diff options
Diffstat (limited to 'tcg/tcg.h')
| -rw-r--r-- | tcg/tcg.h | 19 |
1 files changed, 15 insertions, 4 deletions
@@ -695,6 +695,8 @@ struct TCGContext { /* Threshold to flush the translated code buffer. */ void *code_gen_highwater; + size_t tb_phys_invalidate_count; + /* Track which vCPU triggers events */ CPUState *cpu; /* *_trans */ @@ -848,14 +850,16 @@ static inline bool tcg_op_buf_full(void) /* This is not a hard limit, it merely stops translation when * we have produced "enough" opcodes. We want to limit TB size * such that a RISC host can reasonably use a 16-bit signed - * branch within the TB. + * branch within the TB. We also need to be mindful of the + * 16-bit unsigned offsets, TranslationBlock.jmp_reset_offset[] + * and TCGContext.gen_insn_end_off[]. */ - return tcg_ctx->nb_ops >= 8000; + return tcg_ctx->nb_ops >= 4000; } /* pool based memory allocation */ -/* user-mode: tb_lock must be held for tcg_malloc_internal. */ +/* user-mode: mmap_lock must be held for tcg_malloc_internal. */ void *tcg_malloc_internal(TCGContext *s, int size); void tcg_pool_reset(TCGContext *s); TranslationBlock *tcg_tb_alloc(TCGContext *s); @@ -866,7 +870,14 @@ void tcg_region_reset_all(void); size_t tcg_code_size(void); size_t tcg_code_capacity(void); -/* user-mode: Called with tb_lock held. */ +void tcg_tb_insert(TranslationBlock *tb); +void tcg_tb_remove(TranslationBlock *tb); +size_t tcg_tb_phys_invalidate_count(void); +TranslationBlock *tcg_tb_lookup(uintptr_t tc_ptr); +void tcg_tb_foreach(GTraverseFunc func, gpointer user_data); +size_t tcg_nb_tbs(void); + +/* user-mode: Called with mmap_lock held. */ static inline void *tcg_malloc(int size) { TCGContext *s = tcg_ctx; |