c4ffc05574
Replace instances in tests of mostly LGPL-2.1 license boilerplate with SPDX tags. Signed-off-by: Rob Herring <robh@kernel.org> Message-Id: <20190620211944.9378-5-robh@kernel.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
115 lines
2.9 KiB
C
115 lines
2.9 KiB
C
// SPDX-License-Identifier: LGPL-2.1-or-later
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/*
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* libfdt - Flat Device Tree manipulation
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* Testcase for fdt_check_header
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* Copyright (C) 2018 David Gibson
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*/
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#include <stdio.h>
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#include <libfdt.h>
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#include "tests.h"
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static void *dtdup(void *dt)
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{
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size_t bufsize = fdt_totalsize(dt);
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void *buf = xmalloc(bufsize);
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fdt_move(dt, buf, bufsize);
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return buf;
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}
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#define CHECK_MANGLE(exerr, code) \
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do { \
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void *fdt = dtdup(template); \
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{ code } \
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err = fdt_check_header(fdt); \
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verbose_printf("\"%s\" => %s\n", #code, fdt_strerror(err)); \
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if (err != (exerr)) \
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FAIL("fdt_check_header() didn't catch mangle %s", \
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#code); \
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free(fdt); \
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} while (0)
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int main(int argc, char *argv[])
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{
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void *template;
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int err;
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test_init(argc, argv);
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template = load_blob(argv[1]);
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/* Check that the base dt is valid before mangling it */
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err = fdt_check_header(template);
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if (err != 0)
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FAIL("Base tree fails: %s", fdt_strerror(err));
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/* Check a no-op mangle doesn't break things */
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CHECK_MANGLE(0, ; );
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/* Mess up the magic number */
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CHECK_MANGLE(-FDT_ERR_BADMAGIC,
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fdt_set_magic(fdt, fdt_magic(fdt) ^ 0x1);
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);
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CHECK_MANGLE(-FDT_ERR_BADMAGIC,
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fdt_set_magic(fdt, fdt_magic(fdt) ^ 0x80000000);
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);
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/* Mess up the version */
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CHECK_MANGLE(-FDT_ERR_BADVERSION,
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fdt_set_version(fdt, FDT_FIRST_SUPPORTED_VERSION - 1);
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fdt_set_last_comp_version(fdt, FDT_FIRST_SUPPORTED_VERSION - 1);
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);
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CHECK_MANGLE(-FDT_ERR_BADVERSION,
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fdt_set_version(fdt, FDT_LAST_SUPPORTED_VERSION + 1);
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fdt_set_last_comp_version(fdt, FDT_LAST_SUPPORTED_VERSION + 1);
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);
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CHECK_MANGLE(-FDT_ERR_BADVERSION,
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fdt_set_version(fdt, FDT_FIRST_SUPPORTED_VERSION);
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fdt_set_last_comp_version(fdt, FDT_LAST_SUPPORTED_VERSION);
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);
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/* Out of bounds sizes */
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CHECK_MANGLE(-FDT_ERR_TRUNCATED,
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fdt_set_totalsize(fdt, FDT_V1_SIZE - 1);
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);
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CHECK_MANGLE(-FDT_ERR_TRUNCATED,
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fdt_set_totalsize(fdt, (uint32_t)INT_MAX + 1);
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);
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/* Truncate within various blocks */
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CHECK_MANGLE(-FDT_ERR_TRUNCATED,
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fdt_set_totalsize(fdt, fdt_off_dt_struct(fdt) - 1);
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);
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CHECK_MANGLE(-FDT_ERR_TRUNCATED,
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fdt_set_totalsize(fdt, fdt_off_dt_strings(fdt) - 1);
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);
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CHECK_MANGLE(-FDT_ERR_TRUNCATED,
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fdt_set_totalsize(fdt, fdt_off_mem_rsvmap(fdt) - 1);
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);
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CHECK_MANGLE(-FDT_ERR_TRUNCATED,
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fdt_set_totalsize(fdt, fdt_off_dt_struct(fdt) + 1);
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);
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CHECK_MANGLE(-FDT_ERR_TRUNCATED,
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fdt_set_totalsize(fdt, fdt_off_dt_strings(fdt) + 1);
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);
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CHECK_MANGLE(-FDT_ERR_TRUNCATED,
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fdt_set_totalsize(fdt, fdt_off_mem_rsvmap(fdt) + 1);
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);
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/* Negative block sizes */
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CHECK_MANGLE(-FDT_ERR_TRUNCATED,
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fdt_set_size_dt_struct(fdt, (uint32_t)-1);
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);
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CHECK_MANGLE(-FDT_ERR_TRUNCATED,
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fdt_set_size_dt_strings(fdt, (uint32_t)-1);
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);
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CHECK_MANGLE(-FDT_ERR_TRUNCATED,
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fdt_set_size_dt_struct(fdt, (uint32_t)INT_MIN);
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);
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CHECK_MANGLE(-FDT_ERR_TRUNCATED,
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fdt_set_size_dt_strings(fdt, (uint32_t)INT_MIN);
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);
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PASS();
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}
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