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3 Commits

Author SHA1 Message Date
Gerd Hoffmann 63e3e24db2 vga: add secondary stdvga variant 
Add a standard vga variant which doesn't occupy any legacy
resources and thus can easily be used as secondary (or legacy-free)
graphics adapter.  Programming must be done using the MMIO bar.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
 2014-04-28 11:03:32 +02:00
Gerd Hoffmann df9ffb726f vga: fix bochs alignment issue 
The bochs dispi interface traditionally uses port 0x1ce as 16bit index
register and port 0x1cf as 16bit data register.  The later is unaligned,
and probably for that reason the the data register was moved to 0x1d0
for non-x86 archs.

This patch makes the data register available at 0x1d0 on x86 too.  The
old x86 location is kept for compatibility reasons, so both 0x1cf and
0x1d0 can be used as data register on x86.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
 2012-11-16 11:27:06 +01:00
Gerd Hoffmann cc22824860 vga: add specs for standard vga 
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
 2012-10-20 07:52:54 +00:00