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

diff --git a/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBootSupport.c b/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBootSupport.c
index 5575d2ec8eb9f8907eded90a2df1b4ff1cacc792..5848f9f164a8f8f441458d04f6ff349c7f6c6992 100644 (file)
--- a/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBootSupport.c
+++ b/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBootSupport.c
@@ -1615,7 +1615,7 @@ EfiMemoryTypeToE820Type (
   case EfiConventionalMemory:\r
   //\r
   // The memory of EfiRuntimeServicesCode and EfiRuntimeServicesData are\r
-  // usable memory for legacy OS.\r
+  // usable memory for legacy OS, because legacy OS is not aware of EFI runtime concept.\r
   // In ACPI specification, EfiRuntimeServiceCode and EfiRuntimeServiceData\r
   // should be mapped to AddressRangeReserved. This statement is for UEFI OS, not for legacy OS.\r
   //\r