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[PATCH v6 33/45] linux-user/aarch64: Clear tpidr2_el0 if CLONE_SETTLS
From: |
Richard Henderson |
Subject: |
[PATCH v6 33/45] linux-user/aarch64: Clear tpidr2_el0 if CLONE_SETTLS |
Date: |
Fri, 8 Jul 2022 20:45:28 +0530 |
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
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
- [PATCH v6 27/45] target/arm: Implement SME integer outer product, (continued)
- [PATCH v6 27/45] target/arm: Implement SME integer outer product, Richard Henderson, 2022/07/08
- [PATCH v6 28/45] target/arm: Implement PSEL, Richard Henderson, 2022/07/08
- [PATCH v6 29/45] target/arm: Implement REVD, Richard Henderson, 2022/07/08
- [PATCH v6 30/45] target/arm: Implement SCLAMP, UCLAMP, Richard Henderson, 2022/07/08
- [PATCH v6 31/45] target/arm: Reset streaming sve state on exception boundaries, Richard Henderson, 2022/07/08
- [PATCH v6 32/45] target/arm: Enable SME for -cpu max, Richard Henderson, 2022/07/08
- [PATCH v6 37/45] linux-user/aarch64: Do not allow duplicate or short sve records, Richard Henderson, 2022/07/08
- [PATCH v6 36/45] linux-user/aarch64: Tidy target_restore_sigframe error return, Richard Henderson, 2022/07/08
- [PATCH v6 38/45] linux-user/aarch64: Verify extra record lock succeeded, Richard Henderson, 2022/07/08
- [PATCH v6 39/45] linux-user/aarch64: Move sve record checks into restore, Richard Henderson, 2022/07/08
- [PATCH v6 33/45] linux-user/aarch64: Clear tpidr2_el0 if CLONE_SETTLS,
Richard Henderson <=
- [PATCH v6 35/45] linux-user/aarch64: Add SM bit to SVE signal context, Richard Henderson, 2022/07/08
- [PATCH v6 34/45] linux-user/aarch64: Reset PSTATE.SM on syscalls, Richard Henderson, 2022/07/08
- [PATCH v6 40/45] linux-user/aarch64: Implement SME signal handling, Richard Henderson, 2022/07/08
- [PATCH v6 41/45] linux-user: Rename sve prctls, Richard Henderson, 2022/07/08
- [PATCH v6 42/45] linux-user/aarch64: Implement PR_SME_GET_VL, PR_SME_SET_VL, Richard Henderson, 2022/07/08
- [PATCH v6 43/45] target/arm: Only set ZEN in reset if SVE present, Richard Henderson, 2022/07/08
- [PATCH v6 44/45] target/arm: Enable SME for user-only, Richard Henderson, 2022/07/08
- [PATCH v6 45/45] linux-user/aarch64: Add SME related hwcap entries, Richard Henderson, 2022/07/08
- Re: [PATCH v6 00/45] target/arm: Scalable Matrix Extension, Peter Maydell, 2022/07/11