jLink（v8）GDB 命令总结

Example

     > monitor setargs test 0 1 2 arg0=4

     < Arguments: test 0 1 2 arg0=4

3.3.3.24 setbp

Syntax

setbp <Addr> [<Mask>]

Description

Sets an instruction breakpoint at the given address, where <Mask> can be 0x03 for ARM instruction breakpoints (Instruction width 4 Byte, mask out lower 2 bits) or 0x01 for THUMB instruction breakpoints (Instruction width 2 Byte, mask out lower bit). If no mask is given, an ARM instruction breakpoint will be set.

Example

     #Set a breakpoint (implicit for ARM instructions)

     > monitor setbp 0x00000000

     #Set a breakpoint on a THUMB instruction

     > monitor setbp 0x00000100 0x01

3.3.3.25 sleep

Syntax

sleep <Delay>

Description

Sleeps for a given time, where <Delay> is the time period in milliseconds to delay. While sleeping any communication is blocked until the command returns after the given period.

Example

     > monitor sleep 1000

     < Sleep 1000ms

3.3.3.26 speed

Note: Deprecated. For setting the initial connection speed, use command line option -speed instead.

Syntax

speed <kHz>|auto|adaptive

Description

Sets the JTAG speed of J-Link / J-Trace. Speed can be either fixed (in kHz), automatic recognition or adaptive. In general, Adaptive is recommended if the target has an RTCK signal which is connected to the corresponding RTCK pin of the device (S-cores only). For detailed information about the different modes, refer to JTAG Speed on page 146.

The speed has to be set after selecting the interface, to change it from its default value.

Example

     > monitor speed auto

     < Select auto target interface speed (8000 kHz)

     > monitor speed 4000

     < Target interface speed set to 4000 kHz

     > monitor speed adaptive

     < Select adaptive clocking instead of fixed JTAG speed

3.3.3.27 step

Syntax

step [<NumSteps>]

or

si [<NumSteps>]

Description

Performs one or more single instruction steps, where <NumSteps> is the number of instruction steps to perform. If <NumSteps> is not specified only one instruction step will be performed.

Example

     > monitor step 3

注：SWO命令暂不使用，因为我的板子时JTAG接口。