/* * QEMU Motorola 680x0 Macintosh Video Card Emulation * Copyright (c) 2012-2018 Laurent Vivier * * some parts from QEMU G364 framebuffer Emulator. * Copyright (c) 2007-2011 Herve Poussineau * * This work is licensed under the terms of the GNU GPL, version 2 or later. * See the COPYING file in the top-level directory. * */ #include "qemu/osdep.h" #include "qemu/units.h" #include "hw/sysbus.h" #include "ui/console.h" #include "ui/pixel_ops.h" #include "hw/nubus/nubus.h" #include "hw/display/macfb.h" #include "qapi/error.h" #include "hw/qdev-properties.h" #include "migration/vmstate.h" #include "trace.h" #define VIDEO_BASE 0x0 #define DAFB_BASE 0x00800000 #define MACFB_PAGE_SIZE 4096 #define MACFB_VRAM_SIZE (4 * MiB) #define DAFB_MODE_VADDR1 0x0 #define DAFB_MODE_VADDR2 0x4 #define DAFB_MODE_CTRL1 0x8 #define DAFB_MODE_CTRL2 0xc #define DAFB_MODE_SENSE 0x1c #define DAFB_INTR_MASK 0x104 #define DAFB_INTR_STAT 0x108 #define DAFB_INTR_CLEAR 0x10c #define DAFB_RESET 0x200 #define DAFB_LUT 0x213 #define DAFB_INTR_VBL 0x4 /* Vertical Blank period (60.15Hz) */ #define DAFB_INTR_VBL_PERIOD_NS 16625800 /* * Quadra sense codes taken from Apple Technical Note HW26: * "Macintosh Quadra Built-In Video". The sense codes and * extended sense codes have different meanings: * * Sense: * bit 2: SENSE2 (pin 10) * bit 1: SENSE1 (pin 7) * bit 0: SENSE0 (pin 4) * * 0 = pin tied to ground * 1 = pin unconnected * * Extended Sense: * bit 2: pins 4-10 * bit 1: pins 10-7 * bit 0: pins 7-4 * * 0 = pins tied together * 1 = pins unconnected * * Reads from the sense register appear to be active low, i.e. a 1 indicates * that the pin is tied to ground, a 0 indicates the pin is disconnected. * * Writes to the sense register appear to activate pulldowns i.e. a 1 enables * a pulldown on a particular pin. * * The MacOS toolbox appears to use a series of reads and writes to first * determine if extended sense is to be used, and then check which pins are * tied together in order to determine the display type. */ typedef struct MacFbSense { uint8_t type; uint8_t sense; uint8_t ext_sense; } MacFbSense; static MacFbSense macfb_sense_table[] = { { MACFB_DISPLAY_APPLE_21_COLOR, 0x0, 0 }, { MACFB_DISPLAY_APPLE_PORTRAIT, 0x1, 0 }, { MACFB_DISPLAY_APPLE_12_RGB, 0x2, 0 }, { MACFB_DISPLAY_APPLE_2PAGE_MONO, 0x3, 0 }, { MACFB_DISPLAY_NTSC_UNDERSCAN, 0x4, 0 }, { MACFB_DISPLAY_NTSC_OVERSCAN, 0x4, 0 }, { MACFB_DISPLAY_APPLE_12_MONO, 0x6, 0 }, { MACFB_DISPLAY_APPLE_13_RGB, 0x6, 0 }, { MACFB_DISPLAY_16_COLOR, 0x7, 0x3 }, { MACFB_DISPLAY_PAL1_UNDERSCAN, 0x7, 0x0 }, { MACFB_DISPLAY_PAL1_OVERSCAN, 0x7, 0x0 }, { MACFB_DISPLAY_PAL2_UNDERSCAN, 0x7, 0x6 }, { MACFB_DISPLAY_PAL2_OVERSCAN, 0x7, 0x6 }, { MACFB_DISPLAY_VGA, 0x7, 0x5 }, { MACFB_DISPLAY_SVGA, 0x7, 0x5 }, }; static MacFbMode macfb_mode_table[] = { { MACFB_DISPLAY_VGA, 1, 0x100, 0x71e, 640, 480, 0x400, 0x1000 }, { MACFB_DISPLAY_VGA, 2, 0x100, 0x70e, 640, 480, 0x400, 0x1000 }, { MACFB_DISPLAY_VGA, 4, 0x100, 0x706, 640, 480, 0x400, 0x1000 }, { MACFB_DISPLAY_VGA, 8, 0x100, 0x702, 640, 480, 0x400, 0x1000 }, { MACFB_DISPLAY_VGA, 24, 0x100, 0x7ff, 640, 480, 0x1000, 0x1000 }, { MACFB_DISPLAY_VGA, 1, 0xd0 , 0x70e, 800, 600, 0x340, 0xe00 }, { MACFB_DISPLAY_VGA, 2, 0xd0 , 0x706, 800, 600, 0x340, 0xe00 }, { MACFB_DISPLAY_VGA, 4, 0xd0 , 0x702, 800, 600, 0x340, 0xe00 }, { MACFB_DISPLAY_VGA, 8, 0xd0, 0x700, 800, 600, 0x340, 0xe00 }, { MACFB_DISPLAY_VGA, 24, 0x340, 0x100, 800, 600, 0xd00, 0xe00 }, { MACFB_DISPLAY_APPLE_21_COLOR, 1, 0x90, 0x506, 1152, 870, 0x240, 0x80 }, { MACFB_DISPLAY_APPLE_21_COLOR, 2, 0x90, 0x502, 1152, 870, 0x240, 0x80 }, { MACFB_DISPLAY_APPLE_21_COLOR, 4, 0x90, 0x500, 1152, 870, 0x240, 0x80 }, { MACFB_DISPLAY_APPLE_21_COLOR, 8, 0x120, 0x5ff, 1152, 870, 0x480, 0x80 }, }; typedef void macfb_draw_line_func(MacfbState *s, uint8_t *d, uint32_t addr, int width); static inline uint8_t macfb_read_byte(MacfbState *s, uint32_t addr) { return s->vram[addr & s->vram_bit_mask]; } /* 1-bit color */ static void macfb_draw_line1(MacfbState *s, uint8_t *d, uint32_t addr, int width) { uint8_t r, g, b; int x; for (x = 0; x < width; x++) { int bit = x & 7; int idx = (macfb_read_byte(s, addr) >> (7 - bit)) & 1; r = s->color_palette[idx * 3]; g = s->color_palette[idx * 3 + 1]; b = s->color_palette[idx * 3 + 2]; addr += (bit == 7); *(uint32_t *)d = rgb_to_pixel32(r, g, b); d += 4; } } /* 2-bit color */ static void macfb_draw_line2(MacfbState *s, uint8_t *d, uint32_t addr, int width) { uint8_t r, g, b; int x; for (x = 0; x < width; x++) { int bit = (x & 3); int idx = (macfb_read_byte(s, addr) >> ((3 - bit) << 1)) & 3; r = s->color_palette[idx * 3]; g = s->color_palette[idx * 3 + 1]; b = s->color_palette[idx * 3 + 2]; addr += (bit == 3); *(uint32_t *)d = rgb_to_pixel32(r, g, b); d += 4; } } /* 4-bit color */ static void macfb_draw_line4(MacfbState *s, uint8_t *d, uint32_t addr, int width) { uint8_t r, g, b; int x; for (x = 0; x < width; x++) { int bit = x & 1; int idx = (macfb_read_byte(s, addr) >> ((1 - bit) << 2)) & 15; r = s->color_palette[idx * 3]; g = s->color_palette[idx * 3 + 1]; b = s->color_palette[idx * 3 + 2]; addr += (bit == 1); *(uint32_t *)d = rgb_to_pixel32(r, g, b); d += 4; } } /* 8-bit color */ static void macfb_draw_line8(MacfbState *s, uint8_t *d, uint32_t addr, int width) { uint8_t r, g, b; int x; for (x = 0; x < width; x++) { r = s->color_palette[macfb_read_byte(s, addr) * 3]; g = s->color_palette[macfb_read_byte(s, addr) * 3 + 1]; b = s->color_palette[macfb_read_byte(s, addr) * 3 + 2]; addr++; *(uint32_t *)d = rgb_to_pixel32(r, g, b); d += 4; } } /* 16-bit color */ static void macfb_draw_line16(MacfbState *s, uint8_t *d, uint32_t addr, int width) { uint8_t r, g, b; int x; for (x = 0; x < width; x++) { uint16_t pixel; pixel = (macfb_read_byte(s, addr) << 8) | macfb_read_byte(s, addr + 1); r = ((pixel >> 10) & 0x1f) << 3; g = ((pixel >> 5) & 0x1f) << 3; b = (pixel & 0x1f) << 3; addr += 2; *(uint32_t *)d = rgb_to_pixel32(r, g, b); d += 4; } } /* 24-bit color */ static void macfb_draw_line24(MacfbState *s, uint8_t *d, uint32_t addr, int width) { uint8_t r, g, b; int x; for (x = 0; x < width; x++) { r = macfb_read_byte(s, addr + 1); g = macfb_read_byte(s, addr + 2); b = macfb_read_byte(s, addr + 3); addr += 4; *(uint32_t *)d = rgb_to_pixel32(r, g, b); d += 4; } } enum { MACFB_DRAW_LINE1, MACFB_DRAW_LINE2, MACFB_DRAW_LINE4, MACFB_DRAW_LINE8, MACFB_DRAW_LINE16, MACFB_DRAW_LINE24, MACFB_DRAW_LINE_NB, }; static macfb_draw_line_func * const macfb_draw_line_table[MACFB_DRAW_LINE_NB] = { macfb_draw_line1, macfb_draw_line2, macfb_draw_line4, macfb_draw_line8, macfb_draw_line16, macfb_draw_line24, }; static int macfb_check_dirty(MacfbState *s, DirtyBitmapSnapshot *snap, ram_addr_t addr, int len) { return memory_region_snapshot_get_dirty(&s->mem_vram, snap, addr, len); } static void macfb_draw_graphic(MacfbState *s) { DisplaySurface *surface = qemu_console_surface(s->con); DirtyBitmapSnapshot *snap = NULL; ram_addr_t page; uint32_t v = 0; int y, ymin; int macfb_stride = s->mode->stride; macfb_draw_line_func *macfb_draw_line; switch (s->depth) { case 1: v = MACFB_DRAW_LINE1; break; case 2: v = MACFB_DRAW_LINE2; break; case 4: v = MACFB_DRAW_LINE4; break; case 8: v = MACFB_DRAW_LINE8; break; case 16: v = MACFB_DRAW_LINE16; break; case 24: v = MACFB_DRAW_LINE24; break; } macfb_draw_line = macfb_draw_line_table[v]; assert(macfb_draw_line != NULL); snap = memory_region_snapshot_and_clear_dirty(&s->mem_vram, 0x0, memory_region_size(&s->mem_vram), DIRTY_MEMORY_VGA); ymin = -1; page = s->mode->offset; for (y = 0; y < s->height; y++, page += macfb_stride) { if (macfb_check_dirty(s, snap, page, macfb_stride)) { uint8_t *data_display; data_display = surface_data(surface) + y * surface_stride(surface); macfb_draw_line(s, data_display, page, s->width); if (ymin < 0) { ymin = y; } } else { if (ymin >= 0) { dpy_gfx_update(s->con, 0, ymin, s->width, y - ymin); ymin = -1; } } } if (ymin >= 0) { dpy_gfx_update(s->con, 0, ymin, s->width, y - ymin); } g_free(snap); } static void macfb_invalidate_display(void *opaque) { MacfbState *s = opaque; memory_region_set_dirty(&s->mem_vram, 0, MACFB_VRAM_SIZE); } static uint32_t macfb_sense_read(MacfbState *s) { MacFbSense *macfb_sense; uint8_t sense; assert(s->type < ARRAY_SIZE(macfb_sense_table)); macfb_sense = &macfb_sense_table[s->type]; if (macfb_sense->sense == 0x7) { /* Extended sense */ sense = 0; if (!(macfb_sense->ext_sense & 1)) { /* Pins 7-4 together */ if (~s->regs[DAFB_MODE_SENSE >> 2] & 3) { sense = (~s->regs[DAFB_MODE_SENSE >> 2] & 7) | 3; } } if (!(macfb_sense->ext_sense & 2)) { /* Pins 10-7 together */ if (~s->regs[DAFB_MODE_SENSE >> 2] & 6) { sense = (~s->regs[DAFB_MODE_SENSE >> 2] & 7) | 6; } } if (!(macfb_sense->ext_sense & 4)) { /* Pins 4-10 together */ if (~s->regs[DAFB_MODE_SENSE >> 2] & 5) { sense = (~s->regs[DAFB_MODE_SENSE >> 2] & 7) | 5; } } } else { /* Normal sense */ sense = (~macfb_sense->sense & 7) | (~s->regs[DAFB_MODE_SENSE >> 2] & 7); } trace_macfb_sense_read(sense); return sense; } static void macfb_sense_write(MacfbState *s, uint32_t val) { s->regs[DAFB_MODE_SENSE >> 2] = val; trace_macfb_sense_write(val); return; } static void macfb_update_mode(MacfbState *s) { s->width = s->mode->width; s->height = s->mode->height; s->depth = s->mode->depth; trace_macfb_update_mode(s->width, s->height, s->depth); macfb_invalidate_display(s); } static void macfb_mode_write(MacfbState *s) { MacFbMode *macfb_mode; int i; for (i = 0; i < ARRAY_SIZE(macfb_mode_table); i++) { macfb_mode = &macfb_mode_table[i]; if (s->type != macfb_mode->type) { continue; } if ((s->regs[DAFB_MODE_CTRL1 >> 2] & 0xff) == (macfb_mode->mode_ctrl1 & 0xff) && (s->regs[DAFB_MODE_CTRL2 >> 2] & 0xff) == (macfb_mode->mode_ctrl2 & 0xff)) { s->mode = macfb_mode; macfb_update_mode(s); break; } } } static MacFbMode *macfb_find_mode(MacfbDisplayType display_type, uint16_t width, uint16_t height, uint8_t depth) { MacFbMode *macfb_mode; int i; for (i = 0; i < ARRAY_SIZE(macfb_mode_table); i++) { macfb_mode = &macfb_mode_table[i]; if (display_type == macfb_mode->type && width == macfb_mode->width && height == macfb_mode->height && depth == macfb_mode->depth) { return macfb_mode; } } return NULL; } static gchar *macfb_mode_list(void) { GString *list = g_string_new(""); MacFbMode *macfb_mode; int i; for (i = 0; i < ARRAY_SIZE(macfb_mode_table); i++) { macfb_mode = &macfb_mode_table[i]; g_string_append_printf(list, " %dx%dx%d\n", macfb_mode->width, macfb_mode->height, macfb_mode->depth); } return g_string_free(list, FALSE); } static void macfb_update_display(void *opaque) { MacfbState *s = opaque; DisplaySurface *surface = qemu_console_surface(s->con); qemu_flush_coalesced_mmio_buffer(); if (s->width == 0 || s->height == 0) { return; } if (s->width != surface_width(surface) || s->height != surface_height(surface)) { qemu_console_resize(s->con, s->width, s->height); } macfb_draw_graphic(s); } static void macfb_update_irq(MacfbState *s) { uint32_t irq_state = s->regs[DAFB_INTR_STAT >> 2] & s->regs[DAFB_INTR_MASK >> 2]; if (irq_state) { qemu_irq_raise(s->irq); } else { qemu_irq_lower(s->irq); } } static int64_t macfb_next_vbl(void) { return (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + DAFB_INTR_VBL_PERIOD_NS) / DAFB_INTR_VBL_PERIOD_NS * DAFB_INTR_VBL_PERIOD_NS; } static void macfb_vbl_timer(void *opaque) { MacfbState *s = opaque; int64_t next_vbl; s->regs[DAFB_INTR_STAT >> 2] |= DAFB_INTR_VBL; macfb_update_irq(s); /* 60 Hz irq */ next_vbl = macfb_next_vbl(); timer_mod(s->vbl_timer, next_vbl); } static void macfb_reset(MacfbState *s) { int i; s->palette_current = 0; for (i = 0; i < 256; i++) { s->color_palette[i * 3] = 255 - i; s->color_palette[i * 3 + 1] = 255 - i; s->color_palette[i * 3 + 2] = 255 - i; } memset(s->vram, 0, MACFB_VRAM_SIZE); macfb_invalidate_display(s); } static uint64_t macfb_ctrl_read(void *opaque, hwaddr addr, unsigned int size) { MacfbState *s = opaque; uint64_t val = 0; switch (addr) { case DAFB_MODE_VADDR1: case DAFB_MODE_VADDR2: case DAFB_MODE_CTRL1: case DAFB_MODE_CTRL2: case DAFB_INTR_STAT: val = s->regs[addr >> 2]; break; case DAFB_MODE_SENSE: val = macfb_sense_read(s); break; default: if (addr < MACFB_CTRL_TOPADDR) { val = s->regs[addr >> 2]; } } trace_macfb_ctrl_read(addr, val, size); return val; } static void macfb_ctrl_write(void *opaque, hwaddr addr, uint64_t val, unsigned int size) { MacfbState *s = opaque; int64_t next_vbl; switch (addr) { case DAFB_MODE_VADDR1: case DAFB_MODE_VADDR2: s->regs[addr >> 2] = val; break; case DAFB_MODE_CTRL1 ... DAFB_MODE_CTRL1 + 3: case DAFB_MODE_CTRL2 ... DAFB_MODE_CTRL2 + 3: s->regs[addr >> 2] = val; if (val) { macfb_mode_write(s); } break; case DAFB_MODE_SENSE: macfb_sense_write(s, val); break; case DAFB_INTR_MASK: s->regs[addr >> 2] = val; if (val & DAFB_INTR_VBL) { next_vbl = macfb_next_vbl(); timer_mod(s->vbl_timer, next_vbl); } else { timer_del(s->vbl_timer); } break; case DAFB_INTR_CLEAR: s->regs[DAFB_INTR_STAT >> 2] &= ~DAFB_INTR_VBL; macfb_update_irq(s); break; case DAFB_RESET: s->palette_current = 0; s->regs[DAFB_INTR_STAT >> 2] &= ~DAFB_INTR_VBL; macfb_update_irq(s); break; case DAFB_LUT: s->color_palette[s->palette_current] = val; s->palette_current = (s->palette_current + 1) % ARRAY_SIZE(s->color_palette); if (s->palette_current % 3) { macfb_invalidate_display(s); } break; default: if (addr < MACFB_CTRL_TOPADDR) { s->regs[addr >> 2] = val; } } trace_macfb_ctrl_write(addr, val, size); } static const MemoryRegionOps macfb_ctrl_ops = { .read = macfb_ctrl_read, .write = macfb_ctrl_write, .endianness = DEVICE_BIG_ENDIAN, .impl.min_access_size = 1, .impl.max_access_size = 4, }; static int macfb_post_load(void *opaque, int version_id) { macfb_mode_write(opaque); return 0; } static const VMStateDescription vmstate_macfb = { .name = "macfb", .version_id = 1, .minimum_version_id = 1, .post_load = macfb_post_load, .fields = (VMStateField[]) { VMSTATE_UINT8(type, MacfbState), VMSTATE_UINT8_ARRAY(color_palette, MacfbState, 256 * 3), VMSTATE_UINT32(palette_current, MacfbState), VMSTATE_UINT32_ARRAY(regs, MacfbState, MACFB_NUM_REGS), VMSTATE_TIMER_PTR(vbl_timer, MacfbState), VMSTATE_END_OF_LIST() } }; static