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TARGET_NUCLEO_L496ZG_P/core_cmSecureAccess.h@160:5571c4ff569f, 2018-01-17 (annotated)

Committer:
Anna Bridge
Date:
Wed Jan 17 16:13:02 2018 +0000
Revision:
160:5571c4ff569f
Parent:
158:1c57384330a6 
mbed library. Release version 158

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 158:1c57384330a6 1 /**************************************************************************//**
AnnaBridge 158:1c57384330a6 2 * @file core_cmSecureAccess.h
AnnaBridge 158:1c57384330a6 3 * @brief CMSIS Cortex-M Core Secure Access Header File
AnnaBridge 158:1c57384330a6 4 * @version XXX
AnnaBridge 158:1c57384330a6 5 * @date 10. June 2016
AnnaBridge 158:1c57384330a6 6 *
AnnaBridge 158:1c57384330a6 7 * @note
AnnaBridge 158:1c57384330a6 8 *
AnnaBridge 158:1c57384330a6 9 ******************************************************************************/
AnnaBridge 158:1c57384330a6 10 /* Copyright (c) 2016 ARM LIMITED
AnnaBridge 158:1c57384330a6 11
AnnaBridge 158:1c57384330a6 12 All rights reserved.
AnnaBridge 158:1c57384330a6 13 Redistribution and use in source and binary forms, with or without
AnnaBridge 158:1c57384330a6 14 modification, are permitted provided that the following conditions are met:
AnnaBridge 158:1c57384330a6 15 - Redistributions of source code must retain the above copyright
AnnaBridge 158:1c57384330a6 16 notice, this list of conditions and the following disclaimer.
AnnaBridge 158:1c57384330a6 17 - Redistributions in binary form must reproduce the above copyright
AnnaBridge 158:1c57384330a6 18 notice, this list of conditions and the following disclaimer in the
AnnaBridge 158:1c57384330a6 19 documentation and/or other materials provided with the distribution.
AnnaBridge 158:1c57384330a6 20 - Neither the name of ARM nor the names of its contributors may be used
AnnaBridge 158:1c57384330a6 21 to endorse or promote products derived from this software without
AnnaBridge 158:1c57384330a6 22 specific prior written permission.
AnnaBridge 158:1c57384330a6 23 *
AnnaBridge 158:1c57384330a6 24 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AnnaBridge 158:1c57384330a6 25 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
AnnaBridge 158:1c57384330a6 26 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
AnnaBridge 158:1c57384330a6 27 ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
AnnaBridge 158:1c57384330a6 28 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
AnnaBridge 158:1c57384330a6 29 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
AnnaBridge 158:1c57384330a6 30 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
AnnaBridge 158:1c57384330a6 31 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
AnnaBridge 158:1c57384330a6 32 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
AnnaBridge 158:1c57384330a6 33 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
AnnaBridge 158:1c57384330a6 34 POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 158:1c57384330a6 35 ---------------------------------------------------------------------------*/
AnnaBridge 158:1c57384330a6 36
AnnaBridge 158:1c57384330a6 37
AnnaBridge 158:1c57384330a6 38 #ifndef __CORE_CM_SECURE_ACCESS_H
AnnaBridge 158:1c57384330a6 39 #define __CORE_CM_SECURE_ACCESS_H
AnnaBridge 158:1c57384330a6 40
AnnaBridge 158:1c57384330a6 41
AnnaBridge 158:1c57384330a6 42 /* ########################### Core Secure Access ########################### */
AnnaBridge 158:1c57384330a6 43
AnnaBridge 158:1c57384330a6 44 #ifdef FEATURE_UVISOR
AnnaBridge 158:1c57384330a6 45 #include "uvisor-lib/uvisor-lib.h"
AnnaBridge 158:1c57384330a6 46
AnnaBridge 158:1c57384330a6 47 /* Secure uVisor implementation. */
AnnaBridge 158:1c57384330a6 48
AnnaBridge 158:1c57384330a6 49 /** Set the value at the target address.
AnnaBridge 158:1c57384330a6 50 *
AnnaBridge 158:1c57384330a6 51 * Equivalent to: `*address = value`.
