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4765384c SS |
1 | /* |
2 | * QEMU HP Artist Emulation | |
3 | * | |
4 | * Copyright (c) 2019 Sven Schnelle <svens@stackframe.org> | |
5 | * | |
6 | * This work is licensed under the terms of the GNU GPL, version 2 or later. | |
7 | */ | |
8 | ||
9 | #include "qemu/osdep.h" | |
10 | #include "qemu-common.h" | |
11 | #include "qemu/error-report.h" | |
12 | #include "qemu/typedefs.h" | |
13 | #include "qemu/log.h" | |
14 | #include "qemu/module.h" | |
15 | #include "qemu/units.h" | |
16 | #include "qapi/error.h" | |
17 | #include "hw/sysbus.h" | |
18 | #include "hw/loader.h" | |
19 | #include "hw/qdev-core.h" | |
20 | #include "hw/qdev-properties.h" | |
21 | #include "migration/vmstate.h" | |
22 | #include "ui/console.h" | |
23 | #include "trace.h" | |
24 | #include "hw/display/framebuffer.h" | |
25 | ||
26 | #define TYPE_ARTIST "artist" | |
27 | #define ARTIST(obj) OBJECT_CHECK(ARTISTState, (obj), TYPE_ARTIST) | |
28 | ||
29 | #ifdef HOST_WORDS_BIGENDIAN | |
30 | #define ROP8OFF(_i) (3 - (_i)) | |
31 | #else | |
32 | #define ROP8OFF | |
33 | #endif | |
34 | ||
35 | struct vram_buffer { | |
36 | MemoryRegion mr; | |
37 | uint8_t *data; | |
38 | int size; | |
39 | int width; | |
40 | int height; | |
41 | }; | |
42 | ||
43 | typedef struct ARTISTState { | |
44 | SysBusDevice parent_obj; | |
45 | ||
46 | QemuConsole *con; | |
47 | MemoryRegion vram_mem; | |
48 | MemoryRegion mem_as_root; | |
49 | MemoryRegion reg; | |
50 | MemoryRegionSection fbsection; | |
51 | ||
52 | void *vram_int_mr; | |
53 | AddressSpace as; | |
54 | ||
55 | struct vram_buffer vram_buffer[16]; | |
56 | ||
57 | uint16_t width; | |
58 | uint16_t height; | |
59 | uint16_t depth; | |
60 | ||
61 | uint32_t fg_color; | |
62 | uint32_t bg_color; | |
63 | ||
64 | uint32_t vram_char_y; | |
65 | uint32_t vram_bitmask; | |
66 | ||
67 | uint32_t vram_start; | |
68 | uint32_t vram_pos; | |
69 | ||
70 | uint32_t vram_size; | |
71 | ||
72 | uint32_t blockmove_source; | |
73 | uint32_t blockmove_dest; | |
74 | uint32_t blockmove_size; | |
75 | ||
76 | uint32_t line_size; | |
77 | uint32_t line_end; | |
78 | uint32_t line_xy; | |
79 | uint32_t line_pattern_start; | |
80 | uint32_t line_pattern_skip; | |
81 | ||
82 | uint32_t cursor_pos; | |
83 | ||
84 | uint32_t cursor_height; | |
85 | uint32_t cursor_width; | |
86 | ||
87 | uint32_t plane_mask; | |
88 | ||
89 | uint32_t reg_100080; | |
90 | uint32_t reg_300200; | |
91 | uint32_t reg_300208; | |
92 | uint32_t reg_300218; | |
93 | ||
94 | uint32_t cmap_bm_access; | |
95 | uint32_t dst_bm_access; | |
96 | uint32_t src_bm_access; | |
97 | uint32_t control_plane; | |
98 | uint32_t transfer_data; | |
99 | uint32_t image_bitmap_op; | |
100 | ||
101 | uint32_t font_write1; | |
102 | uint32_t font_write2; | |
103 | uint32_t font_write_pos_y; | |
104 | ||
105 | int draw_line_pattern; | |
106 | } ARTISTState; | |
107 | ||
108 | typedef enum { | |
109 | ARTIST_BUFFER_AP = 1, | |
110 | ARTIST_BUFFER_OVERLAY = 2, | |
111 | ARTIST_BUFFER_CURSOR1 = 6, | |
112 | ARTIST_BUFFER_CURSOR2 = 7, | |
113 | ARTIST_BUFFER_ATTRIBUTE = 13, | |
114 | ARTIST_BUFFER_CMAP = 15, | |
115 | } artist_buffer_t; | |
116 | ||
117 | typedef enum { | |
118 | VRAM_IDX = 0x1004a0, | |
119 | VRAM_BITMASK = 0x1005a0, | |
120 | VRAM_WRITE_INCR_X = 0x100600, | |
121 | VRAM_WRITE_INCR_X2 = 0x100604, | |
122 | VRAM_WRITE_INCR_Y = 0x100620, | |
123 | VRAM_START = 0x100800, | |
124 | BLOCK_MOVE_SIZE = 0x100804, | |
125 | BLOCK_MOVE_SOURCE = 0x100808, | |
126 | TRANSFER_DATA = 0x100820, | |
127 | FONT_WRITE_INCR_Y = 0x1008a0, | |
128 | VRAM_START_TRIGGER = 0x100a00, | |
129 | VRAM_SIZE_TRIGGER = 0x100a04, | |
130 | FONT_WRITE_START = 0x100aa0, | |
131 | BLOCK_MOVE_DEST_TRIGGER = 0x100b00, | |
132 | BLOCK_MOVE_SIZE_TRIGGER = 0x100b04, | |
133 | LINE_XY = 0x100ccc, | |
134 | PATTERN_LINE_START = 0x100ecc, | |
135 | LINE_SIZE = 0x100e04, | |
136 | LINE_END = 0x100e44, | |
137 | CMAP_BM_ACCESS = 0x118000, | |
138 | DST_BM_ACCESS = 0x118004, | |
139 | SRC_BM_ACCESS = 0x118008, | |
140 | CONTROL_PLANE = 0x11800c, | |
141 | FG_COLOR = 0x118010, | |
142 | BG_COLOR = 0x118014, | |
143 | PLANE_MASK = 0x118018, | |
144 | IMAGE_BITMAP_OP = 0x11801c, | |
145 | CURSOR_POS = 0x300100, | |
146 | CURSOR_CTRL = 0x300104, | |
147 | } artist_reg_t; | |
148 | ||
149 | typedef enum { | |
150 | ARTIST_ROP_CLEAR = 0, | |
151 | ARTIST_ROP_COPY = 3, | |
152 | ARTIST_ROP_XOR = 6, | |
153 | ARTIST_ROP_NOT_DST = 10, | |
154 | ARTIST_ROP_SET = 15, | |
155 | } artist_rop_t; | |
156 | ||
157 | #define REG_NAME(_x) case _x: return " "#_x; | |
