mbed official / mbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Dependents:   hello SerialTestv11 SerialTestv12 Sierpinski ... more

mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

TARGET_DISCO_L072CZ_LRWAN1/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:
143:86740a56073b 
mbed library. Release version 158

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 143:86740a56073b 1 /**************************************************************************//**
AnnaBridge 143:86740a56073b 2 * @file core_cmSecureAccess.h
AnnaBridge 143:86740a56073b 3 * @brief CMSIS Cortex-M Core Secure Access Header File
AnnaBridge 143:86740a56073b 4 * @version XXX
AnnaBridge 143:86740a56073b 5 * @date 10. June 2016
AnnaBridge 143:86740a56073b 6 *
AnnaBridge 143:86740a56073b 7 * @note
AnnaBridge 143:86740a56073b 8 *
AnnaBridge 143:86740a56073b 9 ******************************************************************************/
AnnaBridge 143:86740a56073b 10 /* Copyright (c) 2016 ARM LIMITED
AnnaBridge 143:86740a56073b 11
AnnaBridge 143:86740a56073b 12 All rights reserved.
AnnaBridge 143:86740a56073b 13 Redistribution and use in source and binary forms, with or without
AnnaBridge 143:86740a56073b 14 modification, are permitted provided that the following conditions are met:
AnnaBridge 143:86740a56073b 15 - Redistributions of source code must retain the above copyright
AnnaBridge 143:86740a56073b 16 notice, this list of conditions and the following disclaimer.
AnnaBridge 143:86740a56073b 17 - Redistributions in binary form must reproduce the above copyright
AnnaBridge 143:86740a56073b 18 notice, this list of conditions and the following disclaimer in the
AnnaBridge 143:86740a56073b 19 documentation and/or other materials provided with the distribution.
AnnaBridge 143:86740a56073b 20 - Neither the name of ARM nor the names of its contributors may be used
AnnaBridge 143:86740a56073b 21 to endorse or promote products derived from this software without
AnnaBridge 143:86740a56073b 22 specific prior written permission.
AnnaBridge 143:86740a56073b 23 *
AnnaBridge 143:86740a56073b 24 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AnnaBridge 143:86740a56073b 25 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
AnnaBridge 143:86740a56073b 26 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
AnnaBridge 143:86740a56073b 27 ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
AnnaBridge 143:86740a56073b 28 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
AnnaBridge 143:86740a56073b 29 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
AnnaBridge 143:86740a56073b 30 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
AnnaBridge 143:86740a56073b 31 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
AnnaBridge 143:86740a56073b 32 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
AnnaBridge 143:86740a56073b 33 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
AnnaBridge 143:86740a56073b 34 POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 143:86740a56073b 35 ---------------------------------------------------------------------------*/
AnnaBridge 143:86740a56073b 36
AnnaBridge 143:86740a56073b 37
AnnaBridge 143:86740a56073b 38 #ifndef __CORE_CM_SECURE_ACCESS_H
AnnaBridge 143:86740a56073b 39 #define __CORE_CM_SECURE_ACCESS_H
AnnaBridge 143:86740a56073b 40
AnnaBridge 143:86740a56073b 41
AnnaBridge 143:86740a56073b 42 /* ########################### Core Secure Access ########################### */
AnnaBridge 143:86740a56073b 43
AnnaBridge 143:86740a56073b 44 #ifdef FEATURE_UVISOR
AnnaBridge 143:86740a56073b 45 #include "uvisor-lib/uvisor-lib.h"
AnnaBridge 143:86740a56073b 46
AnnaBridge 143:86740a56073b 47 /* Secure uVisor implementation. */
AnnaBridge 143:86740a56073b 48
AnnaBridge 143:86740a56073b 49 /** Set the value at the target address.
AnnaBridge 143:86740a56073b 50 *
AnnaBridge 143:86740a56073b 51 * Equivalent to: `*address = value`.
AnnaBridge 143:86740a56073b 52 * @param address[in] Target address
AnnaBridge 143:86740a56073b 53 * @param value[in] Value to write at the address location.
