X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=app%2Ftest%2Ftest_common.c;h=12bd1cad900d7aa3dcadebb6198f6fa7a1565214;hb=1fa5d0099efce6a0cac877cccf9eff3a822c7a55;hp=36feedcc55c95592fea2d0cc4db07100ae4d6ed7;hpb=e9d48c0072d36eb6423b45fba4ec49d0def6c36f;p=dpdk.git diff --git a/app/test/test_common.c b/app/test/test_common.c index 36feedcc55..12bd1cad90 100644 --- a/app/test/test_common.c +++ b/app/test/test_common.c @@ -1,42 +1,14 @@ -/*- - * 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. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2014 Intel Corporation */ #include +#include #include +#include #include #include - -#include +#include #include "test.h" @@ -61,9 +33,9 @@ test_macros(int __rte_unused unused_parm) RTE_SET_USED(unused); - if (RTE_PTR_ADD(SMALLER, PTR_DIFF) != BIGGER) + if ((uintptr_t)RTE_PTR_ADD(SMALLER, PTR_DIFF) != BIGGER) FAIL_MACRO(RTE_PTR_ADD); - if (RTE_PTR_SUB(BIGGER, PTR_DIFF) != SMALLER) + 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); @@ -78,15 +50,51 @@ test_macros(int __rte_unused unused_parm) return 0; } +static int +test_bsf(void) +{ + uint32_t shift, pos; + + /* safe versions should be able to handle 0 */ + if (rte_bsf32_safe(0, &pos) != 0) + FAIL("rte_bsf32_safe"); + if (rte_bsf64_safe(0, &pos) != 0) + FAIL("rte_bsf64_safe"); + + for (shift = 0; shift < 63; shift++) { + uint32_t val32; + uint64_t val64; + + val64 = 1ULL << shift; + if ((uint32_t)rte_bsf64(val64) != shift) + FAIL("rte_bsf64"); + if (rte_bsf64_safe(val64, &pos) != 1) + FAIL("rte_bsf64_safe"); + if (pos != shift) + FAIL("rte_bsf64_safe"); + + if (shift > 31) + continue; + + val32 = 1U << shift; + if ((uint32_t)rte_bsf32(val32) != shift) + FAIL("rte_bsf32"); + if (rte_bsf32_safe(val32, &pos) != 1) + FAIL("rte_bsf32_safe"); + if (pos != shift) + FAIL("rte_bsf32_safe"); + } + + return 0; +} + static int test_misc(void) { char memdump[] = "memdump_test"; - if (rte_bsf32(129)) - FAIL("rte_bsf32"); - rte_memdump("test", memdump, sizeof(memdump)); - rte_hexdump("test", memdump, sizeof(memdump)); + rte_memdump(stdout, "test", memdump, sizeof(memdump)); + rte_hexdump(stdout, "test", memdump, sizeof(memdump)); rte_pause(); @@ -99,6 +107,9 @@ test_align(void) #define FAIL_ALIGN(x, i, p)\ {printf(x "() test failed: %u %u\n", i, p);\ return -1;} +#define FAIL_ALIGN64(x, j, q)\ + {printf(x "() test failed: %"PRIu64" %"PRIu64"\n", j, q);\ + return -1; } #define ERROR_FLOOR(res, i, pow) \ (res % pow) || /* check if not aligned */ \ ((res / pow) != (i / pow)) /* check if correct alignment */ @@ -109,6 +120,7 @@ test_align(void) val / pow != (i / pow) + 1) /* if not aligned, hence +1 */ uint32_t i, p, val; + uint64_t j, q; for (i = 1, p = 1; i <= MAX_NUM; i ++) { if (rte_align32pow2(i) != p) @@ -117,6 +129,27 @@ test_align(void) p <<= 1; } + for (i = 1, p = 1; i <= MAX_NUM; i++) { + if (rte_align32prevpow2(i) != p) + FAIL_ALIGN("rte_align32prevpow2", i, p); + if (rte_is_power_of_2(i + 1)) + p = i + 1; + } + + for (j = 1, q = 1; j <= MAX_NUM ; j++) { + if (rte_align64pow2(j) != q) + FAIL_ALIGN64("rte_align64pow2", j, q); + if (j == q) + q <<= 1; + } + + for (j = 1, q = 1; j <= MAX_NUM ; j++) { + if (rte_align64prevpow2(j) != q) + FAIL_ALIGN64("rte_align64prevpow2", j, q); + if (rte_is_power_of_2(j + 1)) + q = j + 1; + } + for (p = 2; p <= MAX_NUM; p <<= 1) { if (!rte_is_power_of_2(p)) @@ -124,8 +157,8 @@ test_align(void) for (i = 1; i <= MAX_NUM; i++) { /* align floor */ - if (rte_align_floor_int((uintptr_t)i, p) % p) - FAIL_ALIGN("rte_align_floor_int", i, p); + 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)) @@ -157,16 +190,138 @@ test_align(void) FAIL("rte_is_aligned"); } } + + for (p = 1; p <= MAX_NUM / 2; p++) { + for (i = 1; i <= MAX_NUM / 2; i++) { + val = RTE_ALIGN_MUL_CEIL(i, p); + if (val % p != 0 || val < i) + FAIL_ALIGN("RTE_ALIGN_MUL_CEIL", i, p); + val = RTE_ALIGN_MUL_FLOOR(i, p); + if (val % p != 0 || val > i) + FAIL_ALIGN("RTE_ALIGN_MUL_FLOOR", i, p); + val = RTE_ALIGN_MUL_NEAR(i, p); + if (val % p != 0 || ((val != RTE_ALIGN_MUL_CEIL(i, p)) + & (val != RTE_ALIGN_MUL_FLOOR(i, p)))) + FAIL_ALIGN("RTE_ALIGN_MUL_NEAR", i, p); + } + } + return 0; } -int +static int +test_log2(void) +{ + uint32_t i, base, compare; + const uint32_t max = 0x10000; + const uint32_t step = 1; + + compare = rte_log2_u32(0); + if (compare != 0) { + printf("Wrong rte_log2_u32(0) val %x, expected 0\n", compare); + return TEST_FAILED; + } + + compare = rte_log2_u64(0); + if (compare != 0) { + printf("Wrong rte_log2_u64(0) val %x, expected 0\n", compare); + return TEST_FAILED; + } + + for (i = 1; i < max; i = i + step) { + uint64_t i64; + + /* extend range for 64-bit */ + i64 = (uint64_t)i << 32; + base = (uint32_t)ceilf(log2(i64)); + compare = rte_log2_u64(i64); + if (base != compare) { + printf("Wrong rte_log2_u64(%" PRIx64 ") val %x, expected %x\n", + i64, compare, base); + return TEST_FAILED; + } + + base = (uint32_t)ceilf(log2((uint32_t)i)); + compare = rte_log2_u32((uint32_t)i); + if (base != compare) { + printf("Wrong rte_log2_u32(%x) val %x, expected %x\n", + i, compare, base); + return TEST_FAILED; + } + compare = rte_log2_u64((uint64_t)i); + if (base != compare) { + printf("Wrong rte_log2_u64(%x) val %x, expected %x\n", + i, compare, base); + return TEST_FAILED; + } + } + return 0; +} + +static int +test_fls(void) +{ + struct fls_test_vector { + uint32_t arg; + int rc; + }; + int expected, rc; + uint32_t i, arg; + + const struct fls_test_vector test[] = { + {0x0, 0}, + {0x1, 1}, + {0x4000, 15}, + {0x80000000, 32}, + }; + + for (i = 0; i < RTE_DIM(test); i++) { + uint64_t arg64; + + arg = test[i].arg; + rc = rte_fls_u32(arg); + expected = test[i].rc; + if (rc != expected) { + printf("Wrong rte_fls_u32(0x%x) rc=%d, expected=%d\n", + arg, rc, expected); + return TEST_FAILED; + } + /* 64-bit version */ + arg = test[i].arg; + rc = rte_fls_u64(arg); + expected = test[i].rc; + if (rc != expected) { + printf("Wrong rte_fls_u64(0x%x) rc=%d, expected=%d\n", + arg, rc, expected); + return TEST_FAILED; + } + /* 64-bit version shifted by 32 bits */ + arg64 = (uint64_t)test[i].arg << 32; + rc = rte_fls_u64(arg64); + /* don't shift zero */ + expected = test[i].rc == 0 ? 0 : test[i].rc + 32; + if (rc != expected) { + printf("Wrong rte_fls_u64(0x%" PRIx64 ") rc=%d, expected=%d\n", + arg64, rc, expected); + return TEST_FAILED; + } + } + + return 0; +} + +static int test_common(void) { int ret = 0; ret |= test_align(); ret |= test_macros(0); ret |= test_misc(); + ret |= test_bsf(); + ret |= test_log2(); + ret |= test_fls(); return ret; } + +REGISTER_TEST_COMMAND(common_autotest, test_common);