From 9ab36385be96377cd97299a975ca9456bbfd887b Mon Sep 17 00:00:00 2001 From: Laszlo Ersek Date: Thu, 26 Dec 2013 20:44:20 +0000 Subject: [PATCH] OvmfPkg: PlatformPei: simplify memory range expressions in MemDetect() Exploit that (MemoryBase + MemorySize) always equals LowerMemorySize. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek Reviewed-by: Jordan Justen git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15022 6f19259b-4bc3-4df7-8a09-765794883524 --- OvmfPkg/PlatformPei/MemDetect.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/OvmfPkg/PlatformPei/MemDetect.c b/OvmfPkg/PlatformPei/MemDetect.c index 9145ebb89d..7192b2bf73 100644 --- a/OvmfPkg/PlatformPei/MemDetect.c +++ b/OvmfPkg/PlatformPei/MemDetect.c @@ -161,11 +161,10 @@ MemDetect ( // // Create memory HOBs // - AddMemoryBaseSizeHob (MemoryBase, MemorySize); - AddMemoryRangeHob (BASE_1MB, MemoryBase); + AddMemoryRangeHob (BASE_1MB, LowerMemorySize); AddMemoryRangeHob (0, BASE_512KB + BASE_128KB); - MtrrSetMemoryAttribute (BASE_1MB, MemoryBase + MemorySize - BASE_1MB, CacheWriteBack); + MtrrSetMemoryAttribute (BASE_1MB, LowerMemorySize - BASE_1MB, CacheWriteBack); MtrrSetMemoryAttribute (0, BASE_512KB + BASE_128KB, CacheWriteBack); @@ -175,6 +174,6 @@ MemDetect ( MtrrSetMemoryAttribute (BASE_4GB, UpperMemorySize, CacheWriteBack); } - return MemoryBase + MemorySize; + return LowerMemorySize; } -- 2.39.2