mirror of https://github.com/acidanthera/audk.git
106 lines
3.2 KiB
C
106 lines
3.2 KiB
C
/** @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)
|
|
|
|
/* Some useful masks */
|
|
#define TZASC_REGION_SETUP_LO_ADDR_MASK 0xFFFF8000
|
|
|
|
#define TZASC_REGION_ATTR_SECURITY_MASK 0xF
|
|
#define TZASC_REGION_ATTR_SUBREG_DIS_MASK 0xFF
|
|
#define TZASC_REGION_ATTR_SIZE_MASK 0x3F
|
|
#define TZASC_REGION_ATTR_EN_MASK 0x1
|
|
|
|
#define TZASC_REGION_SETUP_LO_ADDR(x) ((x) & TZASC_REGION_SETUP_LO_ADDR_MASK)
|
|
|
|
#define TZASC_REGION_ATTR_SECURITY(x) (((x) & TZASC_REGION_ATTR_SECURITY_MASK) << 28)
|
|
#define TZASC_REGION_ATTR_SUBREG_DISABLE(x) \
|
|
(((x) & TZASC_REGION_ATTR_SUBREG_DIS_MASK) << 8)
|
|
#define TZASC_REGION_ATTR_SIZE(x) (((x) & TZASC_REGION_ATTR_SIZE_MASK) << 1)
|
|
#define TZASC_REGION_ATTR_ENABLE(x) ((x) & TZASC_REGION_ATTR_EN_MASK)
|
|
|
|
/**
|
|
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,
|
|
IN UINTN SubregionDisableMask
|
|
);
|
|
|
|
#endif
|