94904a8477
Now that all PeiServicesTablePointerLib and PrePiHobListPointerLib library dependencies in both ArmVirtQemu and ArmVirtXen are satisfied by implementations that do not depend on ArmPlatformGlobalVariableLib, we can remove all mention of it from the various .dsc files. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18986 6f19259b-4bc3-4df7-8a09-765794883524
115 lines
4.1 KiB
C
115 lines
4.1 KiB
C
/** @file
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*
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* Copyright (c) 2014, Linaro Limited. All rights reserved.
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*
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* This program and the accompanying materials
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* are licensed and made available under the terms and conditions of the BSD License
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* which accompanies this distribution. The full text of the license may be found at
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* http://opensource.org/licenses/bsd-license.php
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*
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* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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*
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**/
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#include <Library/ArmPlatformLib.h>
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#include <Library/DebugLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/PcdLib.h>
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#include <Library/IoLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <ArmPlatform.h>
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// Number of Virtual Memory Map Descriptors
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#define MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS 5
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// DDR attributes
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#define DDR_ATTRIBUTES_CACHED ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK
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#define DDR_ATTRIBUTES_UNCACHED ARM_MEMORY_REGION_ATTRIBUTE_UNCACHED_UNBUFFERED
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EFI_PHYSICAL_ADDRESS
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ArmGetPhysAddrTop (
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VOID
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);
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/**
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Return the Virtual Memory Map of your platform
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This Virtual Memory Map is used by MemoryInitPei Module to initialize the MMU
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on your platform.
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@param[out] VirtualMemoryMap Array of ARM_MEMORY_REGION_DESCRIPTOR
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describing a Physical-to-Virtual Memory
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mapping. This array must be ended by a
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zero-filled entry
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**/
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VOID
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ArmPlatformGetVirtualMemoryMap (
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IN ARM_MEMORY_REGION_DESCRIPTOR** VirtualMemoryMap
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)
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{
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ARM_MEMORY_REGION_ATTRIBUTES CacheAttributes;
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ARM_MEMORY_REGION_DESCRIPTOR *VirtualMemoryTable;
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ASSERT (VirtualMemoryMap != NULL);
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VirtualMemoryTable = AllocatePages (
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EFI_SIZE_TO_PAGES (
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sizeof (ARM_MEMORY_REGION_DESCRIPTOR)
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* MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS
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)
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);
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if (VirtualMemoryTable == NULL) {
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DEBUG ((EFI_D_ERROR, "%a: Error: Failed AllocatePages()\n", __FUNCTION__));
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return;
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}
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if (FeaturePcdGet (PcdCacheEnable) == TRUE) {
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CacheAttributes = DDR_ATTRIBUTES_CACHED;
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} else {
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CacheAttributes = DDR_ATTRIBUTES_UNCACHED;
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}
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// System DRAM
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VirtualMemoryTable[0].PhysicalBase = PcdGet64 (PcdSystemMemoryBase);
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VirtualMemoryTable[0].VirtualBase = VirtualMemoryTable[0].PhysicalBase;
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VirtualMemoryTable[0].Length = PcdGet64 (PcdSystemMemorySize);
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VirtualMemoryTable[0].Attributes = CacheAttributes;
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DEBUG ((EFI_D_INFO, "%a: Dumping System DRAM Memory Map:\n"
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"\tPhysicalBase: 0x%lX\n"
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"\tVirtualBase: 0x%lX\n"
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"\tLength: 0x%lX\n",
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__FUNCTION__,
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VirtualMemoryTable[0].PhysicalBase,
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VirtualMemoryTable[0].VirtualBase,
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VirtualMemoryTable[0].Length));
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// Peripheral space before DRAM
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VirtualMemoryTable[1].PhysicalBase = 0x0;
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VirtualMemoryTable[1].VirtualBase = 0x0;
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VirtualMemoryTable[1].Length = VirtualMemoryTable[0].PhysicalBase;
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VirtualMemoryTable[1].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
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// Peripheral space after DRAM
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VirtualMemoryTable[2].PhysicalBase = VirtualMemoryTable[0].Length + VirtualMemoryTable[1].Length;
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VirtualMemoryTable[2].VirtualBase = VirtualMemoryTable[2].PhysicalBase;
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VirtualMemoryTable[2].Length = MIN (1ULL << FixedPcdGet8 (PcdPrePiCpuMemorySize),
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ArmGetPhysAddrTop ()) -
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VirtualMemoryTable[2].PhysicalBase;
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VirtualMemoryTable[2].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
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// Remap the FD region as normal executable memory
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VirtualMemoryTable[3].PhysicalBase = FixedPcdGet64 (PcdFdBaseAddress);
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VirtualMemoryTable[3].VirtualBase = VirtualMemoryTable[3].PhysicalBase;
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VirtualMemoryTable[3].Length = FixedPcdGet32 (PcdFdSize);
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VirtualMemoryTable[3].Attributes = CacheAttributes;
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// End of Table
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ZeroMem (&VirtualMemoryTable[4], sizeof (ARM_MEMORY_REGION_DESCRIPTOR));
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*VirtualMemoryMap = VirtualMemoryTable;
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}
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