UefiCpuPkg/AcpiCpuData: update comments on register table fields

[mirror_edk2.git] / UefiCpuPkg / Include / AcpiCpuData.h

diff --git a/UefiCpuPkg/Include/AcpiCpuData.h b/UefiCpuPkg/Include/AcpiCpuData.h
index b5a69ad80c886603f3e2ffeae6232f1a96d1bf37..62a01b2c6baccc1e16c67d6c27f82e5ed30dd54c 100644 (file)
--- a/UefiCpuPkg/Include/AcpiCpuData.h
+++ b/UefiCpuPkg/Include/AcpiCpuData.h
@@ -178,6 +178,8 @@ typedef struct {
   // If TableLength is > 0, then elements of RegisterTableEntry are used to\r
   // initialize the CPU that matches InitialApicId, during an ACPI S3 resume,\r
   // before SMBASE relocation is performed.\r
+  // If a register table is not required for any one of the CPUs, then\r
+  // PreSmmInitRegisterTable may be set to 0.\r
   //\r
   EFI_PHYSICAL_ADDRESS  PreSmmInitRegisterTable;\r
   //\r
@@ -187,6 +189,8 @@ typedef struct {
   // If TableLength is > 0, then elements of RegisterTableEntry are used to\r
   // initialize the CPU that matches InitialApicId, during an ACPI S3 resume,\r
   // after SMBASE relocation is performed.\r
+  // If a register table is not required for any one of the CPUs, then\r
+  // RegisterTable may be set to 0.\r
   //\r
   EFI_PHYSICAL_ADDRESS  RegisterTable;\r
   //\r