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exec-all: extract tb->tc_* into a separate struct tc_tb

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In preparation for adding tc.size to be able to keep track of
TB's using the binary search tree implementation from glib.

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>
This commit is contained in:
Emilio G. Cota 2017-07-12 00:08:21 -04:00 • committed by Richard Henderson
parent 6eb062abd6
commit e7e168f413
5 changed files with 33 additions and 25 deletions
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12
include/exec/exec-all.h
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@ -303,6 +303,14 @@ static inline void tb_invalidate_phys_addr(AddressSpace *as, hwaddr addr)
#define CODE_GEN_AVG_BLOCK_SIZE 150
#endif
/*
* Translation Cache-related fields of a TB.
*/
struct tb_tc {
void *ptr; /* pointer to the translated code */
uint8_t *search; /* pointer to search data */
};
struct TranslationBlock {
target_ulong pc; /* simulated PC corresponding to this block (EIP + CS base) */
target_ulong cs_base; /* CS base for this block */
@ -321,8 +329,8 @@ struct TranslationBlock {
/* Per-vCPU dynamic tracing state used to generate this TB */
uint32_t trace_vcpu_dstate;
void *tc_ptr; /* pointer to the translated code */
uint8_t *tc_search; /* pointer to search data */
struct tb_tc tc;
/* original tb when cflags has CF_NOCACHE */
struct TranslationBlock *orig_tb;
/* first and second physical page containing code. The lower bit