1 /* 2 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef _RISCV_HAL_H 17 #define _RISCV_HAL_H 18 19 #include "los_compiler.h" 20 #include "los_timer.h" 21 22 #ifdef __cplusplus 23 #if __cplusplus 24 extern "C" { 25 #endif 26 #endif 27 28 /* 29 * backtrace 30 */ 31 extern CHAR *__except_stack_top; 32 extern CHAR *__start_and_irq_stack_top; 33 extern CHAR *__text_start; 34 extern CHAR *__text_end; 35 extern CHAR *__bss_end; 36 37 extern VOID HalIrqDisable(UINT32 vector); 38 extern VOID HalIrqEnable(UINT32 vector); 39 extern VOID HalSetLocalInterPri(UINT32 vector, UINT16 prior); 40 41 extern VOID HalGetSysCpuCycle(UINT32 *cntHi, UINT32 *cntLo); 42 extern VOID HalPlicInit(VOID); 43 44 #ifdef __cplusplus 45 #if __cplusplus 46 } 47 #endif 48 #endif 49 50 #endif /* _RISCV_HAL_H */ 51