I believe QEMU has handed ownership of this off to coreboot. Which
makes sense.
https://review.coreboot.org/cgit/sgabios.git
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https://bugs.launchpad.net/bugs/1670509
Title:
sgabios o
That patch is wrong. The correct patch has been submitted and checked
on the QEMU mailing lists
(http://patchwork.ozlabs.org/patch/737446/).
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Ti
Fix Bug #1670509: wrong video attrs for int 10h, ah==13h
The subroutine set_cursor_position is trashing %bx.
Unfortunately, %bl contains the video attribute for write_string.
The fix saves %bx in the function prolog and restores it in
the epilog.
Signed-off-by: Herbie Robinson
---
Removed
set_current_cursor,
because set_cursor_position does it.
Signed-off-by: Herbie Robinson
---
Removed incorrect code deletions from set_current_cursor.
sgabios.S | 2 ++
1 file changed, 2 insertions(+)
diff --git a/sgabios.S b/sgabios.S
index 275d063..96c4e23 100644
--- a/sgabios.S
+++ b/sgabios.S
@@ -1728,6
I don't think my e-mailed patch got through... I'm going to keep
trying, but in case anyone needs the patch in the interim...
** Patch added: "0001-SGABIOS-fix-wrong-video-attrs-for-int-10h-ah-13h.patch"
https://bugs.launchpad.net/qemu/+bug/1670509/+attachment/4834118/+files/0001-SGABIOS-fix-
** Also affects: qemu
Importance: Undecided
Status: New
** Changed in: qemu
Assignee: (unassigned) => Herbie Robinson (hrob)
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** Project changed: qemu => sgabios (Ubuntu)
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Title:
sgabios outputs incorrect video modes
Status in sgabios package in Ubuntu:
New
Bug desc
** Changed in: qemu
Assignee: (unassigned) => Herbie Robinson (hrob)
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Title:
sgabios outputs incorrect video modes
Status in QEMU:
Public bug reported:
When run with a bootstrap loader that uses int 0x10 with 0x1301 in %ax,
incorrect video modes are output to the serial port. I believe the VGA
image will be correct. This might also affect the returned values for
some interrupts.
This is caused because the set_cursor_positi