AnnaBridge 143:86740a56073b 54 */
AnnaBridge 143:86740a56073b 55 #define SECURE_WRITE(address, value) \
AnnaBridge 143:86740a56073b 56 uvisor_write(public_box, UVISOR_RGW_SHARED, address, value, UVISOR_RGW_OP_WRITE, 0xFFFFFFFFUL)
AnnaBridge 143:86740a56073b 57
AnnaBridge 143:86740a56073b 58 /** Get the value at the target address.
AnnaBridge 143:86740a56073b 59 *
AnnaBridge 143:86740a56073b 60 * @param address[in] Target address
AnnaBridge 143:86740a56073b 61 * @returns The value `*address`.
AnnaBridge 143:86740a56073b 62 */
AnnaBridge 143:86740a56073b 63 #define SECURE_READ(address) \
AnnaBridge 143:86740a56073b 64 uvisor_read(public_box, UVISOR_RGW_SHARED, address, UVISOR_RGW_OP_READ, 0xFFFFFFFFUL)
AnnaBridge 143:86740a56073b 65
AnnaBridge 143:86740a56073b 66 /** Get the selected bits at the target address.
AnnaBridge 143:86740a56073b 67 *
AnnaBridge 143:86740a56073b 68 * @param address[in] Target address
AnnaBridge 143:86740a56073b 69 * @param mask[in] Bits to select out of the target address
AnnaBridge 143:86740a56073b 70 * @returns The value `*address & mask`.
AnnaBridge 143:86740a56073b 71 */
AnnaBridge 143:86740a56073b 72 #define SECURE_BITS_GET(address, mask) \
AnnaBridge 143:86740a56073b 73 UVISOR_BITS_GET(public_box, UVISOR_RGW_SHARED, address, mask)
AnnaBridge 143:86740a56073b 74
AnnaBridge 143:86740a56073b 75 /** Check the selected bits at the target address.
AnnaBridge 143:86740a56073b 76 *
AnnaBridge 143:86740a56073b 77 * @param address[in] Address at which to check the bits
AnnaBridge 143:86740a56073b 78 * @param mask[in] Bits to select out of the target address
AnnaBridge 143:86740a56073b 79 * @returns The value `((*address & mask) == mask)`.
AnnaBridge 143:86740a56073b 80 */
AnnaBridge 143:86740a56073b 81 #define SECURE_BITS_CHECK(address, mask) \
AnnaBridge 143:86740a56073b 82 UVISOR_BITS_CHECK(public_box, UVISOR_RGW_SHARED, address, mask)
AnnaBridge 143:86740a56073b 83
AnnaBridge 143:86740a56073b 84 /** Set the selected bits to 1 at the target address.
AnnaBridge 143:86740a56073b 85 *
AnnaBridge 143:86740a56073b 86 * Equivalent to: `*address |= mask`.
AnnaBridge 143:86740a56073b 87 * @param address[in] Target address
AnnaBridge 143:86740a56073b 88 * @param mask[in] Bits to select out of the target address
AnnaBridge 143:86740a56073b 89 */
AnnaBridge 143:86740a56073b 90 #define SECURE_BITS_SET(address, mask) \
AnnaBridge 143:86740a56073b 91 UVISOR_BITS_SET(public_box, UVISOR_RGW_SHARED, address, mask)
AnnaBridge 143:86740a56073b 92
AnnaBridge 143:86740a56073b 93 /** Clear the selected bits at the target address.
AnnaBridge 143:86740a56073b 94 *
AnnaBridge 143:86740a56073b 95 * Equivalent to: `*address &= ~mask`.
AnnaBridge 143:86740a56073b 96 * @param address[in] Target address
AnnaBridge 143:86740a56073b 97 * @param mask[in] Bits to select out of the target address
AnnaBridge 143:86740a56073b 98 */
AnnaBridge 143:86740a56073b 99 #define SECURE_BITS_CLEAR(address, mask) \
AnnaBridge 143:86740a56073b 100 UVISOR_BITS_CLEAR(public_box, UVISOR_RGW_SHARED, address, mask)
AnnaBridge 143:86740a56073b 101
AnnaBridge 143:86740a56073b 102 /** Set the selected bits at the target address to the given value.
