From: Michael Kubacki <michael.kuba...@microsoft.com>
Adds a new UEFI application called "PrmInfo" that allows a user
to display and test Platform Runtime Mechanism (PRM) modules.
Execute the application help command for detailed usage
instructions and examples of how to use the application:
"PrmInfo -?"
This application is intended to be helpful during PRM enabling
by allowing the user to:
1. Confirm that their firmware port of the PRM infrastructure
implemented in this package is functioning correctly.
2. Quickly get information about what PRM modules and handlers
are present on a given system.
3. Quickly test PRM handlers without booting to a fully featured
operating system.
4. Develop and exercise PRM handlers prior to the availability of
an operating system that is PRM aware.
Adds a brief section to Readme.md about the PrmInfo UEFI application
with a link to allow the reader to find more information about the
application if interested.
Cc: Andrew Fish <af...@apple.com>
Cc: Kang Gao <kang....@intel.com>
Cc: Michael D Kinney <michael.d.kin...@intel.com>
Cc: Michael Kubacki <michael.kuba...@microsoft.com>
Cc: Leif Lindholm <l...@nuviainc.com>
Cc: Benjamin You <benjamin....@intel.com>
Cc: Liu Yun <yun.y....@intel.com>
Cc: Ankit Sinha <ankit.si...@intel.com>
Cc: Nate DeSimone <nathaniel.l.desim...@intel.com>
Signed-off-by: Michael Kubacki <michael.kuba...@microsoft.com>
---
PrmPkg/Application/PrmInfo/PrmInfo.c | 725 ++++++++++++++++++++
PrmPkg/Application/PrmInfo/PrmInfo.h | 49 ++
PrmPkg/Application/PrmInfo/PrmInfo.inf | 66 ++
PrmPkg/Application/PrmInfo/PrmInfo.uni | 11 +
PrmPkg/Application/PrmInfo/PrmInfoExtra.uni | 12 +
PrmPkg/Application/PrmInfo/PrmInfoStrings.uni | 132 ++++
PrmPkg/PrmPkg.dec | 10 +
PrmPkg/PrmPkg.dsc | 28 +-
PrmPkg/Readme.md | 19 +
9 files changed, 1050 insertions(+), 2 deletions(-)
diff --git a/PrmPkg/Application/PrmInfo/PrmInfo.c
b/PrmPkg/Application/PrmInfo/PrmInfo.c
new file mode 100644
index 000000000000..431a6f206163
--- /dev/null
+++ b/PrmPkg/Application/PrmInfo/PrmInfo.c
@@ -0,0 +1,725 @@
+/** @file
+ Prints information about the PRM configuration loaded by the system firmware.
+
+ This application also provides some additional testing features for PRM
configuration. For example,
+ the application can be used to selectively invoke PRM handlers in the UEFI
shell environment to
+ provide a quick testing path of the PRM infrastructure on the firmware and
the PRM module implementation.
+
+ This can also be useful to prepare a PRM enabled firmware and PRM modules
prior to formal OS support to
+ test the PRM code.
+
+ Copyright (C) Microsoft Corporation. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Guid/ZeroGuid.h>
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Library/HiiLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/PcdLib.h>
+#include <Library/PrmContextBufferLib.h>
+#include <Library/PrmModuleDiscoveryLib.h>
+#include <Library/PrmPeCoffLib.h>
+#include <Library/ShellLib.h>
+#include <Library/TimerLib.h>
+#include <Library/UefiApplicationEntryPoint.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiHiiServicesLib.h>
+#include <Library/UefiLib.h>
+
+#include "PrmInfo.h"
+
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_STRING_ID mStringPrmInfoHelpTokenId =
STRING_TOKEN (STR_PRMINFO_HELP);
+//
+// This is the generated String package data for all .UNI files.
+// This data array is ready to be used as input of HiiAddPackages() to
+// create a packagelist (which contains Form packages, String packages, etc).
+//
+extern UINT8 PrmInfoStrings[];
+
+STATIC UINTN mPrmHandlerCount;
+STATIC UINTN mPrmModuleCount;
+
+STATIC EFI_HII_HANDLE mPrmInfoHiiHandle;
+STATIC LIST_ENTRY mPrmHandlerList;
+
+STATIC CONST SHELL_PARAM_ITEM mParamList[] = {
+ {L"-l", TypeFlag},
+ {L"-t", TypeValue},
+ {NULL, TypeMax}
+ };
+
+/**
+ Frees all of the nodes in a linked list.
+
+ @param[in] ListHead A pointer to the head of the list that
should be freed.
+
+ **/
+VOID
+EFIAPI
+FreeList (
+ IN LIST_ENTRY *ListHead
+ )
+{
+ LIST_ENTRY *Link;
+ LIST_ENTRY *NextLink;
+ PRM_HANDLER_CONTEXT_LIST_ENTRY *ListEntry;
+
+ if (ListHead == NULL) {
+ return;
+ }
+
+ Link = GetFirstNode (&mPrmHandlerList);
+ while (!IsNull (&mPrmHandlerList, Link)) {
+ ListEntry = CR (Link, PRM_HANDLER_CONTEXT_LIST_ENTRY, Link,
PRM_HANDLER_CONTEXT_LIST_ENTRY_SIGNATURE);
+ NextLink = GetNextNode (&mPrmHandlerList, Link);
+
+ RemoveEntryList (Link);
+ FreePool (ListEntry);
+
+ Link = NextLink;
+ }
+}
+
+/**
+ Creates a new PRM Module Image Context linked list entry.
+
+ @retval PrmHandlerContextListEntry If successful, a pointer a PRM Handler
Context linked list entry
+ otherwise, NULL is returned.
+
+**/
+PRM_HANDLER_CONTEXT_LIST_ENTRY *
+CreateNewPrmHandlerListEntry (
+ VOID
+ )
+{
+ PRM_HANDLER_CONTEXT_LIST_ENTRY *PrmHandlerContextListEntry;
+
+ PrmHandlerContextListEntry = AllocateZeroPool (sizeof
(*PrmHandlerContextListEntry));
+ if (PrmHandlerContextListEntry == NULL) {
+ return NULL;
+ }
+ PrmHandlerContextListEntry->Signature =
PRM_HANDLER_CONTEXT_LIST_ENTRY_SIGNATURE;
+
+ return PrmHandlerContextListEntry;
+}
+
+/**
+ Creates a new PRM Module Image Context linked list entry.
+
+ @param[in] RuntimeMmioRanges A pointer to an array of PRM module config
runtime MMIO ranges.
