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My Hobby x86-64 OS kernel. My Hobby x86-64 OS kernel.
# Building # Building
## Environment ### Environment
Any Linux distribution / Bash for Windows + GCC cross compiler. 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: To compile the kernel, the following modules are required on linux system, please install these:
nasm, xorriso, grub-common, grub-pc-bin nasm, xorriso, grub-common, grub-pc-bin
## Cross-compiler ### Cross-compiler
### Method 1 - Compile one yourself. ##### Method 1 - Compile one yourself.
Just follow the instructions here: https://wiki.osdev.org/GCC_Cross-Compiler 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. 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. Here is my precompiled cross compiler. Feel free to use it.
VERSION: GCC 7.3 + Binutils 2.30 VERSION: GCC 7.3 + Binutils 2.30
HOST: x86_64-pc-linux-gnu HOST: x86_64-pc-linux-gnu
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2. Run "tar -xvf cross.tar.gz -C $HOME/opt/cross" 2. Run "tar -xvf cross.tar.gz -C $HOME/opt/cross"
## Compiling ### Compiling
Run "make all" in the root directory 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. The makefile generates secxkrnl.iso (kernel image), secxkrnl.elf(kernel executable), secxkrnl.dmp(kernel disassembly) at the end.