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
---
 roms/edk2/OvmfPkg/SmbiosPlatformDxe/Qemu.c | 48 ++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 roms/edk2/OvmfPkg/SmbiosPlatformDxe/Qemu.c

(limited to 'roms/edk2/OvmfPkg/SmbiosPlatformDxe/Qemu.c')

diff --git a/roms/edk2/OvmfPkg/SmbiosPlatformDxe/Qemu.c b/roms/edk2/OvmfPkg/SmbiosPlatformDxe/Qemu.c
new file mode 100644
index 000000000..e34658238
--- /dev/null
+++ b/roms/edk2/OvmfPkg/SmbiosPlatformDxe/Qemu.c
@@ -0,0 +1,48 @@
+/** @file
+  Find and extract QEMU SMBIOS data from fw_cfg.
+
+  Copyright (C) 2014, Gabriel L. Somlo <somlo@cmu.edu>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include "SmbiosPlatformDxe.h"
+#include <Library/QemuFwCfgLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/PcdLib.h>
+
+/**
+  Locates and extracts the QEMU SMBIOS data if present in fw_cfg
+
+  @return                 Address of extracted QEMU SMBIOS data
+
+**/
+UINT8 *
+GetQemuSmbiosTables (
+  VOID
+  )
+{
+  EFI_STATUS               Status;
+  FIRMWARE_CONFIG_ITEM     Tables;
+  UINTN                    TablesSize;
+  UINT8                    *QemuTables;
+
+  if (!PcdGetBool (PcdQemuSmbiosValidated)) {
+    return NULL;
+  }
+
+  Status = QemuFwCfgFindFile ("etc/smbios/smbios-tables", &Tables,
+             &TablesSize);
+  ASSERT_EFI_ERROR (Status);
+  ASSERT (TablesSize > 0);
+
+  QemuTables = AllocatePool (TablesSize);
+  if (QemuTables == NULL) {
+    return NULL;
+  }
+
+  QemuFwCfgSelectItem (Tables);
+  QemuFwCfgReadBytes (TablesSize, QemuTables);
+
+  return QemuTables;
+}
-- 
cgit 1.2.3-korg