diff options
Diffstat (limited to 'exec.c')
| -rw-r--r-- | exec.c | 82 |
1 files changed, 56 insertions, 26 deletions
diff --git a/exec.c b/exec.c index e950df25c3..d611100dc3 100644 --- a/exec.c +++ b/exec.c @@ -649,6 +649,32 @@ void cpu_exec_init(CPUState *env) #endif } +/* Allocate a new translation block. Flush the translation buffer if + too many translation blocks or too much generated code. */ +static TranslationBlock *tb_alloc(target_ulong pc) +{ + TranslationBlock *tb; + + if (nb_tbs >= code_gen_max_blocks || + (code_gen_ptr - code_gen_buffer) >= code_gen_buffer_max_size) + return NULL; + tb = &tbs[nb_tbs++]; + tb->pc = pc; + tb->cflags = 0; + return tb; +} + +void tb_free(TranslationBlock *tb) +{ + /* In practice this is mostly used for single use temporary TB + Ignore the hard cases and just back up if this TB happens to + be the last one generated. */ + if (nb_tbs > 0 && tb == &tbs[nb_tbs - 1]) { + code_gen_ptr = tb->tc_ptr; + nb_tbs--; + } +} + static inline void invalidate_page_bitmap(PageDesc *p) { if (p->code_bitmap) { @@ -1226,32 +1252,6 @@ static inline void tb_alloc_page(TranslationBlock *tb, #endif /* TARGET_HAS_SMC */ } -/* Allocate a new translation block. Flush the translation buffer if - too many translation blocks or too much generated code. */ -TranslationBlock *tb_alloc(target_ulong pc) -{ - TranslationBlock *tb; - - if (nb_tbs >= code_gen_max_blocks || - (code_gen_ptr - code_gen_buffer) >= code_gen_buffer_max_size) - return NULL; - tb = &tbs[nb_tbs++]; - tb->pc = pc; - tb->cflags = 0; - return tb; -} - -void tb_free(TranslationBlock *tb) -{ - /* In practice this is mostly used for single use temporary TB - Ignore the hard cases and just back up if this TB happens to - be the last one generated. */ - if (nb_tbs > 0 && tb == &tbs[nb_tbs - 1]) { - code_gen_ptr = tb->tc_ptr; - nb_tbs--; - } -} - /* add a new TB and link it to the physical page tables. phys_page2 is (-1) to indicate that only one page contains the TB. */ void tb_link_page(TranslationBlock *tb, @@ -2078,6 +2078,36 @@ int cpu_physical_sync_dirty_bitmap(target_phys_addr_t start_addr, return ret; } +int cpu_physical_log_start(target_phys_addr_t start_addr, + ram_addr_t size) +{ + CPUPhysMemoryClient *client; + QLIST_FOREACH(client, &memory_client_list, list) { + if (client->log_start) { + int r = client->log_start(client, start_addr, size); + if (r < 0) { + return r; + } + } + } + return 0; +} + +int cpu_physical_log_stop(target_phys_addr_t start_addr, + ram_addr_t size) +{ + CPUPhysMemoryClient *client; + QLIST_FOREACH(client, &memory_client_list, list) { + if (client->log_stop) { + int r = client->log_stop(client, start_addr, size); + if (r < 0) { + return r; + } + } + } + return 0; +} + static inline void tlb_update_dirty(CPUTLBEntry *tlb_entry) { ram_addr_t ram_addr; |