158 | static const char *artist_reg_name(uint64_t addr) | |
159 | { | |
160 | switch ((artist_reg_t)addr) { | |
161 | REG_NAME(VRAM_IDX); | |
162 | REG_NAME(VRAM_BITMASK); | |
163 | REG_NAME(VRAM_WRITE_INCR_X); | |
164 | REG_NAME(VRAM_WRITE_INCR_X2); | |
165 | REG_NAME(VRAM_WRITE_INCR_Y); | |
166 | REG_NAME(VRAM_START); | |
167 | REG_NAME(BLOCK_MOVE_SIZE); | |
168 | REG_NAME(BLOCK_MOVE_SOURCE); | |
169 | REG_NAME(FG_COLOR); | |
170 | REG_NAME(BG_COLOR); | |
171 | REG_NAME(PLANE_MASK); | |
172 | REG_NAME(VRAM_START_TRIGGER); | |
173 | REG_NAME(VRAM_SIZE_TRIGGER); | |
174 | REG_NAME(BLOCK_MOVE_DEST_TRIGGER); | |
175 | REG_NAME(BLOCK_MOVE_SIZE_TRIGGER); | |
176 | REG_NAME(TRANSFER_DATA); | |
177 | REG_NAME(CONTROL_PLANE); | |
178 | REG_NAME(IMAGE_BITMAP_OP); | |
179 | REG_NAME(CMAP_BM_ACCESS); | |
180 | REG_NAME(DST_BM_ACCESS); | |
181 | REG_NAME(SRC_BM_ACCESS); | |
182 | REG_NAME(CURSOR_POS); | |
183 | REG_NAME(CURSOR_CTRL); | |
184 | REG_NAME(LINE_XY); | |
185 | REG_NAME(PATTERN_LINE_START); | |
186 | REG_NAME(LINE_SIZE); | |
187 | REG_NAME(LINE_END); | |
188 | REG_NAME(FONT_WRITE_INCR_Y); | |
189 | REG_NAME(FONT_WRITE_START); | |
190 | } | |
191 | return ""; | |
192 | } | |
193 | #undef REG_NAME | |
194 | ||
195 | static int16_t artist_get_x(uint32_t reg) | |
196 | { | |
197 | return reg >> 16; | |
198 | } | |
199 | ||
200 | static int16_t artist_get_y(uint32_t reg) | |
201 | { | |
202 | return reg & 0xffff; | |
203 | } | |
204 | ||
205 | static void artist_invalidate_lines(struct vram_buffer *buf, | |
206 | int starty, int height) | |
207 | { | |
208 | int start = starty * buf->width; | |
209 | int size = height * buf->width; | |
210 | ||
211 | if (start + size <= buf->size) { | |
212 | memory_region_set_dirty(&buf->mr, start, size); | |
213 | } | |
214 | } | |
215 | ||
216 | static int vram_write_pix_per_transfer(ARTISTState *s) | |
217 | { | |
218 | if (s->cmap_bm_access) { | |
219 | return 1 << ((s->cmap_bm_access >> 27) & 0x0f); | |
220 | } else { | |
221 | return 1 << ((s->dst_bm_access >> 27) & 0x0f); | |
222 | } | |
223 | } | |
224 | ||
225 | static int vram_pixel_length(ARTISTState *s) | |
226 | { | |
227 | if (s->cmap_bm_access) { | |
228 | return (s->cmap_bm_access >> 24) & 0x07; | |
229 | } else { | |
230 | return (s->dst_bm_access >> 24) & 0x07; | |
231 | } | |
232 | } | |
233 | ||
234 | static int vram_write_bufidx(ARTISTState *s) | |
235 | { | |
236 | if (s->cmap_bm_access) { | |
237 | return (s->cmap_bm_access >> 12) & 0x0f; | |
238 | } else { | |
239 | return (s->dst_bm_access >> 12) & 0x0f; | |
240 | } | |
241 | } | |
242 | ||
243 | static int vram_read_bufidx(ARTISTState *s) | |
244 | { | |
245 | if (s->cmap_bm_access) { | |
246 | return (s->cmap_bm_access >> 12) & 0x0f; | |
247 | } else { | |
248 | return (s->src_bm_access >> 12) & 0x0f; | |
249 | } | |
250 | } | |
251 | ||
252 | static struct vram_buffer *vram_read_buffer(ARTISTState *s) | |
253 | { | |
254 | return &s->vram_buffer[vram_read_bufidx(s)]; | |
255 | } | |
256 | ||
257 | static struct vram_buffer *vram_write_buffer(ARTISTState *s) | |
258 | { | |
259 | return &s->vram_buffer[vram_write_bufidx(s)]; | |
260 | } | |
261 | ||
262 | static uint8_t artist_get_color(ARTISTState *s) | |
263 | { | |
264 | if (s->image_bitmap_op & 2) { | |
265 | return s->fg_color; | |
266 | } else { | |
267 | return s->bg_color; | |
268 | } | |
269 | } | |
270 | ||
271 | static artist_rop_t artist_get_op(ARTISTState *s) | |
272 | { | |
273 | return (s->image_bitmap_op >> 8) & 0xf; | |
274 | } | |
275 | ||
276 | static void artist_rop8(ARTISTState *s, uint8_t *dst, uint8_t val) | |
277 | { | |
278 | ||
279 | const artist_rop_t op = artist_get_op(s); | |
280 | uint8_t plane_mask = s->plane_mask & 0xff; | |
281 | ||
282 | switch (op) { | |
283 | case ARTIST_ROP_CLEAR: | |
284 | *dst &= ~plane_mask; | |
285 | break; | |
286 | ||
287 | case ARTIST_ROP_COPY: | |
288 | *dst &= ~plane_mask; | |
289 | *dst |= val & plane_mask; | |
290 | break; | |
291 | ||
292 | case ARTIST_ROP_XOR: | |
293 | *dst ^= val & plane_mask; | |
294 | break; | |
295 | ||
296 | case ARTIST_ROP_NOT_DST: | |
297 | *dst ^= plane_mask; | |
298 | break; | |
299 | ||
300 | case ARTIST_ROP_SET: | |
301 | *dst |= plane_mask; | |
302 | break; | |
303 | ||
304 | default: | |
305 | qemu_log_mask(LOG_UNIMP, "%s: unsupported rop %d\n", __func__, op); | |
306 | break; | |
307 | } | |
308 | } | |
309 | ||
310 | static void artist_get_cursor_pos(ARTISTState *s, int *x, int *y) | |
311 | { | |
312 | /* | |
313 | * Don't know whether these magic offset values are configurable via | |
314 | * some register. They are the same for all resolutions, so don't | |
