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authorRichard Henderson <richard.henderson@linaro.org>2021-06-29 12:31:19 -0700
committerRichard Henderson <richard.henderson@linaro.org>2021-07-09 20:23:19 -0700
commit632cb63d9282ca58b016b6f95abcc5e42e5bda0e (patch)
treebf5aca77d1df08dd120c3eec23054214c562c724 /accel
parent4288eb26a08593d4ad53c07aca4f2193ab0d72af (diff)
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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.c31
-rw-r--r--accel/tcg/tb-lookup.h49
2 files changed, 30 insertions, 50 deletions
diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c
index fb66686..0d92698 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 9c9e007..0000000
--- 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 */