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103 lines
2.4 KiB
103 lines
2.4 KiB
// SPDX-License-Identifier: LGPL-2.1-or-later |
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/* |
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* Testcase for dtc expression support |
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* |
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* Copyright (C) 2008 David Gibson, IBM Corporation. |
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*/ |
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include <stdint.h> |
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#include <errno.h> |
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#include <libfdt.h> |
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#include "tests.h" |
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#include "testdata.h" |
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static struct test_expr { |
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const char *expr; |
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uint32_t result; |
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} expr_table[] = { |
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#define TE(expr) { #expr, (expr) } |
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TE(0xdeadbeef), |
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TE(-0x21524111), |
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TE(1+1), |
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TE(2*3), |
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TE(4/2), |
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TE(10/3), |
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TE(19%4), |
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TE(1 << 13), |
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TE(0x1000 >> 4), |
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TE(3*2+1), TE(3*(2+1)), |
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TE(1+2*3), TE((1+2)*3), |
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TE(1 < 2), TE(2 < 1), TE(1 < 1), |
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TE(1 <= 2), TE(2 <= 1), TE(1 <= 1), |
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TE(1 > 2), TE(2 > 1), TE(1 > 1), |
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TE(1 >= 2), TE(2 >= 1), TE(1 >= 1), |
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TE(1 == 1), TE(1 == 2), |
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TE(1 != 1), TE(1 != 2), |
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TE(0xabcdabcd & 0xffff0000), |
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TE(0xdead4110 ^ 0xf0f0f0f0), |
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TE(0xabcd0000 | 0x0000abcd), |
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TE(~0x21524110), |
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TE(~~0xdeadbeef), |
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TE(0 && 0), TE(17 && 0), TE(0 && 17), TE(17 && 17), |
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TE(0 || 0), TE(17 || 0), TE(0 || 17), TE(17 || 17), |
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TE(!0), TE(!1), TE(!17), TE(!!0), TE(!!17), |
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TE(0 ? 17 : 39), TE(1 ? 17 : 39), TE(17 ? 0xdeadbeef : 0xabcd1234), |
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TE(11 * 257 * 1321517ULL), |
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TE(123456790 - 4/2 + 17%4), |
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}; |
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#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) |
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int main(int argc, char *argv[]) |
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{ |
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void *fdt; |
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const fdt32_t *res; |
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int reslen; |
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int i; |
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test_init(argc, argv); |
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if ((argc == 3) && (strcmp(argv[1], "-g") == 0)) { |
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FILE *f = fopen(argv[2], "w"); |
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if (!f) |
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FAIL("Couldn't open \"%s\" for output: %s\n", |
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argv[2], strerror(errno)); |
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fprintf(f, "/dts-v1/;\n"); |
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fprintf(f, "/ {\n"); |
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fprintf(f, "\texpressions = <\n"); |
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for (i = 0; i < ARRAY_SIZE(expr_table); i++) |
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fprintf(f, "\t\t(%s)\n", expr_table[i].expr); |
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fprintf(f, "\t>;\n"); |
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fprintf(f, "};\n"); |
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fclose(f); |
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} else { |
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fdt = load_blob_arg(argc, argv); |
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res = fdt_getprop(fdt, 0, "expressions", &reslen); |
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if (!res) |
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FAIL("Error retrieving expression results: %s\n", |
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fdt_strerror(reslen)); |
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if (reslen != (ARRAY_SIZE(expr_table) * sizeof(uint32_t))) |
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FAIL("Unexpected length of results %d instead of %zd\n", |
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reslen, ARRAY_SIZE(expr_table) * sizeof(uint32_t)); |
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for (i = 0; i < ARRAY_SIZE(expr_table); i++) |
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if (fdt32_to_cpu(res[i]) != expr_table[i].result) |
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FAIL("Incorrect result for expression \"%s\"," |
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" 0x%x instead of 0x%x\n", |
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expr_table[i].expr, fdt32_to_cpu(res[i]), |
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expr_table[i].result); |
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} |
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PASS(); |
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}
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