Am Tue, Apr 04, 2023 at 08:30:51AM +0000 schrieb Emmanuel Dreyfus:
> Debugging what happens after that is more tricky. This is assembly
> code, I am not sure I can printf from there. I try to make the
> machine reboot at startprog64() start to see if I just reach that
> place.
Look for beep_on_reset in the ACPI wake code. If your machine has a PC
speaker emulated, that might be the easiest option:
movb $0xc0,%al
outb %al,$0x42
movb $0x04,%al
outb %al,$0x42
inb $0x61,%al
orb $0x3,%al
outb %al,$0x61
Joerg
