From: John Hodge <tpg@mutabah.net>
Date: Sun, 9 Feb 2014 01:36:50 +0000 (+0800)
Subject: Kernel/x86 - Add flag to set PIT to larges possible divisor
X-Git-Url: https://git.ucc.asn.au/?a=commitdiff_plain;h=e36c8d4a404c402d4c3d96a2b0b147368e881603;p=tpg%2Facess2.git

Kernel/x86 - Add flag to set PIT to larges possible divisor
---

diff --git a/KernelLand/Kernel/arch/x86/proc.c b/KernelLand/Kernel/arch/x86/proc.c
index 2869c3c3..dac26c9b 100644
--- a/KernelLand/Kernel/arch/x86/proc.c
+++ b/KernelLand/Kernel/arch/x86/proc.c
@@ -24,11 +24,14 @@
 #define DEBUG_DISABLE_DOUBLEFAULT	1
 #define DEBUG_VERY_SLOW_PERIOD	0
 #define DEBUG_NOPREEMPT	1
+#define DISABLE_PIT	0
 
 // === CONSTANTS ===
 // Base is 1193182
 #define TIMER_BASE      1193182
-#if DEBUG_VERY_SLOW_PERIOD
+#if DISABLE_PIT
+# define TIMER_DIVISOR	0xFFFF
+#elif DEBUG_VERY_SLOW_PERIOD
 # define TIMER_DIVISOR	1193	//~10Hz switch, with 10 quantum = 1s per thread
 #else
 # define TIMER_DIVISOR	11932	//~100Hz