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158 lines
7.5 KiB
158 lines
7.5 KiB
/******************************************************************************/
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/* Copyright (c) Maxin John <maxin.john@gmail.com>, 2009 */
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/* LKML Reference: http://lkml.org/lkml/2009/4/9/203 */
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/* This program is free software; you can redistribute it and/or modify */
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/* it under the terms of the GNU General Public License as published by */
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/* the Free Software Foundation; either version 2 of the License, or */
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/* (at your option) any later version. */
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/* */
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/* This program is distributed in the hope that it will be useful, */
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/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
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/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See */
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/* the GNU General Public License for more details. */
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/* */
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/* You should have received a copy of the GNU General Public License */
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/* along with this program; if not, write to the Free Software */
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/* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */
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/* */
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/******************************************************************************/
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/******************************************************************************/
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/* */
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/* File: cacheflush01.c */
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/* */
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/* Description: The cacheflush_check() syscall */
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/* Tests EINVAL error of cacheflush system call. */
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/* Its expected behaviour is cacheflush() should return -EINVAL */
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/* when cache parameter is not one of ICACHE, DCACHE, or BCACHE. */
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/* */
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/* Usage: <for command-line> */
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/* cacheflush01 [-c n] [-e][-i n] [-I x] [-p x] [-t] */
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/* where, -c n : Run n copies concurrently. */
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/* -e : Turn on errno logging. */
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/* -i n : Execute test n times. */
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/* -I x : Execute test for x seconds. */
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/* -P x : Pause for x seconds between iterations. */
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/* -t : Turn on syscall timing. */
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/* */
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/* Total Tests: 1 */
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/* */
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/* Test Name: cacheflush01 */
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/******************************************************************************/
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#include <unistd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include "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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#else
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#ifndef ICACHE
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#define ICACHE (1<<0) /* flush instruction cache */
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#endif
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#ifndef DCACHE
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#define DCACHE (1<<1) /* writeback and flush data cache */
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#endif
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#ifndef BCACHE
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#define BCACHE (ICACHE|DCACHE) /* flush both caches */
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#endif
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#endif
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char *TCID = "cacheflush01";
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int TST_TOTAL = 1;
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/* Extern Global Functions */
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/******************************************************************************/
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/* */
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/* Function: cleanup */
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/* */
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/* Description: Performs all one time clean up for this test on successful */
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/* completion, premature exit or failure. Closes all temporary */
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/* files, removes all temporary directories exits the test with */
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/* appropriate return code by calling tst_exit() function. */
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/* */
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/* Input: None. */
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/* */
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/* Output: None. */
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/* */
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/* Return: On failure - Exits calling tst_exit(). Non '0' return code. */
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/* On success - Exits calling tst_exit(). With '0' return code. */
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/* */
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/******************************************************************************/
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void cleanup(void)
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{
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tst_rmdir();
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}
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/* Local Functions */
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/******************************************************************************/
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/* */
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/* Function: setup */
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/* */
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/* Description: Performs all one time setup for this test. This function is */
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/* typically used to capture signals, create temporary dirs */
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/* and temporary files that may be used in the course of this */
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/* test. */
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/* */
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/* Input: None. */
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/* */
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/* Output: None. */
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/* */
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/* Return: On failure - Exits by calling cleanup(). */
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/* On success - returns 0. */
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/* */
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/******************************************************************************/
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void setup(void)
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{
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/* Capture signals if any */
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/* Create temporary directories */
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TEST_PAUSE;
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tst_tmpdir();
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}
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int main(int ac, char **av)
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{
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char *addr = NULL;
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tst_parse_opts(ac, av, NULL, NULL);
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setup();
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tst_count = 0;
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/* Create some user address range */
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addr = malloc(getpagesize());
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if (addr == NULL) {
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tst_brkm(TFAIL | TTERRNO, cleanup, "malloc failed");
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}
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/* Invokes cacheflush() with proper parameters */
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TEST(ltp_syscall(__NR_cacheflush, addr, getpagesize(), ICACHE));
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if (TEST_RETURN == 0) {
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tst_resm(TPASS, "passed with no errno");
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} else {
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tst_resm(TFAIL, "failed with unexpected errno");
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}
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TEST(ltp_syscall(__NR_cacheflush, addr, getpagesize(), DCACHE));
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if (TEST_RETURN == 0) {
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tst_resm(TPASS, "passed with no errno");
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} else {
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tst_resm(TFAIL, "failed with unexpected errno");
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}
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TEST(ltp_syscall(__NR_cacheflush, addr, getpagesize(), BCACHE));
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if (TEST_RETURN == 0) {
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tst_resm(TPASS, "passed with no errno");
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} else {
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tst_resm(TFAIL, "failed with unexpected errno");
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}
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cleanup();
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tst_exit();
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}
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