diff options
Diffstat (limited to 'hw/vga.c')
| -rw-r--r-- | hw/vga.c | 50 |
1 files changed, 25 insertions, 25 deletions
@@ -467,7 +467,7 @@ static void vbe_ioport_write_data(void *opaque, uint32_t addr, uint32_t val) s->vbe_regs[VBE_DISPI_INDEX_YRES]; s->vbe_regs[VBE_DISPI_INDEX_X_OFFSET] = 0; s->vbe_regs[VBE_DISPI_INDEX_Y_OFFSET] = 0; - + if (s->vbe_regs[VBE_DISPI_INDEX_BPP] == 4) s->vbe_line_offset = s->vbe_regs[VBE_DISPI_INDEX_XRES] >> 1; else @@ -480,7 +480,7 @@ static void vbe_ioport_write_data(void *opaque, uint32_t addr, uint32_t val) memset(s->vram_ptr, 0, s->vbe_regs[VBE_DISPI_INDEX_YRES] * s->vbe_line_offset); } - + /* we initialize the VGA graphic mode (should be done in BIOS) */ s->gr[0x06] = (s->gr[0x06] & ~0x0c) | 0x05; /* graphic mode + memory map 1 */ @@ -497,7 +497,7 @@ static void vbe_ioport_write_data(void *opaque, uint32_t addr, uint32_t val) s->cr[0x18] = 0xff; s->cr[0x07] |= 0x10; s->cr[0x09] |= 0x40; - + if (s->vbe_regs[VBE_DISPI_INDEX_BPP] == 4) { shift_control = 0; s->sr[0x01] &= ~8; /* no double line */ @@ -562,7 +562,7 @@ uint32_t vga_mem_readb(void *opaque, target_phys_addr_t addr) VGAState *s = opaque; int memory_map_mode, plane; uint32_t ret; - + /* convert to VGA memory offset */ memory_map_mode = (s->gr[6] >> 2) & 3; addr &= 0x1ffff; @@ -586,7 +586,7 @@ uint32_t vga_mem_readb(void *opaque, target_phys_addr_t addr) return 0xff; break; } - + if (s->sr[4] & 0x08) { /* chain 4 mode : simplest access */ ret = s->vram_ptr[addr]; @@ -676,7 +676,7 @@ void vga_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val) return; break; } - + if (s->sr[4] & 0x08) { /* chain 4 mode : simplest access */ plane = addr & 3; @@ -961,7 +961,7 @@ static void vga_get_offsets(VGAState *s, line_compare = 65535; } else #endif - { + { /* compute line_offset in bytes */ line_offset = s->cr[0x13]; line_offset <<= 3; @@ -984,7 +984,7 @@ static int update_basic_params(VGAState *s) { int full_update; uint32_t start_addr, line_offset, line_compare; - + full_update = 0; s->get_offsets(s, &line_offset, &start_addr, &line_compare); @@ -1055,7 +1055,7 @@ static vga_draw_glyph9_func *vga_draw_glyph9_table[NB_DEPTHS] = { vga_draw_glyph9_16, vga_draw_glyph9_16, }; - + static const uint8_t cursor_glyph[32 * 4] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, @@ -1073,7 +1073,7 @@ static const uint8_t cursor_glyph[32 * 4] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, -}; +}; /* * Text mode update @@ -1098,7 +1098,7 @@ static void vga_draw_text(VGAState *s, int full_update) full_update |= update_palette16(s); palette = s->last_palette; - + /* compute font data address (in plane 2) */ v = s->sr[3]; offset = (((v >> 4) & 1) | ((v << 1) & 6)) * 8192 * 4 + 2; @@ -1174,14 +1174,14 @@ static void vga_draw_text(VGAState *s, int full_update) s->cursor_end = s->cr[0xb]; } cursor_ptr = s->vram_ptr + (s->start_addr + cursor_offset) * 4; - + depth_index = get_depth_index(s->ds); if (cw == 16) vga_draw_glyph8 = vga_draw_glyph16_table[depth_index]; else vga_draw_glyph8 = vga_draw_glyph8_table[depth_index]; vga_draw_glyph9 = vga_draw_glyph9_table[depth_index]; - + dest = s->ds->data; linesize = s->ds->linesize; ch_attr_ptr = s->last_ch_attr; @@ -1379,7 +1379,7 @@ static int vga_get_bpp(VGAState *s) static void vga_get_resolution(VGAState *s, int *pwidth, int *pheight) { int width, height; - + #ifdef CONFIG_BOCHS_VBE if (s->vbe_regs[VBE_DISPI_INDEX_ENABLE] & VBE_DISPI_ENABLED) { width = s->vbe_regs[VBE_DISPI_INDEX_XRES]; @@ -1420,7 +1420,7 @@ static void vga_draw_graphic(VGAState *s, int full_update) uint8_t *d; uint32_t v, addr1, addr; vga_draw_line_func *vga_draw_line; - + full_update |= update_basic_params(s); s->get_resolution(s, &width, &height); @@ -1442,7 +1442,7 @@ static void vga_draw_graphic(VGAState *s, int full_update) s->shift_control = shift_control; s->double_scan = double_scan; } - + if (shift_control == 0) { full_update |= update_palette16(s); if (s->sr[0x01] & 8) { @@ -1497,7 +1497,7 @@ static void vga_draw_graphic(VGAState *s, int full_update) } if (s->cursor_invalidate) s->cursor_invalidate(s); - + line_offset = s->line_offset; #if 0 printf("w=%d h=%d v=%d line_offset=%d cr[0x09]=0x%02x cr[0x17]=0x%02x linecmp=%d sr[0x01]=0x%02x\n", @@ -1616,7 +1616,7 @@ static void vga_update_display(void *opaque) } 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; @@ -1646,7 +1646,7 @@ static void vga_update_display(void *opaque) static void vga_invalidate_display(void *opaque) { VGAState *s = (VGAState *)opaque; - + s->last_width = -1; s->last_height = -1; } @@ -2009,21 +2009,21 @@ int pci_vga_init(PCIBus *bus, DisplayState *ds, uint8_t *vga_ram_base, PCIVGAState *d; VGAState *s; uint8_t *pci_conf; - + d = (PCIVGAState *)pci_register_device(bus, "VGA", sizeof(PCIVGAState), -1, NULL, NULL); if (!d) return -1; s = &d->vga_state; - + vga_common_init(s, ds, vga_ram_base, vga_ram_offset, vga_ram_size); vga_init(s); graphic_console_init(s->ds, s->update, s->invalidate, s->screen_dump, s); s->pci_dev = &d->dev; - + pci_conf = d->dev.config; pci_conf[0x00] = 0x34; // dummy VGA (same as Bochs ID) pci_conf[0x01] = 0x12; @@ -2032,7 +2032,7 @@ int pci_vga_init(PCIBus *bus, DisplayState *ds, uint8_t *vga_ram_base, pci_conf[0x0a] = 0x00; // VGA controller pci_conf[0x0b] = 0x03; pci_conf[0x0e] = 0x00; // header_type - + /* 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); @@ -2107,7 +2107,7 @@ static void vga_screen_dump(void *opaque, const char *filename) { VGAState *s = (VGAState *)opaque; DisplayState *saved_ds, ds1, *ds = &ds1; - + /* XXX: this is a little hackish */ vga_invalidate_display(s); saved_ds = s->ds; @@ -2121,7 +2121,7 @@ static void vga_screen_dump(void *opaque, const char *filename) s->ds = ds; s->graphic_mode = -1; vga_update_display(s); - + if (ds->data) { ppm_save(filename, ds->data, vga_save_w, vga_save_h, s->ds->linesize); |