JTAG debugging experience of arm bare board debugging

With a first leds.bin Take an example of JTAG Use .

Use openOCD GUI Software ,

  spot connect The message on the right will appear ,

  And then click telnet, There will be telnet window

win7 The operating system may not be able to click telnet, Then use the following command , The effect is the same , There will be telnet window .

Then you can use various commands in it

 

  use ultraedit Well leds.bin Open it and have a look ,0 The address is indeed e3a00453.

  Try again to interrupt , We want to wait Here's a break

  Take a look at disassembly ,wait Where is your address

  And let's see bp command

 

  Next interview about software breakpoints , We can see from the disassembly file 6c The current value here is ebffffe9.