+
+**/
+VOID
+PrintMmioRuntimeRangeInfo (
+ IN PRM_RUNTIME_MMIO_RANGES *RuntimeMmioRanges
+ )
+{
+ UINTN RuntimeMmioRangeCount;
+ UINTN RuntimeMmioRangeIndex;
+
+ if (RuntimeMmioRanges == NULL) {
+ return;
+ }
+
+ RuntimeMmioRangeCount = (UINTN) RuntimeMmioRanges->Count;
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN
(STR_PRMINFO_RUNTIME_MMIO_COUNT), mPrmInfoHiiHandle, RuntimeMmioRangeCount);
+
+ for (RuntimeMmioRangeIndex = 0; RuntimeMmioRangeIndex <
RuntimeMmioRangeCount; RuntimeMmioRangeIndex++) {
+ ShellPrintHiiEx (
+ -1,
+ -1,
+ NULL,
+ STRING_TOKEN (STR_PRMINFO_RUNTIME_MMIO_INFO),
+ mPrmInfoHiiHandle,
+ RuntimeMmioRangeIndex,
+ RuntimeMmioRanges->Range[RuntimeMmioRangeIndex].PhysicalBaseAddress,
+ RuntimeMmioRanges->Range[RuntimeMmioRangeIndex].VirtualBaseAddress,
+ RuntimeMmioRanges->Range[RuntimeMmioRangeIndex].Length
+ );
+ }
+}
+
+/**
+ Gathers the PRM handler (and by extension module) information discovered on
this system.
+
+ This function must be called to build up the discovered context for other
functions in the application. The
+ function will optionally print results as determed by the value of the
PrintInformation parameter.
+
+ @param[in] PrintInformation Indicates whether to print information
as discovered in the function.
+
+**/
+VOID
+GatherPrmHandlerInfo (
+ IN BOOLEAN PrintInformation
+ )
+{
+ EFI_STATUS Status;
+ UINT16 MajorVersion;
+ UINT16 MinorVersion;
+ UINT16 HandlerCount;
+ UINTN HandlerIndex;
+ EFI_PHYSICAL_ADDRESS CurrentHandlerPhysicalAddress;
+ EFI_PHYSICAL_ADDRESS CurrentImageAddress;
+ PRM_HANDLER_CONTEXT CurrentHandlerContext;
+ EFI_GUID *CurrentModuleGuid;
+ EFI_IMAGE_EXPORT_DIRECTORY *CurrentImageExportDirectory;
+ PRM_CONTEXT_BUFFER *CurrentContextBuffer;
+ PRM_MODULE_EXPORT_DESCRIPTOR_STRUCT *CurrentExportDescriptorStruct;
+ PRM_MODULE_CONTEXT_BUFFERS *CurrentModuleContextBuffers;
+ PRM_HANDLER_CONTEXT_LIST_ENTRY *CurrentHandlerContextListEntry;
+ PRM_MODULE_IMAGE_CONTEXT *CurrentPrmModuleImageContext;
+ PRM_RUNTIME_MMIO_RANGES *CurrentPrmModuleRuntimeMmioRanges;
+
+ ASSERT (mPrmModuleCount <= mPrmHandlerCount);
+
+ if (mPrmHandlerCount == 0) {
+ return;
+ }
+
+ // Iterate across all PRM modules discovered
+ for (
+ CurrentPrmModuleImageContext = NULL, Status = GetNextPrmModuleEntry
(&CurrentPrmModuleImageContext);
+ !EFI_ERROR (Status);
+ Status = GetNextPrmModuleEntry (&CurrentPrmModuleImageContext)) {
+
+ CurrentImageAddress =
CurrentPrmModuleImageContext->PeCoffImageContext.ImageAddress;
+ CurrentImageExportDirectory =
CurrentPrmModuleImageContext->ExportDirectory;
+ CurrentExportDescriptorStruct =
CurrentPrmModuleImageContext->ExportDescriptor;
+
+ CurrentModuleGuid = &CurrentExportDescriptorStruct->Header.ModuleGuid;
+ HandlerCount = CurrentExportDescriptorStruct->Header.NumberPrmHandlers;
+
+ MajorVersion = 0;
+ MinorVersion = 0;
+ Status = GetImageVersionInPeCoffImage (
+ (VOID *) (UINTN) CurrentImageAddress,
+ &CurrentPrmModuleImageContext->PeCoffImageContext,
+ &MajorVersion,
+ &MinorVersion
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ if (PrintInformation) {
+ ShellPrintHiiEx (
+ -1,
+ -1,
+ NULL,
+ STRING_TOKEN (STR_PRMINFO_MODULE_NAME),
+ mPrmInfoHiiHandle,
+ (CHAR8 *) ((UINTN) CurrentImageAddress +
CurrentImageExportDirectory->Name)
+ );
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PRMINFO_MODULE_GUID),
mPrmInfoHiiHandle, CurrentModuleGuid);
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN
(STR_PRMINFO_MODULE_VERSION), mPrmInfoHiiHandle, MajorVersion, MinorVersion);
+ }
+
+ // It is currently valid for a PRM module not to use a context buffer
+ CurrentPrmModuleRuntimeMmioRanges = NULL;
+ Status = GetModuleContextBuffers (
+ ByModuleGuid,
+ CurrentModuleGuid,
+ &CurrentModuleContextBuffers
+ );
+ ASSERT (!EFI_ERROR (Status) || Status == EFI_NOT_FOUND);
+ if (!EFI_ERROR (Status) && CurrentModuleContextBuffers != NULL) {
+ CurrentPrmModuleRuntimeMmioRanges =
CurrentModuleContextBuffers->RuntimeMmioRanges;
+ }
+
+ if (PrintInformation) {
+ if (CurrentPrmModuleRuntimeMmioRanges != NULL) {
+ PrintMmioRuntimeRangeInfo (CurrentPrmModuleRuntimeMmioRanges);
+ } else {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN
(STR_PRMINFO_NO_MMIO_RANGES), mPrmInfoHiiHandle);
+ }
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PRMINFO_LINE_BREAK),
mPrmInfoHiiHandle);
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PRMINFO_HANDLER_COUNT),
mPrmInfoHiiHandle, HandlerCount);
+ }
+
+ for (HandlerIndex = 0; HandlerIndex < HandlerCount; HandlerIndex++) {
+ ZeroMem (&CurrentHandlerContext, sizeof (CurrentHandlerContext));
+
+ CurrentHandlerContext.ModuleName = (CHAR8 *) ((UINTN)
CurrentImageAddress + CurrentImageExportDirectory->Name);
+ CurrentHandlerContext.Guid =
&CurrentExportDescriptorStruct->PrmHandlerExportDescriptors[HandlerIndex].PrmHandlerGuid;
+ CurrentHandlerContext.Name = (CHAR8 *)
CurrentExportDescriptorStruct->PrmHandlerExportDescriptors[HandlerIndex].PrmHandlerName;
+
