diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2017-12-30 08:39:50 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2017-12-30 08:39:50 +0000 |
| commit | 1c20740f723c599a506601f996c6b174204a3f77 (patch) | |
| tree | ad60770c24a674415bddcd772b18f8ef81f35caa | |
| parent | 4e0d874b11e5145cb5d7b9def67fccad9fdc8b13 (diff) | |
Implement CPU_BUSY_CYCLE and intr_disable/restore.
ok patrick@, tom@
| -rw-r--r-- | sys/arch/arm64/include/cpu.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/sys/arch/arm64/include/cpu.h b/sys/arch/arm64/include/cpu.h index 2497cb33ccf..5378ce068cd 100644 --- a/sys/arch/arm64/include/cpu.h +++ b/sys/arch/arm64/include/cpu.h @@ -1,4 +1,4 @@ -/* $OpenBSD: cpu.h,v 1.1 2016/12/17 23:38:33 patrick Exp $ */ +/* $OpenBSD: cpu.h,v 1.2 2017/12/30 08:39:49 kettenis Exp $ */ /* * Copyright (c) 2016 Dale Rahn <drahn@dalerahn.com> * @@ -144,6 +144,7 @@ extern struct cpu_info *cpu_info[MAXCPUS]; void cpu_boot_secondary_processors(void); #endif /* !MULTIPROCESSOR */ +#define CPU_BUSY_CYCLE() __asm volatile("yield" : : : "memory") #define curpcb curcpu()->ci_curpcb @@ -248,6 +249,18 @@ disable_irq_daif_ret() #define restore_interrupts(old_daif) \ restore_daif(old_daif) +static inline u_long +intr_disable(void) +{ + return disable_irq_daif_ret(); +} + +static inline void +intr_restore(u_long daif) +{ + restore_daif(daif); +} + void delay (unsigned); #define DELAY(x) delay(x) |