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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-28 16:54:33 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-28 16:54:33 -0800 |
commit | 3c92ec8ae91ecf59d88c798301833d7cf83f2179 (patch) | |
tree | 08a38cd3523c42bd49882f17cd501fd879e7ca1c /arch/powerpc/include/asm/byteorder.h | |
parent | c4c9f0183b7c4e97836e8fecbb67898b06c47e78 (diff) | |
parent | ca9153a3a2a7556d091dfe080e42b0e67881fff6 (diff) | |
download | linux-stable-3c92ec8ae91ecf59d88c798301833d7cf83f2179.tar.gz |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (144 commits)
powerpc/44x: Support 16K/64K base page sizes on 44x
powerpc: Force memory size to be a multiple of PAGE_SIZE
powerpc/32: Wire up the trampoline code for kdump
powerpc/32: Add the ability for a classic ppc kernel to be loaded at 32M
powerpc/32: Allow __ioremap on RAM addresses for kdump kernel
powerpc/32: Setup OF properties for kdump
powerpc/32/kdump: Implement crash_setup_regs() using ppc_save_regs()
powerpc: Prepare xmon_save_regs for use with kdump
powerpc: Remove default kexec/crash_kernel ops assignments
powerpc: Make default kexec/crash_kernel ops implicit
powerpc: Setup OF properties for ppc32 kexec
powerpc/pseries: Fix cpu hotplug
powerpc: Fix KVM build on ppc440
powerpc/cell: add QPACE as a separate Cell platform
powerpc/cell: fix build breakage with CONFIG_SPUFS disabled
powerpc/mpc5200: fix error paths in PSC UART probe function
powerpc/mpc5200: add rts/cts handling in PSC UART driver
powerpc/mpc5200: Make PSC UART driver update serial errors counters
powerpc/mpc5200: Remove obsolete code from mpc5200 MDIO driver
powerpc/mpc5200: Add MDMA/UDMA support to MPC5200 ATA driver
...
Fix trivial conflict in drivers/char/Makefile as per Paul's directions
Diffstat (limited to 'arch/powerpc/include/asm/byteorder.h')
-rw-r--r-- | arch/powerpc/include/asm/byteorder.h | 38 |
1 files changed, 21 insertions, 17 deletions
diff --git a/arch/powerpc/include/asm/byteorder.h b/arch/powerpc/include/asm/byteorder.h index b37752214a16..d5de325472e9 100644 --- a/arch/powerpc/include/asm/byteorder.h +++ b/arch/powerpc/include/asm/byteorder.h @@ -11,6 +11,8 @@ #include <asm/types.h> #include <linux/compiler.h> +#define __BIG_ENDIAN + #ifdef __GNUC__ #ifdef __KERNEL__ @@ -21,12 +23,19 @@ static __inline__ __u16 ld_le16(const volatile __u16 *addr) __asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr)); return val; } +#define __arch_swab16p ld_le16 static __inline__ void st_le16(volatile __u16 *addr, const __u16 val) { __asm__ __volatile__ ("sthbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr)); } +static inline void __arch_swab16s(__u16 *addr) +{ + st_le16(addr, *addr); +} +#define __arch_swab16s __arch_swab16s + static __inline__ __u32 ld_le32(const volatile __u32 *addr) { __u32 val; @@ -34,13 +43,20 @@ static __inline__ __u32 ld_le32(const volatile __u32 *addr) __asm__ __volatile__ ("lwbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr)); return val; } +#define __arch_swab32p ld_le32 static __inline__ void st_le32(volatile __u32 *addr, const __u32 val) { __asm__ __volatile__ ("stwbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr)); } -static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 value) +static inline void __arch_swab32s(__u32 *addr) +{ + st_le32(addr, *addr); +} +#define __arch_swab32s __arch_swab32s + +static inline __attribute_const__ __u16 __arch_swab16(__u16 value) { __u16 result; @@ -49,8 +65,9 @@ static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 value) : "r" (value), "0" (value >> 8)); return result; } +#define __arch_swab16 __arch_swab16 -static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 value) +static inline __attribute_const__ __u32 __arch_swab32(__u32 value) { __u32 result; @@ -61,29 +78,16 @@ static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 value) : "r" (value), "0" (value >> 24)); return result; } - -#define __arch__swab16(x) ___arch__swab16(x) -#define __arch__swab32(x) ___arch__swab32(x) - -/* The same, but returns converted value from the location pointer by addr. */ -#define __arch__swab16p(addr) ld_le16(addr) -#define __arch__swab32p(addr) ld_le32(addr) - -/* The same, but do the conversion in situ, ie. put the value back to addr. */ -#define __arch__swab16s(addr) st_le16(addr,*addr) -#define __arch__swab32s(addr) st_le32(addr,*addr) +#define __arch_swab32 __arch_swab32 #endif /* __KERNEL__ */ -#ifndef __STRICT_ANSI__ -#define __BYTEORDER_HAS_U64__ #ifndef __powerpc64__ #define __SWAB_64_THRU_32__ #endif /* __powerpc64__ */ -#endif /* __STRICT_ANSI__ */ #endif /* __GNUC__ */ -#include <linux/byteorder/big_endian.h> +#include <linux/byteorder.h> #endif /* _ASM_POWERPC_BYTEORDER_H */ |