[klibc] problem about initramfs
chengzhiyong at harbournetworks.com
chengzhiyong at harbournetworks.com
Sun Apr 3 20:52:29 PDT 2005
dear friend.
i have mips board with BCM sibyte 1125CPU(use board sibyte 1250 swarm.)
i use linux-kernel 2.6.12-rc1 download from linux-mips.com
i use kernel 2.4.26 before this time, it's work ok at 2.4.26 with
Ramdisk-busybox
when i try to use ramdisk in 2.6.1x version, i found that ramdisk i not
exist,
i don't known how to use it again(i had try a patch for get ramdisk init
to 2.6.1x, but can not complire),
so i use initramfs with klibc.
please help me with it. thanks!
kugle
my initramfs file-list content.
--------------------------------------------------------------------------
1 # This is a very simple, default initramfs
2
3 dir /dev 0755 0 0
4 nod /dev/console 0600 0 0 c 5 1
5 dir /root 0700 0 0
6 nod /dev/ram0 0777 0 0 b 1 0
7 nod /dev/mem 0777 0 0 c 1 1
8
9 dir /lost+found 0755 0 0
10 dir /etc 0755 0 0
11 dir /etc/init.d 0755 0 0
12 file /etc/init.d/rcS
/root/project/linux-mips/linux/root-file-system/etc/init.d/rcS 0755 0 0
13 file /etc/passwd
/root/project/linux-mips/linux/root-file-system/etc/passwd 0755 0 0
14 file /etc/inittab
/root/project/linux-mips/linux/root-file-system/etc/inittab 0755 0 0
15 file /etc/group
/root/project/linux-mips/linux/root-file-system/etc/group 0755 0 0
16 dir /tmp 0755 0 0
17 dir /var 0755 0 0
18 dir /proc 0755 0 0
19 dir /mnt 0755 0 0
20 dir /home 0755 0 0
1 # This is a very simple, default initramfs
2
3 dir /dev 0755 0 0
4 nod /dev/console 0600 0 0 c 5 1
5 dir /root 0700 0 0
6 nod /dev/ram0 0777 0 0 b 1 0
7 nod /dev/mem 0777 0 0 c 1 1
8
9 dir /lost+found 0755 0 0
10 dir /etc 0755 0 0
11 dir /etc/init.d 0755 0 0
12 file /etc/init.d/rcS
/root/project/linux-mips/linux/root-file-system/etc/init.d/rcS 0755 0 0
13 file /etc/passwd
/root/project/linux-mips/linux/root-file-system/etc/passwd 0755 0 0
14 file /etc/inittab
/root/project/linux-mips/linux/root-file-system/etc/inittab 0755 0 0
15 file /etc/group
/root/project/linux-mips/linux/root-file-system/etc/group 0755 0 0
16 dir /tmp 0755 0 0
17 dir /var 0755 0 0
18 dir /proc 0755 0 0
19 dir /mnt 0755 0 0
20 dir /home 0755 0 0
21 dir /root 0755 0 0
22 dir /bin 0755 0 0
23 dir /sbin 0755 0 0
24 dir /lib 0755 0 0
25
26
27 file /lib/crt0.o
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-lib/crt0.o 0755 0
0
28 file /lib/cinterp.o
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-lib/interp.o 0755
0 0
29 file /lib/libc.so
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-lib/libc.so 0755
0 0
30 file /lib/klibc-DYbflytbid1xNDZf1_tuES7t0Rs.so
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-lib/klibc-DYbflyt
bid1xNDZf1_tuES7t0Rs.so 0755 0 0
31 file /lib/libc.a
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-lib/libc.a 0755 0
0
32
33 file /bin/busybox
/root/project/linux-mips/linux/root-file-system/bin/busybox 0755 0 0
34 slink /sbin/getty /bin/busybox 0755 0 0
35 slink /sbin/ifconfig /bin/busybox 0755 0 0
36 file /bin/cat
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-bin/cat 0755 0 0
37 file /bin/chroot
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-bin/chroot 0755 0
0
38 file /bin/dd
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-bin/dd 0755 0 0
39 file /bin/false
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-bin/false 0755 0
0
40 file /bin/fstype
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-bin/fstype 0755 0
0
41 file /bin/gzip
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-bin/gzip 0755 0 0
42 file /bin/gunzip
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-bin/gunzip 0755 0
0
43 file /bin/insmod
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-bin/insmod 0755 0
0
44 file /bin/ipconfig
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-bin/ipconfig 0755
0 0
45 file /bin/kinit
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-bin/kinit 0755 0
0
46 file /bin/ln
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-bin/ln 0755 0 0
47 file /bin/minips
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-bin/minips 0755 0
0
48 file /bin/mkdir
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-bin/mkdir 0755 0
0
49 file /bin/mkfifo
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-bin/mkfifo 0755 0
0
50 file /bin/mount
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-bin/mount 0755 0
0
51 file /bin/nfsmount
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-bin/nfsmount 0755
0 0
52 file /bin/nuke
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-bin/nuke 0755 0 0
53 file /bin/pivot_root
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-bin/pivot_root
0755 0 0
54 file /bin/printf
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-bin/printf 0755 0
0
55 file /bin/run-init
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-bin/run-init 0755
0 0
56 file /bin/sh
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-bin/sh 0755 0 0
57 file /bin/sleep
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-bin/sleep 0755 0
0
58 file /bin/true
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-bin/true 0755 0 0
59 file /bin/umount
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-bin/umount 0755 0
0
60 file /bin/uname
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-bin/uname 0755 0
0
61 file /bin/zcat
/root/project/linux-mips/klib-1.0.5/lib/klibc/mips-linux-bin/zcat 0755 0 0
62 slink /init /bin/kinit 0755 0 0
63 slink /sbin/init /bin/kinit 0755 0 0
my inittab content.
