#include "vga_int.h"
#include "pixel_ops.h"
#include "qemu-timer.h"
+#include "kvm.h"
//#define DEBUG_VGA
//#define DEBUG_VGA_MEM
case 8:
return 0;
case 15:
- if (s->bgr)
- return 5;
- else
- return 1;
+ return 1;
case 16:
- if (s->bgr)
- return 6;
- else
- return 2;
+ return 2;
case 32:
- if (s->bgr)
- return 4;
- else
- return 3;
+ return 3;
}
}
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
};
+static void vga_get_text_resolution(VGAState *s, int *pwidth, int *pheight,
+ int *pcwidth, int *pcheight)
+{
+ int width, cwidth, height, cheight;
+
+ /* total width & height */
+ cheight = (s->cr[9] & 0x1f) + 1;
+ cwidth = 8;
+ if (!(s->sr[1] & 0x01))
+ cwidth = 9;
+ if (s->sr[1] & 0x08)
+ cwidth = 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;
+ }
+
+ *pwidth = width;
+ *pheight = height;
+ *pcwidth = cwidth;
+ *pcheight = cheight;
+}
+
+typedef unsigned int rgb_to_pixel_dup_func(unsigned int r, unsigned int g, unsigned b);
+
+static rgb_to_pixel_dup_func *rgb_to_pixel_dup_table[NB_DEPTHS];
+
/*
* Text mode update
* Missing:
vga_draw_glyph8_func *vga_draw_glyph8;
vga_draw_glyph9_func *vga_draw_glyph9;
- full_update |= update_palette16(s);
- palette = s->last_palette;
+ vga_dirty_log_stop(s);
/* compute font data address (in plane 2) */
v = s->sr[3];
line_offset = s->line_offset;
s1 = s->vram_ptr + (s->start_addr * 4);
- /* 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 */
+ vga_get_text_resolution(s, &width, &height, &cw, &cheight);
x_incr = cw * ((ds_get_bits_per_pixel(s->ds) + 7) >> 3);
- 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;
- }
if ((height * width) > CH_ATTR_SIZE) {
/* better than nothing: exit if transient size is too big */
return;
}
if (width != s->last_width || height != s->last_height ||
- cw != s->last_cw || cheight != s->last_ch) {
+ 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->console, 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);
+ palette = s->last_palette;
+ x_incr = cw * ((ds_get_bits_per_pixel(s->ds) + 7) >> 3);
+
cursor_offset = ((s->cr[0x0e] << 8) | s->cr[0x0f]) - s->start_addr;
if (cursor_offset != s->cursor_offset ||
s->cr[0xa] != s->cursor_start ||
vga_draw_line32_16bgr,
};
-typedef unsigned int rgb_to_pixel_dup_func(unsigned int r, unsigned int g, unsigned b);
-
static rgb_to_pixel_dup_func *rgb_to_pixel_dup_table[NB_DEPTHS] = {
rgb_to_pixel8_dup,
rgb_to_pixel15_dup,
}
}
+static void vga_sync_dirty_bitmap(VGAState *s)
+{
+ if (s->map_addr)
+ cpu_physical_sync_dirty_bitmap(s->map_addr, s->map_end);
+
+ if (s->lfb_vram_mapped) {
+ 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);
+}
+
/*
* graphic modes
*/
static void vga_draw_graphic(VGAState *s, int full_update)
{
- int y1, y, update, page_min, page_max, linesize, y_start, double_scan, mask;
+ int y1, y, update, page_min, page_max, linesize, y_start, double_scan, mask, depth;
int width, height, shift_control, line_offset, page0, page1, bwidth, bits;
int disp_width, multi_scan, multi_run;
uint8_t *d;
full_update |= update_basic_params(s);
+ if (!full_update)
+ vga_sync_dirty_bitmap(s);
+
s->get_resolution(s, &width, &height);
disp_width = width;
}
vga_draw_line = vga_draw_line_table[v * NB_DEPTHS + get_depth_index(s->ds)];
- if (disp_width != s->last_width ||
- height != s->last_height) {
- qemu_console_resize(s->console, disp_width, height);
+ 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) {
