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TARGET_LPC546XX/core_cmSecureAccess.h@170:e95d10626187, 2018-09-06 (annotated)

Committer:
AnnaBridge
Date:
Thu Sep 06 13:39:34 2018 +0100
Revision:
170:e95d10626187
Parent:
153:b484a57bc302 
mbed library. Release version 163

Who changed what in which revision?

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AnnaBridge 153:b484a57bc302 1 /**************************************************************************//**
AnnaBridge 153:b484a57bc302 2 * @file core_cmSecureAccess.h
AnnaBridge 153:b484a57bc302 3 * @brief CMSIS Cortex-M Core Secure Access Header File
AnnaBridge 153:b484a57bc302 4 * @version XXX
AnnaBridge 153:b484a57bc302 5 * @date 10. June 2016
AnnaBridge 153:b484a57bc302 6 *
AnnaBridge 153:b484a57bc302 7 * @note
AnnaBridge 153:b484a57bc302 8 *
AnnaBridge 153:b484a57bc302 9 ******************************************************************************/
AnnaBridge 153:b484a57bc302 10 /* Copyright (c) 2016 ARM LIMITED
AnnaBridge 153:b484a57bc302 11
AnnaBridge 153:b484a57bc302 12 All rights reserved.
AnnaBridge 153:b484a57bc302 13 Redistribution and use in source and binary forms, with or without
AnnaBridge 153:b484a57bc302 14 modification, are permitted provided that the following conditions are met:
AnnaBridge 153:b484a57bc302 15 - Redistributions of source code must retain the above copyright
AnnaBridge 153:b484a57bc302 16 notice, this list of conditions and the following disclaimer.
AnnaBridge 153:b484a57bc302 17 - Redistributions in binary form must reproduce the above copyright
AnnaBridge 153:b484a57bc302 18 notice, this list of conditions and the following disclaimer in the
AnnaBridge 153:b484a57bc302 19 documentation and/or other materials provided with the distribution.
AnnaBridge 153:b484a57bc302 20 - Neither the name of ARM nor the names of its contributors may be used
AnnaBridge 153:b484a57bc302 21 to endorse or promote products derived from this software without
AnnaBridge 153:b484a57bc302 22 specific prior written permission.
AnnaBridge 153:b484a57bc302 23 *
AnnaBridge 153:b484a57bc302 24 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AnnaBridge 153:b484a57bc302 25 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
AnnaBridge 153:b484a57bc302 26 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
AnnaBridge 153:b484a57bc302 27 ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
AnnaBridge 153:b484a57bc302 28 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
AnnaBridge 153:b484a57bc302 29 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
AnnaBridge 153:b484a57bc302 30 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
AnnaBridge 153:b484a57bc302 31 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
AnnaBridge 153:b484a57bc302 32 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
AnnaBridge 153:b484a57bc302 33 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
AnnaBridge 153:b484a57bc302 34 POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 153:b484a57bc302 35 ---------------------------------------------------------------------------*/
AnnaBridge 153:b484a57bc302 36
AnnaBridge 153:b484a57bc302 37
AnnaBridge 153:b484a57bc302 38 #ifndef __CORE_CM_SECURE_ACCESS_H
AnnaBridge 153:b484a57bc302 39 #define __CORE_CM_SECURE_ACCESS_H
AnnaBridge 153:b484a57bc302 40
AnnaBridge 153:b484a57bc302 41
AnnaBridge 153:b484a57bc302 42 /* ########################### Core Secure Access ########################### */
AnnaBridge 153:b484a57bc302 43
AnnaBridge 153:b484a57bc302 44 #ifdef FEATURE_UVISOR
AnnaBridge 153:b484a57bc302 45 #include "uvisor-lib/uvisor-lib.h"
AnnaBridge 153:b484a57bc302 46
AnnaBridge 153:b484a57bc302 47 /* Secure uVisor implementation. */
AnnaBridge 153:b484a57bc302 48
AnnaBridge 153:b484a57bc302 49 /** Set the value at the target address.
AnnaBridge 153:b484a57bc302 50 *
AnnaBridge 153:b484a57bc302 51 * Equivalent to: `*address = value`.
