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linux-user/aarch64: Clear tpidr2_el0 if CLONE_SETTLS 

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220708151540.18136-34-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2022-07-08 20:45:28 +05:30 committed by Peter Maydell
parent 78cb977666
commit 95aa4fdd58
1 changed files with 4 additions and 1 deletions
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5
linux-user/aarch64/target_cpu.h
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@ -34,10 +34,13 @@ static inline void cpu_clone_regs_parent(CPUARMState *env, unsigned flags)
static inline void cpu_set_tls(CPUARMState *env, target_ulong newtls)
{
/* Note that AArch64 Linux keeps the TLS pointer in TPIDR; this is
/*
* Note that AArch64 Linux keeps the TLS pointer in TPIDR; this is
* different from AArch32 Linux, which uses TPIDRRO.
*/
env->cp15.tpidr_el[0] = newtls;
/* TPIDR2_EL0 is cleared with CLONE_SETTLS. */
env->cp15.tpidr2_el0 = 0;
}
static inline abi_ulong get_sp_from_cpustate(CPUARMState *state)