doc/README.bedbug

   1 BEDBUG Support for U-Boot
   2 --------------------------
   3
   4 These changes implement the bedbug (emBEDded deBUGger) debugger in U-Boot.
   5
   6 #####################
   7 ### Modifications ###
   8 #####################
   9
  10 ./common/Makefile
  11         Included cmd_bedbug.c and bedbug.c in the Makefile.
  12
  13 ./common/board.c
  14         Added call to initialize debugger on startup.
  15
  16 ./include/ppc_asm.tmpl
  17         Added code to handle critical exceptions
  18
  19 #################
  20 ### New Stuff ###
  21 #################
  22
  23 ./include/bedbug/ppc.h
  24 ./include/bedbug/regs.h
  25 ./include/bedbug/bedbug.h
  26 ./include/bedbug/elf.h          [obsoleted by new include/elf.h]
  27 ./include/bedbug/tables.h
  28 ./include/cmd_bedbug.h
  29 ./common/cmd_bedbug.c
  30 ./common/bedbug.c
  31         Bedbug library includes code for assembling and disassembling
  32         PowerPC instructions to/from memory as well as handling
  33         hardware breakpoints and stepping through code.  These
  34         routines are common to all PowerPC processors.
  35
  36 Bedbug support for the MPC860
  37 -----------------------------
  38
  39 Changes:
  40
  41         common/cmd_bedbug.c
  42                 Added call to initialize 860 debugger.
  43
  44         arch/powerpc/cpu/mpc8xx/Makefile
  45                 Added new file "bedbug_860.c" to the makefile
  46
  47         arch/powerpc/cpu/mpc8xx/start.S
  48                 Added handler for InstructionBreakpoint (0xfd00)
  49
  50         arch/powerpc/cpu/mpc8xx/traps.c
  51                 Added new routine DebugException()
  52
  53 New Files:
  54
  55         arch/powerpc/cpu/mpc8xx/bedbug_860.c
  56                 CPU-specific routines for 860 debug registers.