315 | * bother about it. | |
316 | */ | |
317 | ||
318 | *y = 0x47a - artist_get_y(s->cursor_pos); | |
319 | *x = ((artist_get_x(s->cursor_pos) - 338) / 2); | |
320 | ||
321 | if (*x > s->width) { | |
322 | *x = 0; | |
323 | } | |
324 | ||
325 | if (*y > s->height) { | |
326 | *y = 0; | |
327 | } | |
328 | } | |
329 | ||
330 | static void artist_invalidate_cursor(ARTISTState *s) | |
331 | { | |
332 | int x, y; | |
333 | artist_get_cursor_pos(s, &x, &y); | |
334 | artist_invalidate_lines(&s->vram_buffer[ARTIST_BUFFER_AP], | |
335 | y, s->cursor_height); | |
336 | } | |
337 | ||
338 | static void vram_bit_write(ARTISTState *s, int posx, int posy, bool incr_x, | |
339 | int size, uint32_t data) | |
340 | { | |
341 | struct vram_buffer *buf; | |
342 | uint32_t vram_bitmask = s->vram_bitmask; | |
343 | int mask, i, pix_count, pix_length, offset, height, width; | |
344 | uint8_t *data8, *p; | |
345 | ||
346 | pix_count = vram_write_pix_per_transfer(s); | |
347 | pix_length = vram_pixel_length(s); | |
348 | ||
349 | buf = vram_write_buffer(s); | |
350 | height = buf->height; | |
351 | width = buf->width; | |
352 | ||
353 | if (s->cmap_bm_access) { | |
354 | offset = s->vram_pos; | |
355 | } else { | |
356 | offset = posy * width + posx; | |
357 | } | |
358 | ||
359 | if (!buf->size) { | |
360 | qemu_log("write to non-existent buffer\n"); | |
361 | return; | |
362 | } | |
363 | ||
364 | p = buf->data; | |
365 | ||
366 | if (pix_count > size * 8) { | |
367 | pix_count = size * 8; | |
368 | } | |
369 | ||
370 | if (posy * width + posx + pix_count > buf->size) { | |
371 | qemu_log("write outside bounds: wants %dx%d, max size %dx%d\n", | |
372 | posx, posy, width, height); | |
373 | return; | |
374 | } | |
375 | ||
376 | ||
377 | switch (pix_length) { | |
378 | case 0: | |
379 | if (s->image_bitmap_op & 0x20000000) { | |
380 | data &= vram_bitmask; | |
381 | } | |
382 | ||
383 | for (i = 0; i < pix_count; i++) { | |
384 | artist_rop8(s, p + offset + pix_count - 1 - i, | |
385 | (data & 1) ? (s->plane_mask >> 24) : 0); | |
386 | data >>= 1; | |
387 | } | |
388 | memory_region_set_dirty(&buf->mr, offset, pix_count); | |
389 | break; | |
390 | ||
391 | case 3: | |
392 | if (s->cmap_bm_access) { | |
393 | *(uint32_t *)(p + offset) = data; | |
394 | break; | |
395 | } | |
396 | data8 = (uint8_t *)&data; | |
397 | ||
398 | for (i = 3; i >= 0; i--) { | |
399 | if (!(s->image_bitmap_op & 0x20000000) || | |
400 | s->vram_bitmask & (1 << (28 + i))) { | |
401 | artist_rop8(s, p + offset + 3 - i, data8[ROP8OFF(i)]); | |
402 | } | |
403 | } | |
404 | memory_region_set_dirty(&buf->mr, offset, 3); | |
405 | break; | |
406 | ||
407 | case 6: | |
408 | switch (size) { | |
409 | default: | |
410 | case 4: | |
411 | vram_bitmask = s->vram_bitmask; | |
412 | break; | |
413 | ||
414 | case 2: | |
415 | vram_bitmask = s->vram_bitmask >> 16; | |
416 | break; | |
417 | ||
418 | case 1: | |
419 | vram_bitmask = s->vram_bitmask >> 24; | |
420 | break; | |
421 | } | |
422 | ||
423 | for (i = 0; i < pix_count; i++) { | |
424 | mask = 1 << (pix_count - 1 - i); | |
425 | ||
426 | if (!(s->image_bitmap_op & 0x20000000) || | |
427 | (vram_bitmask & mask)) { | |
428 | if (data & mask) { | |
429 | artist_rop8(s, p + offset + i, s->fg_color); | |
430 | } else { | |
431 | if (!(s->image_bitmap_op & 0x10000002)) { | |
432 | artist_rop8(s, p + offset + i, s->bg_color); | |
433 | } | |
434 | } | |
435 | } | |
436 | } | |
437 | memory_region_set_dirty(&buf->mr, offset, pix_count); | |
438 | break; | |
439 | ||
440 | default: | |
441 | qemu_log_mask(LOG_UNIMP, "%s: unknown pixel length %d\n", | |
442 | __func__, pix_length); | |
443 | break; | |
444 | } | |
445 | ||
446 | if (incr_x) { | |
447 | if (s->cmap_bm_access) { | |
448 | s->vram_pos += 4; | |
449 | } else { | |
450 | s->vram_pos += pix_count << 2; | |
451 | } | |
452 | } | |
453 | ||
454 | if (vram_write_bufidx(s) == ARTIST_BUFFER_CURSOR1 || | |
455 | vram_write_bufidx(s) == ARTIST_BUFFER_CURSOR2) { | |
456 | artist_invalidate_cursor(s); | |
457 | } | |
458 | } | |
459 | ||
460 | static void block_move(ARTISTState *s, int source_x, int source_y, int dest_x, | |
461 | int dest_y, int width, int height) | |
462 | { | |
463 | struct vram_buffer *buf; | |
464 | int line, endline, lineincr, startcolumn, endcolumn, columnincr, column; | |
465 | uint32_t dst, src; | |
466 | ||
467 | trace_artist_block_move(source_x, source_y, dest_x, dest_y, width, height); | |
468 | ||
469 | if (s->control_plane != 0) { | |
470 | /* We don't support CONTROL_PLANE accesses */ | |
