JLINK v8命令集

JLINK v8命令集
Available commands are:

有效的命令如下：

（本人简单翻译了一下如有错误还请指出，谢谢各位网友）
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f          Firmware info（显示固件信息）

h          halt（暂停CPU）
g          go（运行）
Sleep      Waits the given time (in milliseconds). Syntax: Sleep （睡眠多少毫秒）
s          Single step the target chip（单步调试目标芯片）
st         Show hardware status（显示硬件状态）
hwinfo     Show hardware info（显示硬件信息）
mem        Read memory. Syntax: mem  , (hex)（读内存）
mem8       Read  8-bit items. Syntax: mem8  , (hex)（读内存8字节）
mem16      Read 16-bit items. Syntax: mem16 , (hex)mem32      Read 32-bit items. Syntax: mem32 , (hex)
w1         Write  8-bit items. Syntax: w1 , (hex)（写内存8字节）
w2         Write 16-bit items. Syntax: w2 , (hex)（读内存16字节）
w4         Write 32-bit items. Syntax: w4 , (hex)（读内存32字节）
wm         Write test words. Syntax: wm
is         Identify length of scan chain select register
ms         Measure length of scan chain. Syntax: ms
mr         Measure RTCK react time. Syntax: mr
q          Quit（推出）
qc         Close JLink connection and quit（关闭jlink连接，并退出）
r          Reset target         (RESET)（重启目标）
rx         Reset target         (RESET). Syntax: rx （延时重启）
RSetType   Set the current reset type. Syntax: RSetType
Regs       Display contents of registers（显示寄存器信息）
wreg       Write register.   Syntax: wreg , （写继承器）
SetBP      Set breakpoint.   Syntax: SetBP [A/T] [S/H]（设置断点）
SetWP      Set Watchpoint. Syntax: [R/W] [ [] [A-Mask]]（设置监视点）
ClrBP      Clear breakpoint. Syntax: ClrBP  （清除断点）
ClrWP      Clear watchpoint. Syntax: ClrWP  （清楚监视点）
VCatch     Write vector catch. Syntax: VCatch
loadbin    Load binary file into target memory.（下载bin文件到目标内存）
             Syntax: loadbin ,
savebin    Saves target memory into binary file.（保存BIN文件）
             Syntax: savebin , ,
SetPC      Set the PC to specified value. Syntax: SetPC （设置PC（r15）寄存器）
le         Change to little endian mode（设置成小端模式）
be         Change to big endian mode（设置成大端模式）
log        Enables log to file.  Syntax: log
unlock     Unlocks a device. Syntax: unlock
           Type unlock without to get a list
           of supported device names.
           nRESET has to be connected
---- CP15 ------------
rce        Read CP15.  Syntax: rce , , , （读CP15）
wce        Write CP15. Syntax: wce , , , , (写CP15)
---- ICE -------------
Ice        Show state of the embedded ice macrocell (ICE breaker)
ri         Read Ice reg.  Syntax: ri (hex)
wi         Write Ice reg. Syntax: wi , (hex)
---- ETM -------------
etm        Show ETM status
re         Read ETM reg.  Syntax: re
we         Write ETM reg. Syntax: we , (hex)
es         Start trace
---- ETB -------------
etb        Show ETB status
rb         Read ETB register.  Syntax: rb
wb         Write ETB register. Syntax: wb , (hex)
---- TRACE -----------
TAddBranch TRACE - Add branch instruction to trace buffer. Paras:,
TAddInst   TRACE - Add (non-branch) instruction to trace buffer. Syntax:
TClear     TRACE - Clear buffer
TSetSize   TRACE - Set Size of trace buffer
TSetFormat TRACE - SetFormat
TSR        TRACE - Show Regions (and analyze trace buffer)
TStart     TRACE - Start
TStop      TRACE - Stop
---- SWO -------------
SWOSpeed   SWO - Show supported speeds
SWOStart   SWO - Start
SWOStop    SWO - Stop
SWOStat    SWO - Display SWO status
SWORead    SWO - Read and display SWO data
SWOShow    SWO - Read and analyze SWO data
SWOFlush   SWO - Flush data
---- File I/O --------
fwrite     Write file to emulator
fread      Read file from emulator
fshow      Read and display file from emulator
fdelete    Delete file on emulator
fsize      Display size of file on emulator
---- Test ------------
thg        Run go/halt 1000 times
ts         Run step 1000 times
testwspeed Test download speed.   Syntax: testwspeed [ []]
testrspeed Test upload speed.     Syntax: testrspeed [ [] [ s>]]
testcspeed Test CPU speed.        Syntax: testcspeed []
---- JTAG ------------
Config     Set number of IR/DR bits before ARM device.
             Syntax: Config ,
speed      Set JTAG speed. Syntax: speed |auto|adaptive, e.g. speed 2000,
speed a
i          Read JTAG Id (Host CPU)
wjc        Write JTAG command (IR). Syntax: wjc (hex)
wjd        Write JTAG data (DR). Syntax: wjd (hex), (dec)
RTAP       Reset TAP Controller using state machine (111110)
wjraw      Write Raw JTAG data. Syntax: wjraw , ,
rt         Reset TAP Controller (nTRST)
---- JTAG-Hardware ---
c00        Create clock with TDI = TMS = 0
c          Clock
0          Clear TDI
1          Set   TDI
t0         Clear TMS
t1         Set   TMS
trst0      Clear TRST
trst1      Set   TRST
r0         Clear RESET
r1         Set   RESET
---- Connection ------
usb        Connect to J-Link via USB.  Syntax: usb , where port is 0..3
ip         Connect to J-Link ARM Pro or J-Link TCP/IP Server via TCP/IP.
           Syntax: ip
---- Configuration ---
si         Select target interface. Syntax: si ,
           where 0=JTAG and 1=SWD.
power      Switch power supply for target. Syntax: power [perm],
           where State is either On or Off. Example: power on perm
wconf      Write configuration byte. Syntax: wconf ,
rconf      Read configuration bytes. Syntax: rconf
usbaddr    Assign usb address to the connected J-Link: Syntax: usbaddr =
ipaddr     Show/Assign IP address and subnetmask of/to the connected J-Link.
gwaddr     Show/Assign network gateway address of/to the connected J-Link.
dnsaddr    Show/Assign network DNS server address of/to the connected J-Link.
conf       Show configuration of the connected J-Link.
ecp        Enable the  J-Link control panel.
calibrate  Calibrate the target current measurement.
selemu     Select a emulator to communicate with,
           from a list of all emulators which are connected to the host
           The interfaces to search on, can be specified
             Syntax: selemu [ ...]
ShowEmuList Shows a list of all emulators which are connected to the host.
            The interfaces to search on, can be specified.
             Syntax: ShowEmuList [ ...]
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NOTE: Specifying a filename in command line
will start J-Link Commander in script mode.

几个常用命令：

  usb--------连接目标板
  r----------重启目标板
  halt-------停止cpu运行的程序
  loadbin----加载可执行的二进制文件
  g----------跳到代码段地址执行
  s----------单步执行（调试用）
  setpc-----设置pc寄存器的值（调试用）
  setbp-----设置断点
  Regs-------读寄存器组织
  wreg-------写寄存器
  mem--------读内存
  w4---------写内存
  power off mmu---关闭mmu，这个对于裸板调试很重要
  w4 cpsr,0x0000001f------切换到系统模式
  speed------设置jtag的传输速率
  rce 0,c0,c0,0-----设置cp15寄存器的第1个寄存器为0