---

yaml --- r: 12286 b: refs/heads/master c: a0e60b2 h: refs/heads/master v: v3
git-mirror · Nov 1, 2005 · 435dbb9 · 435dbb9
1 parent 9e7f6eb
commit 435dbb9
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Showing 11 changed files with 496 additions and 1,024 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 031ef0a72aa8f7ee63ae9f307c1bcff92b3ccc2c
+refs/heads/master: a0e60b2033b30a6bb8479629001cf98e58e4079a
diff --git a/trunk/arch/powerpc/kernel/ppc_ksyms.c b/trunk/arch/powerpc/kernel/ppc_ksyms.c
@@ -81,15 +81,6 @@ EXPORT_SYMBOL(_prep_type);
 EXPORT_SYMBOL(ucSystemType);
 #endif
 
-#if !defined(__INLINE_BITOPS)
-EXPORT_SYMBOL(set_bit);
-EXPORT_SYMBOL(clear_bit);
-EXPORT_SYMBOL(change_bit);
-EXPORT_SYMBOL(test_and_set_bit);
-EXPORT_SYMBOL(test_and_clear_bit);
-EXPORT_SYMBOL(test_and_change_bit);
-#endif /* __INLINE_BITOPS */
-
 EXPORT_SYMBOL(strcpy);
 EXPORT_SYMBOL(strncpy);
 EXPORT_SYMBOL(strcat);

diff --git a/trunk/arch/powerpc/lib/Makefile b/trunk/arch/powerpc/lib/Makefile
@@ -3,13 +3,14 @@
 #
 
 ifeq ($(CONFIG_PPC_MERGE),y)
-obj-y			:= string.o
+obj-y			:= string.o strcase.o
+obj-$(CONFIG_PPC32)	+= div64.o copy_32.o checksum_32.o
 endif
 
-obj-y			+= strcase.o
-obj-$(CONFIG_PPC32)	+= div64.o copy_32.o checksum_32.o
+obj-y			+= bitops.o
 obj-$(CONFIG_PPC64)	+= checksum_64.o copypage_64.o copyuser_64.o \
-			   memcpy_64.o usercopy_64.o mem_64.o string.o
+			   memcpy_64.o usercopy_64.o mem_64.o string.o \
+			   strcase.o
 obj-$(CONFIG_PPC_ISERIES) += e2a.o
 obj-$(CONFIG_XMON)	+= sstep.o
 

diff --git a/trunk/arch/ppc64/kernel/bitops.c → trunk/arch/powerpc/lib/bitops.c b/trunk/arch/ppc64/kernel/bitops.c → trunk/arch/powerpc/lib/bitops.c
@@ -1,93 +1,97 @@
-/*
- * These are too big to be inlined.
- */
-
-#include <linux/kernel.h>
+#include <linux/types.h>
 #include <linux/module.h>
-#include <linux/bitops.h>
 #include <asm/byteorder.h>
+#include <asm/bitops.h>
 
-unsigned long find_next_zero_bit(const unsigned long *addr, unsigned long size,
-				 unsigned long offset)
+/**
+ * find_next_bit - find the next set bit in a memory region
+ * @addr: The address to base the search on
+ * @offset: The bitnumber to start searching at
+ * @size: The maximum size to search
+ */
+unsigned long find_next_bit(const unsigned long *addr, unsigned long size,
+			    unsigned long offset)
 {
-	const unsigned long *p = addr + (offset >> 6);
-	unsigned long result = offset & ~63UL;
+	const unsigned long *p = addr + BITOP_WORD(offset);
+	unsigned long result = offset & ~(BITS_PER_LONG-1);
 	unsigned long tmp;
 
 	if (offset >= size)
 		return size;
 	size -= result;
-	offset &= 63UL;
+	offset %= BITS_PER_LONG;
 	if (offset) {
 		tmp = *(p++);
-		tmp |= ~0UL >> (64 - offset);
-		if (size < 64)
+		tmp &= (~0UL << offset);
+		if (size < BITS_PER_LONG)
 			goto found_first;
-		if (~tmp)
+		if (tmp)
 			goto found_middle;
-		size -= 64;
-		result += 64;
+		size -= BITS_PER_LONG;
+		result += BITS_PER_LONG;
 	}
-	while (size & ~63UL) {
-		if (~(tmp = *(p++)))
+	while (size & ~(BITS_PER_LONG-1)) {
+		if ((tmp = *(p++)))
 			goto found_middle;
-		result += 64;
-		size -= 64;
+		result += BITS_PER_LONG;
+		size -= BITS_PER_LONG;
 	}
 	if (!size)
 		return result;
 	tmp = *p;
 
 found_first:
-	tmp |= ~0UL << size;
-	if (tmp == ~0UL)	/* Are any bits zero? */
+	tmp &= (~0UL >> (64 - size));
+	if (tmp == 0UL)		/* Are any bits set? */
 		return result + size;	/* Nope. */
 found_middle:
-	return result + ffz(tmp);
+	return result + __ffs(tmp);
 }
+EXPORT_SYMBOL(find_next_bit);
 
