magic ~ $ qemu-system-x86_64 -M q35 -m 200m -accel kvm -drive file=/var/tmp/x86.bootsect,if=none,id=drive0,index=0,format=raw -device virtio-blk,drive=drive0 -chardev stdio,id=seabios -device isa-debugcon,iobase=0x402,chardev=seabios
SeaBIOS (version ?-20191013_105130-anatol)
BUILD: gcc: (GCC) 9.2.0 binutils: (GNU Binutils) 2.32
No Xen hypervisor found.
Running on QEMU (q35)
Running on KVM
RamSize: 0x0c800000 [cmos]
Relocating init from 0x000d8a40 to 0x0c7ad5c0 (size 76192)
Found QEMU fw_cfg
QEMU fw_cfg DMA interface supported
RamBlock: addr 0x0000000000000000 len 0x000000000c800000 [e820]
Moving pm_base to 0x600
=== PCI bus & bridge init ===
PCI: pci_bios_init_bus_rec bus = 0x0
=== PCI device probing ===
Found 7 PCI devices (max PCI bus is 00)
=== PCI new allocation pass #1 ===
PCI: check devices
=== PCI new allocation pass #2 ===
PCI: IO: c000 - c0ff
PCI: 32: 00000000c0000000 - 00000000fec00000
PCI: map device bdf=00:03.0  bar 0, addr 0000c000, size 00000080 [io]
PCI: map device bdf=00:1f.3  bar 4, addr 0000c080, size 00000040 [io]
PCI: map device bdf=00:02.0  bar 2, addr 0000c0c0, size 00000020 [io]
PCI: map device bdf=00:1f.2  bar 4, addr 0000c0e0, size 00000020 [io]
PCI: map device bdf=00:02.0  bar 6, addr feb40000, size 00040000 [mem]
PCI: map device bdf=00:02.0  bar 0, addr feb80000, size 00020000 [mem]
PCI: map device bdf=00:02.0  bar 1, addr feba0000, size 00020000 [mem]
PCI: map device bdf=00:01.0  bar 6, addr febc0000, size 00010000 [mem]
PCI: map device bdf=00:02.0  bar 3, addr febd0000, size 00004000 [mem]
PCI: map device bdf=00:01.0  bar 2, addr febd4000, size 00001000 [mem]
PCI: map device bdf=00:03.0  bar 1, addr febd5000, size 00001000 [mem]
PCI: map device bdf=00:1f.2  bar 5, addr febd6000, size 00001000 [mem]
PCI: map device bdf=00:01.0  bar 0, addr fd000000, size 01000000 [prefmem]
PCI: map device bdf=00:03.0  bar 4, addr fe000000, size 00004000 [prefmem]
PCI: init bdf=00:00.0 id=8086:29c0
PCI: init bdf=00:01.0 id=1234:1111
PCI: init bdf=00:02.0 id=8086:10d3
PCI: init bdf=00:03.0 id=1af4:1001
PCI: init bdf=00:1f.0 id=8086:2918
Q35 LPC init: elcr=00 0c
Using pmtimer, ioport 0x608
PCI: init bdf=00:1f.2 id=8086:2922
PCI: init bdf=00:1f.3 id=8086:2930
PCI: Using 00:01.0 for primary VGA
Found 1 cpu(s) max supported 1 cpu(s)
Copying PIR from 0x0c7bfc60 to 0x000f5de0
Copying MPTABLE from 0x00006e4c/c7a4300 to 0x000f5cf0
Copying SMBIOS entry point from 0x00006e4c to 0x000f5b50
Scan for VGA option rom
Running option rom at c000:0003
Start SeaVGABIOS (version ?-20191013_105139-anatol)
VGABUILD: gcc: (GCC) 9.2.0 binutils: (GNU Binutils) 2.32
enter vga_post:
   a=00000008  b=0000ffff  c=00000000  d=0000ffff ds=0000 es=f000 ss=0000
  si=00000000 di=000061c0 bp=00000000 sp=00006dc2 cs=f000 ip=d002  f=0000
VBE DISPI: bdf 00:01.0, bar 0
VBE DISPI: lfb_addr=fd000000, size 16 MB
Attempting to allocate 512 bytes lowmem via pmm call to f000:d0c2
pmm call arg1=0
VGA stack allocated at ea920
Turning on vga text mode console
set VGA mode 3
SeaBIOS (version ?-20191013_105130-anatol)
AHCI controller at 00:1f.2, iobase 0xfebd6000, irq 10
Searching bootorder for: /pci@i0cf8/*@1f,2/drive@2/disk@0
AHCI/2: registering: "DVD/CD [AHCI/2: QEMU DVD-ROM ATAPI-4 DVD/CD]"
Device reports MEDIUM NOT PRESENT
PS2 keyboard initialized
found virtio-blk at 00:03.0
pci dev 0:3 virtio cap at 0x84 type 5 [pci cfg access]
pci dev 0:3 virtio cap at 0x70 type 2 bar 4 at 0xfe000000 off +0x3000 [mmio]
pci dev 0:3 virtio cap at 0x60 type 4 bar 4 at 0xfe000000 off +0x2000 [mmio]
pci dev 0:3 virtio cap at 0x50 type 3 bar 4 at 0xfe000000 off +0x1000 [mmio]
pci dev 0:3 virtio cap at 0x40 type 1 bar 4 at 0xfe000000 off +0x0000 [mmio]
pci dev 00:03.0 using modern (1.0) virtio mode
Searching bootorder for: /pci@i0cf8/*@3
Found 1 lpt ports
Found 1 serial ports
All threads complete.
Scan for option roms
Running option rom at c980:0003
pmm call arg1=1
pmm call arg1=0
pmm call arg1=1
pmm call arg1=0
Searching bootorder for: /pci@i0cf8/*@2
Searching bootorder for: /rom@genroms/kvmvapic.bin
Searching bootorder for: HALT
drive 0x000ea0c0: PCHS=2/16/63 translation=lba LCHS=1/16/63 s=1024
Running option rom at ca80:0003
Space available for UMB: cd000-ea000, f5660-f5a90
Returned 122880 bytes of ZoneHigh
e820 map has 9 items:
  0: 0000000000000000 - 000000000009fc00 = 1 RAM
  1: 000000000009fc00 - 00000000000a0000 = 2 RESERVED
  2: 00000000000f0000 - 0000000000100000 = 2 RESERVED
  3: 0000000000100000 - 000000000c7de000 = 1 RAM
  4: 000000000c7de000 - 000000000c800000 = 2 RESERVED
  5: 00000000b0000000 - 00000000c0000000 = 2 RESERVED
  6: 00000000fed1c000 - 00000000fed20000 = 2 RESERVED
  7: 00000000feffc000 - 00000000ff000000 = 2 RESERVED
  8: 00000000fffc0000 - 0000000100000000 = 2 RESERVED
enter handle_19:
  NULL
Booting from Hard Disk...
Booting from 0000:7c00