2 * FreeRTOS Kernel <DEVELOPMENT BRANCH>
3 * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
5 * SPDX-License-Identifier: MIT
7 * Permission is hereby granted, free of charge, to any person obtaining a copy of
8 * this software and associated documentation files (the "Software"), to deal in
9 * the Software without restriction, including without limitation the rights to
10 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
11 * the Software, and to permit persons to whom the Software is furnished to do so,
12 * subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included in all
15 * copies or substantial portions of the Software.
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18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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24 * https://www.FreeRTOS.org
25 * https://github.com/FreeRTOS
32 portSAVE_CONTEXT macro
35 IMPORT usCriticalNesting
37 /* Save the remaining registers. */
50 mov.w &usCriticalNesting, r14
52 mov.w &pxCurrentTCB, r12
55 /*-----------------------------------------------------------*/
57 portRESTORE_CONTEXT macro
58 mov.w &pxCurrentTCB, r12
61 mov.w r15, &usCriticalNesting
75 /* The last thing on the stack will be the status register.
76 * Ensure the power down bits are clear ready for the next
77 * time this power down register is popped from the stack. */
82 /*-----------------------------------------------------------*/
84 #endif /* ifndef PORTASM_H */