startup的命令

这是从startup程序文件里面提取的。

echo *** Starting up…
echo *** Mounting proc…
mkdir /proc
mount none /proc proc
echo *** Making devices…
mkdir /dev
mknod /dev/console c 5 1
mknod /dev/mtd0 c 90 0
mknod /dev/sda b 8 0
mknod /dev/sda1 b 8 1
mknod /dev/sda2 b 8 2
mknod /dev/sda3 b 8 3
mknod /dev/sda4 b 8 4
mknod /dev/sda5 b 8 4
mknod /dev/sda6 b 8 4
mknod /dev/sda7 b 8 4
mknod /dev/ttyS0 c 4 64
mknod /dev/ttyS1 c 4 65
mknod /dev/ttyS2 c 4 66
mknod /dev/ttyS3 c 4 67
mknod /dev/tty0 c tty 0
mknod /dev/tty1 c tty 1
mknod /dev/tty2 c tty 2
mknod /dev/tty3 c tty 3
mknod /dev/tty4 c tty 4
mknod /dev/tty5 c tty 5
mknod /dev/tty6 c tty 6
mknod /dev/tty7 c tty 7
mknod /dev/pvd b 254 0
mknod /dev/pvd1 b 254 1
insmod /pvDisk.ko
stat /dev/pvd1
waitdev /dev/pvd1
echo Mounting /dev/pvd1…
mount /dev/pvd1 /mnt ext4 rw
umount /proc
cd /mnt
chroot . /bin/bash

用了busybox shell的启动输出信息

SD size:536870912
SD Init Successfully
Faster boot
Faster boot start
ELLE(emulated linux loader extreme) 0.1.0.1 running from 0xA0E00200
Linux kernel found (1150708 bytes @ 0xA0E013E0)
First bytes: 0x00 0x00 0xA0 0xE1
Ramdisk found (814080 bytes @ 0xA0F1A2D4)
First bytes: 0x30 0x37 0x30 0x37
Copying to 0xA0F39400…
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Setting up ATAGs…
CORE
MEM
INITRD2
CMDLINE
NONE
Calling kernel at 0xA0E013E0 with tags at 0xA0000800 (144 bytes of tags)
Uncompressing Linux… done, booting the kernel.
[ 0.000000] Initializing cgroup subsys cpuset
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Linux version 2.6.34.1-dgv (root@tll-VirtualBox) (gcc version 4.7.3 (Ubuntu/Linaro 4.7.3-12ubuntu1) ) #13 Tue Aug 25 14:39:52 CST 2015
[ 0.000000] CPU: XScale-PXA255 [69052d06] revision 6 (ARMv5TE), cr=00007977
[ 0.000000] CPU: VIVT data cache, VIVT instruction cache
[ 0.000000] Machine: Palm Tungsten|E2
[ 0.000000] Memory policy: ECC disabled, Data cache writeback
[ 0.000000] Memory clock: 117.96MHz (*32)
[ 0.000000] Run Mode clock: 117.96MHz (*1)
[ 0.000000] Turbo Mode clock: 117.96MHz (*1.0, inactive)
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping off. Total pages: 4064
[ 0.000000] Kernel command line: console=ttyS
[ 0.000000] PID hash table entries: 64 (order: -4, 256 bytes)
[ 0.000000] Dentry cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.000000] Inode-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.000000] allocated 81920 bytes of page_cgroup
[ 0.000000] please try ‘cgroup_disable=memory’ option if you don’t want memory cgroups
[ 0.000000] Memory: 16MB = 16MB total
[ 0.000000] Memory: 13052k/13052k available, 3332k reserved, 0K highmem
[ 0.000000] Virtual kernel memory layout:
[ 0.000000] vector : 0xffff0000 – 0xffff1000 ( 4 kB)
[ 0.000000] fixmap : 0xfff00000 – 0xfffe0000 ( 896 kB)
[ 0.000000] DMA : 0xffc00000 – 0xffe00000 ( 2 MB)
[ 0.000000] vmalloc : 0xc1800000 – 0xe8000000 ( 616 MB)
[ 0.000000] lowmem : 0xc0000000 – 0xc1000000 ( 16 MB)
[ 0.000000] pkmap : 0xbfe00000 – 0xc0000000 ( 2 MB)
[ 0.000000] modules : 0xbf000000 – 0xbfe00000 ( 14 MB)
[ 0.000000] .init : 0xc0008000 – 0xc001d000 ( 84 kB)
[ 0.000000] .text : 0xc001d000 – 0xc01e3000 (1816 kB)
[ 0.000000] .data : 0xc01f6000 – 0xc02114e0 ( 110 kB)
[ 0.000000] SLUB: Genslabs=11, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] Hierarchical RCU implementation.
[ 0.000000] NR_IRQS:288
[ 0.000000] Console: colour dummy device 80×30
[ 1.198610] Calibrate delay loop skipped…Using present value… 29.38 BogoMIPS (lpj=146944)
[ 1.199610] Mount-cache hash table entries: 512
[ 1.201778] Initializing cgroup subsys ns
[ 1.201924] Initializing cgroup subsys cpuacct
[ 1.202079] Initializing cgroup subsys memory
[ 1.202304] Initializing cgroup subsys freezer
[ 1.202614] CPU: Testing write buffer coherency: ok
[ 1.205064] devtmpfs: initialized
[ 1.221186] NET: Registered protocol family 16
[ 1.248871] bio: create slab <bio-0> at 0
[ 1.254160] SCSI subsystem initialized
[ 1.257815] Switching to clocksource oscr0
[ 1.264207] Trying to unpack rootfs image as initramfs…
[ 1.268064] Switched to NOHz mode on CPU #0
[ 1.333038] Freeing initrd memory: 796K
[ 1.333679] NetWinder Floating Point Emulator V0.97 (double precision)
[ 1.440511] fuse init (API version 7.13)
[ 1.447178] msgmni has been set to 27
[ 1.450426] io scheduler noop registered (default)
[ 1.523281] pxa2xx-uart.0: ttyS0 at MMIO 0x40100000 (irq = 22) is a FFUART
[ 1.553259] console [ttyS0] enabled
[ 1.555338] pxa2xx-uart.1: ttyS1 at MMIO 0x40200000 (irq = 21) is a BTUART
[ 1.557731] pxa2xx-uart.2: ttyS2 at MMIO 0x40700000 (irq = 20) is a STUART
[ 1.625872] brd: module loaded
[ 1.656679] loop: module loaded
[ 1.662151] SCSI Media Changer driver v0.25
[ 1.666407] sa1100-rtc sa1100-rtc: rtc core: registered sa1100-rtc as rtc0
[ 1.667734] XScale DSP coprocessor detected.
[ 1.672945] sa1100-rtc sa1100-rtc: setting system clock to 2012-03-19 05:58:27 UTC (1332136707)
[ 1.674872] Freeing init memory: 84K
Starting Shell
BusyBox v1.23.2 (2015-08-25 13:23:43 CST) built-in shell (ash)
Enter ‘help’ for a list of built-in commands.

