Add and build a custom iPXE ROM

[nerux]

Hello,

kvm could start a VM with a specific ROM.
Could you add an option in Hardware section / network card to specify a ROM file ?


Proxmox VE 6.2.10 : pve-manager/6.2-10/a20769ed (running kernel: 5.4.44-2-pve)
QEMU emulator version 5.0.0 (pve-qemu-kvm_5.0.0)

# compile ROM for realtek 8139 (It could be bin/virtio-net.rom, ...)
$ git clone https://git.ipxe.org/ipxe.git
$ cd ipxe
$ cd src/
$ sed -i 's/#undef[[:space:]]*\(DOWNLOAD_PROTO_HTTPS\)/#define \1/' config/general.h

$ make bin/rtl8139.rom EMBED=script.ipxe TRUST=$CATRUST

$ mv bin/rtl8139.rom /usr/share/kvm/pxe-rtl8139.rom

First gather the command launhed by PVE :
qm showcmd 113 --pretty > /tmp/kvm113.launch

Then edit the file and add to the network card ,romfile=pxe-rtl8139.rom

+  -device 'rtl8139,mac=3E:18:7F:AA:AA:AA,netdev=net0,bus=pci.0,addr=0x12,id=net0,bootindex=100,romfile=pxe-rtl8139.rom' \
-  -device 'rtl8139,mac=3E:18:7F:AA:AA:AA,netdev=net0,bus=pci.0,addr=0x12,id=net0,bootindex=100' \

Finally run it :
. /tmp/kvm113.launch

As we can see on the screenshot the iPXE's version And HTTPS feature enabled.

I think the problem is in below file arround $use_old_bios_files variable.
vim +1550 /usr/share/perl5/PVE/QemuServer.pm

Thanks

 

[Stefan_R]

This sounds like a useful idea, you can open a feature request on our bugtracker so we can further discuss it.

 

[sogitek]

+1 for this