AnnaBridge 153:b484a57bc302 52 * @param address[in] Target address
AnnaBridge 153:b484a57bc302 53 * @param value[in] Value to write at the address location.
AnnaBridge 153:b484a57bc302 54 */
AnnaBridge 153:b484a57bc302 55 #define SECURE_WRITE(address, value) \
AnnaBridge 153:b484a57bc302 56 uvisor_write(public_box, UVISOR_RGW_SHARED, address, value, UVISOR_RGW_OP_WRITE, 0xFFFFFFFFUL)
AnnaBridge 153:b484a57bc302 57
AnnaBridge 153:b484a57bc302 58 /** Get the value at the target address.
AnnaBridge 153:b484a57bc302 59 *
AnnaBridge 153:b484a57bc302 60 * @param address[in] Target address
AnnaBridge 153:b484a57bc302 61 * @returns The value `*address`.
AnnaBridge 153:b484a57bc302 62 */
AnnaBridge 153:b484a57bc302 63 #define SECURE_READ(address) \
AnnaBridge 153:b484a57bc302 64 uvisor_read(public_box, UVISOR_RGW_SHARED, address, UVISOR_RGW_OP_READ, 0xFFFFFFFFUL)
AnnaBridge 153:b484a57bc302 65
AnnaBridge 153:b484a57bc302 66 /** Get the selected bits at the target address.
AnnaBridge 153:b484a57bc302 67 *
AnnaBridge 153:b484a57bc302 68 * @param address[in] Target address
AnnaBridge 153:b484a57bc302 69 * @param mask[in] Bits to select out of the target address
AnnaBridge 153:b484a57bc302 70 * @returns The value `*address & mask`.
AnnaBridge 153:b484a57bc302 71 */
AnnaBridge 153:b484a57bc302 72 #define SECURE_BITS_GET(address, mask) \
AnnaBridge 153:b484a57bc302 73 UVISOR_BITS_GET(public_box, UVISOR_RGW_SHARED, address, mask)
AnnaBridge 153:b484a57bc302 74
AnnaBridge 153:b484a57bc302 75 /** Check the selected bits at the target address.
AnnaBridge 153:b484a57bc302 76 *
AnnaBridge 153:b484a57bc302 77 * @param address[in] Address at which to check the bits
AnnaBridge 153:b484a57bc302 78 * @param mask[in] Bits to select out of the target address
AnnaBridge 153:b484a57bc302 79 * @returns The value `((*address & mask) == mask)`.
AnnaBridge 153:b484a57bc302 80 */
AnnaBridge 153:b484a57bc302 81 #define SECURE_BITS_CHECK(address, mask) \
AnnaBridge 153:b484a57bc302 82 UVISOR_BITS_CHECK(public_box, UVISOR_RGW_SHARED, address, mask)
AnnaBridge 153:b484a57bc302 83
AnnaBridge 153:b484a57bc302 84 /** Set the selected bits to 1 at the target address.
AnnaBridge 153:b484a57bc302 85 *
AnnaBridge 153:b484a57bc302 86 * Equivalent to: `*address |= mask`.
AnnaBridge 153:b484a57bc302 87 * @param address[in] Target address
AnnaBridge 153:b484a57bc302 88 * @param mask[in] Bits to select out of the target address
AnnaBridge 153:b484a57bc302 89 */
AnnaBridge 153:b484a57bc302 90 #define SECURE_BITS_SET(address, mask) \
AnnaBridge 153:b484a57bc302 91 UVISOR_BITS_SET(public_box, UVISOR_RGW_SHARED, address, mask)
AnnaBridge 153:b484a57bc302 92
AnnaBridge 153:b484a57bc302 93 /** Clear the selected bits at the target address.
AnnaBridge 153:b484a57bc302 94 *
AnnaBridge 153:b484a57bc302 95 * Equivalent to: `*address &= ~mask`.
AnnaBridge 153:b484a57bc302 96 * @param address[in] Target address
AnnaBridge 153:b484a57bc302 97 * @param mask[in] Bits to select out of the target address
AnnaBridge 153:b484a57bc302 98 */
AnnaBridge 153:b484a57bc302 99 #define SECURE_BITS_CLEAR(address, mask) \
AnnaBridge 153:b484a57bc302 100 UVISOR_BITS_CLEAR(public_box, UVISOR_RGW_SHARED, address, mask)
AnnaBridge 153:b484a57bc302 101
AnnaBridge 153:b484a57bc302 102 /** Set the selected bits at the target address to the given value.