/ # echo “Tony”
Tony

uARM 串口输出

SD size:536870912
Init Successfully
Faster boot
Faster boot start
ELLE(emulated linux loader extreme) 0.1.0.1 running from 0xA0E00200
Linux kernel found (1473352 bytes @ 0xA0E013E0)
First bytes: 0x00 0x00 0xA0 0xE1
Ramdisk found (17920 bytes @ 0xA0F68F28)
First bytes: 0x30 0x37 0x30 0x37
Copying to 0xA0FFBA00…
0/17920 done (0%)
1024/17920 done (5%)
2048/17920 done (11%)
3072/17920 done (17%)
4096/17920 done (22%)
5120/17920 done (28%)
6144/17920 done (34%)
7168/17920 done (40%)
8192/17920 done (45%)
9216/17920 done (51%)
10240/17920 done (57%)
11264/17920 done (62%)
12288/17920 done (68%)
13312/17920 done (74%)
14336/17920 done (80%)
15360/17920 done (85%)
16384/17920 done (91%)
17408/17920 done (97%)
Setting up ATAGs…
CORE
MEM
INITRD2
CMDLINE
NONE
Calling kernel at 0xA0E013E0 with tags at 0xA0000800 (144 bytes of tags)
Uncompressing Linux… done, booting the kernel.
[ 0.000000] Initializing cgroup subsys cpuset

[ 0.000000] Initializing cgroup subsys cpu

[ 0.000000] Linux version 2.6.34.1-dgv (dmitrygr@ubuntu) (gcc version 4.5.2 (Sourcery G++ Lite 2011.03-42) ) #52 Sun Apr 1 00:36:21 PDT 2012

[ 0.000000] CPU: XScale-PXA255 [69052d06] revision 6 (ARMv5TE), cr=00007977

[ 0.000000] CPU: VIVT data cache, VIVT instruction cache

[ 0.000000] Machine: Palm Tungsten|E2

[ 0.000000] bootconsole [earlycon0] enabled

[ 0.000000] Memory policy: ECC disabled, Data cache writeback

[ 0.000000] Memory clock: 117.96MHz (*32)

[ 0.000000] Run Mode clock: 117.96MHz (*1)

[ 0.000000] Turbo Mode clock: 117.96MHz (*1.0, inactive)

