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authorMike Baker <mbm@openwrt.org>2007-05-10 14:37:47 +0000
committerMike Baker <mbm@openwrt.org>2007-05-10 14:37:47 +0000
commit09cdbc40d05014808b9fd32db0f87075e1f7d628 (patch)
tree0d8ea6a346ce1aed9ac866ebb526f81832423ec0 /target/linux/brcm-2.4
parentcb3daaf7727d9164860859ffc5774f6f4aaa8c7c (diff)
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unified preinit environment
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7173 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/brcm-2.4')
-rw-r--r--target/linux/brcm-2.4/base-files.mk3
-rwxr-xr-xtarget/linux/brcm-2.4/base-files/default/bin/firstboot128
-rwxr-xr-xtarget/linux/brcm-2.4/base-files/default/etc/init.d/done15
-rwxr-xr-xtarget/linux/brcm-2.4/base-files/default/etc/preinit.arch (renamed from target/linux/brcm-2.4/base-files/default/etc/preinit)23
-rwxr-xr-xtarget/linux/brcm-2.4/base-files/default/sbin/mount_root29
-rw-r--r--target/linux/brcm-2.4/image/Makefile5
-rw-r--r--target/linux/brcm-2.4/src/jffs2root.c138
7 files changed, 12 insertions, 329 deletions
diff --git a/target/linux/brcm-2.4/base-files.mk b/target/linux/brcm-2.4/base-files.mk
index 9a2e365b67..6191cb2562 100644
--- a/target/linux/brcm-2.4/base-files.mk
+++ b/target/linux/brcm-2.4/base-files.mk
@@ -1,12 +1,9 @@
define Build/Compile
$(call Build/Compile/Default)
- $(TARGET_CC) -I $(PLATFORM_DIR)/src -o $(PKG_BUILD_DIR)/jffs2root $(PLATFORM_DIR)/src/jffs2root.c
endef
define Package/base-files/install-target
rm -f $(1)/etc/config/network
- mkdir -p $(1)/sbin
- $(CP) $(PKG_BUILD_DIR)/jffs2root $(1)/sbin
endef
diff --git a/target/linux/brcm-2.4/base-files/default/bin/firstboot b/target/linux/brcm-2.4/base-files/default/bin/firstboot
deleted file mode 100755
index 5d374371c0..0000000000
--- a/target/linux/brcm-2.4/base-files/default/bin/firstboot
+++ /dev/null
@@ -1,128 +0,0 @@
-#!/bin/sh
-# $Id$
-. /etc/functions.sh
-
-partname="rootfs_data"
-mtdpart="$(find_mtd_part $partname)"
-
-rom=$(awk '/squashfs/ {print $2}' /proc/mounts)
-jffs=$(awk '/jffs2/ {print $2}' /proc/mounts)
-
-dupe() { # <new_root> <old_root>
- cd $1
- echo -n "creating directories... "
- {
- cd $2
- find . -xdev -type d
- echo "./dev ./jffs ./mnt ./proc ./tmp"
- # xdev skips mounted directories
- cd $1
- } | xargs mkdir -p
- echo "done"
-
- echo -n "setting up symlinks... "
- for file in $(cd $2; find . -xdev -type f;); do
- case "$file" in
- ./rom/note) ;; #nothing
- ./etc/config*|\
- ./usr/lib/ipkg/info/*) cp -af $2/$file $file;;
- *) ln -sf /rom/${file#./*} $file;;
- esac
- done
- for file in $(cd $2; find . -xdev -type l;); do
- cp -af $2/${file#./*} $file
- done
- echo "done"
-}
-
-pivot() { # <new_root> <old_root>
- mount -o move /proc $1/proc && \
- pivot_root $1 $1$2 && {
- mount -o move $2/dev /dev
- mount -o move $2/tmp /tmp
- mount -o move $2/jffs /jffs 2>&-
- return 0
- }
-}
-
-fopivot() { # <rw_root> <ro_root> <dupe?>
- root=$1
- {
- mount -t mini_fo -o base=/,sto=$1 $1 /mnt 2>&- && root=/mnt
- } || {
- [ "$3" = "1" ] && {
- mount | grep "on $1 type" 2>&- 1>&- || mount -o bind $1 $1
- dupe $1 $rom
- }
- }
- pivot $root $2
-}
-
-ramoverlay() {
- mkdir -p /tmp/root
- fopivot /tmp/root /rom 1
-}
-
-# invoked as an executable
-[ "${0##*/}" = "firstboot" ] && {
-
- [ -z "$mtdpart" ] && {
- echo "MTD partition not found."
