diff options
Diffstat (limited to 'arch/arm64/include/asm/assembler.h')
| -rw-r--r-- | arch/arm64/include/asm/assembler.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h index f7b6c11cb4c2..a704eaa8bf1d 100644 --- a/arch/arm64/include/asm/assembler.h +++ b/arch/arm64/include/asm/assembler.h @@ -33,6 +33,29 @@ #include <asm/thread_info.h> /* + * Enable and disable pseudo NMI. + */ + .macro disable_nmi +#ifdef CONFIG_USE_ICC_SYSREGS_FOR_IRQFLAGS +alternative_if_not ARM64_HAS_SYSREG_GIC_CPUIF + nop +alternative_else + msr daifset, #2 +alternative_endif +#endif + .endm + + .macro enable_nmi +#ifdef CONFIG_USE_ICC_SYSREGS_FOR_IRQFLAGS +alternative_if_not ARM64_HAS_SYSREG_GIC_CPUIF + nop +alternative_else + msr daifclr, #2 +alternative_endif +#endif + .endm + +/* * Enable and disable interrupts. */ .macro disable_irq, tmp |