root / hw / vga.c @ d36b66f7
History | View | Annotate | Download (71.8 kB)
1 | e89f66ec | bellard | /*
|
---|---|---|---|
2 | 4fa0f5d2 | bellard | * QEMU VGA Emulator.
|
3 | 5fafdf24 | ths | *
|
4 | e89f66ec | bellard | * Copyright (c) 2003 Fabrice Bellard
|
5 | 5fafdf24 | ths | *
|
6 | e89f66ec | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
|
7 | e89f66ec | bellard | * of this software and associated documentation files (the "Software"), to deal
|
8 | e89f66ec | bellard | * in the Software without restriction, including without limitation the rights
|
9 | e89f66ec | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
10 | e89f66ec | bellard | * copies of the Software, and to permit persons to whom the Software is
|
11 | e89f66ec | bellard | * furnished to do so, subject to the following conditions:
|
12 | e89f66ec | bellard | *
|
13 | e89f66ec | bellard | * The above copyright notice and this permission notice shall be included in
|
14 | e89f66ec | bellard | * all copies or substantial portions of the Software.
|
15 | e89f66ec | bellard | *
|
16 | e89f66ec | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
17 | e89f66ec | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
18 | e89f66ec | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
19 | e89f66ec | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
20 | e89f66ec | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
21 | e89f66ec | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
22 | e89f66ec | bellard | * THE SOFTWARE.
|
23 | e89f66ec | bellard | */
|
24 | 87ecb68b | pbrook | #include "hw.h" |
25 | 5e55efc9 | Blue Swirl | #include "vga.h" |
26 | 87ecb68b | pbrook | #include "console.h" |
27 | 87ecb68b | pbrook | #include "pc.h" |
28 | 87ecb68b | pbrook | #include "pci.h" |
29 | 798b0c25 | bellard | #include "vga_int.h" |
30 | 94470844 | blueswir1 | #include "pixel_ops.h" |
31 | cb5a7aa8 | malc | #include "qemu-timer.h" |
32 | c65adf9b | Avi Kivity | #include "xen.h" |
33 | 72750018 | Alon Levy | #include "trace.h" |
34 | e89f66ec | bellard | |
35 | e89f66ec | bellard | //#define DEBUG_VGA
|
36 | 17b0018b | bellard | //#define DEBUG_VGA_MEM
|
37 | a41bc9af | bellard | //#define DEBUG_VGA_REG
|
38 | a41bc9af | bellard | |
39 | 4fa0f5d2 | bellard | //#define DEBUG_BOCHS_VBE
|
40 | 4fa0f5d2 | bellard | |
41 | 9aa0ff0b | Jan Kiszka | /* 16 state changes per vertical frame @60 Hz */
|
42 | 9aa0ff0b | Jan Kiszka | #define VGA_TEXT_CURSOR_PERIOD_MS (1000 * 2 * 16 / 60) |
43 | 9aa0ff0b | Jan Kiszka | |
44 | 47c012e2 | Blue Swirl | /*
|
45 | 47c012e2 | Blue Swirl | * Video Graphics Array (VGA)
|
46 | 47c012e2 | Blue Swirl | *
|
47 | 47c012e2 | Blue Swirl | * Chipset docs for original IBM VGA:
|
48 | 47c012e2 | Blue Swirl | * http://www.mcamafia.de/pdf/ibm_vgaxga_trm2.pdf
|
49 | 47c012e2 | Blue Swirl | *
|
50 | 47c012e2 | Blue Swirl | * FreeVGA site:
|
51 | 47c012e2 | Blue Swirl | * http://www.osdever.net/FreeVGA/home.htm
|
52 | 47c012e2 | Blue Swirl | *
|
53 | 47c012e2 | Blue Swirl | * Standard VGA features and Bochs VBE extensions are implemented.
|
54 | 47c012e2 | Blue Swirl | */
|
55 | 47c012e2 | Blue Swirl | |
56 | e89f66ec | bellard | /* force some bits to zero */
|
57 | 798b0c25 | bellard | const uint8_t sr_mask[8] = { |
58 | 9e622b15 | blueswir1 | 0x03,
|
59 | 9e622b15 | blueswir1 | 0x3d,
|
60 | 9e622b15 | blueswir1 | 0x0f,
|
61 | 9e622b15 | blueswir1 | 0x3f,
|
62 | 9e622b15 | blueswir1 | 0x0e,
|
63 | 9e622b15 | blueswir1 | 0x00,
|
64 | 9e622b15 | blueswir1 | 0x00,
|
65 | 9e622b15 | blueswir1 | 0xff,
|
66 | e89f66ec | bellard | }; |
67 | e89f66ec | bellard | |
68 | 798b0c25 | bellard | const uint8_t gr_mask[16] = { |
69 | 9e622b15 | blueswir1 | 0x0f, /* 0x00 */ |
70 | 9e622b15 | blueswir1 | 0x0f, /* 0x01 */ |
71 | 9e622b15 | blueswir1 | 0x0f, /* 0x02 */ |
72 | 9e622b15 | blueswir1 | 0x1f, /* 0x03 */ |
73 | 9e622b15 | blueswir1 | 0x03, /* 0x04 */ |
74 | 9e622b15 | blueswir1 | 0x7b, /* 0x05 */ |
75 | 9e622b15 | blueswir1 | 0x0f, /* 0x06 */ |
76 | 9e622b15 | blueswir1 | 0x0f, /* 0x07 */ |
77 | 9e622b15 | blueswir1 | 0xff, /* 0x08 */ |
78 | 9e622b15 | blueswir1 | 0x00, /* 0x09 */ |
79 | 9e622b15 | blueswir1 | 0x00, /* 0x0a */ |
80 | 9e622b15 | blueswir1 | 0x00, /* 0x0b */ |
81 | 9e622b15 | blueswir1 | 0x00, /* 0x0c */ |
82 | 9e622b15 | blueswir1 | 0x00, /* 0x0d */ |
83 | 9e622b15 | blueswir1 | 0x00, /* 0x0e */ |
84 | 9e622b15 | blueswir1 | 0x00, /* 0x0f */ |
85 | e89f66ec | bellard | }; |
86 | e89f66ec | bellard | |
87 | e89f66ec | bellard | #define cbswap_32(__x) \
|
88 | e89f66ec | bellard | ((uint32_t)( \ |
89 | e89f66ec | bellard | (((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \ |
90 | e89f66ec | bellard | (((uint32_t)(__x) & (uint32_t)0x0000ff00UL) << 8) | \ |
91 | e89f66ec | bellard | (((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >> 8) | \ |
92 | e89f66ec | bellard | (((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) )) |
93 | e89f66ec | bellard | |
94 | e2542fe2 | Juan Quintela | #ifdef HOST_WORDS_BIGENDIAN
|
95 | e89f66ec | bellard | #define PAT(x) cbswap_32(x)
|
96 | e89f66ec | bellard | #else
|
97 | e89f66ec | bellard | #define PAT(x) (x)
|
98 | e89f66ec | bellard | #endif
|
99 | e89f66ec | bellard | |
100 | e2542fe2 | Juan Quintela | #ifdef HOST_WORDS_BIGENDIAN
|
101 | b8ed223b | bellard | #define BIG 1 |
102 | b8ed223b | bellard | #else
|
103 | b8ed223b | bellard | #define BIG 0 |
104 | b8ed223b | bellard | #endif
|
105 | b8ed223b | bellard | |
106 | e2542fe2 | Juan Quintela | #ifdef HOST_WORDS_BIGENDIAN
|
107 | b8ed223b | bellard | #define GET_PLANE(data, p) (((data) >> (24 - (p) * 8)) & 0xff) |
108 | b8ed223b | bellard | #else
|
109 | b8ed223b | bellard | #define GET_PLANE(data, p) (((data) >> ((p) * 8)) & 0xff) |
110 | b8ed223b | bellard | #endif
|
111 | b8ed223b | bellard | |
112 | e89f66ec | bellard | static const uint32_t mask16[16] = { |
113 | e89f66ec | bellard | PAT(0x00000000),
|
114 | e89f66ec | bellard | PAT(0x000000ff),
|
115 | e89f66ec | bellard | PAT(0x0000ff00),
|
116 | e89f66ec | bellard | PAT(0x0000ffff),
|
117 | e89f66ec | bellard | PAT(0x00ff0000),
|
118 | e89f66ec | bellard | PAT(0x00ff00ff),
|
119 | e89f66ec | bellard | PAT(0x00ffff00),
|
120 | e89f66ec | bellard | PAT(0x00ffffff),
|
121 | e89f66ec | bellard | PAT(0xff000000),
|
122 | e89f66ec | bellard | PAT(0xff0000ff),
|
123 | e89f66ec | bellard | PAT(0xff00ff00),
|
124 | e89f66ec | bellard | PAT(0xff00ffff),
|
125 | e89f66ec | bellard | PAT(0xffff0000),
|
126 | e89f66ec | bellard | PAT(0xffff00ff),
|
127 | e89f66ec | bellard | PAT(0xffffff00),
|
128 | e89f66ec | bellard | PAT(0xffffffff),
|
129 | e89f66ec | bellard | }; |
130 | e89f66ec | bellard | |
131 | e89f66ec | bellard | #undef PAT
|
132 | e89f66ec | bellard | |
133 | e2542fe2 | Juan Quintela | #ifdef HOST_WORDS_BIGENDIAN
|
134 | e89f66ec | bellard | #define PAT(x) (x)
|
135 | e89f66ec | bellard | #else
|
136 | e89f66ec | bellard | #define PAT(x) cbswap_32(x)
|
137 | e89f66ec | bellard | #endif
|
138 | e89f66ec | bellard | |
139 | e89f66ec | bellard | static const uint32_t dmask16[16] = { |
140 | e89f66ec | bellard | PAT(0x00000000),
|
141 | e89f66ec | bellard | PAT(0x000000ff),
|
142 | e89f66ec | bellard | PAT(0x0000ff00),
|
143 | e89f66ec | bellard | PAT(0x0000ffff),
|
144 | e89f66ec | bellard | PAT(0x00ff0000),
|
145 | e89f66ec | bellard | PAT(0x00ff00ff),
|
146 | e89f66ec | bellard | PAT(0x00ffff00),
|
147 | e89f66ec | bellard | PAT(0x00ffffff),
|
148 | e89f66ec | bellard | PAT(0xff000000),
|
149 | e89f66ec | bellard | PAT(0xff0000ff),
|
150 | e89f66ec | bellard | PAT(0xff00ff00),
|
151 | e89f66ec | bellard | PAT(0xff00ffff),
|
152 | e89f66ec | bellard | PAT(0xffff0000),
|
153 | e89f66ec | bellard | PAT(0xffff00ff),
|
154 | e89f66ec | bellard | PAT(0xffffff00),
|
155 | e89f66ec | bellard | PAT(0xffffffff),
|
156 | e89f66ec | bellard | }; |
157 | e89f66ec | bellard | |
158 | e89f66ec | bellard | static const uint32_t dmask4[4] = { |
159 | e89f66ec | bellard | PAT(0x00000000),
|
160 | e89f66ec | bellard | PAT(0x0000ffff),
|
161 | e89f66ec | bellard | PAT(0xffff0000),
|
162 | e89f66ec | bellard | PAT(0xffffffff),
|
163 | e89f66ec | bellard | }; |
164 | e89f66ec | bellard | |
165 | e89f66ec | bellard | static uint32_t expand4[256]; |
166 | e89f66ec | bellard | static uint16_t expand2[256]; |
167 | 17b0018b | bellard | static uint8_t expand4to8[16]; |
168 | e89f66ec | bellard | |
169 | d7098135 | Luiz Capitulino | static void vga_screen_dump(void *opaque, const char *filename, bool cswitch, |
170 | d7098135 | Luiz Capitulino | Error **errp); |
171 | 95219897 | pbrook | |
172 | 80763888 | Jan Kiszka | static void vga_update_memory_access(VGACommonState *s) |
173 | 80763888 | Jan Kiszka | { |
174 | 80763888 | Jan Kiszka | MemoryRegion *region, *old_region = s->chain4_alias; |
175 | a8170e5e | Avi Kivity | hwaddr base, offset, size; |
176 | 80763888 | Jan Kiszka | |
177 | 80763888 | Jan Kiszka | s->chain4_alias = NULL;
|
178 | 80763888 | Jan Kiszka | |
179 | 5e55efc9 | Blue Swirl | if ((s->sr[VGA_SEQ_PLANE_WRITE] & VGA_SR02_ALL_PLANES) ==
|
180 | 5e55efc9 | Blue Swirl | VGA_SR02_ALL_PLANES && s->sr[VGA_SEQ_MEMORY_MODE] & VGA_SR04_CHN_4M) { |
181 | 80763888 | Jan Kiszka | offset = 0;
|
182 | 5e55efc9 | Blue Swirl | switch ((s->gr[VGA_GFX_MISC] >> 2) & 3) { |
183 | 80763888 | Jan Kiszka | case 0: |
184 | 80763888 | Jan Kiszka | base = 0xa0000;
|
185 | 80763888 | Jan Kiszka | size = 0x20000;
|
186 | 80763888 | Jan Kiszka | break;
|
187 | 80763888 | Jan Kiszka | case 1: |
188 | 80763888 | Jan Kiszka | base = 0xa0000;
|
189 | 80763888 | Jan Kiszka | size = 0x10000;
|
190 | 80763888 | Jan Kiszka | offset = s->bank_offset; |
191 | 80763888 | Jan Kiszka | break;
|
192 | 80763888 | Jan Kiszka | case 2: |
193 | 80763888 | Jan Kiszka | base = 0xb0000;
|
194 | 80763888 | Jan Kiszka | size = 0x8000;
|
195 | 80763888 | Jan Kiszka | break;
|
196 | 80763888 | Jan Kiszka | case 3: |
197 | f065aa0a | Jan Kiszka | default:
|
198 | 80763888 | Jan Kiszka | base = 0xb8000;
|
199 | 80763888 | Jan Kiszka | size = 0x8000;
|
200 | 80763888 | Jan Kiszka | break;
|
201 | 80763888 | Jan Kiszka | } |
202 | 71579cae | Jan Kiszka | base += isa_mem_base; |
203 | 80763888 | Jan Kiszka | region = g_malloc(sizeof(*region));
|
204 | 80763888 | Jan Kiszka | memory_region_init_alias(region, "vga.chain4", &s->vram, offset, size);
|
205 | 80763888 | Jan Kiszka | memory_region_add_subregion_overlap(s->legacy_address_space, base, |
206 | 80763888 | Jan Kiszka | region, 2);
|
207 | 80763888 | Jan Kiszka | s->chain4_alias = region; |
208 | 80763888 | Jan Kiszka | } |
209 | 80763888 | Jan Kiszka | if (old_region) {
|
210 | 80763888 | Jan Kiszka | memory_region_del_subregion(s->legacy_address_space, old_region); |
211 | 80763888 | Jan Kiszka | memory_region_destroy(old_region); |
212 | 80763888 | Jan Kiszka | g_free(old_region); |
213 | 80763888 | Jan Kiszka | s->plane_updated = 0xf;
|
214 | 80763888 | Jan Kiszka | } |
215 | 80763888 | Jan Kiszka | } |
216 | 80763888 | Jan Kiszka | |
217 | cedd91d2 | Juan Quintela | static void vga_dumb_update_retrace_info(VGACommonState *s) |
218 | cb5a7aa8 | malc | { |
219 | cb5a7aa8 | malc | (void) s;
|
220 | cb5a7aa8 | malc | } |
221 | cb5a7aa8 | malc | |
222 | cedd91d2 | Juan Quintela | static void vga_precise_update_retrace_info(VGACommonState *s) |
223 | cb5a7aa8 | malc | { |
224 | cb5a7aa8 | malc | int htotal_chars;
|
225 | cb5a7aa8 | malc | int hretr_start_char;
|
226 | cb5a7aa8 | malc | int hretr_skew_chars;
|
227 | cb5a7aa8 | malc | int hretr_end_char;
|
228 | cb5a7aa8 | malc | |
229 | cb5a7aa8 | malc | int vtotal_lines;
|
230 | cb5a7aa8 | malc | int vretr_start_line;
|
231 | cb5a7aa8 | malc | int vretr_end_line;
|
232 | cb5a7aa8 | malc | |
233 | 7f5b7d3e | Blue Swirl | int dots;
|
234 | 7f5b7d3e | Blue Swirl | #if 0
|
235 | 7f5b7d3e | Blue Swirl | int div2, sldiv2;
|
236 | 7f5b7d3e | Blue Swirl | #endif
|
237 | cb5a7aa8 | malc | int clocking_mode;
|
238 | cb5a7aa8 | malc | int clock_sel;
|
239 | b0f74c87 | balrog | const int clk_hz[] = {25175000, 28322000, 25175000, 25175000}; |
240 | cb5a7aa8 | malc | int64_t chars_per_sec; |
241 | cb5a7aa8 | malc | struct vga_precise_retrace *r = &s->retrace_info.precise;
|
242 | cb5a7aa8 | malc | |
243 | 5e55efc9 | Blue Swirl | htotal_chars = s->cr[VGA_CRTC_H_TOTAL] + 5;
|
244 | 5e55efc9 | Blue Swirl | hretr_start_char = s->cr[VGA_CRTC_H_SYNC_START]; |
245 | 5e55efc9 | Blue Swirl | hretr_skew_chars = (s->cr[VGA_CRTC_H_SYNC_END] >> 5) & 3; |
246 | 5e55efc9 | Blue Swirl | hretr_end_char = s->cr[VGA_CRTC_H_SYNC_END] & 0x1f;
|
247 | cb5a7aa8 | malc | |
248 | 5e55efc9 | Blue Swirl | vtotal_lines = (s->cr[VGA_CRTC_V_TOTAL] | |
249 | 5e55efc9 | Blue Swirl | (((s->cr[VGA_CRTC_OVERFLOW] & 1) |
|
250 | 5e55efc9 | Blue Swirl | ((s->cr[VGA_CRTC_OVERFLOW] >> 4) & 2)) << 8)) + 2; |
251 | 5e55efc9 | Blue Swirl | vretr_start_line = s->cr[VGA_CRTC_V_SYNC_START] | |
252 | 5e55efc9 | Blue Swirl | ((((s->cr[VGA_CRTC_OVERFLOW] >> 2) & 1) | |
253 | 5e55efc9 | Blue Swirl | ((s->cr[VGA_CRTC_OVERFLOW] >> 6) & 2)) << 8); |
254 | 5e55efc9 | Blue Swirl | vretr_end_line = s->cr[VGA_CRTC_V_SYNC_END] & 0xf;
|
255 | cb5a7aa8 | malc | |
256 | 5e55efc9 | Blue Swirl | clocking_mode = (s->sr[VGA_SEQ_CLOCK_MODE] >> 3) & 1; |
257 | cb5a7aa8 | malc | clock_sel = (s->msr >> 2) & 3; |
258 | f87fc09b | malc | dots = (s->msr & 1) ? 8 : 9; |
259 | cb5a7aa8 | malc | |
260 | b0f74c87 | balrog | chars_per_sec = clk_hz[clock_sel] / dots; |
261 | cb5a7aa8 | malc | |
262 | cb5a7aa8 | malc | htotal_chars <<= clocking_mode; |
263 | cb5a7aa8 | malc | |
264 | cb5a7aa8 | malc | r->total_chars = vtotal_lines * htotal_chars; |
265 | cb5a7aa8 | malc | if (r->freq) {
|
266 | 6ee093c9 | Juan Quintela | r->ticks_per_char = get_ticks_per_sec() / (r->total_chars * r->freq); |
267 | cb5a7aa8 | malc | } else {
|
268 | 6ee093c9 | Juan Quintela | r->ticks_per_char = get_ticks_per_sec() / chars_per_sec; |
269 | cb5a7aa8 | malc | } |
270 | cb5a7aa8 | malc | |
271 | cb5a7aa8 | malc | r->vstart = vretr_start_line; |
272 | cb5a7aa8 | malc | r->vend = r->vstart + vretr_end_line + 1;
|
273 | cb5a7aa8 | malc | |
274 | cb5a7aa8 | malc | r->hstart = hretr_start_char + hretr_skew_chars; |
275 | cb5a7aa8 | malc | r->hend = r->hstart + hretr_end_char + 1;
|
276 | cb5a7aa8 | malc | r->htotal = htotal_chars; |
277 | cb5a7aa8 | malc | |
278 | f87fc09b | malc | #if 0
|
279 | 5e55efc9 | Blue Swirl | div2 = (s->cr[VGA_CRTC_MODE] >> 2) & 1;
|
280 | 5e55efc9 | Blue Swirl | sldiv2 = (s->cr[VGA_CRTC_MODE] >> 3) & 1;
|
281 | cb5a7aa8 | malc | printf (
|
282 | f87fc09b | malc | "hz=%f\n"
|
283 | cb5a7aa8 | malc | "htotal = %d\n"
|
284 | cb5a7aa8 | malc | "hretr_start = %d\n"
|
285 | cb5a7aa8 | malc | "hretr_skew = %d\n"
|
286 | cb5a7aa8 | malc | "hretr_end = %d\n"
|
287 | cb5a7aa8 | malc | "vtotal = %d\n"
|
288 | cb5a7aa8 | malc | "vretr_start = %d\n"
|
289 | cb5a7aa8 | malc | "vretr_end = %d\n"
|
290 | cb5a7aa8 | malc | "div2 = %d sldiv2 = %d\n"
|
291 | cb5a7aa8 | malc | "clocking_mode = %d\n"
|
292 | cb5a7aa8 | malc | "clock_sel = %d %d\n"
|
293 | cb5a7aa8 | malc | "dots = %d\n"
|
294 | 0bfcd599 | Blue Swirl | "ticks/char = %" PRId64 "\n"
|
295 | cb5a7aa8 | malc | "\n",
|
296 | 6ee093c9 | Juan Quintela | (double) get_ticks_per_sec() / (r->ticks_per_char * r->total_chars),
|
297 | cb5a7aa8 | malc | htotal_chars,
|
298 | cb5a7aa8 | malc | hretr_start_char,
|
299 | cb5a7aa8 | malc | hretr_skew_chars,
|
300 | cb5a7aa8 | malc | hretr_end_char,
|
301 | cb5a7aa8 | malc | vtotal_lines,
|
302 | cb5a7aa8 | malc | vretr_start_line,
|
303 | cb5a7aa8 | malc | vretr_end_line,
|
304 | cb5a7aa8 | malc | div2, sldiv2,
|
305 | cb5a7aa8 | malc | clocking_mode,
|
306 | cb5a7aa8 | malc | clock_sel,
|
307 | b0f74c87 | balrog | clk_hz[clock_sel],
|
308 | cb5a7aa8 | malc | dots,
|
309 | cb5a7aa8 | malc | r->ticks_per_char
|
310 | cb5a7aa8 | malc | );
|
311 | cb5a7aa8 | malc | #endif
|
312 | cb5a7aa8 | malc | } |
313 | cb5a7aa8 | malc | |
314 | cedd91d2 | Juan Quintela | static uint8_t vga_precise_retrace(VGACommonState *s)
|
315 | cb5a7aa8 | malc | { |
316 | cb5a7aa8 | malc | struct vga_precise_retrace *r = &s->retrace_info.precise;
|
317 | cb5a7aa8 | malc | uint8_t val = s->st01 & ~(ST01_V_RETRACE | ST01_DISP_ENABLE); |
318 | cb5a7aa8 | malc | |
319 | cb5a7aa8 | malc | if (r->total_chars) {
|
320 | cb5a7aa8 | malc | int cur_line, cur_line_char, cur_char;
|
321 | cb5a7aa8 | malc | int64_t cur_tick; |
322 | cb5a7aa8 | malc | |
323 | 74475455 | Paolo Bonzini | cur_tick = qemu_get_clock_ns(vm_clock); |
