From: Laszlo Ersek <lersek@redhat.com>
Date: Fri, 17 Mar 2017 15:07:53 +0000 (+0100)
Subject: ArmVirtPkg/XenAcpiPlatformDxe: don't cast UINT64 to pointer directly
X-Git-Tag: edk2-stable201903~4315
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=6244c8924e72d779522beccd4086ceef98c40017;p=mirror_edk2.git

ArmVirtPkg/XenAcpiPlatformDxe: don't cast UINT64 to pointer directly

Because that breaks the (potential) 32-bit build of the driver.

Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Leif Lindholm <leif.lindholm@linaro.org>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
---

diff --git a/ArmVirtPkg/XenAcpiPlatformDxe/XenAcpiPlatformDxe.c b/ArmVirtPkg/XenAcpiPlatformDxe/XenAcpiPlatformDxe.c
index 203946f97b..49f9b5d282 100644
--- a/ArmVirtPkg/XenAcpiPlatformDxe/XenAcpiPlatformDxe.c
+++ b/ArmVirtPkg/XenAcpiPlatformDxe/XenAcpiPlatformDxe.c
@@ -73,7 +73,8 @@ GetXenArmAcpiRsdp (
   ASSERT (RegSize == 2 * sizeof (UINT64));
 
   RegBase = SwapBytes64(Reg[0]);
-  RsdpStructurePtr = (EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER *)RegBase;
+  RsdpStructurePtr =
+    (EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER *)(UINTN)RegBase;
 
   if (RsdpStructurePtr && RsdpStructurePtr->Revision >= 2) {
     Sum = CalculateSum8 ((CONST UINT8 *)RsdpStructurePtr,