diff options
| -rw-r--r-- | accel/tcg/cpu-exec.c | 16 | ||||
| -rw-r--r-- | accel/tcg/translate-all.c | 3 | ||||
| -rw-r--r-- | include/exec/exec-all.h | 17 |
3 files changed, 18 insertions, 18 deletions
diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c index 849b54d0b0..b44c7941aa 100644 --- a/accel/tcg/cpu-exec.c +++ b/accel/tcg/cpu-exec.c @@ -198,17 +198,19 @@ static void cpu_exec_nocache(CPUState *cpu, int max_cycles, TranslationBlock *orig_tb, bool ignore_icount) { TranslationBlock *tb; + uint32_t cflags = curr_cflags() | CF_NOCACHE; + + if (ignore_icount) { + cflags &= ~CF_USE_ICOUNT; + } /* Should never happen. We only end up here when an existing TB is too long. */ - if (max_cycles > CF_COUNT_MASK) - max_cycles = CF_COUNT_MASK; + cflags |= MIN(max_cycles, CF_COUNT_MASK); tb_lock(); - tb = tb_gen_code(cpu, orig_tb->pc, orig_tb->cs_base, orig_tb->flags, - max_cycles | CF_NOCACHE - | (ignore_icount ? CF_IGNORE_ICOUNT : 0) - | curr_cflags()); + tb = tb_gen_code(cpu, orig_tb->pc, orig_tb->cs_base, + orig_tb->flags, cflags); tb->orig_tb = orig_tb; tb_unlock(); @@ -229,7 +231,7 @@ void cpu_exec_step_atomic(CPUState *cpu) TranslationBlock *tb; target_ulong cs_base, pc; uint32_t flags; - uint32_t cflags = 1 | CF_IGNORE_ICOUNT; + uint32_t cflags = 1; uint32_t cf_mask = cflags & CF_HASH_MASK; if (sigsetjmp(cpu->jmp_env, 0) == 0) { diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c index dcd47cd692..9fa94340dd 100644 --- a/accel/tcg/translate-all.c +++ b/accel/tcg/translate-all.c @@ -1274,9 +1274,6 @@ TranslationBlock *tb_gen_code(CPUState *cpu, assert_memory_lock(); phys_pc = get_page_addr_code(env, pc); - if (use_icount && !(cflags & CF_IGNORE_ICOUNT)) { - cflags |= CF_USE_ICOUNT; - } tb = tb_alloc(pc); if (unlikely(!tb)) { diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h index a3bd3e7abd..f14c6a56eb 100644 --- a/include/exec/exec-all.h +++ b/include/exec/exec-all.h @@ -22,6 +22,7 @@ #include "qemu-common.h" #include "exec/tb-context.h" +#include "sysemu/cpus.h" /* allow to see translation results - the slowdown should be negligible, so we leave it */ #define DEBUG_DISAS @@ -319,13 +320,12 @@ struct TranslationBlock { size <= TARGET_PAGE_SIZE) */ 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 -#define CF_IGNORE_ICOUNT 0x40000 /* Do not generate icount code */ -#define CF_INVALID 0x80000 /* TB is stale. Setters must acquire tb_lock */ -#define CF_PARALLEL 0x100000 /* Generate code for a parallel context */ +#define CF_COUNT_MASK 0x00007fff +#define CF_LAST_IO 0x00008000 /* Last insn may be an IO access. */ +#define CF_NOCACHE 0x00010000 /* To be freed after execution */ +#define CF_USE_ICOUNT 0x00020000 +#define CF_INVALID 0x00040000 /* TB is stale. Setters need tb_lock */ +#define CF_PARALLEL 0x00080000 /* Generate code for a parallel context */ /* cflags' mask for hashing/comparison */ #define CF_HASH_MASK \ (CF_COUNT_MASK | CF_LAST_IO | CF_USE_ICOUNT | CF_PARALLEL) @@ -380,7 +380,8 @@ static inline uint32_t tb_cflags(const TranslationBlock *tb) /* current cflags for hashing/comparison */ static inline uint32_t curr_cflags(void) { - return parallel_cpus ? CF_PARALLEL : 0; + return (parallel_cpus ? CF_PARALLEL : 0) + | (use_icount ? CF_USE_ICOUNT : 0); } void tb_free(TranslationBlock *tb); |