Syslinux - Nov 2020 - syslinux.efi does not seem to support HTTP like lpxelinux.0 does?

Hello everybody,

I been using lpxelinux.0 with legacy boot to load KERNEL over http 
instead of tftp and I want to switch to efi boot. Thank you for the 
great tech!

However it seems the syslinux.efi does not support HTTP / IP?

How can I get efi boot load syslinux with an IP stack?

# dpkg -S /usr/lib/SYSLINUX.EFI/efi64/syslinux.efi
syslinux-efi: /usr/lib/SYSLINUX.EFI/efi64/syslinux.efi

# dpkg -l syslinux-efi
ii  syslinux-efi   3:6.04~git20190206.bf6db5b4+dfsg1-1

Kind regards,

Jelle de Jong

On Tue, Nov 3, 2020 at 6:39 AM Jelle de Jong via Syslinux <
syslinux at syslinux.org> wrote:
> Hello everybody,
>
> I been using lpxelinux.0 with legacy boot to load KERNEL over http
> instead of tftp and I want to switch to efi boot. Thank you for the
> great tech!
>
> However it seems the syslinux.efi does not support HTTP / IP?
>
> How can I get efi boot load syslinux with an IP stack?
>
>
ipxelinux.0 is ipxe with syslinux embedded (
https://coderwall.com/p/0sq9gg/how-to-build-ipxelinux-0). If you want an
EFI version, you will probably have to build one yourself. I've done
similar things (
https://fedoramagazine.org/how-to-build-a-netboot-server-part-3/#:~:text=First,%20update%20the%20init.ipxe%20script),
but it is too complicated to explain in an email.

Hello everybody,

I been add this for a while and sent an message last year as well, but 
still have the issue.

I am using syslinux-efi from debian version 
3:6.04~git20190206.bf6db5b4+dfsg1-1

# md5sum /usr/lib/SYSLINUX.EFI/efi64/syslinux.efi
7ccde7e6ca2756931d6a4ebd8b55a753  /usr/lib/SYSLINUX.EFI/efi64/syslinux.ef

# md5sum /srv/tftp/efi64/syslinux.efi
7ccde7e6ca2756931d6a4ebd8b55a753  /srv/tftp/efi64/syslinux.efi

Apr 26 18:54:58 firewall01 dnsmasq-tftp[23829]: sent 
/srv/tftp/efi64/syslinux.efi to 192.168.40.112

With efi64 syslinux.efi  KERNEL 
http://192.168.40.25/linux-iso/image/vmlinuz will not load while 
/usr/lib/PXELINUX/lpxelinux.0 works fine with BIOS boot, but I need EFI 
for TPM support.

Would it be possible to add HTTP support to the EFI syslinux images.

I rather not build my own ipxelinux.0

Kind regards,

Jelle de Jong
> ipxelinux.0 is ipxe with syslinux embedded
(https://coderwall.com/p/0sq9gg/how-to-build-ipxelinux-0). If you want an EFI
version, you will probably have to build one yourself. I've done similar
things
(https://fedoramagazine.org/how-to-build-a-netboot-server-part-3/#:~:text=First,%20update%20the%20init.ipxe%20script),
but it is too complicated to explain in an email.
On 11/3/20 1:36 PM, Jelle de Jong via Syslinux wrote:
> Hello everybody,
> 
> I been using lpxelinux.0 with legacy boot to load KERNEL over http 
> instead of tftp and I want to switch to efi boot. Thank you for the 
> great tech!
> 
> However it seems the syslinux.efi does not support HTTP / IP?
> 
> How can I get efi boot load syslinux with an IP stack?
> 
> # dpkg -S /usr/lib/SYSLINUX.EFI/efi64/syslinux.efi
> syslinux-efi: /usr/lib/SYSLINUX.EFI/efi64/syslinux.efi
> 
> # dpkg -l syslinux-efi
> ii? syslinux-efi?? 3:6.04~git20190206.bf6db5b4+dfsg1-1
> 
> Kind regards,
> 
> Jelle de Jong
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