diff options
Diffstat (limited to 'target-sh4/translate.c')
-rw-r--r-- | target-sh4/translate.c | 91 |
1 files changed, 27 insertions, 64 deletions
diff --git a/target-sh4/translate.c b/target-sh4/translate.c index 724c0e7106..f764bc2539 100644 --- a/target-sh4/translate.c +++ b/target-sh4/translate.c @@ -70,8 +70,6 @@ static TCGv cpu_fregs[32]; /* internal register indexes */ static TCGv cpu_flags, cpu_delayed_pc; -static uint32_t gen_opc_hflags[OPC_BUF_SIZE]; - #include "exec/gen-icount.h" void sh4_translate_init(void) @@ -1790,10 +1788,6 @@ static void decode_opc(DisasContext * ctx) { uint32_t old_flags = ctx->flags; - if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP | CPU_LOG_TB_OP_OPT))) { - tcg_gen_debug_insn_start(ctx->pc); - } - _decode_opc(ctx); if (old_flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL)) { @@ -1820,16 +1814,12 @@ static void decode_opc(DisasContext * ctx) gen_store_flags(ctx->flags); } -static inline void -gen_intermediate_code_internal(SuperHCPU *cpu, TranslationBlock *tb, - bool search_pc) +void gen_intermediate_code(CPUSH4State * env, struct TranslationBlock *tb) { + SuperHCPU *cpu = sh_env_get_cpu(env); CPUState *cs = CPU(cpu); - CPUSH4State *env = &cpu->env; DisasContext ctx; target_ulong pc_start; - CPUBreakpoint *bp; - int i, ii; int num_insns; int max_insns; @@ -1846,45 +1836,34 @@ gen_intermediate_code_internal(SuperHCPU *cpu, TranslationBlock *tb, ctx.features = env->features; ctx.has_movcal = (ctx.flags & TB_FLAG_PENDING_MOVCA); - ii = -1; num_insns = 0; max_insns = tb->cflags & CF_COUNT_MASK; - if (max_insns == 0) + if (max_insns == 0) { max_insns = CF_COUNT_MASK; + } + if (max_insns > TCG_MAX_INSNS) { + max_insns = TCG_MAX_INSNS; + } + gen_tb_start(tb); while (ctx.bstate == BS_NONE && !tcg_op_buf_full()) { - if (unlikely(!QTAILQ_EMPTY(&cs->breakpoints))) { - QTAILQ_FOREACH(bp, &cs->breakpoints, entry) { - if (ctx.pc == bp->pc) { - /* We have hit a breakpoint - make sure PC is up-to-date */ - tcg_gen_movi_i32(cpu_pc, ctx.pc); - gen_helper_debug(cpu_env); - ctx.bstate = BS_BRANCH; - break; - } - } - } - if (search_pc) { - i = tcg_op_buf_count(); - if (ii < i) { - ii++; - while (ii < i) - tcg_ctx.gen_opc_instr_start[ii++] = 0; - } - tcg_ctx.gen_opc_pc[ii] = ctx.pc; - gen_opc_hflags[ii] = ctx.flags; - tcg_ctx.gen_opc_instr_start[ii] = 1; - tcg_ctx.gen_opc_icount[ii] = num_insns; + tcg_gen_insn_start(ctx.pc, ctx.flags); + num_insns++; + + if (unlikely(cpu_breakpoint_test(cs, ctx.pc, BP_ANY))) { + /* We have hit a breakpoint - make sure PC is up-to-date */ + tcg_gen_movi_i32(cpu_pc, ctx.pc); + gen_helper_debug(cpu_env); + ctx.bstate = BS_BRANCH; + break; } - if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO)) + + if (num_insns == max_insns && (tb->cflags & CF_LAST_IO)) { gen_io_start(); -#if 0 - fprintf(stderr, "Loading opcode at address 0x%08x\n", ctx.pc); - fflush(stderr); -#endif + } + ctx.opcode = cpu_lduw_code(env, ctx.pc); decode_opc(&ctx); - num_insns++; ctx.pc += 2; if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0) break; @@ -1924,15 +1903,8 @@ gen_intermediate_code_internal(SuperHCPU *cpu, TranslationBlock *tb, gen_tb_end(tb, num_insns); - if (search_pc) { - i = tcg_op_buf_count(); - ii++; - while (ii <= i) - tcg_ctx.gen_opc_instr_start[ii++] = 0; - } else { - tb->size = ctx.pc - pc_start; - tb->icount = num_insns; - } + tb->size = ctx.pc - pc_start; + tb->icount = num_insns; #ifdef DEBUG_DISAS if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) { @@ -1943,18 +1915,9 @@ gen_intermediate_code_internal(SuperHCPU *cpu, TranslationBlock *tb, #endif } -void gen_intermediate_code(CPUSH4State * env, struct TranslationBlock *tb) -{ - gen_intermediate_code_internal(sh_env_get_cpu(env), tb, false); -} - -void gen_intermediate_code_pc(CPUSH4State * env, struct TranslationBlock *tb) -{ - gen_intermediate_code_internal(sh_env_get_cpu(env), tb, true); -} - -void restore_state_to_opc(CPUSH4State *env, TranslationBlock *tb, int pc_pos) +void restore_state_to_opc(CPUSH4State *env, TranslationBlock *tb, + target_ulong *data) { - env->pc = tcg_ctx.gen_opc_pc[pc_pos]; - env->flags = gen_opc_hflags[pc_pos]; + env->pc = data[0]; + env->flags = data[1]; } |