sdk/xtdk/bltypes.h

@@ -45,6 +45,7 @@
 /* Boot Loader protocol routine pointers */
 typedef EFI_STATUS (*PBL_ALLOCATE_PAGES)(IN UINT64 Size, OUT PEFI_PHYSICAL_ADDRESS Memory);
 typedef EFI_STATUS (*PBL_ALLOCATE_POOL)(IN UINT_PTR Size, OUT PVOID *Memory);
+typedef VOID (*PBL_BOOTMENU_INITIALIZE_OS_LIST)(OUT PXTBL_BOOTMENU_ITEM MenuEntries, OUT PULONG EntriesCount, OUT PULONG DefaultId);
 typedef EFI_STATUS (*PBL_CLOSE_VOLUME)(IN PEFI_HANDLE VolumeHandle);
 typedef VOID (*PBL_CONSOLE_CLEAR_SCREEN)();
 typedef VOID (*PBL_CONSOLE_DISABLE_CURSOR)();
@@ -71,6 +72,13 @@ typedef XTBL_DIALOG_HANDLE (*PBL_TUI_DISPLAY_PROGRESS_DIALOG)(IN PWCHAR Caption,
 typedef VOID (*PBL_TUI_UPDATE_PROGRESS_BAR)(IN PXTBL_DIALOG_HANDLE Handle, IN PWCHAR Message, IN UCHAR Percentage);
 typedef EFI_STATUS (*PBL_WAIT_FOR_EFI_EVENT)(IN UINT_PTR NumberOfEvents, IN PEFI_EVENT Event, OUT PUINT_PTR Index);
 
+/* Boot menu list structure */
+typedef struct _XTBL_BOOTMENU_ITEM
+{
+    PWCHAR EntryName;
+    PLIST_ENTRY Options;
+} XTBL_BOOTMENU_ITEM, *PXTBL_BOOTMENU_ITEM;
+
 /* XTLDR Configuration data */
 typedef struct _XTBL_CONFIG_ENTRY
 {
@@ -101,14 +109,6 @@ typedef struct _XTBL_DIALOG_HANDLE
     UINT_PTR Height;
 } XTBL_DIALOG_HANDLE, *PXTBL_DIALOG_HANDLE;
 
-/* XTLDR Status data */
-typedef struct _XTBL_STATUS
-{
-    BOOLEAN BootServices;
-    ULONG DebugPort;
-    CPPORT SerialPort;
-} XTBL_STATUS, *PXTBL_STATUS;
-
 /* XTLDR Loader protocol */
 typedef struct _XTBL_LOADER_PROTOCOL
 {
@@ -144,6 +144,7 @@ typedef struct _XTBL_LOADER_PROTOCOL
     } Memory;
     struct
     {
+        PBL_BOOTMENU_INITIALIZE_OS_LIST InitializeBootMenuList;
         PBL_OPEN_XT_PROTOCOL OpenProtocol;
     } Protocol;
     struct
@@ -162,4 +163,12 @@ typedef struct _XTBL_LOADER_PROTOCOL
     } Util;
 } XTBL_LOADER_PROTOCOL, *PXTBL_LOADER_PROTOCOL;
 
+/* XTLDR Status data */
+typedef struct _XTBL_STATUS
+{
+    BOOLEAN BootServices;
+    ULONG DebugPort;
+    CPPORT SerialPort;
+} XTBL_STATUS, *PXTBL_STATUS;
+
 #endif /* __XTDK_BLTYPES_H */

sdk/xtdk/xtstruct.h

@@ -264,6 +264,7 @@ typedef struct _UEFI_FIRMWARE_INFORMATION UEFI_FIRMWARE_INFORMATION, *PUEFI_FIRM
 typedef struct _UNICODE_STRING UNICODE_STRING, *PUNICODE_STRING;
 typedef struct _UNICODE_STRING32 UNICODE_STRING32, *PUNICODE_STRING32;
 typedef struct _UNICODE_STRING64 UNICODE_STRING64, *PUNICODE_STRING64;
+typedef struct _XTBL_BOOTMENU_ITEM XTBL_BOOTMENU_ITEM, *PXTBL_BOOTMENU_ITEM;
 typedef struct _XTBL_CONFIG_ENTRY XTBL_CONFIG_ENTRY, *PXTBL_CONFIG_ENTRY;
 typedef struct _XTBL_CONFIG_SECTION XTBL_CONFIG_SECTION, *PXTBL_CONFIG_SECTION;
 typedef struct _XTBL_DIALOG_HANDLE XTBL_DIALOG_HANDLE, *PXTBL_DIALOG_HANDLE;

xtldr2/includes/bootman.h

@@ -91,6 +91,12 @@ BlGetVolumeDevicePath(IN PCHAR SystemPath,
                       OUT PCHAR *ArcName,
                       OUT PCHAR *Path);
 
