e5ceadff47
Only the TCG accelerator uses the TranslationBlock API. Move the tb-context.h / tb-hash.h / tb-lookup.h from the global namespace to the TCG one (in accel/tcg). Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20210524170453.3791436-3-f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
/*
|
|
* 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 */
|