diff options
Diffstat (limited to 'target-arm/translate.c')
| -rw-r--r-- | target-arm/translate.c | 54 |
1 files changed, 9 insertions, 45 deletions
diff --git a/target-arm/translate.c b/target-arm/translate.c index 2296953..22c3587 100644 --- a/target-arm/translate.c +++ b/target-arm/translate.c @@ -52,7 +52,6 @@ #define ARCH(x) do { if (!ENABLE_ARCH_##x) goto illegal_op; } while(0) #include "translate.h" -static uint32_t gen_opc_condexec_bits[OPC_BUF_SIZE]; #if defined(CONFIG_USER_ONLY) #define IS_USER(s) 1 @@ -11168,16 +11167,12 @@ undef: } /* generate intermediate code in gen_opc_buf and gen_opparam_buf for - basic block 'tb'. If search_pc is TRUE, also generate PC - information for each intermediate instruction. */ -static inline void gen_intermediate_code_internal(ARMCPU *cpu, - TranslationBlock *tb, - bool search_pc) + basic block 'tb'. */ +void gen_intermediate_code(CPUARMState *env, TranslationBlock *tb) { + ARMCPU *cpu = arm_env_get_cpu(env); CPUState *cs = CPU(cpu); - CPUARMState *env = &cpu->env; DisasContext dc1, *dc = &dc1; - int j, lj; target_ulong pc_start; target_ulong next_page_start; int num_insns; @@ -11189,7 +11184,7 @@ static inline void gen_intermediate_code_internal(ARMCPU *cpu, * the A32/T32 complexity to do with conditional execution/IT blocks/etc. */ if (ARM_TBFLAG_AARCH64_STATE(tb->flags)) { - gen_intermediate_code_internal_a64(cpu, tb, search_pc); + gen_intermediate_code_a64(cpu, tb); return; } @@ -11255,7 +11250,6 @@ static inline void gen_intermediate_code_internal(ARMCPU *cpu, /* FIXME: cpu_M0 can probably be the same as cpu_V0. */ cpu_M0 = tcg_temp_new_i64(); next_page_start = (pc_start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE; - lj = -1; num_insns = 0; max_insns = tb->cflags & CF_COUNT_MASK; if (max_insns == 0) { @@ -11289,10 +11283,9 @@ static inline void gen_intermediate_code_internal(ARMCPU *cpu, * (3) if we leave the TB unexpectedly (eg a data abort on a load) * then the CPUARMState will be wrong and we need to reset it. * This is handled in the same way as restoration of the - * PC in these situations: we will be called again with search_pc=1 - * and generate a mapping of the condexec bits for each PC in - * gen_opc_condexec_bits[]. restore_state_to_opc() then uses - * this to restore the condexec bits. + * PC in these situations; we save the value of the condexec bits + * for each PC via tcg_gen_insn_start(), and restore_state_to_opc() + * then uses this to restore them after an exception. * * Note that there are no instructions which can read the condexec * bits, and none which can write non-static values to them, so @@ -11309,18 +11302,6 @@ static inline void gen_intermediate_code_internal(ARMCPU *cpu, store_cpu_field(tmp, condexec_bits); } do { - if (search_pc) { - j = tcg_op_buf_count(); - if (lj < j) { - lj++; - while (lj < j) - tcg_ctx.gen_opc_instr_start[lj++] = 0; - } - tcg_ctx.gen_opc_pc[lj] = dc->pc; - gen_opc_condexec_bits[lj] = (dc->condexec_cond << 4) | (dc->condexec_mask >> 1); - tcg_ctx.gen_opc_instr_start[lj] = 1; - tcg_ctx.gen_opc_icount[lj] = num_insns; - } tcg_gen_insn_start(dc->pc, (dc->condexec_cond << 4) | (dc->condexec_mask >> 1)); num_insns++; @@ -11537,25 +11518,8 @@ done_generating: qemu_log("\n"); } #endif - if (search_pc) { - j = tcg_op_buf_count(); - lj++; - while (lj <= j) - tcg_ctx.gen_opc_instr_start[lj++] = 0; - } else { - tb->size = dc->pc - pc_start; - tb->icount = num_insns; - } -} - -void gen_intermediate_code(CPUARMState *env, TranslationBlock *tb) -{ - gen_intermediate_code_internal(arm_env_get_cpu(env), tb, false); -} - -void gen_intermediate_code_pc(CPUARMState *env, TranslationBlock *tb) -{ - gen_intermediate_code_internal(arm_env_get_cpu(env), tb, true); + tb->size = dc->pc - pc_start; + tb->icount = num_insns; } static const char *cpu_mode_names[16] = { |