openwrt/flashrom
1
0
Fork 0
mirror of https://review.coreboot.org/flashrom.git synced 2025-07-06 00:00:40 +02:00
Code Issues Releases Wiki Activity

Some documentation updates by Uwe and some smaller ones by me

Browse Source 
Corresponding to flashrom svn r59 and coreboot v2 svn r2358.
This commit is contained in:
Stefan Reinauer
2006-08-03 10:49:09 +00:00
parent e807d82e7d
commit f8337dd398
3 changed files with 46 additions and 41 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
flash_rom.c
View File

@ -51,7 +51,7 @@ struct flashchip *probe_flash(struct flashchip *flash)
unsigned long size;
if ((fd_mem = open("/dev/mem", O_RDWR)) < 0) {
perror("Can not open /dev/mem");
perror("Error: Can not open /dev/mem. You need to be root.");
exit(1);
}
@ -73,7 +73,7 @@ struct flashchip *probe_flash(struct flashchip *flash)
bios = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
fd_mem, (off_t) (0xffffffff - size + 1));
if (bios == MAP_FAILED) {
perror("Error MMAP /dev/mem");
perror("Error: Can't mmap /dev/mem.");
exit(1);
}
flash->virt_addr = bios;
@ -90,7 +90,7 @@ struct flashchip *probe_flash(struct flashchip *flash)
bios = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
fd_mem, (off_t) (0x9400000));
if (bios == MAP_FAILED) {
perror("Error MMAP /dev/mem");
perror("Error: Can't mmap /dev/mem.");
exit(1);
}
flash->virt_addr = bios;
@ -145,22 +145,24 @@ int verify_flash(struct flashchip *flash, uint8_t *buf)
void usage(const char *name)
{
printf("usage: %s [-rwvE] [-V] [-c chipname] [-s exclude_start] [-e exclude_end] [file]\n", name);
printf(" -r | --read: read flash and save into file\n"
" -w | --write: write file into flash (default when file is specified)\n"
" -v | --verify: verify flash against file\n"
" -E | --erase: Erase flash device\n"
" -V | --verbose: more verbose output\n\n"
" -c | --chip <chipname>: probe only for specified flash chip\n"
" -s | --estart <addr>: exclude start position\n"
" -e | --eend <addr>: exclude end postion\n"
printf("usage: %s [-rwvEVfh] [-c chipname] [-s exclude_start]\n", name);
printf(" [-e exclude_end] [-m vendor:part] [-l file.layout] [-i imagename] [file]\n");
printf(" -r | --read: read flash and save into file\n"
" -w | --write: write file into flash (default when\n"
" file is specified)\n"
" -v | --verify: verify flash against file\n"
" -E | --erase: erase flash device\n"
" -V | --verbose: more verbose output\n"
" -c | --chip <chipname>: probe only for specified flash chip\n"
" -s | --estart <addr>: exclude start position\n"
" -e | --eend <addr>: exclude end postion\n"
" -m | --mainboard <vendor:part>: override mainboard settings\n"
" -f | --force: force write without checking image\n"
" -l | --layout <file.layout>: read rom layout from file\n"
" -i | --image <name>: only flash image name from flash layout\n"
" -f | --force: force write without checking image\n"
" -l | --layout <file.layout>: read rom layout from file\n"
" -i | --image <name>: only flash image name from flash layout\n"
"\n"
" If no file is specified, then all that happens\n"
" is that flash info is dumped\n\n");
" is that flash info is dumped.\n\n");
exit(1);
}