From 8e8228564c4b20869e8103e99e12c299686871c1 Mon Sep 17 00:00:00 2001 From: Elvin Li Date: Fri, 10 Apr 2015 00:49:15 +0000 Subject: [PATCH] IntelFrameworkModulePkg: update comments to clarify runtime memory usage for legacy OS. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Elvin Li Reviewed-by: Jiewen Yao git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17138 6f19259b-4bc3-4df7-8a09-765794883524 --- IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBootSupport.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBootSupport.c b/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBootSupport.c index 5575d2ec8e..5848f9f164 100644 --- a/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBootSupport.c +++ b/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBootSupport.c @@ -1615,7 +1615,7 @@ EfiMemoryTypeToE820Type ( case EfiConventionalMemory: // // The memory of EfiRuntimeServicesCode and EfiRuntimeServicesData are - // usable memory for legacy OS. + // usable memory for legacy OS, because legacy OS is not aware of EFI runtime concept. // In ACPI specification, EfiRuntimeServiceCode and EfiRuntimeServiceData // should be mapped to AddressRangeReserved. This statement is for UEFI OS, not for legacy OS. // -- 2.39.2