1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 3 #include <bootmode.h> 4 #include <console/console.h> 5 #include "fw_cfg.h" 6 7 /* 8 * Enable recovery mode with fw_cfg option to qemu: 9 * -fw_cfg name=opt/cros/recovery,string=1 10 */ get_recovery_mode_switch(void)11int get_recovery_mode_switch(void) 12 { 13 FWCfgFile f; 14 15 if (!fw_cfg_check_file(&f, "opt/cros/recovery")) { 16 uint8_t rec_mode; 17 if (f.size != 1) { 18 printk(BIOS_ERR, "opt/cros/recovery invalid size %d\n", f.size); 19 return 0; 20 } 21 fw_cfg_get(f.select, &rec_mode, f.size); 22 if (rec_mode == '1') { 23 printk(BIOS_INFO, "Recovery is enabled.\n"); 24 return 1; 25 } 26 } 27 28 return 0; 29 } 30