@@ -142,10 +142,12 @@ 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_NOCACHE 0x10000 /* To be freed after execution */
+#define CF_USE_ICOUNT 0x20000
void *tc_ptr; /* pointer to the translated code */
/* next matching tb for physical address. */
@@ -169,7 +171,6 @@ struct TranslationBlock {
jmp_first */
struct TranslationBlock *jmp_next[2];
struct TranslationBlock *jmp_first;
- uint32_t icount;
};
#include "exec/spinlock.h"
@@ -1045,6 +1045,9 @@ 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 */