324 | cb5a7aa8 | malc | |
325 | cb5a7aa8 | malc | cur_char = (cur_tick / r->ticks_per_char) % r->total_chars; |
326 | cb5a7aa8 | malc | cur_line = cur_char / r->htotal; |
327 | cb5a7aa8 | malc | |
328 | cb5a7aa8 | malc | if (cur_line >= r->vstart && cur_line <= r->vend) {
|
329 | cb5a7aa8 | malc | val |= ST01_V_RETRACE | ST01_DISP_ENABLE; |
330 | f87fc09b | malc | } else {
|
331 | f87fc09b | malc | cur_line_char = cur_char % r->htotal; |
332 | f87fc09b | malc | if (cur_line_char >= r->hstart && cur_line_char <= r->hend) {
|
333 | f87fc09b | malc | val |= ST01_DISP_ENABLE; |
334 | f87fc09b | malc | } |
335 | cb5a7aa8 | malc | } |
336 | cb5a7aa8 | malc | |
337 | cb5a7aa8 | malc | return val;
|
338 | cb5a7aa8 | malc | } else {
|
339 | cb5a7aa8 | malc | return s->st01 ^ (ST01_V_RETRACE | ST01_DISP_ENABLE);
|
340 | cb5a7aa8 | malc | } |
341 | cb5a7aa8 | malc | } |
342 | cb5a7aa8 | malc | |
343 | cedd91d2 | Juan Quintela | static uint8_t vga_dumb_retrace(VGACommonState *s)
|
344 | cb5a7aa8 | malc | { |
345 | cb5a7aa8 | malc | return s->st01 ^ (ST01_V_RETRACE | ST01_DISP_ENABLE);
|
346 | cb5a7aa8 | malc | } |
347 | cb5a7aa8 | malc | |
348 | 25a18cbd | Juan Quintela | int vga_ioport_invalid(VGACommonState *s, uint32_t addr)
|
349 | 25a18cbd | Juan Quintela | { |
350 | 5e55efc9 | Blue Swirl | if (s->msr & VGA_MIS_COLOR) {
|
351 | 25a18cbd | Juan Quintela | /* Color */
|
352 | 25a18cbd | Juan Quintela | return (addr >= 0x3b0 && addr <= 0x3bf); |
353 | 25a18cbd | Juan Quintela | } else {
|
354 | 25a18cbd | Juan Quintela | /* Monochrome */
|
355 | 25a18cbd | Juan Quintela | return (addr >= 0x3d0 && addr <= 0x3df); |
356 | 25a18cbd | Juan Quintela | } |
357 | 25a18cbd | Juan Quintela | } |
358 | 25a18cbd | Juan Quintela | |
359 | 43bf782b | Juan Quintela | uint32_t vga_ioport_read(void *opaque, uint32_t addr)
|
360 | e89f66ec | bellard | { |
361 | 43bf782b | Juan Quintela | VGACommonState *s = opaque; |
362 | e89f66ec | bellard | int val, index;
|
363 | e89f66ec | bellard | |
364 | bd8f2f5d | Jan Kiszka | qemu_flush_coalesced_mmio_buffer(); |
365 | bd8f2f5d | Jan Kiszka | |
366 | 25a18cbd | Juan Quintela | if (vga_ioport_invalid(s, addr)) {
|
367 | e89f66ec | bellard | val = 0xff;
|
368 | e89f66ec | bellard | } else {
|
369 | e89f66ec | bellard | switch(addr) {
|
370 | 5e55efc9 | Blue Swirl | case VGA_ATT_W:
|
371 | e89f66ec | bellard | if (s->ar_flip_flop == 0) { |
372 | e89f66ec | bellard | val = s->ar_index; |
373 | e89f66ec | bellard | } else {
|
374 | e89f66ec | bellard | val = 0;
|
375 | e89f66ec | bellard | } |
376 | e89f66ec | bellard | break;
|
377 | 5e55efc9 | Blue Swirl | case VGA_ATT_R:
|
378 | e89f66ec | bellard | index = s->ar_index & 0x1f;
|
379 | 5e55efc9 | Blue Swirl | if (index < VGA_ATT_C) {
|
380 | e89f66ec | bellard | val = s->ar[index]; |
381 | 5e55efc9 | Blue Swirl | } else {
|
382 | e89f66ec | bellard | val = 0;
|
383 | 5e55efc9 | Blue Swirl | } |
384 | e89f66ec | bellard | break;
|
385 | 5e55efc9 | Blue Swirl | case VGA_MIS_W:
|
386 | e89f66ec | bellard | val = s->st00; |
387 | e89f66ec | bellard | break;
|
388 | 5e55efc9 | Blue Swirl | case VGA_SEQ_I:
|
389 | e89f66ec | bellard | val = s->sr_index; |
390 | e89f66ec | bellard | break;
|
391 | 5e55efc9 | Blue Swirl | case VGA_SEQ_D:
|
392 | e89f66ec | bellard | val = s->sr[s->sr_index]; |
393 | a41bc9af | bellard | #ifdef DEBUG_VGA_REG
|
394 | a41bc9af | bellard | printf("vga: read SR%x = 0x%02x\n", s->sr_index, val);
|
395 | a41bc9af | bellard | #endif
|
396 | e89f66ec | bellard | break;
|
397 | 5e55efc9 | Blue Swirl | case VGA_PEL_IR:
|
398 | e89f66ec | bellard | val = s->dac_state; |
399 | e89f66ec | bellard | break;
|
400 | 5e55efc9 | Blue Swirl | case VGA_PEL_IW:
|
401 | e9b43ea3 | Juan Quintela | val = s->dac_write_index; |
402 | e9b43ea3 | Juan Quintela | break;
|
403 | 5e55efc9 | Blue Swirl | case VGA_PEL_D:
|
404 | e89f66ec | bellard | val = s->palette[s->dac_read_index * 3 + s->dac_sub_index];
|
405 | e89f66ec | bellard | if (++s->dac_sub_index == 3) { |
406 | e89f66ec | bellard | s->dac_sub_index = 0;
|
407 | e89f66ec | bellard | s->dac_read_index++; |
408 | e89f66ec | bellard | } |
409 | e89f66ec | bellard | break;
|
410 | 5e55efc9 | Blue Swirl | case VGA_FTC_R:
|
411 | e89f66ec | bellard | val = s->fcr; |
412 | e89f66ec | bellard | break;
|
413 | 5e55efc9 | Blue Swirl | case VGA_MIS_R:
|
414 | e89f66ec | bellard | val = s->msr; |
415 | e89f66ec | bellard | break;
|
416 | 5e55efc9 | Blue Swirl | case VGA_GFX_I:
|
417 | e89f66ec | bellard | val = s->gr_index; |
418 | e89f66ec | bellard | break;
|
419 | 5e55efc9 | Blue Swirl | case VGA_GFX_D:
|
420 | e89f66ec | bellard | val = s->gr[s->gr_index]; |
421 | a41bc9af | bellard | #ifdef DEBUG_VGA_REG
|
422 | a41bc9af | bellard | printf("vga: read GR%x = 0x%02x\n", s->gr_index, val);
|
423 | a41bc9af | bellard | #endif
|
424 | e89f66ec | bellard | break;
|
425 | 5e55efc9 | Blue Swirl | case VGA_CRT_IM:
|
426 | 5e55efc9 | Blue Swirl | case VGA_CRT_IC:
|
427 | e89f66ec | bellard | val = s->cr_index; |
428 | e89f66ec | bellard | break;
|
429 | 5e55efc9 | Blue Swirl | case VGA_CRT_DM:
|
430 | 5e55efc9 | Blue Swirl | case VGA_CRT_DC:
|
431 | e89f66ec | bellard | val = s->cr[s->cr_index]; |
432 | a41bc9af | bellard | #ifdef DEBUG_VGA_REG
|
433 | a41bc9af | bellard | printf("vga: read CR%x = 0x%02x\n", s->cr_index, val);
|
434 | a41bc9af | bellard | #endif
|
435 | e89f66ec | bellard | break;
|
436 | 5e55efc9 | Blue Swirl | case VGA_IS1_RM:
|
437 | 5e55efc9 | Blue Swirl | case VGA_IS1_RC:
|
438 | e89f66ec | bellard | /* just toggle to fool polling */
|
439 | cb5a7aa8 | malc | val = s->st01 = s->retrace(s); |
440 | e89f66ec | bellard | s->ar_flip_flop = 0;
|
441 | e89f66ec | bellard | break;
|
442 | e89f66ec | bellard | default:
|
443 | e89f66ec | bellard | val = 0x00;
|
444 | e89f66ec | bellard | break;
|
445 | e89f66ec | bellard | } |
446 | e89f66ec | bellard | } |
447 | 4fa0f5d2 | bellard | #if defined(DEBUG_VGA)
|
448 | e89f66ec | bellard | printf("VGA: read addr=0x%04x data=0x%02x\n", addr, val);
|
449 | e89f66ec | bellard | #endif
|
450 | e89f66ec | bellard | return val;
|
451 | e89f66ec | bellard | } |
452 | e89f66ec | bellard | |
453 | 43bf782b | Juan Quintela | void vga_ioport_write(void *opaque, uint32_t addr, uint32_t val) |
454 | e89f66ec | bellard | { |
455 | 43bf782b | Juan Quintela | VGACommonState *s = opaque; |
456 | 5467a722 | bellard | int index;
|
457 | e89f66ec | bellard | |
458 | bd8f2f5d | Jan Kiszka | qemu_flush_coalesced_mmio_buffer(); |
459 | bd8f2f5d | Jan Kiszka | |
460 | e89f66ec | bellard | /* check port range access depending on color/monochrome mode */
|
461 | 25a18cbd | Juan Quintela | if (vga_ioport_invalid(s, addr)) {
|
462 | e89f66ec | bellard | return;
|
463 | 25a18cbd | Juan Quintela | } |
464 | e89f66ec | bellard | #ifdef DEBUG_VGA
|
465 | e89f66ec | bellard | printf("VGA: write addr=0x%04x data=0x%02x\n", addr, val);
|
466 | e89f66ec | bellard | #endif
|
467 | e89f66ec | bellard | |
468 | e89f66ec | bellard | switch(addr) {
|
469 | 5e55efc9 | Blue Swirl | case VGA_ATT_W:
|
470 | e89f66ec | bellard | if (s->ar_flip_flop == 0) { |
471 | e89f66ec | bellard | val &= 0x3f;
|
472 | e89f66ec | bellard | s->ar_index = val; |
473 | e89f66ec | bellard | } else {
|
474 | e89f66ec | bellard | index = s->ar_index & 0x1f;
|
475 | e89f66ec | bellard | switch(index) {
|
476 | 5e55efc9 | Blue Swirl | case VGA_ATC_PALETTE0 ... VGA_ATC_PALETTEF:
|
477 | e89f66ec | bellard | s->ar[index] = val & 0x3f;
|
478 | e89f66ec | bellard | break;
|
479 | 5e55efc9 | Blue Swirl | case VGA_ATC_MODE:
|
480 | e89f66ec | bellard | s->ar[index] = val & ~0x10;
|
481 | e89f66ec | bellard | break;
|
482 | 5e55efc9 | Blue Swirl | case VGA_ATC_OVERSCAN:
|
483 | e89f66ec | bellard | s->ar[index] = val; |
484 | e89f66ec | bellard | break;
|
485 | 5e55efc9 | Blue Swirl | case VGA_ATC_PLANE_ENABLE:
|
486 | e89f66ec | bellard | s->ar[index] = val & ~0xc0;
|
487 | e89f66ec | bellard | break;
|
488 | 5e55efc9 | Blue Swirl | case VGA_ATC_PEL:
|
489 | e89f66ec | bellard | s->ar[index] = val & ~0xf0;
|
490 | e89f66ec | bellard | break;
|
491 | 5e55efc9 | Blue Swirl | case VGA_ATC_COLOR_PAGE:
|
492 | e89f66ec | bellard | s->ar[index] = val & ~0xf0;
|
493 | e89f66ec | bellard | break;
|
494 | e89f66ec | bellard | default:
|
495 | e89f66ec | bellard | break;
|
496 | e89f66ec | bellard | } |
497 | e89f66ec | bellard | } |
498 | e89f66ec | bellard | s->ar_flip_flop ^= 1;
|
499 | e89f66ec | bellard | break;
|
500 | 5e55efc9 | Blue Swirl | case VGA_MIS_W:
|
501 | e89f66ec | bellard | s->msr = val & ~0x10;
|
502 | cb5a7aa8 | malc | s->update_retrace_info(s); |
503 | e89f66ec | bellard | break;
|
504 | 5e55efc9 | Blue Swirl | case VGA_SEQ_I:
|
505 | e89f66ec | bellard | s->sr_index = val & 7;
|
506 | e89f66ec | bellard | break;
|
507 | 5e55efc9 | Blue Swirl | case VGA_SEQ_D:
|
508 | a41bc9af | bellard | #ifdef DEBUG_VGA_REG
|
509 | a41bc9af | bellard | printf("vga: write SR%x = 0x%02x\n", s->sr_index, val);
|
510 | a41bc9af | bellard | #endif
|
511 | e89f66ec | bellard | s->sr[s->sr_index] = val & sr_mask[s->sr_index]; |
512 | 5e55efc9 | Blue Swirl | if (s->sr_index == VGA_SEQ_CLOCK_MODE) {
|
513 | 5e55efc9 | Blue Swirl | s->update_retrace_info(s); |
514 | 5e55efc9 | Blue Swirl | } |
515 | 80763888 | Jan Kiszka | vga_update_memory_access(s); |
516 | e89f66ec | bellard | break;
|
517 | 5e55efc9 | Blue Swirl | case VGA_PEL_IR:
|
518 | e89f66ec | bellard | s->dac_read_index = val; |
519 | e89f66ec | bellard | s->dac_sub_index = 0;
|
520 | e89f66ec | bellard | s->dac_state = 3;
|
521 | e89f66ec | bellard | break;
|
522 | 5e55efc9 | Blue Swirl | case VGA_PEL_IW:
|
523 | e89f66ec | bellard | s->dac_write_index = val; |
524 | e89f66ec | bellard | s->dac_sub_index = 0;
|
525 | e89f66ec | bellard | s->dac_state = 0;
|
526 | e89f66ec | bellard | break;
|
527 | 5e55efc9 | Blue Swirl | case VGA_PEL_D:
|
528 | e89f66ec | bellard | s->dac_cache[s->dac_sub_index] = val; |
529 | e89f66ec | bellard | if (++s->dac_sub_index == 3) { |
530 | e89f66ec | bellard | memcpy(&s->palette[s->dac_write_index * 3], s->dac_cache, 3); |
531 | e89f66ec | bellard | s->dac_sub_index = 0;
|
532 | e89f66ec | bellard | s->dac_write_index++; |
533 | e89f66ec | bellard | } |
534 | e89f66ec | bellard | break;
|
535 | 5e55efc9 | Blue Swirl | case VGA_GFX_I:
|
536 | e89f66ec | bellard | s->gr_index = val & 0x0f;
|
537 | e89f66ec | bellard | break;
|
538 | 5e55efc9 | Blue Swirl | case VGA_GFX_D:
|
539 | a41bc9af | bellard | #ifdef DEBUG_VGA_REG
|
540 | a41bc9af | bellard | printf("vga: write GR%x = 0x%02x\n", s->gr_index, val);
|
541 | a41bc9af | bellard | #endif
|
542 | e89f66ec | bellard | s->gr[s->gr_index] = val & gr_mask[s->gr_index]; |
543 | 80763888 | Jan Kiszka | vga_update_memory_access(s); |
544 | e89f66ec | bellard | break;
|
545 | 5e55efc9 | Blue Swirl | case VGA_CRT_IM:
|
546 | 5e55efc9 | Blue Swirl | case VGA_CRT_IC:
|
547 | e89f66ec | bellard | s->cr_index = val; |
548 | e89f66ec | bellard | break;
|
549 | 5e55efc9 | Blue Swirl | case VGA_CRT_DM:
|
550 | 5e55efc9 | Blue Swirl | case VGA_CRT_DC:
|
551 | a41bc9af | bellard | #ifdef DEBUG_VGA_REG
|
552 | a41bc9af | bellard | printf("vga: write CR%x = 0x%02x\n", s->cr_index, val);
|
553 | a41bc9af | bellard | #endif
|
554 | e89f66ec | bellard | /* handle CR0-7 protection */
|
555 | df800210 | malc | if ((s->cr[VGA_CRTC_V_SYNC_END] & VGA_CR11_LOCK_CR0_CR7) &&
|
556 | df800210 | malc | s->cr_index <= VGA_CRTC_OVERFLOW) { |
557 | df800210 | malc | /* can always write bit 4 of CR7 */
|
558 | df800210 | malc | if (s->cr_index == VGA_CRTC_OVERFLOW) {
|
559 | df800210 | malc | s->cr[VGA_CRTC_OVERFLOW] = (s->cr[VGA_CRTC_OVERFLOW] & ~0x10) |
|
560 | df800210 | malc | (val & 0x10);
|
561 | 5e55efc9 | Blue Swirl | } |
562 | df800210 | malc | return;
|
563 | e89f66ec | bellard | } |
564 | a46007a0 | Juan Quintela | s->cr[s->cr_index] = val; |
565 | cb5a7aa8 | malc | |
566 | cb5a7aa8 | malc | switch(s->cr_index) {
|
567 | 5e55efc9 | Blue Swirl | case VGA_CRTC_H_TOTAL:
|
568 | 5e55efc9 | Blue Swirl | case VGA_CRTC_H_SYNC_START:
|
569 | 5e55efc9 | Blue Swirl | case VGA_CRTC_H_SYNC_END:
|
570 | 5e55efc9 | Blue Swirl | case VGA_CRTC_V_TOTAL:
|
571 | 5e55efc9 | Blue Swirl | case VGA_CRTC_OVERFLOW:
|
572 | 5e55efc9 | Blue Swirl | case VGA_CRTC_V_SYNC_END:
|
573 | 5e55efc9 | Blue Swirl | case VGA_CRTC_MODE:
|
574 | cb5a7aa8 | malc | s->update_retrace_info(s); |
575 | cb5a7aa8 | malc | break;
|
576 | cb5a7aa8 | malc | } |
577 | e89f66ec | bellard | break;
|
578 | 5e55efc9 | Blue Swirl | case VGA_IS1_RM:
|
579 | 5e55efc9 | Blue Swirl | case VGA_IS1_RC:
|
580 | e89f66ec | bellard | s->fcr = val & 0x10;
|
581 | e89f66ec | bellard | break;
|
582 | e89f66ec | bellard | } |
583 | e89f66ec | bellard | } |
584 | e89f66ec | bellard | |
585 | 09a79b49 | bellard | static uint32_t vbe_ioport_read_index(void *opaque, uint32_t addr) |
586 | 4fa0f5d2 | bellard | { |
587 | cedd91d2 | Juan Quintela | VGACommonState *s = opaque; |
588 | 4fa0f5d2 | bellard | uint32_t val; |
589 | 09a79b49 | bellard | val = s->vbe_index; |
590 | 09a79b49 | bellard | return val;
|
591 | 09a79b49 | bellard | } |
592 | 4fa0f5d2 | bellard | |
593 | 803ff052 | Gerd Hoffmann | uint32_t vbe_ioport_read_data(void *opaque, uint32_t addr)
|
594 | 09a79b49 | bellard | { |
595 | cedd91d2 | Juan Quintela | VGACommonState *s = opaque; |
596 | 09a79b49 | bellard | uint32_t val; |
597 | 09a79b49 | bellard | |
598 | af92284b | Gerd Hoffmann | if (s->vbe_index < VBE_DISPI_INDEX_NB) {
|
599 | 8454df8b | bellard | if (s->vbe_regs[VBE_DISPI_INDEX_ENABLE] & VBE_DISPI_GETCAPS) {
|
600 | 8454df8b | bellard | switch(s->vbe_index) {
|
601 | 8454df8b | bellard | /* XXX: do not hardcode ? */
|
602 | 8454df8b | bellard | case VBE_DISPI_INDEX_XRES:
|
603 | 8454df8b | bellard | val = VBE_DISPI_MAX_XRES; |
604 | 8454df8b | bellard | break;
|
605 | 8454df8b | bellard | case VBE_DISPI_INDEX_YRES:
|
606 | 8454df8b | bellard | val = VBE_DISPI_MAX_YRES; |
607 | 8454df8b | bellard | break;
|
608 | 8454df8b | bellard | case VBE_DISPI_INDEX_BPP:
|
609 | 8454df8b | bellard | val = VBE_DISPI_MAX_BPP; |
610 | 8454df8b | bellard | break;
|
611 | 8454df8b | bellard | default:
|
612 | 5fafdf24 | ths | val = s->vbe_regs[s->vbe_index]; |
613 | 8454df8b | bellard | break;
|
614 | 8454df8b | bellard | } |
615 | 8454df8b | bellard | } else {
|
616 | 5fafdf24 | ths | val = s->vbe_regs[s->vbe_index]; |
617 | 8454df8b | bellard | } |
618 | af92284b | Gerd Hoffmann | } else if (s->vbe_index == VBE_DISPI_INDEX_VIDEO_MEMORY_64K) { |
619 | af92284b | Gerd Hoffmann | val = s->vram_size / (64 * 1024); |
620 | 8454df8b | bellard | } else {
|
621 | 09a79b49 | bellard | val = 0;
|
622 | 8454df8b | bellard | } |
623 | 4fa0f5d2 | bellard | #ifdef DEBUG_BOCHS_VBE
|
624 | 09a79b49 | bellard | printf("VBE: read index=0x%x val=0x%x\n", s->vbe_index, val);
|
625 | 4fa0f5d2 | bellard | #endif
|
626 | 4fa0f5d2 | bellard | return val;
|
627 | 4fa0f5d2 | bellard | } |
628 | 4fa0f5d2 | bellard | |
629 | 803ff052 | Gerd Hoffmann | void vbe_ioport_write_index(void *opaque, uint32_t addr, uint32_t val) |
630 | 09a79b49 | bellard | { |
631 | cedd91d2 | Juan Quintela | VGACommonState *s = opaque; |
632 | 09a79b49 | bellard | s->vbe_index = val; |
633 | 09a79b49 | bellard | } |
634 | 09a79b49 | bellard | |
635 | 803ff052 | Gerd Hoffmann | void vbe_ioport_write_data(void *opaque, uint32_t addr, uint32_t val) |
636 | 4fa0f5d2 | bellard | { |
637 | cedd91d2 | Juan Quintela | VGACommonState *s = opaque; |
638 | 4fa0f5d2 | bellard | |
639 | 09a79b49 | bellard | if (s->vbe_index <= VBE_DISPI_INDEX_NB) {
|
640 | 4fa0f5d2 | bellard | #ifdef DEBUG_BOCHS_VBE
|
641 | 4fa0f5d2 | bellard | printf("VBE: write index=0x%x val=0x%x\n", s->vbe_index, val);
|
642 | 4fa0f5d2 | bellard | #endif
|
643 | 4fa0f5d2 | bellard | switch(s->vbe_index) {
|
644 | 4fa0f5d2 | bellard | case VBE_DISPI_INDEX_ID:
|
645 | cae61cef | bellard | if (val == VBE_DISPI_ID0 ||
|
646 | cae61cef | bellard | val == VBE_DISPI_ID1 || |
647 | 37dd208d | bellard | val == VBE_DISPI_ID2 || |
648 | 37dd208d | bellard | val == VBE_DISPI_ID3 || |
649 | 37dd208d | bellard | val == VBE_DISPI_ID4) { |
650 | cae61cef | bellard | s->vbe_regs[s->vbe_index] = val; |
651 | cae61cef | bellard | } |
652 | 4fa0f5d2 | bellard | break;
|
653 | 4fa0f5d2 | bellard | case VBE_DISPI_INDEX_XRES:
|
654 | cae61cef | bellard | if ((val <= VBE_DISPI_MAX_XRES) && ((val & 7) == 0)) { |
655 | cae61cef | bellard | s->vbe_regs[s->vbe_index] = val; |
656 | cae61cef | bellard | } |
