diff options
Diffstat (limited to 'target-microblaze')
| -rw-r--r-- | target-microblaze/cpu.c | 6 | ||||
| -rw-r--r-- | target-microblaze/cpu.h | 1 | ||||
| -rw-r--r-- | target-microblaze/op_helper.c | 4 | ||||
| -rw-r--r-- | target-microblaze/translate.c | 83 |
4 files changed, 29 insertions, 65 deletions
diff --git a/target-microblaze/cpu.c b/target-microblaze/cpu.c index cbd84a22f7..52959e13b4 100644 --- a/target-microblaze/cpu.c +++ b/target-microblaze/cpu.c @@ -264,6 +264,12 @@ static void mb_cpu_class_init(ObjectClass *oc, void *data) cc->gdb_num_core_regs = 32 + 5; cc->disas_set_info = mb_disas_set_info; + + /* + * Reason: mb_cpu_initfn() calls cpu_exec_init(), which saves the + * object in cpus -> dangling pointer after final object_unref(). + */ + dc->cannot_destroy_with_object_finalize_yet = true; } static const TypeInfo mb_cpu_type_info = { diff --git a/target-microblaze/cpu.h b/target-microblaze/cpu.h index b707c71367..6b212ab7f0 100644 --- a/target-microblaze/cpu.h +++ b/target-microblaze/cpu.h @@ -295,7 +295,6 @@ int cpu_mb_signal_handler(int host_signum, void *pinfo, #define cpu_init(cpu_model) CPU(cpu_mb_init(cpu_model)) #define cpu_exec cpu_mb_exec -#define cpu_gen_code cpu_mb_gen_code #define cpu_signal_handler cpu_mb_signal_handler /* MMU modes definitions */ diff --git a/target-microblaze/op_helper.c b/target-microblaze/op_helper.c index 092c4b594d..d32434770c 100644 --- a/target-microblaze/op_helper.c +++ b/target-microblaze/op_helper.c @@ -150,9 +150,7 @@ uint32_t helper_clz(uint32_t t0) uint32_t helper_carry(uint32_t a, uint32_t b, uint32_t cf) { - uint32_t ncf; - ncf = compute_carry(a, b, cf); - return ncf; + return compute_carry(a, b, cf); } static inline int div_prepare(CPUMBState *env, uint32_t a, uint32_t b) diff --git a/target-microblaze/translate.c b/target-microblaze/translate.c index 3de89440a6..a9c501099c 100644 --- a/target-microblaze/translate.c +++ b/target-microblaze/translate.c @@ -1588,10 +1588,6 @@ static inline void decode(DisasContext *dc, uint32_t ir) { int i; - if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP | CPU_LOG_TB_OP_OPT))) { - tcg_gen_debug_insn_start(dc->pc); - } - dc->ir = ir; LOG_DIS("%8.8x\t", dc->ir); @@ -1630,30 +1626,12 @@ static inline void decode(DisasContext *dc, uint32_t ir) } } -static void check_breakpoint(CPUMBState *env, DisasContext *dc) -{ - CPUState *cs = CPU(mb_env_get_cpu(env)); - CPUBreakpoint *bp; - - if (unlikely(!QTAILQ_EMPTY(&cs->breakpoints))) { - QTAILQ_FOREACH(bp, &cs->breakpoints, entry) { - if (bp->pc == dc->pc) { - t_gen_raise_exception(dc, EXCP_DEBUG); - dc->is_jmp = DISAS_UPDATE; - } - } - } -} - /* generate intermediate code for basic block 'tb'. */ -static inline void -gen_intermediate_code_internal(MicroBlazeCPU *cpu, TranslationBlock *tb, - bool search_pc) +void gen_intermediate_code(CPUMBState *env, struct TranslationBlock *tb) { + MicroBlazeCPU *cpu = mb_env_get_cpu(env); CPUState *cs = CPU(cpu); - CPUMBState *env = &cpu->env; uint32_t pc_start; - int j, lj; struct DisasContext ctx; struct DisasContext *dc = &ctx; uint32_t next_page_start, org_flags; @@ -1690,47 +1668,46 @@ gen_intermediate_code_internal(MicroBlazeCPU *cpu, TranslationBlock *tb, } 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) + if (max_insns == 0) { max_insns = CF_COUNT_MASK; + } + if (max_insns > TCG_MAX_INSNS) { + max_insns = TCG_MAX_INSNS; + } gen_tb_start(tb); do { + tcg_gen_insn_start(dc->pc); + num_insns++; + #if SIM_COMPAT if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) { tcg_gen_movi_tl(cpu_SR[SR_PC], dc->pc); gen_helper_debug(); } #endif - check_breakpoint(env, dc); - - 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; - tcg_ctx.gen_opc_instr_start[lj] = 1; - tcg_ctx.gen_opc_icount[lj] = num_insns; + + if (unlikely(cpu_breakpoint_test(cs, dc->pc, BP_ANY))) { + t_gen_raise_exception(dc, EXCP_DEBUG); + dc->is_jmp = DISAS_UPDATE; + break; } /* Pretty disas. */ LOG_DIS("%8.8x:\t", dc->pc); - if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO)) + if (num_insns == max_insns && (tb->cflags & CF_LAST_IO)) { gen_io_start(); + } dc->clear_imm = 1; decode(dc, cpu_ldl_code(env, dc->pc)); if (dc->clear_imm) dc->tb_flags &= ~IMM_FLAG; dc->pc += 4; - num_insns++; if (dc->delayed_branch) { dc->delayed_branch--; @@ -1821,15 +1798,8 @@ gen_intermediate_code_internal(MicroBlazeCPU *cpu, TranslationBlock *tb, } gen_tb_end(tb, num_insns); - 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; - } + tb->size = dc->pc - pc_start; + tb->icount = num_insns; #ifdef DEBUG_DISAS #if !SIM_COMPAT @@ -1846,16 +1816,6 @@ gen_intermediate_code_internal(MicroBlazeCPU *cpu, TranslationBlock *tb, assert(!dc->abort_at_next_insn); } -void gen_intermediate_code (CPUMBState *env, struct TranslationBlock *tb) -{ - gen_intermediate_code_internal(mb_env_get_cpu(env), tb, false); -} - -void gen_intermediate_code_pc (CPUMBState *env, struct TranslationBlock *tb) -{ - gen_intermediate_code_internal(mb_env_get_cpu(env), tb, true); -} - void mb_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf, int flags) { @@ -1936,7 +1896,8 @@ void mb_tcg_init(void) } } -void restore_state_to_opc(CPUMBState *env, TranslationBlock *tb, int pc_pos) +void restore_state_to_opc(CPUMBState *env, TranslationBlock *tb, + target_ulong *data) { - env->sregs[SR_PC] = tcg_ctx.gen_opc_pc[pc_pos]; + env->sregs[SR_PC] = data[0]; } |