diff options
Diffstat (limited to 'arch/arm64/include/asm/arch_gicv3.h')
| -rw-r--r-- | arch/arm64/include/asm/arch_gicv3.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/arch_gicv3.h b/arch/arm64/include/asm/arch_gicv3.h index e278f94df0c9..14b41ddc68ba 100644 --- a/arch/arm64/include/asm/arch_gicv3.h +++ b/arch/arm64/include/asm/arch_gicv3.h @@ -22,6 +22,7 @@ #ifndef __ASSEMBLY__ +#include <linux/irqchip/arm-gic-common.h> #include <linux/stringify.h> #include <asm/barrier.h> #include <asm/cacheflush.h> @@ -114,6 +115,21 @@ static inline void gic_write_bpr1(u32 val) write_sysreg_s(val, SYS_ICC_BPR1_EL1); } +static inline u32 gic_read_pmr(void) +{ + return read_sysreg_s(SYS_ICC_PMR_EL1); +} + +static inline void gic_write_pmr(u32 val) +{ + write_sysreg_s(val, SYS_ICC_PMR_EL1); +} + +static inline u32 gic_read_rpr(void) +{ + return read_sysreg_s(SYS_ICC_RPR_EL1); +} + #define gic_read_typer(c) readq_relaxed(c) #define gic_write_irouter(v, c) writeq_relaxed(v, c) #define gic_read_lpir(c) readq_relaxed(c) @@ -140,5 +156,21 @@ static inline void gic_write_bpr1(u32 val) #define gits_write_vpendbaser(v, c) writeq_relaxed(v, c) #define gits_read_vpendbaser(c) readq_relaxed(c) +static inline bool gic_prio_masking_enabled(void) +{ + return system_uses_irq_prio_masking(); +} + +static inline void gic_pmr_mask_irqs(void) +{ + BUILD_BUG_ON(GICD_INT_DEF_PRI <= GIC_PRIO_IRQOFF); + gic_write_pmr(GIC_PRIO_IRQOFF); +} + +static inline void gic_arch_enable_irqs(void) +{ + asm volatile ("msr daifclr, #2" : : : "memory"); +} + #endif /* __ASSEMBLY__ */ #endif /* __ASM_ARCH_GICV3_H */ |