diff options
Diffstat (limited to 'arch/arm64/include/asm/assembler.h')
| -rw-r--r-- | arch/arm64/include/asm/assembler.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h index 3128a9ca5701..a4aa22241dd1 100644 --- a/arch/arm64/include/asm/assembler.h +++ b/arch/arm64/include/asm/assembler.h @@ -32,6 +32,23 @@ #include <asm/ptrace.h> #include <asm/thread_info.h> + .macro save_and_disable_daif, flags + mrs \flags, daif + msr daifset, #0xf + .endm + + .macro disable_daif + msr daifset, #0xf + .endm + + .macro enable_daif + msr daifclr, #0xf + .endm + + .macro restore_daif, flags:req + msr daif, \flags + .endm + /* * Enable and disable interrupts. */ |