/** @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 __ARM_TRUSTZONE_H__ | |
#define __ARM_TRUSTZONE_H__ | |
#include <Uefi.h> | |
// Setup TZ Protection Controller | |
#define TZPC_DECPROT_0 0 | |
#define TZPC_DECPROT_1 1 | |
#define TZPC_DECPROT_2 2 | |
#define TZPC_DECPROT_MAX 2 | |
/** | |
FIXME: Need documentation | |
**/ | |
EFI_STATUS | |
TZPCSetDecProtBits ( | |
IN UINTN TzpcBase, | |
IN UINTN TzpcId, | |
IN UINTN Bits | |
); | |
/** | |
FIXME: Need documentation | |
**/ | |
EFI_STATUS | |
TZPCClearDecProtBits ( | |
IN UINTN TzpcBase, | |
IN UINTN TzpcId, | |
IN UINTN Bits | |
); | |
// Setup TZ Address Space Controller | |
#define TZASC_REGION_ENABLED 1 | |
#define TZASC_REGION_DISABLED 0 | |
#define TZASC_REGION_SIZE_32KB 0xE | |
#define TZASC_REGION_SIZE_64KB 0xF | |
#define TZASC_REGION_SIZE_128KB 0x10 | |
#define TZASC_REGION_SIZE_256KB 0x11 | |
#define TZASC_REGION_SIZE_512KB 0x12 | |
#define TZASC_REGION_SIZE_1MB 0x13 | |
#define TZASC_REGION_SIZE_2MB 0x14 | |
#define TZASC_REGION_SIZE_4MB 0x15 | |
#define TZASC_REGION_SIZE_8MB 0x16 | |
#define TZASC_REGION_SIZE_16MB 0x17 | |
#define TZASC_REGION_SIZE_32MB 0x18 | |
#define TZASC_REGION_SIZE_64MB 0x19 | |
#define TZASC_REGION_SIZE_128MB 0x1A | |
#define TZASC_REGION_SIZE_256MB 0x1B | |
#define TZASC_REGION_SIZE_512MB 0x1C | |
#define TZASC_REGION_SIZE_1GB 0x1D | |
#define TZASC_REGION_SIZE_2GB 0x1E | |
#define TZASC_REGION_SIZE_4GB 0x1F | |
#define TZASC_REGION_SECURITY_SR (1 << 3) | |
#define TZASC_REGION_SECURITY_SW (1 << 2) | |
#define TZASC_REGION_SECURITY_SRW (TZASC_REGION_SECURITY_SR|TZASC_REGION_SECURITY_SW) | |
#define TZASC_REGION_SECURITY_NSR (1 << 1) | |
#define TZASC_REGION_SECURITY_NSW 1 | |
#define TZASC_REGION_SECURITY_NSRW (TZASC_REGION_SECURITY_NSR|TZASC_REGION_SECURITY_NSW) | |
/** | |
FIXME: Need documentation | |
**/ | |
EFI_STATUS | |
TZASCSetRegion ( | |
IN INTN TzascBase, | |
IN UINTN RegionId, | |
IN UINTN Enabled, | |
IN UINTN LowAddress, | |
IN UINTN HighAddress, | |
IN UINTN Size, | |
IN UINTN Security | |
); | |
#endif |