implements integer printing into printf, and adds some testing logs

kernel/kmain.c

@@ -1,19 +1,20 @@
 #include <stdio.h>
 #include <stdint.h>
 
+#include <kernel/_kernel.h>
 #include <kernel/tty.h>
 #include <kernel/serial.h>
 #include <kernel/x86/gdt.h>
 #include <kernel/x86/idt.h>
 #include <kernel/x86/pic.h>
 
-#define GDT_SIZE 5
-
 uint64_t gdt[GDT_SIZE];
 
-
-void gdt_init(void)
+void gdt_init()
 { 
+#ifdef __TESTING__
+	kinfo("Initializing the GDT");
+#endif
 	gdt[0] = create_descriptor(0, 0, 0); // null
 	gdt[1] = create_descriptor(0, 0x000FFFFF, (GDT_CODE_PL0)); // kernel code
 	gdt[2] = create_descriptor(0, 0x000FFFFF, (GDT_DATA_PL0)); // kernel data
@@ -22,25 +23,29 @@ void gdt_init(void)
 
 	setGdt((sizeof(uint64_t) * GDT_SIZE) - 1, &(gdt[0])); // limit, base
 	reloadSegments();
+#ifdef __TESTING__
+	kinfo("Initialized the GDT");
+#endif
 }
 
-#undef GDT_SIZE
-
 void kmain(void)
 {
-	gdt_init();		
-	idt_init();
-
-	PIC_remap(0x20, 0x28);
-	
-
+#ifdef __TESTING__ // important components should be declared first, but if we're testing we want to log all of that
 	terminal_initialize();
 	serial_initialize();
+#endif
 
 
-	terminal_writestring("test");
+	gdt_init();		
+	idt_init();
+	PIC_remap(0x20, 0x28);
 
-	serial_writestring("test!");
+#ifndef __TESTING__ 
+	terminal_initialize();
+	serial_initialize();
+#endif
 
-	printf("test..");
+
+	printf("Integer: %d\n", 10);
+	printf("Hex Int: %x\n", 2);
 }