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authorLinus Torvalds <torvalds@linux-foundation.org>2008-12-28 16:54:33 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2008-12-28 16:54:33 -0800
commit3c92ec8ae91ecf59d88c798301833d7cf83f2179 (patch)
tree08a38cd3523c42bd49882f17cd501fd879e7ca1c /arch/powerpc/include/asm/byteorder.h
parentc4c9f0183b7c4e97836e8fecbb67898b06c47e78 (diff)
parentca9153a3a2a7556d091dfe080e42b0e67881fff6 (diff)
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.h38
1 files changed, 21 insertions, 17 deletions
diff --git a/arch/powerpc/include/asm/byteorder.h b/arch/powerpc/include/asm/byteorder.h
index b37752214a1..d5de325472e 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 */