[ 0.000000] Built 1 zonelists in Zone order, mobility grouping off. Total pages: 4064

[ 0.000000] Kernel command line: console=ttyS0 init=/bin/bash earlyprintk

[ 0.000000] PID hash table entries: 64 (order: -4, 256 bytes)

[ 0.000000] Dentry cache hash table entries: 2048 (order: 1, 8192 bytes)

[ 0.000000] Inode-cache hash table entries: 1024 (order: 0, 4096 bytes)

[ 0.000000] allocated 81920 bytes of page_cgroup

[ 0.000000] please try ‘cgroup_disable=memory’ option if you don’t want memory cgroups

[ 0.000000] Memory: 16MB = 16MB total

[ 0.000000] Memory: 13288k/13288k available, 3096k reserved, 0K highmem

[ 0.000000] Virtual kernel memory layout:

[ 0.000000] vector : 0xffff0000 – 0xffff1000 ( 4 kB)

[ 0.000000] fixmap : 0xfff00000 – 0xfffe0000 ( 896 kB)

[ 0.000000] DMA : 0xffc00000 – 0xffe00000 ( 2 MB)

[ 0.000000] vmalloc : 0xc1800000 – 0xe8000000 ( 616 MB)

[ 0.000000] lowmem : 0xc0000000 – 0xc1000000 ( 16 MB)

[ 0.000000] pkmap : 0xbfe00000 – 0xc0000000 ( 2 MB)

[ 0.000000] modules : 0xbf000000 – 0xbfe00000 ( 14 MB)

[ 0.000000] .init : 0xc0008000 – 0xc0021000 ( 100 kB)

[ 0.000000] .text : 0xc0021000 – 0xc028b000 (2472 kB)

[ 0.000000] .data : 0xc028c000 – 0xc02a66e0 ( 106 kB)

[ 0.000000] SLUB: Genslabs=11, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1

[ 0.000000] Hierarchical RCU implementation.

[ 0.000000] NR_IRQS:288

[ 0.000000] Console: colour dummy device 80×30

[ 1.116731] Calibrating delay loop… 29.38 BogoMIPS (lpj=146944)

[ 1.307161] Mount-cache hash table entries: 512

[ 1.309739] Initializing cgroup subsys ns

[ 1.310302] Initializing cgroup subsys cpuacct

[ 1.310920] Initializing cgroup subsys memory

[ 1.311630] Initializing cgroup subsys freezer

[ 1.312395] CPU: Testing write buffer coherency: ok

[ 1.315476] devtmpfs: initialized

[ 1.332687] NET: Registered protocol family 16

[ 1.360304] bio: create slab <bio-0> at 0

[ 1.366069] SCSI subsystem initialized

[ 1.371845] Switching to clocksource oscr0

[ 1.376908] Switched to NOHz mode on CPU #0

[ 1.378606] NET: Registered protocol family 2

[ 1.379761] IP route cache hash table entries: 1024 (order: 0, 4096 bytes)

[ 1.381821] TCP established hash table entries: 512 (order: 0, 4096 bytes)

[ 1.383039] TCP bind hash table entries: 512 (order: -1, 2048 bytes)

[ 1.384032] TCP: Hash tables configured (established 512 bind 512)

[ 1.384839] TCP reno registered

[ 1.385344] UDP hash table entries: 256 (order: 0, 4096 bytes)

[ 1.386386] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)

[ 1.388054] NET: Registered protocol family 1

[ 1.390095] Trying to unpack rootfs image as initramfs…

[ 1.395509] Freeing initrd memory: 20K

[ 1.396535] NetWinder Floating Point Emulator V0.97 (double precision)

[ 1.402256] fuse init (API version 7.13)

[ 1.404064] msgmni has been set to 25

[ 1.407887] io scheduler noop registered (default)

[ 1.472278] pxa2xx-uart.0: ttyS0 at MMIO 0x40100000 (irq = 22) is a FFUART

[ 1.473322] console [ttyS0] enabled, bootconsole disabled
[ 1.473322] console [ttyS0] enabled, bootconsole disabled

