libpicofe/arm_linux.S

26 lines
584 B
ArmAsm

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