From be5f16148584b0d771bdab651455cd9e27f556ce Mon Sep 17 00:00:00 2001
From: qhuang8 <qhuang8@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Wed, 3 Dec 2008 02:19:49 +0000
Subject: Add AsmEnableCache() and AsmDisableCache() as the IA32 & x64 specific
 BaseLib API.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6807 6f19259b-4bc3-4df7-8a09-765794883524
---
 MdePkg/Library/BaseLib/Ia32/DisableCache.c | 6 +++---
 MdePkg/Library/BaseLib/Ia32/EnableCache.c  | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

(limited to 'MdePkg/Library')

diff --git a/MdePkg/Library/BaseLib/Ia32/DisableCache.c b/MdePkg/Library/BaseLib/Ia32/DisableCache.c
index d2d028a..4ee3b88 100644
--- a/MdePkg/Library/BaseLib/Ia32/DisableCache.c
+++ b/MdePkg/Library/BaseLib/Ia32/DisableCache.c
@@ -13,10 +13,10 @@
 **/
 
 /**
-  Disables caches.
+  Set CD bit and clear NW bit of CR0 followed by a WBINVD.
 
-  Set the CD bit of CR0 to 1, clear the NW bit of CR0 to 0, and flush all caches with a
-  WBINVD instruction.
+  Disables the caches by setting the CD bit of CR0 to 1, clearing the NW bit of CR0 to 0,
+  and executing a WBINVD instruction.  This function is only available on IA-32 and x64.
 
 **/
 VOID
diff --git a/MdePkg/Library/BaseLib/Ia32/EnableCache.c b/MdePkg/Library/BaseLib/Ia32/EnableCache.c
index 59e2b43..dab8903 100644
--- a/MdePkg/Library/BaseLib/Ia32/EnableCache.c
+++ b/MdePkg/Library/BaseLib/Ia32/EnableCache.c
@@ -13,10 +13,10 @@
 **/
 
 /**
-  Enabled caches.
+  Perform a WBINVD and clear both the CD and NW bits of CR0.
 
-  Flush all caches with a WBINVD instruction, clear the CD bit of CR0 to 0, and clear 
-  the NW bit of CR0 to 0
+  Enables the caches by executing a WBINVD instruction and then clear both the CD and NW
+  bits of CR0 to 0.  This function is only available on IA-32 and x64.
 
 **/
 VOID
-- 
cgit v1.1