471 | qemu_log_mask(LOG_UNIMP, "%s: CONTROL_PLANE: %08x\n", __func__, | |
472 | s->control_plane); | |
473 | return; | |
474 | } | |
475 | ||
476 | buf = &s->vram_buffer[ARTIST_BUFFER_AP]; | |
477 | ||
478 | if (dest_y > source_y) { | |
479 | /* move down */ | |
480 | line = height - 1; | |
481 | endline = -1; | |
482 | lineincr = -1; | |
483 | } else { | |
484 | /* move up */ | |
485 | line = 0; | |
486 | endline = height; | |
487 | lineincr = 1; | |
488 | } | |
489 | ||
490 | if (dest_x > source_x) { | |
491 | /* move right */ | |
492 | startcolumn = width - 1; | |
493 | endcolumn = -1; | |
494 | columnincr = -1; | |
495 | } else { | |
496 | /* move left */ | |
497 | startcolumn = 0; | |
498 | endcolumn = width; | |
499 | columnincr = 1; | |
500 | } | |
501 | ||
502 | for ( ; line != endline; line += lineincr) { | |
503 | src = source_x + ((line + source_y) * buf->width); | |
504 | dst = dest_x + ((line + dest_y) * buf->width); | |
505 | ||
506 | for (column = startcolumn; column != endcolumn; column += columnincr) { | |
507 | if (dst + column > buf->size || src + column > buf->size) { | |
508 | continue; | |
509 | } | |
510 | artist_rop8(s, buf->data + dst + column, buf->data[src + column]); | |
511 | } | |
512 | } | |
513 | ||
514 | artist_invalidate_lines(buf, dest_y, height); | |
515 | } | |
516 | ||
517 | static void fill_window(ARTISTState *s, int startx, int starty, | |
518 | int width, int height) | |
519 | { | |
520 | uint32_t offset; | |
521 | uint8_t color = artist_get_color(s); | |
522 | struct vram_buffer *buf; | |
523 | int x, y; | |
524 | ||
525 | trace_artist_fill_window(startx, starty, width, height, | |
526 | s->image_bitmap_op, s->control_plane); | |
527 | ||
528 | if (s->control_plane != 0) { | |
529 | /* We don't support CONTROL_PLANE accesses */ | |
530 | qemu_log_mask(LOG_UNIMP, "%s: CONTROL_PLANE: %08x\n", __func__, | |
531 | s->control_plane); | |
532 | return; | |
533 | } | |
534 | ||
535 | if (s->reg_100080 == 0x7d) { | |
536 | /* | |
537 | * Not sure what this register really does, but | |
538 | * 0x7d seems to enable autoincremt of the Y axis | |
539 | * by the current block move height. | |
540 | */ | |
541 | height = artist_get_y(s->blockmove_size); | |
542 | s->vram_start += height; | |
543 | } | |
544 | ||
545 | buf = &s->vram_buffer[ARTIST_BUFFER_AP]; | |
546 | ||
547 | for (y = starty; y < starty + height; y++) { | |
548 | offset = y * s->width; | |
549 | ||
550 | for (x = startx; x < startx + width; x++) { | |
551 | artist_rop8(s, buf->data + offset + x, color); | |
552 | } | |
553 | } | |
554 | artist_invalidate_lines(buf, starty, height); | |
555 | } | |
556 | ||
557 | static void draw_line(ARTISTState *s, int x1, int y1, int x2, int y2, | |
558 | bool update_start, int skip_pix, int max_pix) | |
559 | { | |
560 | struct vram_buffer *buf; | |
0814343c | 561 | uint8_t color; |
4765384c SS |
562 | int dx, dy, t, e, x, y, incy, diago, horiz; |
563 | bool c1; | |
564 | uint8_t *p; | |
565 | ||
5646bca3 | 566 | trace_artist_draw_line(x1, y1, x2, y2); |
4765384c SS |
567 | |
568 | if (update_start) { | |
569 | s->vram_start = (x2 << 16) | y2; | |
570 | } | |
571 | ||
4765384c SS |
572 | if (x2 > x1) { |
573 | dx = x2 - x1; | |
574 | } else { | |
575 | dx = x1 - x2; | |
576 | } | |
577 | if (y2 > y1) { | |
578 | dy = y2 - y1; | |
579 | } else { | |
580 | dy = y1 - y2; | |
581 | } | |
b0f6455f PMD |
582 | if (!dx || !dy) { |
583 | return; | |
584 | } | |
0814343c PMD |
585 | |
586 | c1 = false; | |
4765384c SS |
587 | if (dy > dx) { |
588 | t = y2; | |
589 | y2 = x2; | |
590 | x2 = t; | |
591 | ||
592 | t = y1; | |
593 | y1 = x1; | |
594 | x1 = t; | |
595 | ||
596 | t = dx; | |
597 | dx = dy; | |
598 | dy = t; | |
599 | ||
600 | c1 = true; | |
601 | } | |
602 | ||
603 | if (x1 > x2) { | |
604 | t = y2; | |
605 | y2 = y1; | |
606 | y1 = t; | |
607 | ||
608 | t = x1; | |
609 | x1 = x2; | |
610 | x2 = t; | |
611 | } | |
612 | ||
613 | horiz = dy << 1; | |
614 | diago = (dy - dx) << 1; | |
615 | e = (dy << 1) - dx; | |
616 | ||
617 | if (y1 <= y2) { | |
618 | incy = 1; | |
619 | } else { | |
620 | incy = -1; | |
621 | } | |
622 | x = x1; | |
623 | y = y1; | |
0814343c PMD |
624 | color = artist_get_color(s); |
625 | buf = &s->vram_buffer[ARTIST_BUFFER_AP]; | |
4765384c SS |
626 | |
627 | do { | |
628 | if (c1) { | |
629 | p = buf->data + x * s->width + y; | |
630 | } else { | |
631 | p = buf->data + y * s->width + x; | |
632 | } | |
633 | ||
634 | if (skip_pix > 0) { | |
635 | skip_pix--; | |
636 | } else { | |
637 | artist_rop8(s, p, color); | |
638 | } | |
639 | ||
640 | if (e > 0) { | |
641 | artist_invalidate_lines(buf, y, 1); | |
