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From: "duntan" <dun.tan@intel.com>
To: devel@edk2.groups.io
Cc: Ray Ni <ray.ni@intel.com>, Laszlo Ersek <lersek@redhat.com>,
	Rahul Kumar <rahul1.kumar@intel.com>,
	Gerd Hoffmann <kraxel@redhat.com>
Subject: [edk2-devel] [PATCH 2/3] UefiCpuPkg: Add more Paging mode enumeration
Date: Mon,  5 Feb 2024 22:03:44 +0800	[thread overview]
Message-ID: <20240205140345.1437-3-dun.tan@intel.com> (raw)
In-Reply-To: <20240205140345.1437-1-dun.tan@intel.com>

Add more Paging mode enumeration in CpuPageTableLib
to support forcibly mapping a range to 4k pages in
page table.

Signed-off-by: Dun Tan <dun.tan@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
---
 UefiCpuPkg/Include/Library/CpuPageTableLib.h | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/UefiCpuPkg/Include/Library/CpuPageTableLib.h b/UefiCpuPkg/Include/Library/CpuPageTableLib.h
index 78aa83b8de..6225a1d8e9 100644
--- a/UefiCpuPkg/Include/Library/CpuPageTableLib.h
+++ b/UefiCpuPkg/Include/Library/CpuPageTableLib.h
@@ -46,11 +46,17 @@ typedef enum {
   // High byte in paging mode indicates the max levels of the page table.
   // Low byte in paging mode indicates the max level that can be a leaf entry.
   //
-  PagingPae = 0x0302,
+  PagingPae4KB = 0x0301,
+  PagingPae2MB = 0x0302,
+  PagingPae    = 0x0302,
 
+  Paging4Level4KB = 0x0401,
+  Paging4Level2MB = 0x0402,
   Paging4Level    = 0x0402,
   Paging4Level1GB = 0x0403,
 
+  Paging5Level4KB = 0x0501,
+  Paging5Level2MB = 0x0502,
   Paging5Level    = 0x0502,
   Paging5Level1GB = 0x0503,
 
-- 
2.31.1.windows.1



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  parent reply	other threads:[~2024-02-05 14:05 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-05 14:03 [edk2-devel] [PATCH 0/3] Fix potential issue in CpuPageTableLib and SMM page table initialization duntan
2024-02-05 14:03 ` [edk2-devel] [PATCH 1/3] UefiCpuPkg: Reduce and optimize access to attribute duntan
2024-02-06  1:20   ` Ni, Ray
2024-02-06 13:32   ` Laszlo Ersek
2024-02-06 15:02     ` Ni, Ray
2024-02-06 17:34     ` Pedro Falcato
2024-02-07  0:47       ` Zhou, Jianfeng
2024-02-07  1:05         ` Pedro Falcato
2024-02-07  1:57           ` Zhou, Jianfeng
2024-02-07 17:52             ` Pedro Falcato
2024-02-07 20:42             ` Laszlo Ersek
2024-02-08  2:29               ` Zhou, Jianfeng
2024-02-07 20:33           ` Laszlo Ersek
2024-02-07 20:17         ` Laszlo Ersek
2024-02-05 14:03 ` duntan [this message]
2024-02-06  1:21   ` [edk2-devel] [PATCH 2/3] UefiCpuPkg: Add more Paging mode enumeration Ni, Ray
2024-02-05 14:03 ` [edk2-devel] [PATCH 3/3] UefiCpuPkg/PiSmmCpuDxeSmm:Map SMRAM in 4K page granularity duntan
2024-02-06  1:23   ` Ni, Ray
2024-02-06 13:33   ` Laszlo Ersek
2024-02-06  1:48 ` [edk2-devel] [PATCH 0/3] Fix potential issue in CpuPageTableLib and SMM page table initialization Ni, Ray

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