- exit 1
- }
-
- [ -z "$rom" ] && {
- echo "You do not have a squashfs partition; aborting"
- echo "(firstboot cannot be run on jffs2 based firmwares)"
- exit 1
- }
-
- [ "$1" = "switch2jffs" ] && {
- mtd erase "$partname"
-
- # try to avoid fs changing while copying
- mount -o remount,ro none / 2>&-
-
- # copy ramoverlay to jffs2
- mount "$mtdpart" /rom/jffs -t jffs2
- echo -n "copying files ... "
- cp -a /tmp/root/* /rom/jffs 2>&-
- echo "done"
-
- # switch back to squashfs (temporarily)
- # and park the ramdisk ontop of /tmp/root
- pivot /rom /mnt
- mount -o move /mnt /tmp/root
-
- # /jffs is the overlay
- # /rom is the readonly
- fopivot /jffs /rom
-
- # try to get rid of /tmp/root
- # this will almost always fail
- umount /tmp/root 2>&-
-
- # fs is clean
- jffs2root --clean
- exit 0
- }
-
- # script run manually
- [ \! -z "$jffs" ] && {
- echo "firstboot has already been run"
- echo "jffs2 partition is mounted, only resetting files"
- grep mini_fo /proc/filesystems >&-
- [ $? != 0 ] && {
- dupe $jffs $rom
- exit 0
- } || {
- rm -rf $jffs/* 2>&-
- mount -o remount $jffs / 2>&-
- exit 0
- }
- }
-
- mtd erase "$partname"
- mount "$mtdpart" /jffs -t jffs2
- fopivot /jffs /rom 1
-}
diff --git a/target/linux/brcm-2.4/base-files/default/etc/init.d/done b/target/linux/brcm-2.4/base-files/default/etc/init.d/done
deleted file mode 100755
index 0640b61938..0000000000
--- a/target/linux/brcm-2.4/base-files/default/etc/init.d/done
+++ /dev/null
@@ -1,15 +0,0 @@
-#!/bin/sh /etc/rc.common
-# Copyright (C) 2006 OpenWrt.org
-
-START=95
-boot() {
- [ -d /tmp/root ] && {
- lock /tmp/.switch2jffs
- firstboot switch2jffs
- lock -u /tmp/.switch2jffs
- }
-
- # set leds to normal state
- . /etc/diag.sh
- set_state done
-}
diff --git a/target/linux/brcm-2.4/base-files/default/etc/preinit b/target/linux/brcm-2.4/base-files/default/etc/preinit.arch
index 7a61c9412e..d3a0bfc491 100755
--- a/target/linux/brcm-2.4/base-files/default/etc/preinit
+++ b/target/linux/brcm-2.4/base-files/default/etc/preinit.arch
@@ -1,11 +1,12 @@
-#!/bin/sh
-# Copyright (C) 2006 OpenWrt.org
-
. /etc/functions.sh
-. /etc/diag.sh
+
+failsafe_ip() {
+ ifconfig $ifname 192.168.1.1 netmask 255.255.255.0 broadcast 192.168.1.255 up
+}
failsafe() {
lock /tmp/.failsafe
+ failsafe_ip
echo "0 1 2 3 4 5u*" > /proc/switch/eth0/vlan/0/ports
@@ -23,10 +24,8 @@ failsafe() {
ash --login
}
-export PATH=/bin:/sbin:/usr/bin:/usr/sbin
mount none /proc -t proc
-size=$(awk '/Mem:/ {l=5242880;print((s=$2/2)<l)?$2-l:s}' /proc/meminfo)
-mount none /tmp -t tmpfs -o size=$size
+
if grep devfs /proc/filesystems > /dev/null; then
mount none /dev -t devfs
M0=/dev/pty/m0
@@ -66,7 +65,7 @@ case "$(cat /proc/diag/model)" in
"ASUS (unknown, BCM4702)") ifname=eth1;;
esac
-ifconfig $ifname 192.168.1.1 netmask 255.255.255.0 broadcast 192.168.1.255 up
+failsafe_ip
insmod switch-core
insmod switch-robo || insmod switch-adm || rmmod switch-core
@@ -83,14 +82,6 @@ insmod switch-robo || insmod switch-adm || rmmod switch-core
} || netmsg 192.168.1.255 "Press reset now, to enter Failsafe!"
