1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef _CHRE_API_H_ 18 #define _CHRE_API_H_ 19 20 #include <stdarg.h> 21 #include <stdint.h> 22 23 /* if va_list is passed by value it must fit in 32-bit register */ 24 #if !defined(SYSCALL_PARAMS_PASSED_AS_PTRS) || !defined(SYSCALL_VARARGS_PARAMS_PASSED_AS_PTRS) 25 C_STATIC_ASSERT(va_list_size, sizeof(va_list) == sizeof(uint32_t)); 26 #endif 27 28 /* 29 * many syscalls rely on the property that uintptr_t can hold uint32_t without data loss 30 * This is enforced by static assertion below. 31 */ 32 C_STATIC_ASSERT(uintptr_size, sizeof(uintptr_t) >= sizeof(uint32_t)); 33 34 //EXTERNAL API 35 #define SYSCALL_CHRE_MAIN 0 36 #define SYSCALL_CHRE_LAST 1 37 38 #define SYSCALL_CHRE_MAIN_API 0 39 #define SYSCALL_CHRE_MAIN_LAST 1 40 41 #define SYSCALL_CHRE_MAIN_API_GET_APP_ID 0 // (void) -> uint64_t 42 #define SYSCALL_CHRE_MAIN_API_GET_INST_ID 1 // (void) -> uint32_t 43 #define SYSCALL_CHRE_MAIN_API_LOG 2 // (enum LogLevel, const char *, uintptr_t) -> void 44 #define SYSCALL_CHRE_MAIN_API_GET_TIME 3 // (void) -> uint64_t 45 #define SYSCALL_CHRE_MAIN_API_TIMER_SET 4 // (uint64_t, const void *, bool) -> uint32_t 46 #define SYSCALL_CHRE_MAIN_API_TIMER_CANCEL 5 // (uint32_t) -> bool 47 #define SYSCALL_CHRE_MAIN_API_ABORT 6 // (uint32_t) -> void 48 #define SYSCALL_CHRE_MAIN_API_HEAP_ALLOC 7 // (uint32_t) -> void * 49 #define SYSCALL_CHRE_MAIN_API_HEAP_FREE 8 // (void *) -> void 50 #define SYSCALL_CHRE_MAIN_API_SEND_EVENT 9 // (uint32_t, void *, chreEventCompleteFunction*, uint32_t) -> bool 51 #define SYSCALL_CHRE_MAIN_API_SEND_MSG 10 // (void *, uint32_t, uint32_t, chreMessageFreeFunction *) -> bool 52 #define SYSCALL_CHRE_MAIN_API_SENSOR_FIND_DEFAULT 11 // 53 #define SYSCALL_CHRE_MAIN_API_SENSOR_GET_INFO 12 // 54 #define SYSCALL_CHRE_MAIN_API_SENSOR_GET_STATUS 13 // 55 #define SYSCALL_CHRE_MAIN_API_SENSOR_CONFIG 14 // 56 #define SYSCALL_CHRE_MAIN_API_GET_OS_API_VERSION 15 // 57 #define SYSCALL_CHRE_MAIN_API_GET_OS_VERSION 16 // 58 #define SYSCALL_CHRE_MAIN_API_GET_PLATFORM_ID 17 // 59 #define SYSCALL_CHRE_MAIN_API_LAST 18 // always last. holes are allowed, but not immediately before this 60 61 //called by os entry point to export the api 62 void osChreApiExport(void); 63 // release CHRE event and optionally call completion callback 64 void osChreFreeEvent(uint32_t tid, void (*free_info)(uint16_t, void *), uint32_t evtType, void * evtData); 65 66 #endif 67