+ if (PrintInformation) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN
(STR_PRMINFO_HANDLER_NAME), mPrmInfoHiiHandle, CurrentHandlerContext.Name);
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN
(STR_PRMINFO_HANDLER_GUID), mPrmInfoHiiHandle, CurrentHandlerContext.Guid);
+ }
+
+ Status = GetExportEntryAddress (
+ CurrentHandlerContext.Name,
+ CurrentImageAddress,
+ CurrentImageExportDirectory,
+ &CurrentHandlerPhysicalAddress
+ );
+ ASSERT_EFI_ERROR (Status);
+ if (!EFI_ERROR (Status)) {
+ CurrentHandlerContext.Handler = (PRM_HANDLER *) (UINTN)
CurrentHandlerPhysicalAddress;
+
+ if (PrintInformation) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN
(STR_PRMINFO_HANDLER_PA), mPrmInfoHiiHandle, CurrentHandlerPhysicalAddress);
+ }
+ } else {
+ if (PrintInformation) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN
(STR_PRMINFO_HANDLER_PA_ERROR), mPrmInfoHiiHandle, Status);
+ }
+ }
+
+ Status = GetContextBuffer (
+ CurrentHandlerContext.Guid,
+ CurrentModuleContextBuffers,
+ &CurrentContextBuffer
+ );
+ if (!EFI_ERROR (Status)) {
+ CurrentHandlerContext.StaticDataBuffer =
CurrentContextBuffer->StaticDataBuffer;
+ }
+
+ if (PrintInformation) {
+ if (CurrentHandlerContext.StaticDataBuffer != NULL) {
+ ShellPrintHiiEx (
+ -1,
+ -1,
+ NULL,
+ STRING_TOKEN (STR_PRMINFO_STATIC_DATA_BUFFER),
+ mPrmInfoHiiHandle,
+ (UINTN) CurrentHandlerContext.StaticDataBuffer
+ );
+ } else {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN
(STR_PRMINFO_LINE_BREAK), mPrmInfoHiiHandle);
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN
(STR_PRMINFO_NO_STATIC_BUFFER), mPrmInfoHiiHandle);
+ }
+ }
+
+ CurrentHandlerContextListEntry = CreateNewPrmHandlerListEntry ();
+ ASSERT (CurrentHandlerContextListEntry != NULL);
+ if (CurrentHandlerContextListEntry != NULL) {
+ CopyMem (
+ &CurrentHandlerContextListEntry->Context,
+ &CurrentHandlerContext,
+ sizeof (CurrentHandlerContextListEntry->Context)
+ );
+ InsertTailList (&mPrmHandlerList,
&CurrentHandlerContextListEntry->Link);
+ }
+ }
+ }
+}
+
+/**
+ Populates the given context buffer so it can be passed to a PRM handler.
+
+ @param[in] StaticDataBuffer A pointer to the static data buffer
that will be referenced in the context
+ buffer that is populated. This is an
optional pointer that, if not provided,
+ by passing NULL will be ignored.
+ @param[in] HandlerGuid A pointer to the GUID of the PRM
handler.
+ @param[in] ContextBuffer A pointer to a caller allocated
ContextBuffer structure that will be populated
+ by this function.
+
+ @retval EFI_SUCCESS The given ContextBuffer was populated
successfully.
+ @retval EFI_INVALID_PARAMETER The HandlerGuid or ContextBuffer
actual argument is NULL.
+
+**/
+EFI_STATUS
+PopulateContextBuffer (
+ IN PRM_DATA_BUFFER *StaticDataBuffer OPTIONAL,
+ IN EFI_GUID *HandlerGuid,
+ IN PRM_CONTEXT_BUFFER *ContextBuffer
+ )
+{
+ if (HandlerGuid == NULL || ContextBuffer == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ ZeroMem (ContextBuffer, sizeof (*ContextBuffer));
+
+ ContextBuffer->Signature = PRM_CONTEXT_BUFFER_SIGNATURE;
+ ContextBuffer->Version = PRM_CONTEXT_BUFFER_INTERFACE_VERSION;
+ CopyGuid (&ContextBuffer->HandlerGuid, HandlerGuid);
+
+ if (StaticDataBuffer != NULL) {
+ ContextBuffer->StaticDataBuffer = StaticDataBuffer;
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Prints a given execution time in the appropriate unit.
+
+ @param[in] TimeInNanoSec The time to print in unit of
nanoseconds.
+
+**/
+VOID
+PrintExecutionTime (
+ IN UINT64 TimeInNanoSec
+ )
+{
+ UINT64 Sec;
+ UINT64 MilliSec;
+ UINT64 MicroSec;
+ UINT64 NanoSec;
+ UINT64 RemainingTime;
+
+ Sec = 0;
+ MilliSec = 0;
+ MicroSec = 0;
+ NanoSec = 0;
+ RemainingTime = TimeInNanoSec;
+
+ if (RemainingTime > ONE_SECOND) {
+ Sec = DivU64x32 (RemainingTime, ONE_SECOND);
+ RemainingTime -= MultU64x32 (Sec, ONE_SECOND);
+ }
+
+ if (RemainingTime > ONE_MILLISECOND) {
+ MilliSec = DivU64x32 (RemainingTime, ONE_MILLISECOND);
+ RemainingTime -= MultU64x32 (MilliSec, ONE_MILLISECOND);
+ }
+
+ if (RemainingTime > ONE_MICROSECOND) {
+ MicroSec = DivU64x32 (RemainingTime, ONE_MICROSECOND);
+ RemainingTime -= MultU64x32 (MicroSec, ONE_MICROSECOND);
+ }
+
+ if (RemainingTime > 0) {
+ NanoSec = RemainingTime;
+ }
+
+ if (Sec > 0) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PRMINFO_SECS),
mPrmInfoHiiHandle, Sec, MilliSec, MicroSec, NanoSec);
+ } else if (MilliSec > 0) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PRMINFO_MILLI_SECS),
mPrmInfoHiiHandle, MilliSec, MicroSec, NanoSec);
+ } else if (MicroSec > 0) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PRMINFO_USECS),
mPrmInfoHiiHandle, MicroSec, NanoSec);
+ } else {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PRMINFO_NANO_SECS),
mPrmInfoHiiHandle, NanoSec);
+ }
+}
+
+/**
+ Executes the PRM handler with the provided GUID.
+
+ @param[in] HandlerGuid A pointer to the GUID of the PRM
handler to execute.
+ A zero GUID indicates that all PRM
handlers present should be executed.
