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/*
* Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Hyra nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/dmi.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdio.h>
/*
* The kernel fills DMI structures to zero,
* if any of the fields are unset then p[0]
* will have a null terminator which tells
* us we should ignore it.
*/
static void
dmi_printfield(const char *name, const char *p)
{
if (p[0] == '\0') {
return;
}
printf("%s: %s\n", name, p);
}
static void
dmi_dump_board(void)
{
struct dmi_board board;
int fd;
fd = open("/ctl/dmi/board", O_RDONLY);
if (fd < 0) {
printf("failed to open board control\n");
return;
}
read(fd, &board, sizeof(board));
printf("** BOARD INFO **\n");
dmi_printfield("CPU version", board.cpu_version);
dmi_printfield("CPU OEM", board.cpu_manuf);
dmi_printfield("product", board.product);
dmi_printfield("vendor", board.vendor);
dmi_printfield("version", board.version);
close(fd);
}
int
main(int argc, char **argv)
{
dmi_dump_board();
return 0;
}
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