sleep 2
-
-eval ${FAILSAFE:+failsafe}
-
-lock -w /tmp/.failsafe
-set_state preinit
echo "$HOTPLUG" > /proc/sys/kernel/hotplug
ifconfig $ifname 0.0.0.0 down
-
-mount_root
-exec /sbin/init
diff --git a/target/linux/brcm-2.4/base-files/default/sbin/mount_root b/target/linux/brcm-2.4/base-files/default/sbin/mount_root
deleted file mode 100755
index a9dd2764dd..0000000000
--- a/target/linux/brcm-2.4/base-files/default/sbin/mount_root
+++ /dev/null
@@ -1,29 +0,0 @@
-#!/bin/sh
-# Copyright (C) 2006 OpenWrt.org
-. /etc/functions.sh
-
-is_dirty() {
- mtdpart="$(find_mtd_part linux)"
- grep Broadcom /proc/cpuinfo >&- || return 1
- OFFSET="$(($(hexdump -v $mtdpart -s 20 -n 2 -e '"%d"')-1))"
- return $(hexdump -v $mtdpart -s $OFFSET -n 1 -e '"%d"')
-}
-
-if [ "$1" != "failsafe" ]; then
- mtd unlock linux
- mount | grep jffs2 >&-
- if [ $? = 0 ] ; then
- mount -o remount,rw /dev/root /
- else
- . /bin/firstboot
- is_dirty
- [ $? != 0 ] && {
- echo "switching to jffs2"
- mount $(find_mtd_part rootfs_data) /jffs -t jffs2
- fopivot /jffs /rom
- } || {
- echo "jffs2 not ready yet; using ramdisk"
- ramoverlay
- }
- fi
-fi
diff --git a/target/linux/brcm-2.4/image/Makefile b/target/linux/brcm-2.4/image/Makefile
index 41bd1c89cd..6515d134c8 100644
--- a/target/linux/brcm-2.4/image/Makefile
+++ b/target/linux/brcm-2.4/image/Makefile
@@ -50,7 +50,12 @@ define trxalign/squashfs
-a 1024
endef
+define Image/Build/squashfs
+ $(call prepare_generic_squashfs,$(KDIR)/root.squashfs)
+endef
+
define Image/Build
+ $(call Image/Build/$(1))
$(STAGING_DIR)/bin/trx -o $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).trx -f $(KDIR)/loader.gz -f $(KDIR)/vmlinux.lzma $(call trxalign/$(1)) -f $(KDIR)/root.$(1)
ifneq ($(1),jffs2-128k)
$(call Image/Build/CyberTAN,$(1),wrt54g3g,W54F,2.01.1,$(patsubst jffs2-%,jffs2,$(1)))
diff --git a/target/linux/brcm-2.4/src/jffs2root.c b/target/linux/brcm-2.4/src/jffs2root.c
deleted file mode 100644
index 0afca57472..0000000000
--- a/target/linux/brcm-2.4/src/jffs2root.c
+++ /dev/null
@@ -1,138 +0,0 @@
-/*
- * jffs2root.c
- *
- * Copyright (C) 2005 Mike Baker
- *
- * 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.
