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PrmPkg: Add initial PrmSamplePrintModule

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REF:https://bugzilla.tianocore.org/show_bug.cgi?id=3812

Adds a simple sample PRM module that demonstrates:
  1. How to write a PRM module
  2. How to use multiple PRM handlers in a module
  3. How to use a basic PRM OS service

Cc: Andrew Fish <afish@apple.com>
Cc: Kang Gao <kang.gao@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Michael Kubacki <michael.kubacki@microsoft.com>
Cc: Leif Lindholm <leif@nuviainc.com>
Cc: Benjamin You <benjamin.you@intel.com>
Cc: Liu Yun <yun.y.liu@intel.com>
Cc: Ankit Sinha <ankit.sinha@intel.com>
Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
Acked-by: Michael D Kinney <michael.d.kinney@intel.com>
Acked-by: Liming Gao <gaoliming@byosoft.com.cn>
Acked-by: Leif Lindholm <quic_llindhol@quicinc.com>
Reviewed-by: Ankit Sinha <ankit.sinha@intel.com>
This commit is contained in:
Michael Kubacki 2020-04-07 11:28:36 -07:00 committed by mergify[bot]
parent 3f7af17c6b
commit 9276e0d2b9
2 changed files with 196 additions and 0 deletions
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157
PrmPkg/Samples/PrmSamplePrintModule/PrmSamplePrintModule.c Normal file
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/** @file
A sample PRM Module implementation. This PRM Module provides 3 PRM handlers that simply take a DEBUG print
function from the OS and invoke it with a debug message internal the PRM handler.
Copyright (c) Microsoft Corporation
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <PrmModule.h>
#include <Library/BaseLib.h>
#include <Library/UefiLib.h>
//
// PRM Handler GUIDs
//
// {d5f2ad5f-a347-4d3e-87bc-c2ce63029cc8}
#define PRM_HANDLER_1_GUID {0xd5f2ad5f, 0xa347, 0x4d3e, {0x87, 0xbc, 0xc2, 0xce, 0x63, 0x02, 0x9c, 0xc8}}
// {a9e7adc3-8cd0-429a-8915-10946ebde318}
#define PRM_HANDLER_2_GUID {0xa9e7adc3, 0x8cd0, 0x429a, {0x89, 0x15, 0x10, 0x94, 0x6e, 0xbd, 0xe3, 0x18}}
// {b688c214-4081-4eeb-8d26-1eb5a3bcf11a}
#define PRM_HANDLER_N_GUID {0xb688c214, 0x4081, 0x4eeb, {0x8d, 0x26, 0x1e, 0xb5, 0xa3, 0xbc, 0xf1, 0x1a}}
/**
A sample Platform Runtime Mechanism (PRM) handler.
This sample handler currently uses the OS_SERVICES to write a debug message
indicating this is PRM handler 1.
@param[in] ParameterBuffer A pointer to the PRM handler parameter buffer
@param[in] ContextBUffer A pointer to the PRM handler context buffer
@retval EFI_STATUS The PRM handler executed successfully.
@retval Others An error occurred in the PRM handler.
**/
EFI_STATUS
PRM_EXPORT_API
EFIAPI
PrmHandler1 (
IN VOID *ParameterBuffer,
IN PRM_CONTEXT_BUFFER *ContextBUffer
)
{
PRM_OS_SERVICE_DEBUG_PRINT OsServiceDebugPrint;
if (ParameterBuffer == NULL) {
return EFI_INVALID_PARAMETER;
}
// In the POC, the OS debug print service is assumed to be at the beginning of ParameterBuffer
OsServiceDebugPrint = *((PRM_OS_SERVICE_DEBUG_PRINT *) ParameterBuffer);
if (OsServiceDebugPrint == NULL) {
return EFI_INVALID_PARAMETER;
}
OsServiceDebugPrint ("PRM1 handler sample message!\n");
return EFI_SUCCESS;
}
/**
A sample Platform Runtime Mechanism (PRM) handler.