+ if (depth == 16 || depth == 32) {
+ if (is_graphic_console()) {
+ qemu_free_displaysurface(s->ds->surface);
+ s->ds->surface = qemu_create_displaysurface_from(disp_width, height, depth,
+ s->line_offset,
+ s->vram_ptr + (s->start_addr * 4));
+ dpy_resize(s->ds);
+ } else {
+ qemu_console_resize(s->console, disp_width, height);
+ }
+ } else {
+ qemu_console_resize(s->console, disp_width, height);
+ }
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;
full_update = 1;
+ } else if (is_graphic_console() && 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);
}
- if (s->cursor_invalidate)
+
+ s->rgb_to_pixel =
+ rgb_to_pixel_dup_table[get_depth_index(s->ds)];
+
+ if (!is_buffer_shared(s->ds->surface) && s->cursor_invalidate)
s->cursor_invalidate(s);
line_offset = s->line_offset;
page_min = page0;
if (page1 > page_max)
page_max = page1;
- vga_draw_line(s, d, s->vram_ptr + addr, width);
- if (s->cursor_draw_line)
- s->cursor_draw_line(s, d, y);
+ if (!(is_buffer_shared(s->ds->surface))) {
+ vga_draw_line(s, d, s->vram_ptr + addr, width);
+ if (s->cursor_draw_line)
+ s->cursor_draw_line(s, d, y);
+ }
} else {
if (y_start >= 0) {
/* flush to display */
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)];
if (ds_get_bits_per_pixel(s->ds) == 8)
val = s->rgb_to_pixel(0, 0, 0);
else
if (ds_get_bits_per_pixel(s->ds) == 0) {
/* nothing to do */
} else {
- s->rgb_to_pixel =
- rgb_to_pixel_dup_table[get_depth_index(s->ds)];
-
full_update = 0;
if (!(s->ar_index & 0x20)) {
graphic_mode = GMODE_BLANK;
s->last_height = -1;
}
-static void vga_reset(VGAState *s)
+void vga_reset(void *opaque)
{
- memset(s, 0, sizeof(VGAState));
+ VGAState *s = (VGAState *) opaque;
+
+ s->lfb_addr = 0;
+ s->lfb_end = 0;
+ s->map_addr = 0;
+ s->map_end = 0;
+ s->lfb_vram_mapped = 0;
+ s->bios_offset = 0;
+ s->bios_size = 0;
+ s->sr_index = 0;
+ memset(s->sr, '\0', sizeof(s->sr));
+ s->gr_index = 0;
+ memset(s->gr, '\0', sizeof(s->gr));
+ s->ar_index = 0;
+ memset(s->ar, '\0', sizeof(s->ar));
+ s->ar_flip_flop = 0;
+ s->cr_index = 0;
+ memset(s->cr, '\0', sizeof(s->cr));
+ s->msr = 0;
+ s->fcr = 0;
+ s->st00 = 0;
+ s->st01 = 0;
+ s->dac_state = 0;
+ s->dac_sub_index = 0;
+ s->dac_read_index = 0;
+ s->dac_write_index = 0;
+ memset(s->dac_cache, '\0', sizeof(s->dac_cache));
+ s->dac_8bit = 0;
+ memset(s->palette, '\0', sizeof(s->palette));
+ s->bank_offset = 0;
+#ifdef CONFIG_BOCHS_VBE
+ s->vbe_index = 0;
+ memset(s->vbe_regs, '\0', sizeof(s->vbe_regs));
+ s->vbe_regs[VBE_DISPI_INDEX_ID] = VBE_DISPI_ID0;
+ s->vbe_start_addr = 0;
+ s->vbe_line_offset = 0;
+ 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;
+ s->line_compare = 0;
+ s->start_addr = 0;
+ s->plane_updated = 0;
+ s->last_cw = 0;
+ s->last_ch = 0;
+ s->last_width = 0;
+ s->last_height = 0;
+ s->last_scr_width = 0;
+ s->last_scr_height = 0;
+ s->cursor_start = 0;
+ s->cursor_end = 0;
+ s->cursor_offset = 0;
+ memset(s->invalidated_y_table, '\0', sizeof(s->invalidated_y_table));
+ memset(s->last_palette, '\0', sizeof(s->last_palette));
+ memset(s->last_ch_attr, '\0', sizeof(s->last_ch_attr));
+ switch (vga_retrace_method) {
+ case VGA_RETRACE_DUMB:
+ break;
+ case VGA_RETRACE_PRECISE:
+ memset(&s->retrace_info, 0, sizeof (s->retrace_info));
+ break;
+ }
}
#define TEXTMODE_X(x) ((x) % width)
cw != s->last_cw || cheight != s->last_ch) {
s->last_scr_width = width * cw;
