diff options
Diffstat (limited to 'arch/arm64/include/asm/efi.h')
| -rw-r--r-- | arch/arm64/include/asm/efi.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/efi.h b/arch/arm64/include/asm/efi.h index 7ed320895d1f..c9e9a6978e73 100644 --- a/arch/arm64/include/asm/efi.h +++ b/arch/arm64/include/asm/efi.h @@ -44,6 +44,17 @@ efi_status_t __efi_rt_asm_wrapper(void *, const char *, ...); #define ARCH_EFI_IRQ_FLAGS_MASK (PSR_D_BIT | PSR_A_BIT | PSR_I_BIT | PSR_F_BIT) +/* + * Even when Linux uses IRQ priorities for IRQ disabling, EFI does not. + * And EFI shouldn't really play around with priority masking as it is not aware + * which priorities the OS has assigned to its interrupts. + */ +#define arch_efi_save_flags(state_flags) \ + ((void)((state_flags) = read_sysreg(daif))) + +#define arch_efi_restore_flags(state_flags) write_sysreg(state_flags, daif) + + /* arch specific definitions used by the stub code */ /* |