642 | y += incy; | |
643 | e += diago; | |
644 | } else { | |
645 | e += horiz; | |
646 | } | |
647 | x++; | |
648 | } while (x <= x2 && (max_pix == -1 || --max_pix > 0)); | |
649 | } | |
650 | ||
651 | static void draw_line_pattern_start(ARTISTState *s) | |
652 | { | |
653 | ||
654 | int startx = artist_get_x(s->vram_start); | |
655 | int starty = artist_get_y(s->vram_start); | |
656 | int endx = artist_get_x(s->blockmove_size); | |
657 | int endy = artist_get_y(s->blockmove_size); | |
658 | int pstart = s->line_pattern_start >> 16; | |
659 | ||
4765384c SS |
660 | draw_line(s, startx, starty, endx, endy, false, -1, pstart); |
661 | s->line_pattern_skip = pstart; | |
662 | } | |
663 | ||
664 | static void draw_line_pattern_next(ARTISTState *s) | |
665 | { | |
666 | ||
667 | int startx = artist_get_x(s->vram_start); | |
668 | int starty = artist_get_y(s->vram_start); | |
669 | int endx = artist_get_x(s->blockmove_size); | |
670 | int endy = artist_get_y(s->blockmove_size); | |
671 | int line_xy = s->line_xy >> 16; | |
672 | ||
4765384c SS |
673 | draw_line(s, startx, starty, endx, endy, false, s->line_pattern_skip, |
674 | s->line_pattern_skip + line_xy); | |
675 | s->line_pattern_skip += line_xy; | |
676 | s->image_bitmap_op ^= 2; | |
677 | } | |
678 | ||
679 | static void draw_line_size(ARTISTState *s, bool update_start) | |
680 | { | |
681 | ||
682 | int startx = artist_get_x(s->vram_start); | |
683 | int starty = artist_get_y(s->vram_start); | |
684 | int endx = artist_get_x(s->line_size); | |
685 | int endy = artist_get_y(s->line_size); | |
686 | ||
4765384c SS |
687 | draw_line(s, startx, starty, endx, endy, update_start, -1, -1); |
688 | } | |
689 | ||
690 | static void draw_line_xy(ARTISTState *s, bool update_start) | |
691 | { | |
692 | ||
693 | int startx = artist_get_x(s->vram_start); | |
694 | int starty = artist_get_y(s->vram_start); | |
695 | int sizex = artist_get_x(s->blockmove_size); | |
696 | int sizey = artist_get_y(s->blockmove_size); | |
697 | int linexy = s->line_xy >> 16; | |
698 | int endx, endy; | |
699 | ||
700 | endx = startx; | |
701 | endy = starty; | |
702 | ||
703 | if (sizex > 0) { | |
704 | endx = startx + linexy; | |
705 | } | |
706 | ||
707 | if (sizex < 0) { | |
708 | endx = startx; | |
709 | startx -= linexy; | |
710 | } | |
711 | ||
712 | if (sizey > 0) { | |
713 | endy = starty + linexy; | |
714 | } | |
715 | ||
716 | if (sizey < 0) { | |
717 | endy = starty; | |
718 | starty -= linexy; | |
719 | } | |
720 | ||
721 | if (startx < 0) { | |
722 | startx = 0; | |
723 | } | |
724 | ||
725 | if (endx < 0) { | |
726 | endx = 0; | |
727 | } | |
728 | ||
729 | if (starty < 0) { | |
730 | starty = 0; | |
731 | } | |
732 | ||
733 | if (endy < 0) { | |
734 | endy = 0; | |
735 | } | |
736 | ||
4765384c SS |
737 | draw_line(s, startx, starty, endx, endy, false, -1, -1); |
738 | } | |
739 | ||
740 | static void draw_line_end(ARTISTState *s, bool update_start) | |
741 | { | |
742 | ||
743 | int startx = artist_get_x(s->vram_start); | |
744 | int starty = artist_get_y(s->vram_start); | |
745 | int endx = artist_get_x(s->line_end); | |
746 | int endy = artist_get_y(s->line_end); | |
747 | ||
4765384c SS |
748 | draw_line(s, startx, starty, endx, endy, update_start, -1, -1); |
749 | } | |
750 | ||
751 | static void font_write16(ARTISTState *s, uint16_t val) | |
752 | { | |
753 | struct vram_buffer *buf; | |
754 | uint32_t color = (s->image_bitmap_op & 2) ? s->fg_color : s->bg_color; | |
755 | uint16_t mask; | |
756 | int i; | |
757 | ||
758 | int startx = artist_get_x(s->vram_start); | |
759 | int starty = artist_get_y(s->vram_start) + s->font_write_pos_y; | |
760 | int offset = starty * s->width + startx; | |
761 | ||
762 | buf = &s->vram_buffer[ARTIST_BUFFER_AP]; | |
763 | ||
764 | if (offset + 16 > buf->size) { | |
765 | return; | |
766 | } | |
767 | ||
768 | for (i = 0; i < 16; i++) { | |
769 | mask = 1 << (15 - i); | |
770 | if (val & mask) { | |
771 | artist_rop8(s, buf->data + offset + i, color); | |
772 | } else { | |
773 | if (!(s->image_bitmap_op & 0x20000000)) { | |
774 | artist_rop8(s, buf->data + offset + i, s->bg_color); | |
775 | } | |
776 | } | |
777 | } | |
778 | artist_invalidate_lines(buf, starty, 1); | |
779 | } | |
780 | ||
781 | static void font_write(ARTISTState *s, uint32_t val) | |
782 | { | |
783 | font_write16(s, val >> 16); | |
784 | if (++s->font_write_pos_y == artist_get_y(s->blockmove_size)) { | |
785 | s->vram_start += (s->blockmove_size & 0xffff0000); | |
786 | return; | |
787 | } | |
788 | ||
789 | font_write16(s, val & 0xffff); | |
