On Mon, 10 Sep 2007 08:06:20 -0700 (PDT)
PnP driver <[email protected]> wrote:
>
> Hi,
> I am very new to linux kernel driver development. I need to develop a
> driver for calling BIOS routines like get device node. I could call it
> in i386 architecture using the PnP driver.
We use ACPI on AMD64 so you should be parsing the ACPI tables not trying
to rely on legacy interfaces which if I rememeber the spec rightly aren't
even guaranteed safe to call when ACPI is active.
What are you actually trying to achieve.
> But in x86_64 arch I couldn't see any support. Even I tried to
> implement it similar to the i386. But there is no API get_cpu_gdt_table().
> Is there any other way to get the cpu_gdt_table? or any other way to
> call the BIOS routines.
Assuming you even have a BIOS - you may have EFI underlying or
Linuxbios or be a virtual machine.
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