657 | 4fa0f5d2 | bellard | break;
|
658 | 4fa0f5d2 | bellard | case VBE_DISPI_INDEX_YRES:
|
659 | cae61cef | bellard | if (val <= VBE_DISPI_MAX_YRES) {
|
660 | cae61cef | bellard | s->vbe_regs[s->vbe_index] = val; |
661 | cae61cef | bellard | } |
662 | 4fa0f5d2 | bellard | break;
|
663 | 4fa0f5d2 | bellard | case VBE_DISPI_INDEX_BPP:
|
664 | 4fa0f5d2 | bellard | if (val == 0) |
665 | 4fa0f5d2 | bellard | val = 8;
|
666 | 5fafdf24 | ths | if (val == 4 || val == 8 || val == 15 || |
667 | cae61cef | bellard | val == 16 || val == 24 || val == 32) { |
668 | cae61cef | bellard | s->vbe_regs[s->vbe_index] = val; |
669 | cae61cef | bellard | } |
670 | 4fa0f5d2 | bellard | break;
|
671 | 4fa0f5d2 | bellard | case VBE_DISPI_INDEX_BANK:
|
672 | 42fc925e | bellard | if (s->vbe_regs[VBE_DISPI_INDEX_BPP] == 4) { |
673 | 42fc925e | bellard | val &= (s->vbe_bank_mask >> 2);
|
674 | 42fc925e | bellard | } else {
|
675 | 42fc925e | bellard | val &= s->vbe_bank_mask; |
676 | 42fc925e | bellard | } |
677 | cae61cef | bellard | s->vbe_regs[s->vbe_index] = val; |
678 | 26aa7d72 | bellard | s->bank_offset = (val << 16);
|
679 | 80763888 | Jan Kiszka | vga_update_memory_access(s); |
680 | 4fa0f5d2 | bellard | break;
|
681 | 4fa0f5d2 | bellard | case VBE_DISPI_INDEX_ENABLE:
|
682 | 8454df8b | bellard | if ((val & VBE_DISPI_ENABLED) &&
|
683 | 8454df8b | bellard | !(s->vbe_regs[VBE_DISPI_INDEX_ENABLE] & VBE_DISPI_ENABLED)) { |
684 | 4fa0f5d2 | bellard | int h, shift_control;
|
685 | 4fa0f5d2 | bellard | |
686 | 5fafdf24 | ths | s->vbe_regs[VBE_DISPI_INDEX_VIRT_WIDTH] = |
687 | 4fa0f5d2 | bellard | s->vbe_regs[VBE_DISPI_INDEX_XRES]; |
688 | 5fafdf24 | ths | s->vbe_regs[VBE_DISPI_INDEX_VIRT_HEIGHT] = |
689 | 4fa0f5d2 | bellard | s->vbe_regs[VBE_DISPI_INDEX_YRES]; |
690 | 4fa0f5d2 | bellard | s->vbe_regs[VBE_DISPI_INDEX_X_OFFSET] = 0;
|
691 | 4fa0f5d2 | bellard | s->vbe_regs[VBE_DISPI_INDEX_Y_OFFSET] = 0;
|
692 | 3b46e624 | ths | |
693 | 4fa0f5d2 | bellard | if (s->vbe_regs[VBE_DISPI_INDEX_BPP] == 4) |
694 | 4fa0f5d2 | bellard | s->vbe_line_offset = s->vbe_regs[VBE_DISPI_INDEX_XRES] >> 1;
|
695 | 4fa0f5d2 | bellard | else
|
696 | 5fafdf24 | ths | s->vbe_line_offset = s->vbe_regs[VBE_DISPI_INDEX_XRES] * |
697 | 4fa0f5d2 | bellard | ((s->vbe_regs[VBE_DISPI_INDEX_BPP] + 7) >> 3); |
698 | 4fa0f5d2 | bellard | s->vbe_start_addr = 0;
|
699 | 8454df8b | bellard | |
700 | 4fa0f5d2 | bellard | /* clear the screen (should be done in BIOS) */
|
701 | 4fa0f5d2 | bellard | if (!(val & VBE_DISPI_NOCLEARMEM)) {
|
702 | 5fafdf24 | ths | memset(s->vram_ptr, 0,
|
703 | 4fa0f5d2 | bellard | s->vbe_regs[VBE_DISPI_INDEX_YRES] * s->vbe_line_offset); |
704 | 4fa0f5d2 | bellard | } |
705 | 3b46e624 | ths | |
706 | cae61cef | bellard | /* we initialize the VGA graphic mode (should be done
|
707 | cae61cef | bellard | in BIOS) */
|
708 | 5e55efc9 | Blue Swirl | /* graphic mode + memory map 1 */
|
709 | 5e55efc9 | Blue Swirl | s->gr[VGA_GFX_MISC] = (s->gr[VGA_GFX_MISC] & ~0x0c) | 0x04 | |
710 | 5e55efc9 | Blue Swirl | VGA_GR06_GRAPHICS_MODE; |
711 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_MODE] |= 3; /* no CGA modes */ |
712 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_OFFSET] = s->vbe_line_offset >> 3;
|
713 | 4fa0f5d2 | bellard | /* width */
|
714 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_H_DISP] = |
715 | 5e55efc9 | Blue Swirl | (s->vbe_regs[VBE_DISPI_INDEX_XRES] >> 3) - 1; |
716 | 8454df8b | bellard | /* height (only meaningful if < 1024) */
|
717 | 4fa0f5d2 | bellard | h = s->vbe_regs[VBE_DISPI_INDEX_YRES] - 1;
|
718 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_V_DISP_END] = h; |
719 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_OVERFLOW] = (s->cr[VGA_CRTC_OVERFLOW] & ~0x42) |
|
720 | 4fa0f5d2 | bellard | ((h >> 7) & 0x02) | ((h >> 3) & 0x40); |
721 | 4fa0f5d2 | bellard | /* line compare to 1023 */
|
722 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_LINE_COMPARE] = 0xff;
|
723 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_OVERFLOW] |= 0x10;
|
724 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_MAX_SCAN] |= 0x40;
|
725 | 3b46e624 | ths | |
726 | 4fa0f5d2 | bellard | if (s->vbe_regs[VBE_DISPI_INDEX_BPP] == 4) { |
727 | 4fa0f5d2 | bellard | shift_control = 0;
|
728 | 5e55efc9 | Blue Swirl | s->sr[VGA_SEQ_CLOCK_MODE] &= ~8; /* no double line */ |
729 | 4fa0f5d2 | bellard | } else {
|
730 | 4fa0f5d2 | bellard | shift_control = 2;
|
731 | 5e55efc9 | Blue Swirl | /* set chain 4 mode */
|
732 | 5e55efc9 | Blue Swirl | s->sr[VGA_SEQ_MEMORY_MODE] |= VGA_SR04_CHN_4M; |
733 | 5e55efc9 | Blue Swirl | /* activate all planes */
|
734 | 5e55efc9 | Blue Swirl | s->sr[VGA_SEQ_PLANE_WRITE] |= VGA_SR02_ALL_PLANES; |
735 | 4fa0f5d2 | bellard | } |
736 | 5e55efc9 | Blue Swirl | s->gr[VGA_GFX_MODE] = (s->gr[VGA_GFX_MODE] & ~0x60) |
|
737 | 5e55efc9 | Blue Swirl | (shift_control << 5);
|
738 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_MAX_SCAN] &= ~0x9f; /* no double scan */ |
739 | cae61cef | bellard | } else {
|
740 | cae61cef | bellard | /* XXX: the bios should do that */
|
741 | 26aa7d72 | bellard | s->bank_offset = 0;
|
742 | cae61cef | bellard | } |
743 | 37dd208d | bellard | s->dac_8bit = (val & VBE_DISPI_8BIT_DAC) > 0;
|
744 | 141253b2 | bellard | s->vbe_regs[s->vbe_index] = val; |
745 | 80763888 | Jan Kiszka | vga_update_memory_access(s); |
746 | cae61cef | bellard | break;
|
747 | cae61cef | bellard | case VBE_DISPI_INDEX_VIRT_WIDTH:
|
748 | cae61cef | bellard | { |
749 | cae61cef | bellard | int w, h, line_offset;
|
750 | cae61cef | bellard | |
751 | cae61cef | bellard | if (val < s->vbe_regs[VBE_DISPI_INDEX_XRES])
|
752 | cae61cef | bellard | return;
|
753 | cae61cef | bellard | w = val; |
754 | cae61cef | bellard | if (s->vbe_regs[VBE_DISPI_INDEX_BPP] == 4) |
755 | cae61cef | bellard | line_offset = w >> 1;
|
756 | cae61cef | bellard | else
|
757 | cae61cef | bellard | line_offset = w * ((s->vbe_regs[VBE_DISPI_INDEX_BPP] + 7) >> 3); |
758 | cae61cef | bellard | h = s->vram_size / line_offset; |
759 | cae61cef | bellard | /* XXX: support weird bochs semantics ? */
|
760 | cae61cef | bellard | if (h < s->vbe_regs[VBE_DISPI_INDEX_YRES])
|
761 | cae61cef | bellard | return;
|
762 | cae61cef | bellard | s->vbe_regs[VBE_DISPI_INDEX_VIRT_WIDTH] = w; |
763 | cae61cef | bellard | s->vbe_regs[VBE_DISPI_INDEX_VIRT_HEIGHT] = h; |
764 | cae61cef | bellard | s->vbe_line_offset = line_offset; |
765 | cae61cef | bellard | } |
766 | cae61cef | bellard | break;
|
767 | cae61cef | bellard | case VBE_DISPI_INDEX_X_OFFSET:
|
768 | cae61cef | bellard | case VBE_DISPI_INDEX_Y_OFFSET:
|
769 | cae61cef | bellard | { |
770 | cae61cef | bellard | int x;
|
771 | cae61cef | bellard | s->vbe_regs[s->vbe_index] = val; |
772 | cae61cef | bellard | s->vbe_start_addr = s->vbe_line_offset * s->vbe_regs[VBE_DISPI_INDEX_Y_OFFSET]; |
773 | cae61cef | bellard | x = s->vbe_regs[VBE_DISPI_INDEX_X_OFFSET]; |
774 | cae61cef | bellard | if (s->vbe_regs[VBE_DISPI_INDEX_BPP] == 4) |
775 | cae61cef | bellard | s->vbe_start_addr += x >> 1;
|
776 | cae61cef | bellard | else
|
777 | cae61cef | bellard | s->vbe_start_addr += x * ((s->vbe_regs[VBE_DISPI_INDEX_BPP] + 7) >> 3); |
778 | cae61cef | bellard | s->vbe_start_addr >>= 2;
|
779 | 4fa0f5d2 | bellard | } |
780 | 4fa0f5d2 | bellard | break;
|
781 | 4fa0f5d2 | bellard | default:
|
782 | 4fa0f5d2 | bellard | break;
|
783 | 4fa0f5d2 | bellard | } |
784 | 4fa0f5d2 | bellard | } |
785 | 4fa0f5d2 | bellard | } |
786 | 4fa0f5d2 | bellard | |
787 | e89f66ec | bellard | /* called for accesses between 0xa0000 and 0xc0000 */
|
788 | a8170e5e | Avi Kivity | uint32_t vga_mem_readb(VGACommonState *s, hwaddr addr) |
789 | e89f66ec | bellard | { |
790 | e89f66ec | bellard | int memory_map_mode, plane;
|
791 | e89f66ec | bellard | uint32_t ret; |
792 | 3b46e624 | ths | |
793 | e89f66ec | bellard | /* convert to VGA memory offset */
|
794 | 5e55efc9 | Blue Swirl | memory_map_mode = (s->gr[VGA_GFX_MISC] >> 2) & 3; |
795 | 26aa7d72 | bellard | addr &= 0x1ffff;
|
796 | e89f66ec | bellard | switch(memory_map_mode) {
|
797 | e89f66ec | bellard | case 0: |
798 | e89f66ec | bellard | break;
|
799 | e89f66ec | bellard | case 1: |
800 | 26aa7d72 | bellard | if (addr >= 0x10000) |
801 | e89f66ec | bellard | return 0xff; |
802 | cae61cef | bellard | addr += s->bank_offset; |
803 | e89f66ec | bellard | break;
|
804 | e89f66ec | bellard | case 2: |
805 | 26aa7d72 | bellard | addr -= 0x10000;
|
806 | e89f66ec | bellard | if (addr >= 0x8000) |
807 | e89f66ec | bellard | return 0xff; |
808 | e89f66ec | bellard | break;
|
809 | e89f66ec | bellard | default:
|
810 | e89f66ec | bellard | case 3: |
811 | 26aa7d72 | bellard | addr -= 0x18000;
|
812 | c92b2e84 | bellard | if (addr >= 0x8000) |
813 | c92b2e84 | bellard | return 0xff; |
814 | e89f66ec | bellard | break;
|
815 | e89f66ec | bellard | } |
816 | 3b46e624 | ths | |
817 | 5e55efc9 | Blue Swirl | if (s->sr[VGA_SEQ_MEMORY_MODE] & VGA_SR04_CHN_4M) {
|
818 | e89f66ec | bellard | /* chain 4 mode : simplest access */
|
819 | e89f66ec | bellard | ret = s->vram_ptr[addr]; |
820 | 5e55efc9 | Blue Swirl | } else if (s->gr[VGA_GFX_MODE] & 0x10) { |
821 | e89f66ec | bellard | /* odd/even mode (aka text mode mapping) */
|
822 | 5e55efc9 | Blue Swirl | plane = (s->gr[VGA_GFX_PLANE_READ] & 2) | (addr & 1); |
823 | e89f66ec | bellard | ret = s->vram_ptr[((addr & ~1) << 1) | plane]; |
824 | e89f66ec | bellard | } else {
|
825 | e89f66ec | bellard | /* standard VGA latched access */
|
826 | e89f66ec | bellard | s->latch = ((uint32_t *)s->vram_ptr)[addr]; |
827 | e89f66ec | bellard | |
828 | 5e55efc9 | Blue Swirl | if (!(s->gr[VGA_GFX_MODE] & 0x08)) { |
829 | e89f66ec | bellard | /* read mode 0 */
|
830 | 5e55efc9 | Blue Swirl | plane = s->gr[VGA_GFX_PLANE_READ]; |
831 | b8ed223b | bellard | ret = GET_PLANE(s->latch, plane); |
832 | e89f66ec | bellard | } else {
|
833 | e89f66ec | bellard | /* read mode 1 */
|
834 | 5e55efc9 | Blue Swirl | ret = (s->latch ^ mask16[s->gr[VGA_GFX_COMPARE_VALUE]]) & |
835 | 5e55efc9 | Blue Swirl | mask16[s->gr[VGA_GFX_COMPARE_MASK]]; |
836 | e89f66ec | bellard | ret |= ret >> 16;
|
837 | e89f66ec | bellard | ret |= ret >> 8;
|
838 | e89f66ec | bellard | ret = (~ret) & 0xff;
|
839 | e89f66ec | bellard | } |
840 | e89f66ec | bellard | } |
841 | e89f66ec | bellard | return ret;
|
842 | e89f66ec | bellard | } |
843 | e89f66ec | bellard | |
844 | e89f66ec | bellard | /* called for accesses between 0xa0000 and 0xc0000 */
|
845 | a8170e5e | Avi Kivity | void vga_mem_writeb(VGACommonState *s, hwaddr addr, uint32_t val)
|
846 | e89f66ec | bellard | { |
847 | 546fa6ab | bellard | int memory_map_mode, plane, write_mode, b, func_select, mask;
|
848 | e89f66ec | bellard | uint32_t write_mask, bit_mask, set_mask; |
849 | e89f66ec | bellard | |
850 | 17b0018b | bellard | #ifdef DEBUG_VGA_MEM
|
851 | 0bf9e31a | Blue Swirl | printf("vga: [0x" TARGET_FMT_plx "] = 0x%02x\n", addr, val); |
852 | e89f66ec | bellard | #endif
|
853 | e89f66ec | bellard | /* convert to VGA memory offset */
|
854 | 5e55efc9 | Blue Swirl | memory_map_mode = (s->gr[VGA_GFX_MISC] >> 2) & 3; |
855 | 26aa7d72 | bellard | addr &= 0x1ffff;
|
856 | e89f66ec | bellard | switch(memory_map_mode) {
|
857 | e89f66ec | bellard | case 0: |
858 | e89f66ec | bellard | break;
|
859 | e89f66ec | bellard | case 1: |
860 | 26aa7d72 | bellard | if (addr >= 0x10000) |
861 | e89f66ec | bellard | return;
|
862 | cae61cef | bellard | addr += s->bank_offset; |
863 | e89f66ec | bellard | break;
|
864 | e89f66ec | bellard | case 2: |
865 | 26aa7d72 | bellard | addr -= 0x10000;
|
866 | e89f66ec | bellard | if (addr >= 0x8000) |
867 | e89f66ec | bellard | return;
|
868 | e89f66ec | bellard | break;
|
869 | e89f66ec | bellard | default:
|
870 | e89f66ec | bellard | case 3: |
871 | 26aa7d72 | bellard | addr -= 0x18000;
|
872 | c92b2e84 | bellard | if (addr >= 0x8000) |
873 | c92b2e84 | bellard | return;
|
874 | e89f66ec | bellard | break;
|
875 | e89f66ec | bellard | } |
876 | 3b46e624 | ths | |
877 | 5e55efc9 | Blue Swirl | if (s->sr[VGA_SEQ_MEMORY_MODE] & VGA_SR04_CHN_4M) {
|
878 | e89f66ec | bellard | /* chain 4 mode : simplest access */
|
879 | e89f66ec | bellard | plane = addr & 3;
|
880 | 546fa6ab | bellard | mask = (1 << plane);
|
881 | 5e55efc9 | Blue Swirl | if (s->sr[VGA_SEQ_PLANE_WRITE] & mask) {
|
882 | e89f66ec | bellard | s->vram_ptr[addr] = val; |
883 | 17b0018b | bellard | #ifdef DEBUG_VGA_MEM
|
884 | 0bf9e31a | Blue Swirl | printf("vga: chain4: [0x" TARGET_FMT_plx "]\n", addr); |
885 | e89f66ec | bellard | #endif
|
886 | 546fa6ab | bellard | s->plane_updated |= mask; /* only used to detect font change */
|
887 | fd4aa979 | Blue Swirl | memory_region_set_dirty(&s->vram, addr, 1);
|
888 | e89f66ec | bellard | } |
889 | 5e55efc9 | Blue Swirl | } else if (s->gr[VGA_GFX_MODE] & 0x10) { |
890 | e89f66ec | bellard | /* odd/even mode (aka text mode mapping) */
|
891 | 5e55efc9 | Blue Swirl | plane = (s->gr[VGA_GFX_PLANE_READ] & 2) | (addr & 1); |
892 | 546fa6ab | bellard | mask = (1 << plane);
|
893 | 5e55efc9 | Blue Swirl | if (s->sr[VGA_SEQ_PLANE_WRITE] & mask) {
|
894 | e89f66ec | bellard | addr = ((addr & ~1) << 1) | plane; |
895 | e89f66ec | bellard | s->vram_ptr[addr] = val; |
896 | 17b0018b | bellard | #ifdef DEBUG_VGA_MEM
|
897 | 0bf9e31a | Blue Swirl | printf("vga: odd/even: [0x" TARGET_FMT_plx "]\n", addr); |
898 | e89f66ec | bellard | #endif
|
899 | 546fa6ab | bellard | s->plane_updated |= mask; /* only used to detect font change */
|
900 | fd4aa979 | Blue Swirl | memory_region_set_dirty(&s->vram, addr, 1);
|
901 | e89f66ec | bellard | } |
902 | e89f66ec | bellard | } else {
|
903 | e89f66ec | bellard | /* standard VGA latched access */
|
904 | 5e55efc9 | Blue Swirl | write_mode = s->gr[VGA_GFX_MODE] & 3;
|
905 | e89f66ec | bellard | switch(write_mode) {
|
906 | e89f66ec | bellard | default:
|
907 | e89f66ec | bellard | case 0: |
908 | e89f66ec | bellard | /* rotate */
|
909 | 5e55efc9 | Blue Swirl | b = s->gr[VGA_GFX_DATA_ROTATE] & 7;
|
910 | e89f66ec | bellard | val = ((val >> b) | (val << (8 - b))) & 0xff; |
911 | e89f66ec | bellard | val |= val << 8;
|
912 | e89f66ec | bellard | val |= val << 16;
|
913 | e89f66ec | bellard | |
914 | e89f66ec | bellard | /* apply set/reset mask */
|
915 | 5e55efc9 | Blue Swirl | set_mask = mask16[s->gr[VGA_GFX_SR_ENABLE]]; |
916 | 5e55efc9 | Blue Swirl | val = (val & ~set_mask) | |
917 | 5e55efc9 | Blue Swirl | (mask16[s->gr[VGA_GFX_SR_VALUE]] & set_mask); |
918 | 5e55efc9 | Blue Swirl | bit_mask = s->gr[VGA_GFX_BIT_MASK]; |
919 | e89f66ec | bellard | break;
|
920 | e89f66ec | bellard | case 1: |
921 | e89f66ec | bellard | val = s->latch; |
922 | e89f66ec | bellard | goto do_write;
|
923 | e89f66ec | bellard | case 2: |
924 | e89f66ec | bellard | val = mask16[val & 0x0f];
|
925 | 5e55efc9 | Blue Swirl | bit_mask = s->gr[VGA_GFX_BIT_MASK]; |
926 | e89f66ec | bellard | break;
|
927 | e89f66ec | bellard | case 3: |
928 | e89f66ec | bellard | /* rotate */
|
929 | 5e55efc9 | Blue Swirl | b = s->gr[VGA_GFX_DATA_ROTATE] & 7;
|
930 | a41bc9af | bellard | val = (val >> b) | (val << (8 - b));
|
931 | e89f66ec | bellard | |
932 | 5e55efc9 | Blue Swirl | bit_mask = s->gr[VGA_GFX_BIT_MASK] & val; |
933 | 5e55efc9 | Blue Swirl | val = mask16[s->gr[VGA_GFX_SR_VALUE]]; |
934 | e89f66ec | bellard | break;
|
935 | e89f66ec | bellard | } |
936 | e89f66ec | bellard | |
937 | e89f66ec | bellard | /* apply logical operation */
|
938 | 5e55efc9 | Blue Swirl | func_select = s->gr[VGA_GFX_DATA_ROTATE] >> 3;
|
939 | e89f66ec | bellard | switch(func_select) {
|
940 | e89f66ec | bellard | case 0: |
941 | e89f66ec | bellard | default:
|
942 | e89f66ec | bellard | /* nothing to do */
|
943 | e89f66ec | bellard | break;
|
944 | e89f66ec | bellard | case 1: |
945 | e89f66ec | bellard | /* and */
|
946 | e89f66ec | bellard | val &= s->latch; |
947 | e89f66ec | bellard | break;
|
948 | e89f66ec | bellard | case 2: |
949 | e89f66ec | bellard | /* or */
|
950 | e89f66ec | bellard | val |= s->latch; |
951 | e89f66ec | bellard | break;
|
952 | e89f66ec | bellard | case 3: |
953 | e89f66ec | bellard | /* xor */
|
954 | e89f66ec | bellard | val ^= s->latch; |
955 | e89f66ec | bellard | break;
|
956 | e89f66ec | bellard | } |
957 | e89f66ec | bellard | |
958 | e89f66ec | bellard | /* apply bit mask */
|
959 | e89f66ec | bellard | bit_mask |= bit_mask << 8;
|
960 | e89f66ec | bellard | bit_mask |= bit_mask << 16;
|
