| /* |
| * 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 <stdlib.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <stdint.h> |
| #include <errno.h> |
| |
| |
| #include <libfdt.h> |
| |
| #include "tests.h" |
| #include "testdata.h" |
| |
| 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 uint32_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(); |
| } |