790 | if (++s->font_write_pos_y == artist_get_y(s->blockmove_size)) { | |
791 | s->vram_start += (s->blockmove_size & 0xffff0000); | |
792 | return; | |
793 | } | |
794 | } | |
795 | ||
796 | static void combine_write_reg(hwaddr addr, uint64_t val, int size, void *out) | |
797 | { | |
798 | /* | |
799 | * FIXME: is there a qemu helper for this? | |
800 | */ | |
801 | ||
802 | #ifndef HOST_WORDS_BIGENDIAN | |
803 | addr ^= 3; | |
804 | #endif | |
805 | ||
806 | switch (size) { | |
807 | case 1: | |
808 | *(uint8_t *)(out + (addr & 3)) = val; | |
809 | break; | |
810 | ||
811 | case 2: | |
812 | *(uint16_t *)(out + (addr & 2)) = val; | |
813 | break; | |
814 | ||
815 | case 4: | |
816 | *(uint32_t *)out = val; | |
817 | break; | |
818 | ||
819 | default: | |
820 | qemu_log_mask(LOG_UNIMP, "unsupported write size: %d\n", size); | |
821 | } | |
822 | } | |
823 | ||
824 | static void artist_reg_write(void *opaque, hwaddr addr, uint64_t val, | |
825 | unsigned size) | |
826 | { | |
827 | ARTISTState *s = opaque; | |
828 | int posx, posy; | |
829 | int width, height; | |
830 | ||
831 | trace_artist_reg_write(size, addr, artist_reg_name(addr & ~3ULL), val); | |
832 | ||
833 | switch (addr & ~3ULL) { | |
834 | case 0x100080: | |
835 | combine_write_reg(addr, val, size, &s->reg_100080); | |
836 | break; | |
837 | ||
838 | case FG_COLOR: | |
839 | combine_write_reg(addr, val, size, &s->fg_color); | |
840 | break; | |
841 | ||
842 | case BG_COLOR: | |
843 | combine_write_reg(addr, val, size, &s->bg_color); | |
844 | break; | |
845 | ||
846 | case VRAM_BITMASK: | |
847 | combine_write_reg(addr, val, size, &s->vram_bitmask); | |
848 | break; | |
849 | ||
850 | case VRAM_WRITE_INCR_Y: | |
851 | posx = (s->vram_pos >> 2) & 0x7ff; | |
852 | posy = (s->vram_pos >> 13) & 0x3ff; | |
853 | vram_bit_write(s, posx, posy + s->vram_char_y++, false, size, val); | |
854 | break; | |
855 | ||
856 | case VRAM_WRITE_INCR_X: | |
857 | case VRAM_WRITE_INCR_X2: | |
858 | posx = (s->vram_pos >> 2) & 0x7ff; | |
859 | posy = (s->vram_pos >> 13) & 0x3ff; | |
860 | vram_bit_write(s, posx, posy + s->vram_char_y, true, size, val); | |
861 | break; | |
862 | ||
863 | case VRAM_IDX: | |
864 | combine_write_reg(addr, val, size, &s->vram_pos); | |
865 | s->vram_char_y = 0; | |
866 | s->draw_line_pattern = 0; | |
867 | break; | |
868 | ||
869 | case VRAM_START: | |
870 | combine_write_reg(addr, val, size, &s->vram_start); | |
871 | s->draw_line_pattern = 0; | |
872 | break; | |
873 | ||
874 | case VRAM_START_TRIGGER: | |
875 | combine_write_reg(addr, val, size, &s->vram_start); | |
876 | fill_window(s, artist_get_x(s->vram_start), | |
877 | artist_get_y(s->vram_start), | |
878 | artist_get_x(s->blockmove_size), | |
879 | artist_get_y(s->blockmove_size)); | |
880 | break; | |
881 | ||
882 | case VRAM_SIZE_TRIGGER: | |
883 | combine_write_reg(addr, val, size, &s->vram_size); | |
884 | ||
885 | if (size == 2 && !(addr & 2)) { | |
886 | height = artist_get_y(s->blockmove_size); | |
887 | } else { | |
888 | height = artist_get_y(s->vram_size); | |
889 | } | |
890 | ||
891 | if (size == 2 && (addr & 2)) { | |
892 | width = artist_get_x(s->blockmove_size); | |
893 | } else { | |
894 | width = artist_get_x(s->vram_size); | |
895 | } | |
896 | ||
897 | fill_window(s, artist_get_x(s->vram_start), | |
898 | artist_get_y(s->vram_start), | |
899 | width, height); | |
900 | break; | |
901 | ||
902 | case LINE_XY: | |
903 | combine_write_reg(addr, val, size, &s->line_xy); | |
904 | if (s->draw_line_pattern) { | |
905 | draw_line_pattern_next(s); | |
906 | } else { | |
907 | draw_line_xy(s, true); | |
908 | } | |
909 | break; | |
910 | ||
911 | case PATTERN_LINE_START: | |
912 | combine_write_reg(addr, val, size, &s->line_pattern_start); | |
913 | s->draw_line_pattern = 1; | |
914 | draw_line_pattern_start(s); | |
915 | break; | |
916 | ||
917 | case LINE_SIZE: | |
918 | combine_write_reg(addr, val, size, &s->line_size); | |
919 | draw_line_size(s, true); | |
920 | break; | |
921 | ||
922 | case LINE_END: | |
923 | combine_write_reg(addr, val, size, &s->line_end); | |
924 | draw_line_end(s, true); | |
925 | break; | |
926 | ||
927 | case BLOCK_MOVE_SIZE: | |
928 | combine_write_reg(addr, val, size, &s->blockmove_size); | |
929 | break; | |
930 | ||
931 | case BLOCK_MOVE_SOURCE: | |
932 | combine_write_reg(addr, val, size, &s->blockmove_source); | |
933 | break; | |
934 | ||
935 | case BLOCK_MOVE_DEST_TRIGGER: | |
936 | combine_write_reg(addr, val, size, &s->blockmove_dest); | |
937 | ||
938 | block_move(s, artist_get_x(s->blockmove_source), | |
939 | artist_get_y(s->blockmove_source), | |
940 | artist_get_x(s->blockmove_dest), | |