s->last_scr_height = height * cheight;
- qemu_console_resize(s->console, width, height);
+ 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_width = 60;
s->last_height = height = 3;
dpy_cursor(s->ds, -1, -1);
- qemu_console_resize(s->console, s->last_width, height);
+ s->ds->surface->width = s->last_width;
+ s->ds->surface->height = height;
+ dpy_resize(s->ds);
for (dst = chardata, i = 0; i < s->last_width * height; i ++)
console_write_ch(dst ++, ' ');
VGAState vga_state;
} PCIVGAState;
+void vga_dirty_log_start(VGAState *s)
+{
+ if (kvm_enabled() && s->map_addr)
+ kvm_log_start(s->map_addr, s->map_end - s->map_addr);
+
+ if (kvm_enabled() && s->lfb_vram_mapped) {
+ kvm_log_start(isa_mem_base + 0xa0000, 0x8000);
+ kvm_log_start(isa_mem_base + 0xa8000, 0x8000);
+ }
+}
+
+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)
{
} else {
cpu_register_physical_memory(addr, s->vram_size, s->vram_offset);
}
+
+ s->map_addr = addr;
+ s->map_end = addr + VGA_RAM_SIZE;
+
+ vga_dirty_log_start(s);
}
void vga_common_init(VGAState *s, DisplayState *ds, uint8_t *vga_ram_base,
- unsigned long vga_ram_offset, int vga_ram_size)
+ ram_addr_t vga_ram_offset, int vga_ram_size)
{
int i, j, v, b;
expand4to8[i] = v;
}
- vga_reset(s);
-
s->vram_ptr = vga_ram_base;
s->vram_offset = vga_ram_offset;
s->vram_size = vga_ram_size;
case VGA_RETRACE_PRECISE:
s->retrace = vga_precise_retrace;
s->update_retrace_info = vga_precise_update_retrace_info;
- memset(&s->retrace_info, 0, sizeof (s->retrace_info));
break;
}
+ vga_reset(s);
}
/* used by both ISA and PCI */
{
int vga_io_memory;
+ qemu_register_reset(vga_reset, s);
register_savevm("vga", 0, 2, vga_save, vga_load, s);
register_ioport_write(0x3c0, 16, 1, vga_ioport_write, s);
s->bank_offset = 0;
#ifdef CONFIG_BOCHS_VBE
- s->vbe_regs[VBE_DISPI_INDEX_ID] = VBE_DISPI_ID0;
- s->vbe_bank_mask = ((s->vram_size >> 16) - 1);
#if defined (TARGET_I386)
register_ioport_read(0x1ce, 1, 2, vbe_ioport_read_index, s);
register_ioport_read(0x1cf, 1, 2, vbe_ioport_read_data, s);
vga_io_memory = cpu_register_io_memory(0, vga_mem_read, vga_mem_write, s);
cpu_register_physical_memory(isa_mem_base + 0x000a0000, 0x20000,
vga_io_memory);
+ qemu_register_coalesced_mmio(isa_mem_base + 0x000a0000, 0x20000);
}
/* Memory mapped interface */
{
VGAState *s = opaque;
- return vga_ioport_read(s, (addr - s->base_ctrl) >> s->it_shift) & 0xff;
+ return vga_ioport_read(s, addr >> s->it_shift) & 0xff;
}
static void vga_mm_writeb (void *opaque,
{
VGAState *s = opaque;
- vga_ioport_write(s, (addr - s->base_ctrl) >> s->it_shift, value & 0xff);
+ vga_ioport_write(s, addr >> s->it_shift, value & 0xff);
}
static uint32_t vga_mm_readw (void *opaque, target_phys_addr_t addr)
{
VGAState *s = opaque;
- return vga_ioport_read(s, (addr - s->base_ctrl) >> s->it_shift) & 0xffff;
+ return vga_ioport_read(s, addr >> s->it_shift) & 0xffff;
}
static void vga_mm_writew (void *opaque,
{
VGAState *s = opaque;
- vga_ioport_write(s, (addr - s->base_ctrl) >> s->it_shift, value & 0xffff);
+ vga_ioport_write(s, addr >> s->it_shift, value & 0xffff);
}
static uint32_t vga_mm_readl (void *opaque, target_phys_addr_t addr)
{
VGAState *s = opaque;
- return vga_ioport_read(s, (addr - s->base_ctrl) >> s->it_shift);
+ return vga_ioport_read(s, addr >> s->it_shift);
}
static void vga_mm_writel (void *opaque,
{
VGAState *s = opaque;
- vga_ioport_write(s, (addr - s->base_ctrl) >> s->it_shift, value);