+
+ @retval EFI_SUCCESS The PRM handler(s) were executed.
+ @retval EFI_INVALID_PARAMETER The HandlerGuid actual argument is
NULL.
+ @retval EFI_NOT_FOUND The PRM handler could not be found.
+
+**/
+EFI_STATUS
+ExecutePrmHandlerByGuid (
+ IN EFI_GUID *HandlerGuid
+ )
+{
+ EFI_STATUS Status;
+ BOOLEAN ExecuteAllHandlers;
+ BOOLEAN HandlerFound;
+ UINT64 StartTime;
+ UINT64 EndTime;
+ PRM_CONTEXT_BUFFER CurrentContextBuffer;
+ PRM_HANDLER_CONTEXT *HandlerContext;
+ PRM_HANDLER_CONTEXT_LIST_ENTRY *HandlerContextListEntry;
+ LIST_ENTRY *Link;
+
+ Link = NULL;
+ HandlerFound = FALSE;
+
+ if (HandlerGuid == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ //
+ // Zero GUID means execute all discovered handlers
+ //
+ ExecuteAllHandlers = CompareGuid (HandlerGuid, &gZeroGuid);
+
+ EFI_LIST_FOR_EACH (Link, &mPrmHandlerList) {
+ HandlerContextListEntry = CR (Link, PRM_HANDLER_CONTEXT_LIST_ENTRY, Link,
PRM_HANDLER_CONTEXT_LIST_ENTRY_SIGNATURE);
+ HandlerContext = &HandlerContextListEntry->Context;
+
+ if (!ExecuteAllHandlers && !CompareGuid (HandlerGuid,
HandlerContext->Guid)) {
+ continue;
+ }
+
+ HandlerFound = TRUE;
+ Status = PopulateContextBuffer (HandlerContext->StaticDataBuffer,
HandlerContext->Guid, &CurrentContextBuffer);
+ if (!EFI_ERROR (Status)) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PRMINFO_LINE_BREAK),
mPrmInfoHiiHandle);
+ ShellPrintHiiEx (
+ -1,
+ -1,
+ NULL,
+ STRING_TOKEN (STR_PRMINFO_MODULE_NAME),
+ mPrmInfoHiiHandle,
+ HandlerContext->ModuleName
+ );
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN
(STR_PRMINFO_HANDLER_NAME_HL), mPrmInfoHiiHandle, HandlerContext->Name);
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PRMINFO_HANDLER_GUID),
mPrmInfoHiiHandle, HandlerContext->Guid);
+
+ StartTime = 0;
+ EndTime = 0;
+ if (PcdGetBool (PcdPrmInfoPrintHandlerExecutionTime)) {
+ StartTime = GetPerformanceCounter ();
+ }
+ Status = HandlerContext->Handler (NULL, &CurrentContextBuffer);
+ if (PcdGetBool (PcdPrmInfoPrintHandlerExecutionTime)) {
+ EndTime = GetPerformanceCounter ();
+ }
+
+ if (EFI_ERROR (Status)) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN
(STR_PRMINFO_HANDLER_ERR_STATUS), mPrmInfoHiiHandle, Status);
+ } else {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN
(STR_PRMINFO_HANDLER_SUCC_STATUS), mPrmInfoHiiHandle, Status);
+ }
+
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN
(STR_PRMINFO_HANDLER_EXEC_TIME), mPrmInfoHiiHandle);
+ if (StartTime == 0 && EndTime == 0) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PRMINFO_UNKNOWN),
mPrmInfoHiiHandle);
+ } else {
+ PrintExecutionTime (GetTimeInNanoSecond (EndTime - StartTime));
+ }
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PRMINFO_LINE_BREAK),
mPrmInfoHiiHandle);
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PRMINFO_LINE_BREAK),
mPrmInfoHiiHandle);
+ } else {
+ DEBUG ((
+ DEBUG_ERROR,
+ "%a - %a: An error occurred creating a context buffer for handler
%g\n",
+ gEfiCallerBaseName,
+ __FUNCTION__,
+ HandlerContext->Guid
+ ));
+ }
+
+ if (!ExecuteAllHandlers) {
+ break;
+ }
+ }
+
+ if (!HandlerFound) {
+ return EFI_NOT_FOUND;
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Parses the application parameter list and performs the appropriate
operations based on the results.
+
+ @retval EFI_SUCCESS The parameter list was parsed
successfully.
+ @retval EFI_INVALID_PARAMETER An invalid parameter was given to the
application.
+ @retval EFI_LOAD_ERROR An error occurred loading the
application.
+
+**/
+EFI_STATUS
+ParseParameterList (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+ SHELL_STATUS ReturnStatus;
+ UINTN ArgumentCount;
+ EFI_GUID HandlerGuid;
+ BOOLEAN PrintHandlerInfo;
+ LIST_ENTRY *Package;
+ LIST_ENTRY *TempNode;
+ CHAR16 *ProblemParam;
+ CONST CHAR16 *HandlerGuidStr;
+
+ HandlerGuidStr = NULL;
+ Package = NULL;
+ PrintHandlerInfo = FALSE;
+ ReturnStatus = EFI_SUCCESS;
+
+ InitializeListHead (&mPrmHandlerList);
+
+ //
+ // Basic application parameter validation
+ //
+ Status = ShellCommandLineParseEx (mParamList, &Package, &ProblemParam,
FALSE, FALSE);
+ if (EFI_ERROR (Status)) {
+ if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PRMINFO_GEN_PROBLEM),
mPrmInfoHiiHandle, APPLICATION_NAME, ProblemParam);
+ ReturnStatus = EFI_INVALID_PARAMETER;
+ FreePool (ProblemParam);
+ } else {
+ ReturnStatus = EFI_LOAD_ERROR;
+ ASSERT (FALSE);
+ }
+
+ goto Done;
+ } else if (Package == NULL) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PRMINFO_NO_ARG),
mPrmInfoHiiHandle, APPLICATION_NAME);
+ ReturnStatus = EFI_INVALID_PARAMETER;
+ goto Done;
+ }
+
+ //
+ // Get argument count including flags
+ //
+ for (
+ ArgumentCount = 0, TempNode = Package;
+ GetNextNode (Package, TempNode) != Package;
+ ArgumentCount++, TempNode = GetNextNode (Package, TempNode)
+ );
+
+ if (ArgumentCount == 1) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PRMINFO_NO_ARG),
mPrmInfoHiiHandle, APPLICATION_NAME);
+ ReturnStatus = EFI_INVALID_PARAMETER;
+ goto Done;
+ }
+