[ 1.476057] pxa2xx-uart.1: ttyS1 at MMIO 0x40200000 (irq = 21) is a BTUART
[ 1.478333] pxa2xx-uart.2: ttyS2 at MMIO 0x40700000 (irq = 20) is a STUART
[ 1.540183] brd: module loaded
[ 1.576363] loop: module loaded
[ 1.581113] PPP generic driver version 2.4.2
[ 1.586987] tun: Universal TUN/TAP device driver, 1.6
[ 1.587677] tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com>
[ 1.591399] mice: PS/2 mouse device common for all mice
[ 1.596495] input: gpio-keys as /devices/platform/gpio-keys/input/input0
[ 1.602742] sa1100-rtc sa1100-rtc: rtc core: registered sa1100-rtc as rtc0
[ 1.604330] TCP cubic registered
[ 1.604778] XScale DSP coprocessor detected.
[ 1.609949] sa1100-rtc sa1100-rtc: setting system clock to 2012-03-19 05:36:38 UTC (1332135398)
[ 1.612033] Freeing init memory: 100K
Running: echo *** Starting up…
*** Starting up…
Running: echo *** Mounting proc…
*** Mounting proc…
Running: mkdir /proc
/proc:E000017
Running: mount none /proc proc
Running: echo *** Making devices…
*** Making devices…
Running: mkdir /dev
/dev:E000017
Running: mknod /dev/console c 5 1
/dev/console:E000017
Running: mknod /dev/mtd0 c 90 0
Running: mknod /dev/sda b 8 0
Running: mknod /dev/sda1 b 8 1
Running: mknod /dev/sda2 b 8 2
Running: mknod /dev/sda3 b 8 3
Running: mknod /dev/sda4 b 8 4
Running: mknod /dev/sda5 b 8 4
Running: mknod /dev/sda6 b 8 4
Running: mknod /dev/sda7 b 8 4
Running: mknod /dev/ttyS0 c 4 64
Running: mknod /dev/ttyS1 c 4 65
Running: mknod /dev/ttyS2 c 4 66
Running: mknod /dev/ttyS3 c 4 67
Running: mknod /dev/tty0 c tty 0
Running: mknod /dev/tty1 c tty 1
Running: mknod /dev/tty2 c tty 2
Running: mknod /dev/tty3 c tty 3
Running: mknod /dev/tty4 c tty 4
Running: mknod /dev/tty5 c tty 5
Running: mknod /dev/tty6 c tty 6
Running: mknod /dev/tty7 c tty 7
Running: mknod /dev/pvd b 254 0
Running: mknod /dev/pvd1 b 254 1
Running: insmod /pvDisk.ko
[ 1.683060] PVD: found device with 1048576 sectors of 512 bytes
[ 1.683852] PVD: Allocated major number 254 for PVD device
[ 1.686406] pvd: pvd1 pvd2 pvd3
[ 1.689980] pvd: p3 size 262112 exceeds device capacity, limited to end of disk
Loaded module: /pvDisk.ko
Running: stat /dev/pvd1
/dev/pvd1 dev=1 ino=172 mode=24996 size=0 rdev=65025 atime=1332135398 mtime=1332135398 ctime=1332135398
Running: waitdev /dev/pvd1
*** WAITING FOR DEVICE: /dev/pvd1
Running: echo Mounting /dev/pvd1…
Mounting /dev/pvd1…
Running: mount /dev/pvd1 /mnt ext4 rw
[ 1.713186] JBD: no valid journal superblock found
[ 1.713830] EXT4-fs (pvd1): error loading journal
mount():E000022
Running: umount /proc
Running: cd /mnt
Running: chroot . /bin/bash
**ARG**
0:/bin/bash*
**ENV**
0:SHELL=/bin/sh*
1:TTY=/dev/console*
2:HOME=/*
3:TERM=linux*
4:PATH=/sbin:/bin*
execve():E000002
Running: echo *** FAILED ***
*** FAILED ***
*** COMMAND LINE INTERFACE ***
:echo l
lll
e
c
ho
e^H

a^H^H^H^H^H^H^H^H^Ha^Hecho l
ll
Unknown command: lecho
: echo Unknown comm and:
: echo : Unknown cecho
: Unknown command: ll
: : :
: echo “My name is Tony”
echo “My name is Tony”
“My name is Tony”
:

XScale PXA255 Linux 2.6.34内核编译出错修复

.size expression for xscsale_dma_a0_map_area does not evaluate to a constant

打开arch/arm/mm/proc-xscale.S,里面有一个xscsale_dma_a0,改成xscale_dma_a0就可以继续编译了。
http://blog.chinaunix.net/uid-20940095-id-291665.html

/bin/sh: 1: lzop: not found
安装lzop:apt-get install lzop

编译完成:

Kernel: arch/arm/boot/zImage is ready

下面去除BogoMIPS的方法还需要修改arch/arm目录下的一个目录里的Kconfig,把默认改成n,不然编译的时候会覆盖.config文件,但是改成n之后就需要修改其它的文件,不然编译会报错。我

去除BogoMIPS:

在.config里把CONFIG_GENERIC_CALIBRATE_DELAY选项修改成

CONFIG_GENERIC_CALIBRATE_DELAY=n

我自己修改了init/calibrate.c文件,把计算函数中的计算内容用宏定义去掉了,换上了自己指定的值。