-EXPORT_SYMBOL(find_next_zero_bit);
-
-unsigned long find_next_bit(const unsigned long *addr, unsigned long size,
-			    unsigned long offset)
+/*
+ * This implementation of find_{first,next}_zero_bit was stolen from
+ * Linus' asm-alpha/bitops.h.
+ */
+unsigned long find_next_zero_bit(const unsigned long *addr, unsigned long size,
+				 unsigned long offset)
 {
-	const unsigned long *p = addr + (offset >> 6);
-	unsigned long result = offset & ~63UL;
+	const unsigned long *p = addr + BITOP_WORD(offset);
+	unsigned long result = offset & ~(BITS_PER_LONG-1);
 	unsigned long tmp;
 
 	if (offset >= size)
 		return size;
 	size -= result;
-	offset &= 63UL;
+	offset %= BITS_PER_LONG;
 	if (offset) {
 		tmp = *(p++);
-		tmp &= (~0UL << offset);
-		if (size < 64)
+		tmp |= ~0UL >> (BITS_PER_LONG - offset);
+		if (size < BITS_PER_LONG)
 			goto found_first;
-		if (tmp)
+		if (~tmp)
 			goto found_middle;
-		size -= 64;
-		result += 64;
+		size -= BITS_PER_LONG;
+		result += BITS_PER_LONG;
 	}
-	while (size & ~63UL) {
-		if ((tmp = *(p++)))
+	while (size & ~(BITS_PER_LONG-1)) {
+		if (~(tmp = *(p++)))
 			goto found_middle;
-		result += 64;
-		size -= 64;
+		result += BITS_PER_LONG;
+		size -= BITS_PER_LONG;
 	}
 	if (!size)
 		return result;
 	tmp = *p;
 
 found_first:
-	tmp &= (~0UL >> (64 - size));
-	if (tmp == 0UL)		/* Are any bits set? */
+	tmp |= ~0UL << size;
+	if (tmp == ~0UL)	/* Are any bits zero? */
 		return result + size;	/* Nope. */
 found_middle:
-	return result + __ffs(tmp);
+	return result + ffz(tmp);
 }
-
-EXPORT_SYMBOL(find_next_bit);
+EXPORT_SYMBOL(find_next_zero_bit);
 
 static inline unsigned int ext2_ilog2(unsigned int x)
 {
@@ -106,8 +110,8 @@ static inline unsigned int ext2_ffz(unsigned int x)
 	return rc;
 }
 
-unsigned long find_next_zero_le_bit(const unsigned long *addr, unsigned long size,
-				    unsigned long offset)
+unsigned long find_next_zero_le_bit(const unsigned long *addr,
+				    unsigned long size, unsigned long offset)
 {
 	const unsigned int *p = ((const unsigned int *)addr) + (offset >> 5);
 	unsigned int result = offset & ~31;
@@ -143,5 +147,4 @@ unsigned long find_next_zero_le_bit(const unsigned long *addr, unsigned long siz
 found_middle:
 	return result + ext2_ffz(tmp);
 }
-
 EXPORT_SYMBOL(find_next_zero_le_bit);
diff --git a/trunk/arch/ppc/Makefile b/trunk/arch/ppc/Makefile
@@ -66,7 +66,8 @@ head-$(CONFIG_PPC_FPU)		+= arch/powerpc/kernel/fpu.o
 core-y				+= arch/ppc/kernel/ arch/powerpc/kernel/ \
 				   arch/ppc/platforms/ \
 				   arch/ppc/mm/ arch/ppc/lib/ \
-				   arch/ppc/syslib/ arch/powerpc/sysdev/
+				   arch/ppc/syslib/ arch/powerpc/sysdev/ \
+				   arch/powerpc/lib/
 core-$(CONFIG_4xx)		+= arch/ppc/platforms/4xx/
 core-$(CONFIG_83xx)		+= arch/ppc/platforms/83xx/
 core-$(CONFIG_85xx)		+= arch/ppc/platforms/85xx/

diff --git a/trunk/arch/ppc/kernel/bitops.c b/trunk/arch/ppc/kernel/bitops.c
diff --git a/trunk/arch/ppc64/kernel/Makefile b/trunk/arch/ppc64/kernel/Makefile
@@ -13,7 +13,7 @@ endif
 
 obj-y               +=	irq.o idle.o dma.o \
 			signal.o \
-			align.o bitops.o pacaData.o \
+			align.o pacaData.o \
 			udbg.o ioctl32.o \
 			rtc.o \
 			cpu_setup_power4.o \