diff options
Diffstat (limited to 'src/init/main.c')
-rw-r--r-- | src/init/main.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/init/main.c b/src/init/main.c index 6c4ccc3..fda68b7 100644 --- a/src/init/main.c +++ b/src/init/main.c @@ -1,15 +1,23 @@ +#include <kernel/syscalls.h> +#include <stddef.h> #include <stdint.h> int _syscall(int, int, int, int); +int debuglog(const char *msg, size_t len) { + return _syscall(SC_DEBUGLOG, (void*)msg, len, 0); +} + + int main() { - uint8_t color = _syscall(1, 2, 3, 4); + debuglog("hello from init! ", + sizeof("hello from init! ") - 1); // 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] = color; + vga[(i << 1) + 1] = 0x4e; // try to mess with kernel memory uint8_t *kernel = (void*) 0x100000; |