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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3173 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths 2007-09-16 21:08:06 +00:00
parent bd494f4cbd
commit 5fafdf24ef
327 changed files with 4737 additions and 4738 deletions
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174
hw/vga.c
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@ -1,8 +1,8 @@
/*
* QEMU VGA Emulator.
*
*
* Copyright (c) 2003 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
@ -166,7 +166,7 @@ static uint32_t vga_ioport_read(void *opaque, uint32_t addr)
break;
case 0x3c1:
index = s->ar_index & 0x1f;
if (index < 21)
if (index < 21)
val = s->ar[index];
else
val = 0;
@ -390,11 +390,11 @@ static uint32_t vbe_ioport_read_data(void *opaque, uint32_t addr)
val = VBE_DISPI_MAX_BPP;
break;
default:
val = s->vbe_regs[s->vbe_index];
val = s->vbe_regs[s->vbe_index];
break;
}
} else {
val = s->vbe_regs[s->vbe_index];
val = s->vbe_regs[s->vbe_index];
}
} else {
val = 0;
@ -442,7 +442,7 @@ static void vbe_ioport_write_data(void *opaque, uint32_t addr, uint32_t val)
case VBE_DISPI_INDEX_BPP:
if (val == 0)
val = 8;
if (val == 4 || val == 8 || val == 15 ||
if (val == 4 || val == 8 || val == 15 ||
val == 16 || val == 24 || val == 32) {
s->vbe_regs[s->vbe_index] = val;
}
@ -461,26 +461,26 @@ static void vbe_ioport_write_data(void *opaque, uint32_t addr, uint32_t val)
!(s->vbe_regs[VBE_DISPI_INDEX_ENABLE] & VBE_DISPI_ENABLED)) {
int h, shift_control;
s->vbe_regs[VBE_DISPI_INDEX_VIRT_WIDTH] =
s->vbe_regs[VBE_DISPI_INDEX_VIRT_WIDTH] =
s->vbe_regs[VBE_DISPI_INDEX_XRES];
s->vbe_regs[VBE_DISPI_INDEX_VIRT_HEIGHT] =
s->vbe_regs[VBE_DISPI_INDEX_VIRT_HEIGHT] =
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
s->vbe_line_offset = s->vbe_regs[VBE_DISPI_INDEX_XRES] *
s->vbe_line_offset = s->vbe_regs[VBE_DISPI_INDEX_XRES] *
((s->vbe_regs[VBE_DISPI_INDEX_BPP] + 7) >> 3);
s->vbe_start_addr = 0;
/* clear the screen (should be done in BIOS) */
if (!(val & VBE_DISPI_NOCLEARMEM)) {
memset(s->vram_ptr, 0,
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 */
@ -491,13 +491,13 @@ static void vbe_ioport_write_data(void *opaque, uint32_t addr, uint32_t val)
/* height (only meaningful if < 1024) */
h = s->vbe_regs[VBE_DISPI_INDEX_YRES] - 1;
s->cr[0x12] = h;
s->cr[0x07] = (s->cr[0x07] & ~0x42) |
s->cr[0x07] = (s->cr[0x07] & ~0x42) |
((h >> 7) & 0x02) | ((h >> 3) & 0x40);
/* line compare to 1023 */
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;
@ -767,11 +767,11 @@ void vga_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
mask = s->sr[2];
s->plane_updated |= mask; /* only used to detect font change */
write_mask = mask16[mask];
((uint32_t *)s->vram_ptr)[addr] =
(((uint32_t *)s->vram_ptr)[addr] & ~write_mask) |
((uint32_t *)s->vram_ptr)[addr] =
(((uint32_t *)s->vram_ptr)[addr] & ~write_mask) |
(val & write_mask);
#ifdef DEBUG_VGA_MEM
printf("vga: latch: [0x%x] mask=0x%08x val=0x%08x\n",
printf("vga: latch: [0x%x] mask=0x%08x val=0x%08x\n",
addr * 4, write_mask, val);
#endif
cpu_physical_memory_set_dirty(s->vram_offset + (addr << 2));
@ -808,9 +808,9 @@ typedef void vga_draw_glyph8_func(uint8_t *d, int linesize,
const uint8_t *font_ptr, int h,
uint32_t fgcol, uint32_t bgcol);
