diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-25 03:53:42 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-25 03:53:42 -0300 |
| commit | 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 (patch) | |
| tree | fa581f6dc1c0596391690d1f67eceef3af8246dc /arch/powerpc/include/asm/io.h | |
| parent | d4e493caf788ef44982e131ff9c786546904d934 (diff) | |
Linux-libre 4.5-gnu
Diffstat (limited to 'arch/powerpc/include/asm/io.h')
| -rw-r--r-- | arch/powerpc/include/asm/io.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h index 5879fde56..6c1297ec3 100644 --- a/arch/powerpc/include/asm/io.h +++ b/arch/powerpc/include/asm/io.h @@ -385,6 +385,17 @@ static inline void __raw_writeq(unsigned long v, volatile void __iomem *addr) { *(volatile unsigned long __force *)PCI_FIX_ADDR(addr) = v; } + +/* + * Real mode version of the above. stdcix is only supposed to be used + * in hypervisor real mode as per the architecture spec. + */ +static inline void __raw_rm_writeq(u64 val, volatile void __iomem *paddr) +{ + __asm__ __volatile__("stdcix %0,0,%1" + : : "r" (val), "r" (paddr) : "memory"); +} + #endif /* __powerpc64__ */ /* |