcg_temp_new(TCG_TYPE_I64); |
999 |
gen_load_fpr64(fp, XREG(B7_4)); |
1000 |
tcg_gen_qemu_st64(fp, REG(B11_8), ctx->memidx); |
1001 |
tcg_temp_free(fp); |
1002 |
} else {
|
1003 |
TCGv fp = tcg_temp_new(TCG_TYPE_I32); |
1004 |
gen_load_fpr32(fp, FREG(B7_4)); |
1005 |
tcg_gen_qemu_st32(fp, REG(B11_8), ctx->memidx); |
1006 |
tcg_temp_free(fp); |
1007 |
} |
1008 |
return;
|
1009 |
case 0xf008: /* fmov @Rm,{F,D,X}Rn - FPSCR: Nothing */ |
1010 |
if (ctx->fpscr & FPSCR_SZ) {
|
1011 |
TCGv fp = tcg_temp_new(TCG_TYPE_I64); |
1012 |
tcg_gen_qemu_ld64(fp, REG(B7_4), ctx->memidx); |
1013 |
gen_store_fpr64(fp, XREG(B11_8)); |
1014 |
tcg_temp_free(fp); |
1015 |
} else {
|
1016 |
TCGv fp = tcg_temp_new(TCG_TYPE_I32); |
1017 |
tcg_gen_qemu_ld32u(fp, REG(B7_4), ctx->memidx); |
1018 |
gen_store_fpr32(fp, FREG(B11_8)); |
1019 |
tcg_temp_free(fp); |
1020 |
} |
1021 |
return;
|
1022 |
case 0xf009: /* fmov @Rm+,{F,D,X}Rn - FPSCR: Nothing */ |
1023 |
if (ctx->fpscr & FPSCR_SZ) {
|
1024 |
TCGv fp = tcg_temp_new(TCG_TYPE_I64); |
1025 |
tcg_gen_qemu_ld64(fp, REG(B7_4), ctx->memidx); |
1026 |
gen_store_fpr64(fp, XREG(B11_8)); |
1027 |
tcg_temp_free(fp); |
1028 |
tcg_gen_addi_i32(REG(B7_4),REG(B7_4), 8);
|
1029 |
} else {
|
1030 |
TCGv fp = tcg_temp_new(TCG_TYPE_I32); |
1031 |
tcg_gen_qemu_ld32u(fp, REG(B7_4), ctx->memidx); |
1032 |
gen_store_fpr32(fp, FREG(B11_8)); |
1033 |
tcg_temp_free(fp); |
1034 |
tcg_gen_addi_i32(REG(B7_4), REG(B7_4), 4);
|
1035 |
} |
1036 |
return;
|
1037 |
case 0xf00b: /* fmov {F,D,X}Rm,@-Rn - FPSCR: Nothing */ |
1038 |
if (ctx->fpscr & FPSCR_SZ) {
|
1039 |
TCGv addr, fp; |
1040 |
addr = tcg_temp_new(TCG_TYPE_I32); |
1041 |
tcg_gen_subi_i32(addr, REG(B11_8), 8);
|
1042 |
fp = tcg_temp_new(TCG_TYPE_I64); |
1043 |
gen_load_fpr64(fp, XREG(B7_4)); |
1044 |
tcg_gen_qemu_st64(fp, addr, ctx->memidx); |
1045 |
tcg_temp_free(fp); |
1046 |
tcg_temp_free(addr); |
1047 |
tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 8);
|
1048 |
} else {
|
1049 |
TCGv addr, fp; |
1050 |
addr = tcg_temp_new(TCG_TYPE_I32); |
1051 |
tcg_gen_subi_i32(addr, REG(B11_8), 4);
|
1052 |
fp = tcg_temp_new(TCG_TYPE_I32); |
1053 |
gen_load_fpr32(fp, FREG(B7_4)); |
1054 |
tcg_gen_qemu_st32(fp, addr, ctx->memidx); |
1055 |
tcg_temp_free(fp); |
1056 |
tcg_temp_free(addr); |
1057 |
tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 4);
|
1058 |
} |
1059 |
return;
|
1060 |
case 0xf006: /* fmov @(R0,Rm),{F,D,X}Rm - FPSCR: Nothing */ |
1061 |
{ |
1062 |
TCGv addr = tcg_temp_new(TCG_TYPE_I32); |
1063 |
tcg_gen_add_i32(addr, REG(B7_4), REG(0));
|
1064 |
if (ctx->fpscr & FPSCR_SZ) {
|
1065 |
TCGv fp = tcg_temp_new(TCG_TYPE_I64); |
1066 |
tcg_gen_qemu_ld64(fp, addr, ctx->memidx); |
1067 |
gen_store_fpr64(fp, XREG(B11_8)); |
1068 |
tcg_temp_free(fp); |
1069 |
} else {
|
1070 |
TCGv fp = tcg_temp_new(TCG_TYPE_I32); |
1071 |
tcg_gen_qemu_ld32u(fp, addr, ctx->memidx); |
1072 |
gen_store_fpr32(fp, FREG(B11_8)); |
1073 |
tcg_temp_free(fp); |
1074 |
} |
1075 |
tcg_temp_free(addr); |
1076 |
} |
1077 |
return;
|
1078 |
case 0xf007: /* fmov {F,D,X}Rn,@(R0,Rn) - FPSCR: Nothing */ |
1079 |
{ |
1080 |
TCGv addr = tcg_temp_new(TCG_TYPE_I32); |
1081 |
tcg_gen_add_i32(addr, REG(B11_8), REG(0));
|
1082 |
if (ctx->fpscr & FPSCR_SZ) {
|
1083 |
TCGv fp = tcg_temp_new(TCG_TYPE_I64); |
1084 |
gen_load_fpr64(fp, XREG(B7_4)); |
1085 |
tcg_gen_qemu_st64(fp, addr, ctx->memidx); |
1086 |
tcg_temp_free(fp); |
1087 |
} else {
|
1088 |
TCGv fp = tcg_temp_new(TCG_TYPE_I32); |
1089 |
gen_load_fpr32(fp, FREG(B7_4)); |
1090 |
tcg_gen_qemu_st32(fp, addr, ctx->memidx); |
1091 |
tcg_temp_free(fp); |
1092 |
} |
1093 |
tcg_temp_free(addr); |
1094 |
} |
1095 |
return;
|
1096 |
case 0xf000: /* fadd Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */ |
1097 |
case 0xf001: /* fsub Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */ |
1098 |
case 0xf002: /* fmul Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */ |
1099 |
case 0xf003: /* fdiv Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */ |
1100 |
case 0xf004: /* fcmp/eq Rm,Rn - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */ |
