root / target-sh4 / translate.c @ c596defd
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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 "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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#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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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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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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gen_op_movl_imm_PC(dest); |
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tcg_gen_exit_tb((long) tb + n);
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} else {
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gen_op_movl_imm_PC(dest); |
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if (ctx->singlestep_enabled)
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gen_op_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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gen_op_movl_delayed_pc_PC(); |
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if (ctx->singlestep_enabled)
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gen_op_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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/* 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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gen_op_jT(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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} |
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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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gen_op_jdelayed(l1); |
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gen_goto_tb(ctx, 1, ctx->pc + 2); |
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gen_set_label(l1); |
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gen_jump(ctx); |
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} |
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#define B3_0 (ctx->opcode & 0xf) |
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#define B6_4 ((ctx->opcode >> 4) & 0x7) |
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#define B7_4 ((ctx->opcode >> 4) & 0xf) |
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#define B7_0 (ctx->opcode & 0xff) |
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#define B7_0s ((int32_t) (int8_t) (ctx->opcode & 0xff)) |
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#define B11_0s (ctx->opcode & 0x800 ? 0xfffff000 | (ctx->opcode & 0xfff) : \ |
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(ctx->opcode & 0xfff))
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#define B11_8 ((ctx->opcode >> 8) & 0xf) |
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#define B15_12 ((ctx->opcode >> 12) & 0xf) |
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#define REG(x) ((x) < 8 && (ctx->sr & (SR_MD | SR_RB)) == (SR_MD | SR_RB) ? \ |
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(x) + 16 : (x))
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#define ALTREG(x) ((x) < 8 && (ctx->sr & (SR_MD | SR_RB)) != (SR_MD | SR_RB) \ |
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? (x) + 16 : (x))
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#define FREG(x) (ctx->fpscr & FPSCR_FR ? (x) ^ 0x10 : (x)) |
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#define XHACK(x) ((((x) & 1 ) << 4) | ((x) & 0xe)) |
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#define XREG(x) (ctx->fpscr & FPSCR_FR ? XHACK(x) ^ 0x10 : XHACK(x)) |
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#define DREG(x) FREG(x) /* Assumes lsb of (x) is always 0 */ |
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#define CHECK_NOT_DELAY_SLOT \
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if (ctx->flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL)) \
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{gen_op_raise_slot_illegal_instruction (); ctx->bstate = BS_EXCP; \ |
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return;}
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void _decode_opc(DisasContext * ctx)
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{ |
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#if 0
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fprintf(stderr, "Translating opcode 0x%04x\n", ctx->opcode);
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#endif
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switch (ctx->opcode) {
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case 0x0019: /* div0u */ |
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gen_op_div0u(); |
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return;
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case 0x000b: /* rts */ |
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CHECK_NOT_DELAY_SLOT gen_op_rts(); |
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ctx->flags |= DELAY_SLOT; |
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ctx->delayed_pc = (uint32_t) - 1;
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return;
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case 0x0028: /* clrmac */ |
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gen_op_clrmac(); |
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return;
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case 0x0048: /* clrs */ |
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gen_op_clrs(); |
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return;
