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_UTIL_ID_FROM_STRING_IMPL_H_ 18 #define CHRE_UTIL_ID_FROM_STRING_IMPL_H_ 19 20 #include "chre/util/id_from_string.h" 21 22 namespace chre { 23 createIdFromString(const char str[5])24constexpr uint64_t createIdFromString(const char str[5]) { 25 return (static_cast<uint64_t>(str[0]) << 56) 26 | (static_cast<uint64_t>(str[1]) << 48) 27 | (static_cast<uint64_t>(str[2]) << 40) 28 | (static_cast<uint64_t>(str[3]) << 32) 29 | (static_cast<uint64_t>(str[4]) << 24); 30 } 31 createPlatformIdFromVendorPlatform(uint64_t vendorId,uint32_t platformId)32constexpr uint64_t createPlatformIdFromVendorPlatform(uint64_t vendorId, 33 uint32_t platformId) { 34 // Ensure that only the vendor ID can occupy the top 5 bytes and the 35 // platform ID can only occupy the bottom 3 bytes. 36 return (vendorId & 0xffffffffff000000) | (platformId & 0xffffff); 37 } 38 39 } // namespace chre 40 41 #endif // CHRE_UTIL_ID_FROM_STRING_IMPL_H_ 42