1101 |
case 0xf005: /* fcmp/gt Rm,Rn - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */ |
1102 |
{ |
1103 |
TCGv fp0, fp1; |
1104 |
|
1105 |
if (ctx->fpscr & FPSCR_PR) {
|
1106 |
if (ctx->opcode & 0x0110) |
1107 |
break; /* illegal instruction */ |
1108 |
fp0 = tcg_temp_new(TCG_TYPE_I64); |
1109 |
fp1 = tcg_temp_new(TCG_TYPE_I64); |
1110 |
gen_load_fpr64(fp0, DREG(B11_8)); |
1111 |
gen_load_fpr64(fp1, DREG(B7_4)); |
1112 |
} |
1113 |
else {
|
1114 |
fp0 = tcg_temp_new(TCG_TYPE_I32); |
1115 |
fp1 = tcg_temp_new(TCG_TYPE_I32); |
1116 |
gen_load_fpr32(fp0, FREG(B11_8)); |
1117 |
gen_load_fpr32(fp1, FREG(B7_4)); |
1118 |
} |
1119 |
|
1120 |
switch (ctx->opcode & 0xf00f) { |
1121 |
case 0xf000: /* fadd Rm,Rn */ |
1122 |
if (ctx->fpscr & FPSCR_PR)
|
1123 |
tcg_gen_helper_1_2(helper_fadd_DT, fp0, fp0, fp1); |
1124 |
else
|
1125 |
tcg_gen_helper_1_2(helper_fadd_FT, fp0, fp0, fp1); |
1126 |
break;
|
1127 |
case 0xf001: /* fsub Rm,Rn */ |
1128 |
if (ctx->fpscr & FPSCR_PR)
|
1129 |
tcg_gen_helper_1_2(helper_fsub_DT, fp0, fp0, fp1); |
1130 |
else
|
1131 |
tcg_gen_helper_1_2(helper_fsub_FT, fp0, fp0, fp1); |
1132 |
break;
|
1133 |
case 0xf002: /* fmul Rm,Rn */ |
1134 |
if (ctx->fpscr & FPSCR_PR)
|
1135 |
tcg_gen_helper_1_2(helper_fmul_DT, fp0, fp0, fp1); |
1136 |
else
|
1137 |
tcg_gen_helper_1_2(helper_fmul_FT, fp0, fp0, fp1); |
1138 |
break;
|
1139 |
case 0xf003: /* fdiv Rm,Rn */ |
1140 |
if (ctx->fpscr & FPSCR_PR)
|
1141 |
tcg_gen_helper_1_2(helper_fdiv_DT, fp0, fp0, fp1); |
1142 |
else
|
1143 |
tcg_gen_helper_1_2(helper_fdiv_FT, fp0, fp0, fp1); |
1144 |
break;
|
1145 |
case 0xf004: /* fcmp/eq Rm,Rn */ |
1146 |
if (ctx->fpscr & FPSCR_PR)
|
1147 |
tcg_gen_helper_0_2(helper_fcmp_eq_DT, fp0, fp1); |
1148 |
else
|
1149 |
tcg_gen_helper_0_2(helper_fcmp_eq_FT, fp0, fp1); |
1150 |
return;
|
1151 |
case 0xf005: /* fcmp/gt Rm,Rn */ |
1152 |
if (ctx->fpscr & FPSCR_PR)
|
1153 |
tcg_gen_helper_0_2(helper_fcmp_gt_DT, fp0, fp1); |
1154 |
else
|
1155 |
tcg_gen_helper_0_2(helper_fcmp_gt_FT, fp0, fp1); |
1156 |
return;
|
1157 |
} |
1158 |
|
1159 |
if (ctx->fpscr & FPSCR_PR) {
|
1160 |
gen_store_fpr64(fp0, DREG(B11_8)); |
1161 |
} |
1162 |
else {
|
1163 |
gen_store_fpr32(fp0, FREG(B11_8)); |
1164 |
} |
1165 |
tcg_temp_free(fp1); |
1166 |
tcg_temp_free(fp0); |
1167 |
} |
1168 |
return;
|
1169 |
} |
1170 |
|
1171 |
switch (ctx->opcode & 0xff00) { |
1172 |
case 0xc900: /* and #imm,R0 */ |
1173 |
tcg_gen_andi_i32(REG(0), REG(0), B7_0); |
1174 |
return;
|
1175 |
case 0xcd00: /* and.b #imm,@(R0,GBR) */ |
1176 |
{ |
1177 |
TCGv addr, val; |
1178 |
addr = tcg_temp_new(TCG_TYPE_I32); |
1179 |
tcg_gen_add_i32(addr, REG(0), cpu_gbr);
|
1180 |
val = tcg_temp_new(TCG_TYPE_I32); |
1181 |
tcg_gen_qemu_ld8u(val, addr, ctx->memidx); |
1182 |
tcg_gen_andi_i32(val, val, B7_0); |
1183 |
tcg_gen_qemu_st8(val, addr, ctx->memidx); |
1184 |
tcg_temp_free(val); |
1185 |
tcg_temp_free(addr); |
1186 |
} |
1187 |
return;
|
1188 |
case 0x8b00: /* bf label */ |
1189 |
CHECK_NOT_DELAY_SLOT |
1190 |
gen_conditional_jump(ctx, ctx->pc + 2,
|
1191 |
ctx->pc + 4 + B7_0s * 2); |
1192 |
ctx->bstate = BS_BRANCH; |
1193 |
return;
|
1194 |
case 0x8f00: /* bf/s label */ |
1195 |
CHECK_NOT_DELAY_SLOT |
1196 |
gen_branch_slot(ctx->delayed_pc = ctx->pc + 4 + B7_0s * 2, 0); |
1197 |
ctx->flags |= DELAY_SLOT_CONDITIONAL; |
1198 |
return;
|
1199 |
case 0x8900: /* bt label */ |
1200 |
CHECK_NOT_DELAY_SLOT |
1201 |
gen_conditional_jump(ctx, ctx->pc + 4 + B7_0s * 2, |
1202 |
ctx->pc + 2);
|
1203 |
ctx->bstate = BS_BRANCH; |
1204 |
return;
|
1205 |
case 0x8d00: /* bt/s label */ |
1206 |
CHECK_NOT_DELAY_SLOT |
1207 |
gen_branch_slot(ctx->delayed_pc = ctx->pc + 4 + B7_0s * 2, 1); |
1208 |
ctx->flags |= DELAY_SLOT_CONDITIONAL; |
1209 |
return;
|
1210 |
case 0x8800: /* cmp/eq #imm,R0 */ |
1211 |
gen_cmp_imm(TCG_COND_EQ, REG(0), B7_0s);
|
1212 |
return;
|
1213 |
case 0xc400: /* mov.b @(disp,GBR),R0 */ |
1214 |
{ |
1215 |
TCGv addr = tcg_temp_new(TCG_TYPE_I32); |
1216 |
tcg_gen_addi_i32(addr, cpu_gbr, B7_0); |
1217 |
tcg_gen_qemu_ld8s(REG(0), addr, ctx->memidx);
|
1218 |
tcg_temp_free(addr); |
