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- #ifndef _ARM_BITS_H
- #define _ARM_BITS_H
- /* The classic macro */
- #define BV(x) (1<<(x))
- /* CM3 bit-band access macro - no error checks! */
- #define BITBAND(addr,bit) \
- (*((volatile unsigned long *)( \
- ((unsigned long)&(addr) & 0x01ffffff)*32 + \
- (bit)*4 + 0x02000000 + ((unsigned long)&(addr) & 0xfe000000) \
- )))
- #define BITBAND_OFF(addr,offset,bit) \
- (*((volatile unsigned long *)( \
- (((unsigned long)&(addr) + offset) & 0x01ffffff)*32 + \
- (bit)*4 + 0x02000000 + (((unsigned long)&(addr) + offset) & 0xfe000000) \
- )))
- #endif
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