#include <asm.h>
#include <sys/regdef.h>

/*
** Delay 
*/
LEAF(osDelay)
        sll     t0,a0,2         /* t0 = a0*4 */
        addu    t0,a0           /* t0 = a0*5 */
        sll     t0,t0,2         /* t0 = a0*20 */
        beqz    a0,2f

        /* 5 cycle spin loop */
        .set    noreorder
1:      subu    t0,1
        nop;nop
        bnez    t0,1b
         nop
        .set    reorder
2:
        j       ra
        END(osDelay)