1// SPDX-License-Identifier: GPL-2.0
2#include <linux/kobject.h>
3#include <linux/string.h>
4#include <boot_param.h>
5
6static ssize_t boardinfo_show(struct kobject *kobj,
7 struct kobj_attribute *attr, char *buf)
8{
9 char board_manufacturer[64];
10 char *tmp_board_manufacturer = board_manufacturer;
11 char bios_vendor[64];
12 char *tmp_bios_vendor = bios_vendor;
13
14 strscpy_pad(board_manufacturer, eboard->name);
15 strscpy_pad(bios_vendor, einter->description);
16
17 return sprintf(buf,
18 "Board Info\n"
19 "Manufacturer\t\t: %s\n"
20 "Board Name\t\t: %s\n"
21 "Family\t\t\t: LOONGSON3\n\n"
22 "BIOS Info\n"
23 "Vendor\t\t\t: %s\n"
24 "Version\t\t\t: %s\n"
25 "Release Date\t\t: %s\n",
26 strsep(&tmp_board_manufacturer, "-"),
27 eboard->name,
28 strsep(&tmp_bios_vendor, "-"),
29 einter->description,
30 especial->special_name);
31}
32static struct kobj_attribute boardinfo_attr = __ATTR(boardinfo, 0444,
33 boardinfo_show, NULL);
34
35static int __init boardinfo_init(void)
36{
37 struct kobject *lefi_kobj;
38
39 lefi_kobj = kobject_create_and_add(name: "lefi", parent: firmware_kobj);
40 if (!lefi_kobj) {
41 pr_err("lefi: Firmware registration failed.\n");
42 return -ENOMEM;
43 }
44
45 return sysfs_create_file(kobj: lefi_kobj, attr: &boardinfo_attr.attr);
46}
47late_initcall(boardinfo_init);
48

source code of linux/arch/mips/loongson64/boardinfo.c