| Kyösti Mälkki | 085fdd8 | 2021-11-03 06:02:57 +0200 | [diff] [blame^] | 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 | */ |
| 11 | int 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 | } |