1 // SPDX-License-Identifier: GPL-2.0 2 #include <linux/kobject.h> 3 #include <linux/string.h> 4 #include <boot_param.h> 5 6 static 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 } 32 static struct kobj_attribute boardinfo_attr = __ATTR(boardinfo, 0444, 33 boardinfo_show, NULL); 34 35 static int __init boardinfo_init(void) 36 { 37 struct kobject *lefi_kobj; 38 39 lefi_kobj = kobject_create_and_add("lefi", firmware_kobj); 40 if (!lefi_kobj) { 41 pr_err("lefi: Firmware registration failed.\n"); 42 return -ENOMEM; 43 } 44 45 return sysfs_create_file(lefi_kobj, &boardinfo_attr.attr); 46 } 47 late_initcall(boardinfo_init); 48