[SeaBIOS] [PATCHv2 0/6] Improved multi-platform support

[Kevin O'Connor]

On Tue, Feb 12, 2013 at 01:06:34PM +0100, Laszlo Ersek wrote:
> On 02/09/13 20:08, Kevin O'Connor wrote:
> > This is the redo of the "multi-platform support" patch I sent
> > previously.
> > 
> > This patch series is less ambitious than the previous - SeaBIOS can't
> > be compiled for multiple platforms (eg, QEMU, CSM, coreboot) at the
> > same time.  However, this series still contains all the CONFIG_X
> > reorganization and it will ensure that virtual devices aren't accessed
> > when not on real hardware when using CONFIG_CSM.  This series also
> > enables the possibility of using some virtual devices under coreboot
> > and CSM when it is safe to do so (and CONFIG_QEMU_HARDWARE is
> > selected).
> > 
> > I have also placed this code for testing at:
> > https://github.com/KevinOConnor/seabios/tree/test-20130209
> 
> When trying to build it on RHEL-6.3.z with the attached config (prepared
> with "make menuconfig"), I get
> 
> out/vgaccode16.o: In function `runningOnQEMU':
> /home/lacos/src/upstream/seabios/out/../src/paravirt.h:17: undefined reference to `PlatformRunningOn'

Oops.  This is because CONFIG_DEBUG_IO looks at PlatformRunningOn
(with certain config options) and the vgabios doesn't include the C
file that defines the variable.  I'll fix it up.  For now, just don't
build the vgabios with CONFIG_CSM set.

-Kevin