diff options
| -rw-r--r-- | hw/m68k/q800.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/hw/m68k/q800.c b/hw/m68k/q800.c index 11376da..491f283 100644 --- a/hw/m68k/q800.c +++ b/hw/m68k/q800.c @@ -70,6 +70,8 @@ #define NUBUS_SUPER_SLOT_BASE 0x60000000 #define NUBUS_SLOT_BASE 0xf0000000 +#define SONIC_PROM_SIZE 0x1000 + /* * the video base, whereas it a Nubus address, * is needed by the kernel to have early display and @@ -211,8 +213,10 @@ static void q800_init(MachineState *machine) int32_t initrd_size; MemoryRegion *rom; MemoryRegion *io; + MemoryRegion *dp8393x_prom = g_new(MemoryRegion, 1); + uint8_t *prom; const int io_slice_nb = (IO_SIZE / IO_SLICE) - 1; - int i; + int i, checksum; ram_addr_t ram_size = machine->ram_size; const char *kernel_filename = machine->kernel_filename; const char *initrd_filename = machine->initrd_filename; @@ -319,9 +323,25 @@ static void q800_init(MachineState *machine) sysbus = SYS_BUS_DEVICE(dev); sysbus_realize_and_unref(sysbus, &error_fatal); sysbus_mmio_map(sysbus, 0, SONIC_BASE); - sysbus_mmio_map(sysbus, 1, SONIC_PROM_BASE); sysbus_connect_irq(sysbus, 0, qdev_get_gpio_in(glue, 2)); + memory_region_init_rom(dp8393x_prom, NULL, "dp8393x-q800.prom", + SONIC_PROM_SIZE, &error_fatal); + memory_region_add_subregion(get_system_memory(), SONIC_PROM_BASE, + dp8393x_prom); + + /* Add MAC address with valid checksum to PROM */ + prom = memory_region_get_ram_ptr(dp8393x_prom); + checksum = 0; + for (i = 0; i < 6; i++) { + prom[i] = nd_table[0].macaddr.a[i]; + checksum += prom[i]; + if (checksum > 0xff) { + checksum = (checksum + 1) & 0xff; + } + } + prom[7] = 0xff - checksum; + /* SCC */ dev = qdev_new(TYPE_ESCC); |