1219 |
} |
1220 |
return;
|
1221 |
case 0xc500: /* mov.w @(disp,GBR),R0 */ |
1222 |
{ |
1223 |
TCGv addr = tcg_temp_new(TCG_TYPE_I32); |
1224 |
tcg_gen_addi_i32(addr, cpu_gbr, B7_0 * 2);
|
1225 |
tcg_gen_qemu_ld16s(REG(0), addr, ctx->memidx);
|
1226 |
tcg_temp_free(addr); |
1227 |
} |
1228 |
return;
|
1229 |
case 0xc600: /* mov.l @(disp,GBR),R0 */ |
1230 |
{ |
1231 |
TCGv addr = tcg_temp_new(TCG_TYPE_I32); |
1232 |
tcg_gen_addi_i32(addr, cpu_gbr, B7_0 * 4);
|
1233 |
tcg_gen_qemu_ld32s(REG(0), addr, ctx->memidx);
|
1234 |
tcg_temp_free(addr); |
1235 |
} |
1236 |
return;
|
1237 |
case 0xc000: /* mov.b R0,@(disp,GBR) */ |
1238 |
{ |
1239 |
TCGv addr = tcg_temp_new(TCG_TYPE_I32); |
1240 |
tcg_gen_addi_i32(addr, cpu_gbr, B7_0); |
1241 |
tcg_gen_qemu_st8(REG(0), addr, ctx->memidx);
|
1242 |
tcg_temp_free(addr); |
1243 |
} |
1244 |
return;
|
1245 |
case 0xc100: /* mov.w R0,@(disp,GBR) */ |
1246 |
{ |
1247 |
TCGv addr = tcg_temp_new(TCG_TYPE_I32); |
1248 |
tcg_gen_addi_i32(addr, cpu_gbr, B7_0 * 2);
|
1249 |
tcg_gen_qemu_st16(REG(0), addr, ctx->memidx);
|
1250 |
tcg_temp_free(addr); |
1251 |
} |
1252 |
return;
|
1253 |
case 0xc200: /* mov.l R0,@(disp,GBR) */ |
1254 |
{ |
1255 |
TCGv addr = tcg_temp_new(TCG_TYPE_I32); |
1256 |
tcg_gen_addi_i32(addr, cpu_gbr, B7_0 * 4);
|
1257 |
tcg_gen_qemu_st32(REG(0), addr, ctx->memidx);
|
1258 |
tcg_temp_free(addr); |
1259 |
} |
1260 |
return;
|
1261 |
case 0x8000: /* mov.b R0,@(disp,Rn) */ |
1262 |
{ |
1263 |
TCGv addr = tcg_temp_new(TCG_TYPE_I32); |
1264 |
tcg_gen_addi_i32(addr, REG(B7_4), B3_0); |
1265 |
tcg_gen_qemu_st8(REG(0), addr, ctx->memidx);
|
1266 |
tcg_temp_free(addr); |
1267 |
} |
1268 |
return;
|
1269 |
case 0x8100: /* mov.w R0,@(disp,Rn) */ |
1270 |
{ |
1271 |
TCGv addr = tcg_temp_new(TCG_TYPE_I32); |
1272 |
tcg_gen_addi_i32(addr, REG(B7_4), B3_0 * 2);
|
1273 |
tcg_gen_qemu_st16(REG(0), addr, ctx->memidx);
|
1274 |
tcg_temp_free(addr); |
1275 |
} |
1276 |
return;
|
1277 |
case 0x8400: /* mov.b @(disp,Rn),R0 */ |
1278 |
{ |
1279 |
TCGv addr = tcg_temp_new(TCG_TYPE_I32); |
1280 |
tcg_gen_addi_i32(addr, REG(B7_4), B3_0); |
1281 |
tcg_gen_qemu_ld8s(REG(0), addr, ctx->memidx);
|
1282 |
tcg_temp_free(addr); |
1283 |
} |
1284 |
return;
|
1285 |
case 0x8500: /* mov.w @(disp,Rn),R0 */ |
1286 |
{ |
1287 |
TCGv addr = tcg_temp_new(TCG_TYPE_I32); |
1288 |
tcg_gen_addi_i32(addr, REG(B7_4), B3_0 * 2);
|
1289 |
tcg_gen_qemu_ld16s(REG(0), addr, ctx->memidx);
|
1290 |
tcg_temp_free(addr); |
1291 |
} |
1292 |
return;
|
1293 |
case 0xc700: /* mova @(disp,PC),R0 */ |
1294 |
tcg_gen_movi_i32(REG(0), ((ctx->pc & 0xfffffffc) + 4 + B7_0 * 4) & ~3); |
1295 |
return;
|
1296 |
case 0xcb00: /* or #imm,R0 */ |
1297 |
tcg_gen_ori_i32(REG(0), REG(0), B7_0); |
1298 |
return;
|
1299 |
case 0xcf00: /* or.b #imm,@(R0,GBR) */ |
1300 |
{ |
1301 |
TCGv addr, val; |
1302 |
addr = tcg_temp_new(TCG_TYPE_I32); |
1303 |
tcg_gen_add_i32(addr, REG(0), cpu_gbr);
|
1304 |
val = tcg_temp_new(TCG_TYPE_I32); |
1305 |
tcg_gen_qemu_ld8u(val, addr, ctx->memidx); |
1306 |
tcg_gen_ori_i32(val, val, B7_0); |
1307 |
tcg_gen_qemu_st8(val, addr, ctx->memidx); |
1308 |
tcg_temp_free(val); |
1309 |
tcg_temp_free(addr); |
1310 |
} |
1311 |
return;
|
1312 |
case 0xc300: /* trapa #imm */ |
1313 |
{ |
1314 |
TCGv imm; |
1315 |
CHECK_NOT_DELAY_SLOT |
1316 |
tcg_gen_movi_i32(cpu_pc, ctx->pc); |
1317 |
imm = tcg_const_i32(B7_0); |
1318 |
tcg_gen_helper_0_1(helper_trapa, imm); |
1319 |
tcg_temp_free(imm); |
1320 |
ctx->bstate = BS_BRANCH; |
1321 |
} |
1322 |
return;
|
1323 |
case 0xc800: /* tst #imm,R0 */ |
1324 |
{ |
1325 |
TCGv val = tcg_temp_new(TCG_TYPE_I32); |
1326 |
tcg_gen_andi_i32(val, REG(0), B7_0);
|
1327 |
gen_cmp_imm(TCG_COND_EQ, val, 0);
|
1328 |
tcg_temp_free(val); |
1329 |
} |
1330 |
return;
|
1331 |
case 0xcc00: /* tst.b #imm,@(R0,GBR) */ |
1332 |
{ |
1333 |
TCGv val = tcg_temp_new(TCG_TYPE_I32); |
1334 |
tcg_gen_add_i32(val, REG(0), cpu_gbr);
|
1335 |
tcg_gen_qemu_ld8u(val, val, ctx->memidx); |
1336 |
tcg_gen_andi_i32(val, val, B7_0); |
1337 |
gen_cmp_imm(TCG_COND_EQ, val, 0);
|
1338 |
tcg_temp_free(val); |
1339 |
} |
1340 |