941 | artist_get_y(s->blockmove_dest), | |
942 | artist_get_x(s->blockmove_size), | |
943 | artist_get_y(s->blockmove_size)); | |
944 | break; | |
945 | ||
946 | case BLOCK_MOVE_SIZE_TRIGGER: | |
947 | combine_write_reg(addr, val, size, &s->blockmove_size); | |
948 | ||
949 | block_move(s, | |
950 | artist_get_x(s->blockmove_source), | |
951 | artist_get_y(s->blockmove_source), | |
952 | artist_get_x(s->vram_start), | |
953 | artist_get_y(s->vram_start), | |
954 | artist_get_x(s->blockmove_size), | |
955 | artist_get_y(s->blockmove_size)); | |
956 | break; | |
957 | ||
958 | case PLANE_MASK: | |
959 | combine_write_reg(addr, val, size, &s->plane_mask); | |
960 | break; | |
961 | ||
962 | case CMAP_BM_ACCESS: | |
963 | combine_write_reg(addr, val, size, &s->cmap_bm_access); | |
964 | break; | |
965 | ||
966 | case DST_BM_ACCESS: | |
967 | combine_write_reg(addr, val, size, &s->dst_bm_access); | |
968 | s->cmap_bm_access = 0; | |
969 | break; | |
970 | ||
971 | case SRC_BM_ACCESS: | |
972 | combine_write_reg(addr, val, size, &s->src_bm_access); | |
973 | s->cmap_bm_access = 0; | |
974 | break; | |
975 | ||
976 | case CONTROL_PLANE: | |
977 | combine_write_reg(addr, val, size, &s->control_plane); | |
978 | break; | |
979 | ||
980 | case TRANSFER_DATA: | |
981 | combine_write_reg(addr, val, size, &s->transfer_data); | |
982 | break; | |
983 | ||
984 | case 0x300200: | |
985 | combine_write_reg(addr, val, size, &s->reg_300200); | |
986 | break; | |
987 | ||
988 | case 0x300208: | |
989 | combine_write_reg(addr, val, size, &s->reg_300208); | |
990 | break; | |
991 | ||
992 | case 0x300218: | |
993 | combine_write_reg(addr, val, size, &s->reg_300218); | |
994 | break; | |
995 | ||
996 | case CURSOR_POS: | |
997 | artist_invalidate_cursor(s); | |
998 | combine_write_reg(addr, val, size, &s->cursor_pos); | |
999 | artist_invalidate_cursor(s); | |
1000 | break; | |
1001 | ||
1002 | case CURSOR_CTRL: | |
1003 | break; | |
1004 | ||
1005 | case IMAGE_BITMAP_OP: | |
1006 | combine_write_reg(addr, val, size, &s->image_bitmap_op); | |
1007 | break; | |
1008 | ||
1009 | case FONT_WRITE_INCR_Y: | |
1010 | combine_write_reg(addr, val, size, &s->font_write1); | |
1011 | font_write(s, s->font_write1); | |
1012 | break; | |
1013 | ||
1014 | case FONT_WRITE_START: | |
1015 | combine_write_reg(addr, val, size, &s->font_write2); | |
1016 | s->font_write_pos_y = 0; | |
1017 | font_write(s, s->font_write2); | |
1018 | break; | |
1019 | ||
1020 | case 300104: | |
1021 | break; | |
1022 | ||
1023 | default: | |
1024 | qemu_log_mask(LOG_UNIMP, "%s: unknown register: reg=%08" HWADDR_PRIx | |
1025 | " val=%08" PRIx64 " size=%d\n", | |
1026 | __func__, addr, val, size); | |
1027 | break; | |
1028 | } | |
1029 | } | |
1030 | ||
1031 | static uint64_t combine_read_reg(hwaddr addr, int size, void *in) | |
1032 | { | |
1033 | /* | |
1034 | * FIXME: is there a qemu helper for this? | |
1035 | */ | |
1036 | ||
1037 | #ifndef HOST_WORDS_BIGENDIAN | |
1038 | addr ^= 3; | |
1039 | #endif | |
1040 | ||
1041 | switch (size) { | |
1042 | case 1: | |
1043 | return *(uint8_t *)(in + (addr & 3)); | |
1044 | ||
1045 | case 2: | |
1046 | return *(uint16_t *)(in + (addr & 2)); | |
1047 | ||
1048 | case 4: | |
1049 | return *(uint32_t *)in; | |
1050 | ||
1051 | default: | |
1052 | qemu_log_mask(LOG_UNIMP, "unsupported read size: %d\n", size); | |
1053 | return 0; | |
1054 | } | |
1055 | } | |
1056 | ||
1057 | static uint64_t artist_reg_read(void *opaque, hwaddr addr, unsigned size) | |
1058 | { | |
1059 | ARTISTState *s = opaque; | |
1060 | uint32_t val = 0; | |
1061 | ||
1062 | switch (addr & ~3ULL) { | |
1063 | /* Unknown status registers */ | |
1064 | case 0: | |
1065 | break; | |
1066 | ||
1067 | case 0x211110: | |
1068 | val = (s->width << 16) | s->height; | |
1069 | if (s->depth == 1) { | |
1070 | val |= 1 << 31; | |
1071 | } | |
1072 | break; | |
1073 | ||
1074 | case 0x100000: | |
1075 | case 0x300000: | |
1076 | case 0x300004: | |
1077 | case 0x300308: | |
1078 | case 0x380000: | |
1079 | break; | |
1080 | ||
1081 | case 0x300008: | |
1082 | case 0x380008: | |
1083 | /* | |
1084 | * FIFO ready flag. we're not emulating the FIFOs | |
1085 | * so we're always ready | |
1086 | */ | |
1087 | val = 0x10; | |
1088 | break; | |
1089 | ||
1090 | case 0x300200: | |
1091 | val = s->reg_300200; | |
1092 | break; | |
1093 | ||
1094 | case 0x300208: | |
1095 | val = s->reg_300208; | |
1096 | break; | |
1097 | ||
1098 | case 0x300218: | |
1099 | val = s->reg_300218; | |
1100 | break; | |
1101 | ||
1102 | case 0x30023c: | |
1103 | val = 0xac4ffdac; | |
1104 | break; | |