+ if (ArgumentCount > 6) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PRMINFO_TOO_MANY),
mPrmInfoHiiHandle, APPLICATION_NAME);
+ ReturnStatus = EFI_INVALID_PARAMETER;
+ goto Done;
+ }
+
+ //
+ // Parse the actual arguments provided
+ //
+ if (ShellCommandLineGetFlag (Package, L"-b")) {
+ if (ArgumentCount <= 2) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PRMINFO_PARAM_INV),
mPrmInfoHiiHandle, APPLICATION_NAME, L"-b");
+ ReturnStatus = EFI_INVALID_PARAMETER;
+ goto Done;
+ } else {
+ ShellSetPageBreakMode (TRUE);
+ }
+ }
+
+ if (ShellCommandLineGetFlag (Package, L"-l")) {
+ PrintHandlerInfo = TRUE;
+ }
+
+ if (ShellCommandLineGetFlag (Package, L"-t")) {
+ HandlerGuidStr = ShellCommandLineGetValue (Package, L"-t");
+ if (HandlerGuidStr != NULL) {
+ if (StrnCmp (HandlerGuidStr, L"all", StrLen (HandlerGuidStr)) == 0) {
+ CopyGuid (&HandlerGuid, &gZeroGuid);
+ } else {
+ Status = StrToGuid (HandlerGuidStr, &HandlerGuid);
+ if (EFI_ERROR (Status) || (HandlerGuidStr[GUID_STRING_LENGTH] !=
L'\0')) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PRMINFO_GUID_INV),
mPrmInfoHiiHandle, APPLICATION_NAME, HandlerGuidStr);
+ ReturnStatus = EFI_INVALID_PARAMETER;
+ goto Done;
+ }
+ }
+ } else {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PRMINFO_NO_VALUE),
mPrmInfoHiiHandle, APPLICATION_NAME, L"-t");
+ ReturnStatus = EFI_INVALID_PARAMETER;
+ goto Done;
+ }
+ }
+
+ Status = DiscoverPrmModules (&mPrmModuleCount, &mPrmHandlerCount);
+ if (EFI_ERROR (Status)) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN
(STR_PRMINFO_DISCOVERY_FAILED), mPrmInfoHiiHandle, APPLICATION_NAME);
+ DEBUG ((
+ DEBUG_ERROR,
+ "%a - %a: An error occurred during PRM module discovery (%r)\n",
+ gEfiCallerBaseName,
+ __FUNCTION__,
+ Status
+ ));
+ ReturnStatus = Status;
+ goto Done;
+ }
+
+ if (PrintHandlerInfo) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PRMINFO_LIST_TITLE),
mPrmInfoHiiHandle);
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PRMINFO_MODULES_FOUND),
mPrmInfoHiiHandle, mPrmModuleCount);
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PRMINFO_HANDLERS_FOUND),
mPrmInfoHiiHandle, mPrmHandlerCount);
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PRMINFO_LINE_BREAK),
mPrmInfoHiiHandle);
+ }
+ GatherPrmHandlerInfo (PrintHandlerInfo);
+
+ if (HandlerGuidStr != NULL) {
+ Status = ExecutePrmHandlerByGuid (&HandlerGuid);
+ if (Status == EFI_NOT_FOUND) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN
(STR_PRMINFO_HANDLER_NOT_FOUND), mPrmInfoHiiHandle, APPLICATION_NAME,
HandlerGuid);
+ }
+ }
+
+Done:
+ FreeList (&mPrmHandlerList);
+
+ if (Package != NULL) {
+ ShellCommandLineFreeVarList (Package);
+ }
+
+ return ReturnStatus;
+}
+
+/**
+ Entry point of this UEFI application.
+
+ @param[in] ImageHandle The firmware allocated handle for the
EFI image.
+ @param[in] SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The entry point is executed
successfully.
+ @retval other Some error occurs when executing this
entry point.
+
+**/
+EFI_STATUS
+EFIAPI
+UefiMain (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+ EFI_HII_PACKAGE_LIST_HEADER *PackageList;
+
+ //
+ // Retrieve the HII package list from ImageHandle
+ //
+ Status = gBS->OpenProtocol (
+ ImageHandle,
+ &gEfiHiiPackageListProtocolGuid,
+ (VOID **) &PackageList,
+ ImageHandle,
+ NULL,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Publish the HII package list to the HII Database
+ //
+ Status = gHiiDatabase->NewPackageList (
+ gHiiDatabase,
+ PackageList,
+ NULL,
+ &mPrmInfoHiiHandle
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ if (mPrmInfoHiiHandle == NULL) {
+ return EFI_SUCCESS;
+ }
+
+ Status = ParseParameterList ();
+ if (EFI_ERROR (Status)) {
+ DEBUG ((
+ DEBUG_ERROR,
+ "%a - %a: An error occurred parsing user-provided arguments (%r)\n",
+ gEfiCallerBaseName,
+ __FUNCTION__,
+ Status
+ ));
+ }
+
+ if (mPrmInfoHiiHandle != NULL) {
+ HiiRemovePackages (mPrmInfoHiiHandle);
+ }
+
+ return EFI_SUCCESS;
+}
diff --git a/PrmPkg/Application/PrmInfo/PrmInfo.h
b/PrmPkg/Application/PrmInfo/PrmInfo.h
new file mode 100644
index 000000000000..c2c3fa2f23fc
--- /dev/null
+++ b/PrmPkg/Application/PrmInfo/PrmInfo.h
@@ -0,0 +1,49 @@
+/** @file
+ Prints information about the PRM configuration loaded by the system firmware.
+
+ Copyright (C) Microsoft Corporation. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef PRM_INFO_H_
+#define PRM_INFO_H_
+
+#include <Base.h>
+#include <Prm.h>
+#include <PrmDataBuffer.h>
+#include <Uefi.h>
+
+#define APPLICATION_NAME L"PrmInfo"
+
+#define PRM_HANDLER_CONTEXT_LIST_ENTRY_SIGNATURE SIGNATURE_32('P','R','H','E')
+
+#pragma pack(push, 1)
+
+typedef struct {
+ CHAR8 *Name;
+ EFI_GUID *Guid;
+ PRM_DATA_BUFFER *StaticDataBuffer;
+ CHAR8 *ModuleName;
+ PRM_HANDLER *Handler;
+} PRM_HANDLER_CONTEXT;
+
+typedef struct {
+ UINTN Signature;
+ LIST_ENTRY Link;
+ PRM_HANDLER_CONTEXT Context;
+} PRM_HANDLER_CONTEXT_LIST_ENTRY;
+
+#pragma pack(pop)
+
+//
+// Iterate through the double linked list. NOT delete safe.
