Remove empty dummy file "loaders.cache" during uninstall (bug #1766841)
[qemu/ar7.git] / include / exec / tb-lookup.h
blob492cb682894b28a856ff7dd72f3a296e8cf00483
1 /*
2 * Copyright (C) 2017, Emilio G. Cota <cota@braap.org>
4 * License: GNU GPL, version 2 or later.
5 * See the COPYING file in the top-level directory.
6 */
7 #ifndef EXEC_TB_LOOKUP_H
8 #define EXEC_TB_LOOKUP_H
10 #ifdef NEED_CPU_H
11 #include "cpu.h"
12 #else
13 #include "exec/poison.h"
14 #endif
16 #include "exec/exec-all.h"
17 #include "exec/tb-hash.h"
19 /* Might cause an exception, so have a longjmp destination ready */
20 static inline TranslationBlock *
21 tb_lookup__cpu_state(CPUState *cpu, target_ulong *pc, target_ulong *cs_base,
22 uint32_t *flags, uint32_t cf_mask)
24 CPUArchState *env = (CPUArchState *)cpu->env_ptr;
25 TranslationBlock *tb;
26 uint32_t hash;
28 cpu_get_tb_cpu_state(env, pc, cs_base, flags);
29 hash = tb_jmp_cache_hash_func(*pc);
30 tb = atomic_rcu_read(&cpu->tb_jmp_cache[hash]);
31 if (likely(tb &&
32 tb->pc == *pc &&
33 tb->cs_base == *cs_base &&
34 tb->flags == *flags &&
35 tb->trace_vcpu_dstate == *cpu->trace_dstate &&
36 (tb_cflags(tb) & (CF_HASH_MASK | CF_INVALID)) == cf_mask)) {
37 return tb;
39 tb = tb_htable_lookup(cpu, *pc, *cs_base, *flags, cf_mask);
40 if (tb == NULL) {
41 return NULL;
43 atomic_set(&cpu->tb_jmp_cache[hash], tb);
44 return tb;
47 #endif /* EXEC_TB_LOOKUP_H */