961 | e89f66ec | bellard | val = (val & bit_mask) | (s->latch & ~bit_mask); |
962 | e89f66ec | bellard | |
963 | e89f66ec | bellard | do_write:
|
964 | e89f66ec | bellard | /* mask data according to sr[2] */
|
965 | 5e55efc9 | Blue Swirl | mask = s->sr[VGA_SEQ_PLANE_WRITE]; |
966 | 546fa6ab | bellard | s->plane_updated |= mask; /* only used to detect font change */
|
967 | 546fa6ab | bellard | write_mask = mask16[mask]; |
968 | 5fafdf24 | ths | ((uint32_t *)s->vram_ptr)[addr] = |
969 | 5fafdf24 | ths | (((uint32_t *)s->vram_ptr)[addr] & ~write_mask) | |
970 | e89f66ec | bellard | (val & write_mask); |
971 | 17b0018b | bellard | #ifdef DEBUG_VGA_MEM
|
972 | 0bf9e31a | Blue Swirl | printf("vga: latch: [0x" TARGET_FMT_plx "] mask=0x%08x val=0x%08x\n", |
973 | 0bf9e31a | Blue Swirl | addr * 4, write_mask, val);
|
974 | e89f66ec | bellard | #endif
|
975 | fd4aa979 | Blue Swirl | memory_region_set_dirty(&s->vram, addr << 2, sizeof(uint32_t)); |
976 | e89f66ec | bellard | } |
977 | e89f66ec | bellard | } |
978 | e89f66ec | bellard | |
979 | e89f66ec | bellard | typedef void vga_draw_glyph8_func(uint8_t *d, int linesize, |
980 | e89f66ec | bellard | const uint8_t *font_ptr, int h, |
981 | e89f66ec | bellard | uint32_t fgcol, uint32_t bgcol); |
982 | e89f66ec | bellard | typedef void vga_draw_glyph9_func(uint8_t *d, int linesize, |
983 | 5fafdf24 | ths | const uint8_t *font_ptr, int h, |
984 | e89f66ec | bellard | uint32_t fgcol, uint32_t bgcol, int dup9);
|
985 | cedd91d2 | Juan Quintela | typedef void vga_draw_line_func(VGACommonState *s1, uint8_t *d, |
986 | e89f66ec | bellard | const uint8_t *s, int width); |
987 | e89f66ec | bellard | |
988 | e89f66ec | bellard | #define DEPTH 8 |
989 | e89f66ec | bellard | #include "vga_template.h" |
990 | e89f66ec | bellard | |
991 | e89f66ec | bellard | #define DEPTH 15 |
992 | e89f66ec | bellard | #include "vga_template.h" |
993 | e89f66ec | bellard | |
994 | a2502b58 | blueswir1 | #define BGR_FORMAT
|
995 | a2502b58 | blueswir1 | #define DEPTH 15 |
996 | a2502b58 | blueswir1 | #include "vga_template.h" |
997 | a2502b58 | blueswir1 | |
998 | a2502b58 | blueswir1 | #define DEPTH 16 |
999 | a2502b58 | blueswir1 | #include "vga_template.h" |
1000 | a2502b58 | blueswir1 | |
1001 | a2502b58 | blueswir1 | #define BGR_FORMAT
|
1002 | e89f66ec | bellard | #define DEPTH 16 |
1003 | e89f66ec | bellard | #include "vga_template.h" |
1004 | e89f66ec | bellard | |
1005 | e89f66ec | bellard | #define DEPTH 32 |
1006 | e89f66ec | bellard | #include "vga_template.h" |
1007 | e89f66ec | bellard | |
1008 | d3079cd2 | bellard | #define BGR_FORMAT
|
1009 | d3079cd2 | bellard | #define DEPTH 32 |
1010 | d3079cd2 | bellard | #include "vga_template.h" |
1011 | d3079cd2 | bellard | |
1012 | 17b0018b | bellard | static unsigned int rgb_to_pixel8_dup(unsigned int r, unsigned int g, unsigned b) |
1013 | 17b0018b | bellard | { |
1014 | 17b0018b | bellard | unsigned int col; |
1015 | 17b0018b | bellard | col = rgb_to_pixel8(r, g, b); |
1016 | 17b0018b | bellard | col |= col << 8;
|
1017 | 17b0018b | bellard | col |= col << 16;
|
1018 | 17b0018b | bellard | return col;
|
1019 | 17b0018b | bellard | } |
1020 | 17b0018b | bellard | |
1021 | 17b0018b | bellard | static unsigned int rgb_to_pixel15_dup(unsigned int r, unsigned int g, unsigned b) |
1022 | 17b0018b | bellard | { |
1023 | 17b0018b | bellard | unsigned int col; |
1024 | 17b0018b | bellard | col = rgb_to_pixel15(r, g, b); |
1025 | 17b0018b | bellard | col |= col << 16;
|
1026 | 17b0018b | bellard | return col;
|
1027 | 17b0018b | bellard | } |
1028 | 17b0018b | bellard | |
1029 | b29169d2 | blueswir1 | static unsigned int rgb_to_pixel15bgr_dup(unsigned int r, unsigned int g, |
1030 | b29169d2 | blueswir1 | unsigned int b) |
1031 | b29169d2 | blueswir1 | { |
1032 | b29169d2 | blueswir1 | unsigned int col; |
1033 | b29169d2 | blueswir1 | col = rgb_to_pixel15bgr(r, g, b); |
1034 | b29169d2 | blueswir1 | col |= col << 16;
|
1035 | b29169d2 | blueswir1 | return col;
|
1036 | b29169d2 | blueswir1 | } |
1037 | b29169d2 | blueswir1 | |
1038 | 17b0018b | bellard | static unsigned int rgb_to_pixel16_dup(unsigned int r, unsigned int g, unsigned b) |
1039 | 17b0018b | bellard | { |
1040 | 17b0018b | bellard | unsigned int col; |
1041 | 17b0018b | bellard | col = rgb_to_pixel16(r, g, b); |
1042 | 17b0018b | bellard | col |= col << 16;
|
1043 | 17b0018b | bellard | return col;
|
1044 | 17b0018b | bellard | } |
1045 | 17b0018b | bellard | |
1046 | b29169d2 | blueswir1 | static unsigned int rgb_to_pixel16bgr_dup(unsigned int r, unsigned int g, |
1047 | b29169d2 | blueswir1 | unsigned int b) |
1048 | b29169d2 | blueswir1 | { |
1049 | b29169d2 | blueswir1 | unsigned int col; |
1050 | b29169d2 | blueswir1 | col = rgb_to_pixel16bgr(r, g, b); |
1051 | b29169d2 | blueswir1 | col |= col << 16;
|
1052 | b29169d2 | blueswir1 | return col;
|
1053 | b29169d2 | blueswir1 | } |
1054 | b29169d2 | blueswir1 | |
1055 | 17b0018b | bellard | static unsigned int rgb_to_pixel32_dup(unsigned int r, unsigned int g, unsigned b) |
1056 | 17b0018b | bellard | { |
1057 | 17b0018b | bellard | unsigned int col; |
1058 | 17b0018b | bellard | col = rgb_to_pixel32(r, g, b); |
1059 | 17b0018b | bellard | return col;
|
1060 | 17b0018b | bellard | } |
1061 | 17b0018b | bellard | |
1062 | d3079cd2 | bellard | static unsigned int rgb_to_pixel32bgr_dup(unsigned int r, unsigned int g, unsigned b) |
1063 | d3079cd2 | bellard | { |
1064 | d3079cd2 | bellard | unsigned int col; |
1065 | d3079cd2 | bellard | col = rgb_to_pixel32bgr(r, g, b); |
1066 | d3079cd2 | bellard | return col;
|
1067 | d3079cd2 | bellard | } |
1068 | d3079cd2 | bellard | |
1069 | e89f66ec | bellard | /* return true if the palette was modified */
|
1070 | cedd91d2 | Juan Quintela | static int update_palette16(VGACommonState *s) |
1071 | e89f66ec | bellard | { |
1072 | 17b0018b | bellard | int full_update, i;
|
1073 | e89f66ec | bellard | uint32_t v, col, *palette; |
1074 | e89f66ec | bellard | |
1075 | e89f66ec | bellard | full_update = 0;
|
1076 | e89f66ec | bellard | palette = s->last_palette; |
1077 | e89f66ec | bellard | for(i = 0; i < 16; i++) { |
1078 | e89f66ec | bellard | v = s->ar[i]; |
1079 | 5e55efc9 | Blue Swirl | if (s->ar[VGA_ATC_MODE] & 0x80) { |
1080 | 5e55efc9 | Blue Swirl | v = ((s->ar[VGA_ATC_COLOR_PAGE] & 0xf) << 4) | (v & 0xf); |
1081 | 5e55efc9 | Blue Swirl | } else {
|
1082 | 5e55efc9 | Blue Swirl | v = ((s->ar[VGA_ATC_COLOR_PAGE] & 0xc) << 4) | (v & 0x3f); |
1083 | 5e55efc9 | Blue Swirl | } |
1084 | e89f66ec | bellard | v = v * 3;
|
1085 | 5fafdf24 | ths | col = s->rgb_to_pixel(c6_to_8(s->palette[v]), |
1086 | 5fafdf24 | ths | c6_to_8(s->palette[v + 1]),
|
1087 | 17b0018b | bellard | c6_to_8(s->palette[v + 2]));
|
1088 | 17b0018b | bellard | if (col != palette[i]) {
|
1089 | 17b0018b | bellard | full_update = 1;
|
1090 | 17b0018b | bellard | palette[i] = col; |
1091 | e89f66ec | bellard | } |
1092 | 17b0018b | bellard | } |
1093 | 17b0018b | bellard | return full_update;
|
1094 | 17b0018b | bellard | } |
1095 | 17b0018b | bellard | |
1096 | 17b0018b | bellard | /* return true if the palette was modified */
|
1097 | cedd91d2 | Juan Quintela | static int update_palette256(VGACommonState *s) |
1098 | 17b0018b | bellard | { |
1099 | 17b0018b | bellard | int full_update, i;
|
1100 | 17b0018b | bellard | uint32_t v, col, *palette; |
1101 | 17b0018b | bellard | |
1102 | 17b0018b | bellard | full_update = 0;
|
1103 | 17b0018b | bellard | palette = s->last_palette; |
1104 | 17b0018b | bellard | v = 0;
|
1105 | 17b0018b | bellard | for(i = 0; i < 256; i++) { |
1106 | 37dd208d | bellard | if (s->dac_8bit) {
|
1107 | 5fafdf24 | ths | col = s->rgb_to_pixel(s->palette[v], |
1108 | 5fafdf24 | ths | s->palette[v + 1],
|
1109 | 37dd208d | bellard | s->palette[v + 2]);
|
1110 | 37dd208d | bellard | } else {
|
1111 | 5fafdf24 | ths | col = s->rgb_to_pixel(c6_to_8(s->palette[v]), |
1112 | 5fafdf24 | ths | c6_to_8(s->palette[v + 1]),
|
1113 | 37dd208d | bellard | c6_to_8(s->palette[v + 2]));
|
1114 | 37dd208d | bellard | } |
1115 | e89f66ec | bellard | if (col != palette[i]) {
|
1116 | e89f66ec | bellard | full_update = 1;
|
1117 | e89f66ec | bellard | palette[i] = col; |
1118 | e89f66ec | bellard | } |
1119 | 17b0018b | bellard | v += 3;
|
1120 | e89f66ec | bellard | } |
1121 | e89f66ec | bellard | return full_update;
|
1122 | e89f66ec | bellard | } |
1123 | e89f66ec | bellard | |
1124 | cedd91d2 | Juan Quintela | static void vga_get_offsets(VGACommonState *s, |
1125 | 5fafdf24 | ths | uint32_t *pline_offset, |
1126 | 83acc96b | bellard | uint32_t *pstart_addr, |
1127 | 83acc96b | bellard | uint32_t *pline_compare) |
1128 | e89f66ec | bellard | { |
1129 | 83acc96b | bellard | uint32_t start_addr, line_offset, line_compare; |
1130 | a96d8bea | Gerd Hoffmann | |
1131 | 4fa0f5d2 | bellard | if (s->vbe_regs[VBE_DISPI_INDEX_ENABLE] & VBE_DISPI_ENABLED) {
|
1132 | 4fa0f5d2 | bellard | line_offset = s->vbe_line_offset; |
1133 | 4fa0f5d2 | bellard | start_addr = s->vbe_start_addr; |
1134 | 83acc96b | bellard | line_compare = 65535;
|
1135 | a96d8bea | Gerd Hoffmann | } else {
|
1136 | 4fa0f5d2 | bellard | /* compute line_offset in bytes */
|
1137 | 5e55efc9 | Blue Swirl | line_offset = s->cr[VGA_CRTC_OFFSET]; |
1138 | 4fa0f5d2 | bellard | line_offset <<= 3;
|
1139 | 08e48902 | bellard | |
1140 | 4fa0f5d2 | bellard | /* starting address */
|
1141 | 5e55efc9 | Blue Swirl | start_addr = s->cr[VGA_CRTC_START_LO] | |
1142 | 5e55efc9 | Blue Swirl | (s->cr[VGA_CRTC_START_HI] << 8);
|
1143 | 83acc96b | bellard | |
1144 | 83acc96b | bellard | /* line compare */
|
1145 | 5e55efc9 | Blue Swirl | line_compare = s->cr[VGA_CRTC_LINE_COMPARE] | |
1146 | 5e55efc9 | Blue Swirl | ((s->cr[VGA_CRTC_OVERFLOW] & 0x10) << 4) | |
1147 | 5e55efc9 | Blue Swirl | ((s->cr[VGA_CRTC_MAX_SCAN] & 0x40) << 3); |
1148 | 4fa0f5d2 | bellard | } |
1149 | 798b0c25 | bellard | *pline_offset = line_offset; |
1150 | 798b0c25 | bellard | *pstart_addr = start_addr; |
1151 | 83acc96b | bellard | *pline_compare = line_compare; |
1152 | 798b0c25 | bellard | } |
1153 | 798b0c25 | bellard | |
1154 | 798b0c25 | bellard | /* update start_addr and line_offset. Return TRUE if modified */
|
1155 | cedd91d2 | Juan Quintela | static int update_basic_params(VGACommonState *s) |
1156 | 798b0c25 | bellard | { |
1157 | 798b0c25 | bellard | int full_update;
|
1158 | 798b0c25 | bellard | uint32_t start_addr, line_offset, line_compare; |
1159 | 3b46e624 | ths | |
1160 | 798b0c25 | bellard | full_update = 0;
|
1161 | 798b0c25 | bellard | |
1162 | 83acc96b | bellard | s->get_offsets(s, &line_offset, &start_addr, &line_compare); |
1163 | e89f66ec | bellard | |
1164 | e89f66ec | bellard | if (line_offset != s->line_offset ||
|
1165 | e89f66ec | bellard | start_addr != s->start_addr || |
1166 | e89f66ec | bellard | line_compare != s->line_compare) { |
1167 | e89f66ec | bellard | s->line_offset = line_offset; |
1168 | e89f66ec | bellard | s->start_addr = start_addr; |
1169 | e89f66ec | bellard | s->line_compare = line_compare; |
1170 | e89f66ec | bellard | full_update = 1;
|
1171 | e89f66ec | bellard | } |
1172 | e89f66ec | bellard | return full_update;
|
1173 | e89f66ec | bellard | } |
1174 | e89f66ec | bellard | |
1175 | b29169d2 | blueswir1 | #define NB_DEPTHS 7 |
1176 | d3079cd2 | bellard | |
1177 | d3079cd2 | bellard | static inline int get_depth_index(DisplayState *s) |
1178 | e89f66ec | bellard | { |
1179 | 0e1f5a0c | aliguori | switch(ds_get_bits_per_pixel(s)) {
|
1180 | e89f66ec | bellard | default:
|
1181 | e89f66ec | bellard | case 8: |
1182 | e89f66ec | bellard | return 0; |
1183 | e89f66ec | bellard | case 15: |
1184 | 8927bcfd | aliguori | return 1; |
1185 | e89f66ec | bellard | case 16: |
1186 | 8927bcfd | aliguori | return 2; |
1187 | e89f66ec | bellard | case 32: |
1188 | 7b5d76da | aliguori | if (is_surface_bgr(s->surface))
|
1189 | 7b5d76da | aliguori | return 4; |
1190 | 7b5d76da | aliguori | else
|
1191 | 7b5d76da | aliguori | return 3; |
1192 | e89f66ec | bellard | } |
1193 | e89f66ec | bellard | } |
1194 | e89f66ec | bellard | |
1195 | 68f04a3c | Blue Swirl | static vga_draw_glyph8_func * const vga_draw_glyph8_table[NB_DEPTHS] = { |
1196 | e89f66ec | bellard | vga_draw_glyph8_8, |
1197 | e89f66ec | bellard | vga_draw_glyph8_16, |
1198 | e89f66ec | bellard | vga_draw_glyph8_16, |
1199 | e89f66ec | bellard | vga_draw_glyph8_32, |
1200 | d3079cd2 | bellard | vga_draw_glyph8_32, |
1201 | b29169d2 | blueswir1 | vga_draw_glyph8_16, |
1202 | b29169d2 | blueswir1 | vga_draw_glyph8_16, |
1203 | e89f66ec | bellard | }; |
1204 | e89f66ec | bellard | |
1205 | 68f04a3c | Blue Swirl | static vga_draw_glyph8_func * const vga_draw_glyph16_table[NB_DEPTHS] = { |
1206 | 17b0018b | bellard | vga_draw_glyph16_8, |
1207 | 17b0018b | bellard | vga_draw_glyph16_16, |
1208 | 17b0018b | bellard | vga_draw_glyph16_16, |
1209 | 17b0018b | bellard | vga_draw_glyph16_32, |
1210 | d3079cd2 | bellard | vga_draw_glyph16_32, |
1211 | b29169d2 | blueswir1 | vga_draw_glyph16_16, |
1212 | b29169d2 | blueswir1 | vga_draw_glyph16_16, |
1213 | 17b0018b | bellard | }; |
1214 | 17b0018b | bellard | |
1215 | 68f04a3c | Blue Swirl | static vga_draw_glyph9_func * const vga_draw_glyph9_table[NB_DEPTHS] = { |
1216 | e89f66ec | bellard | vga_draw_glyph9_8, |
1217 | e89f66ec | bellard | vga_draw_glyph9_16, |
1218 | e89f66ec | bellard | vga_draw_glyph9_16, |
1219 | e89f66ec | bellard | vga_draw_glyph9_32, |
1220 | d3079cd2 | bellard | vga_draw_glyph9_32, |
1221 | b29169d2 | blueswir1 | vga_draw_glyph9_16, |
1222 | b29169d2 | blueswir1 | vga_draw_glyph9_16, |
1223 | e89f66ec | bellard | }; |
1224 | 3b46e624 | ths | |
1225 | e89f66ec | bellard | static const uint8_t cursor_glyph[32 * 4] = { |
1226 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1227 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1228 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1229 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1230 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1231 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1232 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1233 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1234 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1235 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1236 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1237 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1238 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1239 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1240 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1241 | e89f66ec | bellard | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
1242 | 3b46e624 | ths | }; |
1243 | e89f66ec | bellard | |
1244 | cedd91d2 | Juan Quintela | static void vga_get_text_resolution(VGACommonState *s, int *pwidth, int *pheight, |
1245 | 4c5e8c5c | blueswir1 | int *pcwidth, int *pcheight) |
1246 | 4c5e8c5c | blueswir1 | { |
1247 | 4c5e8c5c | blueswir1 | int width, cwidth, height, cheight;
|
1248 | 4c5e8c5c | blueswir1 | |
1249 | 4c5e8c5c | blueswir1 | /* total width & height */
|
1250 | 5e55efc9 | Blue Swirl | cheight = (s->cr[VGA_CRTC_MAX_SCAN] & 0x1f) + 1; |
1251 | 4c5e8c5c | blueswir1 | cwidth = 8;
|
1252 | 5e55efc9 | Blue Swirl | if (!(s->sr[VGA_SEQ_CLOCK_MODE] & VGA_SR01_CHAR_CLK_8DOTS)) {
|
1253 | 4c5e8c5c | blueswir1 | cwidth = 9;
|
1254 | 5e55efc9 | Blue Swirl | } |
1255 | 5e55efc9 | Blue Swirl | if (s->sr[VGA_SEQ_CLOCK_MODE] & 0x08) { |
1256 | 4c5e8c5c | blueswir1 | cwidth = 16; /* NOTE: no 18 pixel wide */ |
1257 | 5e55efc9 | Blue Swirl | } |
1258 | 5e55efc9 | Blue Swirl | width = (s->cr[VGA_CRTC_H_DISP] + 1);
|
1259 | 5e55efc9 | Blue Swirl | if (s->cr[VGA_CRTC_V_TOTAL] == 100) { |
1260 | 4c5e8c5c | blueswir1 | /* ugly hack for CGA 160x100x16 - explain me the logic */
|
1261 | 4c5e8c5c | blueswir1 | height = 100;
|
1262 | 4c5e8c5c | blueswir1 | } else {
|
1263 | 5e55efc9 | Blue Swirl | height = s->cr[VGA_CRTC_V_DISP_END] | |
1264 | 5e55efc9 | Blue Swirl | ((s->cr[VGA_CRTC_OVERFLOW] & 0x02) << 7) | |
1265 | 5e55efc9 | Blue Swirl | ((s->cr[VGA_CRTC_OVERFLOW] & 0x40) << 3); |
1266 | 4c5e8c5c | blueswir1 | height = (height + 1) / cheight;
|
1267 | 4c5e8c5c | blueswir1 | } |
1268 | 4c5e8c5c | blueswir1 | |
1269 | 4c5e8c5c | blueswir1 | *pwidth = width; |
1270 | 4c5e8c5c | blueswir1 | *pheight = height; |
1271 | 4c5e8c5c | blueswir1 | *pcwidth = cwidth; |
1272 | 4c5e8c5c | blueswir1 | *pcheight = cheight; |
1273 | 4c5e8c5c | blueswir1 | } |
1274 | 4c5e8c5c | blueswir1 | |
1275 | 7d957bd8 | aliguori | typedef unsigned int rgb_to_pixel_dup_func(unsigned int r, unsigned int g, unsigned b); |
1276 | 7d957bd8 | aliguori | |
1277 | 68f04a3c | Blue Swirl | static rgb_to_pixel_dup_func * const rgb_to_pixel_dup_table[NB_DEPTHS] = { |
1278 | bdb19571 | aliguori | rgb_to_pixel8_dup, |
1279 | bdb19571 | aliguori | rgb_to_pixel15_dup, |
1280 | bdb19571 | aliguori | rgb_to_pixel16_dup, |
1281 | bdb19571 | aliguori | rgb_to_pixel32_dup, |
1282 | bdb19571 | aliguori | rgb_to_pixel32bgr_dup, |
1283 | bdb19571 | aliguori | rgb_to_pixel15bgr_dup, |
1284 | bdb19571 | aliguori | rgb_to_pixel16bgr_dup, |
1285 | bdb19571 | aliguori | }; |
1286 | 7d957bd8 | aliguori | |
1287 | 5fafdf24 | ths | /*
|
1288 | 5fafdf24 | ths | * Text mode update
|
1289 | e89f66ec | bellard | * Missing:
|
1290 | e89f66ec | bellard | * - double scan
|
1291 | 5fafdf24 | ths | * - double width
|
1292 | e89f66ec | bellard | * - underline
|
1293 | e89f66ec | bellard | * - flashing
|
1294 | e89f66ec | bellard | */
|
1295 | cedd91d2 | Juan Quintela | static void vga_draw_text(VGACommonState *s, int full_update) |
1296 | e89f66ec | bellard | { |
1297 | e89f66ec | bellard | int cx, cy, cheight, cw, ch, cattr, height, width, ch_attr;
|
1298 | cae334cd | malc | int cx_min, cx_max, linesize, x_incr, line, line1;
|
1299 | e89f66ec | bellard | uint32_t offset, fgcol, bgcol, v, cursor_offset; |
1300 | d1984194 | malc | uint8_t *d1, *d, *src, *dest, *cursor_ptr; |
1301 | e89f66ec | bellard | const uint8_t *font_ptr, *font_base[2]; |
1302 | e89f66ec | bellard | int dup9, line_offset, depth_index;
|
1303 | e89f66ec | bellard | uint32_t *palette; |
1304 | e89f66ec | bellard | uint32_t *ch_attr_ptr; |
1305 | e89f66ec | bellard | vga_draw_glyph8_func *vga_draw_glyph8; |
1306 | e89f66ec | bellard | vga_draw_glyph9_func *vga_draw_glyph9; |
1307 | 9aa0ff0b | Jan Kiszka | int64_t now = qemu_get_clock_ms(vm_clock); |
1308 | e89f66ec | bellard | |
1309 | e89f66ec | bellard | /* compute font data address (in plane 2) */
|
1310 | 5e55efc9 | Blue Swirl | v = s->sr[VGA_SEQ_CHARACTER_MAP]; |
1311 | 1078f663 | bellard | offset = (((v >> 4) & 1) | ((v << 1) & 6)) * 8192 * 4 + 2; |
1312 | e89f66ec | bellard | if (offset != s->font_offsets[0]) { |
1313 | e89f66ec | bellard | s->font_offsets[0] = offset;
|
1314 | e89f66ec | bellard | full_update = 1;
|
1315 | e89f66ec | bellard | } |
1316 | e89f66ec | bellard | font_base[0] = s->vram_ptr + offset;
|
1317 | e89f66ec | bellard | |
1318 | 1078f663 | bellard | offset = (((v >> 5) & 1) | ((v >> 1) & 6)) * 8192 * 4 + 2; |
1319 | e89f66ec | bellard | font_base[1] = s->vram_ptr + offset;
|
1320 | e89f66ec | bellard | if (offset != s->font_offsets[1]) { |
1321 | e89f66ec | bellard | s->font_offsets[1] = offset;
|
1322 | e89f66ec | bellard | full_update = 1;
|
1323 | e89f66ec | bellard | } |
1324 | 80763888 | Jan Kiszka | if (s->plane_updated & (1 << 2) || s->chain4_alias) { |
1325 | 546fa6ab | bellard | /* if the plane 2 was modified since the last display, it
|
1326 | 546fa6ab | bellard | indicates the font may have been modified */
|
1327 | 546fa6ab | bellard | s->plane_updated = 0;
|
1328 | 546fa6ab | bellard | full_update = 1;
|
1329 | 546fa6ab | bellard | } |
1330 | 799e709b | aliguori | full_update |= update_basic_params(s); |
1331 | e89f66ec | bellard | |
1332 | e89f66ec | bellard | line_offset = s->line_offset; |
1333 | e89f66ec | bellard | |
1334 | 4c5e8c5c | blueswir1 | vga_get_text_resolution(s, &width, &height, &cw, &cheight); |
1335 | 1b296044 | Stefan Weil | if ((height * width) <= 1) { |
1336 | 1b296044 | Stefan Weil | /* better than nothing: exit if transient size is too small */
|
1337 | 1b296044 | Stefan Weil | return;
|
1338 | 1b296044 | Stefan Weil | } |
1339 | 3294b949 | bellard | if ((height * width) > CH_ATTR_SIZE) {
|
1340 | 3294b949 | bellard | /* better than nothing: exit if transient size is too big */
|
1341 | 3294b949 | bellard | return;
|
1342 | 3294b949 | bellard | } |
1343 | 3294b949 | bellard | |
1344 | 799e709b | aliguori | if (width != s->last_width || height != s->last_height ||
|
1345 | 799e709b | aliguori | cw != s->last_cw || cheight != s->last_ch || s->last_depth) { |
1346 | 799e709b | aliguori | s->last_scr_width = width * cw; |
1347 | 799e709b | aliguori | s->last_scr_height = height * cheight; |
1348 | 799e709b | aliguori | qemu_console_resize(s->ds, s->last_scr_width, s->last_scr_height); |
1349 | 9678aedd | Gerd Hoffmann | dpy_text_resize(s->ds, width, height); |
1350 | 799e709b | aliguori | s->last_depth = 0;
|
1351 | 799e709b | aliguori | s->last_width = width; |
1352 | 799e709b | aliguori | s->last_height = height; |
1353 | 799e709b | aliguori | s->last_ch = cheight; |
1354 | 799e709b | aliguori | s->last_cw = cw; |
1355 | 799e709b | aliguori | full_update = 1;
|
1356 | 799e709b | aliguori | } |
1357 | 7d957bd8 | aliguori | s->rgb_to_pixel = |
1358 | 7d957bd8 | aliguori | rgb_to_pixel_dup_table[get_depth_index(s->ds)]; |
1359 | 7d957bd8 | aliguori | full_update |= update_palette16(s); |
1360 | 7d957bd8 | aliguori | palette = s->last_palette; |
1361 | 7d957bd8 | aliguori | x_incr = cw * ((ds_get_bits_per_pixel(s->ds) + 7) >> 3); |
1362 | 7d957bd8 | aliguori | |
1363 | 9678aedd | Gerd Hoffmann | if (full_update) {
|
1364 | 9678aedd | Gerd Hoffmann | s->full_update_text = 1;
|
1365 | 9678aedd | Gerd Hoffmann | } |
1366 | 9678aedd | Gerd Hoffmann | if (s->full_update_gfx) {
|
1367 | 9678aedd | Gerd Hoffmann | s->full_update_gfx = 0;
|
1368 | 9678aedd | Gerd Hoffmann | full_update |= 1;
|
1369 | 9678aedd | Gerd Hoffmann | } |
1370 | 9678aedd | Gerd Hoffmann | |
1371 | 5e55efc9 | Blue Swirl | cursor_offset = ((s->cr[VGA_CRTC_CURSOR_HI] << 8) |
|
1372 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_CURSOR_LO]) - s->start_addr; |
1373 | e89f66ec | bellard | if (cursor_offset != s->cursor_offset ||
|
1374 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_CURSOR_START] != s->cursor_start || |
1375 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_CURSOR_END] != s->cursor_end) { |
1376 | e89f66ec | bellard | /* if the cursor position changed, we update the old and new
|
1377 | e89f66ec | bellard | chars */
|
1378 | e89f66ec | bellard | if (s->cursor_offset < CH_ATTR_SIZE)
|
1379 | e89f66ec | bellard | s->last_ch_attr[s->cursor_offset] = -1;
|
1380 | e89f66ec | bellard | if (cursor_offset < CH_ATTR_SIZE)
|
1381 | e89f66ec | bellard | s->last_ch_attr[cursor_offset] = -1;
|
1382 | e89f66ec | bellard | s->cursor_offset = cursor_offset; |
1383 | 5e55efc9 | Blue Swirl | s->cursor_start = s->cr[VGA_CRTC_CURSOR_START]; |
1384 | 5e55efc9 | Blue Swirl | s->cursor_end = s->cr[VGA_CRTC_CURSOR_END]; |
1385 | e89f66ec | bellard | } |
1386 | 39cf7803 | bellard | cursor_ptr = s->vram_ptr + (s->start_addr + cursor_offset) * 4;
|
1387 | 9aa0ff0b | Jan Kiszka | if (now >= s->cursor_blink_time) {
|
1388 | 9aa0ff0b | Jan Kiszka | s->cursor_blink_time = now + VGA_TEXT_CURSOR_PERIOD_MS / 2;
|
1389 | 9aa0ff0b | Jan Kiszka | s->cursor_visible_phase = !s->cursor_visible_phase; |
1390 | 9aa0ff0b | Jan Kiszka | } |
1391 | 3b46e624 | ths | |
1392 | d3079cd2 | bellard | depth_index = get_depth_index(s->ds); |
1393 | 17b0018b | bellard | if (cw == 16) |
1394 | 17b0018b | bellard | vga_draw_glyph8 = vga_draw_glyph16_table[depth_index]; |
1395 | 17b0018b | bellard | else
|
1396 | 17b0018b | bellard | vga_draw_glyph8 = vga_draw_glyph8_table[depth_index]; |
1397 | e89f66ec | bellard | vga_draw_glyph9 = vga_draw_glyph9_table[depth_index]; |
1398 | 3b46e624 | ths | |
1399 | 0e1f5a0c | aliguori | dest = ds_get_data(s->ds); |
1400 | 0e1f5a0c | aliguori | linesize = ds_get_linesize(s->ds); |
1401 | e89f66ec | bellard | ch_attr_ptr = s->last_ch_attr; |
1402 | d1984194 | malc | line = 0;
|
1403 | d1984194 | malc | offset = s->start_addr * 4;
|
1404 | e89f66ec | bellard | for(cy = 0; cy < height; cy++) { |
1405 | e89f66ec | bellard | d1 = dest; |
1406 | d1984194 | malc | src = s->vram_ptr + offset; |
1407 | e89f66ec | bellard | cx_min = width; |
1408 | e89f66ec | bellard | cx_max = -1;
|
1409 | e89f66ec | bellard | for(cx = 0; cx < width; cx++) { |
1410 | e89f66ec | bellard | ch_attr = *(uint16_t *)src; |
1411 | 9aa0ff0b | Jan Kiszka | if (full_update || ch_attr != *ch_attr_ptr || src == cursor_ptr) {
|
1412 | e89f66ec | bellard | if (cx < cx_min)
|
1413 | e89f66ec | bellard | cx_min = cx; |
1414 | e89f66ec | bellard | if (cx > cx_max)
|
1415 | e89f66ec | bellard | cx_max = cx; |
1416 | e89f66ec | bellard | *ch_attr_ptr = ch_attr; |
1417 | e2542fe2 | Juan Quintela | #ifdef HOST_WORDS_BIGENDIAN
|
1418 | e89f66ec | bellard | ch = ch_attr >> 8;
|
1419 | e89f66ec | bellard | cattr = ch_attr & 0xff;
|
1420 | e89f66ec | bellard | #else
|
1421 | e89f66ec | bellard | ch = ch_attr & 0xff;
|
1422 | e89f66ec | bellard | cattr = ch_attr >> 8;
|
1423 | e89f66ec | bellard | #endif
|
1424 | e89f66ec | bellard | font_ptr = font_base[(cattr >> 3) & 1]; |
1425 | e89f66ec | bellard | font_ptr += 32 * 4 * ch; |
1426 | e89f66ec | bellard | bgcol = palette[cattr >> 4];
|
1427 | e89f66ec | bellard | fgcol = palette[cattr & 0x0f];
|
1428 | 17b0018b | bellard | if (cw != 9) { |
1429 | 5fafdf24 | ths | vga_draw_glyph8(d1, linesize, |
1430 | e89f66ec | bellard | font_ptr, cheight, fgcol, bgcol); |
1431 | e89f66ec | bellard | } else {
|
1432 | e89f66ec | bellard | dup9 = 0;
|
1433 | 5e55efc9 | Blue Swirl | if (ch >= 0xb0 && ch <= 0xdf && |
1434 | 5e55efc9 | Blue Swirl | (s->ar[VGA_ATC_MODE] & 0x04)) {
|
1435 | e89f66ec | bellard | dup9 = 1;
|
1436 | 5e55efc9 | Blue Swirl | } |
1437 | 5fafdf24 | ths | vga_draw_glyph9(d1, linesize, |
1438 | e89f66ec | bellard | font_ptr, cheight, fgcol, bgcol, dup9); |
1439 | e89f66ec | bellard | } |
1440 | e89f66ec | bellard | if (src == cursor_ptr &&
|
1441 | 9aa0ff0b | Jan Kiszka | !(s->cr[VGA_CRTC_CURSOR_START] & 0x20) &&
|
1442 | 9aa0ff0b | Jan Kiszka | s->cursor_visible_phase) { |
1443 | e89f66ec | bellard | int line_start, line_last, h;
|
1444 | e89f66ec | bellard | /* draw the cursor */
|
1445 | 5e55efc9 | Blue Swirl | line_start = s->cr[VGA_CRTC_CURSOR_START] & 0x1f;
|
1446 | 5e55efc9 | Blue Swirl | line_last = s->cr[VGA_CRTC_CURSOR_END] & 0x1f;
|
1447 | e89f66ec | bellard | /* XXX: check that */
|
1448 | e89f66ec | bellard | if (line_last > cheight - 1) |
1449 | e89f66ec | bellard | line_last = cheight - 1;
|
1450 | e89f66ec | bellard | if (line_last >= line_start && line_start < cheight) {
|
1451 | e89f66ec | bellard | h = line_last - line_start + 1;
|
1452 | e89f66ec | bellard | d = d1 + linesize * line_start; |
1453 | 17b0018b | bellard | if (cw != 9) { |
1454 | 5fafdf24 | ths | vga_draw_glyph8(d, linesize, |
1455 | e89f66ec | bellard | cursor_glyph, h, fgcol, bgcol); |
1456 | e89f66ec | bellard | } else {
|
1457 | 5fafdf24 | ths | vga_draw_glyph9(d, linesize, |
1458 | e89f66ec | bellard | cursor_glyph, h, fgcol, bgcol, 1);
|
1459 | e89f66ec | bellard | } |
1460 | e89f66ec | bellard | } |
1461 | e89f66ec | bellard | } |
1462 | e89f66ec | bellard | } |
1463 | e89f66ec | bellard | d1 += x_incr; |
1464 | e89f66ec | bellard | src += 4;
|
1465 | e89f66ec | bellard | ch_attr_ptr++; |
1466 | e89f66ec | bellard | } |
1467 | e89f66ec | bellard | if (cx_max != -1) { |
1468 | a93a4a22 | Gerd Hoffmann | dpy_gfx_update(s->ds, cx_min * cw, cy * cheight, |
1469 | a93a4a22 | Gerd Hoffmann | (cx_max - cx_min + 1) * cw, cheight);
|
1470 | e89f66ec | bellard | } |
1471 | e89f66ec | bellard | dest += linesize * cheight; |
1472 | cae334cd | malc | line1 = line + cheight; |
1473 | cae334cd | malc | offset += line_offset; |
1474 | cae334cd | malc | if (line < s->line_compare && line1 >= s->line_compare) {
|
1475 | d1984194 | malc | offset = 0;
|
1476 | d1984194 | malc | } |
1477 | cae334cd | malc | line = line1; |
1478 | e89f66ec | bellard | } |
1479 | e89f66ec | bellard | } |
1480 | e89f66ec | bellard | |
1481 | 17b0018b | bellard | enum {
|
1482 | 17b0018b | bellard | VGA_DRAW_LINE2, |
1483 | 17b0018b | bellard | VGA_DRAW_LINE2D2, |
1484 | 17b0018b | bellard | VGA_DRAW_LINE4, |
1485 | 17b0018b | bellard | VGA_DRAW_LINE4D2, |
1486 | 17b0018b | bellard | VGA_DRAW_LINE8D2, |
1487 | 17b0018b | bellard | VGA_DRAW_LINE8, |
1488 | 17b0018b | bellard | VGA_DRAW_LINE15, |
1489 | 17b0018b | bellard | VGA_DRAW_LINE16, |
1490 | 4fa0f5d2 | bellard | VGA_DRAW_LINE24, |
1491 | 17b0018b | bellard | VGA_DRAW_LINE32, |
1492 | 17b0018b | bellard | VGA_DRAW_LINE_NB, |
1493 | 17b0018b | bellard | }; |
1494 | 17b0018b | bellard | |
1495 | 68f04a3c | Blue Swirl | static vga_draw_line_func * const vga_draw_line_table[NB_DEPTHS * VGA_DRAW_LINE_NB] = { |
1496 | e89f66ec | bellard | vga_draw_line2_8, |
1497 | e89f66ec | bellard | vga_draw_line2_16, |
1498 | e89f66ec | bellard | vga_draw_line2_16, |
1499 | e89f66ec | bellard | vga_draw_line2_32, |
1500 | d3079cd2 | bellard | vga_draw_line2_32, |
1501 | b29169d2 | blueswir1 | vga_draw_line2_16, |
1502 | b29169d2 | blueswir1 | vga_draw_line2_16, |
1503 | e89f66ec | bellard | |
1504 | 17b0018b | bellard | vga_draw_line2d2_8, |
1505 | 17b0018b | bellard | vga_draw_line2d2_16, |
1506 | 17b0018b | bellard | vga_draw_line2d2_16, |
1507 | 17b0018b | bellard | vga_draw_line2d2_32, |
1508 | d3079cd2 | bellard | vga_draw_line2d2_32, |
1509 | b29169d2 | blueswir1 | vga_draw_line2d2_16, |
1510 | b29169d2 | blueswir1 | vga_draw_line2d2_16, |
1511 | 17b0018b | bellard | |
1512 | e89f66ec | bellard | vga_draw_line4_8, |
1513 | e89f66ec | bellard | vga_draw_line4_16, |
1514 | e89f66ec | bellard | vga_draw_line4_16, |
1515 | e89f66ec | bellard | vga_draw_line4_32, |
1516 | d3079cd2 | bellard | vga_draw_line4_32, |
1517 | b29169d2 | blueswir1 | vga_draw_line4_16, |
1518 | b29169d2 | blueswir1 | vga_draw_line4_16, |
1519 | e89f66ec | bellard | |
1520 | 17b0018b | bellard | vga_draw_line4d2_8, |
1521 | 17b0018b | bellard | vga_draw_line4d2_16, |
1522 | 17b0018b | bellard | vga_draw_line4d2_16, |
1523 | 17b0018b | bellard | vga_draw_line4d2_32, |
1524 | d3079cd2 | bellard | vga_draw_line4d2_32, |
1525 | b29169d2 | blueswir1 | vga_draw_line4d2_16, |
1526 | b29169d2 | blueswir1 | vga_draw_line4d2_16, |
1527 | 17b0018b | bellard | |
1528 | 17b0018b | bellard | vga_draw_line8d2_8, |
1529 | 17b0018b | bellard | vga_draw_line8d2_16, |
1530 | 17b0018b | bellard | vga_draw_line8d2_16, |
1531 | 17b0018b | bellard | vga_draw_line8d2_32, |
1532 | d3079cd2 | bellard | vga_draw_line8d2_32, |
1533 | b29169d2 | blueswir1 | vga_draw_line8d2_16, |
1534 | b29169d2 | blueswir1 | vga_draw_line8d2_16, |
1535 | 17b0018b | bellard | |
1536 | e89f66ec | bellard | vga_draw_line8_8, |
1537 | e89f66ec | bellard | vga_draw_line8_16, |
1538 | e89f66ec | bellard | vga_draw_line8_16, |
1539 | e89f66ec | bellard | vga_draw_line8_32, |
1540 | d3079cd2 | bellard | vga_draw_line8_32, |
1541 | b29169d2 | blueswir1 | vga_draw_line8_16, |
1542 | b29169d2 | blueswir1 | vga_draw_line8_16, |
1543 | e89f66ec | bellard | |
1544 | e89f66ec | bellard | vga_draw_line15_8, |
1545 | e89f66ec | bellard | vga_draw_line15_15, |
1546 | e89f66ec | bellard | vga_draw_line15_16, |
1547 | e89f66ec | bellard | vga_draw_line15_32, |
1548 | d3079cd2 | bellard | vga_draw_line15_32bgr, |
1549 | b29169d2 | blueswir1 | vga_draw_line15_15bgr, |
1550 | b29169d2 | blueswir1 | vga_draw_line15_16bgr, |
1551 | e89f66ec | bellard | |
1552 | e89f66ec | bellard | vga_draw_line16_8, |
1553 | e89f66ec | bellard | vga_draw_line16_15, |
1554 | e89f66ec | bellard | vga_draw_line16_16, |
1555 | e89f66ec | bellard | vga_draw_line16_32, |
1556 | d3079cd2 | bellard | vga_draw_line16_32bgr, |
1557 | b29169d2 | blueswir1 | vga_draw_line16_15bgr, |
1558 | b29169d2 | blueswir1 | vga_draw_line16_16bgr, |
1559 | e89f66ec | bellard | |
1560 | 4fa0f5d2 | bellard | vga_draw_line24_8, |
1561 | 4fa0f5d2 | bellard | vga_draw_line24_15, |
1562 | 4fa0f5d2 | bellard | vga_draw_line24_16, |
1563 | 4fa0f5d2 | bellard | vga_draw_line24_32, |
1564 | d3079cd2 | bellard | vga_draw_line24_32bgr, |
1565 | b29169d2 | blueswir1 | vga_draw_line24_15bgr, |
1566 | b29169d2 | blueswir1 | vga_draw_line24_16bgr, |
1567 | 4fa0f5d2 | bellard | |
1568 | e89f66ec | bellard | vga_draw_line32_8, |
1569 | e89f66ec | bellard | vga_draw_line32_15, |
1570 | e89f66ec | bellard | vga_draw_line32_16, |
1571 | e89f66ec | bellard | vga_draw_line32_32, |
1572 | d3079cd2 | bellard | vga_draw_line32_32bgr, |
1573 | b29169d2 | blueswir1 | vga_draw_line32_15bgr, |
1574 | b29169d2 | blueswir1 | vga_draw_line32_16bgr, |
1575 | d3079cd2 | bellard | }; |
1576 | d3079cd2 | bellard | |
1577 | cedd91d2 | Juan Quintela | static int vga_get_bpp(VGACommonState *s) |
1578 | 798b0c25 | bellard | { |
1579 | 798b0c25 | bellard | int ret;
|
1580 | a96d8bea | Gerd Hoffmann | |
1581 | 798b0c25 | bellard | if (s->vbe_regs[VBE_DISPI_INDEX_ENABLE] & VBE_DISPI_ENABLED) {
|
1582 | 798b0c25 | bellard | ret = s->vbe_regs[VBE_DISPI_INDEX_BPP]; |
1583 | a96d8bea | Gerd Hoffmann | } else {
|
1584 | 798b0c25 | bellard | ret = 0;
|
1585 | 798b0c25 | bellard | } |
1586 | 798b0c25 | bellard | return ret;
|
1587 | 798b0c25 | bellard | } |
1588 | 798b0c25 | bellard | |
1589 | cedd91d2 | Juan Quintela | static void vga_get_resolution(VGACommonState *s, int *pwidth, int *pheight) |
1590 | a130a41e | bellard | { |
1591 | a130a41e | bellard | int width, height;
|
1592 | 3b46e624 | ths | |
1593 | 8454df8b | bellard | if (s->vbe_regs[VBE_DISPI_INDEX_ENABLE] & VBE_DISPI_ENABLED) {
|
1594 | 8454df8b | bellard | width = s->vbe_regs[VBE_DISPI_INDEX_XRES]; |
1595 | 8454df8b | bellard | height = s->vbe_regs[VBE_DISPI_INDEX_YRES]; |
1596 | a96d8bea | Gerd Hoffmann | } else {
|
1597 | 5e55efc9 | Blue Swirl | width = (s->cr[VGA_CRTC_H_DISP] + 1) * 8; |
1598 | 5e55efc9 | Blue Swirl | height = s->cr[VGA_CRTC_V_DISP_END] | |
1599 | 5e55efc9 | Blue Swirl | ((s->cr[VGA_CRTC_OVERFLOW] & 0x02) << 7) | |
1600 | 5e55efc9 | Blue Swirl | ((s->cr[VGA_CRTC_OVERFLOW] & 0x40) << 3); |
1601 | 8454df8b | bellard | height = (height + 1);
|
1602 | 8454df8b | bellard | } |
1603 | a130a41e | bellard | *pwidth = width; |
1604 | a130a41e | bellard | *pheight = height; |
1605 | a130a41e | bellard | } |
1606 | a130a41e | bellard | |
1607 | cedd91d2 | Juan Quintela | void vga_invalidate_scanlines(VGACommonState *s, int y1, int y2) |
1608 | a8aa669b | bellard | { |
1609 | a8aa669b | bellard | int y;
|
1610 | a8aa669b | bellard | if (y1 >= VGA_MAX_HEIGHT)
|
1611 | a8aa669b | bellard | return;
|
1612 | a8aa669b | bellard | if (y2 >= VGA_MAX_HEIGHT)
|
1613 | a8aa669b | bellard | y2 = VGA_MAX_HEIGHT; |
1614 | a8aa669b | bellard | for(y = y1; y < y2; y++) {
|
1615 | a8aa669b | bellard | s->invalidated_y_table[y >> 5] |= 1 << (y & 0x1f); |
1616 | a8aa669b | bellard | } |
1617 | a8aa669b | bellard | } |
1618 | a8aa669b | bellard | |
1619 | b51d7b2e | BALATON Zoltan | void vga_sync_dirty_bitmap(VGACommonState *s)
|
1620 | 2bec46dc | aliguori | { |
1621 | b1950430 | Avi Kivity | memory_region_sync_dirty_bitmap(&s->vram); |
1622 | 2bec46dc | aliguori | } |
1623 | 2bec46dc | aliguori | |
1624 | 50af3246 | Juan Quintela | void vga_dirty_log_start(VGACommonState *s)
|
1625 | 50af3246 | Juan Quintela | { |
1626 | b1950430 | Avi Kivity | memory_region_set_log(&s->vram, true, DIRTY_MEMORY_VGA);
|
1627 | b5cc6e32 | Anthony Liguori | } |
1628 | b5cc6e32 | Anthony Liguori | |
1629 | b5cc6e32 | Anthony Liguori | void vga_dirty_log_stop(VGACommonState *s)
|
1630 | b5cc6e32 | Anthony Liguori | { |
1631 | b1950430 | Avi Kivity | memory_region_set_log(&s->vram, false, DIRTY_MEMORY_VGA);
|
1632 | b5cc6e32 | Anthony Liguori | } |
1633 | b5cc6e32 | Anthony Liguori | |
1634 | 799e709b | aliguori | /*
|
1635 | 799e709b | aliguori | * graphic modes
|
1636 | 799e709b | aliguori | */
|
1637 | cedd91d2 | Juan Quintela | static void vga_draw_graphic(VGACommonState *s, int full_update) |
1638 | e89f66ec | bellard | { |
1639 | 12c7e75a | Avi Kivity | int y1, y, update, linesize, y_start, double_scan, mask, depth;
|
1640 | 12c7e75a | Avi Kivity | int width, height, shift_control, line_offset, bwidth, bits;
|
1641 | c227f099 | Anthony Liguori | ram_addr_t page0, page1, page_min, page_max; |
1642 | a07cf92a | bellard | int disp_width, multi_scan, multi_run;
|
1643 | 799e709b | aliguori | uint8_t *d; |
1644 | 799e709b | aliguori | uint32_t v, addr1, addr; |
1645 | 799e709b | aliguori | vga_draw_line_func *vga_draw_line; |
1646 | 799e709b | aliguori | |
1647 | 799e709b | aliguori | full_update |= update_basic_params(s); |
1648 | 799e709b | aliguori | |
1649 | 799e709b | aliguori | if (!full_update)
|
1650 | 799e709b | aliguori | vga_sync_dirty_bitmap(s); |
1651 | 2bec46dc | aliguori | |
1652 | a130a41e | bellard | s->get_resolution(s, &width, &height); |
1653 | 17b0018b | bellard | disp_width = width; |
1654 | 09a79b49 | bellard | |
1655 | 5e55efc9 | Blue Swirl | shift_control = (s->gr[VGA_GFX_MODE] >> 5) & 3; |
1656 | 5e55efc9 | Blue Swirl | double_scan = (s->cr[VGA_CRTC_MAX_SCAN] >> 7);
|
1657 | 799e709b | aliguori | if (shift_control != 1) { |
1658 | 5e55efc9 | Blue Swirl | multi_scan = (((s->cr[VGA_CRTC_MAX_SCAN] & 0x1f) + 1) << double_scan) |
1659 | 5e55efc9 | Blue Swirl | - 1;
|
1660 | 799e709b | aliguori | } else {
|
1661 | 799e709b | aliguori | /* in CGA modes, multi_scan is ignored */
|
1662 | 799e709b | aliguori | /* XXX: is it correct ? */
|
1663 | 799e709b | aliguori | multi_scan = double_scan; |
1664 | 799e709b | aliguori | } |
1665 | 799e709b | aliguori | multi_run = multi_scan; |
1666 | 17b0018b | bellard | if (shift_control != s->shift_control ||
|
1667 | 17b0018b | bellard | double_scan != s->double_scan) { |
1668 | 799e709b | aliguori | full_update = 1;
|
1669 | e89f66ec | bellard | s->shift_control = shift_control; |
1670 | 17b0018b | bellard | s->double_scan = double_scan; |
1671 | e89f66ec | bellard | } |
1672 | 3b46e624 | ths | |
1673 | aba35a6c | malc | if (shift_control == 0) { |
1674 | 5e55efc9 | Blue Swirl | if (s->sr[VGA_SEQ_CLOCK_MODE] & 8) { |
1675 | aba35a6c | malc | disp_width <<= 1;
|
1676 | aba35a6c | malc | } |
1677 | aba35a6c | malc | } else if (shift_control == 1) { |
1678 | 5e55efc9 | Blue Swirl | if (s->sr[VGA_SEQ_CLOCK_MODE] & 8) { |
1679 | aba35a6c | malc | disp_width <<= 1;
|
1680 | aba35a6c | malc | } |
1681 | aba35a6c | malc | } |
1682 | aba35a6c | malc | |
1683 | 799e709b | aliguori | depth = s->get_bpp(s); |
1684 | e3697092 | aurel32 | if (s->line_offset != s->last_line_offset ||
|
1685 | e3697092 | aurel32 | disp_width != s->last_width || |
1686 | e3697092 | aurel32 | height != s->last_height || |
1687 | 799e709b | aliguori | s->last_depth != depth) { |
1688 | e2542fe2 | Juan Quintela | #if defined(HOST_WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
|
1689 | e3697092 | aurel32 | if (depth == 16 || depth == 32) { |
1690 | 0da2ea1b | malc | #else
|
1691 | 0da2ea1b | malc | if (depth == 32) { |
1692 | 0da2ea1b | malc | #endif
|
1693 | b8c18e4c | aliguori | qemu_free_displaysurface(s->ds); |
1694 | b8c18e4c | aliguori | s->ds->surface = qemu_create_displaysurface_from(disp_width, height, depth, |
1695 | b8c18e4c | aliguori | s->line_offset, |
1696 | b8c18e4c | aliguori | s->vram_ptr + (s->start_addr * 4));
|
1697 | e2542fe2 | Juan Quintela | #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
|
1698 | b8c18e4c | aliguori | s->ds->surface->pf = qemu_different_endianness_pixelformat(depth); |
1699 | 0da2ea1b | malc | #endif
|
1700 | a93a4a22 | Gerd Hoffmann | dpy_gfx_resize(s->ds); |
1701 | e3697092 | aurel32 | } else {
|
1702 | e3697092 | aurel32 | qemu_console_resize(s->ds, disp_width, height); |
1703 | e3697092 | aurel32 | } |
1704 | e3697092 | aurel32 | s->last_scr_width = disp_width; |
1705 | e3697092 | aurel32 | s->last_scr_height = height; |
1706 | e3697092 | aurel32 | s->last_width = disp_width; |
1707 | e3697092 | aurel32 | s->last_height = height; |
1708 | e3697092 | aurel32 | s->last_line_offset = s->line_offset; |
1709 | e3697092 | aurel32 | s->last_depth = depth; |
1710 | 799e709b | aliguori | full_update = 1;
|
1711 | 799e709b | aliguori | } else if (is_buffer_shared(s->ds->surface) && |
1712 | 1fd2510a | Gerd Hoffmann | (full_update || ds_get_data(s->ds) != s->vram_ptr |
1713 | 1fd2510a | Gerd Hoffmann | + (s->start_addr * 4))) {
|
1714 | 1fd2510a | Gerd Hoffmann | qemu_free_displaysurface(s->ds); |
1715 | 1fd2510a | Gerd Hoffmann | s->ds->surface = qemu_create_displaysurface_from(disp_width, |
1716 | 1fd2510a | Gerd Hoffmann | height, depth, |
1717 | 1fd2510a | Gerd Hoffmann | s->line_offset, |
1718 | 1fd2510a | Gerd Hoffmann | s->vram_ptr + (s->start_addr * 4));
|
1719 | a93a4a22 | Gerd Hoffmann | dpy_gfx_setdata(s->ds); |
1720 | e3697092 | aurel32 | } |
1721 | e3697092 | aurel32 | |
1722 | e3697092 | aurel32 | s->rgb_to_pixel = |
1723 | e3697092 | aurel32 | rgb_to_pixel_dup_table[get_depth_index(s->ds)]; |
1724 | e3697092 | aurel32 | |
1725 | 799e709b | aliguori | if (shift_control == 0) { |
1726 | 17b0018b | bellard | full_update |= update_palette16(s); |
1727 | 5e55efc9 | Blue Swirl | if (s->sr[VGA_SEQ_CLOCK_MODE] & 8) { |
1728 | 17b0018b | bellard | v = VGA_DRAW_LINE4D2; |
1729 | 17b0018b | bellard | } else {
|
1730 | 17b0018b | bellard | v = VGA_DRAW_LINE4; |
1731 | 17b0018b | bellard | } |
1732 | 15342721 | aurel32 | bits = 4;
|
1733 | 799e709b | aliguori | } else if (shift_control == 1) { |
1734 | 17b0018b | bellard | full_update |= update_palette16(s); |
1735 | 5e55efc9 | Blue Swirl | if (s->sr[VGA_SEQ_CLOCK_MODE] & 8) { |
1736 | 17b0018b | bellard | v = VGA_DRAW_LINE2D2; |
1737 | 17b0018b | bellard | } else {
|
1738 | 17b0018b | bellard | v = VGA_DRAW_LINE2; |
1739 | 17b0018b | bellard | } |
1740 | 15342721 | aurel32 | bits = 4;
|
1741 | 17b0018b | bellard | } else {
|
1742 | 798b0c25 | bellard | switch(s->get_bpp(s)) {
|
1743 | 798b0c25 | bellard | default:
|
1744 | 798b0c25 | bellard | case 0: |
1745 | 4fa0f5d2 | bellard | full_update |= update_palette256(s); |
1746 | 4fa0f5d2 | bellard | v = VGA_DRAW_LINE8D2; |
1747 | 15342721 | aurel32 | bits = 4;
|
1748 | 798b0c25 | bellard | break;
|
1749 | 798b0c25 | bellard | case 8: |
1750 | 798b0c25 | bellard | full_update |= update_palette256(s); |
1751 | 798b0c25 | bellard | v = VGA_DRAW_LINE8; |
1752 | 15342721 | aurel32 | bits = 8;
|
1753 | 798b0c25 | bellard | break;
|
1754 | 798b0c25 | bellard | case 15: |
1755 | 798b0c25 | bellard | v = VGA_DRAW_LINE15; |
1756 | 15342721 | aurel32 | bits = 16;
|
1757 | 798b0c25 | bellard | break;
|
1758 | 798b0c25 | bellard | case 16: |
1759 | 798b0c25 | bellard | v = VGA_DRAW_LINE16; |
1760 | 15342721 | aurel32 | bits = 16;
|
1761 | 798b0c25 | bellard | break;
|
1762 | 798b0c25 | bellard | case 24: |
1763 | 798b0c25 | bellard | v = VGA_DRAW_LINE24; |
1764 | 15342721 | aurel32 | bits = 24;
|
1765 | 798b0c25 | bellard | break;
|
1766 | 798b0c25 | bellard | case 32: |
1767 | 798b0c25 | bellard | v = VGA_DRAW_LINE32; |
1768 | 15342721 | aurel32 | bits = 32;
|
1769 | 798b0c25 | bellard | break;
|
1770 | 4fa0f5d2 | bellard | } |
1771 | 17b0018b | bellard | } |
1772 | d3079cd2 | bellard | vga_draw_line = vga_draw_line_table[v * NB_DEPTHS + get_depth_index(s->ds)]; |
1773 | 17b0018b | bellard | |
1774 | 7d957bd8 | aliguori | if (!is_buffer_shared(s->ds->surface) && s->cursor_invalidate)
|
1775 | a8aa669b | bellard | s->cursor_invalidate(s); |
1776 | 3b46e624 | ths | |
1777 | e89f66ec | bellard | line_offset = s->line_offset; |
1778 | 17b0018b | bellard | #if 0
|
1779 | f6c958c8 | bellard | 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",
|
1780 | 5e55efc9 | Blue Swirl | width, height, v, line_offset, s->cr[9], s->cr[VGA_CRTC_MODE],
|
1781 | 5e55efc9 | Blue Swirl | s->line_compare, s->sr[VGA_SEQ_CLOCK_MODE]);
|
1782 | 17b0018b | bellard | #endif
|
1783 | e89f66ec | bellard | addr1 = (s->start_addr * 4);
|
1784 | 15342721 | aurel32 | bwidth = (width * bits + 7) / 8; |
1785 | 39cf7803 | bellard | y_start = -1;
|
1786 | 12c7e75a | Avi Kivity | page_min = -1;
|
1787 | 12c7e75a | Avi Kivity | page_max = 0;
|
1788 | 0e1f5a0c | aliguori | d = ds_get_data(s->ds); |
1789 | 0e1f5a0c | aliguori | linesize = ds_get_linesize(s->ds); |
1790 | 17b0018b | bellard | y1 = 0;
|
1791 | e89f66ec | bellard | for(y = 0; y < height; y++) { |
1792 | e89f66ec | bellard | addr = addr1; |
1793 | 5e55efc9 | Blue Swirl | if (!(s->cr[VGA_CRTC_MODE] & 1)) { |
1794 | 17b0018b | bellard | int shift;
|
1795 | e89f66ec | bellard | /* CGA compatibility handling */
|
1796 | 5e55efc9 | Blue Swirl | shift = 14 + ((s->cr[VGA_CRTC_MODE] >> 6) & 1); |
1797 | 17b0018b | bellard | addr = (addr & ~(1 << shift)) | ((y1 & 1) << shift); |
1798 | e89f66ec | bellard | } |
1799 | 5e55efc9 | Blue Swirl | if (!(s->cr[VGA_CRTC_MODE] & 2)) { |
1800 | 17b0018b | bellard | addr = (addr & ~0x8000) | ((y1 & 2) << 14); |
1801 | e89f66ec | bellard | } |
1802 | 734781c9 | Jan Kiszka | update = full_update; |
1803 | cd7a45c9 | Blue Swirl | page0 = addr; |
1804 | cd7a45c9 | Blue Swirl | page1 = addr + bwidth - 1;
|
1805 | 734781c9 | Jan Kiszka | update |= memory_region_get_dirty(&s->vram, page0, page1 - page0, |
1806 | 734781c9 | Jan Kiszka | DIRTY_MEMORY_VGA); |
1807 | a8aa669b | bellard | /* explicit invalidation for the hardware cursor */
|
1808 | a8aa669b | bellard | update |= (s->invalidated_y_table[y >> 5] >> (y & 0x1f)) & 1; |
1809 | e89f66ec | bellard | if (update) {
|
1810 | 39cf7803 | bellard | if (y_start < 0) |
1811 | 39cf7803 | bellard | y_start = y; |
1812 | e89f66ec | bellard | if (page0 < page_min)
|
1813 | e89f66ec | bellard | page_min = page0; |
1814 | e89f66ec | bellard | if (page1 > page_max)
|
1815 | e89f66ec | bellard | page_max = page1; |
1816 | 7d957bd8 | aliguori | if (!(is_buffer_shared(s->ds->surface))) {
|
1817 | 7d957bd8 | aliguori | vga_draw_line(s, d, s->vram_ptr + addr, width); |
1818 | 7d957bd8 | aliguori | if (s->cursor_draw_line)
|
1819 | 7d957bd8 | aliguori | s->cursor_draw_line(s, d, y); |
1820 | 7d957bd8 | aliguori | } |
1821 | 39cf7803 | bellard | } else {
|
1822 | 39cf7803 | bellard | if (y_start >= 0) { |
1823 | 39cf7803 | bellard | /* flush to display */
|
1824 | a93a4a22 | Gerd Hoffmann | dpy_gfx_update(s->ds, 0, y_start,
|
1825 | a93a4a22 | Gerd Hoffmann | disp_width, y - y_start); |
1826 | 39cf7803 | bellard | y_start = -1;
|
1827 | 39cf7803 | bellard | } |
1828 | e89f66ec | bellard | } |
1829 | a07cf92a | bellard | if (!multi_run) {
|
1830 | 5e55efc9 | Blue Swirl | mask = (s->cr[VGA_CRTC_MODE] & 3) ^ 3; |
1831 | f6c958c8 | bellard | if ((y1 & mask) == mask)
|
1832 | f6c958c8 | bellard | addr1 += line_offset; |
1833 | f6c958c8 | bellard | y1++; |
1834 | 799e709b | aliguori | multi_run = multi_scan; |
1835 | a07cf92a | bellard | } else {
|
1836 | a07cf92a | bellard | multi_run--; |
1837 | e89f66ec | bellard | } |
1838 | f6c958c8 | bellard | /* line compare acts on the displayed lines */
|
1839 | f6c958c8 | bellard | if (y == s->line_compare)
|
1840 | f6c958c8 | bellard | addr1 = 0;
|
1841 | e89f66ec | bellard | d += linesize; |
1842 | e89f66ec | bellard | } |
1843 | 39cf7803 | bellard | if (y_start >= 0) { |
1844 | 39cf7803 | bellard | /* flush to display */
|
1845 | a93a4a22 | Gerd Hoffmann | dpy_gfx_update(s->ds, 0, y_start,
|
1846 | a93a4a22 | Gerd Hoffmann | disp_width, y - y_start); |
1847 | 39cf7803 | bellard | } |
1848 | e89f66ec | bellard | /* reset modified pages */
|
1849 | 12c7e75a | Avi Kivity | if (page_max >= page_min) {
|
1850 | b1950430 | Avi Kivity | memory_region_reset_dirty(&s->vram, |
1851 | b1950430 | Avi Kivity | page_min, |
1852 | cd7a45c9 | Blue Swirl | page_max - page_min, |
1853 | b1950430 | Avi Kivity | DIRTY_MEMORY_VGA); |
1854 | e89f66ec | bellard | } |
1855 | a8aa669b | bellard | memset(s->invalidated_y_table, 0, ((height + 31) >> 5) * 4); |
1856 | e89f66ec | bellard | } |
1857 | e89f66ec | bellard | |
1858 | cedd91d2 | Juan Quintela | static void vga_draw_blank(VGACommonState *s, int full_update) |
1859 | 2aebb3eb | bellard | { |
1860 | 2aebb3eb | bellard | int i, w, val;
|
1861 | 2aebb3eb | bellard | uint8_t *d; |
1862 | 2aebb3eb | bellard | |
1863 | 2aebb3eb | bellard | if (!full_update)
|
1864 | 2aebb3eb | bellard | return;
|
1865 | 2aebb3eb | bellard | if (s->last_scr_width <= 0 || s->last_scr_height <= 0) |
1866 | 2aebb3eb | bellard | return;
|
1867 | 2bec46dc | aliguori | |
1868 | 7d957bd8 | aliguori | s->rgb_to_pixel = |
1869 | 7d957bd8 | aliguori | rgb_to_pixel_dup_table[get_depth_index(s->ds)]; |
1870 | 0e1f5a0c | aliguori | if (ds_get_bits_per_pixel(s->ds) == 8) |
1871 | 2aebb3eb | bellard | val = s->rgb_to_pixel(0, 0, 0); |
1872 | 2aebb3eb | bellard | else
|
1873 | 2aebb3eb | bellard | val = 0;
|
1874 | 0e1f5a0c | aliguori | w = s->last_scr_width * ((ds_get_bits_per_pixel(s->ds) + 7) >> 3); |
1875 | 0e1f5a0c | aliguori | d = ds_get_data(s->ds); |
1876 | 2aebb3eb | bellard | for(i = 0; i < s->last_scr_height; i++) { |
1877 | 2aebb3eb | bellard | memset(d, val, w); |
1878 | 0e1f5a0c | aliguori | d += ds_get_linesize(s->ds); |
1879 | 2aebb3eb | bellard | } |
1880 | a93a4a22 | Gerd Hoffmann | dpy_gfx_update(s->ds, 0, 0, |
1881 | a93a4a22 | Gerd Hoffmann | s->last_scr_width, s->last_scr_height); |
1882 | 2aebb3eb | bellard | } |
1883 | 2aebb3eb | bellard | |
1884 | 799e709b | aliguori | #define GMODE_TEXT 0 |
1885 | 799e709b | aliguori | #define GMODE_GRAPH 1 |
1886 | 799e709b | aliguori | #define GMODE_BLANK 2 |
1887 | 799e709b | aliguori | |
1888 | 95219897 | pbrook | static void vga_update_display(void *opaque) |
1889 | e89f66ec | bellard | { |
1890 | cedd91d2 | Juan Quintela | VGACommonState *s = opaque; |
1891 | 799e709b | aliguori | int full_update, graphic_mode;
|
1892 | e89f66ec | bellard | |
1893 | e9a07334 | Jan Kiszka | qemu_flush_coalesced_mmio_buffer(); |
1894 | e9a07334 | Jan Kiszka | |
1895 | 0e1f5a0c | aliguori | if (ds_get_bits_per_pixel(s->ds) == 0) { |
1896 | 0f35920c | bellard | /* nothing to do */
|
1897 | 59a983b9 | bellard | } else {
|
1898 | 3098b9fd | Aurelien Jarno | full_update = 0;
|
1899 | df800210 | malc | if (!(s->ar_index & 0x20)) { |
1900 | 799e709b | aliguori | graphic_mode = GMODE_BLANK; |
1901 | 799e709b | aliguori | } else {
|
1902 | 5e55efc9 | Blue Swirl | graphic_mode = s->gr[VGA_GFX_MISC] & VGA_GR06_GRAPHICS_MODE; |
1903 | 799e709b | aliguori | } |
1904 | 799e709b | aliguori | if (graphic_mode != s->graphic_mode) {
|
1905 | 799e709b | aliguori | s->graphic_mode = graphic_mode; |
1906 | 9aa0ff0b | Jan Kiszka | s->cursor_blink_time = qemu_get_clock_ms(vm_clock); |
1907 | 799e709b | aliguori | full_update = 1;
|
1908 | 799e709b | aliguori | } |
1909 | 799e709b | aliguori | switch(graphic_mode) {
|
1910 | 2aebb3eb | bellard | case GMODE_TEXT:
|
1911 | e89f66ec | bellard | vga_draw_text(s, full_update); |
1912 | 2aebb3eb | bellard | break;
|
1913 | 2aebb3eb | bellard | case GMODE_GRAPH:
|
1914 | 2aebb3eb | bellard | vga_draw_graphic(s, full_update); |
1915 | 2aebb3eb | bellard | break;
|
1916 | 2aebb3eb | bellard | case GMODE_BLANK:
|
1917 | 2aebb3eb | bellard | default:
|
1918 | 2aebb3eb | bellard | vga_draw_blank(s, full_update); |
1919 | 2aebb3eb | bellard | break;
|
1920 | 2aebb3eb | bellard | } |
1921 | e89f66ec | bellard | } |
1922 | e89f66ec | bellard | } |
1923 | e89f66ec | bellard | |
1924 | a130a41e | bellard | /* force a full display refresh */
|
1925 | 95219897 | pbrook | static void vga_invalidate_display(void *opaque) |
1926 | a130a41e | bellard | { |
1927 | cedd91d2 | Juan Quintela | VGACommonState *s = opaque; |
1928 | 3b46e624 | ths | |
1929 | 3098b9fd | Aurelien Jarno | s->last_width = -1;
|
1930 | 3098b9fd | Aurelien Jarno | s->last_height = -1;
|
1931 | a130a41e | bellard | } |
1932 | a130a41e | bellard | |
1933 | 03a3e7ba | Juan Quintela | void vga_common_reset(VGACommonState *s)
|
1934 | e89f66ec | bellard | { |
1935 | 6e6b7363 | blueswir1 | s->sr_index = 0;
|
1936 | 6e6b7363 | blueswir1 | memset(s->sr, '\0', sizeof(s->sr)); |
1937 | 6e6b7363 | blueswir1 | s->gr_index = 0;
|
1938 | 6e6b7363 | blueswir1 | memset(s->gr, '\0', sizeof(s->gr)); |
1939 | 6e6b7363 | blueswir1 | s->ar_index = 0;
|
1940 | 6e6b7363 | blueswir1 | memset(s->ar, '\0', sizeof(s->ar)); |
1941 | 6e6b7363 | blueswir1 | s->ar_flip_flop = 0;
|
1942 | 6e6b7363 | blueswir1 | s->cr_index = 0;
|
1943 | 6e6b7363 | blueswir1 | memset(s->cr, '\0', sizeof(s->cr)); |
1944 | 6e6b7363 | blueswir1 | s->msr = 0;
|
1945 | 6e6b7363 | blueswir1 | s->fcr = 0;
|
1946 | 6e6b7363 | blueswir1 | s->st00 = 0;
|
1947 | 6e6b7363 | blueswir1 | s->st01 = 0;
|
1948 | 6e6b7363 | blueswir1 | s->dac_state = 0;
|
1949 | 6e6b7363 | blueswir1 | s->dac_sub_index = 0;
|
1950 | 6e6b7363 | blueswir1 | s->dac_read_index = 0;
|
1951 | 6e6b7363 | blueswir1 | s->dac_write_index = 0;
|
1952 | 6e6b7363 | blueswir1 | memset(s->dac_cache, '\0', sizeof(s->dac_cache)); |
1953 | 6e6b7363 | blueswir1 | s->dac_8bit = 0;
|
1954 | 6e6b7363 | blueswir1 | memset(s->palette, '\0', sizeof(s->palette)); |
1955 | 6e6b7363 | blueswir1 | s->bank_offset = 0;
|
1956 | 6e6b7363 | blueswir1 | s->vbe_index = 0;
|
1957 | 6e6b7363 | blueswir1 | memset(s->vbe_regs, '\0', sizeof(s->vbe_regs)); |
1958 | af92284b | Gerd Hoffmann | s->vbe_regs[VBE_DISPI_INDEX_ID] = VBE_DISPI_ID5; |
1959 | 6e6b7363 | blueswir1 | s->vbe_start_addr = 0;
|
1960 | 6e6b7363 | blueswir1 | s->vbe_line_offset = 0;
|
1961 | 6e6b7363 | blueswir1 | s->vbe_bank_mask = (s->vram_size >> 16) - 1; |
1962 | 6e6b7363 | blueswir1 | memset(s->font_offsets, '\0', sizeof(s->font_offsets)); |
1963 | 799e709b | aliguori | s->graphic_mode = -1; /* force full update */ |
1964 | 6e6b7363 | blueswir1 | s->shift_control = 0;
|
1965 | 6e6b7363 | blueswir1 | s->double_scan = 0;
|
1966 | 6e6b7363 | blueswir1 | s->line_offset = 0;
|
1967 | 6e6b7363 | blueswir1 | s->line_compare = 0;
|
1968 | 6e6b7363 | blueswir1 | s->start_addr = 0;
|
1969 | 6e6b7363 | blueswir1 | s->plane_updated = 0;
|
1970 | 6e6b7363 | blueswir1 | s->last_cw = 0;
|
1971 | 6e6b7363 | blueswir1 | s->last_ch = 0;
|
1972 | 6e6b7363 | blueswir1 | s->last_width = 0;
|
1973 | 6e6b7363 | blueswir1 | s->last_height = 0;
|
1974 | 6e6b7363 | blueswir1 | s->last_scr_width = 0;
|
1975 | 6e6b7363 | blueswir1 | s->last_scr_height = 0;
|
1976 | 6e6b7363 | blueswir1 | s->cursor_start = 0;
|
1977 | 6e6b7363 | blueswir1 | s->cursor_end = 0;
|
1978 | 6e6b7363 | blueswir1 | s->cursor_offset = 0;
|
1979 | 6e6b7363 | blueswir1 | memset(s->invalidated_y_table, '\0', sizeof(s->invalidated_y_table)); |
1980 | 6e6b7363 | blueswir1 | memset(s->last_palette, '\0', sizeof(s->last_palette)); |
1981 | 6e6b7363 | blueswir1 | memset(s->last_ch_attr, '\0', sizeof(s->last_ch_attr)); |
1982 | 6e6b7363 | blueswir1 | switch (vga_retrace_method) {
|
1983 | 6e6b7363 | blueswir1 | case VGA_RETRACE_DUMB:
|
1984 | 6e6b7363 | blueswir1 | break;
|
1985 | 6e6b7363 | blueswir1 | case VGA_RETRACE_PRECISE:
|
1986 | 6e6b7363 | blueswir1 | memset(&s->retrace_info, 0, sizeof (s->retrace_info)); |
1987 | 6e6b7363 | blueswir1 | break;
|
1988 | 6e6b7363 | blueswir1 | } |
1989 | 80763888 | Jan Kiszka | vga_update_memory_access(s); |
1990 | e89f66ec | bellard | } |
1991 | e89f66ec | bellard | |
1992 | 03a3e7ba | Juan Quintela | static void vga_reset(void *opaque) |
1993 | 03a3e7ba | Juan Quintela | { |
1994 | cedd91d2 | Juan Quintela | VGACommonState *s = opaque; |
1995 | 03a3e7ba | Juan Quintela | vga_common_reset(s); |
1996 | 03a3e7ba | Juan Quintela | } |
1997 | 03a3e7ba | Juan Quintela | |
1998 | 4d3b6f6e | balrog | #define TEXTMODE_X(x) ((x) % width)
|
1999 | 4d3b6f6e | balrog | #define TEXTMODE_Y(x) ((x) / width)
|
2000 | 4d3b6f6e | balrog | #define VMEM2CHTYPE(v) ((v & 0xff0007ff) | \ |
2001 | 4d3b6f6e | balrog | ((v & 0x00000800) << 10) | ((v & 0x00007000) >> 1)) |
2002 | 4d3b6f6e | balrog | /* relay text rendering to the display driver
|
2003 | 4d3b6f6e | balrog | * instead of doing a full vga_update_display() */
|
2004 | c227f099 | Anthony Liguori | static void vga_update_text(void *opaque, console_ch_t *chardata) |
2005 | 4d3b6f6e | balrog | { |
2006 | cedd91d2 | Juan Quintela | VGACommonState *s = opaque; |
2007 | 799e709b | aliguori | int graphic_mode, i, cursor_offset, cursor_visible;
|
2008 | 4d3b6f6e | balrog | int cw, cheight, width, height, size, c_min, c_max;
|
2009 | 4d3b6f6e | balrog | uint32_t *src; |
2010 | c227f099 | Anthony Liguori | console_ch_t *dst, val; |
2011 | 4d3b6f6e | balrog | char msg_buffer[80]; |
2012 | 799e709b | aliguori | int full_update = 0; |
2013 | 799e709b | aliguori | |
2014 | e9a07334 | Jan Kiszka | qemu_flush_coalesced_mmio_buffer(); |
2015 | e9a07334 | Jan Kiszka | |
2016 | 799e709b | aliguori | if (!(s->ar_index & 0x20)) { |
2017 | 799e709b | aliguori | graphic_mode = GMODE_BLANK; |
2018 | 799e709b | aliguori | } else {
|
2019 | 5e55efc9 | Blue Swirl | graphic_mode = s->gr[VGA_GFX_MISC] & VGA_GR06_GRAPHICS_MODE; |
2020 | 799e709b | aliguori | } |
2021 | 799e709b | aliguori | if (graphic_mode != s->graphic_mode) {
|
2022 | 799e709b | aliguori | s->graphic_mode = graphic_mode; |
2023 | 799e709b | aliguori | full_update = 1;
|
2024 | 799e709b | aliguori | } |
2025 | 799e709b | aliguori | if (s->last_width == -1) { |
2026 | 799e709b | aliguori | s->last_width = 0;
|
2027 | 799e709b | aliguori | full_update = 1;
|
2028 | 799e709b | aliguori | } |
2029 | 4d3b6f6e | balrog | |
2030 | 799e709b | aliguori | switch (graphic_mode) {
|
2031 | 4d3b6f6e | balrog | case GMODE_TEXT:
|
2032 | 4d3b6f6e | balrog | /* TODO: update palette */
|
2033 | 799e709b | aliguori | full_update |= update_basic_params(s); |
2034 | 4d3b6f6e | balrog | |
2035 | 799e709b | aliguori | /* total width & height */
|
2036 | 5e55efc9 | Blue Swirl | cheight = (s->cr[VGA_CRTC_MAX_SCAN] & 0x1f) + 1; |
2037 | 799e709b | aliguori | cw = 8;
|
2038 | 5e55efc9 | Blue Swirl | if (!(s->sr[VGA_SEQ_CLOCK_MODE] & VGA_SR01_CHAR_CLK_8DOTS)) {
|
2039 | 799e709b | aliguori | cw = 9;
|
2040 | 5e55efc9 | Blue Swirl | } |
2041 | 5e55efc9 | Blue Swirl | if (s->sr[VGA_SEQ_CLOCK_MODE] & 0x08) { |
2042 | 799e709b | aliguori | cw = 16; /* NOTE: no 18 pixel wide */ |
2043 | 5e55efc9 | Blue Swirl | } |
2044 | 5e55efc9 | Blue Swirl | width = (s->cr[VGA_CRTC_H_DISP] + 1);
|
2045 | 5e55efc9 | Blue Swirl | if (s->cr[VGA_CRTC_V_TOTAL] == 100) { |
2046 | 799e709b | aliguori | /* ugly hack for CGA 160x100x16 - explain me the logic */
|
2047 | 799e709b | aliguori | height = 100;
|
2048 | 799e709b | aliguori | } else {
|
2049 | 5e55efc9 | Blue Swirl | height = s->cr[VGA_CRTC_V_DISP_END] | |
2050 | 5e55efc9 | Blue Swirl | ((s->cr[VGA_CRTC_OVERFLOW] & 0x02) << 7) | |
2051 | 5e55efc9 | Blue Swirl | ((s->cr[VGA_CRTC_OVERFLOW] & 0x40) << 3); |
2052 | 799e709b | aliguori | height = (height + 1) / cheight;
|
2053 | 4d3b6f6e | balrog | } |
2054 | 4d3b6f6e | balrog | |
2055 | 4d3b6f6e | balrog | size = (height * width); |
2056 | 4d3b6f6e | balrog | if (size > CH_ATTR_SIZE) {
|
2057 | 4d3b6f6e | balrog | if (!full_update)
|
2058 | 4d3b6f6e | balrog | return;
|
2059 | 4d3b6f6e | balrog | |
2060 | 363a37d5 | blueswir1 | snprintf(msg_buffer, sizeof(msg_buffer), "%i x %i Text mode", |
2061 | 363a37d5 | blueswir1 | width, height); |
2062 | 4d3b6f6e | balrog | break;
|
2063 | 4d3b6f6e | balrog | } |
2064 | 4d3b6f6e | balrog | |
2065 | 799e709b | aliguori | if (width != s->last_width || height != s->last_height ||
|
2066 | 799e709b | aliguori | cw != s->last_cw || cheight != s->last_ch) { |
2067 | 799e709b | aliguori | s->last_scr_width = width * cw; |
2068 | 799e709b | aliguori | s->last_scr_height = height * cheight; |
2069 | 9678aedd | Gerd Hoffmann | qemu_console_resize(s->ds, s->last_scr_width, s->last_scr_height); |
2070 | a93a4a22 | Gerd Hoffmann | dpy_text_resize(s->ds, width, height); |
2071 | 9678aedd | Gerd Hoffmann | s->last_depth = 0;
|
2072 | 799e709b | aliguori | s->last_width = width; |
2073 | 799e709b | aliguori | s->last_height = height; |
2074 | 799e709b | aliguori | s->last_ch = cheight; |
2075 | 799e709b | aliguori | s->last_cw = cw; |
2076 | 799e709b | aliguori | full_update = 1;
|
2077 | 799e709b | aliguori | } |
2078 | 799e709b | aliguori | |
2079 | 9678aedd | Gerd Hoffmann | if (full_update) {
|
2080 | 9678aedd | Gerd Hoffmann | s->full_update_gfx = 1;
|
2081 | 9678aedd | Gerd Hoffmann | } |
2082 | 9678aedd | Gerd Hoffmann | if (s->full_update_text) {
|
2083 | 9678aedd | Gerd Hoffmann | s->full_update_text = 0;
|
2084 | 9678aedd | Gerd Hoffmann | full_update |= 1;
|
2085 | 9678aedd | Gerd Hoffmann | } |
2086 | 9678aedd | Gerd Hoffmann | |
2087 | 4d3b6f6e | balrog | /* Update "hardware" cursor */
|
2088 | 5e55efc9 | Blue Swirl | cursor_offset = ((s->cr[VGA_CRTC_CURSOR_HI] << 8) |
|
2089 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_CURSOR_LO]) - s->start_addr; |
2090 | 4d3b6f6e | balrog | if (cursor_offset != s->cursor_offset ||
|
2091 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_CURSOR_START] != s->cursor_start || |
2092 | 5e55efc9 | Blue Swirl | s->cr[VGA_CRTC_CURSOR_END] != s->cursor_end || full_update) { |
2093 | 5e55efc9 | Blue Swirl | cursor_visible = !(s->cr[VGA_CRTC_CURSOR_START] & 0x20);
|
2094 | 4d3b6f6e | balrog | if (cursor_visible && cursor_offset < size && cursor_offset >= 0) |
2095 | bf2fde70 | Gerd Hoffmann | dpy_text_cursor(s->ds, |
2096 | bf2fde70 | Gerd Hoffmann | TEXTMODE_X(cursor_offset), |
2097 | bf2fde70 | Gerd Hoffmann | TEXTMODE_Y(cursor_offset)); |
2098 | 4d3b6f6e | balrog | else
|
2099 | bf2fde70 | Gerd Hoffmann | dpy_text_cursor(s->ds, -1, -1); |
2100 | 4d3b6f6e | balrog | s->cursor_offset = cursor_offset; |
2101 | 5e55efc9 | Blue Swirl | s->cursor_start = s->cr[VGA_CRTC_CURSOR_START]; |
2102 | 5e55efc9 | Blue Swirl | s->cursor_end = s->cr[VGA_CRTC_CURSOR_END]; |
2103 | 4d3b6f6e | balrog | } |
2104 | 4d3b6f6e | balrog | |
2105 | 4d3b6f6e | balrog | src = (uint32_t *) s->vram_ptr + s->start_addr; |
2106 | 4d3b6f6e | balrog | dst = chardata; |
2107 | 4d3b6f6e | balrog | |
2108 | 4d3b6f6e | balrog | if (full_update) {
|
2109 | 4d3b6f6e | balrog | for (i = 0; i < size; src ++, dst ++, i ++) |
2110 | 9ae19b65 | Aurelien Jarno | console_write_ch(dst, VMEM2CHTYPE(le32_to_cpu(*src))); |
2111 | 4d3b6f6e | balrog | |
2112 | a93a4a22 | Gerd Hoffmann | dpy_text_update(s->ds, 0, 0, width, height); |
2113 | 4d3b6f6e | balrog | } else {
|
2114 | 4d3b6f6e | balrog | c_max = 0;
|
2115 | 4d3b6f6e | balrog | |
2116 | 4d3b6f6e | balrog | for (i = 0; i < size; src ++, dst ++, i ++) { |
2117 | 9ae19b65 | Aurelien Jarno | console_write_ch(&val, VMEM2CHTYPE(le32_to_cpu(*src))); |
2118 | 4d3b6f6e | balrog | if (*dst != val) {
|
2119 | 4d3b6f6e | balrog | *dst = val; |
2120 | 4d3b6f6e | balrog | c_max = i; |
2121 | 4d3b6f6e | balrog | break;
|
2122 | 4d3b6f6e | balrog | } |
2123 | 4d3b6f6e | balrog | } |
2124 | 4d3b6f6e | balrog | c_min = i; |
2125 | 4d3b6f6e | balrog | for (; i < size; src ++, dst ++, i ++) {
|
2126 | 9ae19b65 | Aurelien Jarno | console_write_ch(&val, VMEM2CHTYPE(le32_to_cpu(*src))); |
2127 | 4d3b6f6e | balrog | if (*dst != val) {
|
2128 | 4d3b6f6e | balrog | *dst = val; |
2129 | 4d3b6f6e | balrog | c_max = i; |
2130 | 4d3b6f6e | balrog | } |
2131 | 4d3b6f6e | balrog | } |
2132 | 4d3b6f6e | balrog | |
2133 | 4d3b6f6e | balrog | if (c_min <= c_max) {
|
2134 | 4d3b6f6e | balrog | i = TEXTMODE_Y(c_min); |
2135 | a93a4a22 | Gerd Hoffmann | dpy_text_update(s->ds, 0, i, width, TEXTMODE_Y(c_max) - i + 1); |
2136 | 4d3b6f6e | balrog | } |
2137 | 4d3b6f6e | balrog | } |
2138 | 4d3b6f6e | balrog | |
2139 | 4d3b6f6e | balrog | return;
|
2140 | 4d3b6f6e | balrog | case GMODE_GRAPH:
|
2141 | 4d3b6f6e | balrog | if (!full_update)
|
2142 | 4d3b6f6e | balrog | return;
|
2143 | 4d3b6f6e | balrog | |
2144 | 4d3b6f6e | balrog | s->get_resolution(s, &width, &height); |
2145 | 363a37d5 | blueswir1 | snprintf(msg_buffer, sizeof(msg_buffer), "%i x %i Graphic mode", |
2146 | 363a37d5 | blueswir1 | width, height); |
2147 | 4d3b6f6e | balrog | break;
|
2148 | 4d3b6f6e | balrog | case GMODE_BLANK:
|
2149 | 4d3b6f6e | balrog | default:
|
2150 | 4d3b6f6e | balrog | if (!full_update)
|
2151 | 4d3b6f6e | balrog | return;
|
2152 | 4d3b6f6e | balrog | |
2153 | 363a37d5 | blueswir1 | snprintf(msg_buffer, sizeof(msg_buffer), "VGA Blank mode"); |
2154 | 4d3b6f6e | balrog | break;
|
2155 | 4d3b6f6e | balrog | } |
2156 | 4d3b6f6e | balrog | |
2157 | 4d3b6f6e | balrog | /* Display a message */
|
2158 | 5228c2d3 | balrog | s->last_width = 60;
|
2159 | 5228c2d3 | balrog | s->last_height = height = 3;
|
2160 | bf2fde70 | Gerd Hoffmann | dpy_text_cursor(s->ds, -1, -1); |
2161 | a93a4a22 | Gerd Hoffmann | dpy_text_resize(s->ds, s->last_width, height); |
2162 | 4d3b6f6e | balrog | |
2163 | 5228c2d3 | balrog | for (dst = chardata, i = 0; i < s->last_width * height; i ++) |
2164 | 4d3b6f6e | balrog | console_write_ch(dst ++, ' ');
|
2165 | 4d3b6f6e | balrog | |
2166 | 4d3b6f6e | balrog | size = strlen(msg_buffer); |
2167 | 5228c2d3 | balrog | width = (s->last_width - size) / 2;
|
2168 | 5228c2d3 | balrog | dst = chardata + s->last_width + width; |
2169 | 4d3b6f6e | balrog | for (i = 0; i < size; i ++) |
2170 | 4d3b6f6e | balrog | console_write_ch(dst ++, 0x00200100 | msg_buffer[i]);
|
2171 | 4d3b6f6e | balrog | |
2172 | a93a4a22 | Gerd Hoffmann | dpy_text_update(s->ds, 0, 0, s->last_width, height); |
2173 | 4d3b6f6e | balrog | } |
2174 | 4d3b6f6e | balrog | |
2175 | a8170e5e | Avi Kivity | static uint64_t vga_mem_read(void *opaque, hwaddr addr, |
2176 | b1950430 | Avi Kivity | unsigned size)
|
2177 | b1950430 | Avi Kivity | { |
2178 | b1950430 | Avi Kivity | VGACommonState *s = opaque; |
2179 | b1950430 | Avi Kivity | |
2180 | b2a5e761 | Avi Kivity | return vga_mem_readb(s, addr);
|
2181 | b1950430 | Avi Kivity | } |
2182 | e89f66ec | bellard | |
