usiii/include/bsp.h: Remove rtems_bsp_delay()

This commit is contained in:
Joel Sherrill
2014-03-17 13:23:06 -05:00
parent 64fa6e69d0
commit 8c4821e48c

View File

@@ -46,23 +46,6 @@ rtems_isr_entry set_vector( /* returns old vector */
int type /* RTEMS or RAW intr */
);
/*
* Simple spin delay in microsecond units for device drivers.
* This is very dependent on the clock speed of the target.
*/
#define rtems_bsp_delay( microseconds ) \
{ register uint32_t _delay=(microseconds); \
register uint32_t _tmp = 0; /* initialized to avoid warning */ \
__asm__ volatile( "0: \
remo 3,31,%0 ; \
cmpo 0,%0 ; \
subo 1,%1,%1 ; \
cmpobne.t 0,%1,0b " \
: "=d" (_tmp), "=d" (_delay) \
: "0" (_tmp), "1" (_delay) ); \
}
#ifdef __cplusplus
}
#endif