2 * FreeRTOS Kernel V10.4.5
\r
3 * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
\r
5 * SPDX-License-Identifier: MIT
\r
7 * Permission is hereby granted, free of charge, to any person obtaining a copy of
\r
8 * this software and associated documentation files (the "Software"), to deal in
\r
9 * the Software without restriction, including without limitation the rights to
\r
10 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
\r
11 * the Software, and to permit persons to whom the Software is furnished to do so,
\r
12 * subject to the following conditions:
\r
14 * The above copyright notice and this permission notice shall be included in all
\r
15 * copies or substantial portions of the Software.
\r
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
\r
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
\r
19 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
\r
20 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
\r
21 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
\r
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
\r
24 * https://www.FreeRTOS.org
\r
25 * https://github.com/FreeRTOS
\r
29 #ifndef __SECURE_PORT_MACROS_H__
\r
30 #define __SECURE_PORT_MACROS_H__
\r
33 * @brief Byte alignment requirements.
\r
35 #define secureportBYTE_ALIGNMENT 8
\r
36 #define secureportBYTE_ALIGNMENT_MASK ( 0x0007 )
\r
39 * @brief Macro to declare a function as non-secure callable.
\r
41 #if defined( __IAR_SYSTEMS_ICC__ )
\r
42 #define secureportNON_SECURE_CALLABLE __cmse_nonsecure_entry __root
\r
44 #define secureportNON_SECURE_CALLABLE __attribute__( ( cmse_nonsecure_entry ) ) __attribute__( ( used ) )
\r
48 * @brief Set the secure PRIMASK value.
\r
50 #define secureportSET_SECURE_PRIMASK( ulPrimaskValue ) \
\r
51 __asm volatile ( "msr primask, %0" : : "r" ( ulPrimaskValue ) : "memory" )
\r
54 * @brief Set the non-secure PRIMASK value.
\r
56 #define secureportSET_NON_SECURE_PRIMASK( ulPrimaskValue ) \
\r
57 __asm volatile ( "msr primask_ns, %0" : : "r" ( ulPrimaskValue ) : "memory" )
\r
60 * @brief Read the PSP value in the given variable.
\r
62 #define secureportREAD_PSP( pucOutCurrentStackPointer ) \
\r
63 __asm volatile ( "mrs %0, psp" : "=r" ( pucOutCurrentStackPointer ) )
\r
66 * @brief Set the PSP to the given value.
\r
68 #define secureportSET_PSP( pucCurrentStackPointer ) \
\r
69 __asm volatile ( "msr psp, %0" : : "r" ( pucCurrentStackPointer ) )
\r
72 * @brief Read the PSPLIM value in the given variable.
\r
74 #define secureportREAD_PSPLIM( pucOutStackLimit ) \
\r
75 __asm volatile ( "mrs %0, psplim" : "=r" ( pucOutStackLimit ) )
\r
78 * @brief Set the PSPLIM to the given value.
\r
80 #define secureportSET_PSPLIM( pucStackLimit ) \
\r
81 __asm volatile ( "msr psplim, %0" : : "r" ( pucStackLimit ) )
\r
84 * @brief Set the NonSecure MSP to the given value.
\r
86 #define secureportSET_MSP_NS( pucMainStackPointer ) \
\r
87 __asm volatile ( "msr msp_ns, %0" : : "r" ( pucMainStackPointer ) )
\r
90 * @brief Set the CONTROL register to the given value.
\r
92 #define secureportSET_CONTROL( ulControl ) \
\r
93 __asm volatile ( "msr control, %0" : : "r" ( ulControl ) : "memory" )
\r
96 * @brief Read the Interrupt Program Status Register (IPSR) value in the given
\r
99 #define secureportREAD_IPSR( ulIPSR ) \
\r
100 __asm volatile ( "mrs %0, ipsr" : "=r" ( ulIPSR ) )
\r
103 * @brief PRIMASK value to enable interrupts.
\r
105 #define secureportPRIMASK_ENABLE_INTERRUPTS_VAL 0
\r
108 * @brief PRIMASK value to disable interrupts.
\r
110 #define secureportPRIMASK_DISABLE_INTERRUPTS_VAL 1
\r
113 * @brief Disable secure interrupts.
\r
115 #define secureportDISABLE_SECURE_INTERRUPTS() secureportSET_SECURE_PRIMASK( secureportPRIMASK_DISABLE_INTERRUPTS_VAL )
\r
118 * @brief Disable non-secure interrupts.
\r
120 * This effectively disables context switches.
\r
122 #define secureportDISABLE_NON_SECURE_INTERRUPTS() secureportSET_NON_SECURE_PRIMASK( secureportPRIMASK_DISABLE_INTERRUPTS_VAL )
\r
125 * @brief Enable non-secure interrupts.
\r
127 #define secureportENABLE_NON_SECURE_INTERRUPTS() secureportSET_NON_SECURE_PRIMASK( secureportPRIMASK_ENABLE_INTERRUPTS_VAL )
\r
130 * @brief Assert definition.
\r
132 #define secureportASSERT( x ) \
\r
135 secureportDISABLE_SECURE_INTERRUPTS(); \
\r
136 secureportDISABLE_NON_SECURE_INTERRUPTS(); \
\r
140 #endif /* __SECURE_PORT_MACROS_H__ */
\r