blob: 2bea032601cd46c3aefc39c53cda9875ed8706f6 (
plain)
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
|
/*
* (C) Copyright 2011 Henrik Nordstrom <henrik@henriknordstrom.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
/*
Build instructions:
arm-none-linux-gnueabi-gcc -g -Os -fno-common -ffixed-r8 -msoft-float -fno-builtin -ffreestanding -nostdinc -mno-thumb-interwork -Wall -Wstrict-prototypes -fno-stack-protector -Wno-format-nonliteral -Wno-format-security -fno-toplevel-reorder fel-pio.c -c
arm-none-linux-gnueabi-objcopy -O binary fel-pio.o fel-pio.bin
arm-none-linux-gnueabi-nm fel-pio.o
*/
void pio_to_sram(void)
{
unsigned long *a = (void *)0x1c20800;
unsigned long *b = (void *)0x3000;
int i = 0x228 >> 2;
while (i--) {
*b++ = *a++;
}
}
void sram_to_pio(void)
{
unsigned long *a = (void *)0x1c20800;
unsigned long *b = (void *)0x3000;
int i = 0x228 >> 2;
while (i--) {
*a++ = *b++;
}
}
|