J-link命令集


Available commands are:
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f          Firmware info
h          halt
g          go
Sleep      Waits the given time (in milliseconds). Syntax: Sleep <delay>
s          Single step the target chip
st        Show hardware status
hwinfo    Show hardware info
sort of link什么意思mem        Read memory.          Syntax: mem  <Addr>, <NumBytes> (hex)
w1        Write  8-bit items. Syntax: w1 <Addr>, <Data> (hex)
w2        Write 16-bit items. Syntax: w2 <Addr>, <Data> (hex)
w4        Write 32-bit items. Syntax: w4 <Addr>, <Data> (hex)
wm        Write test words. Syntax: wm <NumWords>
is        Identify length of scan chain select register
ms        Measure length of scan chain. Syntax: ms <Scan chain>
mr        Measure RTCK react time. Syntax: mr
q          Quit
qc        Close JLink connection and quit
r          Reset target        (RESET)
rx        Reset target        (RESET). Syntax: rx <DelayAfterReset>
RSetType  Set the current reset type. Syntax: RSetType <type>
Regs      Display contents of registers
wreg      Write register.  Syntax: wreg <RegName>, <Value>
SetBP      Set breakpoint.  Syntax: SetBP <addr> [A/T] [S/H]
SetWP      Set Watchpoint. Syntax: <Addr> [R/W] [<Data> [<D-Mask>] [A-Mask]]
ClrBP      Clear breakpoint. Syntax: ClrBP  <BP_Handle>
ClrWP      Clear watchpoint. Syntax: ClrWP  <WP_Handle>
VCatch    Write vector catch. Syntax: VCatch <Value>
loadbin    Load binary file into target memory.
            Syntax: loadbin <filename>, <addr>
SetPC      Set the PC to specified value. Syntax: SetPC <Addr>
le        Change to little endian mode
be        Change to big endian mode
log        Enables log to file.  Syntax: log <filename>
unlock    Unlocks a device. Syntax: unlock <DeviceName>
          Type unlock without <DeviceName> to get a list
          of supported device names.
          nRESET has to be connected
---- CP15 ------------
rce        Read CP15.  Syntax: rce <Op1>, <CRn>, <CRm>, <Op2>
wce        Write CP15. Syntax: wce <Op1>, <CRn>, <CRm>, <Op2>, <Data>
---- ICE -------------
Ice        Show state of the embedded ice macrocell (ICE breaker)
ri        Read Ice reg.  Syntax: ri <RegIndex>(hex)
wi        Write Ice reg. Syntax: wi <RegIndex>, <Data>(hex)
---- ETM -------------
etm        Show ETM status
re        Read ETM reg.  Syntax: re <RegIndex>
we        Write ETM reg. Syntax: we <RegIndex>, <Data>(hex)
es        Start trace
-
--- ETB -------------
etb        Show ETB status
rb        Read ETB register.  Syntax: rb <RegIndex>
wb        Write ETB register. Syntax: wb <RegIndex>, <Data>(hex)
---- TRACE -----------
TAddBranch TRACE - Add branch instruction to trace buffer. Paras:<Addr>,<BAddr>
TAddInst  TRACE - Add (non-branch) instruction to trace buffer. Syntax: <Addr>
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 [<Addr> [<Size>]]
testrspeed Test upload speed.    Syntax: testrspeed [<Addr> [<Size>] [<NumBlock
s>]]
testcspeed Test CPU speed.        Syntax: testcspeed [<RAMAddr>]
---- JTAG ------------
Config    Set number of IR/DR bits before ARM device.
            Syntax: Config <IRpre>, <DRpre>
speed      Set JTAG speed. Syntax: speed <freq>|auto|adaptive, e.g. speed 2000,
speed a
i          Read JTAG Id (Host CPU)
wjc        Write JTAG command (IR). Syntax: wjc <Data>(hex)
wjd        Write JTAG data (DR). Syntax: wjd <Data32>(hex), <NumBits>(dec)
RTAP      Reset TAP Controller using state machine (111110)
wjraw      Write Raw JTAG data. Syntax: wjraw <NumBits(dec)>, <tms>, <tdi>
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 <port>, where port is 0..3
ip        Connect to J-Link ARM Pro or J-Link TCP/IP Server via TCP/IP.
          Syntax: ip <ip_addr>
-
--- Configuration ---
si        Select target interface. Syntax: si <Interface>,
          where 0=JTAG and 1=SWD.
power      Switch power supply for target. Syntax: power <State> [perm],
          where State is either On or Off. Example: power on perm
wconf      Write configuration byte. Syntax: wconf <offset>, <data>
rconf      Read configuration bytes. Syntax: rconf
usbaddr    Assign usb address to the connected J-Link: Syntax: usbaddr = <addr>
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.
----------------------
NOTE: Specifying a filename in command line
will start J-Link Commander in script mode.
J-Link>

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