AnnaBridge 153:b484a57bc302 103 *
AnnaBridge 153:b484a57bc302 104 * Equivalent to: `*address = (*address & ~mask) | (value & mask)`.
AnnaBridge 153:b484a57bc302 105 * @param address[in] Target address
AnnaBridge 153:b484a57bc302 106 * @param mask[in] Bits to select out of the target address
AnnaBridge 153:b484a57bc302 107 * @param value[in] Value to write at the address location. Note: The value
AnnaBridge 153:b484a57bc302 108 * must be already shifted to the correct bit position
AnnaBridge 153:b484a57bc302 109 */
AnnaBridge 153:b484a57bc302 110 #define SECURE_BITS_SET_VALUE(address, mask, value) \
AnnaBridge 153:b484a57bc302 111 UVISOR_BITS_SET_VALUE(public_box, UVISOR_RGW_SHARED, address, mask, value)
AnnaBridge 153:b484a57bc302 112
AnnaBridge 153:b484a57bc302 113 /** Toggle the selected bits at the target address.
AnnaBridge 153:b484a57bc302 114 *
AnnaBridge 153:b484a57bc302 115 * Equivalent to: `*address ^= mask`.
AnnaBridge 153:b484a57bc302 116 * @param address[in] Target address
AnnaBridge 153:b484a57bc302 117 * @param mask[in] Bits to select out of the target address
AnnaBridge 153:b484a57bc302 118 */
AnnaBridge 153:b484a57bc302 119 #define SECURE_BITS_TOGGLE(address, mask) \
AnnaBridge 153:b484a57bc302 120 UVISOR_BITS_TOGGLE(public_box, UVISOR_RGW_SHARED, address, mask)
AnnaBridge 153:b484a57bc302 121
AnnaBridge 153:b484a57bc302 122 #else
AnnaBridge 153:b484a57bc302 123
AnnaBridge 153:b484a57bc302 124 /* Insecure fallback implementation. */
AnnaBridge 153:b484a57bc302 125
AnnaBridge 153:b484a57bc302 126 /** Set the value at the target address.
AnnaBridge 153:b484a57bc302 127 *
AnnaBridge 153:b484a57bc302 128 * Equivalent to: `*address = value`.
AnnaBridge 153:b484a57bc302 129 * @param address[in] Target address
AnnaBridge 153:b484a57bc302 130 * @param value[in] Value to write at the address location.
AnnaBridge 153:b484a57bc302 131 */
AnnaBridge 153:b484a57bc302 132 #define SECURE_WRITE(address, value) \
AnnaBridge 153:b484a57bc302 133 *(address) = (value)
AnnaBridge 153:b484a57bc302 134
AnnaBridge 153:b484a57bc302 135 /** Get the value at the target address.
AnnaBridge 153:b484a57bc302 136 *
AnnaBridge 153:b484a57bc302 137 * @param address[in] Target address
AnnaBridge 153:b484a57bc302 138 * @returns The value `*address`.
AnnaBridge 153:b484a57bc302 139 */
AnnaBridge 153:b484a57bc302 140 #define SECURE_READ(address) \
AnnaBridge 153:b484a57bc302 141 (*(address))
AnnaBridge 153:b484a57bc302 142
AnnaBridge 153:b484a57bc302 143 /** Get the selected bits at the target address.
AnnaBridge 153:b484a57bc302 144 *
AnnaBridge 153:b484a57bc302 145 * @param address[in] Target address
AnnaBridge 153:b484a57bc302 146 * @param mask[in] Bits to select out of the target address
AnnaBridge 153:b484a57bc302 147 * @returns The value `*address & mask`.
AnnaBridge 153:b484a57bc302 148 */
AnnaBridge 153:b484a57bc302 149 #define SECURE_BITS_GET(address, mask) \
AnnaBridge 153:b484a57bc302 150 (*(address) & (mask))
AnnaBridge 153:b484a57bc302 151
AnnaBridge 153:b484a57bc302 152 /** Check the selected bits at the target address.
