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@ vim:filetype=armasm
#include <sys/syscall.h>
.global sys_cacheflush @ void *start_addr, void *end_addr
sys_cacheflush:
mov r2, #0
#ifdef __ARM_EABI__
/* EABI version */
str r7, [sp, #-4]!
mov r7, #(__ARM_NR_cacheflush & 0xff)
orr r7, r7, #(__ARM_NR_cacheflush & 0x00ff00)
orr r7, r7, #(__ARM_NR_cacheflush & 0xff0000)
swi 0
ldr r7, [sp], #4
#else
/* OABI */
swi __ARM_NR_cacheflush
#endif
bx lr
.global spend_cycles
spend_cycles:
mov r0,r0,lsr #2
0:subs r0, r0, #1
bne 0b
bx lr
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