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Welcome to the course_os wiki!

Building CourseOS

Issues For Ubuntu Users

Might need to install the texinfo pacakge and/or glib

texinfo: sudo apt-get install texinfo

Link to glib: glib

Building the toolchain

cd toolchain && ./build.sh

Building u-boot

cd u-boot && make

Building the kernel

cd kernel && make

Building hello

cd user/libc && make

cd user/hello && make

Running CourseOS

cd kernel && make run

VersatilePB # bootm 0x24DB0

(offset might change. Use printf "bootm 0x%X\n" $(expr $(stat -c%s ../u-boot/u-boot-2010.03/u-boot.bin) + 65536) to calculate.)

Some useful resources

ARM instruction reference

CPU used in the RPi: ARM1176 Processor ARMv6 architecture.

ARM Reference Manual

ARM Procedure Call Standard

The board we simulate with qemu: Versatile PB

QEMU's memory map for Versatile PB: versatilepb.c