1 /* 2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved. 3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this list of 9 * conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list 12 * of conditions and the following disclaimer in the documentation and/or other materials 13 * provided with the distribution. 14 * 15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used 16 * to endorse or promote products derived from this software without specific prior written 17 * permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _LOS_ARCH_CONTEXT_H 33 #define _LOS_ARCH_CONTEXT_H 34 35 #ifdef __cplusplus 36 #if __cplusplus 37 extern "C" { 38 #endif /* __cplusplus */ 39 #endif /* __cplusplus */ 40 41 #define SAVED_REG_NUM 8 42 #define SPILL_WINDOW_SIZE 8 43 44 typedef struct { 45 UINT32 pc; 46 UINT32 ps; 47 UINT32 regA[16]; 48 UINT32 sar; 49 UINT32 excCause; 50 UINT32 excVaddr; 51 UINT32 lbeg; 52 UINT32 lend; 53 UINT32 lcount; 54 #if (defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) 55 UINT32 temp; 56 UINT16 cpenable; 57 UINT16 cpstored; 58 UINT32 fcr; 59 UINT32 fsr; 60 UINT32 regF[16]; 61 #endif 62 UINT32 res[4]; 63 } TaskContext; 64 65 #ifdef __cplusplus 66 #if __cplusplus 67 } 68 #endif /* __cplusplus */ 69 #endif /* __cplusplus */ 70 71 #endif /* _LOS_ARCH_CONTEXT_H */ 72