diff options
| author | Evgeny Voevodin <evgenyvoevodin@gmail.com> | 2013-02-01 01:47:23 +0700 |
|---|---|---|
| committer | Blue Swirl <blauwirbel@gmail.com> | 2013-02-16 10:41:16 +0000 |
| commit | 5e5f07e08f7ed8c8eb9b02d9f9c3c79cf95d65ee (patch) | |
| tree | e5e495dbded2697b180c04de308701755297731b /cpu-exec.c | |
| parent | 0b0d3320db74cde233ee7855ad32a9c121d20eb4 (diff) | |
TCG: Move translation block variables to new context inside tcg_ctx: tb_ctx
It's worth to clean-up translation blocks variables and move them
into one context as was suggested by Swirl.
Also if we use this context directly inside tcg_ctx, then it
speeds up code generation a bit.
Signed-off-by: Evgeny Voevodin <evgenyvoevodin@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'cpu-exec.c')
| -rw-r--r-- | cpu-exec.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/cpu-exec.c b/cpu-exec.c index 19ebb4a924..ff9a884a96 100644 --- a/cpu-exec.c +++ b/cpu-exec.c @@ -23,8 +23,6 @@ #include "qemu/atomic.h" #include "sysemu/qtest.h" -int tb_invalidated_flag; - //#define CONFIG_DEBUG_EXEC bool qemu_cpu_has_work(CPUState *cpu) @@ -90,13 +88,13 @@ static TranslationBlock *tb_find_slow(CPUArchState *env, tb_page_addr_t phys_pc, phys_page1; target_ulong virt_page2; - tb_invalidated_flag = 0; + tcg_ctx.tb_ctx.tb_invalidated_flag = 0; /* find translated block using physical mappings */ phys_pc = get_page_addr_code(env, pc); phys_page1 = phys_pc & TARGET_PAGE_MASK; h = tb_phys_hash_func(phys_pc); - ptb1 = &tb_phys_hash[h]; + ptb1 = &tcg_ctx.tb_ctx.tb_phys_hash[h]; for(;;) { tb = *ptb1; if (!tb) @@ -128,8 +126,8 @@ static TranslationBlock *tb_find_slow(CPUArchState *env, /* Move the last found TB to the head of the list */ if (likely(*ptb1)) { *ptb1 = tb->phys_hash_next; - tb->phys_hash_next = tb_phys_hash[h]; - tb_phys_hash[h] = tb; + tb->phys_hash_next = tcg_ctx.tb_ctx.tb_phys_hash[h]; + tcg_ctx.tb_ctx.tb_phys_hash[h] = tb; } /* we add the TB in the virtual pc hash table */ env->tb_jmp_cache[tb_jmp_cache_hash_func(pc)] = tb; @@ -563,16 +561,16 @@ int cpu_exec(CPUArchState *env) #endif } #endif /* DEBUG_DISAS || CONFIG_DEBUG_EXEC */ - spin_lock(&tb_lock); + spin_lock(&tcg_ctx.tb_ctx.tb_lock); tb = tb_find_fast(env); /* Note: we do it here to avoid a gcc bug on Mac OS X when doing it in tb_find_slow */ - if (tb_invalidated_flag) { + if (tcg_ctx.tb_ctx.tb_invalidated_flag) { /* as some TB could have been invalidated because of memory exceptions while generating the code, we must recompute the hash index here */ next_tb = 0; - tb_invalidated_flag = 0; + tcg_ctx.tb_ctx.tb_invalidated_flag = 0; } #ifdef CONFIG_DEBUG_EXEC qemu_log_mask(CPU_LOG_EXEC, "Trace %p [" TARGET_FMT_lx "] %s\n", @@ -585,7 +583,7 @@ int cpu_exec(CPUArchState *env) if (next_tb != 0 && tb->page_addr[1] == -1) { tb_add_jump((TranslationBlock *)(next_tb & ~3), next_tb & 3, tb); } - spin_unlock(&tb_lock); + spin_unlock(&tcg_ctx.tb_ctx.tb_lock); /* cpu_interrupt might be called while translating the TB, but before it is linked into a potentially |