This gets rid of a hole in struct TranslationBlock.
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
tb->cs_base == desc->cs_base &&
tb->flags == desc->flags &&
tb->trace_vcpu_dstate == desc->trace_vcpu_dstate &&
- !atomic_read(&tb->invalid)) {
+ !(atomic_read(&tb->cflags) & CF_INVALID)) {
/* check next page if needed */
if (tb->page_addr[1] == -1) {
return true;
tb_lock();
acquired_tb_lock = true;
}
- if (!tb->invalid) {
+ if (!(tb->cflags & CF_INVALID)) {
tb_add_jump(last_tb, tb_exit, tb);
}
}
assert_tb_locked();
- atomic_set(&tb->invalid, true);
+ atomic_set(&tb->cflags, tb->cflags | CF_INVALID);
/* remove the TB from the hash list */
phys_pc = tb->page_addr[0] + (tb->pc & ~TARGET_PAGE_MASK);
tb->flags = flags;
tb->cflags = cflags;
tb->trace_vcpu_dstate = *cpu->trace_dstate;
- tb->invalid = false;
#ifdef CONFIG_PROFILER
tcg_ctx.tb_count1++; /* includes aborted translations because of
#define CF_NOCACHE 0x10000 /* To be freed after execution */
#define CF_USE_ICOUNT 0x20000
#define CF_IGNORE_ICOUNT 0x40000 /* Do not generate icount code */
+#define CF_INVALID 0x80000 /* TB is stale. Setters must acquire tb_lock */
/* Per-vCPU dynamic tracing state used to generate this TB */
uint32_t trace_vcpu_dstate;
- uint16_t invalid;
-
void *tc_ptr; /* pointer to the translated code */
uint8_t *tc_search; /* pointer to search data */
/* original tb when cflags has CF_NOCACHE */
tb->cs_base == *cs_base &&
tb->flags == *flags &&
tb->trace_vcpu_dstate == *cpu->trace_dstate &&
- !atomic_read(&tb->invalid))) {
+ !(atomic_read(&tb->cflags) & CF_INVALID))) {
return tb;
}
tb = tb_htable_lookup(cpu, *pc, *cs_base, *flags);