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Merge branch 'vga.1' of git://git.kraxel.org/qemu 

* 'vga.1' of git://git.kraxel.org/qemu:
  vga: fix mmio vga register mapping
  vga: fix bochs alignment issue
This commit is contained in:
Blue Swirl 2012-11-17 16:38:05 +00:00
parent 83eeb39669 c96c53b5f1
commit ab4dd33dc3
3 changed files with 7 additions and 6 deletions
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3
docs/specs/standard-vga.txt
View File

@ -36,7 +36,8 @@ IO ports used
03c0 - 03df : standard vga ports
01ce : bochs vbe interface index port
01cf : bochs vbe interface data port
01cf : bochs vbe interface data port (x86 only)
01d0 : bochs vbe interface data port
Memory regions used

7
hw/vga-pci.c
View File

@ -84,9 +84,10 @@ static void pci_vga_ioport_write(void *ptr, hwaddr addr,
uint64_t val, unsigned size)
{
PCIVGAState *d = ptr;
switch (size) {
case 1:
vga_ioport_write(&d->vga, addr, val);
vga_ioport_write(&d->vga, addr + 0x3c0, val);
break;
case 2:
/*
@ -94,8 +95,8 @@ static void pci_vga_ioport_write(void *ptr, hwaddr addr,
* indexed registers with a single word write because the
* index byte is updated first.
*/
vga_ioport_write(&d->vga, addr, val & 0xff);
vga_ioport_write(&d->vga, addr+1, (val >> 8) & 0xff);
vga_ioport_write(&d->vga, addr + 0x3c0, val & 0xff);
vga_ioport_write(&d->vga, addr + 0x3c1, (val >> 8) & 0xff);
break;
}
}

3
hw/vga.c
View File

@ -2321,9 +2321,8 @@ static const MemoryRegionPortio vbe_portio_list[] = {
{ 0, 1, 2, .read = vbe_ioport_read_index, .write = vbe_ioport_write_index },
# ifdef TARGET_I386
{ 1, 1, 2, .read = vbe_ioport_read_data, .write = vbe_ioport_write_data },
# else
{ 2, 1, 2, .read = vbe_ioport_read_data, .write = vbe_ioport_write_data },
# endif
{ 2, 1, 2, .read = vbe_ioport_read_data, .write = vbe_ioport_write_data },
PORTIO_END_OF_LIST(),
};