return;
|
1341 |
case 0xca00: /* xor #imm,R0 */ |
1342 |
tcg_gen_xori_i32(REG(0), REG(0), B7_0); |
1343 |
return;
|
1344 |
case 0xce00: /* xor.b #imm,@(R0,GBR) */ |
1345 |
{ |
1346 |
TCGv addr, val; |
1347 |
addr = tcg_temp_new(TCG_TYPE_I32); |
1348 |
tcg_gen_add_i32(addr, REG(0), cpu_gbr);
|
1349 |
val = tcg_temp_new(TCG_TYPE_I32); |
1350 |
tcg_gen_qemu_ld8u(val, addr, ctx->memidx); |
1351 |
tcg_gen_xori_i32(val, val, B7_0); |
1352 |
tcg_gen_qemu_st8(val, addr, ctx->memidx); |
1353 |
tcg_temp_free(val); |
1354 |
tcg_temp_free(addr); |
1355 |
} |
1356 |
return;
|
1357 |
} |
1358 |
|
1359 |
switch (ctx->opcode & 0xf08f) { |
1360 |
case 0x408e: /* ldc Rm,Rn_BANK */ |
1361 |
CHECK_PRIVILEGED |
1362 |
tcg_gen_mov_i32(ALTREG(B6_4), REG(B11_8)); |
1363 |
return;
|
1364 |
case 0x4087: /* ldc.l @Rm+,Rn_BANK */ |
1365 |
CHECK_PRIVILEGED |
1366 |
tcg_gen_qemu_ld32s(ALTREG(B6_4), REG(B11_8), ctx->memidx); |
1367 |
tcg_gen_addi_i32(REG(B11_8), REG(B11_8), 4);
|
1368 |
return;
|
1369 |
case 0x0082: /* stc Rm_BANK,Rn */ |
1370 |
CHECK_PRIVILEGED |
1371 |
tcg_gen_mov_i32(REG(B11_8), ALTREG(B6_4)); |
1372 |
return;
|
1373 |
case 0x4083: /* stc.l Rm_BANK,@-Rn */ |
1374 |
CHECK_PRIVILEGED |
1375 |
{ |
1376 |
TCGv addr = tcg_temp_new(TCG_TYPE_I32); |
1377 |
tcg_gen_subi_i32(addr, REG(B11_8), 4);
|
1378 |
tcg_gen_qemu_st32(ALTREG(B6_4), addr, ctx->memidx); |
1379 |
tcg_temp_free(addr); |
1380 |
tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 4);
|
1381 |
} |
1382 |
return;
|
1383 |
} |
1384 |
|
1385 |
switch (ctx->opcode & 0xf0ff) { |
1386 |
case 0x0023: /* braf Rn */ |
1387 |
CHECK_NOT_DELAY_SLOT |
1388 |
tcg_gen_addi_i32(cpu_delayed_pc, REG(B11_8), ctx->pc + 4);
|
1389 |
ctx->flags |= DELAY_SLOT; |
1390 |
ctx->delayed_pc = (uint32_t) - 1;
|
1391 |
return;
|
1392 |
case 0x0003: /* bsrf Rn */ |
1393 |
CHECK_NOT_DELAY_SLOT |
1394 |
tcg_gen_movi_i32(cpu_pr, ctx->pc + 4);
|
1395 |
tcg_gen_add_i32(cpu_delayed_pc, REG(B11_8), cpu_pr); |
1396 |
ctx->flags |= DELAY_SLOT; |
1397 |
ctx->delayed_pc = (uint32_t) - 1;
|
1398 |
return;
|
1399 |
case 0x4015: /* cmp/pl Rn */ |
1400 |
gen_cmp_imm(TCG_COND_GT, REG(B11_8), 0);
|
1401 |
return;
|
1402 |
case 0x4011: /* cmp/pz Rn */ |
1403 |
gen_cmp_imm(TCG_COND_GE, REG(B11_8), 0);
|
1404 |
return;
|
1405 |
case 0x4010: /* dt Rn */ |
1406 |
tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 1);
|
1407 |
gen_cmp_imm(TCG_COND_EQ, REG(B11_8), 0);
|
1408 |
return;
|
1409 |
case 0x402b: /* jmp @Rn */ |
1410 |
CHECK_NOT_DELAY_SLOT |
1411 |
tcg_gen_mov_i32(cpu_delayed_pc, REG(B11_8)); |
1412 |
ctx->flags |= DELAY_SLOT; |
1413 |
ctx->delayed_pc = (uint32_t) - 1;
|
1414 |
return;
|
1415 |
case 0x400b: /* jsr @Rn */ |
1416 |
CHECK_NOT_DELAY_SLOT |
1417 |
tcg_gen_movi_i32(cpu_pr, ctx->pc + 4);
|
1418 |
tcg_gen_mov_i32(cpu_delayed_pc, REG(B11_8)); |
1419 |
ctx->flags |= DELAY_SLOT; |
1420 |
ctx->delayed_pc = (uint32_t) - 1;
|
1421 |
return;
|
1422 |
case 0x400e: /* ldc Rm,SR */ |
1423 |
CHECK_PRIVILEGED |
1424 |
tcg_gen_andi_i32(cpu_sr, REG(B11_8), 0x700083f3);
|
1425 |
ctx->bstate = BS_STOP; |
1426 |
return;
|
1427 |
case 0x4007: /* ldc.l @Rm+,SR */ |
1428 |
CHECK_PRIVILEGED |
1429 |
{ |
1430 |
TCGv val = tcg_temp_new(TCG_TYPE_I32); |
1431 |
tcg_gen_qemu_ld32s(val, REG(B11_8), ctx->memidx); |
1432 |
tcg_gen_andi_i32(cpu_sr, val, 0x700083f3);
|
1433 |
tcg_temp_free(val); |
1434 |
tcg_gen_addi_i32(REG(B11_8), REG(B11_8), 4);
|
1435 |
ctx->bstate = BS_STOP; |
1436 |
} |
1437 |
return;
|
1438 |
case 0x0002: /* stc SR,Rn */ |
1439 |
CHECK_PRIVILEGED |
1440 |
tcg_gen_mov_i32(REG(B11_8), cpu_sr); |
1441 |
return;
|
1442 |
case 0x4003: /* stc SR,@-Rn */ |
1443 |
CHECK_PRIVILEGED |
1444 |
{ |
1445 |
TCGv addr = tcg_temp_new(TCG_TYPE_I32); |
1446 |
tcg_gen_subi_i32(addr, REG(B11_8), 4);
|
1447 |
tcg_gen_qemu_st32(cpu_sr, addr, ctx->memidx); |
1448 |
tcg_temp_free(addr); |
1449 |
tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 4);
|
1450 |
} |
1451 |
return;
|
1452 |
#define LDST(reg,ldnum,ldpnum,stnum,stpnum,prechk) \
|
1453 |
case ldnum: \
|
1454 |
prechk \ |
1455 |
tcg_gen_mov_i32 (cpu_##reg, REG(B11_8)); \ |
