diff options
Diffstat (limited to 'hw/display/tcx.c')
| -rw-r--r-- | hw/display/tcx.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/hw/display/tcx.c b/hw/display/tcx.c index 24876d3..873b82c 100644 --- a/hw/display/tcx.c +++ b/hw/display/tcx.c @@ -25,8 +25,12 @@ #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 @@ -43,6 +47,8 @@ typedef struct TCXState { QemuConsole *con; uint8_t *vram; uint32_t *vram24, *cplane; + hwaddr prom_addr; + MemoryRegion rom; MemoryRegion vram_mem; MemoryRegion vram_8bit; MemoryRegion vram_24bit; @@ -529,14 +535,31 @@ static int tcx_init1(SysBusDevice *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; @@ -598,6 +621,7 @@ static Property tcx_properties[] = { 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(), }; |