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target/arm: Enable TARGET_TB_PCREL

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Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20221020030641.2066807-10-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2022-10-20 13:06:41 +10:00 • committed by Peter Maydell
parent 35dbeb8177
commit abb80995d7
6 changed files with 178 additions and 71 deletions
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23
target/arm/cpu.c
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@ -76,17 +76,18 @@ static vaddr arm_cpu_get_pc(CPUState *cs)
void arm_cpu_synchronize_from_tb(CPUState *cs,
const TranslationBlock *tb)
{
ARMCPU *cpu = ARM_CPU(cs);
CPUARMState *env = &cpu->env;
/*
* It's OK to look at env for the current mode here, because it's
* never possible for an AArch64 TB to chain to an AArch32 TB.
*/
if (is_a64(env)) {
env->pc = tb_pc(tb);
} else {
env->regs[15] = tb_pc(tb);
/* The program counter is always up to date with TARGET_TB_PCREL. */
if (!TARGET_TB_PCREL) {
CPUARMState *env = cs->env_ptr;
/*
* It's OK to look at env for the current mode here, because it's
* never possible for an AArch64 TB to chain to an AArch32 TB.
*/
if (is_a64(env)) {
env->pc = tb_pc(tb);
} else {
env->regs[15] = tb_pc(tb);
}
}
}
#endif /* CONFIG_TCG */