Merge tag 'cris-for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/jesper...

[cascardo/linux.git] / arch / arm64 / include / asm / arch_gicv3.h

diff --git a/arch/arm64/include/asm/arch_gicv3.h b/arch/arm64/include/asm/arch_gicv3.h
index fc2a0cb..f8ae6d6 100644 (file)
--- a/arch/arm64/include/asm/arch_gicv3.h
+++ b/arch/arm64/include/asm/arch_gicv3.h
@@ -80,6 +80,19 @@
 #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)
+
 /*
  * Low-level accessors
  *