luke8086 / Boot2c
A simple way to write standalone C programs for i386
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Programming Languages
c
50402 projects - #5 most used programming language
Introduction
See the corresponding blog post
Prerequisites
- Clang or GCC (with support for i386 targets)
- GNU binutils
- QEMU / Bochs (for testing and debugging)
- A PC supporting USB boot in BIOS ("legacy") mode
- A spare USB disk / SD card
Note for Mac users: clang in the latest XCode doesn't support i386, and homebrew's binutils doesn't include GNU ld. I recommend installing MacPorts and their i386-elf-gcc & i386-elf-binutils packages, and updating Makefile accordingly
Compiling:
$ make
Testing in emulators:
$ make qemu APP=snake
$ make bochs APP=hexview
Installing on a USB disk / SD card:
Be careful to pick the right device, this will destroy your data!
$ make disk APP=hello
$ sudo dd if=build/disk.img of=/dev/<USB DISK>
Screenshots
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