diff options
| author | Mark Brown <broonie@kernel.org> | 2024-03-06 23:14:49 +0000 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2024-03-07 17:14:53 +0000 |
| commit | 8c46def44409fc914278630b7ba5ac142ab7c4f4 (patch) | |
| tree | 56012336f6642b68d5aa5be7f39261323ad25274 /arch/arm64/include | |
| parent | 203f2b95a882dc46dd9873562167db69a1f61711 (diff) | |
arm64/signal: Add FPMR signal handling
Expose FPMR in the signal context on systems where it is supported. The
kernel validates the exact size of the FPSIMD registers so we can't readily
add it to fpsimd_context without disruption.
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20240306-arm64-2023-dpisa-v5-4-c568edc8ed7f@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/include')
| -rw-r--r-- | arch/arm64/include/uapi/asm/sigcontext.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm64/include/uapi/asm/sigcontext.h b/arch/arm64/include/uapi/asm/sigcontext.h index f23c1dc3f002..8a45b7a411e0 100644 --- a/arch/arm64/include/uapi/asm/sigcontext.h +++ b/arch/arm64/include/uapi/asm/sigcontext.h @@ -152,6 +152,14 @@ struct tpidr2_context { __u64 tpidr2; }; +/* FPMR context */ +#define FPMR_MAGIC 0x46504d52 + +struct fpmr_context { + struct _aarch64_ctx head; + __u64 fpmr; +}; + #define ZA_MAGIC 0x54366345 struct za_context { |