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-rw-r--r--translate-all.c85
1 files changed, 38 insertions, 47 deletions
diff --git a/translate-all.c b/translate-all.c
index d75737c3aa..b620fccfc2 100644
--- a/translate-all.c
+++ b/translate-all.c
@@ -735,6 +735,13 @@ static inline void code_gen_alloc(size_t tb_size)
qemu_mutex_init(&tcg_ctx.tb_ctx.tb_lock);
}
+static void tb_htable_init(void)
+{
+ unsigned int mode = QHT_MODE_AUTO_RESIZE;
+
+ qht_init(&tcg_ctx.tb_ctx.htable, CODE_GEN_HTABLE_SIZE, mode);
+}
+
/* Must be called before using the QEMU cpus. 'tb_size' is the size
(in bytes) allocated to the translation buffer. Zero means default
size. */
@@ -742,6 +749,7 @@ void tcg_exec_init(unsigned long tb_size)
{
cpu_gen_init();
page_init();
+ tb_htable_init();
code_gen_alloc(tb_size);
#if defined(CONFIG_SOFTMMU)
/* There's no guest base to take into account, so go ahead and
@@ -846,7 +854,7 @@ void tb_flush(CPUState *cpu)
cpu->tb_flushed = true;
}
- memset(tcg_ctx.tb_ctx.tb_phys_hash, 0, sizeof(tcg_ctx.tb_ctx.tb_phys_hash));
+ qht_reset_size(&tcg_ctx.tb_ctx.htable, CODE_GEN_HTABLE_SIZE);
page_flush_tb();
tcg_ctx.code_gen_ptr = tcg_ctx.code_gen_buffer;
@@ -857,60 +865,46 @@ void tb_flush(CPUState *cpu)
#ifdef DEBUG_TB_CHECK
-static void tb_invalidate_check(target_ulong address)
+static void
+do_tb_invalidate_check(struct qht *ht, void *p, uint32_t hash, void *userp)
{
- TranslationBlock *tb;
- int i;
+ TranslationBlock *tb = p;
+ target_ulong addr = *(target_ulong *)userp;
- address &= TARGET_PAGE_MASK;
- for (i = 0; i < CODE_GEN_PHYS_HASH_SIZE; i++) {
- for (tb = tcg_ctx.tb_ctx.tb_phys_hash[i]; tb != NULL;
- tb = tb->phys_hash_next) {
- if (!(address + TARGET_PAGE_SIZE <= tb->pc ||
- address >= tb->pc + tb->size)) {
- printf("ERROR invalidate: address=" TARGET_FMT_lx
- " PC=%08lx size=%04x\n",
- address, (long)tb->pc, tb->size);
- }
- }
+ if (!(addr + TARGET_PAGE_SIZE <= tb->pc || addr >= tb->pc + tb->size)) {
+ printf("ERROR invalidate: address=" TARGET_FMT_lx
+ " PC=%08lx size=%04x\n", addr, (long)tb->pc, tb->size);
}
}
-/* verify that all the pages have correct rights for code */
-static void tb_page_check(void)
+static void tb_invalidate_check(target_ulong address)
{
- TranslationBlock *tb;
- int i, flags1, flags2;
-
- for (i = 0; i < CODE_GEN_PHYS_HASH_SIZE; i++) {
- for (tb = tcg_ctx.tb_ctx.tb_phys_hash[i]; tb != NULL;
- tb = tb->phys_hash_next) {
- flags1 = page_get_flags(tb->pc);
- flags2 = page_get_flags(tb->pc + tb->size - 1);
- if ((flags1 & PAGE_WRITE) || (flags2 & PAGE_WRITE)) {
- printf("ERROR page flags: PC=%08lx size=%04x f1=%x f2=%x\n",
- (long)tb->pc, tb->size, flags1, flags2);
- }
- }
- }
+ address &= TARGET_PAGE_MASK;
+ qht_iter(&tcg_ctx.tb_ctx.htable, do_tb_invalidate_check, &address);
}
-#endif
-
-static inline void tb_hash_remove(TranslationBlock **ptb, TranslationBlock *tb)
+static void
+do_tb_page_check(struct qht *ht, void *p, uint32_t hash, void *userp)
{
- TranslationBlock *tb1;
+ TranslationBlock *tb = p;
+ int flags1, flags2;
- for (;;) {
- tb1 = *ptb;
- if (tb1 == tb) {
- *ptb = tb1->phys_hash_next;
- break;
- }
- ptb = &tb1->phys_hash_next;
+ flags1 = page_get_flags(tb->pc);
+ flags2 = page_get_flags(tb->pc + tb->size - 1);
+ if ((flags1 & PAGE_WRITE) || (flags2 & PAGE_WRITE)) {
+ printf("ERROR page flags: PC=%08lx size=%04x f1=%x f2=%x\n",
+ (long)tb->pc, tb->size, flags1, flags2);
}
}
+/* verify that all the pages have correct rights for code */
+static void tb_page_check(void)
+{
+ qht_iter(&tcg_ctx.tb_ctx.htable, do_tb_page_check, NULL);
+}
+
+#endif
+
static inline void tb_page_remove(TranslationBlock **ptb, TranslationBlock *tb)
{
TranslationBlock *tb1;
@@ -998,7 +992,7 @@ void tb_phys_invalidate(TranslationBlock *tb, tb_page_addr_t page_addr)
/* remove the TB from the hash list */
phys_pc = tb->page_addr[0] + (tb->pc & ~TARGET_PAGE_MASK);
h = tb_hash_func(phys_pc, tb->pc, tb->flags);
- tb_hash_remove(&tcg_ctx.tb_ctx.tb_phys_hash[h], tb);
+ qht_remove(&tcg_ctx.tb_ctx.htable, tb, h);
/* remove the TB from the page list */
if (tb->page_addr[0] != page_addr) {
@@ -1128,13 +1122,10 @@ static void tb_link_page(TranslationBlock *tb, tb_page_addr_t phys_pc,
tb_page_addr_t phys_page2)
{
uint32_t h;
- TranslationBlock **ptb;
/* add in the hash table */
h = tb_hash_func(phys_pc, tb->pc, tb->flags);
- ptb = &tcg_ctx.tb_ctx.tb_phys_hash[h];
- tb->phys_hash_next = *ptb;
- *ptb = tb;
+ qht_insert(&tcg_ctx.tb_ctx.htable, tb, h);
/* add in the page list */
tb_alloc_page(tb, 0, phys_pc & TARGET_PAGE_MASK);