X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Farch%2Fx86_64%2Fstart32.asm;h=6ee9262b8f7a10618baa955de69649f4ed99c9c7;hb=5255c9f07cb2e0e43cf283e256c964eaa7970c8e;hp=0178bddb27d7ed91baec480dafbcba4f5b7e6f67;hpb=dea6bcf35a3f52396724d74e47f71cb3afade37c;p=tpg%2Facess2.git

diff --git a/Kernel/arch/x86_64/start32.asm b/Kernel/arch/x86_64/start32.asm
index 0178bddb..6ee9262b 100644
--- a/Kernel/arch/x86_64/start32.asm
+++ b/Kernel/arch/x86_64/start32.asm
@@ -42,7 +42,7 @@ start:
 	cmp eax, 0x80000001	; Compare the A-register with 0x80000001.
 	mov eax, 0x80000001
 	cpuid
-    jb .not64bitCapable
+	jb .not64bitCapable
 	test edx, 1<<29
 	jz .not64bitCapable
 
@@ -89,6 +89,7 @@ start:
 
 [section .data]
 [global gGDT]
+[global gGDTPtr]
 gGDT:
 	dd	0,0
 	dd	0x00000000, 0x00209A00	; 0x08: 64-bit Code
@@ -113,7 +114,7 @@ gMultibootPtr:
 [global gInitialPML4]
 gInitialPML4:	; Covers 256 TiB (Full 48-bit Virtual Address Space)
 	dd	gInitialPDP - KERNEL_BASE + 3, 0	; Identity Map Low 4Mb
-	times 512-1-4 dq	0
+	times 512-4-1 dq	0
 	dd	gInitialPML4 - KERNEL_BASE + 3, 0	; Fractal Mapping
 	dq	0
 	dq	0
@@ -125,7 +126,8 @@ gInitialPDP:	; Covers 512 GiB
 
 gHighPDP:	; Covers 512 GiB
 	times 510	dq	0
-	dq	0 + 0x143	; 1 GiB Page from zero
+	;dq	0 + 0x143	; 1 GiB Page from zero
+	dd	gInitialPD - KERNEL_BASE + 3, 0
 	dq	0
 
 gInitialPD:	; Covers 1 GiB