1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
#include <rtems/score/cpu.h>
#include <rtems/powerpc/powerpc.h>
#include <bspopts.h>
.global bsp_interrupt_stack_start
.global bsp_interrupt_stack_end
.global _start
.section .bsp_start_text,"awx",@progbits
_start:
lis %r1,bsp_interrupt_stack_start@h
ori %r1,%r1,bsp_interrupt_stack_start@l
/* Make sure stack is properly aligned */
li %r3, CPU_STACK_ALIGNMENT - 1
andc %r1, %r1, %r3
/* NULL ptr to back chain */
li %r3, 0
stw %r3, 0(%r1)
li %r3,8192
mtmsr %r3
/* Read-only small data */
lis %r2, _SDA2_BASE_@h
ori %r2, %r2,_SDA2_BASE_@l
/* Read-write small data */
lis %r13, _SDA_BASE_@h
ori %r13, %r13,_SDA_BASE_@l
bl cmain
.size _start, . - _start
.global __eabi
__eabi:
blr
.size __eabi, . - __eabi
.section ".reset","ax"
_reset:
b _start
.size _reset, . - _reset
/* Start stack area */
.section ".bsp_rwextra", "aw", @nobits
.align 4
.space 4096
bsp_interrupt_stack_start:
.space 32768
bsp_interrupt_stack_end:
|
