boardinfo.c 1.3 KB

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