#include "qemu-common.h"
#include "ui/console.h"
#include "ui/pixel_ops.h"
+#include "hw/loader.h"
#include "hw/sysbus.h"
+#define TCX_ROM_FILE "QEMU,tcx.bin"
+#define FCODE_MAX_ROM_SIZE 0x10000
+
#define MAXX 1024
#define MAXY 768
#define TCX_DAC_NREGS 16
#define TCX_THC_NREGS_24 0x1000
#define TCX_TEC_NREGS 0x1000
+#define TYPE_TCX "SUNW,tcx"
+#define TCX(obj) OBJECT_CHECK(TCXState, (obj), TYPE_TCX)
+
typedef struct TCXState {
- SysBusDevice busdev;
+ SysBusDevice parent_obj;
+
QemuConsole *con;
uint8_t *vram;
uint32_t *vram24, *cplane;
+ hwaddr prom_addr;
+ MemoryRegion rom;
MemoryRegion vram_mem;
MemoryRegion vram_8bit;
MemoryRegion vram_24bit;
static void tcx_reset(DeviceState *d)
{
- TCXState *s = container_of(d, TCXState, busdev.qdev);
+ TCXState *s = TCX(d);
/* Initialize palette */
memset(s->r, 0, 256);
static int tcx_init1(SysBusDevice *dev)
{
- TCXState *s = FROM_SYSBUS(TCXState, dev);
+ TCXState *s = TCX(dev);
ram_addr_t vram_offset = 0;
- int size;
+ int size, ret;
uint8_t *vram_base;
+ char *fcode_filename;
memory_region_init_ram(&s->vram_mem, OBJECT(s), "tcx.vram",
s->vram_size * (1 + 4 + 4));
vmstate_register_ram_global(&s->vram_mem);
vram_base = memory_region_get_ram_ptr(&s->vram_mem);
+ /* FCode ROM */
+ memory_region_init_ram(&s->rom, NULL, "tcx.prom", FCODE_MAX_ROM_SIZE);
+ vmstate_register_ram_global(&s->rom);
+ memory_region_set_readonly(&s->rom, true);
+ sysbus_init_mmio(dev, &s->rom);
+
+ fcode_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, TCX_ROM_FILE);
+ if (fcode_filename) {
+ ret = load_image_targphys(fcode_filename, s->prom_addr,
+ FCODE_MAX_ROM_SIZE);
+ if (ret < 0 || ret > FCODE_MAX_ROM_SIZE) {
+ fprintf(stderr, "tcx: could not load prom '%s'\n", TCX_ROM_FILE);
+ return -1;
+ }
+ }
+
/* 8-bit plane */
s->vram = vram_base;
size = s->vram_size;
DEFINE_PROP_UINT16("width", TCXState, width, -1),
DEFINE_PROP_UINT16("height", TCXState, height, -1),
DEFINE_PROP_UINT16("depth", TCXState, depth, -1),
+ DEFINE_PROP_HEX64("prom_addr", TCXState, prom_addr, -1),
DEFINE_PROP_END_OF_LIST(),
};
}
static const TypeInfo tcx_info = {
- .name = "SUNW,tcx",
+ .name = TYPE_TCX,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(TCXState),
.class_init = tcx_class_init,