Implemented SpoofOSXVersion option

rEFIt_UEFI/Platform/Platform.h

@@ -998,6 +998,9 @@ typedef struct {
   UINT8                   pad7[2];
   UINT8                   CustomBoot;
   EG_IMAGE                *CustomLogo;
+
+  //SpoofOSXVersion
+  CHAR16                  *SpoofOSXVersion;
 
   UINT32                  RefCLK;
 

rEFIt_UEFI/Platform/Settings.c

@@ -2027,6 +2027,13 @@ GetEarlyUserSettings (
       }
 
       DBG ("Custom boot %s (0x%X)\n", CustomBootModeToStr (gSettings.CustomBoot), gSettings.CustomLogo);
+
+      // Spoof OSX Version
+      Prop = GetProperty (DictPointer, "SpoofOSXVersion");
+      if (Prop != NULL) {
+        gSettings.SpoofOSXVersion = AllocateZeroPool (AsciiStrSize (Prop->string) * sizeof(CHAR16));
+        AsciiStrToUnicodeStr (Prop->string, gSettings.SpoofOSXVersion);
+      }
     }
 
     //*** SYSTEM ***

rEFIt_UEFI/Platform/apple.c

@@ -0,0 +1,83 @@
+/*
+ * refind/apple.c
+ * Functions specific to Apple computers
+ * 
+ * Copyright (c) 2015 Roderick W. Smith
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * 
+ */
+
+#include "entry_scan.h"
+#include "lib.h"
+#include "apple.h"
+
+/*
+ * The below definitions and SetAppleOSInfo() function are based on a GRUB patch
+ * by Andreas Heider:
+ * https://lists.gnu.org/archive/html/grub-devel/2013-12/msg00442.html
+ */
+
+#define EFI_APPLE_SET_OS_PROTOCOL_GUID  \
+  { 0xc5c5da95, 0x7d5c, 0x45e6, \
+    { 0xb2, 0xf1, 0x3f, 0xd5, 0x2b, 0xb1, 0x00, 0x77 } \
+  }
+
+typedef struct EfiAppleSetOsInterface {
+    UINT64 Version;
+    EFI_STATUS EFIAPI (*SetOsVersion) (IN CHAR8 *Version);
+    EFI_STATUS EFIAPI (*SetOsVendor) (IN CHAR8 *Vendor);
+} EfiAppleSetOsInterface;
+
+// Function to tell the firmware that OS X is being launched. This is
+// required to work around problems on some Macs that don't fully
+// initialize some hardware (especially video displays) when third-party
+// OSes are launched in EFI mode.
+EFI_STATUS SetAppleOSInfo() {
+    CHAR16 *AppleOSVersion = NULL;
+    CHAR8 *AppleOSVersion8 = NULL;
+    EFI_STATUS Status;
+    EFI_GUID apple_set_os_guid = EFI_APPLE_SET_OS_PROTOCOL_GUID;
+    EfiAppleSetOsInterface *SetOs = NULL;
+
+    Status = gBS->LocateProtocol (&apple_set_os_guid, NULL, (VOID**) &SetOs);
+
+    // If not a Mac, ignore the call....
+    if ((Status != EFI_SUCCESS) || (!SetOs))
+        return EFI_SUCCESS;
+
+    if ((SetOs->Version != 0) && gSettings.SpoofOSXVersion) {
+        AppleOSVersion = PoolPrint (L"Mac OS X %s", gSettings.SpoofOSXVersion);
+        if (AppleOSVersion) {
+            AppleOSVersion8 = AllocateZeroPool((StrLen(AppleOSVersion) + 1) * sizeof(CHAR8));
+            UnicodeStrToAsciiStr(AppleOSVersion, AppleOSVersion8);
+            if (AppleOSVersion8) {
+                Status = SetOs->SetOsVersion (AppleOSVersion8);
+                if (!EFI_ERROR(Status))
+                    Status = EFI_SUCCESS;
+                FreePool(AppleOSVersion8);
+            } else {
+                Status = EFI_OUT_OF_RESOURCES;
+                Print(L"Out of resources in SetAppleOSInfo!\n");
+            }
+            if ((Status == EFI_SUCCESS) && (SetOs->Version >= 2))
+                Status = SetOs->SetOsVendor ((CHAR8 *) "Apple Inc.");
+            FreePool(AppleOSVersion);
+        } // if (AppleOSVersion)
+    } // if
+    if (Status != EFI_SUCCESS)
+        Print(L"Unable to set firmware boot type!\n");
+
+    return (Status);
+} // EFI_STATUS SetAppleOSInfo()

rEFIt_UEFI/Platform/apple.h

@@ -0,0 +1,26 @@
+/*
+ * refind/apple.h
+ * 
+ * Copyright (c) 2015 Roderick W. Smith
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef __APPLE_H_
+#define __APPLE_H_
+
+EFI_STATUS SetAppleOSInfo();
+
+#endif

rEFIt_UEFI/refit.inf

@@ -123,6 +123,7 @@
   Platform/PlatformDriverOverride.c
 	Platform/Hibernate.c
   Platform/Net.c
+  Platform/apple.c
 
 [Packages]
 	Clover/CloverPkg.dec

rEFIt_UEFI/refit/main.c

@@ -35,9 +35,9 @@
  */
 
 #include "entry_scan.h"
+#include "apple.h"
 //#include "Platform.h"
 //#include "../include/Handle.h"
-
 #include "Version.h"
 
 #ifndef DEBUG_ALL
@@ -1981,6 +1981,11 @@ RefitMain (IN EFI_HANDLE           ImageHandle,
     }
   }
 
+  // spoof OSX version if needed
+  if (gSettings.SpoofOSXVersion && gSettings.SpoofOSXVersion[0] != L'\0') {
+    SetAppleOSInfo();
+  }
+
 #ifdef ENABLE_SECURE_BOOT
   // Install secure boot shim
   if (EFI_ERROR(Status = InstallSecureBoot())) {