const GraphicHwOps macfb_ops = { .invalidate = macfb_invalidate_display, .gfx_update = macfb_update_display, }; static bool macfb_common_realize(DeviceState *dev, MacfbState *s, Error **errp) { DisplaySurface *surface; s->mode = macfb_find_mode(s->type, s->width, s->height, s->depth); if (!s->mode) { gchar *list; error_setg(errp, "unknown display mode: width %d, height %d, depth %d", s->width, s->height, s->depth); list = macfb_mode_list(); error_append_hint(errp, "Available modes:\n%s", list); g_free(list); return false; } /* * Set mode control registers to match the mode found above so that * macfb_mode_write() does the right thing if no MacOS toolbox ROM * is present to initialise them */ s->regs[DAFB_MODE_CTRL1 >> 2] = s->mode->mode_ctrl1; s->regs[DAFB_MODE_CTRL2 >> 2] = s->mode->mode_ctrl2; s->con = graphic_console_init(dev, 0, &macfb_ops, s); surface = qemu_console_surface(s->con); if (surface_bits_per_pixel(surface) != 32) { error_setg(errp, "unknown host depth %d", surface_bits_per_pixel(surface)); return false; } memory_region_init_io(&s->mem_ctrl, OBJECT(dev), &macfb_ctrl_ops, s, "macfb-ctrl", 0x1000); memory_region_init_ram(&s->mem_vram, OBJECT(dev), "macfb-vram", MACFB_VRAM_SIZE, &error_abort); memory_region_set_log(&s->mem_vram, true, DIRTY_MEMORY_VGA); s->vram = memory_region_get_ram_ptr(&s->mem_vram); s->vram_bit_mask = MACFB_VRAM_SIZE - 1; s->vbl_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, macfb_vbl_timer, s); macfb_update_mode(s); return true; } static void macfb_sysbus_realize(DeviceState *dev, Error **errp) { MacfbSysBusState *s = MACFB(dev); MacfbState *ms = &s->macfb; if (!macfb_common_realize(dev, ms, errp)) { return; } sysbus_init_mmio(SYS_BUS_DEVICE(s), &ms->mem_ctrl); sysbus_init_mmio(SYS_BUS_DEVICE(s), &ms->mem_vram); qdev_init_gpio_out(dev, &ms->irq, 1); } static void macfb_nubus_set_irq(void *opaque, int n, int level) { MacfbNubusState *s = NUBUS_MACFB(opaque); NubusDevice *nd = NUBUS_DEVICE(s); nubus_set_irq(nd, level); } static void macfb_nubus_realize(DeviceState *dev, Error **errp) { NubusDevice *nd = NUBUS_DEVICE(dev); MacfbNubusState *s = NUBUS_MACFB(dev); MacfbNubusDeviceClass *ndc = NUBUS_MACFB_GET_CLASS(dev); MacfbState *ms = &s->macfb; ndc->parent_realize(dev, errp); if (*errp) { return; } if (!macfb_common_realize(dev, ms, errp)) { return; } memory_region_add_subregion(&nd->slot_mem, DAFB_BASE, &ms->mem_ctrl); memory_region_add_subregion(&nd->slot_mem, VIDEO_BASE, &ms->mem_vram); ms->irq = qemu_allocate_irq(macfb_nubus_set_irq, s, 0); } static void macfb_nubus_unrealize(DeviceState *dev) { MacfbNubusState *s = NUBUS_MACFB(dev); MacfbNubusDeviceClass *ndc = NUBUS_MACFB_GET_CLASS(dev); MacfbState *ms = &s->macfb; ndc->parent_unrealize(dev); qemu_free_irq(ms->irq); } static void macfb_sysbus_reset(DeviceState *d) { MacfbSysBusState *s = MACFB(d); macfb_reset(&s->macfb); } static void macfb_nubus_reset(DeviceState *d) { MacfbNubusState *s = NUBUS_MACFB(d); macfb_reset(&s->macfb); } static Property macfb_sysbus_properties[] = { DEFINE_PROP_UINT32("width", MacfbSysBusState, macfb.width, 640), DEFINE_PROP_UINT32("height", MacfbSysBusState, macfb.height, 480), DEFINE_PROP_UINT8("depth", MacfbSysBusState, macfb.depth, 8), DEFINE_PROP_UINT8("display", MacfbSysBusState, macfb.type, MACFB_DISPLAY_VGA), DEFINE_PROP_END_OF_LIST(), }; static const VMStateDescription vmstate_macfb_sysbus = { .name = "macfb-sysbus", .version_id = 1, .minimum_version_id = 1, .fields = (VMStateField[]) { VMSTATE_STRUCT(macfb, MacfbSysBusState, 1, vmstate_macfb, MacfbState), VMSTATE_END_OF_LIST() } }; static Property macfb_nubus_properties[] = { DEFINE_PROP_UINT32("width", MacfbNubusState, macfb.width, 640), DEFINE_PROP_UINT32("height", MacfbNubusState, macfb.height, 480), DEFINE_PROP_UINT8("depth", MacfbNubusState, macfb.depth, 8), DEFINE_PROP_UINT8("display", MacfbNubusState, macfb.type, MACFB_DISPLAY_VGA), DEFINE_PROP_END_OF_LIST(), }; static const VMStateDescription vmstate_macfb_nubus = { .name = "macfb-nubus", .version_id = 1, .minimum_version_id = 1, .fields = (VMStateField[]) { VMSTATE_STRUCT(macfb, MacfbNubusState, 1, vmstate_macfb, MacfbState), VMSTATE_END_OF_LIST() } }; static void macfb_sysbus_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); dc->realize = macfb_sysbus_realize; dc->desc = "SysBus Macintosh framebuffer"; dc->reset = macfb_sysbus_reset; dc->vmsd = &vmstate_macfb_sysbus; device_class_set_props(dc, macfb_sysbus_properties); } static void macfb_nubus_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); MacfbNubusDeviceClass *ndc = NUBUS_MACFB_CLASS(klass); device_class_set_parent_realize(dc, macfb_nubus_realize, &ndc->parent_realize); device_class_set_parent_unrealize(dc, macfb_nubus_unrealize, &ndc->parent_unrealize); dc->desc = "Nubus Macintosh framebuffer"; dc->reset = macfb_nubus_reset; dc->vmsd = &vmstate_macfb_nubus; set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); device_class_set_props(dc, macfb_nubus_properties); } static const TypeInfo macfb_sysbus_info = { .name = TYPE_MACFB, .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(MacfbSysBusState), .class_init = macfb_sysbus_class_init, }; static const TypeInfo macfb_nubus_info = { .name = TYPE_NUBUS_MACFB, .parent = TYPE_NUBUS_DEVICE, .instance_size = sizeof(MacfbNubusState), .class_init = macfb_nubus_class_init, .class_size = sizeof(MacfbNubusDeviceClass), }; static void macfb_register_types(void) { type_register_static(&macfb_sysbus_info); type_register_static(&macfb_nubus_info); } type_init(macfb_register_types)