d877364e4a
Add a function to modify inplace only a portion of a property.. This is especially useful when the property is an array of values, and you want to update one of them without changing the DT size. Acked-by: Simon Glass <sjg@chromium.org> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> [dwg: Remove unnecessary unsigned qualifier, correct a comment] Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
97 lines
3 KiB
C
97 lines
3 KiB
C
/*
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* libfdt - Flat Device Tree manipulation
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* Testcase for fdt_setprop_inplace()
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* Copyright (C) 2006 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 <inttypes.h>
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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 <ctype.h>
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#include <stdint.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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int main(int argc, char *argv[])
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{
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void *fdt;
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const uint32_t *intp;
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const uint64_t *int64p;
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const char *strp;
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char *xstr;
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int xlen, i;
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int err;
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test_init(argc, argv);
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fdt = load_blob_arg(argc, argv);
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intp = check_getprop_cell(fdt, 0, "prop-int", TEST_VALUE_1);
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verbose_printf("Old int value was 0x%08x\n", *intp);
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err = fdt_setprop_inplace_cell(fdt, 0, "prop-int", ~TEST_VALUE_1);
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if (err)
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FAIL("Failed to set \"prop-int\" to 0x%08x: %s",
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~TEST_VALUE_1, fdt_strerror(err));
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intp = check_getprop_cell(fdt, 0, "prop-int", ~TEST_VALUE_1);
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verbose_printf("New int value is 0x%08x\n", *intp);
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strp = check_getprop(fdt, 0, "prop-str", strlen(TEST_STRING_1)+1,
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TEST_STRING_1);
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int64p = check_getprop_64(fdt, 0, "prop-int64", TEST_VALUE64_1);
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verbose_printf("Old int64 value was 0x%016" PRIx64 "\n", *int64p);
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err = fdt_setprop_inplace_u64(fdt, 0, "prop-int64", ~TEST_VALUE64_1);
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if (err)
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FAIL("Failed to set \"prop-int64\" to 0x%016llx: %s",
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~TEST_VALUE64_1, fdt_strerror(err));
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int64p = check_getprop_64(fdt, 0, "prop-int64", ~TEST_VALUE64_1);
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verbose_printf("New int64 value is 0x%016" PRIx64 "\n", *int64p);
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strp = check_getprop(fdt, 0, "prop-str", strlen(TEST_STRING_1)+1,
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TEST_STRING_1);
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verbose_printf("Old string value was \"%s\"\n", strp);
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xstr = strdup(strp);
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xlen = strlen(xstr);
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for (i = 0; i < xlen; i++)
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xstr[i] = toupper(xstr[i]);
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err = fdt_setprop_inplace(fdt, 0, "prop-str", xstr, xlen+1);
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if (err)
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FAIL("Failed to set \"prop-str\" to \"%s\": %s",
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xstr, fdt_strerror(err));
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strp = check_getprop(fdt, 0, "prop-str", xlen+1, xstr);
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verbose_printf("New string value is \"%s\"\n", strp);
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err = fdt_setprop_inplace_namelen_partial(fdt, 0, "compatible",
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strlen("compatible"), 4,
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TEST_STRING_4_PARTIAL,
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strlen(TEST_STRING_4_PARTIAL));
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if (err)
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FAIL("Failed to set \"compatible\": %s\n", fdt_strerror(err));
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check_getprop(fdt, 0, "compatible", strlen(TEST_STRING_4_RESULT) + 1,
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TEST_STRING_4_RESULT);
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PASS();
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}
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