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Diffstat (limited to 'arch/arm64/include/asm/arch_gicv3.h')
-rw-r--r--arch/arm64/include/asm/arch_gicv3.h47
1 files changed, 18 insertions, 29 deletions
diff --git a/arch/arm64/include/asm/arch_gicv3.h b/arch/arm64/include/asm/arch_gicv3.h
index f8ae6d6e4767..85a15b38b6d8 100644
--- a/arch/arm64/include/asm/arch_gicv3.h
+++ b/arch/arm64/include/asm/arch_gicv3.h
@@ -80,18 +80,8 @@
#include <linux/stringify.h>
#include <asm/barrier.h>
-#define read_gicreg(r) \
- ({ \
- u64 reg; \
- asm volatile("mrs_s %0, " __stringify(r) : "=r" (reg)); \
- reg; \
- })
-
-#define write_gicreg(v,r) \
- do { \
- u64 __val = (v); \
- asm volatile("msr_s " __stringify(r) ", %0" : : "r" (__val));\
- } while (0)
+#define read_gicreg read_sysreg_s
+#define write_gicreg write_sysreg_s
/*
* Low-level accessors
@@ -102,13 +92,13 @@
static inline void gic_write_eoir(u32 irq)
{
- asm volatile("msr_s " __stringify(ICC_EOIR1_EL1) ", %0" : : "r" ((u64)irq));
+ write_sysreg_s(irq, ICC_EOIR1_EL1);
isb();
}
static inline void gic_write_dir(u32 irq)
{
- asm volatile("msr_s " __stringify(ICC_DIR_EL1) ", %0" : : "r" ((u64)irq));
+ write_sysreg_s(irq, ICC_DIR_EL1);
isb();
}
@@ -116,7 +106,7 @@ static inline u64 gic_read_iar_common(void)
{
u64 irqstat;
- asm volatile("mrs_s %0, " __stringify(ICC_IAR1_EL1) : "=r" (irqstat));
+ irqstat = read_sysreg_s(ICC_IAR1_EL1);
dsb(sy);
return irqstat;
}
@@ -134,10 +124,12 @@ static inline u64 gic_read_iar_cavium_thunderx(void)
asm volatile(
"nop;nop;nop;nop\n\t"
- "nop;nop;nop;nop\n\t"
- "mrs_s %0, " __stringify(ICC_IAR1_EL1) "\n\t"
- "nop;nop;nop;nop"
- : "=r" (irqstat));
+ "nop;nop;nop;nop");
+
+ irqstat = read_sysreg_s(ICC_IAR1_EL1);
+
+ asm volatile(
+ "nop;nop;nop;nop");
mb();
return irqstat;
@@ -145,43 +137,40 @@ static inline u64 gic_read_iar_cavium_thunderx(void)
static inline void gic_write_pmr(u32 val)
{
- asm volatile("msr_s " __stringify(ICC_PMR_EL1) ", %0" : : "r" ((u64)val));
+ write_sysreg_s(val, ICC_PMR_EL1);
}
static inline void gic_write_ctlr(u32 val)
{
- asm volatile("msr_s " __stringify(ICC_CTLR_EL1) ", %0" : : "r" ((u64)val));
+ write_sysreg_s(val, ICC_CTLR_EL1);
isb();
}
static inline void gic_write_grpen1(u32 val)
{
- asm volatile("msr_s " __stringify(ICC_GRPEN1_EL1) ", %0" : : "r" ((u64)val));
+ write_sysreg_s(val, ICC_GRPEN1_EL1);
isb();
}
static inline void gic_write_sgi1r(u64 val)
{
- asm volatile("msr_s " __stringify(ICC_SGI1R_EL1) ", %0" : : "r" (val));
+ write_sysreg_s(val, ICC_SGI1R_EL1);
}
static inline u32 gic_read_sre(void)
{
- u64 val;
-
- asm volatile("mrs_s %0, " __stringify(ICC_SRE_EL1) : "=r" (val));
- return val;
+ return read_sysreg_s(ICC_SRE_EL1);
}
static inline void gic_write_sre(u32 val)
{
- asm volatile("msr_s " __stringify(ICC_SRE_EL1) ", %0" : : "r" ((u64)val));
+ write_sysreg_s(val, ICC_SRE_EL1);
isb();
}
static inline void gic_write_bpr1(u32 val)
{
- asm volatile("msr_s " __stringify(ICC_BPR1_EL1) ", %0" : : "r" (val));
+ write_sysreg_s(val, ICC_BPR1_EL1);
}
#define gic_read_typer(c) readq_relaxed(c)