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case 0x0008: /* clrt */ |
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gen_op_clrt(); |
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return;
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case 0x0038: /* ldtlb */ |
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#if defined(CONFIG_USER_ONLY)
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assert(0); /* XXXXX */ |
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#else
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gen_op_ldtlb(); |
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#endif
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return;
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case 0x002b: /* rte */ |
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CHECK_NOT_DELAY_SLOT gen_op_rte(); |
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ctx->flags |= DELAY_SLOT; |
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ctx->delayed_pc = (uint32_t) - 1;
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return;
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case 0x0058: /* sets */ |
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gen_op_sets(); |
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return;
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case 0x0018: /* sett */ |
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gen_op_sett(); |
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return;
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case 0xfbfd: /* frchg */ |
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gen_op_frchg(); |
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ctx->bstate = BS_STOP; |
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return;
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case 0xf3fd: /* fschg */ |
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gen_op_fschg(); |
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ctx->bstate = BS_STOP; |
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return;
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case 0x0009: /* nop */ |
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return;
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case 0x001b: /* sleep */ |
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assert(0); /* XXXXX */ |
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return;
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} |
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switch (ctx->opcode & 0xf000) { |
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case 0x1000: /* mov.l Rm,@(disp,Rn) */ |
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gen_op_movl_rN_T0(REG(B7_4)); |
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gen_op_movl_rN_T1(REG(B11_8)); |
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gen_op_addl_imm_T1(B3_0 * 4);
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gen_op_stl_T0_T1(ctx); |
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return;
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case 0x5000: /* mov.l @(disp,Rm),Rn */ |
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gen_op_movl_rN_T0(REG(B7_4)); |
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gen_op_addl_imm_T0(B3_0 * 4);
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gen_op_ldl_T0_T0(ctx); |
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gen_op_movl_T0_rN(REG(B11_8)); |
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return;
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case 0xe000: /* mov #imm,Rn */ |
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gen_op_movl_imm_rN(B7_0s, REG(B11_8)); |
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return;
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case 0x9000: /* mov.w @(disp,PC),Rn */ |
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gen_op_movl_imm_T0(ctx->pc + 4 + B7_0 * 2); |
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gen_op_ldw_T0_T0(ctx); |
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gen_op_movl_T0_rN(REG(B11_8)); |
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return;
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case 0xd000: /* mov.l @(disp,PC),Rn */ |
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gen_op_movl_imm_T0((ctx->pc + 4 + B7_0 * 4) & ~3); |
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gen_op_ldl_T0_T0(ctx); |
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gen_op_movl_T0_rN(REG(B11_8)); |
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return;
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case 0x7000: /* add #imm,Rn */ |
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gen_op_add_imm_rN(B7_0s, REG(B11_8)); |
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return;
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case 0xa000: /* bra disp */ |
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CHECK_NOT_DELAY_SLOT |
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gen_op_bra(ctx->delayed_pc = ctx->pc + 4 + B11_0s * 2); |
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ctx->flags |= DELAY_SLOT; |
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return;
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case 0xb000: /* bsr disp */ |
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CHECK_NOT_DELAY_SLOT |
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gen_op_bsr(ctx->pc + 4, ctx->delayed_pc =
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ctx->pc + 4 + B11_0s * 2); |
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ctx->flags |= DELAY_SLOT; |