typedef void vga_draw_glyph9_func(uint8_t *d, int linesize,
const uint8_t *font_ptr, int h,
const uint8_t *font_ptr, int h,
uint32_t fgcol, uint32_t bgcol, int dup9);
typedef void vga_draw_line_func(VGAState *s1, uint8_t *d,
typedef void vga_draw_line_func(VGAState *s1, uint8_t *d,
const uint8_t *s, int width);
#define DEPTH 8
@ -909,8 +909,8 @@ static int update_palette16(VGAState *s)
else
v = ((s->ar[0x14] & 0xc) << 4) | (v & 0x3f);
v = v * 3;
col = s->rgb_to_pixel(c6_to_8(s->palette[v]),
c6_to_8(s->palette[v + 1]),
col = s->rgb_to_pixel(c6_to_8(s->palette[v]),
c6_to_8(s->palette[v + 1]),
c6_to_8(s->palette[v + 2]));
if (col != palette[i]) {
full_update = 1;
@ -931,12 +931,12 @@ static int update_palette256(VGAState *s)
v = 0;
for(i = 0; i < 256; i++) {
if (s->dac_8bit) {
col = s->rgb_to_pixel(s->palette[v],
s->palette[v + 1],
col = s->rgb_to_pixel(s->palette[v],
s->palette[v + 1],
s->palette[v + 2]);
} else {
col = s->rgb_to_pixel(c6_to_8(s->palette[v]),
c6_to_8(s->palette[v + 1]),
col = s->rgb_to_pixel(c6_to_8(s->palette[v]),
c6_to_8(s->palette[v + 1]),
c6_to_8(s->palette[v + 2]));
}
if (col != palette[i]) {
@ -948,8 +948,8 @@ static int update_palette256(VGAState *s)
return full_update;
}
static void vga_get_offsets(VGAState *s,
uint32_t *pline_offset,
static void vga_get_offsets(VGAState *s,
uint32_t *pline_offset,
uint32_t *pstart_addr,
uint32_t *pline_compare)
{
@ -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;
@ -970,7 +970,7 @@ static void vga_get_offsets(VGAState *s,
start_addr = s->cr[0x0d] | (s->cr[0x0c] << 8);
/* line compare */
line_compare = s->cr[0x18] |
line_compare = s->cr[0x18] |
((s->cr[0x07] & 0x10) << 4) |
((s->cr[0x09] & 0x40) << 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,
@ -1073,13 +1073,13 @@ 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
/*
* Text mode update
* Missing:
* - double scan
* - double width
* - double width
* - underline
* - flashing
*/
@ -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;
@ -1138,8 +1138,8 @@ static void vga_draw_text(VGAState *s, int full_update)
/* ugly hack for CGA 160x100x16 - explain me the logic */
height = 100;
} else {
height = s->cr[0x12] |
((s->cr[0x07] & 0x02) << 7) |
height = s->cr[0x12] |
((s->cr[0x07] & 0x02) << 7) |
((s->cr[0x07] & 0x40) << 3);
height = (height + 1) / cheight;
}
@ -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;
@ -1210,13 +1210,13 @@ static void vga_draw_text(VGAState *s, int full_update)
bgcol = palette[cattr >> 4];
fgcol = palette[cattr & 0x0f];
if (cw != 9) {
vga_draw_glyph8(d1, linesize,
vga_draw_glyph8(d1, linesize,
font_ptr, cheight, fgcol, bgcol);
} else {
dup9 = 0;
if (ch >= 0xb0 && ch <= 0xdf && (s->ar[0x10] & 0x04))
dup9 = 1;
vga_draw_glyph9(d1, linesize,
vga_draw_glyph9(d1, linesize,
font_ptr, cheight, fgcol, bgcol, dup9);
}
if (src == cursor_ptr &&
@ -1232,10 +1232,10 @@ static void vga_draw_text(VGAState *s, int full_update)
h = line_last - line_start + 1;
d = d1 + linesize * line_start;
if (cw != 9) {
vga_draw_glyph8(d, linesize,
vga_draw_glyph8(d, linesize,
cursor_glyph, h, fgcol, bgcol);
} else {
vga_draw_glyph9(d, linesize,
vga_draw_glyph9(d, linesize,
cursor_glyph, h, fgcol, bgcol, 1);
}
}
@ -1246,7 +1246,7 @@ static void vga_draw_text(VGAState *s, int full_update)
ch_attr_ptr++;
}
if (cx_max != -1) {
