• Undefined instruction exception
    Hello We are using ARM Toolset , Toolchain MDK-ARM Professional Version 5.21a and Device is LPC2388. We are trying to create a "undefined instruction exception" on a "BL" instruction in the thumb...
  • ARM instruction set pseudo instructions
    Does anyone know if there is a list of ARM instruction set pseudo instructions? Or better yet, an instruction list like PPC's, where there is a list of 'true instructions' with mnemonics and another list...
  • What's wrong when watchpoint doesn't watch?
    I've been trying to get a watchpoint to trigger, but no luck. There should be 4 watchpoints accordíng to DBGDIDR, DBGDSCR=0x0204000e, so there shouldn't be any problems there? I use (just in case) the...
  • LDR Instruction
    Note: This was originally posted on 5th November 2008 at http://forums.arm.com Hi all,         I am new to the thumb-2 instruction set. In one of my sample code I noticed a instruction          LDR r0...
  • WFI Instruction
    Hi, I want to use the wfi instruction in my code. I'm sending a command to a module and wait for the reply. I have configured UART communication with the module. Will it be good to use wfi() instruction...