UefiCpuPkg/SmmCpuFeaturesLib: Split into two files

[mirror_edk2.git] / UefiCpuPkg / Library / SmmCpuFeaturesLib / SmmCpuFeaturesLibNoStm.c

diff --git a/UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLibNoStm.c b/UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLibNoStm.c
new file mode 100644 (file)
index 0000000..e872eec
--- /dev/null
+++ b/UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLibNoStm.c
@@ -0,0 +1,89 @@
+/** @file\r
+The CPU specific programming for PiSmmCpuDxeSmm module when STM support\r
+is not included.\r
+\r
+Copyright (c) 2010 - 2016, Intel Corporation. All rights reserved.<BR>\r
+This program and the accompanying materials\r
+are licensed and made available under the terms and conditions of the BSD License\r
+which accompanies this distribution.  The full text of the license may be found at\r
+http://opensource.org/licenses/bsd-license.php\r
+\r
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+\r
+#include <PiSmm.h>\r
+#include <Library/SmmCpuFeaturesLib.h>\r
+\r
+/**\r
+  Internal worker function that is called to complete CPU initialization at the\r
+  end of SmmCpuFeaturesInitializeProcessor()\r
+\r
+**/\r
+VOID\r
+FinishSmmCpuFeaturesInitializeProcessor (\r
+  VOID\r
+  )\r
+{\r
+}\r
+\r
+/**\r
+  Return the size, in bytes, of a custom SMI Handler in bytes.  If 0 is\r
+  returned, then a custom SMI handler is not provided by this library,\r
+  and the default SMI handler must be used.\r
+\r
+  @retval 0    Use the default SMI handler.\r
+  @retval > 0  Use the SMI handler installed by SmmCpuFeaturesInstallSmiHandler()\r
+               The caller is required to allocate enough SMRAM for each CPU to\r
+               support the size of the custom SMI handler.\r
+**/\r
+UINTN\r
+EFIAPI\r
+SmmCpuFeaturesGetSmiHandlerSize (\r
+  VOID\r
+  )\r
+{\r
+  return 0;\r
+}\r
+\r
+/**\r
+  Install a custom SMI handler for the CPU specified by CpuIndex.  This function\r
+  is only called if SmmCpuFeaturesGetSmiHandlerSize() returns a size is greater\r
+  than zero and is called by the CPU that was elected as monarch during System\r
+  Management Mode initialization.\r
+\r
+  @param[in] CpuIndex   The index of the CPU to install the custom SMI handler.\r
+                        The value must be between 0 and the NumberOfCpus field\r
+                        in the System Management System Table (SMST).\r
+  @param[in] SmBase     The SMBASE address for the CPU specified by CpuIndex.\r
+  @param[in] SmiStack   The stack to use when an SMI is processed by the\r
+                        the CPU specified by CpuIndex.\r
+  @param[in] StackSize  The size, in bytes, if the stack used when an SMI is\r
+                        processed by the CPU specified by CpuIndex.\r
+  @param[in] GdtBase    The base address of the GDT to use when an SMI is\r
+                        processed by the CPU specified by CpuIndex.\r
+  @param[in] GdtSize    The size, in bytes, of the GDT used when an SMI is\r
+                        processed by the CPU specified by CpuIndex.\r
+  @param[in] IdtBase    The base address of the IDT to use when an SMI is\r
+                        processed by the CPU specified by CpuIndex.\r
+  @param[in] IdtSize    The size, in bytes, of the IDT used when an SMI is\r
+                        processed by the CPU specified by CpuIndex.\r
+  @param[in] Cr3        The base address of the page tables to use when an SMI\r
+                        is processed by the CPU specified by CpuIndex.\r
+**/\r
+VOID\r
+EFIAPI\r
+SmmCpuFeaturesInstallSmiHandler (\r
+  IN UINTN   CpuIndex,\r
+  IN UINT32  SmBase,\r
+  IN VOID    *SmiStack,\r
+  IN UINTN   StackSize,\r
+  IN UINTN   GdtBase,\r
+  IN UINTN   GdtSize,\r
+  IN UINTN   IdtBase,\r
+  IN UINTN   IdtSize,\r
+  IN UINT32  Cr3\r
+  )\r
+{\r
+}\r