Quelle  boardinfo.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0
#include <linux/kobject.h>
#include <boot_param.h>

static ssize_t boardinfo_show(struct kobject *kobj,
         struct kobj_attribute *attr, char *buf)
{
 char board_manufacturer[64] = {0};
 char *tmp_board_manufacturer = board_manufacturer;
 char bios_vendor[64] = {0};
 char *tmp_bios_vendor = bios_vendor;

 strcpy(board_manufacturer, eboard->name);
 strcpy(bios_vendor, einter->description);

 return sprintf(buf,
         "Board Info\n"
         "Manufacturer\t\t: %s\n"
         "Board Name\t\t: %s\n"
         "Family\t\t\t: LOONGSON3\n\n"
         "BIOS Info\n"
         "Vendor\t\t\t: %s\n"
         "Version\t\t\t: %s\n"
         "Release Date\t\t: %s\n",
         strsep(&tmp_board_manufacturer, "-"),
         eboard->name,
         strsep(&tmp_bios_vendor, "-"),
         einter->description,
         especial->special_name);
}
static struct kobj_attribute boardinfo_attr = __ATTR(boardinfo, 0444,
           boardinfo_show, NULL);

static int __init boardinfo_init(void)
{
 struct kobject *lefi_kobj;

 lefi_kobj = kobject_create_and_add("lefi", firmware_kobj);
 if (!lefi_kobj) {
  pr_err("lefi: Firmware registration failed.\n");
  return -ENOMEM;
 }

 return sysfs_create_file(lefi_kobj, &boardinfo_attr.attr);
}
late_initcall(boardinfo_init);