Re: [PATCH] UefiPayloadPkg: Keep reserved MMIO at runtime

["Guo Dong" <guo.dong@intel.com>]

This patch changed both MdeModulePkg and UefiPayloadPkg, had better split them into 2 patches?

Thanks,
Guo

-----Original Message-----
From: Akihiko Odaki <akihiko.odaki@gmail.com> 
Sent: Friday, April 8, 2022 7:25 PM
Cc: devel@edk2.groups.io; Wang, Jian J <jian.j.wang@intel.com>; Gao, Liming <gaoliming@byosoft.com.cn>; Bi, Dandan <dandan.bi@intel.com>; Kinney, Michael D <michael.d.kinney@intel.com>; Liu, Zhiguang <zhiguang.liu@intel.com>; Dong, Guo <guo.dong@intel.com>; Ni, Ray <ray.ni@intel.com>; Ma, Maurice <maurice.ma@intel.com>; You, Benjamin <benjamin.you@intel.com>; Akihiko Odaki <akihiko.odaki@gmail.com>
Subject: [PATCH] UefiPayloadPkg: Keep reserved MMIO at runtime

Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com>
---
 MdeModulePkg/Core/Dxe/Gcd/Gcd.c                    | 9 +++++++++
 MdePkg/Include/Pi/PiHob.h                          | 2 ++
 UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c | 3 ++-
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/MdeModulePkg/Core/Dxe/Gcd/Gcd.c b/MdeModulePkg/Core/Dxe/Gcd/Gcd.c index 3763467bdb..623b316c61 100644
--- a/MdeModulePkg/Core/Dxe/Gcd/Gcd.c
+++ b/MdeModulePkg/Core/Dxe/Gcd/Gcd.c
@@ -2628,6 +2628,15 @@ CoreInitializeGcdServices (
                    ResourceHob->ResourceLength,                    Capabilities                    );++        if (!EFI_ERROR (Status) &&+            (ResourceHob->ResourceAttribute & EFI_RESOURCE_ATTRIBUTE_RUNTIME) == EFI_RESOURCE_ATTRIBUTE_RUNTIME) {+          Status = CoreSetMemorySpaceAttributes(+            ResourceHob->PhysicalStart,+            ResourceHob->ResourceLength,+            EFI_MEMORY_RUNTIME+            );+        }       }        if (GcdIoType != EfiGcdIoTypeNonExistent) {diff --git a/MdePkg/Include/Pi/PiHob.h b/MdePkg/Include/Pi/PiHob.h
index e9f0ab4309..92bacbe62c 100644
--- a/MdePkg/Include/Pi/PiHob.h
+++ b/MdePkg/Include/Pi/PiHob.h
@@ -296,6 +296,8 @@ typedef UINT32 EFI_RESOURCE_ATTRIBUTE_TYPE;  // #define EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE  0x02000000 +#define EFI_RESOURCE_ATTRIBUTE_RUNTIME 0x04000000+ /// /// Describes the resource properties of all fixed, /// nonrelocatable resource ranges found on the processordiff --git a/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c b/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c
index 0fed1e3691..a50f1c0271 100644
--- a/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c
+++ b/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c
@@ -74,7 +74,8 @@ MemInfoCallbackMmio (
              EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |              EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |              EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |-             EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE;+             EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE |+             EFI_RESOURCE_ATTRIBUTE_RUNTIME;    BuildResourceDescriptorHob (Type, Attribue, (EFI_PHYSICAL_ADDRESS)Base, Size);   DEBUG ((DEBUG_INFO, "buildhob: base = 0x%lx, size = 0x%lx, type = 0x%x\n", Base, Size, Type));-- 
2.35.1