Write vsnprintf() implementation

kernel/src/kernel.c

@@ -1,4 +1,4 @@
-#include <multiboot.h>
+#include <bootloader.h>
 #include <kernel.h>
 #include <serial.h>
 #include <pmm.h>
@@ -6,43 +6,30 @@
 
 #define _hlt()	while (1) __asm__ volatile ("cli; hlt");
 
-char* itoa(uint8_t n) {
-	static char str[32];
-	int i = sizeof(str) - 2;
-	while (n) {
-		str[i--] = (n % 10) + '0';
-		n /= 10;
-	}
-	str[sizeof(str) - 1] = '\0';
-	return &str[i+1];
-}
-
 __noreturn
-void kmain(void* ptr) {
-	multiboot_info_t* mbi = ptr;
+void kmain(void* ptr, uint32_t magic) {
+	// Init with MultiBoot 1, this populates the global bootloader struct
+	//if (boot_init(BOOT_MB1, ptr, magic) != 0) panic("Unsupporred bootloader.");
 
 	// Serial console for debugging
 	serial_init(COM1);
 	serial_puts(COM1, "\x1b[0H\x1b[Jkern.\n");
 
-	// Check if we have a valid memmap
-	if (!(mbi->flags >> 6 & 1)) {
-		panic("Invalid memory map.");
-	}
-
 	// VGA tty thingy
 	tty_init();
-	tty_puts("kern.");
+	tty_puts("kern.\n\n");
 
 	// Memory manager init
 	// pmm_init();
 	// vmm_init();
 
-	// x86 shit
 	// gdt_init();
 	// isr_init();
+	// pag_init();
+
+	debugf("Basic initialization complete!\n");
 	
-	/* TODO: Commeted out stuff */
+	/* TODO: Commented out stuff */
 
 	panic("kmain() reached end.");
 }