--- /dev/null
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <rte_common.h>
+#include <rte_hexdump.h>
+
+#include "test.h"
+
+#define MAX_NUM 1 << 20
+
+#define FAIL(x)\
+ {printf(x "() test failed!\n");\
+ return -1;}
+
+/* this is really a sanity check */
+static int
+test_macros(int __rte_unused unused_parm)
+{
+#define SMALLER 0x1000U
+#define BIGGER 0x2000U
+#define PTR_DIFF BIGGER - SMALLER
+#define FAIL_MACRO(x)\
+ {printf(#x "() test failed!\n");\
+ return -1;}
+
+ uintptr_t unused = 0;
+
+ RTE_SET_USED(unused);
+
+ if ((uintptr_t)RTE_PTR_ADD(SMALLER, PTR_DIFF) != BIGGER)
+ FAIL_MACRO(RTE_PTR_ADD);
+ if ((uintptr_t)RTE_PTR_SUB(BIGGER, PTR_DIFF) != SMALLER)
+ FAIL_MACRO(RTE_PTR_SUB);
+ if (RTE_PTR_DIFF(BIGGER, SMALLER) != PTR_DIFF)
+ FAIL_MACRO(RTE_PTR_DIFF);
+ if (RTE_MAX(SMALLER, BIGGER) != BIGGER)
+ FAIL_MACRO(RTE_MAX);
+ if (RTE_MIN(SMALLER, BIGGER) != SMALLER)
+ FAIL_MACRO(RTE_MIN);
+
+ if (strncmp(RTE_STR(test), "test", sizeof("test")))
+ FAIL_MACRO(RTE_STR);
+
+ return 0;
+}
+
+static int
+test_misc(void)
+{
+ char memdump[] = "memdump_test";
+ if (rte_bsf32(129))
+ FAIL("rte_bsf32");
+
+ rte_memdump(stdout, "test", memdump, sizeof(memdump));
+ rte_hexdump(stdout, "test", memdump, sizeof(memdump));
+
+ rte_pause();
+
+ return 0;
+}
+
+static int
+test_align(void)
+{
+#define FAIL_ALIGN(x, i, p)\
+ {printf(x "() test failed: %u %u\n", i, p);\
+ return -1;}
+#define ERROR_FLOOR(res, i, pow) \
+ (res % pow) || /* check if not aligned */ \
+ ((res / pow) != (i / pow)) /* check if correct alignment */
+#define ERROR_CEIL(res, i, pow) \
+ (res % pow) || /* check if not aligned */ \
+ ((i % pow) == 0 ? /* check if ceiling is invoked */ \
+ val / pow != i / pow : /* if aligned */ \
+ val / pow != (i / pow) + 1) /* if not aligned, hence +1 */
+
+ uint32_t i, p, val;
+
+ for (i = 1, p = 1; i <= MAX_NUM; i ++) {
+ if (rte_align32pow2(i) != p)
+ FAIL_ALIGN("rte_align32pow2", i, p);
+ if (i == p)
+ p <<= 1;
+ }
+
+ for (p = 2; p <= MAX_NUM; p <<= 1) {
+
+ if (!rte_is_power_of_2(p))
+ FAIL("rte_is_power_of_2");
+
+ for (i = 1; i <= MAX_NUM; i++) {
+ /* align floor */
+ if (RTE_ALIGN_FLOOR((uintptr_t)i, p) % p)
+ FAIL_ALIGN("RTE_ALIGN_FLOOR", i, p);
+
+ val = RTE_PTR_ALIGN_FLOOR((uintptr_t) i, p);
+ if (ERROR_FLOOR(val, i, p))
+ FAIL_ALIGN("RTE_PTR_ALIGN_FLOOR", i, p);
+
+ val = RTE_ALIGN_FLOOR(i, p);
+ if (ERROR_FLOOR(val, i, p))
+ FAIL_ALIGN("RTE_ALIGN_FLOOR", i, p);
+
+ /* align ceiling */
+ val = RTE_PTR_ALIGN((uintptr_t) i, p);
+ if (ERROR_CEIL(val, i, p))
+ FAIL_ALIGN("RTE_PTR_ALIGN", i, p);
+
+ val = RTE_ALIGN(i, p);
+ if (ERROR_CEIL(val, i, p))
+ FAIL_ALIGN("RTE_ALIGN", i, p);
+
+ val = RTE_ALIGN_CEIL(i, p);
+ if (ERROR_CEIL(val, i, p))
+ FAIL_ALIGN("RTE_ALIGN_CEIL", i, p);
+
+ val = RTE_PTR_ALIGN_CEIL((uintptr_t)i, p);
+ if (ERROR_CEIL(val, i, p))
+ FAIL_ALIGN("RTE_PTR_ALIGN_CEIL", i, p);
+
+ /* by this point we know that val is aligned to p */
+ if (!rte_is_aligned((void*)(uintptr_t) val, p))
+ FAIL("rte_is_aligned");
+ }
+ }
+ return 0;
+}
+
+static int
+test_common(void)
+{
+ int ret = 0;
+ ret |= test_align();
+ ret |= test_macros(0);
+ ret |= test_misc();
+
+ return ret;
+}
+
+static struct test_command common_cmd = {
+ .command = "common_autotest",
+ .callback = test_common,
+};
+REGISTER_TEST_COMMAND(common_cmd);
Code Review / deb_dpdk.git / blobdiff