2 * Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, see <http://www.gnu.org/licenses/>.
21 * Make sure that two stores in the same packet honor proper
22 * semantics: slot 1 executes first, then slot 0.
23 * This is important when the addresses overlap.
25 static inline void dual_stores(int *p
, char *q
, int x
, char y
)
31 :: "r"(p
), "r"(q
), "r"(x
), "r"(y
)
42 static void check(Dual d
, int expect
)
44 if (d
.word
!= expect
) {
45 printf("ERROR: 0x%08x != 0x%08x\n", d
.word
, expect
);
55 dual_stores(&d
.word
, &d
.byte
, 0x12345678, 0xff);
58 puts(err
? "FAIL" : "PASS");