mirror of
https://github.com/dgibson/dtc.git
synced 2025-10-26 23:36:17 -04:00
7fcf8208b8
This function will append an address range property using parent node's "#address-cells" and "#size-cells" properties. It will be used in implementing kdump with kexec_file_load system call at linux kernel for arm64 once it is merged into kernel tree. Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org> Message-Id: <20190327061552.17170-2-takahiro.akashi@linaro.org> [dwg: Correct a SEGV error in the testcase] Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
108 lines
2.9 KiB
C
108 lines
2.9 KiB
C
/*
|
|
* libfdt - Flat Device Tree manipulation
|
|
* Testcase for fdt_appendprop_addrrange()
|
|
* Copyright (C) 2018 AKASHI Takahiro, Linaro Limited
|
|
*
|
|
* 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 <libfdt.h>
|
|
|
|
#include "tests.h"
|
|
#include "testdata.h"
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
void *fdt, *buf;
|
|
int offset, xac, xsc, num, i, err;
|
|
uint64_t addr, size;
|
|
|
|
if (argc != 5)
|
|
CONFIG("Usage: %s <dtb file> <address-cells> <size-cells> <num>\n",
|
|
argv[0]);
|
|
|
|
test_init(argc, argv);
|
|
fdt = load_blob(argv[1]);
|
|
xac = strtol(argv[2], NULL, 10);
|
|
xsc = strtol(argv[3], NULL, 10);
|
|
num = strtol(argv[4], NULL, 10);
|
|
|
|
buf = xmalloc(0x1000);
|
|
if (!buf)
|
|
FAIL("Couldn't allocate temporary buffer");
|
|
err = fdt_open_into(fdt, buf, 0x1000);
|
|
if (err)
|
|
FAIL("fdt_open_into(): %s", fdt_strerror(err));
|
|
|
|
fdt = buf;
|
|
|
|
/* Set up */
|
|
err = fdt_setprop_cell(fdt, 0, "#address-cells", xac);
|
|
if (err)
|
|
FAIL("fdt_setprop_cell(\"#address-cells\"): %s",
|
|
fdt_strerror(err));
|
|
err = fdt_setprop_cell(fdt, 0, "#size-cells", xsc);
|
|
if (err)
|
|
FAIL("fdt_setprop_cell(\"#size-cells\"): %s",
|
|
fdt_strerror(err));
|
|
|
|
offset = fdt_path_offset(fdt, "/node@1");
|
|
if (offset < 0)
|
|
FAIL("Couldn't find path %s", "/node@1");
|
|
|
|
addr = TEST_MEMREGION_ADDR;
|
|
if (xac > 1)
|
|
addr += TEST_MEMREGION_ADDR_HI;
|
|
size = TEST_MEMREGION_SIZE;
|
|
if (xsc > 1)
|
|
size += TEST_MEMREGION_SIZE_HI;
|
|
|
|
/*
|
|
* Do test
|
|
*/
|
|
/* 1. repeat append's */
|
|
for (i = 0; i < num; i++) {
|
|
err = fdt_appendprop_addrrange(fdt, 0, offset,
|
|
"prop-memregion", addr, size);
|
|
if (err)
|
|
FAIL("Failed to append[%d] \"prop-memregion\": %s",
|
|
i, fdt_strerror(err));
|
|
|
|
check_getprop_addrrange(fdt, 0, offset, "prop-memregion",
|
|
i + 1);
|
|
|
|
addr += size;
|
|
size += TEST_MEMREGION_SIZE_INC;
|
|
}
|
|
|
|
/* 2. default property name */
|
|
addr = TEST_MEMREGION_ADDR;
|
|
if (xac > 1)
|
|
addr += TEST_MEMREGION_ADDR_HI;
|
|
size = TEST_MEMREGION_SIZE;
|
|
if (xsc > 1)
|
|
size += TEST_MEMREGION_SIZE_HI;
|
|
|
|
err = fdt_appendprop_addrrange(fdt, 0, offset, "reg", addr, size);
|
|
if (err)
|
|
FAIL("Failed to set \"reg\": %s", fdt_strerror(err));
|
|
check_getprop_addrrange(fdt, 0, offset, "reg", 1);
|
|
|
|
PASS();
|
|
}
|