+XTCDECL
+VOID
+BlInitializeBootMenuList(OUT PXTBL_BOOTMENU_ITEM MenuEntries,
+                         OUT PULONG EntriesCount,
+                         OUT PULONG DefaultId);
+
 XTCDECL
 EFI_STATUS
 BlMemoryAllocatePages(IN UINT64 Pages,

xtldr2/protocol.c

@@ -109,6 +109,7 @@ BlpRegisterXtLoaderProtocol()
     LdrProtocol.Memory.FreePages = BlMemoryFreePages;
     LdrProtocol.Memory.FreePool = BlMemoryFreePool;
     LdrProtocol.Protocol.OpenProtocol = BlOpenXtProtocol;
+    LdrProtocol.Protocol.InitializeBootMenuList = BlInitializeBootMenuList;
     LdrProtocol.Tui.DisplayErrorDialog = BlDisplayErrorDialog;
     LdrProtocol.Tui.DisplayInfoDialog = BlDisplayInfoDialog;
     LdrProtocol.Tui.DisplayProgressDialog = BlDisplayProgressDialog;

xtldr2/xtldr.c

@@ -9,6 +9,93 @@
 #include <xtldr.h>
 
 
+/**
+ * Initializes a list of operating systems for XTLDR boot menu.
+ *
+ * @param MenuEntries
+ *        Supplies a pointer to memory area where operating systems list will be stored.
+ *
+ * @param EntriesCount
+ *        Supplies a pointer to memory area where number of menu entries will be stored.
+ *
+ * @param DefaultId
+ *        Supplies a pointer to memory area where ID of default menu entry will be stored.
+ *
+ * @return This routine does not return any value.
+ *
+ * @since XT 1.0
+ */
+XTCDECL
+VOID
+BlInitializeBootMenuList(OUT PXTBL_BOOTMENU_ITEM MenuEntries,
+                         OUT PULONG EntriesCount,
+                         OUT PULONG DefaultId)
+{
+    PWCHAR DefaultMenuEntry, MenuEntryName;
+    PLIST_ENTRY MenuEntrySectionList, MenuEntryList;
+    PXTBL_CONFIG_SECTION MenuEntrySection;
+    PXTBL_CONFIG_ENTRY MenuEntryOption;
+    PXTBL_BOOTMENU_ITEM OsList;
+    ULONG DefaultOS, NumberOfEntries;
+
+    /* Set default values */
+    DefaultOS = 0;
+    NumberOfEntries = 0;
+    OsList = NULL;
+
+    /* Get default menu entry from configuration */
+    DefaultMenuEntry = BlGetConfigValue(L"DEFAULT");
+
+    /* Iterate through all menu sections */
+    MenuEntrySectionList = BlpMenuList->Flink;
+    while(MenuEntrySectionList != BlpMenuList)
+    {
+        /* NULLify menu entry name */
+        MenuEntryName = NULL;
+
+        /* Get menu section */
+        MenuEntrySection = CONTAIN_RECORD(MenuEntrySectionList, XTBL_CONFIG_SECTION, Flink);
+
+        /* Check if this is the default menu entry */
+        if(RtlCompareWideStringInsensitive(MenuEntrySection->SectionName, DefaultMenuEntry, 0) == 0)
+        {
+            /* Set default OS ID */
+            DefaultOS = NumberOfEntries;
+        }
+
+        /* Iterate through all entry parameters */
+        MenuEntryList = MenuEntrySection->Options.Flink;
+        while(MenuEntryList != &MenuEntrySection->Options)
+        {
+            /* Get menu entry parameter */
+            MenuEntryOption = CONTAIN_RECORD(MenuEntryList, XTBL_CONFIG_ENTRY, Flink);
+
+            /* Check if this is the menu entry display name */
+            if(RtlCompareWideStringInsensitive(MenuEntryOption->Name, L"SYSTEMNAME", 0) == 0)
+            {
+                /* Set menu entry display name */
+                MenuEntryName = MenuEntryOption->Value;
+            }
+
+            /* Get next parameter for this menu entry */
+            MenuEntryList = MenuEntryList->Flink;
+        }
+
+        /* Add OS to the boot menu list */
+        OsList[NumberOfEntries].EntryName = MenuEntryName;
+        OsList[NumberOfEntries].Options = &MenuEntrySection->Options;
+
+        /* Get next menu entry */
+        MenuEntrySectionList = MenuEntrySectionList->Flink;
+        NumberOfEntries++;
+    }
+
+    /* Set return values */
+    *DefaultId = DefaultOS;
+    *EntriesCount = NumberOfEntries;
+    MenuEntries = OsList;
+}
+
 /**
  * This routine is the entry point of the XT EFI boot loader.
  *