Implemented initial printk. Added multiboot support.

arch/i586-elf/multiboot.c

@@ -0,0 +1,23 @@
+#include <stdint.h>
+
+#include <multiboot.h>
+
+uint32_t multiboot_getAddress()
+{
+	uint32_t address = 0;
+	__asm__(
+		"movl %%ebx, %0;"
+		:"=r"(address)
+	);
+	return address;
+}
+
+uint32_t multiboot_getMagic()
+{
+	uint32_t magic = 0;
+	__asm__(
+		"movl %%eax, %0;"
+		:"=r"(magic)
+	);
+	return magic;
+}