dpy_update(s->ds, cx_min * cw, cy * cheight,
dpy_update(s->ds, cx_min * cw, cy * cheight,
(cx_max - cx_min + 1) * cw, cheight);
}
dest += linesize * cheight;
@ -1368,7 +1368,7 @@ static int vga_get_bpp(VGAState *s)
#ifdef CONFIG_BOCHS_VBE
if (s->vbe_regs[VBE_DISPI_INDEX_ENABLE] & VBE_DISPI_ENABLED) {
ret = s->vbe_regs[VBE_DISPI_INDEX_BPP];
} else
} else
#endif
{
ret = 0;
@ -1379,17 +1379,17 @@ 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];
height = s->vbe_regs[VBE_DISPI_INDEX_YRES];
} else
} else
#endif
{
width = (s->cr[0x01] + 1) * 8;
height = s->cr[0x12] |
((s->cr[0x07] & 0x02) << 7) |
height = s->cr[0x12] |
((s->cr[0x07] & 0x02) << 7) |
((s->cr[0x07] & 0x40) << 3);
height = (height + 1);
}
@ -1409,7 +1409,7 @@ void vga_invalidate_scanlines(VGAState *s, int y1, int y2)
}
}
/*
/*
* graphic modes
*/
static void vga_draw_graphic(VGAState *s, int full_update)
@ -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",
@ -1524,12 +1524,12 @@ static void vga_draw_graphic(VGAState *s, int full_update)
}
page0 = s->vram_offset + (addr & TARGET_PAGE_MASK);
page1 = s->vram_offset + ((addr + bwidth - 1) & TARGET_PAGE_MASK);
update = full_update |
update = full_update |
cpu_physical_memory_get_dirty(page0, VGA_DIRTY_FLAG) |
cpu_physical_memory_get_dirty(page1, VGA_DIRTY_FLAG);
if ((page1 - page0) > TARGET_PAGE_SIZE) {
/* if wide line, can use another page */
update |= cpu_physical_memory_get_dirty(page0 + TARGET_PAGE_SIZE,
update |= cpu_physical_memory_get_dirty(page0 + TARGET_PAGE_SIZE,
VGA_DIRTY_FLAG);
}
/* explicit invalidation for the hardware cursor */
@ -1547,7 +1547,7 @@ static void vga_draw_graphic(VGAState *s, int full_update)
} else {
if (y_start >= 0) {
/* flush to display */
dpy_update(s->ds, 0, y_start,
dpy_update(s->ds, 0, y_start,
disp_width, y - y_start);
y_start = -1;
}
@ -1568,7 +1568,7 @@ static void vga_draw_graphic(VGAState *s, int full_update)
}
if (y_start >= 0) {
/* flush to display */
dpy_update(s->ds, 0, y_start,
dpy_update(s->ds, 0, y_start,
disp_width, y - y_start);
}
/* reset modified pages */
@ -1588,7 +1588,7 @@ static void vga_draw_blank(VGAState *s, int full_update)
return;
if (s->last_scr_width <= 0 || s->last_scr_height <= 0)
return;
if (s->ds->depth == 8)
if (s->ds->depth == 8)
val = s->rgb_to_pixel(0, 0, 0);
else
val = 0;
@ -1598,13 +1598,13 @@ static void vga_draw_blank(VGAState *s, int full_update)
memset(d, val, w);
d += s->ds->linesize;
}
dpy_update(s->ds, 0, 0,
dpy_update(s->ds, 0, 0,
s->last_scr_width, s->last_scr_height);
}
#define GMODE_TEXT 0
#define GMODE_GRAPH 1
#define GMODE_BLANK 2
#define GMODE_BLANK 2
static void vga_update_display(void *opaque)
{
@ -1614,9 +1614,9 @@ static void vga_update_display(void *opaque)
if (s->ds->depth == 0) {
/* nothing to do */
} else {
s->rgb_to_pixel =
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;
}
@ -1775,7 +1775,7 @@ typedef struct PCIVGAState {
VGAState vga_state;
} PCIVGAState;
static void vga_map(PCIDevice *pci_dev, int region_num,
static void vga_map(PCIDevice *pci_dev, int region_num,
uint32_t addr, uint32_t size, int type)
{
PCIVGAState *d = (PCIVGAState *)pci_dev;
@ -1787,7 +1787,7 @@ static void vga_map(PCIDevice *pci_dev, int region_num,
}
}
void vga_common_init(VGAState *s, DisplayState *ds, uint8_t *vga_ram_base,
void vga_common_init(VGAState *s, DisplayState *ds, uint8_t *vga_ram_base,
unsigned long vga_ram_offset, int vga_ram_size)
{
int i, j, v, b;
@ -1866,7 +1866,7 @@ void vga_init(VGAState *s)
register_ioport_read(0xff81, 1, 2, vbe_ioport_read_data, s);
register_ioport_write(0xff80, 1, 2, vbe_ioport_write_index, s);
register_ioport_write(0xff81, 1, 2, vbe_ioport_write_data, s);
register_ioport_write(0xff81, 1, 2, vbe_ioport_write_data, s);
#else
register_ioport_read(0x1ce, 1, 2, vbe_ioport_read_index, s);
register_ioport_read(0x1d0, 1, 2, vbe_ioport_read_data, s);
@ -1877,7 +1877,7 @@ void vga_init(VGAState *s)
#endif /* CONFIG_BOCHS_VBE */
vga_io_memory = cpu_register_io_memory(0, vga_mem_read, vga_mem_write, s);
cpu_register_physical_memory(isa_mem_base + 0x000a0000, 0x20000,
cpu_register_physical_memory(isa_mem_base + 0x000a0000, 0x20000,
vga_io_memory);
}
@ -1956,7 +1956,7 @@ static void vga_mm_init(VGAState *s, target_phys_addr_t vram_base,
cpu_register_physical_memory(vram_base + 0x000a0000, 0x20000, vga_io_memory);
}
int isa_vga_init(DisplayState *ds, uint8_t *vga_ram_base,
int isa_vga_init(DisplayState *ds, uint8_t *vga_ram_base,
unsigned long vga_ram_offset, int vga_ram_size)
{
VGAState *s;
@ -1972,7 +1972,7 @@ int isa_vga_init(DisplayState *ds, uint8_t *vga_ram_base,
#ifdef CONFIG_BOCHS_VBE
/* XXX: use optimized standard vga accesses */
cpu_register_physical_memory(VBE_DISPI_LFB_PHYSICAL_ADDRESS,
cpu_register_physical_memory(VBE_DISPI_LFB_PHYSICAL_ADDRESS,
vga_ram_size, vga_ram_offset);
#endif
return 0;
@ -2002,39 +2002,39 @@ int isa_vga_mm_init(DisplayState *ds, uint8_t *vga_ram_base,
return 0;
}
int pci_vga_init(PCIBus *bus, DisplayState *ds, uint8_t *vga_ram_base,
int pci_vga_init(PCIBus *bus, DisplayState *ds, uint8_t *vga_ram_base,
unsigned long vga_ram_offset, int vga_ram_size,
unsigned long vga_bios_offset, int vga_bios_size)
{
PCIVGAState *d;
VGAState *s;
uint8_t *pci_conf;
d = (PCIVGAState *)pci_register_device(bus, "VGA",
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;
pci_conf[0x02] = 0x11;
pci_conf[0x03] = 0x11;
pci_conf[0x0a] = 0x00; // VGA controller
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_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;
@ -2044,7 +2044,7 @@ int pci_vga_init(PCIBus *bus, DisplayState *ds, uint8_t *vga_ram_base,
bios_total_size = 1;
while (bios_total_size < vga_bios_size)
bios_total_size <<= 1;
pci_register_io_region(&d->dev, PCI_ROM_SLOT, bios_total_size,
pci_register_io_region(&d->dev, PCI_ROM_SLOT, bios_total_size,
PCI_ADDRESS_SPACE_MEM_PREFETCH, vga_map);
}
return 0;
@ -2055,7 +2055,7 @@ int pci_vga_init(PCIBus *bus, DisplayState *ds, uint8_t *vga_ram_base,
static int vga_save_w, vga_save_h;
static void vga_save_dpy_update(DisplayState *s,
static void vga_save_dpy_update(DisplayState *s,
int x, int y, int w, int h)
{
}
@ -2072,7 +2072,7 @@ static void vga_save_dpy_refresh(DisplayState *s)
{
}
int ppm_save(const char *filename, uint8_t *data,
int ppm_save(const char *filename, uint8_t *data,
int w, int h, int linesize)
{
FILE *f;
@ -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;
@ -2121,9 +2121,9 @@ 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,
ppm_save(filename, ds->data, vga_save_w, vga_save_h,
s->ds->linesize);
qemu_free(ds->data);
}