projects
/
rpikern
/ blob
commit
grep
author
committer
pickaxe
?
search:
re
3feac3de968cbd2fb2c2df680eaf33893079fca0
[rpikern]
/
src
/
startup.s
1
.extern main
2
3
.section .startup
4
.code 32
5
6
startup:
7
@ stop all but one of the cores
8
mrc p15, 0, r0, c0, c0, 5
9
ands r0, r0, #0xff
10
bne exit
11
12
@ setup stack
13
ldr sp, =_stacktop
14
15
@ clear bss
16
ldr r0, =_bss_start
17
ldr r1, =_bss_size
18
cmp r1, #0
19
beq 1f @ 0-sized bss, skip clear
20
mov r2, #0
21
0: str r2, [r0], #4
22
subs r1, #4
23
bne 0b
24
1:
25
blx main
26
27
.global exit
28
exit: wfe
29
b exit
30
31
@ vi:set filetype=armasm: