/* * QEMU TCX Frame buffer * * Copyright (c) 2003-2005 Fabrice Bellard * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #include "qemu/osdep.h" #include "qemu-common.h" #include "qemu/datadir.h" #include "qapi/error.h" #include "ui/console.h" #include "ui/pixel_ops.h" #include "hw/loader.h" #include "hw/qdev-properties.h" #include "hw/sysbus.h" #include "migration/vmstate.h" #include "qemu/error-report.h" #include "qemu/module.h" #include "qom/object.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 0x1000 #define TCX_DHC_NREGS 0x4000 #define TCX_TEC_NREGS 0x1000 #define TCX_ALT_NREGS 0x8000 #define TCX_STIP_NREGS 0x800000 #define TCX_BLIT_NREGS 0x800000 #define TCX_RSTIP_NREGS 0x800000 #define TCX_RBLIT_NREGS 0x800000 #define TCX_THC_MISC 0x818 #define TCX_THC_CURSXY 0x8fc #define TCX_THC_CURSMASK 0x900 #define TCX_THC_CURSBITS 0x980 #define TYPE_TCX "SUNW,tcx" OBJECT_DECLARE_SIMPLE_TYPE(TCXState, TCX) struct TCXState { SysBusDevice parent_obj; QemuConsole *con; qemu_irq irq; uint8_t *vram; uint32_t *vram24, *cplane; hwaddr prom_addr; MemoryRegion rom; MemoryRegion vram_mem; MemoryRegion vram_8bit; MemoryRegion vram_24bit; MemoryRegion stip; MemoryRegion blit; MemoryRegion vram_cplane; MemoryRegion rstip; MemoryRegion rblit; MemoryRegion tec; MemoryRegion dac; MemoryRegion thc; MemoryRegion dhc; MemoryRegion alt; MemoryRegion thc24; ram_addr_t vram24_offset, cplane_offset; uint32_t tmpblit; uint32_t vram_size; uint32_t palette[260]; uint8_t r[260], g[260], b[260]; uint16_t width, height, depth; uint8_t dac_index, dac_state; uint32_t thcmisc; uint32_t cursmask[32]; uint32_t cursbits[32]; uint16_t cursx; uint16_t cursy; }; static void tcx_set_dirty(TCXState *s, ram_addr_t addr, int len) { memory_region_set_dirty(&s->vram_mem, addr, len); if (s->depth == 24) { memory_region_set_dirty(&s->vram_mem, s->vram24_offset + addr * 4, len * 4); memory_region_set_dirty(&s->vram_mem, s->cplane_offset + addr * 4, len * 4); } } static int tcx_check_dirty(TCXState *s, DirtyBitmapSnapshot *snap, ram_addr_t addr, int len) { int ret; ret = memory_region_snapshot_get_dirty(&s->vram_mem, snap, addr, len); if (s->depth == 24) { ret |= memory_region_snapshot_get_dirty(&s->vram_mem, snap, s->vram24_offset + addr * 4, len * 4); ret |= memory_region_snapshot_get_dirty(&s->vram_mem, snap, s->cplane_offset + addr * 4, len * 4); } return ret; } static void update_palette_entries(TCXState *s, int start, int end) { DisplaySurface *surface = qemu_console_surface(s->con); int i; for (i = start; i < end; i++) { if (is_surface_bgr(surface)) { s->palette[i] = rgb_to_pixel32bgr(s->r[i], s->g[i], s->b[i]); } else { s->palette[i] = rgb_to_pixel32(s->r[i], s->g[i], s->b[i]); } } tcx_set_dirty(s, 0, memory_region_size(&s->vram_mem)); } static void tcx_draw_line32(TCXState *s1, uint8_t *d, const uint8_t *s, int width) { int x; uint8_t val; uint32_t *p = (uint32_t *)d; for (x = 0; x < width; x++) { val = *s++; *p++ = s1->palette[val]; } } static void tcx_draw_cursor32(TCXState *s1, uint8_t *d, int y, int width) { int x, len; uint32_t mask, bits; uint32_t *p = (uint32_t *)d; y = y - s1->cursy; mask = s1->cursmask[y]; bits = s1->cursbits[y]; len = MIN(width - s1->cursx, 32); p = &p[s1->cursx]; for (x = 0; x < len; x++) { if (mask & 0x80000000) { if (bits & 0x80000000) { *p = s1->palette[259]; } else { *p = s1->palette[258]; } } p++; mask <<= 1; bits <<= 1; } } /* XXX Could be much more optimal: * detect if line/page/whole screen is in 24 bit mode * if destination is also BGR, use memcpy */ static inline void tcx24_draw_line32(TCXState *s1, uint8_t *d, const uint8_t *s, int width, const uint32_t *cplane, const uint32_t *s24) { DisplaySurface *surface = qemu_console_surface(s1->con); int x, bgr, r, g, b; uint8_t val, *p8; uint32_t *p = (uint32_t *)d; uint32_t dval; bgr = is_surface_bgr(surface); for(x = 0; x < width; x++, s++, s24++) { if (be32_to_cpu(*cplane) & 0x03000000) { /* 24-bit direct, BGR order */ p8 = (uint8_t *)s24; p8++; b = *p8++; g = *p8++; r = *p8; if (bgr) dval = rgb_to_pixel32bgr(r, g, b); else dval = rgb_to_pixel32(r, g, b); } else { /* 8-bit pseudocolor */ val = *s; dval = s1->palette[val]; } *p++ = dval; cplane++; } } /* Fixed line length 1024 allows us to do nice tricks not possible on VGA... */ static void tcx_update_display(void *opaque) { TCXState *ts = opaque; DisplaySurface *surface = qemu_console_surface(ts->con); ram_addr_t page; DirtyBitmapSnapshot *snap = NULL; int y, y_start, dd, ds; uint8_t *d, *s; if (surface_bits_per_pixel(surface) != 32) { return; } page = 0; y_start = -1; d = surface_data(surface); s = ts->vram; dd = surface_stride(surface); ds = 1024; snap = memory_region_snapshot_and_clear_dirty(&ts->vram_mem, 0x0, memory_region_size(&ts->vram_mem), DIRTY_MEMORY_VGA); for (y = 0; y < ts->height; y++, page += ds) { if (tcx_check_dirty(ts, snap, page, ds)) { if (y_start < 0) y_start = y; tcx_draw_line32(ts, d, s, ts->width); if (y >= ts->cursy && y < ts->cursy + 32 && ts->cursx < ts->width) { tcx_draw_cursor32(ts, d, y, ts->width); } } else { if (y_start >= 0) { /* flush to display */ dpy_gfx_update(ts->con, 0, y_start, ts->width, y - y_start); y_start = -1; } } s += ds; d += dd; } if (y_start >= 0) { /* flush to display */ dpy_gfx_update(ts->con, 0, y_start, ts->width, y - y_start); } g_free(snap); } static void tcx24_update_display(void *opaque) { TCXState *ts = opaque; DisplaySurface *surface = qemu_console_surface(ts->con); ram_addr_t page; DirtyBitmapSnapshot *snap = NULL; int y, y_start, dd, ds; uint8_t *d, *s; uint32_t *cptr, *s24; if (surface_bits_per_pixel(surface) != 32) { return; } page = 0; y_start = -1; d = surface_data(surface); s = ts->vram; s24 = ts->vram24; cptr = ts->cplane; dd = surface_stride(surface); ds = 1024; snap = memory_region_snapshot_and_clear_dirty(&ts->vram_mem, 0x0, memory_region_size(&ts->vram_mem), DIRTY_MEMORY_VGA); for (y = 0; y < ts->height; y++, page += ds) { if (tcx_check_dirty(ts, snap, page, ds)) { if (y_start < 0) y_start = y; tcx24_draw_line32(ts, d, s, ts->width, cptr, s24); if (y >= ts->cursy && y < ts->cursy+32 && ts->cursx < ts->width) { tcx_draw_cursor32(ts, d, y, ts->width); } } else { if (y_start >= 0) { /* flush to display */ dpy_gfx_update(ts->con, 0, y_start, ts->width, y - y_start); y_start = -1; } } d += dd; s += ds; cptr += ds; s24 += ds; } if (y_start >= 0) { /* flush to display */ dpy_gfx_update(ts->con, 0, y_start, ts->width, y - y_start); } g_free(snap); } static void tcx_invalidate_display(void *opaque) { TCXState *s = opaque; tcx_set_dirty(s, 0, memory_region_size(&s->vram_mem)); qemu_console_resize(s->con, s->width, s->height); } static void tcx24_invalidate_display(void *opaque) { TCXState *s = opaque; tcx_set_dirty(s, 0, memory_region_size(&s->vram_mem)); qemu_console_resize(s->con, s->width, s->height); } static int vmstate_tcx_post_load(void *opaque, int version_id) { TCXState *s = opaque; update_palette_entries(s, 0, 256); tcx_set_dirty(s, 0, memory_region_size(&s->vram_mem)); return 0; } static const VMStateDescription vmstate_tcx = { .name ="tcx", .version_id = 4, .minimum_version_id = 4, .post_load = vmstate_tcx_post_load, .fields = (VMStateField[]) { VMSTATE_UINT16(height, TCXState), VMSTATE_UINT16(width, TCXState), VMSTATE_UINT16(depth, TCXState), VMSTATE_BUFFER(r, TCXState), VMSTATE_BUFFER(g, TCXState), VMSTATE_BUFFER(b, TCXState), VMSTATE_UINT8(dac_index, TCXState), VMSTATE_UINT8(dac_state, TCXState), VMSTATE_END_OF_LIST() } }; static void tcx_reset(DeviceState *d) { TCXState *s = TCX(d); /* Initialize palette */ memset(s->r, 0, 260); memset(s->g, 0, 260); memset(s->b, 0, 260); s->r[255] = s->g[255] = s->b[255] = 255; s->r[256] = s->g[256] = s->b[256] = 255; s->r[258] = s->g[258] = s->b[258] = 255; update_palette_entries(s, 0, 260); memset(s->vram, 0, MAXX*MAXY); memory_region_reset_dirty(&s->vram_mem, 0, MAXX * MAXY * (1 + 4 + 4), DIRTY_MEMORY_VGA); s->dac_index = 0; s->dac_state = 0; s->cursx = 0xf000; /* Put cursor off screen */ s->cursy = 0xf000; } static uint64_t tcx_dac_readl(void *opaque, hwaddr addr, unsigned size) { TCXState *s = opaque; uint32_t val = 0; switch (s->dac_state) { case 0: val = s->r[s->dac_index] << 24; s->dac_state++; break; case 1: val = s->g[s->dac_index] << 24; s->dac_state++; break; case 2: val = s->b[s->dac_index] << 24; s->dac_index = (s->dac_index + 1) & 0xff; /* Index autoincrement */ /* fall through */ default: s->dac_state = 0; break; } return val; } static void tcx_dac_writel(void *opaque, hwaddr addr, uint64_t val, unsigned size) { TCXState *s = opaque; unsigned index; switch (addr) { case 0: /* Address */ s->dac_index = val >> 24; s->dac_state = 0; break; case 4: /* Pixel colours */ case 12: /* Overlay (cursor) colours */ if (addr & 8) { index = (s->dac_index & 3) + 256; } else { index = s->dac_index; } switch (s->dac_state) { case 0: s->r[index] = val >> 24; update_palette_entries(s, index, index + 1); s->dac_state++; break; case 1: s->g[index] = val >> 24; update_palette_entries(s, index, index + 1); s->dac_state++; break; case 2: s->b[index] = val >> 24; update_palette_entries(s, index, index + 1); s->dac_index = (s->dac_index + 1) & 0xff; /* Index autoincrement */ /* fall through */ default: s->dac_state = 0; break; } break; default: /* Control registers */ break; } } static const MemoryRegionOps tcx_dac_ops = { .read = tcx_dac_readl, .write = tcx_dac_writel, .endianness = DEVICE_NATIVE_ENDIAN, .valid = { .min_access_size = 4, .max_access_size = 4, }, }; static uint64_t tcx_stip_readl(void *opaque, hwaddr addr, unsigned size) { return 0; } static void tcx_stip_writel(void *opaque, hwaddr addr, uint64_t val, unsigned size) { TCXState *s = opaque; int i; uint32_t col; if (!(addr & 4)) { s->tmpblit = val; } else { addr = (addr >> 3) & 0xfffff; col = cpu_to_be32(s->tmpblit); if (s->depth == 24) { for (i = 0; i < 32; i++) { if (val & 0x80000000) { s->vram[addr + i] = s->tmpblit; s->vram24[addr + i] = col; } val <<= 1; } } else { for (i = 0; i < 32; i++) { if (val & 0x80000000) { s->vram[addr + i] = s->tmpblit; } val <<= 1; } } tcx_set_dirty(s, addr, 32); } } static void tcx_rstip_writel(void *opaque, hwaddr addr, uint64_t val, unsigned size) { TCXState *s = opaque; int i; uint32_t col; if (!(addr & 4)) { s->tmpblit = val; } else { addr = (addr >> 3) & 0xfffff; col = cpu_to_be32(s->tmpblit); if (s->depth == 24) { for (i = 0; i < 32; i++) { if (val & 0x80000000) { s->vram[addr + i] = s->tmpblit; s->vram24[addr + i] = col; s->cplane[addr + i] = col; } val <<= 1; } } else { for (i = 0; i < 32; i++) { if (val & 0x80000000) { s->vram[addr + i] = s->tmpblit; } val <<= 1; } } tcx_set_dirty(s, addr, 32); } } static const MemoryRegionOps tcx_stip_ops = { .read = tcx_stip_readl, .write = tcx_stip_writel, .endianness = DEVICE_NATIVE_ENDIAN, .impl = { .min_access_size = 4, .max_access_size = 4, }, .valid = { .min_access_size = 4, .max_access_size = 8, }, }; static const MemoryRegionOps tcx_rstip_ops = { .read = tcx_stip_readl, .write = tcx_rstip_writel, .endianness = DEVICE_NATIVE_ENDIAN, .impl = { .min_access_size = 4, .max_access_size = 4, }, .valid = { .min_access_size = 4, .max_access_size = 8, }, }; static uint64_t tcx_blit_readl(void *opaque, hwaddr addr, unsigned size) { return 0; } static void tcx_blit_writel(void *opaque, hwaddr addr, uint64_t val, unsigned size) { TCXState *s = opaque; uint32_t adsr, len; int i; if (!(addr & 4)) { s->tmpblit = val; } else { addr = (addr >> 3) & 0xfffff; adsr = val & 0xffffff; len = ((val >> 24) & 0x1f) + 1; if (adsr == 0xffffff) { memset(&s->vram[addr], s->tmpblit, len); if (s->depth == 24) { val = s->tmpblit & 0xffffff; val = cpu_to_be32(val); for (i = 0; i < len; i++) { s->vram24[addr + i] = val; } } } else { memcpy(&s->vram[addr], &s->vram[adsr], len); if (s->depth == 24) { memcpy(&s->vram24[addr], &s->vram24[adsr], len * 4); } } tcx_set_dirty(s, addr, len); } } static void tcx_rblit_writel(void *opaque, hwaddr addr, uint64_t val, unsigned size) { TCXState *s = opaque; uint32_t adsr, len; int i; if (!(addr & 4)) { s->tmpblit = val; } else { addr = (addr >> 3) & 0xfffff; adsr = val & 0xffffff; len = ((val >> 24) & 0x1f) + 1; if (adsr == 0xffffff) { memset(&s->vram[addr], s->tmpblit, len); if (s->depth == 24) { val = s->tmpblit & 0xffffff; val = cpu_to_be32(val); for (i = 0; i < len; i++) { s->vram24[addr + i] = val; s->cplane[addr + i] = val; } } } else { memcpy(&s->vram[addr], &s->vram[adsr], len); if (s->depth == 24) { memcpy(&s->vram24[addr], &s->vram24[adsr], len * 4); memcpy(&s->cplane[addr], &s->cplane[adsr], len * 4); } } tcx_set_dirty(s, addr, len); } } static const MemoryRegionOps tcx_blit_ops = { .read = tcx_blit_readl, .write = tcx_blit_writel, .endianness = DEVICE_NATIVE_ENDIAN, .impl = { .min_access_size = 4, .max_access_size = 4, }, .valid = { .min_access_size = 4, .max_access_size = 8, }, }; static const MemoryRegionOps tcx_rblit_ops = { .read = tcx_blit_readl, .write = tcx_rblit_writel, .endianness = DEVICE_NATIVE_ENDIAN, .impl = { .min_access_size = 4, .max_access_size = 4, }, .valid = { .min_access_size = 4, .max_access_size = 8, }, }; static void tcx_invalidate_cursor_position(TCXState *s) { int ymin, ymax, start, end; /* invalidate only near the cursor */ ymin = s->cursy; if (ymin >= s->height) { return; } ymax = MIN(s->height, ymin + 32); start = ymin * 1024; end = ymax * 1024; tcx_set_dirty(s, start, end - start); } static uint64_t tcx_thc_readl(void *opaque, hwaddr addr, unsigned size) { TCXState *s = opaque; uint64_t val; if (addr == TCX_THC_MISC) { val = s->thcmisc | 0x02000000; } else { val = 0; } return val; } static void tcx_thc_writel(void *opaque, hwaddr addr, uint64_t val, unsigned size) { TCXState *s = opaque; if (addr == TCX_THC_CURSXY) { tcx_invalidate_cursor_position(s); s->cursx = val >> 16; s->cursy = val; tcx_invalidate_cursor_position(s); } else if (addr >= TCX_THC_CURSMASK && addr < TCX_THC_CURSMASK + 128) { s->cursmask[(addr - TCX_THC_CURSMASK) >> 2] = val; tcx_invalidate_cursor_position(s); } else if (addr >= TCX_THC_CURSBITS && addr < TCX_THC_CURSBITS + 128) { s->cursbits[(addr - TCX_THC_CURSBITS) >> 2] = val; tcx_invalidate_cursor_position(s); } else if (addr == TCX_THC_MISC) { s->thcmisc = val; } } static const MemoryRegionOps tcx_thc_ops = { .read = tcx_thc_readl, .write = tcx_thc_writel, .endianness = DEVICE_NATIVE_ENDIAN, .valid = { .min_access_size = 4, .max_access_size = 4, }, }; static uint64_t tcx_dummy_readl(void *opaque, hwaddr addr, unsigned size) { return 0; } static void tcx_dummy_writel(void *opaque, hwaddr addr, uint64_t val, unsigned size) { return; } static const MemoryRegionOps tcx_dummy_ops = { .read = tcx_dummy_readl, .write = tcx_dummy_writel, .endianness = DEVICE_NATIVE_ENDIAN, .valid = { .min_access_size = 4, .max_access_size = 4, }, }; static const GraphicHwOps tcx_ops = { .invalidate = tcx_invalidate_display, .gfx_update = tcx_update_display, }; static const GraphicHwOps tcx24_ops = { .invalidate = tcx24_invalidate_display, .gfx_update = tcx24_update_display, }; static void tcx_initfn(Object *obj) { SysBusDevice *sbd = SYS_BUS_DEVICE(obj); TCXState *s = TCX(obj); memory_region_init_rom_nomigrate(&s->rom, obj, "tcx.prom", FCODE_MAX_ROM_SIZE, &error_fatal); sysbus_init_mmio(sbd, &s->rom); /* 2/STIP : Stippler */ memory_region_init_io(&s->stip, obj, &tcx_stip_ops, s, "tcx.stip", TCX_STIP_NREGS); sysbus_init_mmio(sbd, &s->stip); /* 3/BLIT : Blitter */ memory_region_init_io(&s->blit, obj, &tcx_blit_ops, s, "tcx.blit", TCX_BLIT_NREGS); sysbus_init_mmio(sbd, &s->blit); /* 5/RSTIP : Raw Stippler */ memory_region_init_io(&s->rstip, obj, &tcx_rstip_ops, s, "tcx.rstip", TCX_RSTIP_NREGS); sysbus_init_mmio(sbd, &s->rstip); /* 6/RBLIT : Raw Blitter */ memory_region_init_io(&s->rblit, obj, &tcx_rblit_ops, s, "tcx.rblit", TCX_RBLIT_NREGS); sysbus_init_mmio(sbd, &s->rblit); /* 7/TEC : ??? */ memory_region_init_io(&s->tec, obj, &tcx_dummy_ops, s, "tcx.tec", TCX_TEC_NREGS); sysbus_init_mmio(sbd, &s->tec); /* 8/CMAP : DAC */ memory_region_init_io(&s->dac, obj, &tcx_dac_ops, s, "tcx.dac", TCX_DAC_NREGS); sysbus_init_mmio(sbd, &s->dac); /* 9/THC : Cursor */ memory_region_init_io(&s->thc, obj, &tcx_thc_ops, s, "tcx.thc", TCX_THC_NREGS); sysbus_init_mmio(sbd, &s->thc); /* 11/DHC : ??? */ memory_region_init_io(&s->dhc, obj, &tcx_dummy_ops, s, "tcx.dhc", TCX_DHC_NREGS); sysbus_init_mmio(sbd, &s->dhc); /* 12/ALT : ??? */ memory_region_init_io(&s->alt, obj, &tcx_dummy_ops, s, "tcx.alt", TCX_ALT_NREGS); sysbus_init_mmio(sbd, &s->alt); } static void tcx_realizefn(DeviceState *dev, Error **errp) { SysBusDevice *sbd = SYS_BUS_DEVICE(dev); TCXState *s = TCX(dev); ram_addr_t vram_offset = 0; int size, ret; uint8_t *vram_base; char *fcode_filename; memory_region_init_ram_nomigrate(&s->vram_mem, OBJECT(s), "tcx.vram", s->vram_size * (1 + 4 + 4), &error_fatal); vmstate_register_ram_global(&s->vram_mem); memory_region_set_log(&s->vram_mem, true, DIRTY_MEMORY_VGA); vram_base = memory_region_get_ram_ptr(&s->vram_mem); /* 10/ROM : FCode ROM */ vmstate_register_ram_global(&s->rom); fcode_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, TCX_ROM_FILE); if (fcode_filename) { ret = load_image_mr(fcode_filename, &s->rom); g_free(fcode_filename); if (ret < 0 || ret > FCODE_MAX_ROM_SIZE) { warn_report("tcx: could not load prom '%s'", TCX_ROM_FILE); } } /* 0/DFB8 : 8-bit plane */ s->vram = vram_base; size = s->vram_size; memory_region_init_alias(&s->vram_8bit, OBJECT(s), "tcx.vram.8bit", &s->vram_mem, vram_offset, size); sysbus_init_mmio(sbd, &s->vram_8bit); vram_offset += size; vram_base += size; /* 1/DFB24 : 24bit plane */ size = s->vram_size * 4; s->vram24 = (uint32_t *)vram_base; s->vram24_offset = vram_offset; memory_region_init_alias(&s->vram_24bit, OBJECT(s), "tcx.vram.24bit", &s->vram_mem, vram_offset, size); sysbus_init_mmio(sbd, &s->vram_24bit); vram_offset += size; vram_base += size; /* 4/RDFB32 : Raw Framebuffer */ size = s->vram_size * 4; s->cplane = (uint32_t *)vram_base; s->cplane_offset = vram_offset; memory_region_init_alias(&s->vram_cplane, OBJECT(s), "tcx.vram.cplane", &s->vram_mem, vram_offset, size); sysbus_init_mmio(sbd, &s->vram_cplane); /* 9/THC24bits : NetBSD writes here even with 8-bit display: dummy */ if (s->depth == 8) { memory_region_init_io(&s->thc24, OBJECT(s), &tcx_dummy_ops, s, "tcx.thc24", TCX_THC_NREGS); sysbus_init_mmio(sbd, &s->thc24); } sysbus_init_irq(sbd, &s->irq); if (s->depth == 8) { s->con = graphic_console_init(dev, 0, &tcx_ops, s); } else { s->con = graphic_console_init(dev, 0, &tcx24_ops, s); } s->thcmisc = 0; qemu_console_resize(s->con, s->width, s->height); } static Property tcx_properties[] = { DEFINE_PROP_UINT32("vram_size", TCXState, vram_size, -1), DEFINE_PROP_UINT16("width", TCXState, width, -1), DEFINE_PROP_UINT16("height", TCXState, height, -1), DEFINE_PROP_UINT16("depth", TCXState, depth, -1), DEFINE_PROP_END_OF_LIST(), }; static void tcx_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); dc->realize = tcx_realizefn; dc->reset = tcx_reset; dc->vmsd = &vmstate_tcx; device_class_set_props(dc, tcx_properties); } static const TypeInfo tcx_info = { .name = TYPE_TCX, .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(TCXState), .instance_init = tcx_initfn, .class_init = tcx_class_init, }; static void tcx_register_types(void) { type_register_static(&tcx_info); } type_init(tcx_register_types)