added kprintf and kprintp as random useful things to have

also changed bochsrc master path to jos.iso

bochsrc.conf

@@ -2,7 +2,7 @@ megs:            32
 display_library: x, options="gui_debug"
 romimage:        file=/usr/share/bochs/BIOS-bochs-latest
 vgaromimage:     file=/usr/share/bochs/VGABIOS-lgpl-latest
-ata0-master:     type=cdrom, path=os.iso, status=inserted
+ata0-master:     type=cdrom, path=jos.iso, status=inserted
 boot:            cdrom
 log:             bochslog.txt
 clock:           sync=realtime, time0=local

kernel.c

@@ -11,6 +11,21 @@ void kinit() {
 	test_dispatcher();
 }
 
+void kprintp(const u32 ptr) {
+	// Prints our hex version of whatever is given
+	const char _chars[] = "0123456789abcdef";
+	u32 idx = 0; // used as hash into the _chars mapping
+	// iterate over each nibble
+	for(u32 i = 0 ;i < 7;i++) {
+		idx = (ptr << (i * 4)) & 0xf0000000;
+		idx = idx >> 28;
+		putch(_chars[idx]);
+	}
+}
+
+void kprints(const char* s) {
+	printf(s);
+}
 
 void kmain() {
 	kinit();

kernel.h

@@ -1,4 +1,6 @@
 #include "types.h"
 
 void kinit();
+void kprintp(const u32);
+void kprints(const char*);
 void kmain();