Files
system76-edk2/UefiCpuPkg/Library/CpuMmuLib/LoongArch64/Page.h
Chao Li 032830e968 UefiCpuPkg: Add CpuMmuLib to UefiCpuPkg
Add a new base library named CpuMmuLib and add a LoongArch64 instance
with in the library.

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4734

Cc: Ray Ni <ray.ni@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Chao Li <lichao@loongson.cn>
Co-authored-by: Baoqi Zhang <zhangbaoqi@loongson.cn>
Co-authored-by: Dongyan Qian <qiandongyan@loongson.cn>
Co-authored-by: Xianglai Li <lixianglai@loongson.cn>
Co-authored-by: Bibo Mao <maobibo@loongson.cn>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Ray Ni <ray.ni@intel.com>
2024-04-16 06:00:32 +00:00

34 lines
733 B
C

/** @file
Copyright (c) 2024 Loongson Technology Corporation Limited. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef PAGE_H_
#define PAGE_H_
#define INVALID_PAGE 0
#define LEVEL5 5
#define LEVEL4 4
#define LEVEL3 3
#define LEVEL2 2
#define LEVEL1 1
#define PTE_ATTRIBUTES_MASK 0x600000000000007EULL
#define PTE_PPN_MASK 0xFFFFFFFFF000ULL
#define PTE_PPN_SHIFT EFI_PAGE_SHIFT
#define LOONGARCH_MMU_PAGE_SHIFT EFI_PAGE_SHIFT
//
// For coding convenience, define the maximum valid
// LoongArch exception.
// Since UEFI V2.11, it will be present in DebugSupport.h.
//
#define MAX_LOONGARCH_EXCEPTION 64
#endif // PAGE_H_