[coreboot] initial stages

1 bootblock

bootblock是coreboot的第一个启动阶段。

coreboot-4.15-1078-g50251400d2 Mon Jan 17 17:14:20 UTC 2022 bootblock starting (log level: 7)...
FMAP: Found "FLASH" version 1.1 at 0x0.
FMAP: base = 0xff000000 size = 0x1000000 #areas = 3
FMAP: area COREBOOT found @ 200 (16776704 bytes)
CBFS: mcache @0x00014e00 built for 11 files, used 0x270 of 0x4000 bytes
CBFS: Found 'fallback/romstage' @0x80 size 0x4550 in mcache @0x00014e2c
BS: bootblock times (exec / console): total (unknown) / 1 ms
QEMU debugcon not found [port 0x402]


coreboot-4.15-1078-g50251400d2 Mon Jan 17 17:14:20 UTC 2022 romstage starting (log level: 7)...
QEMU: firmware config interface detected
Firmware config version id: 3
QEMU: firmware config: Found 'etc/e820'
CBMEM:
IMD: root @ 0x07fff000 254 entries.
IMD: root @ 0x07ffec00 62 entries.
FMAP: area COREBOOT found @ 200 (16776704 bytes)
No more variable MTRRs: 0