More attempted fixes

boot.asm

@@ -114,7 +114,21 @@ Main:	;main section
 	int 0x15
 	;; now to try protected mode...
 	cli
-	lgdt [gdt]		
+gdtr:	dw 0
+	dd 0
+setGdt:
+	xor   eax, eax
+	mov   ax, ds
+	shl   eax, 4
+	add   eax, gdt
+	;jp $			
+	mov   [gdtr + 2], eax
+	;jp $			;
+	mov   eax, gdt_end
+	;jp $			
+	sub   eax, gdt			
+	mov   [gdtr], ax
+	lgdt [gdtr]		
 	mov eax, cr0
 	or al, 1
 	mov cr0, eax
@@ -122,7 +136,6 @@ Main:	;main section
 	jmp 08h:PMain
 
 gdt:
-
 	times	16	db	0
 	dw	0xffff				; segment limit
 .src:
@@ -137,8 +150,30 @@ gdt:
 	db	0x93				; data access rights
 	dw	0
 	times	16	db	0
+gdt_end:	
+;; .null:	times	8	db	0
+;; .code:	dw	0x0400		; limit (4MiB)
+;; 	dw	0x0000		; base 0-15
+;; 	db	0x00		; base 16-23
+;; 	db	0x9A		; access byte
+;; 	db	0xC0		; flags/limit 16-19
+;; 	db	0x04		; base 24-31
+;; .data:	dw	0x0400
+;; 	dw	0x0000
+;; 	db	0x00
+;; 	db	0x92
+;; 	db	0xC0
+;; 	db	0x08
+;; .tss:	dw	0x0400
+;; 	dw	0x0000
+;; 	db	0x00
+;; 	db	0x89
+;; 	db	0xC0
+;; 	db	0x0C
 PMain:
-	
+	mov si, str1
+	call PrintStr
 	nop
 	nop
 	hlt
+	jp $