--------------------------------------------------------------------------
1 # System startup
2 ::sysinit:/etc/init.d/rcS
3
4 # Console
5 ::respawn:/sbin/getty 9600 /dev/console
6
7 # Go into runlevel 0 (Halt)
8 ::shutdown:/etc/init.d/rcH
my init.d/rcS content.
--------------------------------------------------------------------------
1 #!/bin/sh
2
3 /bin/mount -t proc none /proc
4 /bin/mount -t tmpfs shm /root
5
6 /sbin/ipconfig lo 127.0.0.1 up
7 /sbin/ipconfig eth0 10.29.60.222 up
8
console output:
---------------------------------------------------------------------------
Broadcom SiByte BCM1125H A2 @ 400 MHz (SB1 rev 3)
Board type: SiByte BCM91250A (SWARM)
[4294667.296000] Linux version 2.6.12-rc1 (root at debian) (gcc version 3.2.3
with SiByte modifications) #31 Mon Apr 4 11:19:56 CST 2005
[4294667.296000] CPU revision is: 00040103
[4294667.296000] This kernel optimized for board runs with CFE
[4294667.296000] Determined physical RAM map:
[4294667.296000] memory: 07ea8e00 @ 00000000 (usable)
[4294667.296000] memory: 07fffe00 @ 08000000 (usable)
[4294667.296000] Built 1 zonelists
[4294667.296000] Kernel command line: root=/dev/ram0
[4294667.296000] Primary instruction cache 32kB, 4-way, linesize 32 bytes.
[4294667.296000] Primary data cache 32kB, 4-way, linesize 32 bytes.
[4294667.296000] Synthesized TLB refill handler (24 instructions).
[4294667.296000] Synthesized TLB load handler fastpath (36 instructions).
[4294667.296000] Synthesized TLB store handler fastpath (31 instructions).
[4294667.296000] Synthesized TLB modify handler fastpath (30
instructions).
[4294667.296000] PID hash table entries: 1024 (order: 10, 16384 bytes)
[4294667.298000] Dentry cache hash table entries: 65536 (order: 6, 262144
bytes)
[4294667.302000] Inode-cache hash table entries: 32768 (order: 5, 131072
bytes)
[4294667.345000] Memory: 254592k/260764k available (1477k kernel code,
5904k reserved, 302k data, 560k init, 0k highmem)
[4294667.369000] Mount-cache hash table entries: 512
[4294667.370000] Checking for 'wait' instruction... unavailable.
[4294667.455000] NET: Registered protocol family 16
[4294667.460000] devfs: 2004-01-31 Richard Gooch (rgooch at atnf.csiro.au)
[4294667.461000] devfs: boot_options: 0x1
[4294667.462000] Initializing Cryptographic API
[4294667.464000] io scheduler noop registered
[4294667.466000] io scheduler anticipatory registered
[4294667.468000] io scheduler deadline registered
[4294667.470000] io scheduler cfq registered
[4294667.472000] RAMDISK driver initialized: 4 RAM disks of 12800K size
1024 blocksize
[4294667.473000] loop: loaded (max 8 devices)
[4294667.475000] eth0: enabling TCP rcv checksum
[4294667.476000] eth0: enabling TCP rcv checksum
[4294667.477000] eth0: SiByte Ethernet at 0x10064000, address:
00:05:3B:91:00:9E
[4294667.478000] eth1: enabling TCP rcv checksum
[4294667.480000] eth1: enabling TCP rcv checksum
[4294667.481000] eth1: SiByte Ethernet at 0x10065000, address:
00:05:3B:91:00:9F
[4294667.482000] NET: Registered protocol family 2
[4294667.489000] IP: routing cache hash table of 2048 buckets, 16Kbytes
[4294667.490000] TCP established hash table entries: 16384 (order: 5,
131072 bytes)
[4294667.491000] TCP bind hash table entries: 16384 (order: 4, 65536
bytes)
[4294667.492000] TCP: Hash tables configured (established 16384 bind
16384)
[4294667.493000] NET: Registered protocol family 1
[4294667.494000] NET: Registered protocol family 17
[4294667.495000] Freeing unused kernel memory: 560k freed
VFS: Cannot open [4294667.501000] Kernel panic - not syncing: Attempted to
kill init!
root device "000[4294667.502000] 0"
pivot_root: <0>Rebooting in 5 seconds..Device or resource busy
Passing control back to CFE...
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