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-rw-r--r--hw/ppc/prep.c9
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)