ATMEL Romboot V1.01 Ads Vs Gcc

This is a comparison of the "RomBoot project for AT91RM9200DK v1.01" with its gcc port from [teest.com]

First step:

• extract files from AT91RM9200-RomBoot_v1.01.zip and move them all to the same directory (i.e. flaten directory structure)
• extract romboot.tar.gz

Compare induvidual files:

• appnote/com.c to romboot/com.cpp :
  • whitespace changes, use "diff -w"
  • removed ATMEL-Comment (warranty)
  • replaced printf by puts
  • added prefix "at91_dbgu_" to "putc" and "getc"
  • removed two (printf?) headers and global vars
  • changed one header path (<> to "")
• appnote/com.h romboot/com.h
  • added at91_dbgu_* decls.
  • removed one type definition
• appnote/at45.c to romboot/at45.cpp
  • changed two header paths (<> to "")
  • added one header
• appnote/asm_isr.s romboot/asm_isr.S
  • removed ATMEL-Comment (warranty)
  • changed some asm-syntax to cpp-syntax
    • "INCLUDE ..." -> "#include <,,,>"
    • "a equ b" -> "#define a b"
    • comment ";- ..." -> "/* ... */"
  • removed some else-paths in conditional compilation
  • manually expanded (and removed) macros IRQ_ENTRY and IRQ_EXIT
• appnote/cstartup_ads.s romboot/cstartup_ram.S
  • changed some asm-syntax to cpp-syntax
  • ... ?
• appnote/init.c romboot/init.cpp
  • changed two header paths (<> to "")
  • add extern "C" to function
  • fix comment typo
  • additional Init: Enable PIO to access the LEDs
  • remove one debugoutput
• appnote/dataflash.c romboot/dataflash.cpp
  • changed headers (=includes)
• appnote/dataflash.h romboot/dataflash.h
  • identical
• appnote/embedded_services.h romboot/embedded_services.h
  • identical
• appnote/main.h romboot/main.h
  • identical, except for newline at end of file
• appnote/main.c romboot/main.cpp
  • whitespace changes, use "diff -w"
  • removed 3 headers
  • changed 3 header paths (<> to "")
  • add extern "C" to functions
  • changed inline asm syntax
  • remove fopen of stdin and stdout
  • other clock constants
  • add user menu "4: Clear bootloader section in Dataflash" and correspending action
  • change bootdelay from 3s to 1s
  • other minor changes
• appnote/jump.s romboot/jump.S
  • removed ATMEL-Comment
  • adapt asm syntax (linker segement, or so)
• only in appnote:
  • retarget.c
  • image001.png
  • image002.jpg
  • filelist.xml
  • romBoot.axf
  • romBoot.mcp
  • CWSettingsWindows.stg
  • main.html
• only in romboot:
  • _udivsi3.S
  • _umodsi3.S
  • stdio.cpp
  • stdio.h
  • div0.c
  • include/AT91RM9200.h
  • include/AT91RM9200_inc.h
  • include/lib_AT91RM9200.h
  • elf32-littlearm.lds
    • linker script
  • compile
    • build script
  • romboot.bin
    • elf of compiled binary
    • compilation intermediate file
  • romboot.lss
    • compiled binary metafile
• appnote/RomBoot.bin romboot/romboot.bin
  • differ, of course
  • are the compiled binaries