1456 |
return; \
|
1457 |
case ldpnum: \
|
1458 |
prechk \ |
1459 |
tcg_gen_qemu_ld32s (cpu_##reg, REG(B11_8), ctx->memidx); \ |
1460 |
tcg_gen_addi_i32(REG(B11_8), REG(B11_8), 4); \
|
1461 |
return; \
|
1462 |
case stnum: \
|
1463 |
prechk \ |
1464 |
tcg_gen_mov_i32 (REG(B11_8), cpu_##reg); \ |
1465 |
return; \
|
1466 |
case stpnum: \
|
1467 |
prechk \ |
1468 |
{ \ |
1469 |
TCGv addr = tcg_temp_new(TCG_TYPE_I32); \ |
1470 |
tcg_gen_subi_i32(addr, REG(B11_8), 4); \
|
1471 |
tcg_gen_qemu_st32 (cpu_##reg, addr, ctx->memidx); \ |
1472 |
tcg_temp_free(addr); \ |
1473 |
tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 4); \
|
1474 |
} \ |
1475 |
return;
|
1476 |
LDST(gbr, 0x401e, 0x4017, 0x0012, 0x4013, {}) |
1477 |
LDST(vbr, 0x402e, 0x4027, 0x0022, 0x4023, CHECK_PRIVILEGED) |
1478 |
LDST(ssr, 0x403e, 0x4037, 0x0032, 0x4033, CHECK_PRIVILEGED) |
1479 |
LDST(spc, 0x404e, 0x4047, 0x0042, 0x4043, CHECK_PRIVILEGED) |
1480 |
LDST(dbr, 0x40fa, 0x40f6, 0x00fa, 0x40f2, CHECK_PRIVILEGED) |
1481 |
LDST(mach, 0x400a, 0x4006, 0x000a, 0x4002, {}) |
1482 |
LDST(macl, 0x401a, 0x4016, 0x001a, 0x4012, {}) |
1483 |
LDST(pr, 0x402a, 0x4026, 0x002a, 0x4022, {}) |
1484 |
LDST(fpul, 0x405a, 0x4056, 0x005a, 0x4052, {}) |
1485 |
case 0x406a: /* lds Rm,FPSCR */ |
1486 |
tcg_gen_helper_0_1(helper_ld_fpscr, REG(B11_8)); |
1487 |
ctx->bstate = BS_STOP; |
1488 |
return;
|
1489 |
case 0x4066: /* lds.l @Rm+,FPSCR */ |
1490 |
{ |
1491 |
TCGv addr = tcg_temp_new(TCG_TYPE_I32); |
1492 |
tcg_gen_qemu_ld32s(addr, REG(B11_8), ctx->memidx); |
1493 |
tcg_gen_addi_i32(REG(B11_8), REG(B11_8), 4);
|
1494 |
tcg_gen_helper_0_1(helper_ld_fpscr, addr); |
1495 |
tcg_temp_free(addr); |
1496 |
ctx->bstate = BS_STOP; |
1497 |
} |
1498 |
return;
|
1499 |
case 0x006a: /* sts FPSCR,Rn */ |
1500 |
tcg_gen_andi_i32(REG(B11_8), cpu_fpscr, 0x003fffff);
|
1501 |
return;
|
1502 |
case 0x4062: /* sts FPSCR,@-Rn */ |
1503 |
{ |
1504 |
TCGv addr, val; |
1505 |
val = tcg_temp_new(TCG_TYPE_I32); |
1506 |
tcg_gen_andi_i32(val, cpu_fpscr, 0x003fffff);
|
1507 |
addr = tcg_temp_new(TCG_TYPE_I32); |
1508 |
tcg_gen_subi_i32(addr, REG(B11_8), 4);
|
1509 |
tcg_gen_qemu_st32(val, addr, ctx->memidx); |
1510 |
tcg_temp_free(addr); |
1511 |
tcg_temp_free(val); |
1512 |
tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 4);
|
1513 |
} |
1514 |
return;
|
1515 |
case 0x00c3: /* movca.l R0,@Rm */ |
1516 |
tcg_gen_qemu_st32(REG(0), REG(B11_8), ctx->memidx);
|
1517 |
return;
|
1518 |
case 0x0029: /* movt Rn */ |
1519 |
tcg_gen_andi_i32(REG(B11_8), cpu_sr, SR_T); |
1520 |
return;
|
1521 |
case 0x0093: /* ocbi @Rn */ |
1522 |
{ |
1523 |
TCGv dummy = tcg_temp_new(TCG_TYPE_I32); |
1524 |
tcg_gen_qemu_ld32s(dummy, REG(B11_8), ctx->memidx); |
1525 |
tcg_temp_free(dummy); |
1526 |
} |
1527 |
return;
|
1528 |
case 0x00a3: /* ocbp @Rn */ |
1529 |
{ |
1530 |
TCGv dummy = tcg_temp_new(TCG_TYPE_I32); |
1531 |
tcg_gen_qemu_ld32s(dummy, REG(B11_8), ctx->memidx); |
1532 |
tcg_temp_free(dummy); |
1533 |
} |
1534 |
return;
|
1535 |
case 0x00b3: /* ocbwb @Rn */ |
1536 |
{ |
1537 |
TCGv dummy = tcg_temp_new(TCG_TYPE_I32); |
1538 |
tcg_gen_qemu_ld32s(dummy, REG(B11_8), ctx->memidx); |
1539 |
tcg_temp_free(dummy); |
1540 |
} |
1541 |
return;
|
1542 |
case 0x0083: /* pref @Rn */ |
1543 |
return;
|
1544 |
case 0x4024: /* rotcl Rn */ |
1545 |
{ |
1546 |
TCGv tmp = tcg_temp_new(TCG_TYPE_I32); |
1547 |
tcg_gen_mov_i32(tmp, cpu_sr); |
1548 |
gen_copy_bit_i32(cpu_sr, 0, REG(B11_8), 31); |
1549 |
tcg_gen_shli_i32(REG(B11_8), REG(B11_8), 1);
|
1550 |
gen_copy_bit_i32(REG(B11_8), 0, tmp, 0); |
1551 |
tcg_temp_free(tmp); |
1552 |
} |
1553 |
return;
|
1554 |
case 0x4025: /* rotcr Rn */ |
1555 |
{ |
1556 |
TCGv tmp = tcg_temp_new(TCG_TYPE_I32); |
1557 |
tcg_gen_mov_i32(tmp, cpu_sr); |
1558 |
gen_copy_bit_i32(cpu_sr, 0, REG(B11_8), 0); |
1559 |
tcg_gen_shri_i32(REG(B11_8), REG(B11_8), 1);
|
1560 |
gen_copy_bit_i32(REG(B11_8), 31, tmp, 0); |
1561 |
tcg_temp_free(tmp); |
1562 |
} |
1563 |
return;
|
1564 |
case 0x4004: /* rotl Rn */ |
1565 |
gen_copy_bit_i32(cpu_sr, 0, REG(B11_8), 31); |
1566 |
tcg_gen_shli_i32(REG(B11_8), REG(B11_8), 1);
