当前,我有一个使用U-boot加载Android OS的ARM设备。我希望将android替换为linux。因此,我要做的是将为ARM设备编译的linux副本加载到sd卡上,然后引导到U-boot引导程序中。现在的问题是,我告诉U-boot在vmlinuz linux内核中启动哪个内存位置?
我如何找到这个?或指出一些资源也是很好的。
谢谢。
以下是当前连接到串行端口的启动顺序
Reg Version: v1.1.0
Reg Time: 2014-10-115:15:35
Reg Name: hi3719cdmo1a_hi3719cv100_ddr3_1gbyte_16bitx2_2layers_emmc.reg
Fastboot 3.3.0 (zengzhiliang@server180) (Nov 21 2014 - 13:41:16)
Fastboot: Version 3.3.0
Build Date: Nov 21 2014, 13:41:29
CPU: Hi3719Cv100
Boot Media: eMMC
DDR Size: 1GB
Check nand flash controller v610. found
Special NAND id table Version 1.36
Nand ID: 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
No NAND device found!!!
Check spi flash controller v350. found
Can't find a valid spi flash chip.
Can't find a valid spi flash chip.
MMC/SD controller initialization.
MMC/SD Card:
MID: 0xfe
Read Block: 512 Bytes
Write Block: 512 Bytes
Chip Size: 3656M Bytes (High Capacity)
Name: "P1XXX"
Chip Type: MMC
Version: 4.0
Speed: 25000000Hz
Bus Width: 8bit
Boot Addr: 0 Bytes
*** Warning - bad CRC or eMMC, using default environment
Boot Env on eMMC
Env Offset: 0x00100000
Env Size: 0x00010000
Env Range: 0x00010000
SDK Version: HiSTBAndroidV500R001C01CP0002_v2014070614
[Android_Main,34] begin
[sw_set_gpio,85] ok
[sw_ptable_init,66] begin
partition addr : [0x200000]
[swfastboot_flash_read,31]BaseAddress:0x200000, DataSize:0x100000, offset:0x0, b ytes:0xa10
[sw_ptable_check,176]cksum [0x6c94], ptable->checksum[0x6c94]
[sw_ptable_init,79] data at 0x200000 is ok
0 fastboot 0x00000000 0x00200000
1 partition 0x00200000 0x00200000
2 recovery 0x00400000 0x01000000
3 deviceinfo 0x01400000 0x00200000
4 baseparam 0x01600000 0x00800000
5 pqparam 0x01E00000 0x00800000
6 logo 0x02600000 0x00800000
7 fastplay 0x02E00000 0x02800000
8 boot 0x05600000 0x01000000
9 misc 0x06600000 0x00200000
10 system 0x06800000 0x27000000
11 cache 0x2D800000 0x19000000
12 backup 0x46800000 0x19000000
13 swdb 0x5F800000 0x03000000
14 userdata 0x62800000 0x80000000
ptable info:2M(fastboot),2M(partition),16M(recovery),2M(deviceinfo),8M(baseparam ),8M(pqparam),8M(logo),40M(fastplay),16M(boot),2M(misc),624M(system),400M(cache) ,400M(backup),48M(swdb),2048M(userdata)
[sw_ptable_init,104] ok
[sw_devinfo_init,25] begin
deviceinfo addr : [0x01400000]
[swfastboot_flash_read,31]BaseAddress:0x1400000, DataSize:0x100000, offset:0x0, bytes:0x514
[sw_devinfo_check,166] start...
[sw_devinfo_check,184] ok,checksum:0x9aad
[sw_devinfo_init,44] data at 0x1400000 is ok
[0] count:[4] name:[serialno] value:[xxxxxxxxxxxxxxxx]
[1] count:[4] name:[mac] value:[00:03:63:f4:33:12]
[2] count:[4] name:[standard] value:[1080i_50Hz]
[3] count:[4] name:[secureline] value:[20100]
[sw_devinfo_init,71] ok
[swfastboot_flash_read,31]BaseAddress:0x6600000, DataSize:0x100000, offset:0x0, bytes:0x10000
boot normal!!!
