From: Paolo Bonzini <pbonz...@redhat.com>
Subject: [PATCH] cpu-exec: add a new CF_USE_ICOUNT cflag
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
Signed-off-by: Pavel Dovgalyuk <pavel.dovga...@ispras.ru>
---
include/exec/exec-all.h | 5 +++--
translate-all.c | 3 +++
2 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h
index 1d17f75..3d19e72 100644
--- a/include/exec/exec-all.h
+++ b/include/exec/exec-all.h
@@ -142,9 +142,11 @@ struct TranslationBlock {
uint64_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 cflags; /* compile flags */
+ uint16_t icount;
+ uint32_t cflags; /* compile flags */
#define CF_COUNT_MASK 0x7fff
#define CF_LAST_IO 0x8000 /* Last insn may be an IO access. */
+#define CF_USE_ICOUNT 0x10000
void *tc_ptr; /* pointer to the translated code */
/* next matching tb for physical address. */
@@ -168,7 +170,6 @@ struct TranslationBlock {
jmp_first */
struct TranslationBlock *jmp_next[2];
struct TranslationBlock *jmp_first;
- uint32_t icount;
};
#include "exec/spinlock.h"
diff --git a/translate-all.c b/translate-all.c
index 7177b71..e9f5178 100644
--- a/translate-all.c
+++ b/translate-all.c
@@ -1047,6 +1047,9 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
int code_gen_size;
phys_pc = get_page_addr_code(env, pc);
+ if (use_icount) {
+ cflags |= CF_USE_ICOUNT;
+ }
tb = tb_alloc(pc);
if (!tb) {
/* flush must be done */
