[syslinux] Weird PXE calling convention question

H. Peter Anvin hpa at zytor.com
Wed Jul 16 19:47:22 PDT 2003

Alexander Sack wrote:
> Hi,
> I am mucking around with the pxelinux code for S&G's and I have a
> generic question about the pxe calling convention:
> Does the parameter structure and opcode HAVE to be passed onto the stack
> the PXE BIOS passed in when the pxelinux binary is executed at 0:7C00?

I have found stacks that fail if they don't.

> Basically, what do you mean by bonkers?! :-)!  Do calls start to fail
> like I described or the box just hangs (general fault or something)?

It varies :(


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