From af1a266670d040d2f4083ff309d732d648afba2a Mon Sep 17 00:00:00 2001
From: Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com>
Date: Tue, 10 Oct 2023 14:33:42 +0000
Subject: Add submodule dependency files

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
---
 .../Library/DxeCapsuleLibFmp/DxeCapsuleRuntime.c   | 174 +++++++++++++++++++++
 1 file changed, 174 insertions(+)
 create mode 100644 roms/edk2/MdeModulePkg/Library/DxeCapsuleLibFmp/DxeCapsuleRuntime.c

(limited to 'roms/edk2/MdeModulePkg/Library/DxeCapsuleLibFmp/DxeCapsuleRuntime.c')

diff --git a/roms/edk2/MdeModulePkg/Library/DxeCapsuleLibFmp/DxeCapsuleRuntime.c b/roms/edk2/MdeModulePkg/Library/DxeCapsuleLibFmp/DxeCapsuleRuntime.c
new file mode 100644
index 000000000..f94044a40
--- /dev/null
+++ b/roms/edk2/MdeModulePkg/Library/DxeCapsuleLibFmp/DxeCapsuleRuntime.c
@@ -0,0 +1,174 @@
+/** @file
+  Capsule library runtime support.
+
+  Copyright (c) 2016 - 2017, Intel Corporation. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <PiDxe.h>
+
+#include <Guid/FmpCapsule.h>
+#include <Guid/SystemResourceTable.h>
+#include <Guid/EventGroup.h>
+
+#include <Library/BaseLib.h>
+#include <Library/DebugLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DxeServicesTableLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include <Library/MemoryAllocationLib.h>
+
+extern EFI_SYSTEM_RESOURCE_TABLE *mEsrtTable;
+extern BOOLEAN                   mIsVirtualAddrConverted;
+EFI_EVENT                 mDxeRuntimeCapsuleLibVirtualAddressChangeEvent  = NULL;
+EFI_EVENT                 mDxeRuntimeCapsuleLibReadyToBootEvent  = NULL;
+
+/**
+  Convert EsrtTable physical address to virtual address.
+
+  @param[in] Event      Event whose notification function is being invoked.
+  @param[in] Context    The pointer to the notification function's context, which
+                        is implementation-dependent.
+**/
+VOID
+EFIAPI
+DxeCapsuleLibVirtualAddressChangeEvent (
+  IN  EFI_EVENT   Event,
+  IN  VOID        *Context
+  )
+{
+  gRT->ConvertPointer (EFI_OPTIONAL_PTR, (VOID **)&mEsrtTable);
+  mIsVirtualAddrConverted = TRUE;
+}
+
+/**
+  Notify function for event group EFI_EVENT_GROUP_READY_TO_BOOT.
+
+  @param[in]  Event   The Event that is being processed.
+  @param[in]  Context The Event Context.
+
+**/
+STATIC
+VOID
+EFIAPI
+DxeCapsuleLibReadyToBootEventNotify (
+  IN EFI_EVENT        Event,
+  IN VOID             *Context
+  )
+{
+  UINTN                       Index;
+  EFI_CONFIGURATION_TABLE     *ConfigEntry;
+  EFI_SYSTEM_RESOURCE_TABLE   *EsrtTable;
+
+  //
+  // Get Esrt table first
+  //
+  ConfigEntry = gST->ConfigurationTable;
+  for (Index = 0; Index < gST->NumberOfTableEntries; Index++) {
+    if (CompareGuid(&gEfiSystemResourceTableGuid, &ConfigEntry->VendorGuid)) {
+      break;
+    }
+    ConfigEntry++;
+  }
+
+  //
+  // If no Esrt table installed in Configure Table
+  //
+  if (Index < gST->NumberOfTableEntries) {
+    //
+    // Search Esrt to check given capsule is qualified
+    //
+    EsrtTable = (EFI_SYSTEM_RESOURCE_TABLE *) ConfigEntry->VendorTable;
+
+    mEsrtTable = AllocateRuntimeCopyPool (
+                   sizeof (EFI_SYSTEM_RESOURCE_TABLE) +
+                   EsrtTable->FwResourceCount * sizeof (EFI_SYSTEM_RESOURCE_ENTRY),
+                   EsrtTable);
+    ASSERT (mEsrtTable != NULL);
+
+    //
+    // Set FwResourceCountMax to a sane value.
+    //
+    mEsrtTable->FwResourceCountMax = mEsrtTable->FwResourceCount;
+  }
+}
+
+/**
+  The constructor function hook VirtualAddressChange event to use ESRT table as capsule routing table.
+
+  @param  ImageHandle   The firmware allocated handle for the EFI image.
+  @param  SystemTable   A pointer to the EFI System Table.
+
+  @retval EFI_SUCCESS   The constructor successfully .
+**/
+EFI_STATUS
+EFIAPI
+DxeRuntimeCapsuleLibConstructor (
+  IN EFI_HANDLE         ImageHandle,
+  IN EFI_SYSTEM_TABLE   *SystemTable
+  )
+{
+  EFI_STATUS     Status;
+
+  //
+  // Make sure we can handle virtual address changes.
+  //
+  Status = gBS->CreateEventEx (
+                  EVT_NOTIFY_SIGNAL,
+                  TPL_NOTIFY,
+                  DxeCapsuleLibVirtualAddressChangeEvent,
+                  NULL,
+                  &gEfiEventVirtualAddressChangeGuid,
+                  &mDxeRuntimeCapsuleLibVirtualAddressChangeEvent
+                  );
+  ASSERT_EFI_ERROR (Status);
+
+  //
+  // Register notify function to cache the FMP capsule GUIDs at ReadyToBoot.
+  //
+  Status = gBS->CreateEventEx (
+                  EVT_NOTIFY_SIGNAL,
+                  TPL_CALLBACK,
+                  DxeCapsuleLibReadyToBootEventNotify,
+                  NULL,
+                  &gEfiEventReadyToBootGuid,
+                  &mDxeRuntimeCapsuleLibReadyToBootEvent
+                  );
+  ASSERT_EFI_ERROR (Status);
+
+  return EFI_SUCCESS;
+}
+
+/**
+  The destructor function closes the VirtualAddressChange event.
+
+  @param  ImageHandle   The firmware allocated handle for the EFI image.
+  @param  SystemTable   A pointer to the EFI System Table.
+
+  @retval EFI_SUCCESS   The destructor completed successfully.
+**/
+EFI_STATUS
+EFIAPI
+DxeRuntimeCapsuleLibDestructor (
+  IN EFI_HANDLE         ImageHandle,
+  IN EFI_SYSTEM_TABLE   *SystemTable
+  )
+{
+  EFI_STATUS    Status;
+
+  //
+  // Close the VirtualAddressChange event.
+  //
+  Status = gBS->CloseEvent (mDxeRuntimeCapsuleLibVirtualAddressChangeEvent);
+  ASSERT_EFI_ERROR (Status);
+
+  //
+  // Close the ReadyToBoot event.
+  //
+  Status = gBS->CloseEvent (mDxeRuntimeCapsuleLibReadyToBootEvent);
+  ASSERT_EFI_ERROR (Status);
+
+  return EFI_SUCCESS;
+}
-- 
cgit 1.2.3-korg