+//
+#define EFI_LIST_FOR_EACH(Entry, ListHead) \
+ for(Entry = (ListHead)->ForwardLink; Entry != (ListHead); Entry =
Entry->ForwardLink)
+
+#define ONE_MICROSECOND (1000)
+#define ONE_MILLISECOND (1000 * ONE_MICROSECOND)
+#define ONE_SECOND (1000 * ONE_MILLISECOND)
+
+#endif
diff --git a/PrmPkg/Application/PrmInfo/PrmInfo.inf
b/PrmPkg/Application/PrmInfo/PrmInfo.inf
new file mode 100644
index 000000000000..df8fb9ccc0db
--- /dev/null
+++ b/PrmPkg/Application/PrmInfo/PrmInfo.inf
@@ -0,0 +1,66 @@
+## @file
+# PrmInfo.inf
+#
+# Reports information about the PRM configuration currently loaded on the
system.
+#
+# Copyright (C) Microsoft Corporation. All rights reserved.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010017
+ BASE_NAME = PrmInfo
+ FILE_GUID = F26C503B-BD8E-4274-A80B-2C4E20FADA6E
+ MODULE_TYPE = UEFI_APPLICATION
+ VERSION_STRING = 1.0
+ ENTRY_POINT = UefiMain
+ UEFI_HII_RESOURCE_SECTION = TRUE
+ MODULE_UNI_FILE = PrmInfo.uni
+
+#
+# The following information is for reference only and not required by the
build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64 ARM AARCH64
+#
+
+[Sources]
+ PrmInfoStrings.uni
+ PrmInfo.h
+ PrmInfo.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+ ShellPkg/ShellPkg.dec
+ PrmPkg/PrmPkg.dec
+
+[LibraryClasses]
+ BaseLib
+ BaseMemoryLib
+ DebugLib
+ HiiLib
+ MemoryAllocationLib
+ PcdLib
+ PrmContextBufferLib
+ PrmModuleDiscoveryLib
+ PrmPeCoffLib
+ ShellLib
+ TimerLib
+ UefiApplicationEntryPoint
+ UefiBootServicesTableLib
+ UefiHiiServicesLib
+ UefiLib
+
+[Pcd]
+ gPrmPkgTokenSpaceGuid.PcdPrmInfoPrintHandlerExecutionTime
+
+[Protocols]
+ gEfiHiiPackageListProtocolGuid ## CONSUMES
+
+[Guids]
+ gPrmHiiGuid
+ gZeroGuid
+
+[UserExtensions.TianoCore."ExtraFiles"]
+ PrmInfoExtra.uni
diff --git a/PrmPkg/Application/PrmInfo/PrmInfo.uni
b/PrmPkg/Application/PrmInfo/PrmInfo.uni
new file mode 100644
index 000000000000..1b65e117e8e2
--- /dev/null
+++ b/PrmPkg/Application/PrmInfo/PrmInfo.uni
@@ -0,0 +1,11 @@
+// /**
+// Platform Runtime Mechanism (PRM) Information UEFI shell application
+//
+// Copyright (C) Microsoft Corporation. All rights reserved.
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+// */
+
+#string STR_MODULE_ABSTRACT #language en-US "A shell application that
displays information about the PRM configuration loaded by system firmware"
+
+#string STR_MODULE_DESCRIPTION #language en-US "This application displays
information about the PRM configuration loaded by system firmware."
diff --git a/PrmPkg/Application/PrmInfo/PrmInfoExtra.uni
b/PrmPkg/Application/PrmInfo/PrmInfoExtra.uni
new file mode 100644
index 000000000000..f50c17903a0a
--- /dev/null
+++ b/PrmPkg/Application/PrmInfo/PrmInfoExtra.uni
@@ -0,0 +1,12 @@
+// /** @file
+// PrmInfo Localized Strings and Content
+//
+// Copyright (C) Microsoft Corporation. All rights reserved.
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+// **/
+
+#string STR_PROPERTIES_MODULE_NAME
+#language en-US
+"Platform Runtime Mechanism (PRM) Information Application"
diff --git a/PrmPkg/Application/PrmInfo/PrmInfoStrings.uni
b/PrmPkg/Application/PrmInfo/PrmInfoStrings.uni
new file mode 100644
index 000000000000..9385fd848344
--- /dev/null
+++ b/PrmPkg/Application/PrmInfo/PrmInfoStrings.uni
@@ -0,0 +1,132 @@
+/** @file
+ String definitions for the PRM Information UEFI shell application.
+
+ Copyright (C) Microsoft Corporation. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+*/
+
+#langdef en-US "English"
+
+//
+// Parameter error messages
+//
+#string STR_PRMINFO_DISCOVERY_FAILED #language en-US "%H%s%N: PRM module
discovery failed.\r\n"
+#string STR_PRMINFO_GEN_PROBLEM #language en-US "%H%s%N: Unknown flag -
'%H%s%N'\r\n"
+#string STR_PRMINFO_GUID_INV #language en-US "%H%s%N: Invalid GUID -
'%H%s%N'\r\n"
+#string STR_PRMINFO_HANDLER_NOT_FOUND #language en-US "%H%s%N: PRM Handler not
found - '%H{%g}%N'\r\n"
+#string STR_PRMINFO_MISSING_OPTION #language en-US "%H%s%N: Missing option
'%H%s%N' required by flag - '%H%s%N'\r\n"
+#string STR_PRMINFO_NO_ARG #language en-US "%H%s%N: An argument
must be provided, try "-?" for help.\n"
+#string STR_PRMINFO_NO_VALUE #language en-US "%H%s%N: Missing
argument for flag - '%H%s%N'\r\n"
+#string STR_PRMINFO_PARAM_INV #language en-US "%H%s%N: Invalid
argument - '%H%s%N', try "-?" for help.\r\n"
+#string STR_PRMINFO_TOO_MANY #language en-US "%H%s%N: Too many
arguments.\r\n"
+
+//
+// Application informational messages
+//
+#string STR_PRMINFO_HANDLER_COUNT #language en-US " Handler Count:
%d\r\n"
+#string STR_PRMINFO_HANDLER_EXEC_TIME #language en-US " Execution Time: "
+#string STR_PRMINFO_HANDLER_GUID #language en-US " Handler GUID:
%g\r\n"
+#string STR_PRMINFO_HANDLER_NAME #language en-US " Handler Name:
%a\r\n"
+#string STR_PRMINFO_HANDLER_NAME_HL #language en-US " Handler Name:
%H%a%N\r\n"
+#string STR_PRMINFO_HANDLER_PA #language en-US " Handler Physical
Address: 0x%016x\r\n"
+#string STR_PRMINFO_HANDLER_ERR_STATUS #language en-US " Return Status:
%E%r%N\r\n"
+#string STR_PRMINFO_HANDLER_SUCC_STATUS #language en-US " Return Status:
%V%r%N\r\n"
+#string STR_PRMINFO_HANDLERS_FOUND #language en-US " %d PRM handlers
found.\r\n"
+#string STR_PRMINFO_LINE_BREAK #language en-US "\r\n"
+#string STR_PRMINFO_LIST_TITLE #language en-US "PRM Modules and
Handlers:\r\n"
+#string STR_PRMINFO_MODULE_GUID #language en-US "Module GUID: %g\r\n"
+#string STR_PRMINFO_MODULE_NAME #language en-US "Module Name: %a\r\n"
+#string STR_PRMINFO_MODULE_VERSION #language en-US "Module Version:
%02d.%02d\r\n\r\n"
+#string STR_PRMINFO_MODULES_FOUND #language en-US " %d PRM modules
found.\r\n"