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return;
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} |
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switch (ctx->opcode & 0xf00f) { |
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case 0x6003: /* mov Rm,Rn */ |
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gen_op_movl_rN_T0(REG(B7_4)); |
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gen_op_movl_T0_rN(REG(B11_8)); |
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return;
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case 0x2000: /* mov.b Rm,@Rn */ |
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gen_op_movl_rN_T0(REG(B7_4)); |
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gen_op_movl_rN_T1(REG(B11_8)); |
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gen_op_stb_T0_T1(ctx); |
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return;
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case 0x2001: /* mov.w Rm,@Rn */ |
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gen_op_movl_rN_T0(REG(B7_4)); |
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gen_op_movl_rN_T1(REG(B11_8)); |
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gen_op_stw_T0_T1(ctx); |
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return;
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case 0x2002: /* mov.l Rm,@Rn */ |
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gen_op_movl_rN_T0(REG(B7_4)); |
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gen_op_movl_rN_T1(REG(B11_8)); |
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gen_op_stl_T0_T1(ctx); |
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return;
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case 0x6000: /* mov.b @Rm,Rn */ |
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gen_op_movl_rN_T0(REG(B7_4)); |
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gen_op_ldb_T0_T0(ctx); |
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gen_op_movl_T0_rN(REG(B11_8)); |
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return;
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case 0x6001: /* mov.w @Rm,Rn */ |
359 |
gen_op_movl_rN_T0(REG(B7_4)); |
360 |
gen_op_ldw_T0_T0(ctx); |
361 |
gen_op_movl_T0_rN(REG(B11_8)); |
362 |
return;
|
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case 0x6002: /* mov.l @Rm,Rn */ |
364 |
gen_op_movl_rN_T0(REG(B7_4)); |
365 |
gen_op_ldl_T0_T0(ctx); |
366 |
gen_op_movl_T0_rN(REG(B11_8)); |
367 |
return;
|
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case 0x2004: /* mov.b Rm,@-Rn */ |
369 |
gen_op_movl_rN_T0(REG(B7_4)); |
370 |
gen_op_dec1_rN(REG(B11_8)); |
371 |
gen_op_movl_rN_T1(REG(B11_8)); |
372 |
gen_op_stb_T0_T1(ctx); |
373 |
return;
|
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case 0x2005: /* mov.w Rm,@-Rn */ |
375 |
gen_op_movl_rN_T0(REG(B7_4)); |
376 |
gen_op_dec2_rN(REG(B11_8)); |
377 |
gen_op_movl_rN_T1(REG(B11_8)); |
378 |
gen_op_stw_T0_T1(ctx); |
379 |
return;
|
380 |
case 0x2006: /* mov.l Rm,@-Rn */ |
381 |
gen_op_movl_rN_T0(REG(B7_4)); |
382 |
gen_op_dec4_rN(REG(B11_8)); |
383 |
gen_op_movl_rN_T1(REG(B11_8)); |
384 |
gen_op_stl_T0_T1(ctx); |
385 |
return;
|
386 |
case 0x6004: /* mov.b @Rm+,Rn */ |
387 |
gen_op_movl_rN_T0(REG(B7_4)); |
388 |
gen_op_ldb_T0_T0(ctx); |
389 |
gen_op_movl_T0_rN(REG(B11_8)); |
390 |
if ( B11_8 != B7_4 )
|
391 |
gen_op_inc1_rN(REG(B7_4)); |
392 |
return;
|
393 |
case 0x6005: /* mov.w @Rm+,Rn */ |
394 |
gen_op_movl_rN_T0(REG(B7_4)); |
395 |
gen_op_ldw_T0_T0(ctx); |
396 |
gen_op_movl_T0_rN(REG(B11_8)); |
397 |
if ( B11_8 != B7_4 )
|
398 |
gen_op_inc2_rN(REG(B7_4)); |
399 |
return;
|
400 |
case 0x6006: /* mov.l @Rm+,Rn */ |
401 |
gen_op_movl_rN_T0(REG(B7_4)); |
402 |
gen_op_ldl_T0_T0(ctx); |
403 |
gen_op_movl_T0_rN(REG(B11_8)); |
404 |
if ( B11_8 != B7_4 )
|
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gen_op_inc4_rN(REG(B7_4)); |
406 |
return;
|
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case 0x0004: /* mov.b Rm,@(R0,Rn) */ |
408 |
gen_op_movl_rN_T0(REG(B7_4)); |
409 |
gen_op_movl_rN_T1(REG(B11_8)); |
410 |
gen_op_add_rN_T1(REG(0));
|
411 |
gen_op_stb_T0_T1(ctx); |
412 |
return;
|
413 |
case 0x0005: /* mov.w Rm,@(R0,Rn) */ |
414 |
gen_op_movl_rN_T0(REG(B7_4)); |
415 |
gen_op_movl_rN_T1(REG(B11_8)); |
416 |
gen_op_add_rN_T1(REG(0));
|
417 |
gen_op_stw_T0_T1(ctx); |
418 |
return;
|
419 |
case 0x0006: /* mov.l Rm,@(R0,Rn) */ |
420 |
gen_op_movl_rN_T0(REG(B7_4)); |
421 |
gen_op_movl_rN_T1(REG(B11_8)); |
422 |
gen_op_add_rN_T1(REG(0));
|
423 |
gen_op_stl_T0_T1(ctx); |
424 |
return;
|
425 |
case 0x000c: /* mov.b @(R0,Rm),Rn */ |
426 |
gen_op_movl_rN_T0(REG(B7_4)); |
427 |
gen_op_add_rN_T0(REG(0));
|
428 |
gen_op_ldb_T0_T0(ctx); |
429 |
gen_op_movl_T0_rN(REG(B11_8)); |
430 |
return;
|
431 |
case 0x000d: /* mov.w @(R0,Rm),Rn */ |
432 |
gen_op_movl_rN_T0(REG(B7_4)); |
433 |
gen_op_add_rN_T0(REG(0));
|
434 |
gen_op_ldw_T0_T0(ctx); |
435 |
gen_op_movl_T0_rN(REG(B11_8)); |
436 |
return;
|
437 |
case 0x000e: /* mov.l @(R0,Rm),Rn */ |
438 |
gen_op_movl_rN_T0(REG(B7_4)); |
439 |
gen_op_add_rN_T0(REG(0));
|
440 |
gen_op_ldl_T0_T0(ctx); |
441 |
gen_op_movl_T0_rN(REG(B11_8)); |
442 |
return;
|
443 |
case 0x6008: /* swap.b Rm,Rn */ |
444 |
gen_op_movl_rN_T0(REG(B7_4)); |
445 |
gen_op_swapb_T0(); |
446 |
gen_op_movl_T0_rN(REG(B11_8)); |
447 |
return;
|
448 |
case 0x6009: /* swap.w Rm,Rn */ |
449 |
gen_op_movl_rN_T0(REG(B7_4)); |
450 |
gen_op_swapw_T0(); |
451 |
gen_op_movl_T0_rN(REG(B11_8)); |
452 |
return;
|
453 |
case 0x200d: /* xtrct Rm,Rn */ |
454 |
gen_op_movl_rN_T0(REG(B7_4)); |
455 |
gen_op_movl_rN_T1(REG(B11_8)); |
456 |
gen_op_xtrct_T0_T1(); |
