mirror of
https://github.com/sheumann/hush.git
synced 2024-06-25 11:29:31 +00:00
- make it compile and shrink it a little bit (~-110 bytes)
text data bss dec hex filename 1533 4 0 1537 601 miscutils/flash_eraseall.o.old 1415 4 0 1419 58b miscutils/flash_eraseall.o - add some FIXMEs
This commit is contained in:
Bernhard Reutner-Fischer
parent
0d22d1755c
commit
7d9d251543
|
|
@ -1,35 +1,30 @@
|
|||
/* vi: set sw=4 ts=4: */
|
||||
/* eraseall.c -- erase the whole of a MTD device
|
||||
|
||||
Ported to busybox from mtd-utils.
|
||||
|
||||
Copyright (C) 2000 Arcom Control System Ltd
|
||||
|
||||
Renamed to flash_eraseall.c
|
||||
|
||||
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
|
||||
*
|
||||
* Ported to busybox from mtd-utils.
|
||||
*
|
||||
* Copyright (C) 2000 Arcom Control System Ltd
|
||||
*
|
||||
* Renamed to flash_eraseall.c
|
||||
*
|
||||
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
|
||||
*/
|
||||
|
||||
#include "libbb.h"
|
||||
|
||||
#include <mtd/mtd-user.h>
|
||||
#include <mtd/jffs2-user.h>
|
||||
|
||||
#define OPTION_J (1 << 0)
|
||||
#define OPTION_Q (1 << 1)
|
||||
#define _bitNAND (2)
|
||||
#define isNAND (1 << _bitNAND)
|
||||
#define bbtest (1 << 3)
|
||||
|
||||
int target_endian = __BYTE_ORDER;
|
||||
/* This is used in the cpu_to_je/je_to_cpu macros in jffs2_user.h */
|
||||
/* FIXME: target_endian should be const!
|
||||
* FIXME: Also it sounds more sensible to use our own existing SWAP_ macros.
|
||||
*/
|
||||
/* const */ int target_endian = __BYTE_ORDER;
|
||||
|
||||
static uint32_t crc32(uint32_t val, const void *ss, int len,
|
||||
uint32_t *crc32_table)
|
||||
|
|
@ -49,14 +44,13 @@ static void show_progress(mtd_info_t *meminfo, erase_info_t *erase)
|
|||
}
|
||||
|
||||
int flash_eraseall_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
|
||||
int flash_eraseall_main(int argc, char **argv)
|
||||
int flash_eraseall_main(int argc UNUSED_PARAM, char **argv)
|
||||
{
|
||||
struct jffs2_unknown_node cleanmarker;
|
||||
mtd_info_t meminfo;
|
||||
int fd, clmpos = 0, clmlen = 8;
|
||||
erase_info_t erase;
|
||||
struct stat st;
|
||||
int isNAND, bbtest = 1;
|
||||
unsigned int flags;
|
||||
char *mtd_name;
|
||||
|
||||
|
|
@ -73,7 +67,7 @@ int flash_eraseall_main(int argc, char **argv)
|
|||
xioctl(fd, MEMGETINFO, &meminfo);
|
||||
|
||||
erase.length = meminfo.erasesize;
|
||||
isNAND = meminfo.type == MTD_NANDFLASH ? 1 : 0;
|
||||
flags |= bbtest | ((meminfo.type == MTD_NANDFLASH) << _bitNAND);
|
||||
|
||||
if (flags & OPTION_J) {
|
||||
uint32_t *crc32_table;
|
||||
|
|
@ -82,7 +76,7 @@ int flash_eraseall_main(int argc, char **argv)
|
|||
|
||||
cleanmarker.magic = cpu_to_je16 (JFFS2_MAGIC_BITMASK);
|
||||
cleanmarker.nodetype = cpu_to_je16 (JFFS2_NODETYPE_CLEANMARKER);
|
||||
if (!isNAND)
|
||||
if (!(flags & isNAND))
|
||||
cleanmarker.totlen = cpu_to_je32 (sizeof (struct jffs2_unknown_node));
|
||||
else {
|
||||
struct nand_oobinfo oobinfo;
|
||||
|
|
@ -125,10 +119,10 @@ int flash_eraseall_main(int argc, char **argv)
|
|||
|
||||
for (erase.start = 0; erase.start < meminfo.size;
|
||||
erase.start += meminfo.erasesize) {
|
||||
if (bbtest) {
|
||||
if (flags & bbtest) {
|
||||
int ret;
|
||||
|
||||
loff_t offset = erase.start;
|
||||
|
||||
ret = ioctl(fd, MEMGETBADBLOCK, &offset);
|
||||
if (ret > 0) {
|
||||
if (!(flags & OPTION_Q))
|
||||
|
|
@ -139,13 +133,13 @@ int flash_eraseall_main(int argc, char **argv)
|
|||
* types e.g. NOR
|
||||
*/
|
||||
if (errno == EOPNOTSUPP) {
|
||||
bbtest = 0;
|
||||
if (isNAND)
|
||||
flags =~ bbtest;
|
||||
if (flags & isNAND)
|
||||
bb_error_msg_and_die("%s: Bad block check not available",
|
||||
mtd_name);
|
||||
} else {
|
||||
bb_error_msg_and_die("\n%s: MTD get bad block failed: %s",
|
||||
mtd_name, strerror(errno));
|
||||
bb_perror_msg_and_die("\n%s: MTD %s failure",
|
||||
mtd_name, "get bad block ");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -160,19 +154,20 @@ int flash_eraseall_main(int argc, char **argv)
|
|||
continue;
|
||||
|
||||
/* write cleanmarker */
|
||||
if (isNAND) {
|
||||
if (flags & isNAND) {
|
||||
struct mtd_oob_buf oob;
|
||||
|
||||
oob.ptr = (unsigned char *) &cleanmarker;
|
||||
oob.start = erase.start + clmpos;
|
||||
oob.length = clmlen;
|
||||
xioctl (fd, MEMWRITEOOB, &oob);
|
||||
} else {
|
||||
if (lseek (fd, erase.start, SEEK_SET) < 0) {
|
||||
bb_error_msg("\n%s: MTD lseek failure: %s", mtd_name, strerror(errno));
|
||||
bb_perror_msg("\n%s: MTD %s failure", mtd_name, "seek");
|
||||
continue;
|
||||
}
|
||||
if (write (fd , &cleanmarker, sizeof (cleanmarker)) != sizeof (cleanmarker)) {
|
||||
bb_error_msg("\n%s: MTD write failure: %s", mtd_name, strerror(errno));
|
||||
bb_perror_msg("\n%s: MTD %s failure", mtd_name, "write");
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
|
@ -181,8 +176,10 @@ int flash_eraseall_main(int argc, char **argv)
|
|||
}
|
||||
if (!(flags & OPTION_Q)) {
|
||||
show_progress(&meminfo, &erase);
|
||||
printf("\n");
|
||||
bb_putchar('\n');
|
||||
}
|
||||
|
||||
if (ENABLE_FEATURE_CLEAN_UP)
|
||||
close(fd);
|
||||
return EXIT_SUCCESS;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user