50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
/*
|
|
* (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-copy.c -c
|
|
|
|
arm-none-linux-gnueabi-objcopy -O binary fel-copy.o fel-copy.bin
|
|
|
|
Parameters:
|
|
0x2100 Destination address
|
|
0x2104 Source address
|
|
0x2108 Length
|
|
|
|
Source address is updated, allowing repeated copy to same destination
|
|
*/
|
|
|
|
#define CONFIG_BASE 0x2100
|
|
|
|
void copy(void)
|
|
{
|
|
unsigned long *b = (void *)CONFIG_BASE;
|
|
unsigned long **ptr = (void *)b++;
|
|
unsigned long *a = *ptr;
|
|
unsigned long i = *b++;
|
|
while (i--) {
|
|
*b++ = *a++;
|
|
}
|
|
*ptr = a;
|
|
}
|
|
|