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[PATCH 59/71] linux-user/aarch64: Clear tpidr2_el0 if CLONE_SETTLS
From: |
Richard Henderson |
Subject: |
[PATCH 59/71] linux-user/aarch64: Clear tpidr2_el0 if CLONE_SETTLS |
Date: |
Thu, 2 Jun 2022 14:48:41 -0700 |
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
linux-user/aarch64/target_cpu.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/linux-user/aarch64/target_cpu.h b/linux-user/aarch64/target_cpu.h
index 97a477bd3e..f90359faf2 100644
--- a/linux-user/aarch64/target_cpu.h
+++ b/linux-user/aarch64/target_cpu.h
@@ -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)
--
2.34.1
- Re: [PATCH 41/71] target/arm: Add infrastructure for disas_sme, (continued)
- [PATCH 43/71] target/arm: Implement SME RDSVL, ADDSVL, ADDSPL, Richard Henderson, 2022/06/02
- [PATCH 44/71] target/arm: Implement SME ZERO, Richard Henderson, 2022/06/02
- [PATCH 45/71] target/arm: Implement SME MOVA, Richard Henderson, 2022/06/02
- [PATCH 48/71] target/arm: Implement SME LDR, STR, Richard Henderson, 2022/06/02
- [PATCH 51/71] target/arm: Implement BFMOPA, BFMOPS, Richard Henderson, 2022/06/02
- [PATCH 46/71] target/arm: Implement SME LD1, ST1, Richard Henderson, 2022/06/02
- [PATCH 50/71] target/arm: Implement FMOPA, FMOPS (non-widening), Richard Henderson, 2022/06/02
- [PATCH 49/71] target/arm: Implement SME ADDHA, ADDVA, Richard Henderson, 2022/06/02
- [PATCH 59/71] linux-user/aarch64: Clear tpidr2_el0 if CLONE_SETTLS,
Richard Henderson <=
- [PATCH 52/71] target/arm: Implement FMOPA, FMOPS (widening), Richard Henderson, 2022/06/02
- [PATCH 53/71] target/arm: Implement SME integer outer product, Richard Henderson, 2022/06/02
- [PATCH 55/71] target/arm: Implement REVD, Richard Henderson, 2022/06/02
- [PATCH 56/71] target/arm: Implement SCLAMP, UCLAMP, Richard Henderson, 2022/06/02
- [PATCH 60/71] linux-user/aarch64: Reset PSTATE.SM on syscalls, Richard Henderson, 2022/06/02
- [PATCH 68/71] linux-user/aarch64: Implement PR_SME_GET_VL, PR_SME_SET_VL, Richard Henderson, 2022/06/02
- [PATCH 58/71] target/arm: Enable SME for -cpu max, Richard Henderson, 2022/06/02
- [PATCH 47/71] target/arm: Export unpredicated ld/st from translate-sve.c, Richard Henderson, 2022/06/02
- [PATCH 66/71] linux-user/aarch64: Implement SME signal handling, Richard Henderson, 2022/06/02
- [PATCH 64/71] linux-user/aarch64: Verify extra record lock succeeded, Richard Henderson, 2022/06/02