$ qemu-system-aarch64 -M virt,secure=on,virtualization=on   -cpu cortex-a53 -bios build/coreboot.rom -m 1024M -nographic


coreboot-4.10-48-g57eb94c24b Fri Jul 26 15:59:09 UTC 2019 bootblock starting (log level: 7)...
ARM64: Exception handlers installed.
CBFS: 'Master Header Locator' located CBFS at [20100:400000)
CBFS: Locating 'fallback/romstage'
CBFS: Found @ offset 80 size 2d76


coreboot-4.10-48-g57eb94c24b Fri Jul 26 15:59:09 UTC 2019 romstage starting (log level: 7)...
ARM64: Exception handlers installed.
CBMEM:
IMD: root @ 000000007ffff000 254 entries.
IMD: root @ 000000007fffec00 62 entries.
CBFS: 'Master Header Locator' located CBFS at [20100:400000)
CBFS: Locating 'fallback/ramstage'
CBFS: Found @ offset 2e40 size 485a


coreboot-4.10-48-g57eb94c24b Fri Jul 26 15:59:09 UTC 2019 ramstage starting (log level: 7)...
POST: 0x39
POST: 0x80
ARM64: Exception handlers installed.
POST: 0x70
BS: BS_PRE_DEVICE times (us): entry 30 run 60 exit 8
POST: 0x71
BS: BS_DEV_INIT_CHIPS times (us): entry 1 run 81 exit 0
POST: 0x72
Enumerating buses...
I2C: 00:06 enabled
scan_bus: scanning of bus Root Device took 234 usecs
done
BS: BS_DEV_ENUMERATE times (us): entry 0 run 1080 exit 0
POST: 0x73
Allocating resources...
Reading resources...
I2C: 00:06 missing read_resources
Done reading resources.
Setting resources...
Done setting resources.
Done allocating resources.
BS: BS_DEV_RESOURCES times (us): entry 0 run 932 exit 1
POST: 0x74
Enabling resources...
done.
BS: BS_DEV_ENABLE times (us): entry 0 run 214 exit 1
POST: 0x75
Initializing devices...
Root Device init ...
Root Device init finished in 114 usecs
POST: 0x75
Devices initialized
BS: BS_DEV_INIT times (us): entry 0 run 620 exit 1
POST: 0x76
Finalize devices...
Devices finalized
BS: BS_POST_DEVICE times (us): entry 0 run 269 exit 0
POST: 0x77
BS: BS_OS_RESUME_CHECK times (us): entry 0 run 46 exit 1
POST: 0x79
Writing coreboot table at 0x7ffdc000
 0. 0000000040000000-000000006001ffff: RAM
 1. 0000000060020000-000000006002ffff: RAMSTAGE
 2. 0000000060030000-000000006006ffff: RAM
 3. 0000000060070000-0000000060082fff: RAMSTAGE
 4. 0000000060083000-00000000610fffff: RAM
 5. 0000000061100000-0000000061103fff: RAMSTAGE
 6. 0000000061104000-000000007ffdbfff: RAM
 7. 000000007ffdc000-000000007fffffff: CONFIGURATION TABLES
CBFS: 'Master Header Locator' located CBFS at [20100:400000)
FMAP: Found "FLASH" version 1.1 at 20000.
FMAP: base = 0 size = 400000 #areas = 4
Wrote coreboot table at: 000000007ffdc000, 0x160 bytes, checksum 13ae
coreboot table: 376 bytes.
IMD ROOT    0. 000000007ffff000 00001000
IMD SMALL   1. 000000007fffe000 00001000
CONSOLE     2. 000000007ffde000 00020000
COREBOOT    3. 000000007ffdc000 00002000
IMD small region:
  IMD ROOT    0. 000000007fffec00 00000400
BS: BS_WRITE_TABLES times (us): entry 1 run 5203 exit 1
POST: 0x7a
CBFS: 'Master Header Locator' located CBFS at [20100:400000)
CBFS: Locating 'fallback/payload'
CBFS: 'fallback/payload' not found.
POST: 0xe0
Payload not loaded.