三个晚上！给干废了！MINI2440 挂载 NFS-编程知识

虚拟机执行：sudo ifconfig tap0 10.10.10.1 up

qemu 开发板：
set bootargs noinitrd root=/dev/nfs rw nfsroot=10.10.10.1:/nfsroot ip=10.10.10.10:10.10.10.1 ::255.255.255.0 console=ttySAC0,115200

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Hit any key to stop autoboot:  0 
MINI2440 # set bootargs noinitrd root=/dev/nfs rw nfsroot=10.10.10.1:/nfsroot ip=10.10.10.10:10.10.10.1 ::255.255.255.0 console=ttySAC0,115200
MINI2440 # 
MINI2440 # 
MINI2440 # bootm
## Booting kernel from Legacy Image at 32000000 ...Image Name:   Linux-3.0.4Created:      2024-04-16  14:45:51 UTCImage Type:   ARM Linux Kernel Image (uncompressed)Data Size:    2331216 Bytes =  2.2 MBLoad Address: 30008000Entry Point:  30008000Verifying Checksum ... OKLoading Kernel Image ... OK
OKStarting kernel ...Uncompressing Linux... done, booting the kernel.
s3c_timers_write: Bad register 0x40
Linux version 3.0.4 (linux@linux) (gcc version 4.4.3 (ctng-1.6.1) ) #9 Tue Apr 16 20:24:33 CST 2024
CPU: ARM920T [41129200] revision 0 (ARMv4T), cr=c0007177
CPU: VIVT data cache, VIVT instruction cache
Machine: MINI2440
Memory policy: ECC disabled, Data cache writeback
CPU S3C2440A (id 0x32440001)
S3C24XX Clocks, Copyright 2004 Simtec Electronics
S3C244X: core 405.000 MHz, memory 101.250 MHz, peripheral 50.625 MHz
CLOCK: Slow mode (1.500 MHz), fast, MPLL on, UPLL on
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 16256
Kernel command line: noinitrd root=/dev/nfs rw nfsroot=10.10.10.1:/nfsroot ip=10.10.10.10:10.10.10.1 ::255.255.255.0 console=ttySAC0,115200
PID hash table entries: 256 (order: -2, 1024 bytes)
Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
Memory: 64MB = 64MB total
Memory: 60224k/60224k available, 5312k reserved, 0K highmem
Virtual kernel memory layout:vector  : 0xffff0000 - 0xffff1000   (   4 kB)fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB)DMA     : 0xffc00000 - 0xffe00000   (   2 MB)vmalloc : 0xc4800000 - 0xf6000000   ( 792 MB)lowmem  : 0xc0000000 - 0xc4000000   (  64 MB)modules : 0xbf000000 - 0xc0000000   (  16 MB).init : 0xc0008000 - 0xc002a000   ( 136 kB).text : 0xc002a000 - 0xc0439ae4   (4159 kB).data : 0xc043a000 - 0xc045eb00   ( 147 kB).bss : 0xc045eb24 - 0xc04997ac   ( 236 kB)
SLUB: Genslabs=13, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
NR_IRQS:85
irq: clearing subpending status 00000003
Console: colour dummy device 80x30
console [ttySAC0] enabled
Calibrating delay loop... 1613.82 BogoMIPS (lpj=4034560)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
devtmpfs: initialized
gpiochip_add: gpios 288..303 (GPIOK) failed to register
gpiochip_add: gpios 320..334 (GPIOL) failed to register
gpiochip_add: gpios 352..353 (GPIOM) failed to register
NET: Registered protocol family 16
MINI2440: Option string mini2440=0tb
MINI2440: 't' ignored, touchscreen not compiled in
MINI2440: LCD [0:240x320] 1:800x480 2:1024x768
S3C2440: Initialising architecture
S3C2440: IRQ Support
S3C244X: Clock Support, DVS off
bio: create slab <bio-0> at 0
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
s3c-i2c s3c2440-i2c: slave address 0x10
s3c-i2c s3c2440-i2c: bus frequency set to 98 KHz
s3c-i2c s3c2440-i2c: i2c-0: S3C I2C adapter
Advanced Linux Sound Architecture Driver Version 1.0.24.
NET: Registered protocol family 2
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 2048 (order: 2, 16384 bytes)
TCP bind hash table entries: 2048 (order: 1, 8192 bytes)
TCP: Hash tables configured (established 2048 bind 2048)
TCP reno registered
UDP hash table entries: 256 (order: 0, 4096 bytes)
UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
NET: Registered protocol family 1
RPC: Registered named UNIX socket transport module.
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