457 |
gen_op_movl_T1_rN(REG(B11_8)); |
458 |
return;
|
459 |
case 0x300c: /* add Rm,Rn */ |
460 |
gen_op_movl_rN_T0(REG(B7_4)); |
461 |
gen_op_add_T0_rN(REG(B11_8)); |
462 |
return;
|
463 |
case 0x300e: /* addc Rm,Rn */ |
464 |
gen_op_movl_rN_T0(REG(B7_4)); |
465 |
gen_op_movl_rN_T1(REG(B11_8)); |
466 |
gen_op_addc_T0_T1(); |
467 |
gen_op_movl_T1_rN(REG(B11_8)); |
468 |
return;
|
469 |
case 0x300f: /* addv Rm,Rn */ |
470 |
gen_op_movl_rN_T0(REG(B7_4)); |
471 |
gen_op_movl_rN_T1(REG(B11_8)); |
472 |
gen_op_addv_T0_T1(); |
473 |
gen_op_movl_T1_rN(REG(B11_8)); |
474 |
return;
|
475 |
case 0x2009: /* and Rm,Rn */ |
476 |
gen_op_movl_rN_T0(REG(B7_4)); |
477 |
gen_op_and_T0_rN(REG(B11_8)); |
478 |
return;
|
479 |
case 0x3000: /* cmp/eq Rm,Rn */ |
480 |
gen_op_movl_rN_T0(REG(B7_4)); |
481 |
gen_op_movl_rN_T1(REG(B11_8)); |
482 |
gen_op_cmp_eq_T0_T1(); |
483 |
return;
|
484 |
case 0x3003: /* cmp/ge Rm,Rn */ |
485 |
gen_op_movl_rN_T0(REG(B7_4)); |
486 |
gen_op_movl_rN_T1(REG(B11_8)); |
487 |
gen_op_cmp_ge_T0_T1(); |
488 |
return;
|
489 |
case 0x3007: /* cmp/gt Rm,Rn */ |
490 |
gen_op_movl_rN_T0(REG(B7_4)); |
491 |
gen_op_movl_rN_T1(REG(B11_8)); |
492 |
gen_op_cmp_gt_T0_T1(); |
493 |
return;
|
494 |
case 0x3006: /* cmp/hi Rm,Rn */ |
495 |
gen_op_movl_rN_T0(REG(B7_4)); |
496 |
gen_op_movl_rN_T1(REG(B11_8)); |
497 |
gen_op_cmp_hi_T0_T1(); |
498 |
return;
|
499 |
case 0x3002: /* cmp/hs Rm,Rn */ |
500 |
gen_op_movl_rN_T0(REG(B7_4)); |
501 |
gen_op_movl_rN_T1(REG(B11_8)); |
502 |
gen_op_cmp_hs_T0_T1(); |
503 |
return;
|
504 |
case 0x200c: /* cmp/str Rm,Rn */ |
505 |
gen_op_movl_rN_T0(REG(B7_4)); |
506 |
gen_op_movl_rN_T1(REG(B11_8)); |
507 |
gen_op_cmp_str_T0_T1(); |
508 |
return;
|
509 |
case 0x2007: /* div0s Rm,Rn */ |
510 |
gen_op_movl_rN_T0(REG(B7_4)); |
511 |
gen_op_movl_rN_T1(REG(B11_8)); |
512 |
gen_op_div0s_T0_T1(); |
513 |
return;
|
514 |
case 0x3004: /* div1 Rm,Rn */ |
515 |
gen_op_movl_rN_T0(REG(B7_4)); |
516 |
gen_op_movl_rN_T1(REG(B11_8)); |
517 |
gen_op_div1_T0_T1(); |
518 |
gen_op_movl_T1_rN(REG(B11_8)); |
519 |
return;
|
520 |
case 0x300d: /* dmuls.l Rm,Rn */ |
521 |
gen_op_movl_rN_T0(REG(B7_4)); |
522 |
gen_op_movl_rN_T1(REG(B11_8)); |
523 |
gen_op_dmulsl_T0_T1(); |
524 |
return;
|
525 |
case 0x3005: /* dmulu.l Rm,Rn */ |
526 |
gen_op_movl_rN_T0(REG(B7_4)); |
527 |
gen_op_movl_rN_T1(REG(B11_8)); |
528 |
gen_op_dmulul_T0_T1(); |
529 |
return;
|
530 |
case 0x600e: /* exts.b Rm,Rn */ |
531 |
gen_op_movb_rN_T0(REG(B7_4)); |
532 |
gen_op_movl_T0_rN(REG(B11_8)); |
533 |
return;
|
534 |
case 0x600f: /* exts.w Rm,Rn */ |
535 |
gen_op_movw_rN_T0(REG(B7_4)); |
536 |
gen_op_movl_T0_rN(REG(B11_8)); |
537 |
return;
|
538 |
case 0x600c: /* extu.b Rm,Rn */ |
539 |
gen_op_movub_rN_T0(REG(B7_4)); |
540 |
gen_op_movl_T0_rN(REG(B11_8)); |
541 |
return;
|
542 |
case 0x600d: /* extu.w Rm,Rn */ |
543 |
gen_op_movuw_rN_T0(REG(B7_4)); |
544 |
gen_op_movl_T0_rN(REG(B11_8)); |
545 |
return;
|
546 |
case 0x000f: /* mac.l @Rm+,@Rn+ */ |
547 |
gen_op_movl_rN_T0(REG(B11_8)); |
548 |
gen_op_ldl_T0_T0(ctx); |
549 |
gen_op_movl_T0_T1(); |
550 |
gen_op_inc4_rN(REG(B11_8)); |
551 |
gen_op_movl_rN_T0(REG(B7_4)); |
552 |
gen_op_ldl_T0_T0(ctx); |
553 |
gen_op_macl_T0_T1(); |
554 |
gen_op_inc4_rN(REG(B7_4)); |
555 |
return;
|
556 |
case 0x400f: /* mac.w @Rm+,@Rn+ */ |
557 |
gen_op_movl_rN_T0(REG(B11_8)); |
558 |
gen_op_ldl_T0_T0(ctx); |
559 |
gen_op_movl_T0_T1(); |
560 |
gen_op_inc2_rN(REG(B11_8)); |
561 |
gen_op_movl_rN_T0(REG(B7_4)); |
562 |
gen_op_ldl_T0_T0(ctx); |
563 |
gen_op_macw_T0_T1(); |
564 |
gen_op_inc2_rN(REG(B7_4)); |
565 |
return;
|
566 |
case 0x0007: /* mul.l Rm,Rn */ |
567 |
gen_op_movl_rN_T0(REG(B7_4)); |
568 |
gen_op_movl_rN_T1(REG(B11_8)); |
569 |
gen_op_mull_T0_T1(); |
570 |
return;
|
571 |
case 0x200f: /* muls.w Rm,Rn */ |
572 |
gen_op_movw_rN_T0(REG(B7_4)); |
573 |
gen_op_movw_rN_T1(REG(B11_8)); |
574 |
gen_op_mulsw_T0_T1(); |
575 |
return;
|
576 |
case 0x200e: /* mulu.w Rm,Rn */ |
577 |
gen_op_movuw_rN_T0(REG(B7_4)); |
578 |
gen_op_movuw_rN_T1(REG(B11_8)); |
579 |
gen_op_muluw_T0_T1(); |
580 |
return;
|
581 |
case 0x600b: /* neg Rm,Rn */ |
582 |
gen_op_movl_rN_T0(REG(B7_4)); |
583 |
gen_op_neg_T0(); |
584 |
gen_op_movl_T0_rN(REG(B11_8)); |
585 |
return;
|
586 |
case 0x600a: /* negc Rm,Rn */ |
587 |
gen_op_movl_rN_T0(REG(B7_4)); |
588 |
gen_op_negc_T0(); |
589 |
gen_op_movl_T0_rN(REG(B11_8)); |
590 |
return;
|
591 |
case 0x6007: /* not Rm,Rn */ |
592 |
gen_op_movl_rN_T0(REG(B7_4)); |
593 |
gen_op_not_T0(); |
594 |
gen_op_movl_T0_rN(REG(B11_8)); |
595 |
return;
|
596 |
case 0x200b: /* or Rm,Rn */ |
597 |
gen_op_movl_rN_T0(REG(B7_4)); |
598 |
gen_op_or_T0_rN(REG(B11_8)); |
599 |
return;
|
600 |
case 0x400c: /* shad Rm,Rn */ |
601 |
gen_op_movl_rN_T0(REG(B7_4)); |
602 |
gen_op_movl_rN_T1(REG(B11_8)); |
603 |
gen_op_shad_T0_T1(); |
604 |
gen_op_movl_T1_rN(REG(B11_8)); |
605 |
return;
|
606 |
case 0x400d: /* shld Rm,Rn */ |
607 |
gen_op_movl_rN_T0(REG(B7_4)); |
608 |
gen_op_movl_rN_T1(REG(B11_8)); |
609 |
gen_op_shld_T0_T1(); |
610 |
gen_op_movl_T1_rN(REG(B11_8)); |
611 |
return;
|
612 |
case 0x3008: /* sub Rm,Rn */ |
613 |
gen_op_movl_rN_T0(REG(B7_4)); |
614 |
gen_op_sub_T0_rN(REG(B11_8)); |
615 |
return;
|
616 |
case 0x300a: /* subc Rm,Rn */ |
617 |
gen_op_movl_rN_T0(REG(B7_4)); |
618 |
gen_op_movl_rN_T1(REG(B11_8)); |
619 |
gen_op_subc_T0_T1(); |
620 |
gen_op_movl_T1_rN(REG(B11_8)); |
621 |
return;
|
622 |
case 0x300b: /* subv Rm,Rn */ |
623 |
gen_op_movl_rN_T0(REG(B7_4)); |
624 |
gen_op_movl_rN_T1(REG(B11_8)); |
625 |
gen_op_subv_T0_T1(); |
626 |
gen_op_movl_T1_rN(REG(B11_8)); |
627 |
return;
|
628 |
case 0x2008: /* tst Rm,Rn */ |
629 |
gen_op_movl_rN_T0(REG(B7_4)); |
630 |
gen_op_movl_rN_T1(REG(B11_8)); |
631 |
