Implement BlInitializeBootMenuList()

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.
  *