0402c91af9
modified: arch/score/include/asm/cacheflush.h modified: arch/score/include/asm/delay.h modified: arch/score/include/asm/errno.h modified: arch/score/include/asm/pgtable-bits.h modified: arch/score/include/asm/pgtable.h modified: arch/score/include/asm/ptrace.h modified: arch/score/include/asm/unistd.h modified: arch/score/kernel/entry.S modified: arch/score/kernel/process.c modified: arch/score/kernel/ptrace.c modified: arch/score/kernel/signal.c modified: arch/score/kernel/sys_score.c modified: arch/score/kernel/traps.c modified: arch/score/mm/cache.c Signed-off-by: Chen Liqin <liqin.chen@sunplusct.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
26 lines
496 B
C
26 lines
496 B
C
#ifndef _ASM_SCORE_DELAY_H
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#define _ASM_SCORE_DELAY_H
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static inline void __delay(unsigned long loops)
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{
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/* 3 cycles per loop. */
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__asm__ __volatile__ (
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"1:\tsubi\t%0, 3\n\t"
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"cmpz.c\t%0\n\t"
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"ble\t1b\n\t"
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: "=r" (loops)
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: "0" (loops));
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}
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static inline void __udelay(unsigned long usecs)
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{
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unsigned long loops_per_usec;
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loops_per_usec = (loops_per_jiffy * HZ) / 1000000;
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__delay(usecs * loops_per_usec);
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}
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#define udelay(usecs) __udelay(usecs)
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#endif /* _ASM_SCORE_DELAY_H */
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