softgun 模拟器成功启动imx21的uboot以及内核
启动日志：
LCA "uboot" "/platform/kernel_source/u-boot-1.1.4/u-boot.bin"
Configuration file "/platform/appliaction/softgun-0.20/configs/imx21ads.sg" loaded
IO-Thread started
Registered /dev/ptmx UART Emulator module
Registered File UART Emulator module
Registered Null UART Emulator module
MemMap and IO-Handler Hash initialized
Creating ARM9 CPU with clock 266000000 HZ
- Instruction decoder Initialized: 63424 2112 0 0 0 0 0 0 0
- Register Pointers initialized
GDB server listening on host "127.0.0.1" port 4711
- Create MMU Coprocessor
MMU: Byteorder is now LE
DRAM bank "dram0" with size 65536kB
DRAM bank "dram1" not present
Diskimage "/home/user/emulator/imx21ads/flash0.img" is a regular file
Diskimage "/home/user/emulator/imx21ads/flash0.stat" is a regular file
Flash bank "flash0" type AM29BDS128H Chips 2 writebuf 1
Flash bank "flash1" Flash type not configured
i.MX21 DMA controller "dmac" created
Uart "uart1" Connected to stdin
IMX21 Uart "uart1" created
IMX21 Uart "uart2" created
IMX21 Uart "uart3" created
IMX21 Uart "uart4" created
IMX Timer Module "gpt1" created
IMX Timer Module "gpt2" created
IMX Timer Module "gpt3" created
Diskimage "/home/user/emulator/imx21ads/rtc.img" is a regular file
i.MX21 CSPI module "cspi1" created
i.MX21 CSPI module "cspi2" created
i.MX21 I2C-Controller "i2c" created
i.MX21 SD-Card host controller "sdhc1" created
MMC Card: No product type configured for "sdcard0". Skipped.
i.MX21 SD-Card host controller "sdhc2" created
IMX21 GPIO module "gpio" created
i.MX21 CSPI module "cspi3" created
RFB Server Listening on host "127.0.0.1" port 5900
i.MX21 LCD-Controller "lcdc" created
Philips ISP1301 USB OTG transceiver created "otg.isp1301" created
IMX21 OTG: Function serial reset not implemented
IMX21 OTG: roothub reset not implemented
IMX21 OTG: hostser reset not implemented
iMX21 USB OTG controller "otg" created
DJ460 PCL3/PCL3GUI interpreter created
IMX21 Clock and Reset module "crm" created
AITC ARM Interrupt Controller created
SRAM bank "vram" with size 6.0kB
Set 'imx0' persistent and owned by uid 0
Diskimage "/home/user/emulator/imx21ads/cs8900.eeprom.img" is a regular file
M93C64 Microwire EEProm "cs8900.eeprom" created
Crystal LAN CS8900 Ethernet controller created
i.MX21 SDRAM controller (SDRC) created
External memory interface module (EIM) created
CLI not configured
Loading /platform/kernel_source/u-boot-1.1.4/u-boot.bin to 0xc8000000 flags 0
Poll detector Sensivity 10 jump_width 13300, jump threshold 13300
Starting CPU at c8000000
Write: No Handler for 10000000, value 00040304
Write: No Handler for 10020000, value 00000000
Write: No Handler for 10000004, value fffbfcfb
Write: No Handler for 10020004, value ffffffff
FMCR write value 0xffffffcb
GPCR: read bootstrap pins not implemented
Write: No Handler for 10000008, value 00000000
Write: No Handler for 10020008, value 00000000
EIM register 0xdf001000 not implemented
EIM register 0xdf001004 not implemented
EIM register 0xdf001018 not implemented
EIM register 0xdf00101c not implemented
FMCR write value 0xffffffc9
SDRC: SDCTL0 register write 92120300: CL3
SDRC: SDCTL0 register write a2120300: CL3
SDRC: SDCTL0 register write b2120300: CL3
SDRC: SDCTL0 register write 8212f339: CL3
U-Boot 1.1.4 (Jun 21 2012 - 09:02:28)
U-Boot code: C0400000 -> C0420DA0 BSS: -> C045DA9C
RAM Configuration:
Bank #0: c0000000 64 MB
Flash: 32 MB
*** Warning - bad CRC, using default environment
In: serial
Out: serial
Err: serial
Hit any key to stop autoboot: 0
mx2ads> ?
? - alias for 'help'
autoscr - run script from memory
base - print or set address offset
bdinfo - print Board Info structure
boot - boot default, i.e., run 'bootcmd'
bootd - boot default, i.e., run 'bootcmd'
bootm - boot application image from memory
bootp - boot image via network using BootP/TFTP protocol
cmp - memory compare
cp - memory copy
crc32 - checksum calculation
echo - echo args to console
erase - erase FLASH memory
exit - exit script
fatinfo - print information about filesystem
fatload - load binary file from a dos filesystem
fatls - list files in a directory (default /)
flinfo - print FLASH memory information
fsinfo - print information about filesystems
fsload - load binary file from a filesystem image
go - start application at address 'addr'
help - print online help
iminfo - print header information for application image
imls - list all images found in flash
itest - return true/false on integer compare
loadb - load binary file over serial line (kermit mode)
loop - infinite loop on address range
ls - list files in a directory (default /)
md - memory display
mm - memory modify (auto-incrementing)
mmcinit - init mmc card
mtest - simple RAM test
mw - memory write (fill)
nfs - boot image via network using NFS protocol
nm - memory modify (constant address)
printenv- print environment variables
protect - enable or disable FLASH write protection
rarpboot- boot image via network using RARP/TFTP protocol
reiserload- load binary file from a Reiser filesystem
reiserls- list files in a directory (default /)
reset - Perform RESET of the CPU
run - run commands in an environment variable
saveenv - save environment variables to persistent storage
setenv - set environment variables
sleep - delay execution for some time
test - minimal test like /bin/sh
tftpboot- boot image via network using TFTP protocol
version - print monitor version
mx2ads> pri
bootargs=
bootcmd=bootm 0xc2000000
bootdelay=10
baudrate=115200
stdin=serial
stdout=serial
stderr=serial
ethaddr=DE:14:98:D0:DA:FE
Environment size: 131/131068 bytes
mx2ads>