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请问，从哪里修改uboot阶段自动执行的指令？
我用的是GK7205V300的芯片；
如上图所示，我想修改“bootcmd=nand read 0x40002000 0x100000 0x400000;bootm 0x40002000”这一行，
但是不知道在sdk的哪个目录的哪个文件里修改，
请教下
grep -nr “nand read” gk7205/GKIPCLinuxV100R001C00SPC030/configs/
gk7205/GKIPCLinuxV100R001C00SPC030/configs/gk7205v200/prebuilts/nand_bootargs.txt:7:bootcmd=nand read 0x1000000 0x2000000 0x800000;bootm 0x1000000
gk7205/GKIPCLinuxV100R001C00SPC030/configs/gk7202v300/prebuilts/nand_bootargs.txt:7:bootcmd=nand read 0x1000000 0x2000000 0x800000;bootm 0x1000000
gk7205/GKIPCLinuxV100R001C00SPC030/configs/gk7205v300/prebuilts/nand_bootargs.txt:7:bootcmd=nand read 0x1000000 0x2000000 0x800000;bootm 0x1000000
gk7205/GKIPCLinuxV100R001C00SPC030/configs/gk7605v100/prebuilts/nand_bootargs.txt:7:bootcmd=nand read 0x1000000 0x2000000 0x800000;bootm 0x1000000
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