diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-08-11 11:19:20 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-08-11 11:19:20 +0200 |
commit | 8067794bec1cc5de1431102cf0a6a1c7ce75cd85 (patch) | |
tree | 2bfa0fba060d253bbd972282b29a3d60c3e7cb7f /arch/sh/include/asm/bitops-irq.h | |
parent | 7ab6af7ab69df8c9c5fbc380004fb81187742096 (diff) | |
parent | 796aadeb1b2db9b5d463946766c5bbfd7717158c (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.h | 91 |
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 */ |