+#string STR_PRMINFO_NO_MMIO_RANGES #language en-US " No runtime MMIO
ranges used by this module.\r\n"
+#string STR_PRMINFO_NO_STATIC_BUFFER #language en-US " This handler
does not define a static data buffer.\r\n\r\n"
+#string STR_PRMINFO_RUNTIME_MMIO_COUNT #language en-US " Runtime MMIO Range
Count: %d\r\n"
+#string STR_PRMINFO_RUNTIME_MMIO_INFO #language en-US " [%d]: Physical
Base Address = 0x%016x\r\n Virtual Base Address = 0x%016x\r\n
Length = 0x%x\r\n"
+#string STR_PRMINFO_STATIC_DATA_BUFFER #language en-US " Static Data
Buffer: 0x%016x\r\n"
+#string STR_PRMINFO_UNKNOWN #language en-US "Unknown"
+#string STR_PRMINFO_USECS #language en-US "%H%ld.%ld
microseconds%N"
+#string STR_PRMINFO_NANO_SECS #language en-US "%H%ld nanoseconds%N"
+#string STR_PRMINFO_SECS #language en-US "%H%ld.%ld%ld%ld
seconds%N"
+#string STR_PRMINFO_MILLI_SECS #language en-US "%H%ld.%ld%ld
milliseconds%N"
+
+//
+// Application error messages
+//
+#string STR_PRMINFO_HANDLER_PA_ERROR #language en-US " An ERROR (%r)
occurred determining the handler physical address.\r\n"
+
+#string STR_PRMINFO_HELP #language en-US ""
+".TH PrmInfo 0 "Display and test Platform Runtime Mechanism (PRM)
modules."\r\n"
+".SH NAME:\r\n"
+"Display and test Platform Runtime Mechanism (PRM) modules.\r\n"
+".SH SYNOPSIS\r\n"
+"\r\n"
+"PRMINFO [[-?] | [-b] [-l] [-r] [-t (guid | all)]]\r\n"
+".SH OPTIONS\r\n"
+" \r\n"
+" -? - Show help.\r\n"
+" -b - Displays one screen of output at a time.\r\n"
+" -l - Display a list of installed PRM modules and handlers.\r\n"
+" -t - Call a given PRM handler by the specified GUID.\r\n"
+" guid - A 32 digit GUID string with hyphen separation with no
enclosing\r\n"
+" character such as braces.\r\n"
+" Example: 00000000-0000-0000-0000-000000000000\r\n"
+" all - The string 'all' indicating all PRM handlers should be
called\r\n"
+" in order discovered.\r\n"
+".SH DESCRIPTION\r\n"
+" \r\n"
+" This program is provided to allow examination of the Platform Runtime\r\n"
+" Mechanism (PRM) configuration present on the current system. In
addition,\r\n"
+" the application contains some lightweight tests to verify that the
firmware\r\n"
+" set up the PRM information that will be conveyed to the loaded
operating\r\n"
+" system correctly.\r\n"
+" \r\n"
+" Default behavior is to display the content of all the PRM modules and\r\n"
+" handlers currently installed (equivalent to the -l argument). To
facilitate\r\n"
+" debugging and verifying correct implementation of the PRM
infrastructure\r\n"
+" and PRM modules in a given firmware, the application can also call a\r\n"
+" given PRM handler and perform basic validation of the PRMT ACPI table\r\n"
+" to confirm it satisfies the basic constraints required for the table\r\n"
+" in the PRM Specification.\r\n"
+" \r\n"
+"NOTES:\r\n"
+" 1. Calling PRM handlers from this application:\r\n"
+" - The user should exercise caution when calling PRM handlers in the\r\n"
+" pre-OS environment. The PRM author may have only considered\r\n"
+" execution within the context of OS runtime."
+"\r\n"
+" - The application will not perform any manipulation of PRM handler\r\n"
+" parameter buffers prior to calling the handler.\r\n"
+"\r\n"
+" - This feature is intended to provide a quick method to exercise\r\n"
+" PRM code without loading a full OS that is PRM aware and to
perform\r\n"
+" testing of PRM code that is aware it will be executed in such an\r\n"
+" environment. It is not recommended to call PRM handlers on a\r\n"
+" production system if you are not fully aware of how the PRM
handler\r\n"
+" behaves and any side effect(s) it might have on the system.\r\n"
+".SH STANDARDS\r\n"
+" \r\n"
+"STANDARDS:\r\n"
+" Platform Runtime Mechanism (PRM) is currently in a draft state and the\r\n"
+" specification is not yet publicly available. A reference to the
publicly\r\n"
+" available document will replace this text when it is available.\r\n"
+".SH EXAMPLES\r\n"
+" \r\n"
+"EXAMPLES:\r\n"
+" * To display a list of the installed PRM modules and PRM handlers:\r\n"
+" fs0:\> prminfo -l\r\n"
+" \r\n"
+" * To validate the installed PRMT ACPI table:\r\n"
+" fs0:\> prminfo -r\r\n"
+" \r\n"
+" * To call a PRM handler by GUID:\r\n"
+" fs0:\> prminfo -t e1466081-7562-430f-896b-b0e523dc335a\r\n"
+" \r\n"
+" * To call all of the PRM handlers discovered on the system:\r\n"
+" fs0:\> prminfo -t all\r\n"
+".SH RETURNVALUES\r\n"
+" \r\n"
+"RETURN VALUES:\r\n"
+" SHELL_SUCCESS Data was displayed as requested.\r\n"
+" SHELL_INVALID_PARAMETER The operation failed.\r\n"
+" \r\n"
diff --git a/PrmPkg/PrmPkg.dec b/PrmPkg/PrmPkg.dec
index 785e2c24c2f9..94888d1c70a4 100644
--- a/PrmPkg/PrmPkg.dec
+++ b/PrmPkg/PrmPkg.dec
@@ -30,6 +30,7 @@ [Includes]
[Guids]
gPrmPkgTokenSpaceGuid = { 0x46f56acc, 0x600b, 0x450f, { 0xa5, 0x9c, 0x3a,
0x1a, 0x4a, 0xd4, 0x35, 0x3e }}
+ gPrmHiiGuid = { 0xee4cd885, 0xd104, 0x4056, { 0x84, 0xba, 0x46, 0x18, 0x82,
0xa7, 0x2a, 0x18 }}
[LibraryClasses]
## @libraryclass Provides a general abstraction for PRM context buffer
management
@@ -55,3 +56,12 @@ [PcdsFixedAtBuild]
## Size in bytes of a PRM firmware volume
gPrmPkgTokenSpaceGuid.PcdFlashFvPrmSize|0x00000000|UINT32|0x00000002
+
+ ## Print PRM handler execution time in PrmInfo
+ #
+ # Provides an option to disable usage of a timer library to record PRM
handler
+ # execution time. In most cases, the platform should provide a valid
TimerLib
+ # instance that can be used when the application is built with that package
to
+ # report PRM handler execution time in the application. If such a TimerLib
+ # instance is not available, set this PCD to FALSE in the package DSC file.
