diff options
Diffstat (limited to 'accel/tcg/cpu-exec.c')
| -rw-r--r-- | accel/tcg/cpu-exec.c | 35 |
1 files changed, 18 insertions, 17 deletions
diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c index 16e4fe3ccd..f62f12e717 100644 --- a/accel/tcg/cpu-exec.c +++ b/accel/tcg/cpu-exec.c @@ -28,7 +28,6 @@ #include "tcg/tcg.h" #include "qemu/atomic.h" #include "qemu/compiler.h" -#include "sysemu/qtest.h" #include "qemu/timer.h" #include "qemu/rcu.h" #include "exec/tb-hash.h" @@ -245,11 +244,11 @@ static void cpu_exec_exit(CPUState *cpu) void cpu_exec_step_atomic(CPUState *cpu) { + CPUArchState *env = (CPUArchState *)cpu->env_ptr; TranslationBlock *tb; target_ulong cs_base, pc; uint32_t flags; - uint32_t cflags = 1; - uint32_t cf_mask = cflags & CF_HASH_MASK; + uint32_t cflags = (curr_cflags(cpu) & ~CF_PARALLEL) | 1; int tb_exit; if (sigsetjmp(cpu->jmp_env, 0) == 0) { @@ -258,15 +257,15 @@ void cpu_exec_step_atomic(CPUState *cpu) g_assert(!cpu->running); cpu->running = true; - tb = tb_lookup__cpu_state(cpu, &pc, &cs_base, &flags, cf_mask); + cpu_get_tb_cpu_state(env, &pc, &cs_base, &flags); + tb = tb_lookup(cpu, pc, cs_base, flags, cflags); + if (tb == NULL) { mmap_lock(); tb = tb_gen_code(cpu, pc, cs_base, flags, cflags); mmap_unlock(); } - /* Since we got here, we know that parallel_cpus must be true. */ - parallel_cpus = false; cpu_exec_enter(cpu); /* execute the generated code */ trace_exec_tb(tb, pc); @@ -294,7 +293,6 @@ void cpu_exec_step_atomic(CPUState *cpu) * the execution. */ g_assert(cpu_in_exclusive_context(cpu)); - parallel_cpus = true; cpu->running = false; end_exclusive(); } @@ -305,7 +303,7 @@ struct tb_desc { CPUArchState *env; tb_page_addr_t phys_page1; uint32_t flags; - uint32_t cf_mask; + uint32_t cflags; uint32_t trace_vcpu_dstate; }; @@ -319,7 +317,7 @@ static bool tb_lookup_cmp(const void *p, const void *d) tb->cs_base == desc->cs_base && tb->flags == desc->flags && tb->trace_vcpu_dstate == desc->trace_vcpu_dstate && - (tb_cflags(tb) & (CF_HASH_MASK | CF_INVALID)) == desc->cf_mask) { + tb_cflags(tb) == desc->cflags) { /* check next page if needed */ if (tb->page_addr[1] == -1) { return true; @@ -339,7 +337,7 @@ static bool tb_lookup_cmp(const void *p, const void *d) TranslationBlock *tb_htable_lookup(CPUState *cpu, target_ulong pc, target_ulong cs_base, uint32_t flags, - uint32_t cf_mask) + uint32_t cflags) { tb_page_addr_t phys_pc; struct tb_desc desc; @@ -348,7 +346,7 @@ TranslationBlock *tb_htable_lookup(CPUState *cpu, target_ulong pc, desc.env = (CPUArchState *)cpu->env_ptr; desc.cs_base = cs_base; desc.flags = flags; - desc.cf_mask = cf_mask; + desc.cflags = cflags; desc.trace_vcpu_dstate = *cpu->trace_dstate; desc.pc = pc; phys_pc = get_page_addr_code(desc.env, pc); @@ -356,7 +354,7 @@ TranslationBlock *tb_htable_lookup(CPUState *cpu, target_ulong pc, return NULL; } desc.phys_page1 = phys_pc & TARGET_PAGE_MASK; - h = tb_hash_func(phys_pc, pc, flags, cf_mask, *cpu->trace_dstate); + h = tb_hash_func(phys_pc, pc, flags, cflags, *cpu->trace_dstate); return qht_lookup_custom(&tb_ctx.htable, &desc, h, tb_lookup_cmp); } @@ -416,16 +414,19 @@ static inline void tb_add_jump(TranslationBlock *tb, int n, static inline TranslationBlock *tb_find(CPUState *cpu, TranslationBlock *last_tb, - int tb_exit, uint32_t cf_mask) + int tb_exit, uint32_t cflags) { + CPUArchState *env = (CPUArchState *)cpu->env_ptr; TranslationBlock *tb; target_ulong cs_base, pc; uint32_t flags; - tb = tb_lookup__cpu_state(cpu, &pc, &cs_base, &flags, cf_mask); + cpu_get_tb_cpu_state(env, &pc, &cs_base, &flags); + + tb = tb_lookup(cpu, pc, cs_base, flags, cflags); if (tb == NULL) { mmap_lock(); - tb = tb_gen_code(cpu, pc, cs_base, flags, cf_mask); + tb = tb_gen_code(cpu, pc, cs_base, flags, cflags); mmap_unlock(); /* We add the TB in the virtual pc hash table for the fast lookup */ qatomic_set(&cpu->tb_jmp_cache[tb_jmp_cache_hash_func(pc)], tb); @@ -491,7 +492,7 @@ static inline bool cpu_handle_exception(CPUState *cpu, int *ret) if (replay_has_exception() && cpu_neg(cpu)->icount_decr.u16.low + cpu->icount_extra == 0) { /* Execute just one insn to trigger exception pending in the log */ - cpu->cflags_next_tb = (curr_cflags() & ~CF_USE_ICOUNT) | 1; + cpu->cflags_next_tb = (curr_cflags(cpu) & ~CF_USE_ICOUNT) | 1; } #endif return false; @@ -788,7 +789,7 @@ int cpu_exec(CPUState *cpu) have CF_INVALID set, -1 is a convenient invalid value that does not require tcg headers for cpu_common_reset. */ if (cflags == -1) { - cflags = curr_cflags(); + cflags = curr_cflags(cpu); } else { cpu->cflags_next_tb = -1; } |