- *
- * $Id$
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <stddef.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <string.h>
-
-#include <sys/ioctl.h>
-#include "mtd.h"
-
-struct trx_header {
- unsigned magic; /* "HDR0" */
- unsigned len; /* Length of file including header */
- unsigned crc32; /* 32-bit CRC from flag_version to end of file */
- unsigned flag_version; /* 0:15 flags, 16:31 version */
- unsigned offsets[3]; /* Offsets of partitions from start of header */
-};
-
-unsigned long *crc32;
-
-void init_crc32()
-{
- unsigned long crc;
- unsigned long poly = 0xEDB88320L;
- int n, bit;
- if ((crc32 = (unsigned long *) malloc(256 * sizeof(unsigned long))) == (void *)-1) {
- perror("malloc");
- exit(1);
- }
- for (n = 0; n < 256; n++) {
- crc = (unsigned long) n;
- for (bit = 0; bit < 8; bit++)
- crc = (crc & 1) ? (poly ^ (crc >> 1)) : (crc >> 1);
- crc32[n] = crc;
- }
-}
-
-unsigned int crc32buf(char *buf, size_t len)
-{
- unsigned int crc = 0xFFFFFFFF;
- for (; len; len--, buf++)
- crc = crc32[(crc ^ *buf) & 0xff] ^ (crc >> 8);
- return crc;
-}
-
-int main(int argc, char **argv)
-{
- int fd;
- struct mtd_info_user mtdInfo;
- unsigned long len;
- struct trx_header *ptr;
- char *buf;
-
- if ((fd = open("/dev/mtdblock/1", O_RDWR)) < 0) {
- fd = open("/dev/mtdblock1", O_RDWR);
- }
-
- if (((len = lseek(fd, 0, SEEK_END)) < 0)
- || ((ptr = (struct trx_header *) mmap(0, len, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0)) == (void *) (-1))
- || (ptr->magic != 0x30524448)) {
- printf("Error reading trx info\n");
- exit(-1);
- }
-
- close(fd);
-
- if ((fd = open("/dev/mtd/1", O_RDWR)) < 0) {
- fd = open("/dev/mtd1", O_RDWR);
- }
-
- if (ioctl(fd, MEMGETINFO, &mtdInfo)) {
- fprintf(stderr, "Could not get MTD device info from mtd\n");
- close(fd);
- exit(1);
- }
- close(fd);
-
- if (argc > 1 && !strcmp(argv[1],"--move")) {
- if (ptr->offsets[2] >= ptr->len) {
- printf("Partition already moved outside trx\n");
- } else {
- init_crc32();
- ptr->offsets[2] += (mtdInfo.erasesize - 1);
- ptr->offsets[2] &= ~(mtdInfo.erasesize - 1);
- ptr->len = ptr->offsets[2];
- ptr->crc32 = crc32buf((void *) &(ptr->flag_version), ptr->len - offsetof(struct trx_header, flag_version));
- msync(ptr,sizeof(struct trx_header),MS_SYNC|MS_INVALIDATE);
- printf("Partition moved; please reboot\n");
- }
- } else if (argc > 1 && !strcmp(argv[1], "--clean")) {
- buf = (char *) ptr;
- if (buf[ptr->offsets[1] - 1] == 0) {
- init_crc32();
- buf[ptr->offsets[1] - 1] = 1;
- ptr->crc32 = crc32buf((void *) &(ptr->flag_version), ptr->len - offsetof(struct trx_header, flag_version));
- msync(ptr,sizeof(struct trx_header),MS_SYNC|MS_INVALIDATE);
- printf("Partition marked as clean\n");
- }
- } else {
- int x;
- printf(" erase: 0x%08x\n",mtdInfo.erasesize);
- printf("=== trx ===\n");
- printf("mapped: 0x%08x\n", (unsigned)ptr);
- printf(" magic: 0x%08x\n", ptr->magic);
- printf(" len: 0x%08x\n", ptr->len);
- printf(" crc: 0x%08x\n", ptr->crc32);
- for (x = 0; x < 3; x++)
- printf(" offset[%d]: 0x%08x\n", x, ptr->offsets[x]);
- }
-
- munmap((void *) ptr, len);
- return 0;
-}