[openbeosstorage] Re: platform_kernel_args &libdisk_device_manager.so
- From: "Axel Dörfler" <axeld@xxxxxxxxxxxxxxxx>
- To: openbeosstorage@xxxxxxxxxxxxx
- Date: Sun, 02 Nov 2003 23:19:53 +0100 CET
Ingo Weinhold <bonefish@xxxxxxxxxxxxxxx> wrote:
> > > Mmh, that must be something Axel introduced (accidentially?), as
> > > it
> > > seems to be boot loader specific. We indirectly include <vm.h>,
> > > and I
> > > guess the source is to be found somewhere in this direction.
> > Actually, it's not accidently. It's the same mechanism as in
> > "arch", I
> > probably just have messed up its implementation.
> > The actual platform + arch define the build target, and we need
> > headers
> > from both sources in the kernel (i.e. for the kernel_args structure
> > that is passed from the boot loader to the kernel - it has an arch
> > and
> > a platform specific part).
> Maybe I just misunderstand you, but shouldn't a header that is used
> by both
> boot loader and kernel use #ifdefs when including headers that differ
> for
> boot loader and kernel, so that for the ddm we wouldn't need to add a
> boot
> loader specific include dir, since no boot loader header would be
> included
> when compiling it?
The boot loader header directory contains the kernel_args.h header
which defines the structure that is passed from the boot loader to the
kernel. I think that's the best location for it, but the structure is
used by many init calls throughout the kernel, so we could think a bit
more about it.
Bye,
Axel.
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