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BEDBUG Support for U-Boot
--------------------------
These changes implement the bedbug (emBEDded deBUGger) debugger in U-Boot.
#####################
### Modifications ###
#####################
./common/Makefile
Included cmd_bedbug.c and bedbug.c in the Makefile.
./common/board.c
Added call to initialize debugger on startup.
./include/ppc_asm.tmpl
Added code to handle critical exceptions
#################
### New Stuff ###
#################
./include/bedbug/ppc.h
./include/bedbug/regs.h
./include/bedbug/bedbug.h
./include/bedbug/elf.h [obsoleted by new include/elf.h]
./include/bedbug/tables.h
./include/cmd_bedbug.h
./common/cmd_bedbug.c
./common/bedbug.c
Bedbug library includes code for assembling and disassembling
PowerPC instructions to/from memory as well as handling
hardware breakpoints and stepping through code. These
routines are common to all PowerPC processors.
Bedbug support for the MPC860
-----------------------------
Changes:
common/cmd_bedbug.c
Added call to initialize 860 debugger.
arch/powerpc/cpu/mpc8xx/Makefile
Added new file "bedbug_860.c" to the makefile
arch/powerpc/cpu/mpc8xx/start.S
Added handler for InstructionBreakpoint (0xfd00)
arch/powerpc/cpu/mpc8xx/traps.c
Added new routine DebugException()
New Files:
arch/powerpc/cpu/mpc8xx/bedbug_860.c
CPU-specific routines for 860 debug registers.
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