--- /dev/null
+/** @file\r
+\r
+ A sample PRM Module implementation. This PRM Module provides 3 PRM handlers that simply take a DEBUG print\r
+ function from the OS and invoke it with a debug message internal the PRM handler.\r
+\r
+ Copyright (c) Microsoft Corporation\r
+ SPDX-License-Identifier: BSD-2-Clause-Patent\r
+\r
+**/\r
+\r
+#include <PrmModule.h>\r
+\r
+#include <Library/BaseLib.h>\r
+#include <Library/UefiLib.h>\r
+\r
+//\r
+// PRM Handler GUIDs\r
+//\r
+\r
+// {d5f2ad5f-a347-4d3e-87bc-c2ce63029cc8}\r
+#define PRM_HANDLER_1_GUID {0xd5f2ad5f, 0xa347, 0x4d3e, {0x87, 0xbc, 0xc2, 0xce, 0x63, 0x02, 0x9c, 0xc8}}\r
+\r
+// {a9e7adc3-8cd0-429a-8915-10946ebde318}\r
+#define PRM_HANDLER_2_GUID {0xa9e7adc3, 0x8cd0, 0x429a, {0x89, 0x15, 0x10, 0x94, 0x6e, 0xbd, 0xe3, 0x18}}\r
+\r
+// {b688c214-4081-4eeb-8d26-1eb5a3bcf11a}\r
+#define PRM_HANDLER_N_GUID {0xb688c214, 0x4081, 0x4eeb, {0x8d, 0x26, 0x1e, 0xb5, 0xa3, 0xbc, 0xf1, 0x1a}}\r
+\r
+/**\r
+ A sample Platform Runtime Mechanism (PRM) handler.\r
+\r
+ This sample handler currently uses the OS_SERVICES to write a debug message\r
+ indicating this is PRM handler 1.\r
+\r
+ @param[in] ParameterBuffer A pointer to the PRM handler parameter buffer\r
+ @param[in] ContextBUffer A pointer to the PRM handler context buffer\r
+\r
+ @retval EFI_STATUS The PRM handler executed successfully.\r
+ @retval Others An error occurred in the PRM handler.\r
+\r
+**/\r
+EFI_STATUS\r
+PRM_EXPORT_API\r
+EFIAPI\r
+PrmHandler1 (\r
+ IN VOID *ParameterBuffer,\r
+ IN PRM_CONTEXT_BUFFER *ContextBUffer\r
+ )\r
+{\r
+ PRM_OS_SERVICE_DEBUG_PRINT OsServiceDebugPrint;\r
+\r
+ if (ParameterBuffer == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ // In the POC, the OS debug print service is assumed to be at the beginning of ParameterBuffer\r
+ OsServiceDebugPrint = *((PRM_OS_SERVICE_DEBUG_PRINT *) ParameterBuffer);\r
+ if (OsServiceDebugPrint == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ OsServiceDebugPrint ("PRM1 handler sample message!\n");\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+/**\r
+ A sample Platform Runtime Mechanism (PRM) handler.\r
+\r
+ This sample handler currently uses the OS_SERVICES to write a debug message\r
+ indicating this is PRM handler 2.\r
+\r
+ @param[in] ParameterBuffer A pointer to the PRM handler parameter buffer\r
+ @param[in] ContextBUffer A pointer to the PRM handler context buffer\r
+\r
+ @retval EFI_STATUS The PRM handler executed successfully.\r
+ @retval Others An error occurred in the PRM handler.\r
+\r
+**/\r
+EFI_STATUS\r
+PRM_EXPORT_API\r
+EFIAPI\r
+PrmHandler2 (\r
+ IN VOID *ParameterBuffer,\r
+ IN PRM_CONTEXT_BUFFER *ContextBUffer\r
+ )\r
+{\r
+ PRM_OS_SERVICE_DEBUG_PRINT OsServiceDebugPrint;\r
+\r
+ if (ParameterBuffer == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ // In the POC, the OS debug print service is assumed to be at the beginning of ParameterBuffer\r
+ OsServiceDebugPrint = *((PRM_OS_SERVICE_DEBUG_PRINT *) ParameterBuffer);\r
+ if (OsServiceDebugPrint == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ OsServiceDebugPrint ("PRM2 handler sample message!\n");\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+/**\r
+ A sample Platform Runtime Mechanism (PRM) handler.\r
+\r
+ This sample handler currently uses the OS_SERVICES to write a debug message\r
+ indicating this is PRM handler N.\r
+\r
+ @param[in] ParameterBuffer A pointer to the PRM handler parameter buffer\r
+ @param[in] ContextBUffer A pointer to the PRM handler context buffer\r
+\r
+ @retval EFI_STATUS The PRM handler executed successfully.\r
+ @retval Others An error occurred in the PRM handler.\r
+\r
+**/\r
+EFI_STATUS\r
+PRM_EXPORT_API\r
+EFIAPI\r
+PrmHandlerN (\r
+ IN VOID *ParameterBuffer,\r
+ IN PRM_CONTEXT_BUFFER *ContextBUffer\r
+ )\r
+{\r
+ PRM_OS_SERVICE_DEBUG_PRINT OsServiceDebugPrint;\r
+\r
+ if (ParameterBuffer == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ // In the POC, the OS debug print service is assumed to be at the beginning of ParameterBuffer\r
+ OsServiceDebugPrint = *((PRM_OS_SERVICE_DEBUG_PRINT *) ParameterBuffer);\r
+ if (OsServiceDebugPrint == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ OsServiceDebugPrint ("PRMN handler sample message!\n");\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+//\r
+// Register the PRM export information for this PRM Module\r
+//\r
+PRM_MODULE_EXPORT (\r
+ PRM_HANDLER_EXPORT_ENTRY (PRM_HANDLER_1_GUID, PrmHandler1),\r
+ PRM_HANDLER_EXPORT_ENTRY (PRM_HANDLER_2_GUID, PrmHandler2),\r
+ PRM_HANDLER_EXPORT_ENTRY (PRM_HANDLER_N_GUID, PrmHandlerN)\r
+ );\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+PrmSamplePrintModuleInit (\r
+ IN EFI_HANDLE ImageHandle,\r
+ IN EFI_SYSTEM_TABLE *SystemTable\r
+ )\r
+{\r
+ return EFI_SUCCESS;\r
+}\r