/* $NetBSD: integer-expressions.c,v 1.1.1.2 2017/06/08 15:59:27 skrll Exp $ */ /* * Testcase for dtc expression support * * Copyright (C) 2008 David Gibson, IBM Corporation. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License * as published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include "tests.h" #include "testdata.h" static struct test_expr { const char *expr; uint32_t result; } expr_table[] = { #define TE(expr) { #expr, (expr) } TE(0xdeadbeef), TE(-0x21524111), TE(1+1), TE(2*3), TE(4/2), TE(10/3), TE(19%4), TE(1 << 13), TE(0x1000 >> 4), TE(3*2+1), TE(3*(2+1)), TE(1+2*3), TE((1+2)*3), TE(1 < 2), TE(2 < 1), TE(1 < 1), TE(1 <= 2), TE(2 <= 1), TE(1 <= 1), TE(1 > 2), TE(2 > 1), TE(1 > 1), TE(1 >= 2), TE(2 >= 1), TE(1 >= 1), TE(1 == 1), TE(1 == 2), TE(1 != 1), TE(1 != 2), TE(0xabcdabcd & 0xffff0000), TE(0xdead4110 ^ 0xf0f0f0f0), TE(0xabcd0000 | 0x0000abcd), TE(~0x21524110), TE(~~0xdeadbeef), TE(0 && 0), TE(17 && 0), TE(0 && 17), TE(17 && 17), TE(0 || 0), TE(17 || 0), TE(0 || 17), TE(17 || 17), TE(!0), TE(!1), TE(!17), TE(!!0), TE(!!17), TE(0 ? 17 : 39), TE(1 ? 17 : 39), TE(17 ? 0xdeadbeef : 0xabcd1234), TE(11 * 257 * 1321517ULL), TE(123456790 - 4/2 + 17%4), }; #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) int main(int argc, char *argv[]) { void *fdt; const fdt32_t *res; int reslen; int i; test_init(argc, argv); if ((argc == 3) && (strcmp(argv[1], "-g") == 0)) { FILE *f = fopen(argv[2], "w"); if (!f) FAIL("Couldn't open \"%s\" for output: %s\n", argv[2], strerror(errno)); fprintf(f, "/dts-v1/;\n"); fprintf(f, "/ {\n"); fprintf(f, "\texpressions = <\n"); for (i = 0; i < ARRAY_SIZE(expr_table); i++) fprintf(f, "\t\t(%s)\n", expr_table[i].expr); fprintf(f, "\t>;\n"); fprintf(f, "};\n"); fclose(f); } else { fdt = load_blob_arg(argc, argv); res = fdt_getprop(fdt, 0, "expressions", &reslen); if (!res) FAIL("Error retreiving expression results: %s\n", fdt_strerror(reslen)); if (reslen != (ARRAY_SIZE(expr_table) * sizeof(uint32_t))) FAIL("Unexpected length of results %d instead of %zd\n", reslen, ARRAY_SIZE(expr_table) * sizeof(uint32_t)); for (i = 0; i < ARRAY_SIZE(expr_table); i++) if (fdt32_to_cpu(res[i]) != expr_table[i].result) FAIL("Incorrect result for expression \"%s\"," " 0x%x instead of 0x%x\n", expr_table[i].expr, fdt32_to_cpu(res[i]), expr_table[i].result); } PASS(); }