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cpu-exec: add a new CF_USE_ICOUNT cflag 

Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2014-11-26 13:39:53 +03:00
parent 69b058c881
commit 0266359e57
2 changed files with 6 additions and 2 deletions
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5
include/exec/exec-all.h
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@ -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"

3
translate-all.c
View File

@ -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 */