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authorElvin Li <elvin.li@intel.com>2015-04-10 00:49:15 +0000
committerli-elvin <li-elvin@Edk2>2015-04-10 00:49:15 +0000
commit8e8228564c4b20869e8103e99e12c299686871c1 (patch)
tree019f3e407aba8d2014b5014441fa67f4605d3cf4 /IntelFrameworkModulePkg/Csm
parentc952b5b124693c3864dbdf6ab5bb80fb399f2af2 (diff)
downloadedk2-platforms-8e8228564c4b20869e8103e99e12c299686871c1.tar.xz
IntelFrameworkModulePkg: update comments to clarify runtime memory usage for legacy OS.
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Elvin Li <elvin.li@intel.com> Reviewed-by: Jiewen Yao <jiewen.yao@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17138 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'IntelFrameworkModulePkg/Csm')
-rw-r--r--IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBootSupport.c2
1 files changed, 1 insertions, 1 deletions
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.
//