AnnaBridge 153:b484a57bc302 153 *
AnnaBridge 153:b484a57bc302 154 * @param address[in] Address at which to check the bits
AnnaBridge 153:b484a57bc302 155 * @param mask[in] Bits to select out of the target address
AnnaBridge 153:b484a57bc302 156 * @returns The value `((*address & mask) == mask)`.
AnnaBridge 153:b484a57bc302 157 */
AnnaBridge 153:b484a57bc302 158 #define SECURE_BITS_CHECK(address, mask) \
AnnaBridge 153:b484a57bc302 159 ((*(address) & (mask)) == (mask))
AnnaBridge 153:b484a57bc302 160
AnnaBridge 153:b484a57bc302 161 /** Set the selected bits to 1 at the target address.
AnnaBridge 153:b484a57bc302 162 *
AnnaBridge 153:b484a57bc302 163 * Equivalent to: `*address |= mask`.
AnnaBridge 153:b484a57bc302 164 * @param address[in] Target address
AnnaBridge 153:b484a57bc302 165 * @param mask[in] Bits to select out of the target address
AnnaBridge 153:b484a57bc302 166 */
AnnaBridge 153:b484a57bc302 167 #define SECURE_BITS_SET(address, mask) \
AnnaBridge 153:b484a57bc302 168 *(address) |= (mask)
AnnaBridge 153:b484a57bc302 169
AnnaBridge 153:b484a57bc302 170 /** Clear the selected bits at the target address.
AnnaBridge 153:b484a57bc302 171 *
AnnaBridge 153:b484a57bc302 172 * Equivalent to: `*address &= ~mask`.
AnnaBridge 153:b484a57bc302 173 * @param address[in] Target address
AnnaBridge 153:b484a57bc302 174 * @param mask[in] Bits to select out of the target address
AnnaBridge 153:b484a57bc302 175 */
AnnaBridge 153:b484a57bc302 176 #define SECURE_BITS_CLEAR(address, mask) \
AnnaBridge 153:b484a57bc302 177 *(address) &= ~(mask)
AnnaBridge 153:b484a57bc302 178
AnnaBridge 153:b484a57bc302 179 /** Set the selected bits at the target address to the given value.
AnnaBridge 153:b484a57bc302 180 *
AnnaBridge 153:b484a57bc302 181 * Equivalent to: `*address = (*address & ~mask) | (value & mask)`.
AnnaBridge 153:b484a57bc302 182 * @param address[in] Target address
AnnaBridge 153:b484a57bc302 183 * @param mask[in] Bits to select out of the target address
AnnaBridge 153:b484a57bc302 184 * @param value[in] Value to write at the address location. Note: The value
AnnaBridge 153:b484a57bc302 185 * must be already shifted to the correct bit position
AnnaBridge 153:b484a57bc302 186 */
AnnaBridge 153:b484a57bc302 187 #define SECURE_BITS_SET_VALUE(address, mask, value) \
AnnaBridge 153:b484a57bc302 188 *(address) = (*(address) & ~(mask)) | ((value) & (mask))
AnnaBridge 153:b484a57bc302 189
AnnaBridge 153:b484a57bc302 190 /** Toggle the selected bits at the target address.
AnnaBridge 153:b484a57bc302 191 *
AnnaBridge 153:b484a57bc302 192 * Equivalent to: `*address ^= mask`.
AnnaBridge 153:b484a57bc302 193 * @param address[in] Target address
AnnaBridge 153:b484a57bc302 194 * @param mask[in] Bits to select out of the target address
AnnaBridge 153:b484a57bc302 195 */
AnnaBridge 153:b484a57bc302 196 #define SECURE_BITS_TOGGLE(address, mask) \
AnnaBridge 153:b484a57bc302 197 *(address) ^= (mask)
AnnaBridge 153:b484a57bc302 198
AnnaBridge 153:b484a57bc302 199 #endif
AnnaBridge 153:b484a57bc302 200
AnnaBridge 153:b484a57bc302 201 #endif /* __CORE_CM_SECURE_ACCESS_H */