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stop dirty logging while updating cirrus bank memory (Glauber Costa) 

Otherwise, slot tracking gets confused.

This fixes a screen corruption bug with Ubuntu guest installation.

Signed-off-by: Glauber Costa <glommer@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6851 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aliguori 2009-03-13 18:09:59 +00:00
parent 2e7d200bff
commit 8a93e519f3
1 changed files with 5 additions and 0 deletions
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5
hw/cirrus_vga.c
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@ -2637,11 +2637,16 @@ static void map_linear_vram(CirrusVGAState *s)
s->lfb_vram_mapped = 0;
cpu_register_physical_memory(isa_mem_base + 0xa0000, 0x8000,
(s->vram_offset + s->cirrus_bank_base[0]) | IO_MEM_UNASSIGNED);
cpu_register_physical_memory(isa_mem_base + 0xa8000, 0x8000,
(s->vram_offset + s->cirrus_bank_base[1]) | IO_MEM_UNASSIGNED);
if (!(s->cirrus_srcptr != s->cirrus_srcptr_end)
&& !((s->sr[0x07] & 0x01) == 0)
&& !((s->gr[0x0B] & 0x14) == 0x14)
&& !(s->gr[0x0B] & 0x02)) {
vga_dirty_log_stop((VGAState *)s);
cpu_register_physical_memory(isa_mem_base + 0xa0000, 0x8000,
(s->vram_offset + s->cirrus_bank_base[0]) | IO_MEM_RAM);
cpu_register_physical_memory(isa_mem_base + 0xa8000, 0x8000,