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-rw-r--r--docs/specs/standard-vga.txt3
-rw-r--r--hw/vga-pci.c7
-rw-r--r--hw/vga.c3
3 files changed, 7 insertions, 6 deletions
diff --git a/docs/specs/standard-vga.txt b/docs/specs/standard-vga.txt
index 1cecccd469..8a4c1e93cd 100644
--- a/docs/specs/standard-vga.txt
+++ b/docs/specs/standard-vga.txt
@@ -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
diff --git a/hw/vga-pci.c b/hw/vga-pci.c
index ec29cac7f4..947e35c76f 100644
--- a/hw/vga-pci.c
+++ b/hw/vga-pci.c
@@ -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;
}
}
diff --git a/hw/vga.c b/hw/vga.c
index 81aa76bef9..2b0200a164 100644
--- a/hw/vga.c
+++ b/hw/vga.c
@@ -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(),
};