AnnaBridge 158:1c57384330a6 52 * @param address[in] Target address
AnnaBridge 158:1c57384330a6 53 * @param value[in] Value to write at the address location.
AnnaBridge 158:1c57384330a6 54 */
AnnaBridge 158:1c57384330a6 55 #define SECURE_WRITE(address, value) \
AnnaBridge 158:1c57384330a6 56 uvisor_write(public_box, UVISOR_RGW_SHARED, address, value, UVISOR_RGW_OP_WRITE, 0xFFFFFFFFUL)
AnnaBridge 158:1c57384330a6 57
AnnaBridge 158:1c57384330a6 58 /** Get the value at the target address.
AnnaBridge 158:1c57384330a6 59 *
AnnaBridge 158:1c57384330a6 60 * @param address[in] Target address
AnnaBridge 158:1c57384330a6 61 * @returns The value `*address`.
AnnaBridge 158:1c57384330a6 62 */
AnnaBridge 158:1c57384330a6 63 #define SECURE_READ(address) \
AnnaBridge 158:1c57384330a6 64 uvisor_read(public_box, UVISOR_RGW_SHARED, address, UVISOR_RGW_OP_READ, 0xFFFFFFFFUL)
AnnaBridge 158:1c57384330a6 65
AnnaBridge 158:1c57384330a6 66 /** Get the selected bits at the target address.
AnnaBridge 158:1c57384330a6 67 *
AnnaBridge 158:1c57384330a6 68 * @param address[in] Target address
AnnaBridge 158:1c57384330a6 69 * @param mask[in] Bits to select out of the target address
AnnaBridge 158:1c57384330a6 70 * @returns The value `*address & mask`.
AnnaBridge 158:1c57384330a6 71 */
AnnaBridge 158:1c57384330a6 72 #define SECURE_BITS_GET(address, mask) \
AnnaBridge 158:1c57384330a6 73 UVISOR_BITS_GET(public_box, UVISOR_RGW_SHARED, address, mask)
AnnaBridge 158:1c57384330a6 74
AnnaBridge 158:1c57384330a6 75 /** Check the selected bits at the target address.
AnnaBridge 158:1c57384330a6 76 *
AnnaBridge 158:1c57384330a6 77 * @param address[in] Address at which to check the bits
AnnaBridge 158:1c57384330a6 78 * @param mask[in] Bits to select out of the target address
AnnaBridge 158:1c57384330a6 79 * @returns The value `((*address & mask) == mask)`.
AnnaBridge 158:1c57384330a6 80 */
AnnaBridge 158:1c57384330a6 81 #define SECURE_BITS_CHECK(address, mask) \
AnnaBridge 158:1c57384330a6 82 UVISOR_BITS_CHECK(public_box, UVISOR_RGW_SHARED, address, mask)
AnnaBridge 158:1c57384330a6 83
AnnaBridge 158:1c57384330a6 84 /** Set the selected bits to 1 at the target address.
AnnaBridge 158:1c57384330a6 85 *
AnnaBridge 158:1c57384330a6 86 * Equivalent to: `*address |= mask`.
AnnaBridge 158:1c57384330a6 87 * @param address[in] Target address
AnnaBridge 158:1c57384330a6 88 * @param mask[in] Bits to select out of the target address
AnnaBridge 158:1c57384330a6 89 */
AnnaBridge 158:1c57384330a6 90 #define SECURE_BITS_SET(address, mask) \
AnnaBridge 158:1c57384330a6 91 UVISOR_BITS_SET(public_box, UVISOR_RGW_SHARED, address, mask)
AnnaBridge 158:1c57384330a6 92
AnnaBridge 158:1c57384330a6 93 /** Clear the selected bits at the target address.
AnnaBridge 158:1c57384330a6 94 *
AnnaBridge 158:1c57384330a6 95 * Equivalent to: `*address &= ~mask`.
AnnaBridge 158:1c57384330a6 96 * @param address[in] Target address
AnnaBridge 158:1c57384330a6 97 * @param mask[in] Bits to select out of the target address
AnnaBridge 158:1c57384330a6 98 */
AnnaBridge 158:1c57384330a6 99 #define SECURE_BITS_CLEAR(address, mask) \
AnnaBridge 158:1c57384330a6 100 UVISOR_BITS_CLEAR(public_box, UVISOR_RGW_SHARED, address, mask)
AnnaBridge 158:1c57384330a6 101
AnnaBridge 158:1c57384330a6 102 /** Set the selected bits at the target address to the given value.
