patch-2.4.6 linux/include/asm-arm/bitops.h

• Lines: 63
• Date: Wed Jun 27 14:12:04 2001
• Orig file: v2.4.5/linux/include/asm-arm/bitops.h
• Orig date: Mon Nov 27 17:07:59 2000

diff -u --recursive --new-file v2.4.5/linux/include/asm-arm/bitops.h linux/include/asm-arm/bitops.h
@@ -24,12 +24,62 @@
  * Function prototypes to keep gcc -Wall happy.
  */
 extern void set_bit(int nr, volatile void * addr);
+
+static inline void __set_bit(int nr, volatile void *addr)
+{
+	((unsigned char *) addr)[nr >> 3] |= (1U << (nr & 7));
+}
+
 extern void clear_bit(int nr, volatile void * addr);
+
+static inline void __clear_bit(int nr, volatile void *addr)
+{
+	((unsigned char *) addr)[nr >> 3] &= ~(1U << (nr & 7));
+}
+
 extern void change_bit(int nr, volatile void * addr);
 
+static inline void __change_bit(int nr, volatile void *addr)
+{
+	((unsigned char *) addr)[nr >> 3] ^= (1U << (nr & 7));
+}
+
 extern int test_and_set_bit(int nr, volatile void * addr);
+
+static inline int __test_and_set_bit(int nr, volatile void *addr)
+{
+	unsigned int mask = 1 << (nr & 7);
+	unsigned int oldval;
+
+	oldval = ((unsigned char *) addr)[nr >> 3];
+	((unsigned char *) addr)[nr >> 3] = oldval | mask;
+	return oldval & mask;
+}
+
 extern int test_and_clear_bit(int nr, volatile void * addr);
+
+static inline int __test_and_clear_bit(int nr, volatile void *addr)
+{
+	unsigned int mask = 1 << (nr & 7);
+	unsigned int oldval;
+
+	oldval = ((unsigned char *) addr)[nr >> 3];
+	((unsigned char *) addr)[nr >> 3] = oldval & ~mask;
+	return oldval & mask;
+}
+
 extern int test_and_change_bit(int nr, volatile void * addr);
+
+static inline int __test_and_change_bit(int nr, volatile void *addr)
+{
+	unsigned int mask = 1 << (nr & 7);
+	unsigned int oldval;
+
+	oldval = ((unsigned char *) addr)[nr >> 3];
+	((unsigned char *) addr)[nr >> 3] = oldval ^ mask;
+	return oldval & mask;
+}
+
 extern int find_first_zero_bit(void * addr, unsigned size);
 extern int find_next_zero_bit(void * addr, int size, int offset);