61 lines
1.0 KiB
C
61 lines
1.0 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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#include "tst_test.h"
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#include "lapi/syscalls.h"
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#if __NR_cacheflush != __LTP__NR_INVALID_SYSCALL
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#include <asm/cachectl.h>
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/*
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* m68k does not have these constants
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*/
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#ifndef ICACHE
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# define ICACHE (1<<0)
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#endif
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#ifndef DCACHE
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# define DCACHE (1<<1)
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#endif
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#ifndef BCACHE
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# define BCACHE (ICACHE|DCACHE)
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#endif
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#define CACHE_DESC(x) .cache = x, .desc = #x
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static struct test_case_t {
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int cache;
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const char *desc;
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} test_cases[] = {
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{ CACHE_DESC(ICACHE) },
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{ CACHE_DESC(DCACHE) },
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{ CACHE_DESC(BCACHE) },
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};
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static char *addr;
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static void setup(void)
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{
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addr = SAFE_MALLOC(getpagesize());
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}
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static void test_cacheflush(unsigned int i)
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{
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struct test_case_t *tc = &test_cases[i];
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TST_EXP_PASS(tst_syscall(__NR_cacheflush, addr, getpagesize(), tc->cache),
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"%s", tc->desc);
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}
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static struct tst_test test = {
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.setup = setup,
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.test = test_cacheflush,
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.tcnt = ARRAY_SIZE(test_cases),
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};
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#else
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TST_TEST_TCONF("system doesn't support cacheflush()");
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#endif
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