EMILE/second/enter_kernelnoMMU.S

55 lines
767 B
ArmAsm
Raw Normal View History

2005-05-16 21:29:58 +00:00
/*
*
2007-01-01 18:51:03 +00:00
* (c) 2004-2007 Laurent Vivier <Laurent@lvivier.info>
2005-05-16 21:29:58 +00:00
*
*/
.include "copymem.i"
.align 4
.global enter_kernelnoMMU
enter_kernelnoMMU:
link.w %fp,#0
/* get physical start address of kernel */
move.l 8(%fp), %a0
/* size of image to relocate */
move.l 12(%fp), %d0
2007-01-01 18:51:03 +00:00
/* destination address */
2005-05-16 21:29:58 +00:00
move.l 16(%fp), %a2
/* entry point */
2005-09-19 22:15:34 +00:00
move.l 20(%fp), %a3
/* bootenv address (EXPERIMENTAL) */
move.l %a2, %a1
add.l %d0, %a1
sub.l #4096, %a1
2005-09-21 23:23:18 +00:00
move.l #0x80000000, %d4
2005-05-16 21:29:58 +00:00
/* copy kernel to destination address */
copymem %a0, %a2, %d0
/* jump into kernel */
2005-09-19 22:15:34 +00:00
jmp %a3@
2005-05-16 21:29:58 +00:00
/* never comes here... I hope */
unlk %fp
rts
.global end_enter_kernelnoMMU
end_enter_kernelnoMMU:
.global noMMU_disable_cache
noMMU_disable_cache:
rts