2183 | a8170e5e | Avi Kivity | static void vga_mem_write(void *opaque, hwaddr addr, |
2184 | b1950430 | Avi Kivity | uint64_t data, unsigned size)
|
2185 | b1950430 | Avi Kivity | { |
2186 | b1950430 | Avi Kivity | VGACommonState *s = opaque; |
2187 | b1950430 | Avi Kivity | |
2188 | b2a5e761 | Avi Kivity | return vga_mem_writeb(s, addr, data);
|
2189 | b1950430 | Avi Kivity | } |
2190 | b1950430 | Avi Kivity | |
2191 | b1950430 | Avi Kivity | const MemoryRegionOps vga_mem_ops = {
|
2192 | b1950430 | Avi Kivity | .read = vga_mem_read, |
2193 | b1950430 | Avi Kivity | .write = vga_mem_write, |
2194 | b1950430 | Avi Kivity | .endianness = DEVICE_LITTLE_ENDIAN, |
2195 | b2a5e761 | Avi Kivity | .impl = { |
2196 | b2a5e761 | Avi Kivity | .min_access_size = 1,
|
2197 | b2a5e761 | Avi Kivity | .max_access_size = 1,
|
2198 | b2a5e761 | Avi Kivity | }, |
2199 | e89f66ec | bellard | }; |
2200 | e89f66ec | bellard | |
2201 | 11b6b345 | Juan Quintela | static int vga_common_post_load(void *opaque, int version_id) |
2202 | b0a21b53 | bellard | { |
2203 | 0d65ddc3 | Juan Quintela | VGACommonState *s = opaque; |
2204 | 11b6b345 | Juan Quintela | |
2205 | 11b6b345 | Juan Quintela | /* force refresh */
|
2206 | 11b6b345 | Juan Quintela | s->graphic_mode = -1;
|
2207 | 11b6b345 | Juan Quintela | return 0; |
2208 | 11b6b345 | Juan Quintela | } |
2209 | 11b6b345 | Juan Quintela | |
2210 | 11b6b345 | Juan Quintela | const VMStateDescription vmstate_vga_common = {
|
2211 | 11b6b345 | Juan Quintela | .name = "vga",
|
2212 | 11b6b345 | Juan Quintela | .version_id = 2,
|
2213 | 11b6b345 | Juan Quintela | .minimum_version_id = 2,
|
2214 | 11b6b345 | Juan Quintela | .minimum_version_id_old = 2,
|
2215 | 11b6b345 | Juan Quintela | .post_load = vga_common_post_load, |
2216 | 11b6b345 | Juan Quintela | .fields = (VMStateField []) { |
2217 | 11b6b345 | Juan Quintela | VMSTATE_UINT32(latch, VGACommonState), |
2218 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(sr_index, VGACommonState), |
2219 | 11b6b345 | Juan Quintela | VMSTATE_PARTIAL_BUFFER(sr, VGACommonState, 8),
|
2220 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(gr_index, VGACommonState), |
2221 | 11b6b345 | Juan Quintela | VMSTATE_PARTIAL_BUFFER(gr, VGACommonState, 16),
|
2222 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(ar_index, VGACommonState), |
2223 | 11b6b345 | Juan Quintela | VMSTATE_BUFFER(ar, VGACommonState), |
2224 | 11b6b345 | Juan Quintela | VMSTATE_INT32(ar_flip_flop, VGACommonState), |
2225 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(cr_index, VGACommonState), |
2226 | 11b6b345 | Juan Quintela | VMSTATE_BUFFER(cr, VGACommonState), |
2227 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(msr, VGACommonState), |
2228 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(fcr, VGACommonState), |
2229 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(st00, VGACommonState), |
2230 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(st01, VGACommonState), |
2231 | 11b6b345 | Juan Quintela | |
2232 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(dac_state, VGACommonState), |
2233 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(dac_sub_index, VGACommonState), |
2234 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(dac_read_index, VGACommonState), |
2235 | 11b6b345 | Juan Quintela | VMSTATE_UINT8(dac_write_index, VGACommonState), |
2236 | 11b6b345 | Juan Quintela | VMSTATE_BUFFER(dac_cache, VGACommonState), |
2237 | 11b6b345 | Juan Quintela | VMSTATE_BUFFER(palette, VGACommonState), |
2238 | 11b6b345 | Juan Quintela | |
2239 | 11b6b345 | Juan Quintela | VMSTATE_INT32(bank_offset, VGACommonState), |
2240 | 11b6b345 | Juan Quintela | VMSTATE_UINT8_EQUAL(is_vbe_vmstate, VGACommonState), |
2241 | 11b6b345 | Juan Quintela | VMSTATE_UINT16(vbe_index, VGACommonState), |
2242 | 11b6b345 | Juan Quintela | VMSTATE_UINT16_ARRAY(vbe_regs, VGACommonState, VBE_DISPI_INDEX_NB), |
2243 | 11b6b345 | Juan Quintela | VMSTATE_UINT32(vbe_start_addr, VGACommonState), |
2244 | 11b6b345 | Juan Quintela | VMSTATE_UINT32(vbe_line_offset, VGACommonState), |
2245 | 11b6b345 | Juan Quintela | VMSTATE_UINT32(vbe_bank_mask, VGACommonState), |
2246 | 11b6b345 | Juan Quintela | VMSTATE_END_OF_LIST() |
2247 | 11b6b345 | Juan Quintela | } |
2248 | 11b6b345 | Juan Quintela | }; |
2249 | 11b6b345 | Juan Quintela | |
2250 | 4a1e244e | Gerd Hoffmann | void vga_common_init(VGACommonState *s)
|
2251 | e89f66ec | bellard | { |
2252 | 17b0018b | bellard | int i, j, v, b;
|
2253 | e89f66ec | bellard | |
2254 | e89f66ec | bellard | for(i = 0;i < 256; i++) { |
2255 | e89f66ec | bellard | v = 0;
|
2256 | e89f66ec | bellard | for(j = 0; j < 8; j++) { |
2257 | e89f66ec | bellard | v |= ((i >> j) & 1) << (j * 4); |
2258 | e89f66ec | bellard | } |
2259 | e89f66ec | bellard | expand4[i] = v; |
2260 | e89f66ec | bellard | |
2261 | e89f66ec | bellard | v = 0;
|
2262 | e89f66ec | bellard | for(j = 0; j < 4; j++) { |
2263 | e89f66ec | bellard | v |= ((i >> (2 * j)) & 3) << (j * 4); |
2264 | e89f66ec | bellard | } |
2265 | e89f66ec | bellard | expand2[i] = v; |
2266 | e89f66ec | bellard | } |
2267 | 17b0018b | bellard | for(i = 0; i < 16; i++) { |
2268 | 17b0018b | bellard | v = 0;
|
2269 | 17b0018b | bellard | for(j = 0; j < 4; j++) { |
2270 | 17b0018b | bellard | b = ((i >> j) & 1);
|
2271 | 17b0018b | bellard | v |= b << (2 * j);
|
2272 | 17b0018b | bellard | v |= b << (2 * j + 1); |
2273 | 17b0018b | bellard | } |
2274 | 17b0018b | bellard | expand4to8[i] = v; |
2275 | 17b0018b | bellard | } |
2276 | e89f66ec | bellard | |
2277 | 4a1e244e | Gerd Hoffmann | /* valid range: 1 MB -> 256 MB */
|
2278 | 4a1e244e | Gerd Hoffmann | s->vram_size = 1024 * 1024; |
2279 | 4a1e244e | Gerd Hoffmann | while (s->vram_size < (s->vram_size_mb << 20) && |
2280 | 4a1e244e | Gerd Hoffmann | s->vram_size < (256 << 20)) { |
2281 | 4a1e244e | Gerd Hoffmann | s->vram_size <<= 1;
|
2282 | 4a1e244e | Gerd Hoffmann | } |
2283 | 4a1e244e | Gerd Hoffmann | s->vram_size_mb = s->vram_size >> 20;
|
2284 | 4a1e244e | Gerd Hoffmann | |
2285 | 2a3138ab | Juan Quintela | s->is_vbe_vmstate = 1;
|
2286 | 4a1e244e | Gerd Hoffmann | memory_region_init_ram(&s->vram, "vga.vram", s->vram_size);
|
2287 | c5705a77 | Avi Kivity | vmstate_register_ram_global(&s->vram); |
2288 | c65adf9b | Avi Kivity | xen_register_framebuffer(&s->vram); |
2289 | b1950430 | Avi Kivity | s->vram_ptr = memory_region_get_ram_ptr(&s->vram); |
2290 | 798b0c25 | bellard | s->get_bpp = vga_get_bpp; |
2291 | 798b0c25 | bellard | s->get_offsets = vga_get_offsets; |
2292 | a130a41e | bellard | s->get_resolution = vga_get_resolution; |
2293 | d34cab9f | ths | s->update = vga_update_display; |
2294 | d34cab9f | ths | s->invalidate = vga_invalidate_display; |
2295 | d34cab9f | ths | s->screen_dump = vga_screen_dump; |
2296 | 4d3b6f6e | balrog | s->text_update = vga_update_text; |
2297 | cb5a7aa8 | malc | switch (vga_retrace_method) {
|
2298 | cb5a7aa8 | malc | case VGA_RETRACE_DUMB:
|
2299 | cb5a7aa8 | malc | s->retrace = vga_dumb_retrace; |
2300 | cb5a7aa8 | malc | s->update_retrace_info = vga_dumb_update_retrace_info; |
2301 | cb5a7aa8 | malc | break;
|
2302 | cb5a7aa8 | malc | |
2303 | cb5a7aa8 | malc | case VGA_RETRACE_PRECISE:
|
2304 | cb5a7aa8 | malc | s->retrace = vga_precise_retrace; |
2305 | cb5a7aa8 | malc | s->update_retrace_info = vga_precise_update_retrace_info; |
2306 | cb5a7aa8 | malc | break;
|
2307 | cb5a7aa8 | malc | } |
2308 | b1950430 | Avi Kivity | vga_dirty_log_start(s); |
2309 | 798b0c25 | bellard | } |
2310 | 798b0c25 | bellard | |
2311 | 0a039dc7 | Richard Henderson | static const MemoryRegionPortio vga_portio_list[] = { |
2312 | 0a039dc7 | Richard Henderson | { 0x04, 2, 1, .read = vga_ioport_read, .write = vga_ioport_write }, /* 3b4 */ |
2313 | 0a039dc7 | Richard Henderson | { 0x0a, 1, 1, .read = vga_ioport_read, .write = vga_ioport_write }, /* 3ba */ |
2314 | 0a039dc7 | Richard Henderson | { 0x10, 16, 1, .read = vga_ioport_read, .write = vga_ioport_write }, /* 3c0 */ |
2315 | 0a039dc7 | Richard Henderson | { 0x24, 2, 1, .read = vga_ioport_read, .write = vga_ioport_write }, /* 3d4 */ |
2316 | 0a039dc7 | Richard Henderson | { 0x2a, 1, 1, .read = vga_ioport_read, .write = vga_ioport_write }, /* 3da */ |
2317 | 0a039dc7 | Richard Henderson | PORTIO_END_OF_LIST(), |
2318 | 0a039dc7 | Richard Henderson | }; |
2319 | e89f66ec | bellard | |
2320 | 0a039dc7 | Richard Henderson | static const MemoryRegionPortio vbe_portio_list[] = { |
2321 | 0a039dc7 | Richard Henderson | { 0, 1, 2, .read = vbe_ioport_read_index, .write = vbe_ioport_write_index }, |
2322 | 0a039dc7 | Richard Henderson | # ifdef TARGET_I386
|
2323 | 0a039dc7 | Richard Henderson | { 1, 1, 2, .read = vbe_ioport_read_data, .write = vbe_ioport_write_data }, |
2324 | 0a039dc7 | Richard Henderson | # endif
|
2325 | df9ffb72 | Gerd Hoffmann | { 2, 1, 2, .read = vbe_ioport_read_data, .write = vbe_ioport_write_data }, |
2326 | 0a039dc7 | Richard Henderson | PORTIO_END_OF_LIST(), |
2327 | 0a039dc7 | Richard Henderson | }; |
2328 | 4fa0f5d2 | bellard | |
2329 | 0a039dc7 | Richard Henderson | /* Used by both ISA and PCI */
|
2330 | 0a039dc7 | Richard Henderson | MemoryRegion *vga_init_io(VGACommonState *s, |
2331 | 0a039dc7 | Richard Henderson | const MemoryRegionPortio **vga_ports,
|
2332 | 0a039dc7 | Richard Henderson | const MemoryRegionPortio **vbe_ports)
|
2333 | 0a039dc7 | Richard Henderson | { |
2334 | 0a039dc7 | Richard Henderson | MemoryRegion *vga_mem; |
2335 | 09a79b49 | bellard | |
2336 | 0a039dc7 | Richard Henderson | *vga_ports = vga_portio_list; |
2337 | 0a039dc7 | Richard Henderson | *vbe_ports = vbe_portio_list; |
2338 | 4fa0f5d2 | bellard | |
2339 | 7267c094 | Anthony Liguori | vga_mem = g_malloc(sizeof(*vga_mem));
|
2340 | b1950430 | Avi Kivity | memory_region_init_io(vga_mem, &vga_mem_ops, s, |
2341 | b1950430 | Avi Kivity | "vga-lowmem", 0x20000); |
2342 | bd8f2f5d | Jan Kiszka | memory_region_set_flush_coalesced(vga_mem); |
2343 | b1950430 | Avi Kivity | |
2344 | b1950430 | Avi Kivity | return vga_mem;
|
2345 | 7435b791 | Blue Swirl | } |
2346 | 7435b791 | Blue Swirl | |
2347 | 0a039dc7 | Richard Henderson | void vga_init(VGACommonState *s, MemoryRegion *address_space,
|
2348 | 0a039dc7 | Richard Henderson | MemoryRegion *address_space_io, bool init_vga_ports)
|
2349 | 7435b791 | Blue Swirl | { |
2350 | b1950430 | Avi Kivity | MemoryRegion *vga_io_memory; |
2351 | 0a039dc7 | Richard Henderson | const MemoryRegionPortio *vga_ports, *vbe_ports;
|
2352 | 0a039dc7 | Richard Henderson | PortioList *vga_port_list = g_new(PortioList, 1);
|
2353 | 0a039dc7 | Richard Henderson | PortioList *vbe_port_list = g_new(PortioList, 1);
|
2354 | 7435b791 | Blue Swirl | |
2355 | 7435b791 | Blue Swirl | qemu_register_reset(vga_reset, s); |
2356 | 7435b791 | Blue Swirl | |
2357 | 7435b791 | Blue Swirl | s->bank_offset = 0;
|
2358 | 7435b791 | Blue Swirl | |
2359 | 80763888 | Jan Kiszka | s->legacy_address_space = address_space; |
2360 | 80763888 | Jan Kiszka | |
2361 | 0a039dc7 | Richard Henderson | vga_io_memory = vga_init_io(s, &vga_ports, &vbe_ports); |
2362 | be20f9e9 | Avi Kivity | memory_region_add_subregion_overlap(address_space, |
2363 | b1950430 | Avi Kivity | isa_mem_base + 0x000a0000,
|
2364 | b1950430 | Avi Kivity | vga_io_memory, |
2365 | b1950430 | Avi Kivity | 1);
|
2366 | b1950430 | Avi Kivity | memory_region_set_coalescing(vga_io_memory); |
2367 | 0a039dc7 | Richard Henderson | if (init_vga_ports) {
|
2368 | 0a039dc7 | Richard Henderson | portio_list_init(vga_port_list, vga_ports, s, "vga");
|
2369 | 0a039dc7 | Richard Henderson | portio_list_add(vga_port_list, address_space_io, 0x3b0);
|
2370 | 0a039dc7 | Richard Henderson | } |
2371 | 0a039dc7 | Richard Henderson | if (vbe_ports) {
|
2372 | 0a039dc7 | Richard Henderson | portio_list_init(vbe_port_list, vbe_ports, s, "vbe");
|
2373 | 0a039dc7 | Richard Henderson | portio_list_add(vbe_port_list, address_space_io, 0x1ce);
|
2374 | 0a039dc7 | Richard Henderson | } |
2375 | d2269f6f | bellard | } |
2376 | d2269f6f | bellard | |
2377 | be20f9e9 | Avi Kivity | void vga_init_vbe(VGACommonState *s, MemoryRegion *system_memory)
|
2378 | f0138a63 | Anthony Liguori | { |
2379 | 8294a64d | Avi Kivity | /* With pc-0.12 and below we map both the PCI BAR and the fixed VBE region,
|
2380 | 8294a64d | Avi Kivity | * so use an alias to avoid double-mapping the same region.
|
2381 | 8294a64d | Avi Kivity | */
|
2382 | 8294a64d | Avi Kivity | memory_region_init_alias(&s->vram_vbe, "vram.vbe",
|
2383 | 8294a64d | Avi Kivity | &s->vram, 0, memory_region_size(&s->vram));
|
2384 | f0138a63 | Anthony Liguori | /* XXX: use optimized standard vga accesses */
|
2385 | be20f9e9 | Avi Kivity | memory_region_add_subregion(system_memory, |
2386 | b1950430 | Avi Kivity | VBE_DISPI_LFB_PHYSICAL_ADDRESS, |
2387 | 8294a64d | Avi Kivity | &s->vram_vbe); |
2388 | f0138a63 | Anthony Liguori | s->vbe_mapped = 1;
|
2389 | f0138a63 | Anthony Liguori | } |
2390 | 59a983b9 | bellard | /********************************************************/
|
2391 | 59a983b9 | bellard | /* vga screen dump */
|
2392 | 59a983b9 | bellard | |
2393 | d663174d | Luiz Capitulino | void ppm_save(const char *filename, struct DisplaySurface *ds, Error **errp) |
2394 | 59a983b9 | bellard | { |
2395 | b12f32c4 | Gerd Hoffmann | int width = pixman_image_get_width(ds->image);
|
2396 | b12f32c4 | Gerd Hoffmann | int height = pixman_image_get_height(ds->image);
|
2397 | 59a983b9 | bellard | FILE *f; |
2398 | b12f32c4 | Gerd Hoffmann | int y;
|
2399 | f8e378f2 | Avi Kivity | int ret;
|
2400 | b12f32c4 | Gerd Hoffmann | pixman_image_t *linebuf; |
2401 | 59a983b9 | bellard | |
2402 | 72750018 | Alon Levy | trace_ppm_save(filename, ds); |
2403 | 59a983b9 | bellard | f = fopen(filename, "wb");
|
2404 | d663174d | Luiz Capitulino | if (!f) {
|
2405 | d663174d | Luiz Capitulino | error_setg(errp, "failed to open file '%s': %s", filename,
|
2406 | d663174d | Luiz Capitulino | strerror(errno)); |
2407 | d663174d | Luiz Capitulino | return;
|
2408 | d663174d | Luiz Capitulino | } |
2409 | b12f32c4 | Gerd Hoffmann | ret = fprintf(f, "P6\n%d %d\n%d\n", width, height, 255); |
2410 | d663174d | Luiz Capitulino | if (ret < 0) { |
2411 | d663174d | Luiz Capitulino | linebuf = NULL;
|
2412 | d663174d | Luiz Capitulino | goto write_err;
|
2413 | d663174d | Luiz Capitulino | } |
2414 | b12f32c4 | Gerd Hoffmann | linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width); |
2415 | b12f32c4 | Gerd Hoffmann | for (y = 0; y < height; y++) { |
2416 | b12f32c4 | Gerd Hoffmann | qemu_pixman_linebuf_fill(linebuf, ds->image, width, y); |
2417 | d663174d | Luiz Capitulino | clearerr(f); |
2418 | b12f32c4 | Gerd Hoffmann | ret = fwrite(pixman_image_get_data(linebuf), 1,
|
2419 | b12f32c4 | Gerd Hoffmann | pixman_image_get_stride(linebuf), f); |
2420 | f8e378f2 | Avi Kivity | (void)ret;
|
2421 | d663174d | Luiz Capitulino | if (ferror(f)) {
|
2422 | d663174d | Luiz Capitulino | goto write_err;
|
2423 | d663174d | Luiz Capitulino | } |
2424 | 59a983b9 | bellard | } |
2425 | d663174d | Luiz Capitulino | |
2426 | d663174d | Luiz Capitulino | out:
|
2427 | b12f32c4 | Gerd Hoffmann | qemu_pixman_image_unref(linebuf); |
2428 | 59a983b9 | bellard | fclose(f); |
2429 | d663174d | Luiz Capitulino | return;
|
2430 | d663174d | Luiz Capitulino | |
2431 | d663174d | Luiz Capitulino | write_err:
|
2432 | d663174d | Luiz Capitulino | error_setg(errp, "failed to write to file '%s': %s", filename,
|
2433 | d663174d | Luiz Capitulino | strerror(errno)); |
2434 | d663174d | Luiz Capitulino | unlink(filename); |
2435 | d663174d | Luiz Capitulino | goto out;
|
2436 | 59a983b9 | bellard | } |
2437 | 59a983b9 | bellard | |
2438 | 4c5e8c5c | blueswir1 | /* save the vga display in a PPM image even if no display is
|
2439 | 4c5e8c5c | blueswir1 | available */
|
2440 | d7098135 | Luiz Capitulino | static void vga_screen_dump(void *opaque, const char *filename, bool cswitch, |
2441 | d7098135 | Luiz Capitulino | Error **errp) |
2442 | 4c5e8c5c | blueswir1 | { |
2443 | cedd91d2 | Juan Quintela | VGACommonState *s = opaque; |
2444 | 4c5e8c5c | blueswir1 | |
2445 | 45efb161 | Gerd Hoffmann | if (cswitch) {
|
2446 | 45efb161 | Gerd Hoffmann | vga_invalidate_display(s); |
2447 | 45efb161 | Gerd Hoffmann | } |
2448 | 08c4ea29 | Gerd Hoffmann | vga_hw_update(); |
2449 | d663174d | Luiz Capitulino | ppm_save(filename, s->ds->surface, errp); |
2450 | 4c5e8c5c | blueswir1 | } |