diff options
Diffstat (limited to 'arch/arm64/include/asm')
| -rw-r--r-- | arch/arm64/include/asm/assembler.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h index 8bc63fc98752..1886b8b44672 100644 --- a/arch/arm64/include/asm/assembler.h +++ b/arch/arm64/include/asm/assembler.h @@ -49,6 +49,12 @@ msr daif, \flags .endm + /* Only on aarch64 pstate, PSR_D_BIT is different for aarch32 */ + .macro inherit_daif, pstate:req, tmp:req + and \tmp, \pstate, #(PSR_D_BIT | PSR_A_BIT | PSR_I_BIT | PSR_F_BIT) + msr daif, \tmp + .endm + /* * Enable and disable interrupts. */ |