diff options
| author | Hervé Poussineau <hpoussin@reactos.org> | 2014-03-17 23:00:22 +0100 |
|---|---|---|
| committer | Andreas Färber <andreas.faerber@web.de> | 2014-03-20 00:33:17 +0100 |
| commit | 1fe9e2626f00b237a7e79d3eba4891da1bff6671 (patch) | |
| tree | 70126d66ca1d189cb336f674bf6d5e1f711eeefb /hw/ppc | |
| parent | 1ae1dc5ba241a6dd22b7359ec1b2d21dd8e66f5b (diff) | |
raven: Set a correct PCI memory region
PCI memory region is 0x3f000000 bytes starting at 0xc0000000.
However, keep compatibility with Open Hack'Ware expectations
by adding a hack for Open Hack'Ware display.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Andreas Färber <andreas.faerber@web.de>
Diffstat (limited to 'hw/ppc')
| -rw-r--r-- | hw/ppc/prep.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/hw/ppc/prep.c b/hw/ppc/prep.c index 035b5b2f86..e2436512f7 100644 --- a/hw/ppc/prep.c +++ b/hw/ppc/prep.c @@ -381,6 +381,7 @@ static void ppc_prep_init(QEMUMachineInitArgs *args) #endif int linux_boot, i, nb_nics1; MemoryRegion *ram = g_new(MemoryRegion, 1); + MemoryRegion *vga = g_new(MemoryRegion, 1); uint32_t kernel_base, initrd_base; long kernel_size, initrd_size; DeviceState *dev; @@ -506,6 +507,14 @@ static void ppc_prep_init(QEMUMachineInitArgs *args) /* init basic PC hardware */ pci_vga_init(pci_bus); + /* Open Hack'Ware hack: PCI BAR#0 is programmed to 0xf0000000. + * While bios will access framebuffer at 0xf0000000, real physical + * address is 0xf0000000 + 0xc0000000 (PCI memory base). + * Alias the wrong memory accesses to the right place. + */ + memory_region_init_alias(vga, NULL, "vga-alias", pci_address_space(pci), + 0xf0000000, 0x1000000); + memory_region_add_subregion_overlap(sysmem, 0xf0000000, vga, 10); nb_nics1 = nb_nics; if (nb_nics1 > NE2000_NB_MAX) |