|
1567 |
gen_copy_bit_i32(REG(B11_8), 0, cpu_sr, 0); |
1568 |
return;
|
1569 |
case 0x4005: /* rotr Rn */ |
1570 |
gen_copy_bit_i32(cpu_sr, 0, REG(B11_8), 0); |
1571 |
tcg_gen_shri_i32(REG(B11_8), REG(B11_8), 1);
|
1572 |
gen_copy_bit_i32(REG(B11_8), 31, cpu_sr, 0); |
1573 |
return;
|
1574 |
case 0x4000: /* shll Rn */ |
1575 |
case 0x4020: /* shal Rn */ |
1576 |
gen_copy_bit_i32(cpu_sr, 0, REG(B11_8), 31); |
1577 |
tcg_gen_shli_i32(REG(B11_8), REG(B11_8), 1);
|
1578 |
return;
|
1579 |
case 0x4021: /* shar Rn */ |
1580 |
gen_copy_bit_i32(cpu_sr, 0, REG(B11_8), 0); |
1581 |
tcg_gen_sari_i32(REG(B11_8), REG(B11_8), 1);
|
1582 |
return;
|
1583 |
case 0x4001: /* shlr Rn */ |
1584 |
gen_copy_bit_i32(cpu_sr, 0, REG(B11_8), 0); |
1585 |
tcg_gen_shri_i32(REG(B11_8), REG(B11_8), 1);
|
1586 |
return;
|
1587 |
case 0x4008: /* shll2 Rn */ |
1588 |
tcg_gen_shli_i32(REG(B11_8), REG(B11_8), 2);
|
1589 |
return;
|
1590 |
case 0x4018: /* shll8 Rn */ |
1591 |
tcg_gen_shli_i32(REG(B11_8), REG(B11_8), 8);
|
1592 |
return;
|
1593 |
case 0x4028: /* shll16 Rn */ |
1594 |
tcg_gen_shli_i32(REG(B11_8), REG(B11_8), 16);
|
1595 |
return;
|
1596 |
case 0x4009: /* shlr2 Rn */ |
1597 |
tcg_gen_shri_i32(REG(B11_8), REG(B11_8), 2);
|
1598 |
return;
|
1599 |
case 0x4019: /* shlr8 Rn */ |
1600 |
tcg_gen_shri_i32(REG(B11_8), REG(B11_8), 8);
|
1601 |
return;
|
1602 |
case 0x4029: /* shlr16 Rn */ |
1603 |
tcg_gen_shri_i32(REG(B11_8), REG(B11_8), 16);
|
1604 |
return;
|
1605 |
case 0x401b: /* tas.b @Rn */ |
1606 |
{ |
1607 |
TCGv addr, val; |
1608 |
addr = tcg_temp_local_new(TCG_TYPE_I32); |
1609 |
tcg_gen_mov_i32(addr, REG(B11_8)); |
1610 |
val = tcg_temp_local_new(TCG_TYPE_I32); |
1611 |
tcg_gen_qemu_ld8u(val, addr, ctx->memidx); |
1612 |
gen_cmp_imm(TCG_COND_EQ, val, 0);
|
1613 |
tcg_gen_ori_i32(val, val, 0x80);
|
1614 |
tcg_gen_qemu_st8(val, addr, ctx->memidx); |
1615 |
tcg_temp_free(val); |
1616 |
tcg_temp_free(addr); |
1617 |
} |
1618 |
return;
|
1619 |
case 0xf00d: /* fsts FPUL,FRn - FPSCR: Nothing */ |
1620 |
{ |
1621 |
TCGv fp = tcg_temp_new(TCG_TYPE_I32); |
1622 |
tcg_gen_mov_i32(fp, cpu_fpul); |
1623 |
gen_store_fpr32(fp, FREG(B11_8)); |
1624 |
tcg_temp_free(fp); |
1625 |
} |
1626 |
return;
|
1627 |
case 0xf01d: /* flds FRm,FPUL - FPSCR: Nothing */ |
1628 |
{ |
1629 |
TCGv fp = tcg_temp_new(TCG_TYPE_I32); |
1630 |
gen_load_fpr32(fp, FREG(B11_8)); |
1631 |
tcg_gen_mov_i32(cpu_fpul, fp); |
1632 |
tcg_temp_free(fp); |
1633 |
} |
1634 |
return;
|
1635 |
case 0xf02d: /* float FPUL,FRn/DRn - FPSCR: R[PR,Enable.I]/W[Cause,Flag] */ |
1636 |
if (ctx->fpscr & FPSCR_PR) {
|
1637 |
TCGv fp; |
1638 |
if (ctx->opcode & 0x0100) |
1639 |
break; /* illegal instruction */ |
1640 |
fp = tcg_temp_new(TCG_TYPE_I64); |
1641 |
tcg_gen_helper_1_1(helper_float_DT, fp, cpu_fpul); |
1642 |
gen_store_fpr64(fp, DREG(B11_8)); |
1643 |
tcg_temp_free(fp); |
1644 |
} |
1645 |
else {
|
1646 |
TCGv fp = tcg_temp_new(TCG_TYPE_I32); |
1647 |
tcg_gen_helper_1_1(helper_float_FT, fp, cpu_fpul); |
1648 |
gen_store_fpr32(fp, FREG(B11_8)); |
1649 |
tcg_temp_free(fp); |
1650 |
} |
1651 |
return;
|
1652 |
case 0xf03d: /* ftrc FRm/DRm,FPUL - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */ |
1653 |
if (ctx->fpscr & FPSCR_PR) {
|
1654 |
TCGv fp; |
1655 |
if (ctx->opcode & 0x0100) |
1656 |
break; /* illegal instruction */ |
1657 |
fp = tcg_temp_new(TCG_TYPE_I64); |
1658 |
gen_load_fpr64(fp, DREG(B11_8)); |
1659 |
tcg_gen_helper_1_1(helper_ftrc_DT, cpu_fpul, fp); |
1660 |
tcg_temp_free(fp); |
1661 |
} |
1662 |
else {
|
1663 |
TCGv fp = tcg_temp_new(TCG_TYPE_I32); |
1664 |
gen_load_fpr32(fp, FREG(B11_8)); |
1665 |
tcg_gen_helper_1_1(helper_ftrc_FT, cpu_fpul, fp); |
1666 |
tcg_temp_free(fp); |
1667 |
} |
1668 |
return;
|
1669 |
case 0xf04d: /* fneg FRn/DRn - FPSCR: Nothing */ |
1670 |
{ |
1671 |
TCGv fp = tcg_temp_new(TCG_TYPE_I32); |
1672 |
gen_load_fpr32(fp, FREG(B11_8)); |
1673 |
tcg_gen_helper_1_1(helper_fneg_T, fp, fp); |
1674 |
gen_store_fpr32(fp, FREG(B11_8)); |
1675 |
tcg_temp_free(fp); |
1676 |
} |
1677 |
return;
|
1678 |
case 0xf05d: /* fabs FRn/DRn */ |
1679 |
