blob: 718b433ecf8866f9c6164797494fd30222b368cc (
plain) (
blame)
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
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
/*
* This is where the real hardware setup is done. A minimal stack
* has been provided by the start.S code. No normal C or RTEMS
* functions can be called from here.
*/
#include <stdint.h>
extern void _wr_vbr(uint32_t);
extern void init_main(void);
extern int boot_card(const char *);
/*
* From linkcmds
*/
extern uint8_t _VBR[];
extern uint8_t _INTERRUPT_VECTOR[];
extern uint8_t _clear_start[];
extern uint8_t _clear_end[];
extern uint8_t _data_src_start[];
extern uint8_t _data_dest_start[];
extern uint8_t _data_dest_end[];
void Init5329(void)
{
register uint32_t i;
register uint8_t *dbp, *sbp;
register uint32_t *dp, *sp;
/*
* Initialize the hardware
*/
init_main();
/*
* Copy the vector table to RAM
*/
if (_VBR != _INTERRUPT_VECTOR) {
sp = (uint32_t *) _INTERRUPT_VECTOR;
dp = (uint32_t *) _VBR;
for (i = 0; i < 256; i++) {
*dp++ = *sp++;
}
}
_wr_vbr((uint32_t) _VBR);
/*
* Move initialized data from ROM to RAM.
*/
if (_data_src_start != _data_dest_start) {
dbp = (uint8_t *) _data_dest_start;
sbp = (uint8_t *) _data_src_start;
i = _data_dest_end - _data_dest_start;
while (i--)
*dbp++ = *sbp++;
}
/*
* Zero uninitialized data
*/
if (_clear_start != _clear_end) {
sbp = _clear_start;
dbp = _clear_end;
i = dbp - sbp;
while (i--)
*sbp++ = 0;
}
/*
* We have to call some kind of RTEMS function here!
*/
boot_card(0);
for (;;) ;
}
|
