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| author | Ian Campbell <ian.campbell@citrix.com> | 2013-02-22 08:57:53 +0000 |
|---|---|---|
| committer | Ian Campbell <ian.campbell@citrix.com> | 2013-02-22 12:14:52 +0000 |
| commit | 058324a8b3a5e607e0712651ca817ea44dd37125 (patch) | |
| tree | c71d1bdb5b0e19518ca9c0a63297da2c1ac95a1a /xen/include/asm-arm/arm32 | |
| parent | 6f0fef84dab8be6ae16976118b670718a820f565 (diff) | |
| download | xen-058324a8b3a5e607e0712651ca817ea44dd37125.tar.gz xen-058324a8b3a5e607e0712651ca817ea44dd37125.tar.bz2 xen-058324a8b3a5e607e0712651ca817ea44dd37125.zip | |
xen: arm64: barriers and wait for interrupts/events
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Tim Deegan <tim@xen.org>
Diffstat (limited to 'xen/include/asm-arm/arm32')
| -rw-r--r-- | xen/include/asm-arm/arm32/system.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/xen/include/asm-arm/arm32/system.h b/xen/include/asm-arm/arm32/system.h new file mode 100644 index 0000000000..13800844b2 --- /dev/null +++ b/xen/include/asm-arm/arm32/system.h @@ -0,0 +1,29 @@ +/* Portions taken from Linux arch arm */ +#ifndef __ASM_ARM32_SYSTEM_H +#define __ASM_ARM32_SYSTEM_H + +#define sev() __asm__ __volatile__ ("sev" : : : "memory") +#define wfe() __asm__ __volatile__ ("wfe" : : : "memory") +#define wfi() __asm__ __volatile__ ("wfi" : : : "memory") + +#define isb() __asm__ __volatile__ ("isb" : : : "memory") +#define dsb() __asm__ __volatile__ ("dsb" : : : "memory") +#define dmb() __asm__ __volatile__ ("dmb" : : : "memory") + +#define mb() dsb() +#define rmb() dsb() +#define wmb() mb() + +#define smp_mb() mb() +#define smp_rmb() rmb() +#define smp_wmb() wmb() + +#endif +/* + * Local variables: + * mode: C + * c-set-style: "BSD" + * c-basic-offset: 4 + * indent-tabs-mode: nil + * End: + */ |