if (ctx->fpscr & FPSCR_PR) {
|
1680 |
if (ctx->opcode & 0x0100) |
1681 |
break; /* illegal instruction */ |
1682 |
TCGv fp = tcg_temp_new(TCG_TYPE_I64); |
1683 |
gen_load_fpr64(fp, DREG(B11_8)); |
1684 |
tcg_gen_helper_1_1(helper_fabs_DT, fp, fp); |
1685 |
gen_store_fpr64(fp, DREG(B11_8)); |
1686 |
tcg_temp_free(fp); |
1687 |
} else {
|
1688 |
TCGv fp = tcg_temp_new(TCG_TYPE_I32); |
1689 |
gen_load_fpr32(fp, FREG(B11_8)); |
1690 |
tcg_gen_helper_1_1(helper_fabs_FT, fp, fp); |
1691 |
gen_store_fpr32(fp, FREG(B11_8)); |
1692 |
tcg_temp_free(fp); |
1693 |
} |
1694 |
return;
|
1695 |
case 0xf06d: /* fsqrt FRn */ |
1696 |
if (ctx->fpscr & FPSCR_PR) {
|
1697 |
if (ctx->opcode & 0x0100) |
1698 |
break; /* illegal instruction */ |
1699 |
TCGv fp = tcg_temp_new(TCG_TYPE_I64); |
1700 |
gen_load_fpr64(fp, DREG(B11_8)); |
1701 |
tcg_gen_helper_1_1(helper_fsqrt_DT, fp, fp); |
1702 |
gen_store_fpr64(fp, DREG(B11_8)); |
1703 |
tcg_temp_free(fp); |
1704 |
} else {
|
1705 |
TCGv fp = tcg_temp_new(TCG_TYPE_I32); |
1706 |
gen_load_fpr32(fp, FREG(B11_8)); |
1707 |
tcg_gen_helper_1_1(helper_fsqrt_FT, fp, fp); |
1708 |
gen_store_fpr32(fp, FREG(B11_8)); |
1709 |
tcg_temp_free(fp); |
1710 |
} |
1711 |
return;
|
1712 |
case 0xf07d: /* fsrra FRn */ |
1713 |
break;
|
1714 |
case 0xf08d: /* fldi0 FRn - FPSCR: R[PR] */ |
1715 |
if (!(ctx->fpscr & FPSCR_PR)) {
|
1716 |
TCGv val = tcg_const_i32(0);
|
1717 |
gen_load_fpr32(val, FREG(B11_8)); |
1718 |
tcg_temp_free(val); |
1719 |
return;
|
1720 |
} |
1721 |
break;
|
1722 |
case 0xf09d: /* fldi1 FRn - FPSCR: R[PR] */ |
1723 |
if (!(ctx->fpscr & FPSCR_PR)) {
|
1724 |
TCGv val = tcg_const_i32(0x3f800000);
|
1725 |
gen_load_fpr32(val, FREG(B11_8)); |
1726 |
tcg_temp_free(val); |
1727 |
return;
|
1728 |
} |
1729 |
break;
|
1730 |
case 0xf0ad: /* fcnvsd FPUL,DRn */ |
1731 |
{ |
1732 |
TCGv fp = tcg_temp_new(TCG_TYPE_I64); |
1733 |
tcg_gen_helper_1_1(helper_fcnvsd_FT_DT, fp, cpu_fpul); |
1734 |
gen_store_fpr64(fp, DREG(B11_8)); |
1735 |
tcg_temp_free(fp); |
1736 |
} |
1737 |
return;
|
1738 |
case 0xf0bd: /* fcnvds DRn,FPUL */ |
1739 |
{ |
1740 |
TCGv fp = tcg_temp_new(TCG_TYPE_I64); |
1741 |
gen_load_fpr64(fp, DREG(B11_8)); |
1742 |
tcg_gen_helper_1_1(helper_fcnvds_DT_FT, cpu_fpul, fp); |
1743 |
tcg_temp_free(fp); |
1744 |
} |
1745 |
return;
|
1746 |
} |
1747 |
|
1748 |
fprintf(stderr, "unknown instruction 0x%04x at pc 0x%08x\n",
|
1749 |
ctx->opcode, ctx->pc); |
1750 |
tcg_gen_helper_0_0(helper_raise_illegal_instruction); |
1751 |
ctx->bstate = BS_EXCP; |
1752 |
} |
1753 |
|
1754 |
void decode_opc(DisasContext * ctx)
|
1755 |
{ |
1756 |
uint32_t old_flags = ctx->flags; |
1757 |
|
1758 |
_decode_opc(ctx); |
1759 |
|
1760 |
if (old_flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL)) {
|
1761 |
if (ctx->flags & DELAY_SLOT_CLEARME) {
|
1762 |
gen_store_flags(0);
|
1763 |
} else {
|
1764 |
/* go out of the delay slot */
|
1765 |
uint32_t new_flags = ctx->flags; |
1766 |
new_flags &= ~(DELAY_SLOT | DELAY_SLOT_CONDITIONAL); |
1767 |
gen_store_flags(new_flags); |
1768 |
} |
1769 |
ctx->flags = 0;
|
1770 |
ctx->bstate = BS_BRANCH; |
1771 |
if (old_flags & DELAY_SLOT_CONDITIONAL) {
|
1772 |
gen_delayed_conditional_jump(ctx); |
1773 |
} else if (old_flags & DELAY_SLOT) { |
1774 |
gen_jump(ctx); |
1775 |
} |
1776 |
|
1777 |
} |
1778 |
|
1779 |
/* go into a delay slot */
|
1780 |
if (ctx->flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL))
|
1781 |
gen_store_flags(ctx->flags); |
1782 |
} |
1783 |
|
1784 |
static inline void |
1785 |
gen_intermediate_code_internal(CPUState * env, TranslationBlock * tb, |
1786 |
int search_pc)
|
1787 |
{ |
1788 |
DisasContext ctx; |
1789 |
target_ulong pc_start; |
1790 |
static uint16_t *gen_opc_end;
|
1791 |
int i, ii;
|
1792 |
int num_insns;
|
1793 |
int max_insns;
|
1794 |
|
1795 |
pc_start = tb->pc; |
1796 |
gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; |
1797 |
ctx.pc = pc_start; |
1798 |
ctx.flags = (uint32_t)tb->flags; |
1799 |
ctx.bstate = BS_NONE; |
1800 |
ctx.sr = env->sr; |
1801 |
ctx.fpscr = env->fpscr; |
1802 |
ctx.memidx = (env->sr & SR_MD) ? 1 : 0; |
