| // SPDX-License-Identifier: Apache-2.0 | |
| // ---------------------------------------------------------------------------- | |
| // Copyright 2024 Arm Limited | |
| // | |
| // Licensed 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. | |
| // ---------------------------------------------------------------------------- | |
| /** | |
| * @brief Application entry point second veneer. | |
| * | |
| * This module contains the second command line entry point veneer, used to | |
| * validate that Arm SVE vector width matches the tool build. When used, it is | |
| * compiled with SVE ISA support but without any vector legnth override, so it | |
| * will see the native SVE vector length exposed to the application. | |
| */ | |
| /** | |
| * @brief The main entry point. | |
| * | |
| * @param argc The number of arguments. | |
| * @param argv The vector of arguments. | |
| * | |
| * @return 0 on success, non-zero otherwise. | |
| */ | |
| int astcenc_main( | |
| int argc, | |
| char **argv); | |
| /** | |
| * @brief Print a formatted string to stderr. | |
| */ | |
| template<typename ... _Args> | |
| static inline void print_error( | |
| const char* format, | |
| _Args...args | |
| ) { | |
| fprintf(stderr, format, args...); | |
| } | |
| int astcenc_main_veneer( | |
| int argc, | |
| char **argv | |
| ) { | |
| // We don't need this check for 128-bit SVE, because that is compiled as | |
| // VLA code, using predicate masks in the augmented NEON. | |
| // svcntw() returns compile-time length if used with -msve-vector-bits | |
| if (svcntw() != ASTCENC_SVE) | |
| { | |
| int bits = ASTCENC_SVE * 32; | |
| print_error("ERROR: Host SVE support is not a %u-bit implementation\n", bits); | |
| return 1; | |
| } | |
| return astcenc_main(argc, argv); | |
| } | |