From c6882778696fe40b799887d35ec3f4b48792abaf Mon Sep 17 00:00:00 2001 From: Carlos Maiolino Date: Sun, 20 Jul 2025 14:38:22 +0200 Subject: Add kernel.c Create the kernel.c file and its initial start_kernel(), and jump to it from the ASM. Also setup the build system to actually build it Signed-off-by: Carlos Maiolino --- src/include/kernel.h | 6 ++++++ src/kernel.asm | 3 +++ src/kernel.c | 6 ++++++ 3 files changed, 15 insertions(+) create mode 100644 src/include/kernel.h create mode 100644 src/kernel.c (limited to 'src') diff --git a/src/include/kernel.h b/src/include/kernel.h new file mode 100644 index 0000000..2007693 --- /dev/null +++ b/src/include/kernel.h @@ -0,0 +1,6 @@ +#ifndef KERNEL_H +#define KERNEL_H + +void kernel_main(); + +#endif /* KERNEL_H */ diff --git a/src/kernel.asm b/src/kernel.asm index 6d2779a..252fd7b 100644 --- a/src/kernel.asm +++ b/src/kernel.asm @@ -1,5 +1,6 @@ [BITS 32] global _start +extern start_kernel CODE_SEG equ 0x08 DATA_SEG equ 0x10 @@ -23,6 +24,8 @@ _start: or al, 2 out 0x92, al + ; Jump to C code + call start_kernel jmp $ ; Hack to align the source code at 16bytes (because 512 is a multiple of 16) diff --git a/src/kernel.c b/src/kernel.c new file mode 100644 index 0000000..d39aac5 --- /dev/null +++ b/src/kernel.c @@ -0,0 +1,6 @@ +#include + +void start_kernel() + +{ +} -- cgit v1.2.3