diff options
| author | Marc Zyngier <marc.zyngier@arm.com> | 2018-09-27 17:15:33 +0100 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2018-10-01 13:36:03 +0100 |
| commit | 32a3e635fb0ecc1b197d54f710e76c6481cf19f0 (patch) | |
| tree | abcec37734e52a8c3fd693c3631ba8f7a24732ef /arch/arm64/include/asm/esr.h | |
| parent | 50de013d22e4e112d7b0778a0e7d032f16c46778 (diff) | |
arm64: compat: Add CNTFRQ trap handler
Just like CNTVCT, we need to handle userspace trapping into the
kernel if we're decided that the timer wasn't fit for purpose...
64bit userspace is already dealt with, but we're missing the
equivalent compat handling.
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/esr.h')
| -rw-r--r-- | arch/arm64/include/asm/esr.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/esr.h b/arch/arm64/include/asm/esr.h index 5548712ce6e5..fb7dfe1b51bb 100644 --- a/arch/arm64/include/asm/esr.h +++ b/arch/arm64/include/asm/esr.h @@ -318,6 +318,9 @@ #define ESR_ELx_CP15_64_ISS_SYS_CNTVCT (ESR_ELx_CP15_64_ISS_SYS_VAL(1, 14) | \ ESR_ELx_CP15_64_ISS_DIR_READ) +#define ESR_ELx_CP15_32_ISS_SYS_CNTFRQ (ESR_ELx_CP15_32_ISS_SYS_VAL(0, 0, 14, 0) |\ + ESR_ELx_CP15_32_ISS_DIR_READ) + #ifndef __ASSEMBLY__ #include <asm/types.h> |