gen_op_tst_T0_T1(); |
632 |
return;
|
633 |
case 0x200a: /* xor Rm,Rn */ |
634 |
gen_op_movl_rN_T0(REG(B7_4)); |
635 |
gen_op_xor_T0_rN(REG(B11_8)); |
636 |
return;
|
637 |
case 0xf00c: /* fmov {F,D,X}Rm,{F,D,X}Rn - FPSCR: Nothing */ |
638 |
if (ctx->fpscr & FPSCR_SZ) {
|
639 |
gen_op_fmov_drN_DT0(XREG(B7_4)); |
640 |
gen_op_fmov_DT0_drN(XREG(B11_8)); |
641 |
} else {
|
642 |
gen_op_fmov_frN_FT0(FREG(B7_4)); |
643 |
gen_op_fmov_FT0_frN(FREG(B11_8)); |
644 |
} |
645 |
return;
|
646 |
case 0xf00a: /* fmov {F,D,X}Rm,@Rn - FPSCR: Nothing */ |
647 |
if (ctx->fpscr & FPSCR_SZ) {
|
648 |
gen_op_fmov_drN_DT0(XREG(B7_4)); |
649 |
gen_op_movl_rN_T1(REG(B11_8)); |
650 |
gen_op_stfq_DT0_T1(ctx); |
651 |
} else {
|
652 |
gen_op_fmov_frN_FT0(FREG(B7_4)); |
653 |
gen_op_movl_rN_T1(REG(B11_8)); |
654 |
gen_op_stfl_FT0_T1(ctx); |
655 |
} |
656 |
return;
|
657 |
case 0xf008: /* fmov @Rm,{F,D,X}Rn - FPSCR: Nothing */ |
658 |
if (ctx->fpscr & FPSCR_SZ) {
|
659 |
gen_op_movl_rN_T0(REG(B7_4)); |
660 |
gen_op_ldfq_T0_DT0(ctx); |
661 |
gen_op_fmov_DT0_drN(XREG(B11_8)); |
662 |
} else {
|
663 |
gen_op_movl_rN_T0(REG(B7_4)); |
664 |
gen_op_ldfl_T0_FT0(ctx); |
665 |
gen_op_fmov_FT0_frN(FREG(B11_8)); |
666 |
} |
667 |
return;
|
668 |
case 0xf009: /* fmov @Rm+,{F,D,X}Rn - FPSCR: Nothing */ |
669 |
if (ctx->fpscr & FPSCR_SZ) {
|
670 |
gen_op_movl_rN_T0(REG(B7_4)); |
671 |
gen_op_ldfq_T0_DT0(ctx); |
672 |
gen_op_fmov_DT0_drN(XREG(B11_8)); |
673 |
gen_op_inc8_rN(REG(B7_4)); |
674 |
} else {
|
675 |
gen_op_movl_rN_T0(REG(B7_4)); |
676 |
gen_op_ldfl_T0_FT0(ctx); |
677 |
gen_op_fmov_FT0_frN(FREG(B11_8)); |
678 |
gen_op_inc4_rN(REG(B7_4)); |
679 |
} |
680 |
return;
|
681 |
case 0xf00b: /* fmov {F,D,X}Rm,@-Rn - FPSCR: Nothing */ |
682 |
if (ctx->fpscr & FPSCR_SZ) {
|
683 |
gen_op_dec8_rN(REG(B11_8)); |
684 |
gen_op_fmov_drN_DT0(XREG(B7_4)); |
685 |
gen_op_movl_rN_T1(REG(B11_8)); |
686 |
gen_op_stfq_DT0_T1(ctx); |
687 |
} else {
|
688 |
gen_op_dec4_rN(REG(B11_8)); |
689 |
gen_op_fmov_frN_FT0(FREG(B7_4)); |
690 |
gen_op_movl_rN_T1(REG(B11_8)); |
691 |
gen_op_stfl_FT0_T1(ctx); |
692 |
} |
693 |
return;
|
694 |
case 0xf006: /* fmov @(R0,Rm),{F,D,X}Rm - FPSCR: Nothing */ |
695 |
if (ctx->fpscr & FPSCR_SZ) {
|
696 |
gen_op_movl_rN_T0(REG(B7_4)); |
697 |
gen_op_add_rN_T0(REG(0));
|
698 |
gen_op_ldfq_T0_DT0(ctx); |
699 |
gen_op_fmov_DT0_drN(XREG(B11_8)); |
700 |
} else {
|
701 |
gen_op_movl_rN_T0(REG(B7_4)); |
702 |
gen_op_add_rN_T0(REG(0));
|
703 |
gen_op_ldfl_T0_FT0(ctx); |
704 |
gen_op_fmov_FT0_frN(FREG(B11_8)); |
705 |
} |
706 |
return;
|
707 |
case 0xf007: /* fmov {F,D,X}Rn,@(R0,Rn) - FPSCR: Nothing */ |
708 |
if (ctx->fpscr & FPSCR_SZ) {
|
709 |
gen_op_fmov_drN_DT0(XREG(B7_4)); |
710 |
gen_op_movl_rN_T1(REG(B11_8)); |
711 |
gen_op_add_rN_T1(REG(0));
|
712 |
gen_op_stfq_DT0_T1(ctx); |
713 |
} else {
|
714 |
gen_op_fmov_frN_FT0(FREG(B7_4)); |
715 |
gen_op_movl_rN_T1(REG(B11_8)); |
716 |
gen_op_add_rN_T1(REG(0));
|
717 |
gen_op_stfl_FT0_T1(ctx); |
718 |
} |
719 |
return;
|
720 |
case 0xf000: /* fadd Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */ |
721 |
case 0xf001: /* fsub Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */ |
722 |
case 0xf002: /* fmul Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */ |
723 |
case 0xf003: /* fdiv Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */ |
724 |
case 0xf004: /* fcmp/eq Rm,Rn - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */ |
725 |
case 0xf005: /* fcmp/gt Rm,Rn - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */ |
726 |
if (ctx->fpscr & FPSCR_PR) {
|
727 |
if (ctx->opcode & 0x0110) |
728 |
break; /* illegal instruction */ |
729 |
gen_op_fmov_drN_DT1(DREG(B7_4)); |
730 |
gen_op_fmov_drN_DT0(DREG(B11_8)); |
731 |
} |
732 |
else {
|
733 |
gen_op_fmov_frN_FT1(FREG(B7_4)); |
734 |
gen_op_fmov_frN_FT0(FREG(B11_8)); |
735 |
} |
736 |
|
737 |
switch (ctx->opcode & 0xf00f) { |
738 |
case 0xf000: /* fadd Rm,Rn */ |
739 |
ctx->fpscr & FPSCR_PR ? gen_op_fadd_DT() : gen_op_fadd_FT(); |
740 |
break;
|
741 |
case 0xf001: /* fsub Rm,Rn */ |
742 |
ctx->fpscr & FPSCR_PR ? gen_op_fsub_DT() : gen_op_fsub_FT(); |
743 |
break;
|
744 |
case 0xf002: /* fmul Rm,Rn */ |
745 |
ctx->fpscr & FPSCR_PR ? gen_op_fmul_DT() : gen_op_fmul_FT(); |
746 |
break;
|
747 |
case 0xf003: /* fdiv Rm,Rn */ |
748 |
ctx->fpscr & FPSCR_PR ? gen_op_fdiv_DT() : gen_op_fdiv_FT(); |
749 |
break;
|
750 |
case 0xf004: /* fcmp/eq Rm,Rn */ |
751 |
ctx->fpscr & FPSCR_PR ? gen_op_fcmp_eq_DT() : gen_op_fcmp_eq_FT(); |
752 |
return;
|
753 |
case 0xf005: /* fcmp/gt Rm,Rn */ |
754 |
ctx->fpscr & FPSCR_PR ? gen_op_fcmp_gt_DT() : gen_op_fcmp_gt_FT(); |
755 |
return;
|
756 |
} |
757 |
|
758 |
if (ctx->fpscr & FPSCR_PR) {
|
759 |
gen_op_fmov_DT0_drN(DREG(B11_8)); |
760 |
} |
761 |
else {
|
762 |
gen_op_fmov_FT0_frN(FREG(B11_8)); |
763 |
} |
764 |
return;
|
765 |
} |
766 |
|
767 |
switch (ctx->opcode & 0xff00) { |
768 |
case 0xc900: /* and #imm,R0 */ |
769 |
gen_op_and_imm_rN(B7_0, REG(0));
|
770 |
return;
|
771 |
case 0xcd00: /* and.b #imm,@(R0,GBR) */ |
772 |
gen_op_movl_rN_T0(REG(0));
|
773 |
gen_op_addl_GBR_T0(); |
774 |
gen_op_movl_T0_T1(); |
775 |
gen_op_ldub_T0_T0(ctx); |
776 |
gen_op_and_imm_T0(B7_0); |
777 |
gen_op_stb_T0_T1(ctx); |
778 |
return;
|
779 |
case 0x8b00: /* bf label */ |
780 |
CHECK_NOT_DELAY_SLOT |
781 |
gen_conditional_jump(ctx, ctx->pc + 2,
|
782 |
ctx->pc + 4 + B7_0s * 2); |
783 |
ctx->bstate = BS_BRANCH; |
784 |
return;
|
785 |
case 0x8f00: /* bf/s label */ |
786 |
CHECK_NOT_DELAY_SLOT |
787 |
gen_op_bf_s(ctx->delayed_pc = ctx->pc + 4 + B7_0s * 2); |
788 |
ctx->flags |= DELAY_SLOT_CONDITIONAL; |
789 |
return;
|
790 |
case 0x8900: /* bt label */ |
791 |
CHECK_NOT_DELAY_SLOT |
792 |
