aboutsummaryrefslogtreecommitdiff
path: root/arch/sh/include/asm/bitops-irq.h
diff options
context:
space:
mode:
authorIngo Molnar <[email protected]>2008-08-14 10:55:26 +0200
committerIngo Molnar <[email protected]>2008-08-14 10:55:26 +0200
commitd4439087d316613548c70472291bf4ca646ce24b (patch)
tree4819f39cbbfcc2ed9c9f85c7a91cbf142f5b02d4 /arch/sh/include/asm/bitops-irq.h
parent26d809af6397ce5c37f5c44d89734d19cce1ad25 (diff)
parent30a2f3c60a84092c8084dfe788b710f8d0768cd4 (diff)
Merge commit 'v2.6.27-rc3' into x86/xsave
Conflicts: arch/x86/kernel/genapic_64.c include/asm-x86/kvm_host.h Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'arch/sh/include/asm/bitops-irq.h')
-rw-r--r--arch/sh/include/asm/bitops-irq.h91
1 files changed, 91 insertions, 0 deletions
diff --git a/arch/sh/include/asm/bitops-irq.h b/arch/sh/include/asm/bitops-irq.h
new file mode 100644
index 000000000000..653a12750584
--- /dev/null
+++ b/arch/sh/include/asm/bitops-irq.h
@@ -0,0 +1,91 @@
+#ifndef __ASM_SH_BITOPS_IRQ_H
+#define __ASM_SH_BITOPS_IRQ_H
+
+static inline void set_bit(int nr, volatile void *addr)
+{
+ int mask;
+ volatile unsigned int *a = addr;
+ unsigned long flags;
+
+ a += nr >> 5;
+ mask = 1 << (nr & 0x1f);
+ local_irq_save(flags);
+ *a |= mask;
+ local_irq_restore(flags);
+}
+
+static inline void clear_bit(int nr, volatile void *addr)
+{
+ int mask;
+ volatile unsigned int *a = addr;
+ unsigned long flags;
+
+ a += nr >> 5;
+ mask = 1 << (nr & 0x1f);
+ local_irq_save(flags);
+ *a &= ~mask;
+ local_irq_restore(flags);
+}
+
+static inline void change_bit(int nr, volatile void *addr)
+{
+ int mask;
+ volatile unsigned int *a = addr;
+ unsigned long flags;
+
+ a += nr >> 5;
+ mask = 1 << (nr & 0x1f);
+ local_irq_save(flags);
+ *a ^= mask;
+ local_irq_restore(flags);
+}
+
+static inline int test_and_set_bit(int nr, volatile void *addr)
+{
+ int mask, retval;
+ volatile unsigned int *a = addr;
+ unsigned long flags;
+
+ a += nr >> 5;
+ mask = 1 << (nr & 0x1f);
+ local_irq_save(flags);
+ retval = (mask & *a) != 0;
+ *a |= mask;
+ local_irq_restore(flags);
+
+ return retval;
+}
+
+static inline int test_and_clear_bit(int nr, volatile void *addr)
+{
+ int mask, retval;
+ volatile unsigned int *a = addr;
+ unsigned long flags;
+
+ a += nr >> 5;
+ mask = 1 << (nr & 0x1f);
+ local_irq_save(flags);
+ retval = (mask & *a) != 0;
+ *a &= ~mask;
+ local_irq_restore(flags);
+
+ return retval;
+}
+
+static inline int test_and_change_bit(int nr, volatile void *addr)
+{
+ int mask, retval;
+ volatile unsigned int *a = addr;
+ unsigned long flags;
+
+ a += nr >> 5;
+ mask = 1 << (nr & 0x1f);
+ local_irq_save(flags);
+ retval = (mask & *a) != 0;
+ *a ^= mask;
+ local_irq_restore(flags);
+
+ return retval;
+}
+
+#endif /* __ASM_SH_BITOPS_IRQ_H */