diff options
author | Richard Henderson <richard.henderson@linaro.org> | 2021-06-29 12:31:19 -0700 |
---|---|---|
committer | Richard Henderson <richard.henderson@linaro.org> | 2021-07-09 20:23:19 -0700 |
commit | 632cb63d9282ca58b016b6f95abcc5e42e5bda0e (patch) | |
tree | bf5aca77d1df08dd120c3eec23054214c562c724 /accel | |
parent | 4288eb26a08593d4ad53c07aca4f2193ab0d72af (diff) | |
download | qemu-632cb63d9282ca58b016b6f95abcc5e42e5bda0e.zip |
accel/tcg: Move tb_lookup to cpu-exec.c
Now that we've moved helper_lookup_tb_ptr, the only user
of tb-lookup.h is cpu-exec.c; merge the contents in.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'accel')
-rw-r--r-- | accel/tcg/cpu-exec.c | 31 | ||||
-rw-r--r-- | accel/tcg/tb-lookup.h | 49 |
2 files changed, 30 insertions, 50 deletions
diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c index fb6668606f..0d92698030 100644 --- a/accel/tcg/cpu-exec.c +++ b/accel/tcg/cpu-exec.c @@ -40,7 +40,6 @@ #include "sysemu/replay.h" #include "exec/helper-proto.h" #include "tb-hash.h" -#include "tb-lookup.h" #include "tb-context.h" #include "internal.h" @@ -146,6 +145,36 @@ static void init_delay_params(SyncClocks *sc, const CPUState *cpu) } #endif /* CONFIG USER ONLY */ +/* Might cause an exception, so have a longjmp destination ready */ +static inline TranslationBlock *tb_lookup(CPUState *cpu, target_ulong pc, + target_ulong cs_base, + uint32_t flags, uint32_t cflags) +{ + TranslationBlock *tb; + uint32_t hash; + + /* we should never be trying to look up an INVALID tb */ + tcg_debug_assert(!(cflags & CF_INVALID)); + + hash = tb_jmp_cache_hash_func(pc); + tb = qatomic_rcu_read(&cpu->tb_jmp_cache[hash]); + + if (likely(tb && + tb->pc == pc && + tb->cs_base == cs_base && + tb->flags == flags && + tb->trace_vcpu_dstate == *cpu->trace_dstate && + tb_cflags(tb) == cflags)) { + return tb; + } + tb = tb_htable_lookup(cpu, pc, cs_base, flags, cflags); + if (tb == NULL) { + return NULL; + } + qatomic_set(&cpu->tb_jmp_cache[hash], tb); + return tb; +} + /** * helper_lookup_tb_ptr: quick check for next tb * @env: current cpu state diff --git a/accel/tcg/tb-lookup.h b/accel/tcg/tb-lookup.h deleted file mode 100644 index 9c9e0079da..0000000000 --- a/accel/tcg/tb-lookup.h +++ /dev/null @@ -1,49 +0,0 @@ -/* - * Copyright (C) 2017, Emilio G. Cota <cota@braap.org> - * - * License: GNU GPL, version 2 or later. - * See the COPYING file in the top-level directory. - */ -#ifndef EXEC_TB_LOOKUP_H -#define EXEC_TB_LOOKUP_H - -#ifdef NEED_CPU_H -#include "cpu.h" -#else -#include "exec/poison.h" -#endif - -#include "exec/exec-all.h" -#include "tb-hash.h" - -/* Might cause an exception, so have a longjmp destination ready */ -static inline TranslationBlock *tb_lookup(CPUState *cpu, target_ulong pc, - target_ulong cs_base, - uint32_t flags, uint32_t cflags) -{ - TranslationBlock *tb; - uint32_t hash; - - /* we should never be trying to look up an INVALID tb */ - tcg_debug_assert(!(cflags & CF_INVALID)); - - hash = tb_jmp_cache_hash_func(pc); - tb = qatomic_rcu_read(&cpu->tb_jmp_cache[hash]); - - if (likely(tb && - tb->pc == pc && - tb->cs_base == cs_base && - tb->flags == flags && - tb->trace_vcpu_dstate == *cpu->trace_dstate && - tb_cflags(tb) == cflags)) { - return tb; - } - tb = tb_htable_lookup(cpu, pc, cs_base, flags, cflags); - if (tb == NULL) { - return NULL; - } - qatomic_set(&cpu->tb_jmp_cache[hash], tb); - return tb; -} - -#endif /* EXEC_TB_LOOKUP_H */ |