ok641在eclipse下jlink SDRAM中调试

现在在sdram中偶尔成功调试代码



gdbinit初始化代码在网上找的参考：（现在这个设置10次能有两次成功，可能需要修改某些项设置才能完全正确）

# 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 MemU32 0x7e004000
monitor sleep 10
# Disable interrupt
monitor MemU32 0x71200014 = 0xffffffff// 和参考不一样，别的地方应该也有需要改的
monitor MemU32 0x71200014
monitor MemU32 0x71300014 = 0xffffffff
monitor MemU32 0x71300014
monitor MemU32 0x7120001C = 0xffffffff
monitor MemU32 0x7130001C = 0xffffffff
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 = 0x80200201
Monitor MemU32 0x7e00f018 = 0x00000000
Monitor MemU32 0x7e00f01c = 0x00002007
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 0x7f00502c = 0x00001fff
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
monitor speed 12000
load
monitor go