diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/exec/exec-all.h | 22 | ||||
| -rw-r--r-- | include/exec/tb-lookup.h | 26 | ||||
| -rw-r--r-- | include/hw/core/cpu.h | 2 |
3 files changed, 25 insertions, 25 deletions
diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h index b7b3c0ef12..6b036cae8f 100644 --- a/include/exec/exec-all.h +++ b/include/exec/exec-all.h @@ -448,9 +448,6 @@ struct TranslationBlock { target_ulong pc; /* simulated PC corresponding to this block (EIP + CS base) */ target_ulong cs_base; /* CS base for this block */ uint32_t flags; /* flags defining in which context the code was generated */ - uint16_t size; /* size of target code for this block (1 <= - size <= TARGET_PAGE_SIZE) */ - uint16_t icount; uint32_t cflags; /* compile flags */ #define CF_COUNT_MASK 0x00007fff #define CF_LAST_IO 0x00008000 /* Last insn may be an IO access. */ @@ -460,12 +457,18 @@ struct TranslationBlock { #define CF_PARALLEL 0x00080000 /* Generate code for a parallel context */ #define CF_CLUSTER_MASK 0xff000000 /* Top 8 bits are cluster ID */ #define CF_CLUSTER_SHIFT 24 -/* cflags' mask for hashing/comparison, basically ignore CF_INVALID */ -#define CF_HASH_MASK (~CF_INVALID) /* Per-vCPU dynamic tracing state used to generate this TB */ uint32_t trace_vcpu_dstate; + /* + * Above fields used for comparing + */ + + /* size of target code for this block (1 <= size <= TARGET_PAGE_SIZE) */ + uint16_t size; + uint16_t icount; + struct tb_tc tc; /* first and second physical page containing code. The lower bit @@ -510,8 +513,6 @@ struct TranslationBlock { uintptr_t jmp_dest[2]; }; -extern bool parallel_cpus; - /* Hide the qatomic_read to make code a little easier on the eyes */ static inline uint32_t tb_cflags(const TranslationBlock *tb) { @@ -519,10 +520,9 @@ static inline uint32_t tb_cflags(const TranslationBlock *tb) } /* current cflags for hashing/comparison */ -static inline uint32_t curr_cflags(void) +static inline uint32_t curr_cflags(CPUState *cpu) { - return (parallel_cpus ? CF_PARALLEL : 0) - | (icount_enabled() ? CF_USE_ICOUNT : 0); + return cpu->tcg_cflags; } /* TranslationBlock invalidate API */ @@ -536,7 +536,7 @@ void tb_flush(CPUState *cpu); void tb_phys_invalidate(TranslationBlock *tb, tb_page_addr_t page_addr); TranslationBlock *tb_htable_lookup(CPUState *cpu, target_ulong pc, target_ulong cs_base, uint32_t flags, - uint32_t cf_mask); + uint32_t cflags); void tb_set_jmp_target(TranslationBlock *tb, int n, uintptr_t addr); /* GETPC is the true target of the return instruction that we'll execute. */ diff --git a/include/exec/tb-lookup.h b/include/exec/tb-lookup.h index 9cf475bb03..29d61ceb34 100644 --- a/include/exec/tb-lookup.h +++ b/include/exec/tb-lookup.h @@ -17,30 +17,28 @@ #include "exec/tb-hash.h" /* Might cause an exception, so have a longjmp destination ready */ -static inline TranslationBlock * -tb_lookup__cpu_state(CPUState *cpu, target_ulong *pc, target_ulong *cs_base, - uint32_t *flags, uint32_t cf_mask) +static inline TranslationBlock *tb_lookup(CPUState *cpu, target_ulong pc, + target_ulong cs_base, + uint32_t flags, uint32_t cflags) { - CPUArchState *env = (CPUArchState *)cpu->env_ptr; TranslationBlock *tb; uint32_t hash; - cpu_get_tb_cpu_state(env, pc, cs_base, flags); - hash = tb_jmp_cache_hash_func(*pc); - tb = qatomic_rcu_read(&cpu->tb_jmp_cache[hash]); + /* we should never be trying to look up an INVALID tb */ + tcg_debug_assert(!(cflags & CF_INVALID)); - cf_mask &= ~CF_CLUSTER_MASK; - cf_mask |= cpu->cluster_index << CF_CLUSTER_SHIFT; + hash = tb_jmp_cache_hash_func(pc); + tb = qatomic_rcu_read(&cpu->tb_jmp_cache[hash]); if (likely(tb && - tb->pc == *pc && - tb->cs_base == *cs_base && - tb->flags == *flags && + tb->pc == pc && + tb->cs_base == cs_base && + tb->flags == flags && tb->trace_vcpu_dstate == *cpu->trace_dstate && - (tb_cflags(tb) & (CF_HASH_MASK | CF_INVALID)) == cf_mask)) { + tb_cflags(tb) == cflags)) { return tb; } - tb = tb_htable_lookup(cpu, *pc, *cs_base, *flags, cf_mask); + tb = tb_htable_lookup(cpu, pc, cs_base, flags, cflags); if (tb == NULL) { return NULL; } diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h index c005d3dc2d..c68bc3ba8a 100644 --- a/include/hw/core/cpu.h +++ b/include/hw/core/cpu.h @@ -282,6 +282,7 @@ struct qemu_work_item; * to a cluster this will be UNASSIGNED_CLUSTER_INDEX; otherwise it will * be the same as the cluster-id property of the CPU object's TYPE_CPU_CLUSTER * QOM parent. + * @tcg_cflags: Pre-computed cflags for this cpu. * @nr_cores: Number of cores within this CPU package. * @nr_threads: Number of threads within this CPU. * @running: #true if CPU is currently running (lockless). @@ -412,6 +413,7 @@ struct CPUState { /* TODO Move common fields from CPUArchState here. */ int cpu_index; int cluster_index; + uint32_t tcg_cflags; uint32_t halted; uint32_t can_do_io; int32_t exception_index; |