On 02/13/2011 01:16 PM, H. Peter Anvin wrote:
>
> The actual idea is to use the i386 compat ABI for memory layout, but
> with a 64-bit register convention. That means that system calls that
> don't make references to memory structures can simply use the 64-bit
> system calls, otherwise we're planning to reuse the i386 compat system
> calls, but invoke them via the syscall instruction (which requires a new
> system call table) and to pass 64-bit arguments in single registers.
>
Oh, and as to why not copy the i386 system call list straight off... we
don't really want to add a new ABI with crap like sys_socketcall.
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
