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117 lines
3.1 KiB
117 lines
3.1 KiB
13 years ago
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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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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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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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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 uint32_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 retreiving 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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