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My Hobby x86-64 OS kernel.
# Building
## Environment
### Environment
Any Linux distribution / Bash for Windows + GCC cross compiler.
## Required packages
### Required packages
To compile the kernel, the following modules are required on linux system, please install these:
nasm, xorriso, grub-common, grub-pc-bin
## Cross-compiler
### Method 1 - Compile one yourself.
### Cross-compiler
##### Method 1 - Compile one yourself.
Just follow the instructions here: https://wiki.osdev.org/GCC_Cross-Compiler
Remember to set the "TARGET" to x86_64-elf instead of i686-elf and build libgcc without redzone https://wiki.osdev.org/Libgcc_without_red_zone.
### Method 2 - Precompiled binaries
##### Method 2 - Precompiled binaries
Here is my precompiled cross compiler. Feel free to use it.
VERSION: GCC 7.3 + Binutils 2.30
HOST: x86_64-pc-linux-gnu
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2. Run "tar -xvf cross.tar.gz -C $HOME/opt/cross"
## Compiling
### Compiling
Run "make all" in the root directory
The makefile generates secxkrnl.iso (kernel image), secxkrnl.elf(kernel executable), secxkrnl.dmp(kernel disassembly) at the end.