mirror of
https://github.com/vivier/EMILE.git
synced 2024-11-14 22:04:43 +00:00
57 lines
781 B
ArmAsm
57 lines
781 B
ArmAsm
/*
|
|
*
|
|
* (c) 2004 Laurent Vivier <LaurentVivier@wanadoo.fr>
|
|
*
|
|
*/
|
|
.chip 68000
|
|
|
|
.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
|
|
|
|
/* destination addresse */
|
|
|
|
move.l 16(%fp), %a2
|
|
|
|
/* entry point */
|
|
|
|
move.l 20(%fp), %a3
|
|
|
|
/* bootenv address (EXPERIMENTAL) */
|
|
|
|
move.l %a2, %a1
|
|
add.l %d0, %a1
|
|
sub.l #4096, %a1
|
|
move.l #0x80000000, %d4
|
|
|
|
/* copy kernel to destination address */
|
|
|
|
copymem %a0, %a2, %d0
|
|
|
|
/* jump into kernel */
|
|
|
|
jmp %a3@
|
|
|
|
/* never comes here... I hope */
|
|
|
|
unlk %fp
|
|
rts
|
|
.global end_enter_kernelnoMMU
|
|
end_enter_kernelnoMMU:
|
|
|
|
.global noMMU_disable_cache
|
|
noMMU_disable_cache:
|
|
rts
|