gen_conditional_jump(ctx, ctx->pc + 4 + B7_0s * 2, |
793 |
ctx->pc + 2);
|
794 |
ctx->bstate = BS_BRANCH; |
795 |
return;
|
796 |
case 0x8d00: /* bt/s label */ |
797 |
CHECK_NOT_DELAY_SLOT |
798 |
gen_op_bt_s(ctx->delayed_pc = ctx->pc + 4 + B7_0s * 2); |
799 |
ctx->flags |= DELAY_SLOT_CONDITIONAL; |
800 |
return;
|
801 |
case 0x8800: /* cmp/eq #imm,R0 */ |
802 |
gen_op_movl_rN_T0(REG(0));
|
803 |
gen_op_cmp_eq_imm_T0(B7_0s); |
804 |
return;
|
805 |
case 0xc400: /* mov.b @(disp,GBR),R0 */ |
806 |
gen_op_stc_gbr_T0(); |
807 |
gen_op_addl_imm_T0(B7_0); |
808 |
gen_op_ldb_T0_T0(ctx); |
809 |
gen_op_movl_T0_rN(REG(0));
|
810 |
return;
|
811 |
case 0xc500: /* mov.w @(disp,GBR),R0 */ |
812 |
gen_op_stc_gbr_T0(); |
813 |
gen_op_addl_imm_T0(B7_0 * 2);
|
814 |
gen_op_ldw_T0_T0(ctx); |
815 |
gen_op_movl_T0_rN(REG(0));
|
816 |
return;
|
817 |
case 0xc600: /* mov.l @(disp,GBR),R0 */ |
818 |
gen_op_stc_gbr_T0(); |
819 |
gen_op_addl_imm_T0(B7_0 * 4);
|
820 |
gen_op_ldl_T0_T0(ctx); |
821 |
gen_op_movl_T0_rN(REG(0));
|
822 |
return;
|
823 |
case 0xc000: /* mov.b R0,@(disp,GBR) */ |
824 |
gen_op_stc_gbr_T0(); |
825 |
gen_op_addl_imm_T0(B7_0); |
826 |
gen_op_movl_T0_T1(); |
827 |
gen_op_movl_rN_T0(REG(0));
|
828 |
gen_op_stb_T0_T1(ctx); |
829 |
return;
|
830 |
case 0xc100: /* mov.w R0,@(disp,GBR) */ |
831 |
gen_op_stc_gbr_T0(); |
832 |
gen_op_addl_imm_T0(B7_0 * 2);
|
833 |
gen_op_movl_T0_T1(); |
834 |
gen_op_movl_rN_T0(REG(0));
|
835 |
gen_op_stw_T0_T1(ctx); |
836 |
return;
|
837 |
case 0xc200: /* mov.l R0,@(disp,GBR) */ |
838 |
gen_op_stc_gbr_T0(); |
839 |
gen_op_addl_imm_T0(B7_0 * 4);
|
840 |
gen_op_movl_T0_T1(); |
841 |
gen_op_movl_rN_T0(REG(0));
|
842 |
gen_op_stl_T0_T1(ctx); |
843 |
return;
|
844 |
case 0x8000: /* mov.b R0,@(disp,Rn) */ |
845 |
gen_op_movl_rN_T0(REG(0));
|
846 |
gen_op_movl_rN_T1(REG(B7_4)); |
847 |
gen_op_addl_imm_T1(B3_0); |
848 |
gen_op_stb_T0_T1(ctx); |
849 |
return;
|
850 |
case 0x8100: /* mov.w R0,@(disp,Rn) */ |
851 |
gen_op_movl_rN_T0(REG(0));
|
852 |
gen_op_movl_rN_T1(REG(B7_4)); |
853 |
gen_op_addl_imm_T1(B3_0 * 2);
|
854 |
gen_op_stw_T0_T1(ctx); |
855 |
return;
|
856 |
case 0x8400: /* mov.b @(disp,Rn),R0 */ |
857 |
gen_op_movl_rN_T0(REG(B7_4)); |
858 |
gen_op_addl_imm_T0(B3_0); |
859 |
gen_op_ldb_T0_T0(ctx); |
860 |
gen_op_movl_T0_rN(REG(0));
|
861 |
return;
|
862 |
case 0x8500: /* mov.w @(disp,Rn),R0 */ |
863 |
gen_op_movl_rN_T0(REG(B7_4)); |
864 |
gen_op_addl_imm_T0(B3_0 * 2);
|
865 |
gen_op_ldw_T0_T0(ctx); |
866 |
gen_op_movl_T0_rN(REG(0));
|
867 |
return;
|
868 |
case 0xc700: /* mova @(disp,PC),R0 */ |
869 |
gen_op_movl_imm_rN(((ctx->pc & 0xfffffffc) + 4 + B7_0 * 4) & ~3, |
870 |
REG(0));
|
871 |
return;
|
872 |
case 0xcb00: /* or #imm,R0 */ |
873 |
gen_op_or_imm_rN(B7_0, REG(0));
|
874 |
return;
|
875 |
case 0xcf00: /* or.b #imm,@(R0,GBR) */ |
876 |
gen_op_movl_rN_T0(REG(0));
|
877 |
gen_op_addl_GBR_T0(); |
878 |
gen_op_movl_T0_T1(); |
879 |
gen_op_ldub_T0_T0(ctx); |
880 |
gen_op_or_imm_T0(B7_0); |
881 |
gen_op_stb_T0_T1(ctx); |
882 |
return;
|
883 |
case 0xc300: /* trapa #imm */ |
884 |
CHECK_NOT_DELAY_SLOT gen_op_movl_imm_PC(ctx->pc); |
885 |
gen_op_trapa(B7_0); |
886 |
ctx->bstate = BS_BRANCH; |
887 |
return;
|
888 |
case 0xc800: /* tst #imm,R0 */ |
889 |
gen_op_tst_imm_rN(B7_0, REG(0));
|
890 |
return;
|
891 |
case 0xcc00: /* tst.b #imm,@(R0,GBR) */ |
892 |
gen_op_movl_rN_T0(REG(0));
|
893 |
gen_op_addl_GBR_T0(); |
894 |
gen_op_ldub_T0_T0(ctx); |
895 |
gen_op_tst_imm_T0(B7_0); |
896 |
return;
|
897 |
case 0xca00: /* xor #imm,R0 */ |
898 |
gen_op_xor_imm_rN(B7_0, REG(0));
|
899 |
return;
|
900 |
case 0xce00: /* xor.b #imm,@(R0,GBR) */ |
901 |
gen_op_movl_rN_T0(REG(0));
|
902 |
gen_op_addl_GBR_T0(); |
903 |
gen_op_movl_T0_T1(); |
904 |
gen_op_ldub_T0_T0(ctx); |
905 |
gen_op_xor_imm_T0(B7_0); |
906 |
gen_op_stb_T0_T1(ctx); |
907 |
return;
|
908 |
} |
909 |
|
910 |
switch (ctx->opcode & 0xf08f) { |
911 |
case 0x408e: /* ldc Rm,Rn_BANK */ |
912 |
gen_op_movl_rN_rN(REG(B11_8), ALTREG(B6_4)); |
913 |
return;
|
914 |
case 0x4087: /* ldc.l @Rm+,Rn_BANK */ |
915 |
gen_op_movl_rN_T0(REG(B11_8)); |
916 |
gen_op_ldl_T0_T0(ctx); |
917 |
gen_op_movl_T0_rN(ALTREG(B6_4)); |
918 |
gen_op_inc4_rN(REG(B11_8)); |
919 |
return;
|
920 |
case 0x0082: /* stc Rm_BANK,Rn */ |
921 |
gen_op_movl_rN_rN(ALTREG(B6_4), REG(B11_8)); |
922 |
return;
|
923 |
case 0x4083: /* stc.l Rm_BANK,@-Rn */ |
924 |
gen_op_dec4_rN(REG(B11_8)); |
925 |
gen_op_movl_rN_T1(REG(B11_8)); |
926 |
gen_op_movl_rN_T0(ALTREG(B6_4)); |
927 |
gen_op_stl_T0_T1(ctx); |
928 |
return;
|
929 |
} |
930 |
|
931 |
switch (ctx->opcode & 0xf0ff) { |
932 |
case 0x0023: /* braf Rn */ |
933 |
CHECK_NOT_DELAY_SLOT gen_op_movl_rN_T0(REG(B11_8)); |
934 |
gen_op_braf_T0(ctx->pc + 4);
|
935 |
ctx->flags |= DELAY_SLOT; |
936 |
ctx->delayed_pc = (uint32_t) - 1;
|
937 |
return;
|
938 |
case 0x0003: /* bsrf Rn */ |
939 |
CHECK_NOT_DELAY_SLOT gen_op_movl_rN_T0(REG(B11_8)); |
940 |
gen_op_bsrf_T0(ctx->pc + 4);
|
941 |
ctx->flags |= DELAY_SLOT; |
942 |
ctx->delayed_pc = (uint32_t) - 1;
|
943 |
return;
|
944 |
case 0x4015: /* cmp/pl Rn */ |
945 |
gen_op_movl_rN_T0(REG(B11_8)); |
946 |
gen_op_cmp_pl_T0(); |
947 |
return;
|
948 |
case 0x4011: /* cmp/pz Rn */ |
949 |
gen_op_movl_rN_T0(REG(B11_8)); |
950 |
gen_op_cmp_pz_T0(); |
951 |
return;
|
952 |
case 0x4010: /* dt Rn */ |
953 |
gen_op_dt_rN(REG(B11_8)); |
954 |
return;
|
955 |
case 0x402b: /* jmp @Rn */ |
956 |
CHECK_NOT_DELAY_SLOT gen_op_movl_rN_T0(REG(B11_8)); |
957 |
gen_op_jmp_T0(); |
958 |
ctx->flags |= DELAY_SLOT; |
959 |
ctx->delayed_pc = (uint32_t) - 1;
|
960 |
return;
|
961 |
case 0x400b: /* jsr @Rn */ |
962 |
CHECK_NOT_DELAY_SLOT gen_op_movl_rN_T0(REG(B11_8)); |
963 |
gen_op_jsr_T0(ctx->pc + 4);
|
964 |
ctx->flags |= DELAY_SLOT; |