AnnaBridge 143:86740a56073b 103 *
AnnaBridge 143:86740a56073b 104 * Equivalent to: `*address = (*address & ~mask) | (value & mask)`.
AnnaBridge 143:86740a56073b 105 * @param address[in] Target address
AnnaBridge 143:86740a56073b 106 * @param mask[in] Bits to select out of the target address
AnnaBridge 143:86740a56073b 107 * @param value[in] Value to write at the address location. Note: The value
AnnaBridge 143:86740a56073b 108 * must be already shifted to the correct bit position
AnnaBridge 143:86740a56073b 109 */
AnnaBridge 143:86740a56073b 110 #define SECURE_BITS_SET_VALUE(address, mask, value) \
AnnaBridge 143:86740a56073b 111 UVISOR_BITS_SET_VALUE(public_box, UVISOR_RGW_SHARED, address, mask, value)
AnnaBridge 143:86740a56073b 112
AnnaBridge 143:86740a56073b 113 /** Toggle the selected bits at the target address.
AnnaBridge 143:86740a56073b 114 *
AnnaBridge 143:86740a56073b 115 * Equivalent to: `*address ^= mask`.
AnnaBridge 143:86740a56073b 116 * @param address[in] Target address
AnnaBridge 143:86740a56073b 117 * @param mask[in] Bits to select out of the target address
AnnaBridge 143:86740a56073b 118 */
AnnaBridge 143:86740a56073b 119 #define SECURE_BITS_TOGGLE(address, mask) \
AnnaBridge 143:86740a56073b 120 UVISOR_BITS_TOGGLE(public_box, UVISOR_RGW_SHARED, address, mask)
AnnaBridge 143:86740a56073b 121
AnnaBridge 143:86740a56073b 122 #else
AnnaBridge 143:86740a56073b 123
AnnaBridge 143:86740a56073b 124 /* Insecure fallback implementation. */
AnnaBridge 143:86740a56073b 125
AnnaBridge 143:86740a56073b 126 /** Set the value at the target address.
AnnaBridge 143:86740a56073b 127 *
AnnaBridge 143:86740a56073b 128 * Equivalent to: `*address = value`.
AnnaBridge 143:86740a56073b 129 * @param address[in] Target address
AnnaBridge 143:86740a56073b 130 * @param value[in] Value to write at the address location.
AnnaBridge 143:86740a56073b 131 */
AnnaBridge 143:86740a56073b 132 #define SECURE_WRITE(address, value) \
AnnaBridge 143:86740a56073b 133 *(address) = (value)
AnnaBridge 143:86740a56073b 134
AnnaBridge 143:86740a56073b 135 /** Get the value at the target address.
AnnaBridge 143:86740a56073b 136 *
AnnaBridge 143:86740a56073b 137 * @param address[in] Target address
AnnaBridge 143:86740a56073b 138 * @returns The value `*address`.
AnnaBridge 143:86740a56073b 139 */
AnnaBridge 143:86740a56073b 140 #define SECURE_READ(address) \
AnnaBridge 143:86740a56073b 141 (*(address))
AnnaBridge 143:86740a56073b 142
AnnaBridge 143:86740a56073b 143 /** Get the selected bits at the target address.
AnnaBridge 143:86740a56073b 144 *
AnnaBridge 143:86740a56073b 145 * @param address[in] Target address
AnnaBridge 143:86740a56073b 146 * @param mask[in] Bits to select out of the target address
AnnaBridge 143:86740a56073b 147 * @returns The value `*address & mask`.
AnnaBridge 143:86740a56073b 148 */
AnnaBridge 143:86740a56073b 149 #define SECURE_BITS_GET(address, mask) \
AnnaBridge 143:86740a56073b 150 (*(address) & (mask))
AnnaBridge 143:86740a56073b 151
AnnaBridge 143:86740a56073b 152 /** Check the selected bits at the target address.
