diff options
Diffstat (limited to 'src/init')
-rw-r--r-- | src/init/linker.ld | 24 | ||||
-rw-r--r-- | src/init/main.c | 10 |
2 files changed, 34 insertions, 0 deletions
diff --git a/src/init/linker.ld b/src/init/linker.ld new file mode 100644 index 0000000..9f3f4b5 --- /dev/null +++ b/src/init/linker.ld @@ -0,0 +1,24 @@ +ENTRY(main) +OUTPUT_FORMAT("binary") + +SECTIONS +{ + . = 2M; + .text BLOCK(4K) : ALIGN(4K) + { + *(.text) + } + .rodata BLOCK(4K) : ALIGN(4K) + { + *(.rodata) + } + .data BLOCK(4K) : ALIGN(4K) + { + *(.data) + } + .bss BLOCK(4K) : ALIGN(4K) + { + *(COMMON) + *(.bss) + } +} diff --git a/src/init/main.c b/src/init/main.c new file mode 100644 index 0000000..e6188ac --- /dev/null +++ b/src/init/main.c @@ -0,0 +1,10 @@ +#include <stdint.h> + +int main() { + // change the colors of VGA text + // doesn't require a lot of code, but still shows that it's working + uint8_t *vga = (void*) 0xB8000; + for (int i = 0; i < 80 * 25; i++) + vga[(i << 1) + 1] = 0x4e; + for (;;); +} |