1803 |
/* We don't know if the delayed pc came from a dynamic or static branch,
|
1804 |
so assume it is a dynamic branch. */
|
1805 |
ctx.delayed_pc = -1; /* use delayed pc from env pointer */ |
1806 |
ctx.tb = tb; |
1807 |
ctx.singlestep_enabled = env->singlestep_enabled; |
1808 |
|
1809 |
#ifdef DEBUG_DISAS
|
1810 |
if (loglevel & CPU_LOG_TB_CPU) {
|
1811 |
fprintf(logfile, |
1812 |
"------------------------------------------------\n");
|
1813 |
cpu_dump_state(env, logfile, fprintf, 0);
|
1814 |
} |
1815 |
#endif
|
1816 |
|
1817 |
ii = -1;
|
1818 |
num_insns = 0;
|
1819 |
max_insns = tb->cflags & CF_COUNT_MASK; |
1820 |
if (max_insns == 0) |
1821 |
max_insns = CF_COUNT_MASK; |
1822 |
gen_icount_start(); |
1823 |
while (ctx.bstate == BS_NONE && gen_opc_ptr < gen_opc_end) {
|
1824 |
if (env->nb_breakpoints > 0) { |
1825 |
for (i = 0; i < env->nb_breakpoints; i++) { |
1826 |
if (ctx.pc == env->breakpoints[i]) {
|
1827 |
/* We have hit a breakpoint - make sure PC is up-to-date */
|
1828 |
tcg_gen_movi_i32(cpu_pc, ctx.pc); |
1829 |
tcg_gen_helper_0_0(helper_debug); |
1830 |
ctx.bstate = BS_EXCP; |
1831 |
break;
|
1832 |
} |
1833 |
} |
1834 |
} |
1835 |
if (search_pc) {
|
1836 |
i = gen_opc_ptr - gen_opc_buf; |
1837 |
if (ii < i) {
|
1838 |
ii++; |
1839 |
while (ii < i)
|
1840 |
gen_opc_instr_start[ii++] = 0;
|
1841 |
} |
1842 |
gen_opc_pc[ii] = ctx.pc; |
1843 |
gen_opc_hflags[ii] = ctx.flags; |
1844 |
gen_opc_instr_start[ii] = 1;
|
1845 |
gen_opc_icount[ii] = num_insns; |
1846 |
} |
1847 |
if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO)) |
1848 |
gen_io_start(); |
1849 |
#if 0
|
1850 |
fprintf(stderr, "Loading opcode at address 0x%08x\n", ctx.pc);
|
1851 |
fflush(stderr);
|
1852 |
#endif
|
1853 |
ctx.opcode = lduw_code(ctx.pc); |
1854 |
decode_opc(&ctx); |
1855 |
num_insns++; |
1856 |
ctx.pc += 2;
|
1857 |
if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0) |
1858 |
break;
|
1859 |
if (env->singlestep_enabled)
|
1860 |
break;
|
1861 |
if (num_insns >= max_insns)
|
1862 |
break;
|
1863 |
#ifdef SH4_SINGLE_STEP
|
1864 |
break;
|
1865 |
#endif
|
1866 |
} |
1867 |
if (tb->cflags & CF_LAST_IO)
|
1868 |
gen_io_end(); |
1869 |
if (env->singlestep_enabled) {
|
1870 |
tcg_gen_helper_0_0(helper_debug); |
1871 |
} else {
|
1872 |
switch (ctx.bstate) {
|
1873 |
case BS_STOP:
|
1874 |
/* gen_op_interrupt_restart(); */
|
1875 |
/* fall through */
|
1876 |
case BS_NONE:
|
1877 |
if (ctx.flags) {
|
1878 |
gen_store_flags(ctx.flags | DELAY_SLOT_CLEARME); |
1879 |
} |
1880 |
gen_goto_tb(&ctx, 0, ctx.pc);
|
1881 |
break;
|
1882 |
case BS_EXCP:
|
1883 |
/* gen_op_interrupt_restart(); */
|
1884 |
tcg_gen_exit_tb(0);
|
1885 |
break;
|
1886 |
case BS_BRANCH:
|
1887 |
default:
|
1888 |
break;
|
1889 |
} |
1890 |
} |
1891 |
|
1892 |
gen_icount_end(tb, num_insns); |
1893 |
*gen_opc_ptr = INDEX_op_end; |
1894 |
if (search_pc) {
|
1895 |
i = gen_opc_ptr - gen_opc_buf; |
1896 |
ii++; |
1897 |
while (ii <= i)
|
1898 |
gen_opc_instr_start[ii++] = 0;
|
1899 |
} else {
|
1900 |
tb->size = ctx.pc - pc_start; |
1901 |
tb->icount = num_insns; |
1902 |
} |
1903 |
|
1904 |
#ifdef DEBUG_DISAS
|
1905 |
#ifdef SH4_DEBUG_DISAS
|
1906 |
if (loglevel & CPU_LOG_TB_IN_ASM)
|
1907 |
fprintf(logfile, "\n");
|
1908 |
#endif
|
1909 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
1910 |
fprintf(logfile, "IN:\n"); /* , lookup_symbol(pc_start)); */ |
1911 |
target_disas(logfile, pc_start, ctx.pc - pc_start, 0);
|
1912 |
fprintf(logfile, "\n");
|
1913 |
} |
1914 |
#endif
|
1915 |
} |
1916 |
|
1917 |
void gen_intermediate_code(CPUState * env, struct TranslationBlock *tb) |
1918 |
{ |
1919 |
gen_intermediate_code_internal(env, tb, 0);
|
1920 |
} |
1921 |
|
1922 |
void gen_intermediate_code_pc(CPUState * env, struct TranslationBlock *tb) |
1923 |
{ |
1924 |
gen_intermediate_code_internal(env, tb, 1);
|
1925 |
} |
1926 |
|
1927 |
void gen_pc_load(CPUState *env, TranslationBlock *tb,
|
1928 |
unsigned long searched_pc, int pc_pos, void *puc) |
1929 |
{ |
1930 |
env->pc = gen_opc_pc[pc_pos]; |
1931 |
env->flags = gen_opc_hflags[pc_pos]; |
1932 |
} |