965 |
ctx->delayed_pc = (uint32_t) - 1;
|
966 |
return;
|
967 |
#define LDST(reg,ldnum,ldpnum,ldop,stnum,stpnum,stop,extrald) \
|
968 |
case ldnum: \
|
969 |
gen_op_movl_rN_T0 (REG(B11_8)); \ |
970 |
gen_op_##ldop##_T0_##reg (); \ |
971 |
extrald \ |
972 |
return; \
|
973 |
case ldpnum: \
|
974 |
gen_op_movl_rN_T0 (REG(B11_8)); \ |
975 |
gen_op_ldl_T0_T0 (ctx); \ |
976 |
gen_op_inc4_rN (REG(B11_8)); \ |
977 |
gen_op_##ldop##_T0_##reg (); \ |
978 |
extrald \ |
979 |
return; \
|
980 |
case stnum: \
|
981 |
gen_op_##stop##_##reg##_T0 (); \ |
982 |
gen_op_movl_T0_rN (REG(B11_8)); \ |
983 |
return; \
|
984 |
case stpnum: \
|
985 |
gen_op_##stop##_##reg##_T0 (); \ |
986 |
gen_op_dec4_rN (REG(B11_8)); \ |
987 |
gen_op_movl_rN_T1 (REG(B11_8)); \ |
988 |
gen_op_stl_T0_T1 (ctx); \ |
989 |
return;
|
990 |
LDST(sr, 0x400e, 0x4007, ldc, 0x0002, 0x4003, stc, ctx->bstate = |
991 |
BS_STOP;) |
992 |
LDST(gbr, 0x401e, 0x4017, ldc, 0x0012, 0x4013, stc,) |
993 |
LDST(vbr, 0x402e, 0x4027, ldc, 0x0022, 0x4023, stc,) |
994 |
LDST(ssr, 0x403e, 0x4037, ldc, 0x0032, 0x4033, stc,) |
995 |
LDST(spc, 0x404e, 0x4047, ldc, 0x0042, 0x4043, stc,) |
996 |
LDST(dbr, 0x40fa, 0x40f6, ldc, 0x00fa, 0x40f2, stc,) |
997 |
LDST(mach, 0x400a, 0x4006, lds, 0x000a, 0x4002, sts,) |
998 |
LDST(macl, 0x401a, 0x4016, lds, 0x001a, 0x4012, sts,) |
999 |
LDST(pr, 0x402a, 0x4026, lds, 0x002a, 0x4022, sts,) |
1000 |
LDST(fpul, 0x405a, 0x4056, lds, 0x005a, 0x4052, sts,) |
1001 |
LDST(fpscr, 0x406a, 0x4066, lds, 0x006a, 0x4062, sts, ctx->bstate = |
1002 |
BS_STOP;) |
1003 |
case 0x00c3: /* movca.l R0,@Rm */ |
1004 |
gen_op_movl_rN_T0(REG(0));
|
1005 |
gen_op_movl_rN_T1(REG(B11_8)); |
1006 |
gen_op_stl_T0_T1(ctx); |
1007 |
return;
|
1008 |
case 0x0029: /* movt Rn */ |
1009 |
gen_op_movt_rN(REG(B11_8)); |
1010 |
return;
|
1011 |
case 0x0093: /* ocbi @Rn */ |
1012 |
gen_op_movl_rN_T0(REG(B11_8)); |
1013 |
gen_op_ldl_T0_T0(ctx); |
1014 |
return;
|
1015 |
case 0x00a3: /* ocbp @Rn */ |
1016 |
gen_op_movl_rN_T0(REG(B11_8)); |
1017 |
gen_op_ldl_T0_T0(ctx); |
1018 |
return;
|
1019 |
case 0x00b3: /* ocbwb @Rn */ |
1020 |
gen_op_movl_rN_T0(REG(B11_8)); |
1021 |
gen_op_ldl_T0_T0(ctx); |
1022 |
return;
|
1023 |
case 0x0083: /* pref @Rn */ |
1024 |
return;
|
1025 |
case 0x4024: /* rotcl Rn */ |
1026 |
gen_op_rotcl_Rn(REG(B11_8)); |
1027 |
return;
|
1028 |
case 0x4025: /* rotcr Rn */ |
1029 |
gen_op_rotcr_Rn(REG(B11_8)); |
1030 |
return;
|
1031 |
case 0x4004: /* rotl Rn */ |
1032 |
gen_op_rotl_Rn(REG(B11_8)); |
1033 |
return;
|
1034 |
case 0x4005: /* rotr Rn */ |
1035 |
gen_op_rotr_Rn(REG(B11_8)); |
1036 |
return;
|
1037 |
case 0x4000: /* shll Rn */ |
1038 |
case 0x4020: /* shal Rn */ |
1039 |
gen_op_shal_Rn(REG(B11_8)); |
1040 |
return;
|
1041 |
case 0x4021: /* shar Rn */ |
1042 |
gen_op_shar_Rn(REG(B11_8)); |
1043 |
return;
|
1044 |
case 0x4001: /* shlr Rn */ |
1045 |
gen_op_shlr_Rn(REG(B11_8)); |
1046 |
return;
|
1047 |
case 0x4008: /* shll2 Rn */ |
1048 |
gen_op_shll2_Rn(REG(B11_8)); |
1049 |
return;
|
1050 |
case 0x4018: /* shll8 Rn */ |
1051 |
gen_op_shll8_Rn(REG(B11_8)); |
1052 |
return;
|
1053 |
case 0x4028: /* shll16 Rn */ |
1054 |
gen_op_shll16_Rn(REG(B11_8)); |
1055 |
return;
|
1056 |
case 0x4009: /* shlr2 Rn */ |
1057 |
gen_op_shlr2_Rn(REG(B11_8)); |
1058 |
return;
|
1059 |
case 0x4019: /* shlr8 Rn */ |
1060 |
gen_op_shlr8_Rn(REG(B11_8)); |
1061 |
return;
|
1062 |
case 0x4029: /* shlr16 Rn */ |
1063 |
gen_op_shlr16_Rn(REG(B11_8)); |
1064 |
return;
|
1065 |
case 0x401b: /* tas.b @Rn */ |
1066 |
gen_op_tasb_rN(REG(B11_8)); |
1067 |
return;
|
1068 |
case 0xf00d: /* fsts FPUL,FRn - FPSCR: Nothing */ |
1069 |
gen_op_movl_fpul_FT0(); |
1070 |
gen_op_fmov_FT0_frN(FREG(B11_8)); |
1071 |
return;
|
1072 |
case 0xf01d: /* flds FRm,FPUL - FPSCR: Nothing */ |
1073 |
gen_op_fmov_frN_FT0(FREG(B11_8)); |
1074 |
gen_op_movl_FT0_fpul(); |
1075 |
return;
|
1076 |
case 0xf02d: /* float FPUL,FRn/DRn - FPSCR: R[PR,Enable.I]/W[Cause,Flag] */ |
1077 |
if (ctx->fpscr & FPSCR_PR) {
|
1078 |
if (ctx->opcode & 0x0100) |
1079 |
break; /* illegal instruction */ |
1080 |
gen_op_float_DT(); |
1081 |
gen_op_fmov_DT0_drN(DREG(B11_8)); |
1082 |
} |
1083 |
else {
|
1084 |
gen_op_float_FT(); |
1085 |
gen_op_fmov_FT0_frN(FREG(B11_8)); |
1086 |
} |
1087 |
return;
|
1088 |
case 0xf03d: /* ftrc FRm/DRm,FPUL - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */ |
1089 |
if (ctx->fpscr & FPSCR_PR) {
|
1090 |
if (ctx->opcode & 0x0100) |
1091 |
break; /* illegal instruction */ |
1092 |
gen_op_fmov_drN_DT0(DREG(B11_8)); |
1093 |
gen_op_ftrc_DT(); |
1094 |
} |
1095 |
else {
|
1096 |
gen_op_fmov_frN_FT0(FREG(B11_8)); |
1097 |
gen_op_ftrc_FT(); |
1098 |
} |
1099 |
return;
|
1100 |
case 0xf04d: /* fneg FRn/DRn - FPSCR: Nothing */ |
1101 |
gen_op_fneg_frN(FREG(B11_8)); |
1102 |
return;
|
1103 |
case 0xf05d: /* fabs FRn/DRn */ |
1104 |
if (ctx->fpscr & FPSCR_PR) {
|
1105 |
if (ctx->opcode & 0x0100) |
1106 |
break; /* illegal instruction */ |
1107 |
gen_op_fmov_drN_DT0(DREG(B11_8)); |
1108 |
gen_op_fabs_DT(); |
1109 |
gen_op_fmov_DT0_drN(DREG(B11_8)); |
1110 |
} else {
|
1111 |
gen_op_fmov_frN_FT0(FREG(B11_8)); |
1112 |
gen_op_fabs_FT(); |
1113 |
gen_op_fmov_FT0_frN(FREG(B11_8)); |
1114 |
} |
1115 |
return;
|
1116 |
case 0xf06d: /* fsqrt FRn */ |
1117 |
if (ctx->fpscr & FPSCR_PR) {
|
1118 |
if (ctx->opcode & 0x0100) |
1119 |
break; /* illegal instruction */ |
1120 |
gen_op_fmov_drN_DT0(FREG(B11_8)); |
1121 |
gen_op_fsqrt_DT(); |
1122 |
gen_op_fmov_DT0_drN(FREG(B11_8)); |
1123 |
} else {
|
1124 |
gen_op_fmov_frN_FT0(FREG(B11_8)); |
1125 |
gen_op_fsqrt_FT(); |
1126 |
gen_op_fmov_FT0_frN(FREG(B11_8)); |
1127 |
} |
1128 |
return;
|
1129 |
case 0xf07d: /* fsrra FRn */ |
1130 |
break;
|
1131 |
