From 544ec63d6e592602b3fa01be5b3ff772493477d1 Mon Sep 17 00:00:00 2001
From: Aiken Harris <harraiken@noreply.codingworkshop.git>
Date: Mon, 4 Aug 2025 23:22:23 +0200
Subject: [PATCH] Remove global BlpGetNextPageTable implementation in favor of
 arch-specific versions

---
 xtldr/memory.c | 72 --------------------------------------------------
 1 file changed, 72 deletions(-)

diff --git a/xtldr/memory.c b/xtldr/memory.c
index 953bab4..c135d03 100644
--- a/xtldr/memory.c
+++ b/xtldr/memory.c
@@ -739,75 +739,3 @@ BlpGetLoaderMemoryType(IN EFI_MEMORY_TYPE EfiMemoryType)
     /* Return XTLDR memory type */
     return MemoryType;
 }
-
-/**
- * Returns next level of the Page Table.
- *
- * @param PageMap
- *        Supplies a pointer to the page mapping structure.
- *
- * @param PageTable
- *        Supplies a pointer to the current Page Table.
- *
- * @param Entry
- *        Supplies an index of the current Page Table entry.
- *
- * @param NextPageTable
- *        Supplies a pointer to the memory area where the next Page Table level is returned.
- *
- * @return This routine returns a status code.
- *
- * @since XT 1.0
- */
-XTCDECL
-EFI_STATUS
-BlpGetNextPageTable(IN PXTBL_PAGE_MAPPING PageMap,
-                    IN PHARDWARE_PTE PageTable,
-                    IN SIZE_T Entry,
-                    OUT PHARDWARE_PTE *NextPageTable)
-{
-    EFI_PHYSICAL_ADDRESS Address;
-    ULONGLONG PmlPointer;
-    EFI_STATUS Status;
-
-    /* Check if this is a valid table */
-    if(PageTable[Entry].Valid)
-    {
-        /* Get PML pointer */
-        PmlPointer = PageTable[Entry].PageFrameNumber;
-        PmlPointer <<= EFI_PAGE_SHIFT;
-    }
-    else
-    {
-        /* Allocate pages for new PML entry */
-        Status = BlAllocateMemoryPages(1, &Address);
-        if(Status != STATUS_EFI_SUCCESS)
-        {
-            /* Memory allocation failure */
-            return Status;
-        }
-
-        /* Add new memory mapping */
-        Status = BlMapVirtualMemory(PageMap, NULL, (PVOID)(UINT_PTR)Address, 1, LoaderMemoryData);
-        if(Status != STATUS_EFI_SUCCESS)
-        {
-            /* Memory mapping failure */
-            return Status;
-        }
-
-        /* Fill allocated memory with zeros */
-        RtlZeroMemory((PVOID)(ULONGLONG)Address, EFI_PAGE_SIZE);
-
-        /* Set paging entry settings */
-        PageTable[Entry].PageFrameNumber = Address / EFI_PAGE_SIZE;
-        PageTable[Entry].Valid = 1;
-        PageTable[Entry].Writable = 1;
-        PmlPointer = (ULONGLONG)Address;
-    }
-
-    /* Set next Page Map Level (PML) */
-    *NextPageTable = (PHARDWARE_PTE)(ULONGLONG)PmlPointer;
-
-    /* Return success */
-    return STATUS_EFI_SUCCESS;
-}