From a9fc9bb4666f8412ca5f1beb9e7e8cff63463861 Mon Sep 17 00:00:00 2001
From: Tuan Phan <tphan@ventanamicro.com>
Date: Fri, 14 Jul 2023 12:08:20 -0700
Subject: [PATCH] OvmfPkg/RiscVVirt: VirtNorFlashPlatformLib: Fix wrong flash
 size

The size should be for single region, not the whole firmware FD.

Signed-off-by: Tuan Phan <tphan@ventanamicro.com>
Reviewed-by: Andrei Warkentin <andrei.warkentin@intel.com>
Reviewed-by: Sunil V L <sunilvl@ventanamicro.com>
---
 .../Library/VirtNorFlashPlatformLib/VirtNorFlashStaticLib.c    | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/OvmfPkg/RiscVVirt/Library/VirtNorFlashPlatformLib/VirtNorFlashStaticLib.c b/OvmfPkg/RiscVVirt/Library/VirtNorFlashPlatformLib/VirtNorFlashStaticLib.c
index fdc2ccb629..33f3a01b06 100644
--- a/OvmfPkg/RiscVVirt/Library/VirtNorFlashPlatformLib/VirtNorFlashStaticLib.c
+++ b/OvmfPkg/RiscVVirt/Library/VirtNorFlashPlatformLib/VirtNorFlashStaticLib.c
@@ -24,7 +24,8 @@ VIRT_NOR_FLASH_DESCRIPTION  mNorFlashDevice =
 {
   FixedPcdGet32 (PcdOvmfFdBaseAddress),
   FixedPcdGet64 (PcdFlashNvStorageVariableBase),
-  FixedPcdGet32 (PcdOvmfFirmwareFdSize),
+  FixedPcdGet32 (PcdOvmfFirmwareFdSize) -
+  (FixedPcdGet64 (PcdFlashNvStorageVariableBase) - FixedPcdGet32 (PcdOvmfFdBaseAddress)),
   QEMU_NOR_BLOCK_SIZE
 };