1\启动ok6410 进入uboot命令行

２＼启动JLinkGDBServer -device ARM11

3\arm-none-eabi-gdb u-boot

初始化脚本

# Connect to the J-Link GDBServer
target remote localhost:2331
# Set JTAG speed to 30 kHz
monitor endian little
monitor speed 30
# Reset the target
monitor reset
monitor sleep 10
#
# CPU core initialization
#
# Set the processor to service mode
monitor reg cpsr = 0xd3
# Config MMU
# Flush v3/v4 cache
monitor cp15 7, 7, 0, 0 = 0x0
monitor cp15 8, 7, 0, 0 = 0x0
# Disable MMU stuff and caches
monitor cp15 1, 0, 0, 0 =0x1002
# Peri port setup
monitor cp15 15, 2, 0, 4 = 0x70000013
# Disable watchdog
monitor MemU32 0x7e004000 = 0x00000000
monitor sleep 10
# Disable interrupt
monitor MemU32 0x71200014 = 0xffffffff
monitor MemU32 0x71300014 = 0xffffffff
monitor MemU32 0x7120000C = 0x00000000
monitor MemU32 0x7130000C = 0x00000000
monitor MemU32 0x71200F00 = 0x00000000
monitor MemU32 0x71300F00 = 0x00000000
# Set clock
monitor MemU32 0x7e00f900 = 0x000080de
monitor MemU32 0x7e00f000 = 0x0000ffff
monitor MemU32 0x7e00f004 = 0x0000ffff
monitor MemU32 0x7e00f008 = 0x0000ffff
monitor MemU32 0x7e00f028 = 0x00300000
monitor MemU32 0x7e00f020 = 0x01043310
monitor MemU32 0x7e00f00C = 0x810a0301
monitor MemU32 0x7e00f010 = 0x810a0301
monitor MemU32 0x7e00f014 = 0x80200102
monitor MemU32 0x7e00f018 = 0x00000000
monitor MemU32 0x7e00f01c = 0x00000007
monitor sleep 1
# UART Init
monitor MemU32 0x7f008000 = 0x00220022
monitor memU32 0x7f008020 = 0x00002222
monitor memU32 0x7f005008 = 0x00000000
monitor memU32 0x7f00500c = 0x00000000
monitor memU32 0x7f005000 = 0x00000003
monitor memU32 0x7f005004 = 0x00000e45
monitor memU32 0x7f005028 = 0x00000033
monitor memU32 0x7f00502c = 0x0000dfdd
monitor memU32 0x7f005020 = 0x4f4f4f4f
monitor memU32 0x7f005020 = 0x4b4b4b4b

# Config Mobile DDR SDRAM
monitor MemU32 0x7e00f120 = 0x0000000d
monitor MemU32 0x7e001004 = 0x00000004
monitor MemU32 0x7e001010 = 0x0000040f
monitor MemU32 0x7e001014 = 0x00000006
monitor MemU32 0x7e001018 = 0x00000001
monitor MemU32 0x7e00101c = 0x00000002
monitor MemU32 0x7e001020 = 0x00000006
monitor MemU32 0x7e001024 = 0x0000000a
monitor MemU32 0x7e001028 = 0x0000000c
monitor MemU32 0x7e00102c = 0x0000010b
monitor MemU32 0x7e001030 = 0x0000000c
monitor MemU32 0x7e001034 = 0x00000002
monitor MemU32 0x7e001038 = 0x00000002
monitor MemU32 0x7e00103c = 0x00000002
monitor MemU32 0x7e001040 = 0x00000002
monitor MemU32 0x7e001044 = 0x00000010
monitor MemU32 0x7e001048 = 0x00000010
monitor MemU32 0x7e00100C = 0x0001001a
monitor MemU32 0x7e00104C = 0x00000b45
monitor MemU32 0x7e001200 = 0x000150f0
monitor MemU32 0x7e001304 = 0x00000000
monitor MemU32 0x7e001008 = 0x000c0000
monitor MemU32 0x7e001008 = 0x00000000
monitor MemU32 0x7e001008 = 0x00040000
monitor MemU32 0x7e001008 = 0x00040000
monitor MemU32 0x7e001008 = 0x000a0000
monitor MemU32 0x7e001008 = 0x00080032
monitor MemU32 0x7e001004 = 0x00000000
# Setup GDB for faster downloads
#set remote memory-write-packet-size 1024
set remote memory-write-packet-size 4096
set remote memory-write-packet-size fixed

然后下面单行输入

monitor speed 6000

b start_armboot

load

continue

上电之后第一次可能无法进入断点，然后退出arm-none-eabi-gdb，重新进入arm-none-eabi-gdb 重新初始化

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