/* * Copyright(c) 2019-2023 Qualcomm Innovation Center, Inc. All Rights Reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see . */ #include #include int err; #include "hex_test.h" /* * Make sure that two stores in the same packet honor proper * semantics: slot 1 executes first, then slot 0. * This is important when the addresses overlap. */ static inline void dual_stores(int32_t *p, int8_t *q, int32_t x, int8_t y) { asm volatile("{\n\t" " memw(%0) = %2\n\t" " memb(%1) = %3\n\t" "}\n" :: "r"(p), "r"(q), "r"(x), "r"(y) : "memory"); } typedef union { int32_t word; int8_t byte; } Dual; int main() { Dual d; d.word = ~0; dual_stores(&d.word, &d.byte, 0x12345678, 0xff); check32(d.word, 0x123456ff); puts(err ? "FAIL" : "PASS"); return err; }