+
gPrmPkgTokenSpaceGuid.PcdPrmInfoPrintHandlerExecutionTime|TRUE|BOOLEAN|0x00000003
diff --git a/PrmPkg/PrmPkg.dsc b/PrmPkg/PrmPkg.dsc
index e876f2053a8e..5241354cb220 100644
--- a/PrmPkg/PrmPkg.dsc
+++ b/PrmPkg/PrmPkg.dsc
@@ -36,13 +36,14 @@ [LibraryClasses.common]
RegisterFilterLib|MdePkg/Library/RegisterFilterLibNull/RegisterFilterLibNull.inf
RngLib|MdePkg/Library/BaseRngLib/BaseRngLib.inf
UefiBootServicesTableLib|MdePkg/Library/UefiBootServicesTableLib/UefiBootServicesTableLib.inf
+
UefiRuntimeServicesTableLib|MdePkg/Library/UefiRuntimeServicesTableLib/UefiRuntimeServicesTableLib.inf
-[LibraryClasses.common.DXE_DRIVER, LibraryClasses.common.DXE_RUNTIME_DRIVER]
+[LibraryClasses.common.DXE_DRIVER, LibraryClasses.common.DXE_RUNTIME_DRIVER,
LibraryClasses.common.UEFI_APPLICATION]
#
# EDK II Packages
#
BaseMemoryLib|MdePkg/Library/BaseMemoryLibOptDxe/BaseMemoryLibOptDxe.inf
- DevicePathLib|MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf
+
DevicePathLib|MdePkg/Library/UefiDevicePathLibDevicePathProtocol/UefiDevicePathLibDevicePathProtocol.inf
DxeServicesTableLib|MdePkg/Library/DxeServicesTableLib/DxeServicesTableLib.inf
HobLib|MdePkg/Library/DxeHobLib/DxeHobLib.inf
MemoryAllocationLib|MdePkg/Library/UefiMemoryAllocationLib/UefiMemoryAllocationLib.inf
@@ -59,6 +60,24 @@ [LibraryClasses.common.DXE_DRIVER,
LibraryClasses.common.DXE_RUNTIME_DRIVER]
PrmPeCoffLib|$(PLATFORM_PACKAGE)/Library/DxePrmPeCoffLib/DxePrmPeCoffLib.inf
+[LibraryClasses.common.UEFI_APPLICATION]
+ FileHandleLib|MdePkg/Library/UefiFileHandleLib/UefiFileHandleLib.inf
+ HiiLib|MdeModulePkg/Library/UefiHiiLib/UefiHiiLib.inf
+ ShellLib|ShellPkg/Library/UefiShellLib/UefiShellLib.inf
+ SortLib|MdeModulePkg/Library/UefiSortLib/UefiSortLib.inf
+ TimerLib|MdePkg/Library/BaseTimerLibNullTemplate/BaseTimerLibNullTemplate.inf
+
UefiApplicationEntryPoint|MdePkg/Library/UefiApplicationEntryPoint/UefiApplicationEntryPoint.inf
+
UefiHiiServicesLib|MdeModulePkg/Library/UefiHiiServicesLib/UefiHiiServicesLib.inf
+
+################################################################################
+#
+# Pcd Section - List of PCD entries modified by this package
+#
+################################################################################
+
+[PcdsFixedAtBuild.common]
+ gPrmPkgTokenSpaceGuid.PcdPrmInfoPrintHandlerExecutionTime|FALSE
+
###################################################################################################
#
# Components Section - List of the modules and components that will be
processed by compilation
@@ -116,6 +135,11 @@ [Components]
}
$(PLATFORM_PACKAGE)/Samples/PrmSampleContextBufferModule/PrmSampleContextBufferModule.inf
+ #
+ # PRM Information UEFI Application
+ #
+ $(PLATFORM_PACKAGE)/Application/PrmInfo/PrmInfo.inf
+
#
# The SampleMemoryAllocationModule was used during a time in the POC when
the OS
# provided memory allocation services. This module was successful in using
those services.
diff --git a/PrmPkg/Readme.md b/PrmPkg/Readme.md
index b79cb66c4790..2a8a40c924c0 100644
--- a/PrmPkg/Readme.md
+++ b/PrmPkg/Readme.md
@@ -118,6 +118,25 @@ maintained in PrmPkg. It is intended to only contain PRM
infrastructure code and
that infrastructure. The PrmPkg is meant to be used as-is by firmware that
supports PRM. Any shortcomings that
prevent the package from being used as-is should be addressed directly in
PrmPkg.
+## PRM Information UEFI Application
+A UEFI application is provided in this package called "PrmInfo" that allows a
user to display and test PRM
+modules on their system.
+
+[Link to application source code](PrmPkg/Application/PrmInfo).
+
+This application is intended to be helpful during PRM enabling by allowing the
user to:
+ 1. Confirm that their firmware port of the PRM infrastructure implemented in
this package is functioning correctly.
+ 2. Quickly get information about what PRM modules and handlers that are
present on a given system.
+ 3. Quickly test PRM handlers without booting into a full operating system.
+ 4. Develop and exercise PRM handlers prior to the availability of an
operating system that is PRM aware.
+
+Execute the application help command for detailed usage instructions and
examples of how to use the application: \
+ ``PrmInfo -?``
+
+*Example Usage:*
+
+
+
## PRM Module
> __*Note*__: You can find simple examples of PRM modules in the Samples
> directory of this package.
--
2.28.0.windows.1
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