AnnaBridge 143:86740a56073b 153 *
AnnaBridge 143:86740a56073b 154 * @param address[in] Address at which to check the bits
AnnaBridge 143:86740a56073b 155 * @param mask[in] Bits to select out of the target address
AnnaBridge 143:86740a56073b 156 * @returns The value `((*address & mask) == mask)`.
AnnaBridge 143:86740a56073b 157 */
AnnaBridge 143:86740a56073b 158 #define SECURE_BITS_CHECK(address, mask) \
AnnaBridge 143:86740a56073b 159 ((*(address) & (mask)) == (mask))
AnnaBridge 143:86740a56073b 160
AnnaBridge 143:86740a56073b 161 /** Set the selected bits to 1 at the target address.
AnnaBridge 143:86740a56073b 162 *
AnnaBridge 143:86740a56073b 163 * Equivalent to: `*address |= mask`.
AnnaBridge 143:86740a56073b 164 * @param address[in] Target address
AnnaBridge 143:86740a56073b 165 * @param mask[in] Bits to select out of the target address
AnnaBridge 143:86740a56073b 166 */
AnnaBridge 143:86740a56073b 167 #define SECURE_BITS_SET(address, mask) \
AnnaBridge 143:86740a56073b 168 *(address) |= (mask)
AnnaBridge 143:86740a56073b 169
AnnaBridge 143:86740a56073b 170 /** Clear the selected bits at the target address.
AnnaBridge 143:86740a56073b 171 *
AnnaBridge 143:86740a56073b 172 * Equivalent to: `*address &= ~mask`.
AnnaBridge 143:86740a56073b 173 * @param address[in] Target address
AnnaBridge 143:86740a56073b 174 * @param mask[in] Bits to select out of the target address
AnnaBridge 143:86740a56073b 175 */
AnnaBridge 143:86740a56073b 176 #define SECURE_BITS_CLEAR(address, mask) \
AnnaBridge 143:86740a56073b 177 *(address) &= ~(mask)
AnnaBridge 143:86740a56073b 178
AnnaBridge 143:86740a56073b 179 /** Set the selected bits at the target address to the given value.
AnnaBridge 143:86740a56073b 180 *
AnnaBridge 143:86740a56073b 181 * Equivalent to: `*address = (*address & ~mask) | (value & mask)`.
AnnaBridge 143:86740a56073b 182 * @param address[in] Target address
AnnaBridge 143:86740a56073b 183 * @param mask[in] Bits to select out of the target address
AnnaBridge 143:86740a56073b 184 * @param value[in] Value to write at the address location. Note: The value
AnnaBridge 143:86740a56073b 185 * must be already shifted to the correct bit position
AnnaBridge 143:86740a56073b 186 */
AnnaBridge 143:86740a56073b 187 #define SECURE_BITS_SET_VALUE(address, mask, value) \
AnnaBridge 143:86740a56073b 188 *(address) = (*(address) & ~(mask)) | ((value) & (mask))
AnnaBridge 143:86740a56073b 189
AnnaBridge 143:86740a56073b 190 /** Toggle the selected bits at the target address.
AnnaBridge 143:86740a56073b 191 *
AnnaBridge 143:86740a56073b 192 * Equivalent to: `*address ^= mask`.
AnnaBridge 143:86740a56073b 193 * @param address[in] Target address
AnnaBridge 143:86740a56073b 194 * @param mask[in] Bits to select out of the target address
AnnaBridge 143:86740a56073b 195 */
AnnaBridge 143:86740a56073b 196 #define SECURE_BITS_TOGGLE(address, mask) \
AnnaBridge 143:86740a56073b 197 *(address) ^= (mask)
AnnaBridge 143:86740a56073b 198
AnnaBridge 143:86740a56073b 199 #endif
AnnaBridge 143:86740a56073b 200
AnnaBridge 143:86740a56073b 201 #endif /* __CORE_CM_SECURE_ACCESS_H */