| Uwe Hermann | 1b515cb | 2007-03-03 15:01:29 +0000 | [diff] [blame] | 1 | ------------------------------------------------------------------------------- |
| Uwe Hermann | d2a5a5a | 2009-04-18 14:18:20 +0000 | [diff] [blame] | 2 | coreboot POST Codes |
| Uwe Hermann | 1b515cb | 2007-03-03 15:01:29 +0000 | [diff] [blame] | 3 | ------------------------------------------------------------------------------- |
| 4 | |
| Uwe Hermann | 16db6c3 | 2010-09-23 18:48:27 +0000 | [diff] [blame] | 5 | This is an (incomplete) list of POST codes emitted by coreboot v4. |
| Uwe Hermann | 1b515cb | 2007-03-03 15:01:29 +0000 | [diff] [blame] | 6 | |
| 7 | 0x10 Entry into protected mode |
| 8 | 0x01 Entry into 'crt0.s' reset code jumps to here |
| Uwe Hermann | 16db6c3 | 2010-09-23 18:48:27 +0000 | [diff] [blame] | 9 | 0x11 Start copying coreboot to RAM with decompression if compressed |
| Uwe Hermann | 1b515cb | 2007-03-03 15:01:29 +0000 | [diff] [blame] | 10 | 0x12 Copy/decompression finished jumping to RAM |
| Uwe Hermann | 16db6c3 | 2010-09-23 18:48:27 +0000 | [diff] [blame] | 11 | 0x80 Entry into coreboot in RAM |
| Uwe Hermann | 1b515cb | 2007-03-03 15:01:29 +0000 | [diff] [blame] | 12 | 0x13 Entry into c_start |
| 13 | 0xfe Pre call to hardwaremain() |
| 14 | 0x39 Console is initialized |
| 15 | 0x40 Console boot message succeeded |
| 16 | 0x66 Devices have been enumerated |
| 17 | 0x88 Devices have been configured |
| 18 | 0x89 Devices have been enabled |
| Keith Short | 7006458 | 2019-05-06 16:12:57 -0600 | [diff] [blame] | 19 | 0xe0 Boot media (e.g. SPI ROM) is corrupt |
| Keith Short | 1835bf0 | 2019-05-16 11:46:27 -0600 | [diff] [blame] | 20 | 0xe1 Resource stored within CBFS is corrupt |
| Keith Short | bb41aba | 2019-05-16 14:07:43 -0600 | [diff] [blame] | 21 | 0xe2 Vendor binary (e.g. FSP) generated a fatal error |
| Keith Short | 2430263 | 2019-05-16 14:08:31 -0600 | [diff] [blame] | 22 | 0xe3 RAM could not be initialized |
| Keith Short | 15588b0 | 2019-05-09 11:40:34 -0600 | [diff] [blame] | 23 | 0xe4 Critical hardware component could not initialize |
| Keith Short | c58e3bd | 2019-05-10 11:14:31 -0600 | [diff] [blame] | 24 | 0xe5 Video subsystem failed to initialize |
| Uwe Hermann | 1b515cb | 2007-03-03 15:01:29 +0000 | [diff] [blame] | 25 | 0xf8 Entry into elf boot |
| 26 | 0xf3 Jumping to payload |
| 27 | |
| 28 | Errors (used in several places): |
| 29 | |
| 30 | 0xee Not supposed to get here |
| 31 | 0xff Elfload fail or die() called |