RPC: Registered tcp NFSv4.1 backchannel transport module.
JFFS2 version 2.2. (NAND) © 2001-2006 Red Hat, Inc.
ROMFS MTD (C) 2007 Red Hat, Inc.
msgmni has been set to 117
io scheduler noop registered
io scheduler deadline registered
io scheduler cfq registered (default)
Console: switching to colour frame buffer device 60x53
fb0: s3c2410fb frame buffer device
s3c2440-uart.0: ttySAC0 at MMIO 0x50000000 (irq = 70) is a S3C2440
s3c2440-uart.1: ttySAC1 at MMIO 0x50004000 (irq = 73) is a S3C2440
s3c2440-uart.2: ttySAC2 at MMIO 0x50008000 (irq = 76) is a S3C2440
brd: module loaded
at24 0-0050: 1024 byte 24c08 EEPROM, writable, 16 bytes/write
S3C24XX NAND Driver, (c) 2004 Simtec Electronics
s3c24xx-nand s3c2440-nand: Tacls=1, 9ns Twrph0=3 29ns, Twrph1=2 19ns
s3c24xx-nand s3c2440-nand: NAND soft ECC
NAND device: Manufacturer ID: 0xec, Chip ID: 0x76 (Samsung NAND 64MiB 3,3V 8-bit)
Creating 4 MTD partitions on "nand":
0x000000000000-0x000000040000 : "u-boot"
ftl_cs: FTL header not found.
0x000000040000-0x000000060000 : "u-boot-env"
ftl_cs: FTL header not found.
0x000000060000-0x000000560000 : "kernel"
ftl_cs: FTL header not found.
0x000000560000-0x000004000000 : "root"
ftl_cs: FTL header not found.
dm9000 Ethernet Driver, V1.31
eth0: dm9000e at c4862300,c4864304 IRQ 51 MAC: 08:08:11:18:12:27 (chip)
ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
s3c2410-ohci s3c2410-ohci: S3C24XX OHCI
s3c2410-ohci s3c2410-ohci: new USB bus registered, assigned bus number 1
s3c2410-ohci s3c2410-ohci: irq 42, io mem 0x49000000
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 3 ports detected
usbcore: registered new interface driver libusual
s3c2440-usbgadget s3c2440-usbgadget: S3C2440: increasing FIFO to 128 bytes
mousedev: PS/2 mouse device common for all mice
input: gpio-keys as /devices/platform/gpio-keys/input/input0
S3C24XX RTC, (c) 2004,2006 Simtec Electronics
s3c-rtc s3c2410-rtc: rtc disabled, re-enabling
s3c-rtc s3c2410-rtc: rtc core: registered s3c as rtc0
i2c /dev entries driver
S3C2410 Watchdog Timer, (c) 2004 Simtec Electronics
s3c2410-wdt s3c2410-wdt: no memory resource specified,remove by leexiaolong
s3c2410-wdt s3c2410-wdt: watchdog inactive, reset disabled, irq enabled
cpuidle: using governor ladder
sdhci: Secure Digital Host Controller Interface driver
sdhci: Copyright(c) Pierre Ossman
s3c-sdi s3c2440-sdi: powered down.
s3c-sdi s3c2440-sdi: mmc0 - using pio, sw SDIO IRQ
QEMU: mini2440_bl_switch: LCD Backlight now off (0).
usbcore: registered new interface driver usbhid
usbhid: USB HID core driver
ALSA device list:No soundcards found.
TCP cubic registered
NET: Registered protocol family 17
Registering the dns_resolver key type
s3c-rtc s3c2410-rtc: setting system clock to 2024-04-16 14:46:03 UTC (1713278763)
dm9000 dm9000: eth0: link up, 10Mbps, half-duplex, lpa 0x0400
IP-Config: Guessing netmask 255.0.0.0
IP-Config: Complete:device=eth0, addr=10.10.10.10, mask=255.0.0.0, gw=255.255.255.255,host=10.10.10.10, domain=, nis-domain=(none),bootserver=10.10.10.1, rootserver=10.10.10.1, rootpath=
VFS: Mounted root (nfs filesystem) on device 0:15.
devtmpfs: mounted
Freeing init memory: 136K
Starting logging: OK
Initializing random number generator... done.
Starting network...
usb 1-3: new full speed USB device number 2 using s3c2410-ohci
ip: RTNETLINK answers: File existsWelcome to Buildroot
buildroot login: input: QEMU 0.10.50 QEMU USB Mouse as /devices/platform/s3c2410-ohci/usb1/1-3/1-3:1.0/input/input1
generic-usb 0003:0627:0001.0001: input,hidraw0: USB HID v0.01 Mouse [QEMU 0.10.50 QEMU USB Mouse] on usb-s3c24xx-3/input0Welcome to Buildroot
buildroot login: 
Welcome to Buildroot
buildroot login: 
Welcome to Buildroot
buildroot login: root
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