dff720276a
Add a function to ArmVExpressDxe to identify the current platform we are running on. This includes ARM32 and AArch64 models and hardware. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Olivier Martin <olivier.martin@arm.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16931 6f19259b-4bc3-4df7-8a09-765794883524
183 lines
4.6 KiB
C
183 lines
4.6 KiB
C
/** @file
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*
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* Copyright (c) 2011-2013, ARM 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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#ifndef _ARMPLATFORMLIB_H_
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#define _ARMPLATFORMLIB_H_
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//
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// The package level header files this module uses
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//
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#include <PiPei.h>
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//
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// The protocols, PPI and GUID defintions for this module
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//
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#include <Ppi/MasterBootMode.h>
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#include <Ppi/BootInRecoveryMode.h>
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#include <Library/ArmLib.h>
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/**
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This structure is used to describe a region of the EFI memory map
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Every EFI regions of the system memory described by their physical start address and their size
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can have different attributes. Some regions can be tested and other untested.
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**/
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typedef struct {
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EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttribute;
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EFI_PHYSICAL_ADDRESS PhysicalStart;
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UINT64 NumberOfBytes;
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} ARM_SYSTEM_MEMORY_REGION_DESCRIPTOR;
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/**
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Return the core per cluster. The method may differ per core type
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This function might be called from assembler before any stack is set.
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@return Return the core count per cluster
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**/
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UINTN
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ArmGetCpuCountPerCluster (
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VOID
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);
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/**
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Return the core position from the value of its MpId register
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This function returns the core position from the position 0 in the processor.
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This function might be called from assembler before any stack is set.
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@return Return the core position
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**/
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UINTN
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ArmPlatformGetCorePosition (
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IN UINTN MpId
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);
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/**
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Return a non-zero value if the callee is the primary core
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This function returns a non-zero value if the callee is the primary core.
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The primary core is the core responsible to initialize the hardware and run UEFI.
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This function might be called from assembler before any stack is set.
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@return Return a non-zero value if the callee is the primary core.
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**/
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UINTN
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ArmPlatformIsPrimaryCore (
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IN UINTN MpId
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);
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/**
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Return the MpId of the primary core
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This function returns the MpId of the primary core.
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This function might be called from assembler before any stack is set.
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@return Return the MpId of the primary core
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**/
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UINTN
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ArmPlatformGetPrimaryCoreMpId (
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VOID
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);
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/**
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Return the current Boot Mode
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This function returns the boot reason on the platform
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@return Return the current Boot Mode of the platform
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**/
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EFI_BOOT_MODE
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ArmPlatformGetBootMode (
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VOID
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);
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/**
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First platform specific function to be called in the PEI phase
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This function is actually the first function called by the PrePi
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or PrePeiCore modules. It allows to retrieve arguments passed to
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the UEFI firmware through the CPU registers.
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This function might be written into assembler as no stack are set
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when the function is invoked.
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**/
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VOID
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ArmPlatformPeiBootAction (
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VOID
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);
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/**
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Initialize controllers that must setup in the normal world
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This function is called by the ArmPlatformPkg/PrePi or ArmPlatformPkg/PlatformPei
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in the PEI phase.
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**/
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RETURN_STATUS
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ArmPlatformInitialize (
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IN UINTN MpId
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);
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/**
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Initialize the system (or sometimes called permanent) memory
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This memory is generally represented by the DRAM.
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**/
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VOID
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ArmPlatformInitializeSystemMemory (
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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 on your platform.
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@param[out] VirtualMemoryMap Array of ARM_MEMORY_REGION_DESCRIPTOR describing a Physical-to-
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Virtual Memory mapping. This array must be ended by a zero-filled
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entry
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**/
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VOID
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ArmPlatformGetVirtualMemoryMap (
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OUT ARM_MEMORY_REGION_DESCRIPTOR** VirtualMemoryMap
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);
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/**
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Return the Platform specific PPIs
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This function exposes the Platform Specific PPIs. They can be used by any PrePi modules or passed
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to the PeiCore by PrePeiCore.
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@param[out] PpiListSize Size in Bytes of the Platform PPI List
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@param[out] PpiList Platform PPI List
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**/
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VOID
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ArmPlatformGetPlatformPpiList (
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OUT UINTN *PpiListSize,
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OUT EFI_PEI_PPI_DESCRIPTOR **PpiList
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);
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#endif
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