AnnaBridge 158:1c57384330a6 103 *
AnnaBridge 158:1c57384330a6 104 * Equivalent to: `*address = (*address & ~mask) | (value & mask)`.
AnnaBridge 158:1c57384330a6 105 * @param address[in] Target address
AnnaBridge 158:1c57384330a6 106 * @param mask[in] Bits to select out of the target address
AnnaBridge 158:1c57384330a6 107 * @param value[in] Value to write at the address location. Note: The value
AnnaBridge 158:1c57384330a6 108 * must be already shifted to the correct bit position
AnnaBridge 158:1c57384330a6 109 */
AnnaBridge 158:1c57384330a6 110 #define SECURE_BITS_SET_VALUE(address, mask, value) \
AnnaBridge 158:1c57384330a6 111 UVISOR_BITS_SET_VALUE(public_box, UVISOR_RGW_SHARED, address, mask, value)
AnnaBridge 158:1c57384330a6 112
AnnaBridge 158:1c57384330a6 113 /** Toggle the selected bits at the target address.
AnnaBridge 158:1c57384330a6 114 *
AnnaBridge 158:1c57384330a6 115 * Equivalent to: `*address ^= mask`.
AnnaBridge 158:1c57384330a6 116 * @param address[in] Target address
AnnaBridge 158:1c57384330a6 117 * @param mask[in] Bits to select out of the target address
AnnaBridge 158:1c57384330a6 118 */
AnnaBridge 158:1c57384330a6 119 #define SECURE_BITS_TOGGLE(address, mask) \
AnnaBridge 158:1c57384330a6 120 UVISOR_BITS_TOGGLE(public_box, UVISOR_RGW_SHARED, address, mask)
AnnaBridge 158:1c57384330a6 121
AnnaBridge 158:1c57384330a6 122 #else
AnnaBridge 158:1c57384330a6 123
AnnaBridge 158:1c57384330a6 124 /* Insecure fallback implementation. */
AnnaBridge 158:1c57384330a6 125
AnnaBridge 158:1c57384330a6 126 /** Set the value at the target address.
AnnaBridge 158:1c57384330a6 127 *
AnnaBridge 158:1c57384330a6 128 * Equivalent to: `*address = value`.
AnnaBridge 158:1c57384330a6 129 * @param address[in] Target address
AnnaBridge 158:1c57384330a6 130 * @param value[in] Value to write at the address location.
AnnaBridge 158:1c57384330a6 131 */
AnnaBridge 158:1c57384330a6 132 #define SECURE_WRITE(address, value) \
AnnaBridge 158:1c57384330a6 133 *(address) = (value)
AnnaBridge 158:1c57384330a6 134
AnnaBridge 158:1c57384330a6 135 /** Get the value at the target address.
AnnaBridge 158:1c57384330a6 136 *
AnnaBridge 158:1c57384330a6 137 * @param address[in] Target address
AnnaBridge 158:1c57384330a6 138 * @returns The value `*address`.
AnnaBridge 158:1c57384330a6 139 */
AnnaBridge 158:1c57384330a6 140 #define SECURE_READ(address) \
AnnaBridge 158:1c57384330a6 141 (*(address))
AnnaBridge 158:1c57384330a6 142
AnnaBridge 158:1c57384330a6 143 /** Get the selected bits at the target address.
AnnaBridge 158:1c57384330a6 144 *
AnnaBridge 158:1c57384330a6 145 * @param address[in] Target address
AnnaBridge 158:1c57384330a6 146 * @param mask[in] Bits to select out of the target address
AnnaBridge 158:1c57384330a6 147 * @returns The value `*address & mask`.
AnnaBridge 158:1c57384330a6 148 */
AnnaBridge 158:1c57384330a6 149 #define SECURE_BITS_GET(address, mask) \
AnnaBridge 158:1c57384330a6 150 (*(address) & (mask))
AnnaBridge 158:1c57384330a6 151
AnnaBridge 158:1c57384330a6 152 /** Check the selected bits at the target address.
