From 03783393e16d776ca29d3f13b9cab1e1c3a5d11b Mon Sep 17 00:00:00 2001
From: Chao Li <lichao@loongson.cn>
Date: Tue, 10 Dec 2024 19:23:23 +0800
Subject: MdePkg: Allows loading X64 and ARM64 OPROM images on LoongArch64

Enable foreign images loading on LoongArch64 if the
EDKII_PECOFF_IMAGE_EMULATOR_PROTOCOL is present.

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
Signed-off-by: Chao Li <lichao@loongson.cn>
Co-Authored-by: Dongyan Qian <qiandongyan@loongson.cn>
---
 MdePkg/Library/BasePeCoffLib/LoongArch/PeCoffLoaderEx.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/MdePkg/Library/BasePeCoffLib/LoongArch/PeCoffLoaderEx.c b/MdePkg/Library/BasePeCoffLib/LoongArch/PeCoffLoaderEx.c
index 417096f334..3a7c820857 100644
--- a/MdePkg/Library/BasePeCoffLib/LoongArch/PeCoffLoaderEx.c
+++ b/MdePkg/Library/BasePeCoffLib/LoongArch/PeCoffLoaderEx.c
@@ -104,7 +104,15 @@ PeCoffLoaderImageFormatSupported (
   IN  UINT16  Machine
   )
 {
-  if (Machine == IMAGE_FILE_MACHINE_LOONGARCH64) {
+  /*
+   * ARM64 and X64 may allow such foreign images to be used when
+   * a driver implementing EDKII_PECOFF_IMAGE_EMULATOR_PROTOCOL is
+   * present.
+   */
+  if ((Machine == IMAGE_FILE_MACHINE_LOONGARCH64) ||
+      (Machine == IMAGE_FILE_MACHINE_ARM64) ||
+      (Machine == IMAGE_FILE_MACHINE_X64))
+  {
     return TRUE;
   }
 
-- 
cgit