From 5311c57b5fdb1a57d6017d9e89f8822a573fc6d1 Mon Sep 17 00:00:00 2001
From: Timo Kreuzer <timo.kreuzer@reactos.org>
Date: Sun, 17 Dec 2017 17:37:43 +0100
Subject: [PATCH] [HAL] Use 64 bits for physical addresses.

---
 hal/halx86/generic/memory.c | 9 ++++-----
 hal/halx86/include/halp.h   | 4 ++--
 2 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/hal/halx86/generic/memory.c b/hal/halx86/generic/memory.c
index e16eef3dbf8..587503fca1f 100644
--- a/hal/halx86/generic/memory.c
+++ b/hal/halx86/generic/memory.c
@@ -24,15 +24,15 @@ PVOID HalpHeapStart = MM_HAL_HEAP_START;
 
 /* PRIVATE FUNCTIONS *********************************************************/
 
-ULONG_PTR
+ULONG64
 NTAPI
 HalpAllocPhysicalMemory(IN PLOADER_PARAMETER_BLOCK LoaderBlock,
-                        IN ULONG_PTR MaxAddress,
+                        IN ULONG64 MaxAddress,
                         IN PFN_NUMBER PageCount,
                         IN BOOLEAN Aligned)
 {
     ULONG UsedDescriptors;
-    ULONG_PTR PhysicalAddress;
+    ULONG64 PhysicalAddress;
     PFN_NUMBER MaxPage, BasePage, Alignment;
     PLIST_ENTRY NextEntry;
     PMEMORY_ALLOCATION_DESCRIPTOR MdBlock, NewBlock, FreeBlock;
@@ -71,9 +71,8 @@ HalpAllocPhysicalMemory(IN PLOADER_PARAMETER_BLOCK LoaderBlock,
                 (MdBlock->PageCount >= PageCount + Alignment) &&
                 (BasePage + PageCount + Alignment < MaxPage))
             {
-
                 /* We found an address */
-                PhysicalAddress = (BasePage + Alignment) << PAGE_SHIFT;
+                PhysicalAddress = ((ULONG64)BasePage + Alignment) << PAGE_SHIFT;
                 break;
             }
         }
diff --git a/hal/halx86/include/halp.h b/hal/halx86/include/halp.h
index 8e79f3444ef..315282f8093 100644
--- a/hal/halx86/include/halp.h
+++ b/hal/halx86/include/halp.h
@@ -633,11 +633,11 @@ HalpReleasePciDeviceForDebugging(
 //
 // Memory routines
 //
-ULONG_PTR
+ULONG64
 NTAPI
 HalpAllocPhysicalMemory(
     IN PLOADER_PARAMETER_BLOCK LoaderBlock,
-    IN ULONG_PTR MaxAddress,
+    IN ULONG64 MaxAddress,
     IN PFN_NUMBER PageCount,
     IN BOOLEAN Aligned
 );