The printk(), panic() and kernel.h update

kernel/src/kmain.c

@@ -0,0 +1,41 @@
+#include <bootloader.h>
+#include <kernel.h>
+#include <paging.h>
+#include <serial.h>
+#include <splash.h>
+#include <system.h>
+#include <gdt.h>
+#include <isr.h>
+#include <pmm.h>
+
+__noreturn
+void _start(void) {
+	// Serial console for debugging
+	if (serial_init(COM1) < 0) panic("Failed to initialize Serial driver.");
+
+	// Load structures from bootloader
+	if (boot_init() < 0) panic("Failed to parse bootloader structures.");
+
+	// The most important function in the world.
+	splash();
+
+	// CPUID thingy :p
+	uint32_t eax = 0;
+	char s[12];
+	cpuid(&eax, (void*)&s[0], (void*)&s[8], (void*)&s[4]);
+	pr_info("[kernel] CPUID_GETVENDORID: %s\n", s);
+
+	// System init
+	if (gdt_init() < 0) panic("Failed to initalize GDT.");
+	if (isr_init() < 0) panic("Failed to initalize ISRs.");
+
+	// Memory management
+	if (pmm_init() < 0) panic("Failed to initalize Physical Memory Manager.");
+	if (pag_init() < 0) panic("Failed to initalize Paging.");
+
+	panic("Yeah..");
+
+	// Patiently wait for things to do :)
+	while (1);
+}
+