From: John Hodge <tpg@portege.thepowersgang.com>
Date: Fri, 25 Sep 2009 02:44:03 +0000 (+0800)
Subject: Fix Triplefault on task switch
X-Git-Tag: rel0.06~521
X-Git-Url: https://git.ucc.asn.au/?a=commitdiff_plain;h=a3d9c32b28b6a6fd90a0b181a02def095eaaaec6;p=tpg%2Facess2.git

Fix Triplefault on task switch
---

diff --git a/Kernel/arch/x86/proc.c b/Kernel/arch/x86/proc.c
index 2413a6e2..bdce0ca2 100644
--- a/Kernel/arch/x86/proc.c
+++ b/Kernel/arch/x86/proc.c
@@ -131,6 +131,14 @@ void ArchThreads_Init()
 	gCurrentThread = &gThreadZero;
 	#endif
 	
+	#if USE_PAE
+	gThreadZero.MemState.PDP[0] = 0;
+	gThreadZero.MemState.PDP[1] = 0;
+	gThreadZero.MemState.PDP[2] = 0;
+	#else
+	gThreadZero.MemState.CR3 = (Uint)gaInitPageDir;
+	#endif
+	
 	// Set timer frequency
 	outb(0x43, 0x34);	// Set Channel 0, Low/High, Rate Generator
 	outb(0x40, TIMER_DIVISOR&0xFF);	// Low Byte of Divisor