a75568e9c9
For instance, in case of CpuHotPlug boot path the platform has already been initialized. The CPU core should not execute any of the platform initialization in this case. Signed-off-by: Olivier Martin <olivier.martin@arm.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13492 6f19259b-4bc3-4df7-8a09-765794883524
89 lines
2.4 KiB
C
89 lines
2.4 KiB
C
/** @file
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*
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* Copyright (c) 2011-2012, 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 _ARMPLATFORMSECLIB_H_
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#define _ARMPLATFORMSECLIB_H_
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#define ARM_SEC_BOOT_MASK ~0
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#define ARM_SEC_COLD_BOOT (1 << 0)
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#define ARM_SEC_SECONDARY_COLD_BOOT (1 << 1)
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/**
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Initialize the memory where the initial stacks will reside
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This memory can contain the initial stacks (Secure and Secure Monitor stacks).
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In some platform, this region is already initialized and the implementation of this function can
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do nothing. This memory can also represent the Secure RAM.
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This function is called before the satck has been set up. Its implementation must ensure the stack
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pointer is not used (probably required to use assembly language)
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**/
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VOID
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ArmPlatformSecBootMemoryInit (
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VOID
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);
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/**
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Call at the beginning of the platform boot up
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This function allows the firmware platform to do extra actions at the early
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stage of the platform power up.
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Note: This function must be implemented in assembler as there is no stack set up yet
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**/
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VOID
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ArmPlatformSecBootAction (
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VOID
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);
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/**
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Initialize controllers that must setup at the early stage
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Some peripherals must be initialized in Secure World.
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For example: Some L2 controller, interconnect, clock, DMC, etc
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**/
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RETURN_STATUS
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ArmPlatformSecInitialize (
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IN UINTN MpId
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);
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/**
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Call before jumping to Normal World
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This function allows the firmware platform to do extra actions before
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jumping to the Normal World
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**/
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VOID
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ArmPlatformSecExtraAction (
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IN UINTN MpId,
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OUT UINTN* JumpAddress
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);
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/**
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Initialize the Secure peripherals and memory regions
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If Trustzone is supported by your platform then this function makes the required initialization
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of the secure peripherals and memory regions.
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**/
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VOID
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ArmPlatformSecTrustzoneInit (
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IN UINTN MpId
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);
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#endif
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