+ vga_ioport_write(s, addr >> s->it_shift, value);
}
static CPUReadMemoryFunc *vga_mm_read_ctrl[] = {
{
int s_ioport_ctrl, vga_io_memory;
- s->base_ctrl = ctrl_base;
s->it_shift = it_shift;
s_ioport_ctrl = cpu_register_io_memory(0, vga_mm_read_ctrl, vga_mm_write_ctrl, s);
vga_io_memory = cpu_register_io_memory(0, vga_mem_read, vga_mem_write, s);
cpu_register_physical_memory(ctrl_base, 0x100000, s_ioport_ctrl);
s->bank_offset = 0;
cpu_register_physical_memory(vram_base + 0x000a0000, 0x20000, vga_io_memory);
+ qemu_register_coalesced_mmio(vram_base + 0x000a0000, 0x20000);
}
int isa_vga_init(DisplayState *ds, uint8_t *vga_ram_base,
{
}
-static void vga_save_dpy_resize(DisplayState *s, int w, int h)
+static void vga_save_dpy_resize(DisplayState *s)
{
- s->linesize = w * 4;
- s->data = qemu_mallocz(h * s->linesize);
- vga_save_w = w;
- vga_save_h = h;
}
static void vga_save_dpy_refresh(DisplayState *s)
return 0;
}
-/* save the vga display in a PPM image even if no display is
- available */
-static void vga_screen_dump(void *opaque, const char *filename)
+static void vga_screen_dump_blank(VGAState *s, const char *filename)
+{
+ FILE *f;
+ unsigned int y, x, w, h;
+
+ w = s->last_scr_width * sizeof(uint32_t);
+ h = s->last_scr_height;
+
+ f = fopen(filename, "wb");
+ if (!f)
+ return;
+ fprintf(f, "P6\n%d %d\n%d\n", w, h, 255);
+ for (y = 0; y < h; y++) {
+ for (x = 0; x < w; x++) {
+ fputc(0, f);
+ }
+ }
+ fclose(f);
+}
+
+static void vga_screen_dump_common(VGAState *s, const char *filename,
+ int w, int h)
{
- VGAState *s = (VGAState *)opaque;
DisplayState *saved_ds, ds1, *ds = &ds1;
+ DisplayChangeListener dcl;
/* XXX: this is a little hackish */
vga_invalidate_display(s);
saved_ds = s->ds;
memset(ds, 0, sizeof(DisplayState));
- ds->dpy_update = vga_save_dpy_update;
- ds->dpy_resize = vga_save_dpy_resize;
- ds->dpy_refresh = vga_save_dpy_refresh;
- ds->depth = 32;
+ memset(&dcl, 0, sizeof(DisplayChangeListener));
+ dcl.dpy_update = vga_save_dpy_update;
+ dcl.dpy_resize = vga_save_dpy_resize;
+ dcl.dpy_refresh = vga_save_dpy_refresh;
+ register_displaychangelistener(ds, &dcl);
+ ds->surface = qemu_create_displaysurface(ds_get_width(saved_ds),
+ ds_get_height(saved_ds), 32, 4 * ds_get_width(saved_ds));
s->ds = ds;
s->graphic_mode = -1;
vga_update_display(s);
- if (ds_get_data(ds)) {
- ppm_save(filename, ds_get_data(ds), vga_save_w, vga_save_h,
- ds_get_linesize(s->ds));
- qemu_free(ds_get_data(ds));
- }
+ ppm_save(filename, ds_get_data(ds), vga_save_w, vga_save_h,
+ ds_get_linesize(ds));
+
+ qemu_free_displaysurface(ds->surface);
s->ds = saved_ds;
}
+
+static void vga_screen_dump_graphic(VGAState *s, const char *filename)
+{
+ int w, h;
+
+ s->get_resolution(s, &w, &h);
+ vga_screen_dump_common(s, filename, w, h);
+}
+
+static void vga_screen_dump_text(VGAState *s, const char *filename)
+{
+ int w, h, cwidth, cheight;
+
+ vga_get_text_resolution(s, &w, &h, &cwidth, &cheight);
+ vga_screen_dump_common(s, filename, w * cwidth, h * cheight);
+}
+
+/* save the vga display in a PPM image even if no display is
+ available */
+static void vga_screen_dump(void *opaque, const char *filename)
+{
+ VGAState *s = (VGAState *)opaque;
+
+ if (!(s->ar_index & 0x20))
+ vga_screen_dump_blank(s, filename);
+ else if (s->gr[6] & 1)
+ vga_screen_dump_graphic(s, filename);
+ else
+ vga_screen_dump_text(s, filename);
+}