| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| #ifndef H_HAL_SYSTEM_ |
| #define H_HAL_SYSTEM_ |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* |
| * System reset. |
| */ |
| void hal_system_reset(void) __attribute((noreturn)); |
| |
| /* |
| * Called by bootloader to start loaded program. |
| */ |
| void hal_system_start(void *img_start) __attribute((noreturn)); |
| |
| /* |
| * Called by split app loader to start the app program. |
| */ |
| void hal_system_restart(void *img_start) __attribute((noreturn)); |
| |
| /* |
| * Returns non-zero if there is a HW debugger attached. |
| */ |
| int hal_debugger_connected(void); |
| |
| /* |
| * Reboot reason |
| */ |
| enum hal_reset_reason { |
| HAL_RESET_POR = 1, /* power on reset */ |
| HAL_RESET_PIN = 2, /* caused by reset pin */ |
| HAL_RESET_WATCHDOG = 3, /* watchdog */ |
| HAL_RESET_SOFT = 4, /* system_reset() or equiv */ |
| HAL_RESET_BROWNOUT = 5, /* low supply voltage */ |
| HAL_RESET_REQUESTED = 6, /* restart due to user request */ |
| }; |
| enum hal_reset_reason hal_reset_cause(void); |
| |
| /* Starts clocks needed by system */ |
| void hal_system_clock_start(void); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* H_HAL_SYSTEM_ */ |