AnnaBridge 158:1c57384330a6 153 *
AnnaBridge 158:1c57384330a6 154 * @param address[in] Address at which to check the bits
AnnaBridge 158:1c57384330a6 155 * @param mask[in] Bits to select out of the target address
AnnaBridge 158:1c57384330a6 156 * @returns The value `((*address & mask) == mask)`.
AnnaBridge 158:1c57384330a6 157 */
AnnaBridge 158:1c57384330a6 158 #define SECURE_BITS_CHECK(address, mask) \
AnnaBridge 158:1c57384330a6 159 ((*(address) & (mask)) == (mask))
AnnaBridge 158:1c57384330a6 160
AnnaBridge 158:1c57384330a6 161 /** Set the selected bits to 1 at the target address.
AnnaBridge 158:1c57384330a6 162 *
AnnaBridge 158:1c57384330a6 163 * Equivalent to: `*address |= mask`.
AnnaBridge 158:1c57384330a6 164 * @param address[in] Target address
AnnaBridge 158:1c57384330a6 165 * @param mask[in] Bits to select out of the target address
AnnaBridge 158:1c57384330a6 166 */
AnnaBridge 158:1c57384330a6 167 #define SECURE_BITS_SET(address, mask) \
AnnaBridge 158:1c57384330a6 168 *(address) |= (mask)
AnnaBridge 158:1c57384330a6 169
AnnaBridge 158:1c57384330a6 170 /** Clear the selected bits at the target address.
AnnaBridge 158:1c57384330a6 171 *
AnnaBridge 158:1c57384330a6 172 * Equivalent to: `*address &= ~mask`.
AnnaBridge 158:1c57384330a6 173 * @param address[in] Target address
AnnaBridge 158:1c57384330a6 174 * @param mask[in] Bits to select out of the target address
AnnaBridge 158:1c57384330a6 175 */
AnnaBridge 158:1c57384330a6 176 #define SECURE_BITS_CLEAR(address, mask) \
AnnaBridge 158:1c57384330a6 177 *(address) &= ~(mask)
AnnaBridge 158:1c57384330a6 178
AnnaBridge 158:1c57384330a6 179 /** Set the selected bits at the target address to the given value.
AnnaBridge 158:1c57384330a6 180 *
AnnaBridge 158:1c57384330a6 181 * Equivalent to: `*address = (*address & ~mask) | (value & mask)`.
AnnaBridge 158:1c57384330a6 182 * @param address[in] Target address
AnnaBridge 158:1c57384330a6 183 * @param mask[in] Bits to select out of the target address
AnnaBridge 158:1c57384330a6 184 * @param value[in] Value to write at the address location. Note: The value
AnnaBridge 158:1c57384330a6 185 * must be already shifted to the correct bit position
AnnaBridge 158:1c57384330a6 186 */
AnnaBridge 158:1c57384330a6 187 #define SECURE_BITS_SET_VALUE(address, mask, value) \
AnnaBridge 158:1c57384330a6 188 *(address) = (*(address) & ~(mask)) | ((value) & (mask))
AnnaBridge 158:1c57384330a6 189
AnnaBridge 158:1c57384330a6 190 /** Toggle the selected bits at the target address.
AnnaBridge 158:1c57384330a6 191 *
AnnaBridge 158:1c57384330a6 192 * Equivalent to: `*address ^= mask`.
AnnaBridge 158:1c57384330a6 193 * @param address[in] Target address
AnnaBridge 158:1c57384330a6 194 * @param mask[in] Bits to select out of the target address
AnnaBridge 158:1c57384330a6 195 */
AnnaBridge 158:1c57384330a6 196 #define SECURE_BITS_TOGGLE(address, mask) \
AnnaBridge 158:1c57384330a6 197 *(address) ^= (mask)
AnnaBridge 158:1c57384330a6 198
AnnaBridge 158:1c57384330a6 199 #endif
AnnaBridge 158:1c57384330a6 200
AnnaBridge 158:1c57384330a6 201 #endif /* __CORE_CM_SECURE_ACCESS_H */