//#define DEBUG_BOCHS_VBE
-#define GMODE_TEXT 0
-#define GMODE_GRAPH 1
-#define GMODE_BLANK 2
-
/* force some bits to zero */
const uint8_t sr_mask[8] = {
0x03,
if (s->ar_flip_flop == 0) {
val &= 0x3f;
s->ar_index = val;
- vga_update_resolution(s);
} else {
index = s->ar_index & 0x1f;
switch(index) {
#endif
s->sr[s->sr_index] = val & sr_mask[s->sr_index];
if (s->sr_index == 1) s->update_retrace_info(s);
- vga_update_resolution(s);
break;
case 0x3c7:
s->dac_read_index = val;
printf("vga: write GR%x = 0x%02x\n", s->gr_index, val);
#endif
s->gr[s->gr_index] = val & gr_mask[s->gr_index];
- vga_update_resolution(s);
break;
case 0x3b4:
case 0x3d4:
/* can always write bit 4 of CR7 */
if (s->cr_index == 7)
s->cr[7] = (s->cr[7] & ~0x10) | (val & 0x10);
- vga_update_resolution(s);
return;
}
switch(s->cr_index) {
s->update_retrace_info(s);
break;
}
- vga_update_resolution(s);
break;
case 0x3ba:
case 0x3da:
if ((val <= VBE_DISPI_MAX_XRES) && ((val & 7) == 0)) {
s->vbe_regs[s->vbe_index] = val;
}
- vga_update_resolution(s);
break;
case VBE_DISPI_INDEX_YRES:
if (val <= VBE_DISPI_MAX_YRES) {
s->vbe_regs[s->vbe_index] = val;
}
- vga_update_resolution(s);
break;
case VBE_DISPI_INDEX_BPP:
if (val == 0)
val == 16 || val == 24 || val == 32) {
s->vbe_regs[s->vbe_index] = val;
}
- vga_update_resolution(s);
break;
case VBE_DISPI_INDEX_BANK:
if (s->vbe_regs[VBE_DISPI_INDEX_BPP] == 4) {
}
s->dac_8bit = (val & VBE_DISPI_8BIT_DAC) > 0;
s->vbe_regs[s->vbe_index] = val;
- vga_update_resolution(s);
break;
case VBE_DISPI_INDEX_VIRT_WIDTH:
{
s->vbe_regs[VBE_DISPI_INDEX_VIRT_HEIGHT] = h;
s->vbe_line_offset = line_offset;
}
- vga_update_resolution(s);
break;
case VBE_DISPI_INDEX_X_OFFSET:
case VBE_DISPI_INDEX_Y_OFFSET:
s->vbe_start_addr += x * ((s->vbe_regs[VBE_DISPI_INDEX_BPP] + 7) >> 3);
s->vbe_start_addr >>= 2;
}
- vga_update_resolution(s);
break;
default:
break;
vga_draw_glyph8_func *vga_draw_glyph8;
vga_draw_glyph9_func *vga_draw_glyph9;
- vga_dirty_log_stop(s);
-
/* compute font data address (in plane 2) */
v = s->sr[3];
offset = (((v >> 4) & 1) | ((v << 1) & 6)) * 8192 * 4 + 2;
s->plane_updated = 0;
full_update = 1;
}
+ full_update |= update_basic_params(s);
line_offset = s->line_offset;
s1 = s->vram_ptr + (s->start_addr * 4);
return;
}
+ if (width != s->last_width || height != s->last_height ||
+ cw != s->last_cw || cheight != s->last_ch || s->last_depth) {
+ s->last_scr_width = width * cw;
+ s->last_scr_height = height * cheight;
+ qemu_console_resize(s->ds, s->last_scr_width, s->last_scr_height);
+ s->last_depth = 0;
+ s->last_width = width;
+ s->last_height = height;
+ s->last_ch = cheight;
+ s->last_cw = cw;
+ full_update = 1;
+ }
s->rgb_to_pixel =
rgb_to_pixel_dup_table[get_depth_index(s->ds)];
full_update |= update_palette16(s);
cpu_physical_sync_dirty_bitmap(isa_mem_base + 0xa0000, 0xa8000);
cpu_physical_sync_dirty_bitmap(isa_mem_base + 0xa8000, 0xb0000);
}
- vga_dirty_log_start(s);
}
-static void vga_update_resolution_graphics(VGAState *s)
+/*
+ * graphic modes
+ */
+static void vga_draw_graphic(VGAState *s, int full_update)
{
- int depth = s->get_bpp(s);
- int width, height, shift_control, double_scan;
+ int y1, y, update, linesize, y_start, double_scan, mask, depth;
+ int width, height, shift_control, line_offset, bwidth, bits;
+ ram_addr_t page0, page1, page_min, page_max;
int disp_width, multi_scan, multi_run;
+ uint8_t *d;
+ uint32_t v, addr1, addr;
+ vga_draw_line_func *vga_draw_line;
+
+ full_update |= update_basic_params(s);
+
+ if (!full_update)
+ vga_sync_dirty_bitmap(s);
s->get_resolution(s, &width, &height);
disp_width = width;
shift_control = (s->gr[0x05] >> 5) & 3;
double_scan = (s->cr[0x09] >> 7);
-
+ if (shift_control != 1) {
+ multi_scan = (((s->cr[0x09] & 0x1f) + 1) << double_scan) - 1;
+ } else {
+ /* in CGA modes, multi_scan is ignored */
+ /* XXX: is it correct ? */
+ multi_scan = double_scan;
+ }
+ multi_run = multi_scan;
if (shift_control != s->shift_control ||
double_scan != s->double_scan) {
- s->want_full_update = 1;
+ full_update = 1;
s->shift_control = shift_control;
s->double_scan = double_scan;
}
disp_width <<= 1;
}
}
- disp_width = width;
-
- if (shift_control != 1) {
- multi_scan = (((s->cr[0x09] & 0x1f) + 1) << double_scan) - 1;
- } else {
- /* in CGA modes, multi_scan is ignored */
- /* XXX: is it correct ? */
- multi_scan = double_scan;
- }
-
- multi_run = multi_scan;
+ depth = s->get_bpp(s);
if (s->line_offset != s->last_line_offset ||
disp_width != s->last_width ||
height != s->last_height ||
- s->last_depth != depth ||
- s->multi_run != multi_run ||
- s->multi_scan != multi_scan ||
- s->want_full_update) {
- if (s->ds->surface->pf.depth == 0) {
- goto dont_touch_display_surface;
- }
+ s->last_depth != depth) {
#if defined(WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
if (depth == 16 || depth == 32) {
#else
} else {
qemu_console_resize(s->ds, disp_width, height);
}
- dont_touch_display_surface:
s->last_scr_width = disp_width;
s->last_scr_height = height;
s->last_width = disp_width;
s->last_height = height;
s->last_line_offset = s->line_offset;
s->last_depth = depth;
- s->multi_run = multi_run;
- s->multi_scan = multi_scan;
- s->want_full_update = 1;
- }
-}
-
-static void vga_update_resolution_text(VGAState *s)
-{
- int width, height, cw, cheight;
-
- vga_get_text_resolution(s, &width, &height, &cw, &cheight);
- if (width != s->last_width || height != s->last_height ||
- cw != s->last_cw || cheight != s->last_ch || s->last_depth) {
- s->last_scr_width = width * cw;
- s->last_scr_height = height * cheight;
- if (s->ds->surface->pf.depth != 0) {
- qemu_console_resize(s->ds, s->last_scr_width, s->last_scr_height);
- } else {
- /*
- * curses expects width and height to be in character cell
- * dimensions, not pixels.
- */
- s->ds->surface->width = width;
- s->ds->surface->height = height;
- dpy_resize(s->ds);
- }
- s->last_depth = 0;
- s->last_width = width;
- s->last_height = height;
- s->last_ch = cheight;
- s->last_cw = cw;
- s->want_full_update = 1;
- }
-}
-
-void vga_update_resolution(VGAState *s)
-{
- int graphic_mode;
-
- if (!(s->ar_index & 0x20)) {
- graphic_mode = GMODE_BLANK;
- } else {
- graphic_mode = s->gr[6] & 1;
- }
- if (graphic_mode != s->graphic_mode) {
- s->graphic_mode = graphic_mode;
- s->want_full_update = 1;
- }
- s->want_full_update |= update_basic_params(s);
- switch (graphic_mode) {
- case GMODE_TEXT:
- vga_update_resolution_text(s);
- break;
- case GMODE_GRAPH:
- vga_update_resolution_graphics(s);
- break;
- }
-}
-
-/*
- * graphic modes
- */
-static void vga_draw_graphic(VGAState *s, int full_update)
-{
- int y1, y, update, linesize, y_start, mask;
- int width, height, line_offset, bwidth, bits;
- int multi_run;
- uint8_t *d;
- uint32_t v, addr1, addr;
- long page0, page1, page_min, page_max;
- vga_draw_line_func *vga_draw_line;
-
- if (!full_update)
- vga_sync_dirty_bitmap(s);
-
- s->get_resolution(s, &width, &height);
- multi_run = s->multi_run;
- if (is_buffer_shared(s->ds->surface) &&
+ full_update = 1;
+ } else if (is_buffer_shared(s->ds->surface) &&
(full_update || s->ds->surface->data != s->vram_ptr + (s->start_addr * 4))) {
s->ds->surface->data = s->vram_ptr + (s->start_addr * 4);
dpy_setdata(s->ds);
s->rgb_to_pixel =
rgb_to_pixel_dup_table[get_depth_index(s->ds)];
- if (s->shift_control == 0) {
+ if (shift_control == 0) {
full_update |= update_palette16(s);
if (s->sr[0x01] & 8) {
v = VGA_DRAW_LINE4D2;
v = VGA_DRAW_LINE4;
}
bits = 4;
- } else if (s->shift_control == 1) {
+ } else if (shift_control == 1) {
full_update |= update_palette16(s);
if (s->sr[0x01] & 8) {
v = VGA_DRAW_LINE2D2;
addr1 = (s->start_addr * 4);
bwidth = (width * bits + 7) / 8;
y_start = -1;
- page_min = 0x7fffffff;
- page_max = -1;
+ page_min = -1;
+ page_max = 0;
d = ds_get_data(s->ds);
linesize = ds_get_linesize(s->ds);
y1 = 0;
if (y_start >= 0) {
/* flush to display */
dpy_update(s->ds, 0, y_start,
- s->last_width, y - y_start);
+ disp_width, y - y_start);
y_start = -1;
}
}
if ((y1 & mask) == mask)
addr1 += line_offset;
y1++;
- multi_run = s->multi_scan;
+ multi_run = multi_scan;
} else {
multi_run--;
}
if (y_start >= 0) {
/* flush to display */
dpy_update(s->ds, 0, y_start,
- s->last_width, y - y_start);
+ disp_width, y - y_start);
}
/* reset modified pages */
- if (page_max != -1) {
+ if (page_max >= page_min) {
cpu_physical_memory_reset_dirty(page_min, page_max + TARGET_PAGE_SIZE,
VGA_DIRTY_FLAG);
}
return;
if (s->last_scr_width <= 0 || s->last_scr_height <= 0)
return;
- vga_dirty_log_stop(s);
s->rgb_to_pixel =
rgb_to_pixel_dup_table[get_depth_index(s->ds)];
s->last_scr_width, s->last_scr_height);
}
+#define GMODE_TEXT 0
+#define GMODE_GRAPH 1
+#define GMODE_BLANK 2
+
static void vga_update_display(void *opaque)
{
VGAState *s = (VGAState *)opaque;
- int full_update;
+ int full_update, graphic_mode;
if (ds_get_bits_per_pixel(s->ds) == 0) {
/* nothing to do */
} else {
- full_update = s->want_full_update;
- s->want_full_update = 0;
- switch(s->graphic_mode) {
+ full_update = 0;
+ if (!(s->ar_index & 0x20)) {
+ graphic_mode = GMODE_BLANK;
+ } else {
+ graphic_mode = s->gr[6] & 1;
+ }
+ if (graphic_mode != s->graphic_mode) {
+ s->graphic_mode = graphic_mode;
+ full_update = 1;
+ }
+ switch(graphic_mode) {
case GMODE_TEXT:
vga_draw_text(s, full_update);
break;
{
VGAState *s = (VGAState *)opaque;
- vga_update_resolution(s);
- s->want_full_update = 1;
+ s->last_width = -1;
+ s->last_height = -1;
}
void vga_reset(void *opaque)
s->vbe_bank_mask = (s->vram_size >> 16) - 1;
#endif
memset(s->font_offsets, '\0', sizeof(s->font_offsets));
+ s->graphic_mode = -1; /* force full update */
s->shift_control = 0;
s->double_scan = 0;
s->line_offset = 0;
memset(&s->retrace_info, 0, sizeof (s->retrace_info));
break;
}
- vga_update_resolution(s);
}
#define TEXTMODE_X(x) ((x) % width)
static void vga_update_text(void *opaque, console_ch_t *chardata)
{
VGAState *s = (VGAState *) opaque;
- int i, cursor_offset, cursor_visible;
+ int graphic_mode, i, cursor_offset, cursor_visible;
int cw, cheight, width, height, size, c_min, c_max;
uint32_t *src;
console_ch_t *dst, val;
char msg_buffer[80];
- int full_update = s->want_full_update;
+ int full_update = 0;
+
+ if (!(s->ar_index & 0x20)) {
+ graphic_mode = GMODE_BLANK;
+ } else {
+ graphic_mode = s->gr[6] & 1;
+ }
+ if (graphic_mode != s->graphic_mode) {
+ s->graphic_mode = graphic_mode;
+ full_update = 1;
+ }
+ if (s->last_width == -1) {
+ s->last_width = 0;
+ full_update = 1;
+ }
- s->want_full_update = 0;
- switch (s->graphic_mode) {
+ switch (graphic_mode) {
case GMODE_TEXT:
/* TODO: update palette */
+ full_update |= update_basic_params(s);
- vga_get_text_resolution(s, &width, &height, &cw, &cheight);
-
- if (s->ds->surface->width != width
- || s->ds->surface->height != height) {
- s->ds->surface->width = width;
- s->ds->surface->height = height;
- dpy_resize(s->ds);
+ /* total width & height */
+ cheight = (s->cr[9] & 0x1f) + 1;
+ cw = 8;
+ if (!(s->sr[1] & 0x01))
+ cw = 9;
+ if (s->sr[1] & 0x08)
+ cw = 16; /* NOTE: no 18 pixel wide */
+ width = (s->cr[0x01] + 1);
+ if (s->cr[0x06] == 100) {
+ /* ugly hack for CGA 160x100x16 - explain me the logic */
+ height = 100;
+ } else {
+ height = s->cr[0x12] |
+ ((s->cr[0x07] & 0x02) << 7) |
+ ((s->cr[0x07] & 0x40) << 3);
+ height = (height + 1) / cheight;
}
- /* total width & height */
size = (height * width);
if (size > CH_ATTR_SIZE) {
if (!full_update)
break;
}
+ if (width != s->last_width || height != s->last_height ||
+ cw != s->last_cw || cheight != s->last_ch) {
+ s->last_scr_width = width * cw;
+ s->last_scr_height = height * cheight;
+ s->ds->surface->width = width;
+ s->ds->surface->height = height;
+ dpy_resize(s->ds);
+ s->last_width = width;
+ s->last_height = height;
+ s->last_ch = cheight;
+ s->last_cw = cw;
+ full_update = 1;
+ }
+
/* Update "hardware" cursor */
cursor_offset = ((s->cr[0x0e] << 8) | s->cr[0x0f]) - s->start_addr;
if (cursor_offset != s->cursor_offset ||
#endif
/* force refresh */
- vga_update_resolution(s);
- s->want_full_update = 1;
+ s->graphic_mode = -1;
return 0;
}
}
}
-void vga_dirty_log_stop(VGAState *s)
-{
- if (kvm_enabled() && s->map_addr)
- kvm_log_stop(s->map_addr, s->map_end - s->map_addr);
-
- if (kvm_enabled() && s->lfb_vram_mapped) {
- kvm_log_stop(isa_mem_base + 0xa0000, 0x8000);
- kvm_log_stop(isa_mem_base + 0xa8000, 0x8000);
- }
-}
-
static void vga_map(PCIDevice *pci_dev, int region_num,
uint32_t addr, uint32_t size, int type)
{
cpu_register_physical_memory(addr, s->bios_size, s->bios_offset);
} else {
cpu_register_physical_memory(addr, s->vram_size, s->vram_offset);
+ s->map_addr = addr;
+ s->map_end = addr + s->vram_size;
+ vga_dirty_log_start(s);
}
-
- s->map_addr = addr;
- s->map_end = addr + VGA_RAM_SIZE;
-
- vga_dirty_log_start(s);
}
-void vga_common_init(VGAState *s, uint8_t *vga_ram_base,
- ram_addr_t vga_ram_offset, int vga_ram_size)
+void vga_common_init(VGAState *s, int vga_ram_size)
{
int i, j, v, b;
expand4to8[i] = v;
}
- s->vram_ptr = vga_ram_base;
- s->vram_offset = vga_ram_offset;
+ s->vram_offset = qemu_ram_alloc(vga_ram_size);
+ s->vram_ptr = qemu_get_ram_ptr(s->vram_offset);
s->vram_size = vga_ram_size;
s->get_bpp = vga_get_bpp;
s->get_offsets = vga_get_offsets;
{
int vga_io_memory;
- qemu_register_reset(vga_reset, s);
+ qemu_register_reset(vga_reset, 0, s);
register_savevm("vga", 0, 2, vga_save, vga_load, s);
register_ioport_write(0x3c0, 16, 1, vga_ioport_write, s);
qemu_register_coalesced_mmio(vram_base + 0x000a0000, 0x20000);
}
-int isa_vga_init(uint8_t *vga_ram_base,
- unsigned long vga_ram_offset, int vga_ram_size)
+int isa_vga_init(void)
{
VGAState *s;
s = qemu_mallocz(sizeof(VGAState));
- vga_common_init(s, vga_ram_base, vga_ram_offset, vga_ram_size);
+ vga_common_init(s, VGA_RAM_SIZE);
vga_init(s);
s->ds = graphic_console_init(s->update, s->invalidate,
#ifdef CONFIG_BOCHS_VBE
/* XXX: use optimized standard vga accesses */
cpu_register_physical_memory(VBE_DISPI_LFB_PHYSICAL_ADDRESS,
- vga_ram_size, vga_ram_offset);
+ VGA_RAM_SIZE, s->vram_offset);
#endif
return 0;
}
-int isa_vga_mm_init(uint8_t *vga_ram_base,
- unsigned long vga_ram_offset, int vga_ram_size,
- target_phys_addr_t vram_base, target_phys_addr_t ctrl_base,
- int it_shift)
+int isa_vga_mm_init(target_phys_addr_t vram_base,
+ target_phys_addr_t ctrl_base, int it_shift)
{
VGAState *s;
s = qemu_mallocz(sizeof(VGAState));
- vga_common_init(s, vga_ram_base, vga_ram_offset, vga_ram_size);
+ vga_common_init(s, VGA_RAM_SIZE);
vga_mm_init(s, vram_base, ctrl_base, it_shift);
s->ds = graphic_console_init(s->update, s->invalidate,
#ifdef CONFIG_BOCHS_VBE
/* XXX: use optimized standard vga accesses */
cpu_register_physical_memory(VBE_DISPI_LFB_PHYSICAL_ADDRESS,
- vga_ram_size, vga_ram_offset);
+ VGA_RAM_SIZE, s->vram_offset);
#endif
return 0;
}
PCIVGAState *pvs = container_of(d, PCIVGAState, dev);
VGAState *s = &pvs->vga_state;
- vga_dirty_log_stop(s);
pci_default_write_config(d, address, val, len);
- vga_dirty_log_start(s);
+ if (s->map_addr && pvs->dev.io_regions[0].addr == -1)
+ s->map_addr = 0;
}
-int pci_vga_init(PCIBus *bus, uint8_t *vga_ram_base,
- unsigned long vga_ram_offset, int vga_ram_size,
+int pci_vga_init(PCIBus *bus,
unsigned long vga_bios_offset, int vga_bios_size)
{
PCIVGAState *d;
return -1;
s = &d->vga_state;
- vga_common_init(s, vga_ram_base, vga_ram_offset, vga_ram_size);
+ vga_common_init(s, VGA_RAM_SIZE);
vga_init(s);
s->ds = graphic_console_init(s->update, s->invalidate,
pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_QEMU);
pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_QEMU_VGA);
pci_config_set_class(pci_conf, PCI_CLASS_DISPLAY_VGA);
- pci_conf[0x0e] = 0x00; // header_type
+ pci_conf[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
- /* XXX: vga_ram_size must be a power of two */
- pci_register_io_region(&d->dev, 0, vga_ram_size,
+ /* XXX: VGA_RAM_SIZE must be a power of two */
+ pci_register_io_region(&d->dev, 0, VGA_RAM_SIZE,
PCI_ADDRESS_SPACE_MEM_PREFETCH, vga_map);
if (vga_bios_size != 0) {
unsigned int bios_total_size;
ds->surface = qemu_create_displaysurface(ds, w, h);
s->ds = ds;
- vga_update_resolution(s);
- s->want_full_update = 1;
+ s->graphic_mode = -1;
vga_update_display(s);
ppm_save(filename, ds->surface);
{
VGAState *s = (VGAState *)opaque;
- switch (s->graphic_mode) {
- case GMODE_TEXT:
- vga_screen_dump_text(s, filename);
- break;
- case GMODE_GRAPH:
- vga_screen_dump_graphic(s, filename);
- break;
- case GMODE_BLANK:
- default:
+ if (!(s->ar_index & 0x20))
vga_screen_dump_blank(s, filename);
- break;
- }
+ else if (s->gr[6] & 1)
+ vga_screen_dump_graphic(s, filename);
+ else
+ vga_screen_dump_text(s, filename);
+ vga_invalidate_display(s);
}
projects / qemu / blobdiff