This sample handler currently uses the OS_SERVICES to write a debug message
indicating this is PRM handler 2.
@param[in] ParameterBuffer A pointer to the PRM handler parameter buffer
@param[in] ContextBUffer A pointer to the PRM handler context buffer
@retval EFI_STATUS The PRM handler executed successfully.
@retval Others An error occurred in the PRM handler.
**/
EFI_STATUS
PRM_EXPORT_API
EFIAPI
PrmHandler2 (
IN VOID *ParameterBuffer,
IN PRM_CONTEXT_BUFFER *ContextBUffer
)
{
PRM_OS_SERVICE_DEBUG_PRINT OsServiceDebugPrint;
if (ParameterBuffer == NULL) {
return EFI_INVALID_PARAMETER;
}
// In the POC, the OS debug print service is assumed to be at the beginning of ParameterBuffer
OsServiceDebugPrint = *((PRM_OS_SERVICE_DEBUG_PRINT *) ParameterBuffer);
if (OsServiceDebugPrint == NULL) {
return EFI_INVALID_PARAMETER;
}
OsServiceDebugPrint ("PRM2 handler sample message!\n");
return EFI_SUCCESS;
}
/**
A sample Platform Runtime Mechanism (PRM) handler.
This sample handler currently uses the OS_SERVICES to write a debug message
indicating this is PRM handler N.
@param[in] ParameterBuffer A pointer to the PRM handler parameter buffer
@param[in] ContextBUffer A pointer to the PRM handler context buffer
@retval EFI_STATUS The PRM handler executed successfully.
@retval Others An error occurred in the PRM handler.
**/
EFI_STATUS
PRM_EXPORT_API
EFIAPI
PrmHandlerN (
IN VOID *ParameterBuffer,
IN PRM_CONTEXT_BUFFER *ContextBUffer
)
{
PRM_OS_SERVICE_DEBUG_PRINT OsServiceDebugPrint;
if (ParameterBuffer == NULL) {
return EFI_INVALID_PARAMETER;
}
// In the POC, the OS debug print service is assumed to be at the beginning of ParameterBuffer
OsServiceDebugPrint = *((PRM_OS_SERVICE_DEBUG_PRINT *) ParameterBuffer);
if (OsServiceDebugPrint == NULL) {
return EFI_INVALID_PARAMETER;
}
OsServiceDebugPrint ("PRMN handler sample message!\n");
return EFI_SUCCESS;
}
//
// Register the PRM export information for this PRM Module
//
PRM_MODULE_EXPORT (
PRM_HANDLER_EXPORT_ENTRY (PRM_HANDLER_1_GUID, PrmHandler1),
PRM_HANDLER_EXPORT_ENTRY (PRM_HANDLER_2_GUID, PrmHandler2),
PRM_HANDLER_EXPORT_ENTRY (PRM_HANDLER_N_GUID, PrmHandlerN)
);
EFI_STATUS
EFIAPI
PrmSamplePrintModuleInit (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
return EFI_SUCCESS;
}

39
PrmPkg/Samples/PrmSamplePrintModule/PrmSamplePrintModule.inf Normal file
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## @file
# Sample PRM Driver
#
# This driver simply uses an OS-provided debug message print service to write
# a debug message. Three PRM handlers are provided that each print a unique
# debug message.
#
# Copyright (c) Microsoft Corporation
#
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
##
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = PrmSamplePrintModule
FILE_GUID = 1652B3C2-A7A1-46AC-AF93-DD6DEE446669
MODULE_TYPE = DXE_RUNTIME_DRIVER
VERSION_STRING = 1.0
ENTRY_POINT = PrmSamplePrintModuleInit
[Sources]
PrmSamplePrintModule.c
[Packages]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
PrmPkg/PrmPkg.dec
[LibraryClasses]
BaseLib
UefiDriverEntryPoint
UefiLib
[Depex]
TRUE
[BuildOptions.common]
MSFT:*_*_*_DLINK_FLAGS = /DLL /SUBSYSTEM:CONSOLE