case 0xf08d: /* fldi0 FRn - FPSCR: R[PR] */ |
1132 |
if (!(ctx->fpscr & FPSCR_PR)) {
|
1133 |
gen_op_movl_imm_T0(0);
|
1134 |
gen_op_fmov_T0_frN(FREG(B11_8)); |
1135 |
return;
|
1136 |
} |
1137 |
break;
|
1138 |
case 0xf09d: /* fldi1 FRn - FPSCR: R[PR] */ |
1139 |
if (!(ctx->fpscr & FPSCR_PR)) {
|
1140 |
gen_op_movl_imm_T0(0x3f800000);
|
1141 |
gen_op_fmov_T0_frN(FREG(B11_8)); |
1142 |
return;
|
1143 |
} |
1144 |
break;
|
1145 |
case 0xf0ad: /* fcnvsd FPUL,DRn */ |
1146 |
gen_op_movl_fpul_FT0(); |
1147 |
gen_op_fcnvsd_FT_DT(); |
1148 |
gen_op_fmov_DT0_drN(DREG(B11_8)); |
1149 |
return;
|
1150 |
case 0xf0bd: /* fcnvds DRn,FPUL */ |
1151 |
gen_op_fmov_drN_DT0(DREG(B11_8)); |
1152 |
gen_op_fcnvds_DT_FT(); |
1153 |
gen_op_movl_FT0_fpul(); |
1154 |
return;
|
1155 |
} |
1156 |
|
1157 |
fprintf(stderr, "unknown instruction 0x%04x at pc 0x%08x\n",
|
1158 |
ctx->opcode, ctx->pc); |
1159 |
gen_op_raise_illegal_instruction(); |
1160 |
ctx->bstate = BS_EXCP; |
1161 |
} |
1162 |
|
1163 |
void decode_opc(DisasContext * ctx)
|
1164 |
{ |
1165 |
uint32_t old_flags = ctx->flags; |
1166 |
|
1167 |
_decode_opc(ctx); |
1168 |
|
1169 |
if (old_flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL)) {
|
1170 |
if (ctx->flags & DELAY_SLOT_CLEARME) {
|
1171 |
gen_op_store_flags(0);
|
1172 |
} |
1173 |
ctx->flags = 0;
|
1174 |
ctx->bstate = BS_BRANCH; |
1175 |
if (old_flags & DELAY_SLOT_CONDITIONAL) {
|
1176 |
gen_delayed_conditional_jump(ctx); |
1177 |
} else if (old_flags & DELAY_SLOT) { |
1178 |
gen_jump(ctx); |
1179 |
} |
1180 |
|
1181 |
} |
1182 |
} |
1183 |
|
1184 |
static inline int |
1185 |
gen_intermediate_code_internal(CPUState * env, TranslationBlock * tb, |
1186 |
int search_pc)
|
1187 |
{ |
1188 |
DisasContext ctx; |
1189 |
target_ulong pc_start; |
1190 |
static uint16_t *gen_opc_end;
|
1191 |
int i, ii;
|
1192 |
|
1193 |
pc_start = tb->pc; |
1194 |
gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; |
1195 |
ctx.pc = pc_start; |
1196 |
ctx.flags = (uint32_t)tb->flags; |
1197 |
ctx.bstate = BS_NONE; |
1198 |
ctx.sr = env->sr; |
1199 |
ctx.fpscr = env->fpscr; |
1200 |
ctx.memidx = (env->sr & SR_MD) ? 1 : 0; |
1201 |
/* We don't know if the delayed pc came from a dynamic or static branch,
|
1202 |
so assume it is a dynamic branch. */
|
1203 |
ctx.delayed_pc = -1; /* use delayed pc from env pointer */ |
1204 |
ctx.tb = tb; |
1205 |
ctx.singlestep_enabled = env->singlestep_enabled; |
1206 |
|
1207 |
#ifdef DEBUG_DISAS
|
1208 |
if (loglevel & CPU_LOG_TB_CPU) {
|
1209 |
fprintf(logfile, |
1210 |
"------------------------------------------------\n");
|
1211 |
cpu_dump_state(env, logfile, fprintf, 0);
|
1212 |
} |
1213 |
#endif
|
1214 |
|
1215 |
ii = -1;
|
1216 |
while (ctx.bstate == BS_NONE && gen_opc_ptr < gen_opc_end) {
|
1217 |
if (env->nb_breakpoints > 0) { |
1218 |
for (i = 0; i < env->nb_breakpoints; i++) { |
1219 |
if (ctx.pc == env->breakpoints[i]) {
|
1220 |
/* We have hit a breakpoint - make sure PC is up-to-date */
|
1221 |
gen_op_movl_imm_PC(ctx.pc); |
1222 |
gen_op_debug(); |
1223 |
ctx.bstate = BS_EXCP; |
1224 |
break;
|
1225 |
} |
1226 |
} |
1227 |
} |
1228 |
if (search_pc) {
|
1229 |
i = gen_opc_ptr - gen_opc_buf; |
1230 |
if (ii < i) {
|
1231 |
ii++; |
1232 |
while (ii < i)
|
1233 |
gen_opc_instr_start[ii++] = 0;
|
1234 |
} |
1235 |
gen_opc_pc[ii] = ctx.pc; |
1236 |
gen_opc_hflags[ii] = ctx.flags; |
1237 |
gen_opc_instr_start[ii] = 1;
|
1238 |
} |
1239 |
#if 0
|
1240 |
fprintf(stderr, "Loading opcode at address 0x%08x\n", ctx.pc);
|
1241 |
fflush(stderr);
|
1242 |
#endif
|
1243 |
ctx.opcode = lduw_code(ctx.pc); |
1244 |
decode_opc(&ctx); |
1245 |
ctx.pc += 2;
|
1246 |
if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0) |
1247 |
break;
|
1248 |
if (env->singlestep_enabled)
|
1249 |
break;
|
1250 |
#ifdef SH4_SINGLE_STEP
|
1251 |
break;
|
1252 |
#endif
|
1253 |
} |
1254 |
if (env->singlestep_enabled) {
|
1255 |
gen_op_debug(); |
1256 |
} else {
|
1257 |
switch (ctx.bstate) {
|
1258 |
case BS_STOP:
|
1259 |
/* gen_op_interrupt_restart(); */
|
1260 |
/* fall through */
|
1261 |
case BS_NONE:
|
1262 |
if (ctx.flags) {
|
1263 |
gen_op_store_flags(ctx.flags | DELAY_SLOT_CLEARME); |
1264 |
} |
1265 |
gen_goto_tb(&ctx, 0, ctx.pc);
|
1266 |
break;
|
1267 |
case BS_EXCP:
|
1268 |
/* gen_op_interrupt_restart(); */
|
1269 |
tcg_gen_exit_tb(0);
|
1270 |
break;
|
1271 |
case BS_BRANCH:
|
1272 |
default:
|
1273 |
break;
|
1274 |
} |
1275 |
} |
1276 |
|
1277 |
*gen_opc_ptr = INDEX_op_end; |
1278 |
if (search_pc) {
|
1279 |
i = gen_opc_ptr - gen_opc_buf; |
1280 |
ii++; |
1281 |
while (ii <= i)
|
1282 |
gen_opc_instr_start[ii++] = 0;
|
1283 |
} else {
|
1284 |
tb->size = ctx.pc - pc_start; |
1285 |
} |
1286 |
|
1287 |
#ifdef DEBUG_DISAS
|
1288 |
#ifdef SH4_DEBUG_DISAS
|
1289 |
if (loglevel & CPU_LOG_TB_IN_ASM)
|
1290 |
fprintf(logfile, "\n");
|
1291 |
#endif
|
1292 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
1293 |
fprintf(logfile, "IN:\n"); /* , lookup_symbol(pc_start)); */ |
1294 |
target_disas(logfile, pc_start, ctx.pc - pc_start, 0);
|
1295 |
fprintf(logfile, "\n");
|
1296 |
} |
1297 |
#endif
|
1298 |
return 0; |
1299 |
} |
1300 |
|
1301 |
int gen_intermediate_code(CPUState * env, struct TranslationBlock *tb) |
1302 |
{ |
1303 |
return gen_intermediate_code_internal(env, tb, 0); |
1304 |
} |
1305 |
|
1306 |
int gen_intermediate_code_pc(CPUState * env, struct TranslationBlock *tb) |
1307 |
{ |
1308 |
return gen_intermediate_code_internal(env, tb, 1); |
1309 |
} |
1310 |
|
1311 |
void gen_pc_load(CPUState *env, TranslationBlock *tb,
|
1312 |
unsigned long searched_pc, int pc_pos, void *puc) |
1313 |
{ |
1314 |
env->pc = gen_opc_pc[pc_pos]; |
1315 |
env->flags = gen_opc_hflags[pc_pos]; |
1316 |
} |