+ cat /proc/iomem
00000000-00000fff : Reserved
00001000-0009d7ff : System RAM
0009d800-0009ffff : Reserved
000a0000-000bffff : PCI Bus 0000:00
000c0000-000ce5ff : Video ROM
000ce800-000cf7ff : Adapter ROM
00000000-00000000 : PCI Bus 0000:00
00000000-00000000 : PCI Bus 0000:00
00000000-00000000 : PCI Bus 0000:00
00000000-00000000 : PCI Bus 0000:00
000e0000-000fffff : Reserved
  00000000-00000000 : PCI Bus 0000:00
  000d0000-000e7fff : PCI Bus 0000:00
  000f0000-000fffff : System ROM
00100000-dbe3efff : System RAM
  89800000-8a601c7f : Kernel code
  8a800000-8b2b8fff : Kernel rodata
  8b400000-8b60cb3f : Kernel data
  8bcb6000-8bffffff : Kernel bss
dbe3f000-dd240fff : Reserved
dd241000-dd250fff : ACPI Tables
dd251000-dd33dfff : ACPI Non-volatile Storage
dd33e000-dea8afff : Reserved
dea8b000-dea8bfff : System RAM
dea8c000-deacefff : ACPI Non-volatile Storage
deacf000-df56ffff : System RAM
df570000-df7eefff : Reserved
df7ef000-df7fffff : System RAM
df800000-dfffffff : RAM buffer
e0000000-feafffff : PCI Bus 0000:00
  e0000000-f1ffffff : PCI Bus 0000:01
    e0000000-efffffff : 0000:01:00.0
    f0000000-f1ffffff : 0000:01:00.0
      f1000000-f113ffff : vesafb
  f2000000-f2000fff : pnp 00:08
  f6000000-f70fffff : PCI Bus 0000:01
    f6000000-f6ffffff : 0000:01:00.0
    f7080000-f7083fff : 0000:01:00.1
  f7100000-f71fffff : PCI Bus 0000:03
    f7100000-f7103fff : 0000:03:00.0
      f7100000-f7103fff : nvme
  f7200000-f72fffff : PCI Bus 0000:02
    f7200000-f7203fff : 0000:02:00.0
      f7200000-f7203fff : nvme
  f7300000-f731ffff : 0000:00:19.0
  f7320000-f732ffff : 0000:00:14.0
    f7320000-f732ffff : xhci-hcd
  f7330000-f7333fff : 0000:00:1b.0
  f7334000-f7334fff : 0000:00:1f.6
  f7335000-f73350ff : 0000:00:1f.3
  f7336000-f73367ff : 0000:00:1f.2
    f7336000-f73367ff : ahci
  f7337000-f73373ff : 0000:00:1d.0
    f7337000-f73373ff : ehci_hcd
  f7338000-f73383ff : 0000:00:1a.0
    f7338000-f73383ff : ehci_hcd
  f7339000-f7339fff : 0000:00:19.0
  f733a000-f733afff : 0000:00:16.3
  f733c000-f733c00f : 0000:00:16.0
  f8000000-fbffffff : PCI MMCONFIG 0000 [bus 00-3f]
    f8000000-fbffffff : Reserved
      f8000000-fbffffff : pnp 00:08
fec00000-fec00fff : Reserved
  fec00000-fec003ff : IOAPIC 0
fed00000-fed03fff : Reserved
  fed00000-fed003ff : HPET 0
    fed00000-fed003ff : PNP0103:00
fed10000-fed17fff : pnp 00:08
fed18000-fed18fff : pnp 00:08
fed19000-fed19fff : pnp 00:08
fed1c000-fed1ffff : Reserved
  fed1c000-fed1ffff : pnp 00:08
fed20000-fed3ffff : pnp 00:08
fed40000-fed44fff : pnp 00:00
fed45000-fed8ffff : pnp 00:08
fed90000-fed90fff : dmar0
fee00000-fee00fff : Local APIC
  fee00000-fee00fff : Reserved
ff000000-ffffffff : Reserved
  ff000000-ffffffff : INT0800:00
    ff000000-ffffffff : pnp 00:08
100000000-41dffffff : System RAM
41e000000-41fffffff : RAM buffer
