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Diffstat (limited to 'ArmPlatformPkg/Include/Library/ArmPlatformSecLib.h')
-rw-r--r-- | ArmPlatformPkg/Include/Library/ArmPlatformSecLib.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/ArmPlatformPkg/Include/Library/ArmPlatformSecLib.h b/ArmPlatformPkg/Include/Library/ArmPlatformSecLib.h new file mode 100644 index 0000000000..477fd7d99f --- /dev/null +++ b/ArmPlatformPkg/Include/Library/ArmPlatformSecLib.h @@ -0,0 +1,84 @@ +/** @file +* +* Copyright (c) 2011-2012, ARM Limited. All rights reserved. +* +* This program and the accompanying materials +* are licensed and made available under the terms and conditions of the BSD License +* which accompanies this distribution. The full text of the license may be found at +* http://opensource.org/licenses/bsd-license.php +* +* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +* +**/ + +#ifndef _ARMPLATFORMSECLIB_H_ +#define _ARMPLATFORMSECLIB_H_ + +/** + Initialize the memory where the initial stacks will reside + + This memory can contain the initial stacks (Secure and Secure Monitor stacks). + In some platform, this region is already initialized and the implementation of this function can + do nothing. This memory can also represent the Secure RAM. + This function is called before the satck has been set up. Its implementation must ensure the stack + pointer is not used (probably required to use assembly language) + +**/ +VOID +ArmPlatformSecBootMemoryInit ( + VOID + ); + +/** + Call at the beginning of the platform boot up + + This function allows the firmware platform to do extra actions at the early + stage of the platform power up. + + Note: This function must be implemented in assembler as there is no stack set up yet + +**/ +VOID +ArmPlatformSecBootAction ( + VOID + ); + +/** + Initialize controllers that must setup at the early stage + + Some peripherals must be initialized in Secure World. + For example: Some L2 controller, interconnect, clock, DMC, etc + +**/ +RETURN_STATUS +ArmPlatformSecInitialize ( + IN UINTN MpId + ); + +/** + Call before jumping to Normal World + + This function allows the firmware platform to do extra actions before + jumping to the Normal World + +**/ +VOID +ArmPlatformSecExtraAction ( + IN UINTN MpId, + OUT UINTN* JumpAddress + ); + +/** + Initialize the Secure peripherals and memory regions + + If Trustzone is supported by your platform then this function makes the required initialization + of the secure peripherals and memory regions. + +**/ +VOID +ArmPlatformSecTrustzoneInit ( + IN UINTN MpId + ); + +#endif |