From: Shiraz Hashim Date: Thu, 23 Dec 2010 10:32:41 +0000 (+0100) Subject: ARM: 6541/1: move sev definition to common system.h include file X-Git-Tag: accepted/tizen/common/20141203.182822~9283^2~2^2~3 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3d29005ab8d828e36108ecc2338612ce3acdd86f;p=platform%2Fkernel%2Flinux-arm64.git ARM: 6541/1: move sev definition to common system.h include file sev is used to send wakeup event to other cores in ARMv6K and above. This has been moved from platform specific part to standard common ARM header file (asm/system.h). Also introduced wfi() and wfe(). Signed-off-by: Shiraz Hashim Signed-off-by: Russell King --- diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h index 1120f18..9ab8d7e 100644 --- a/arch/arm/include/asm/system.h +++ b/arch/arm/include/asm/system.h @@ -119,6 +119,13 @@ extern unsigned int user_debug; #define vectors_high() (0) #endif +#if __LINUX_ARM_ARCH__ >= 7 || \ + (__LINUX_ARM_ARCH__ == 6 && defined(CONFIG_CPU_32v6K)) +#define sev() __asm__ __volatile__ ("sev" : : : "memory") +#define wfe() __asm__ __volatile__ ("wfe" : : : "memory") +#define wfi() __asm__ __volatile__ ("wfi" : : : "memory") +#endif + #if __LINUX_ARM_ARCH__ >= 7 #define isb() __asm__ __volatile__ ("isb" : : : "memory") #define dsb() __asm__ __volatile__ ("dsb" : : : "memory")