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authorIngo Molnar <mingo@elte.hu>2008-08-11 11:19:20 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-11 11:19:20 +0200
commit8067794bec1cc5de1431102cf0a6a1c7ce75cd85 (patch)
tree2bfa0fba060d253bbd972282b29a3d60c3e7cb7f /arch/sh/include/asm/bitops-irq.h
parent7ab6af7ab69df8c9c5fbc380004fb81187742096 (diff)
parent796aadeb1b2db9b5d463946766c5bbfd7717158c (diff)
Merge branch 'linus' into x86/x2apic
Conflicts: arch/x86/kernel/genapic_64.c Manual merge: arch/x86/kernel/genx2apic_uv_x.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 */