diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2021-02-12 10:48:51 -0800 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-02-16 13:06:16 +0000 |
| commit | 0e0c030c681730f3ec55ba3b223b608a8f3e8282 (patch) | |
| tree | b787487c814a2833973d96d3ef135cd784d5f46a /target/arm/cpu-param.h | |
| parent | 31c048342db09e70ab887aba9c7e0818c18d0fb1 (diff) | |
linux-user/aarch64: Implement PR_TAGGED_ADDR_ENABLE
This is the prctl bit that controls whether syscalls accept tagged
addresses. See Documentation/arm64/tagged-address-abi.rst in the
linux kernel.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210212184902.1251044-21-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/cpu-param.h')
| -rw-r--r-- | target/arm/cpu-param.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/target/arm/cpu-param.h b/target/arm/cpu-param.h index 00e7d9e937..7f38d33b8e 100644 --- a/target/arm/cpu-param.h +++ b/target/arm/cpu-param.h @@ -20,6 +20,9 @@ #ifdef CONFIG_USER_ONLY #define TARGET_PAGE_BITS 12 +# ifdef TARGET_AARCH64 +# define TARGET_TAGGED_ADDRESSES +# endif #else /* * ARMv7 and later CPUs have 4K pages minimum, but ARMv5 and v6 |