[swfastboot_flash_read,31]BaseAddress:0x5602000, DataSize:0x100000, offset:0x0, bytes:0x2000
use boot cmdline,disable serial, cmdline:[mem=1G console=NULL,115200 blkdevparts =mmcblk0:]
bootargs:[mem=1G console=NULL,115200 blkdevparts=mmcblk0:2M(fastboot),2M(partiti on),16M(recovery),2M(deviceinfo),8M(baseparam),8M(pqparam),8M(logo),40M(fastplay ),16M(boot),2M(misc),624M(system),400M(cache),400M(backup),48M(swdb),2048M(userd ata) androidboot.mac=00:03:63:f4:33:12 androidboot.standard=1080i_50Hz androidbo ot.serialno=xxxxxxxxxxxxxxx]
authenticat kernel begin
CA_GetFlashImgInfoByAddr,683: Img has already be encrypted
CA_GetFlashImgInfoByAddr,689: Magic number check right
CA_FlashAuthenticateByAddr,898: CA_FlashAuthenticateByAddr 0x5600000 successe d
offset = 0x5600000 KernelImgInDDRAddress = 0x4002000bootimg now: bootm 4002000
[Android_Main,52] ok
stDispParam.enFormat = 6
sw_EdidAll[0] = 10
sw_EdidAll[1] = 5
sw_EdidAll[2] = 9
sw_EdidAll[3] = 8
sw_EdidAll[4] = 7
sw_EdidAll[5] = 6
sw_EdidAll[6] = 5
sw_EdidAll[7] = 1
sw_EdidAll[8] = 0
sw_EdidAll[9] = 101
use baseparam format [6]
Reserve Memory
Start Addr: 0xFFFF000
Bound Addr: 0x8D3B000
Free Addr: 0xF2FA000
Alloc Block: Addr Size
0xF2FA000 8192
0xF2FD000 2764800
0xF5A1000 3686400
0xF926000 1658880
0xFABC000 3686400
0xFE41000 12288
0xFE45000 1048576
0xFF46000 212992
0xFF7B000 8192
0xFF7E000 524288
Press Ctrl+C to stop autoboot
Found Initrd at 0x04E00000 (Size 535422 Bytes), align at 2048 Bytes
## Booting kernel from Legacy Image at 04002800 ...
Image Name: Linux-3.10.0_s40
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 8925824 Bytes = 8.5 MiB
Load Address: 02000000
Entry Point: 02000000
Loading Kernel Image ... OK
OK
Starting kernel ...
Uncompressing Linux... done, booting the kernel.
答案 0 :(得分:5)
所以我要做的是将为ARM设备编译的linux副本加载到sd卡上...
与x86不同,没有一个Linux内核的构建可以在所有“ ARM设备”上执行。
较旧的ARM Linux内核(即设备前树)已针对每种SoC /板版本进行了配置和构建。
可以为一个或多个SoC构建现代的ARM Linux内核,并且使用设备树blob引导内核以描述所使用的板。
您没有提供任何详细信息来表明您拥有的内核是否足以启动“ ARM设备”。
现在的问题是,我告诉U-boot在vmlinuz linux内核中启动哪个内存位置?
ARM Linux应该使用 zImage 文件而不是 vmlinuz 文件启动。
设备上物理RAM的起始地址是什么?
约定是ARM Linux内核将在物理RAM的基础上执行,偏移量为0x8000(32K)。有关更多详细信息,请参见this answer。
zImage 文件是自解压的,可以(通过SD卡中的U-Boot)加载到内核加载/执行地址上方的任何合适的内存地址中(同时留出空间以供存储)。 DT blob,而不是破坏性的U-Boot)。
或者指出一些资源也很好。
尝试拉塞尔·金(Russel King)的Booting ARM Linux和文森特·桑德斯(Vincent Sanders)的Booting ARM Linux。