1105 | ||
1106 | case 0x380004: | |
1107 | /* 0x02000000 Buserror */ | |
1108 | val = 0x6dc20006; | |
1109 | break; | |
1110 | ||
1111 | default: | |
1112 | qemu_log_mask(LOG_UNIMP, "%s: unknown register: %08" HWADDR_PRIx | |
1113 | " size %d\n", __func__, addr, size); | |
1114 | break; | |
1115 | } | |
1116 | val = combine_read_reg(addr, size, &val); | |
1117 | trace_artist_reg_read(size, addr, artist_reg_name(addr & ~3ULL), val); | |
1118 | return val; | |
1119 | } | |
1120 | ||
1121 | static void artist_vram_write(void *opaque, hwaddr addr, uint64_t val, | |
1122 | unsigned size) | |
1123 | { | |
1124 | ARTISTState *s = opaque; | |
1125 | struct vram_buffer *buf; | |
1126 | int posy = (addr >> 11) & 0x3ff; | |
1127 | int posx = addr & 0x7ff; | |
1128 | uint32_t offset; | |
1129 | trace_artist_vram_write(size, addr, val); | |
1130 | ||
1131 | if (s->cmap_bm_access) { | |
1132 | buf = &s->vram_buffer[ARTIST_BUFFER_CMAP]; | |
1133 | if (addr + 3 < buf->size) { | |
1134 | *(uint32_t *)(buf->data + addr) = val; | |
1135 | } | |
1136 | return; | |
1137 | } | |
1138 | ||
1139 | buf = vram_write_buffer(s); | |
1140 | if (!buf->size) { | |
1141 | return; | |
1142 | } | |
1143 | ||
1144 | if (posy > buf->height || posx > buf->width) { | |
1145 | return; | |
1146 | } | |
1147 | ||
1148 | offset = posy * buf->width + posx; | |
1149 | switch (size) { | |
1150 | case 4: | |
1151 | *(uint32_t *)(buf->data + offset) = be32_to_cpu(val); | |
1152 | memory_region_set_dirty(&buf->mr, offset, 4); | |
1153 | break; | |
1154 | case 2: | |
1155 | *(uint16_t *)(buf->data + offset) = be16_to_cpu(val); | |
1156 | memory_region_set_dirty(&buf->mr, offset, 2); | |
1157 | break; | |
1158 | case 1: | |
1159 | *(uint8_t *)(buf->data + offset) = val; | |
1160 | memory_region_set_dirty(&buf->mr, offset, 1); | |
1161 | break; | |
1162 | default: | |
1163 | break; | |
1164 | } | |
1165 | } | |
1166 | ||
1167 | static uint64_t artist_vram_read(void *opaque, hwaddr addr, unsigned size) | |
1168 | { | |
1169 | ARTISTState *s = opaque; | |
1170 | struct vram_buffer *buf; | |
1171 | uint64_t val; | |
1172 | int posy, posx; | |
1173 | ||
1174 | if (s->cmap_bm_access) { | |
1175 | buf = &s->vram_buffer[ARTIST_BUFFER_CMAP]; | |
1176 | val = *(uint32_t *)(buf->data + addr); | |
1177 | trace_artist_vram_read(size, addr, 0, 0, val); | |
1178 | return 0; | |
1179 | } | |
1180 | ||
1181 | buf = vram_read_buffer(s); | |
1182 | if (!buf->size) { | |
1183 | return 0; | |
1184 | } | |
1185 | ||
1186 | posy = (addr >> 13) & 0x3ff; | |
1187 | posx = (addr >> 2) & 0x7ff; | |
1188 | ||
1189 | if (posy > buf->height || posx > buf->width) { | |
1190 | return 0; | |
1191 | } | |
1192 | ||
1193 | val = cpu_to_be32(*(uint32_t *)(buf->data + posy * buf->width + posx)); | |
1194 | trace_artist_vram_read(size, addr, posx, posy, val); | |
1195 | return val; | |
1196 | } | |
1197 | ||
1198 | static const MemoryRegionOps artist_reg_ops = { | |
1199 | .read = artist_reg_read, | |
1200 | .write = artist_reg_write, | |
1201 | .endianness = DEVICE_NATIVE_ENDIAN, | |
1202 | .valid = { | |
1203 | .min_access_size = 1, | |
1204 | .max_access_size = 4, | |
1205 | }, | |
1206 | }; | |
1207 | ||
1208 | static const MemoryRegionOps artist_vram_ops = { | |
1209 | .read = artist_vram_read, | |
1210 | .write = artist_vram_write, | |
1211 | .endianness = DEVICE_NATIVE_ENDIAN, | |
1212 | .valid = { | |
1213 | .min_access_size = 1, | |
1214 | .max_access_size = 4, | |
1215 | }, | |
1216 | }; | |
1217 | ||
1218 | static void artist_draw_cursor(ARTISTState *s) | |
1219 | { | |
1220 | DisplaySurface *surface = qemu_console_surface(s->con); | |
1221 | uint32_t *data = (uint32_t *)surface_data(surface); | |
1222 | struct vram_buffer *cursor0, *cursor1 , *buf; | |
1223 | int cx, cy, cursor_pos_x, cursor_pos_y; | |
1224 | ||
1225 | cursor0 = &s->vram_buffer[ARTIST_BUFFER_CURSOR1]; | |
1226 | cursor1 = &s->vram_buffer[ARTIST_BUFFER_CURSOR2]; | |
1227 | buf = &s->vram_buffer[ARTIST_BUFFER_AP]; | |
1228 | ||
1229 | artist_get_cursor_pos(s, &cursor_pos_x, &cursor_pos_y); | |
1230 | ||
1231 | for (cy = 0; cy < s->cursor_height; cy++) { | |
1232 | ||
1233 | for (cx = 0; cx < s->cursor_width; cx++) { | |
1234 | ||
1235 | if (cursor_pos_y + cy < 0 || | |
1236 | cursor_pos_x + cx < 0 || | |
1237 | cursor_pos_y + cy > buf->height - 1 || | |
1238 | cursor_pos_x + cx > buf->width) { | |
1239 | continue; | |
1240 | } | |
1241 | ||
1242 | int dstoffset = (cursor_pos_y + cy) * s->width + | |
1243 | (cursor_pos_x + cx); | |
1244 | ||
1245 | if (cursor0->data[cy * cursor0->width + cx]) { | |
1246 | data[dstoffset] = 0; | |
1247 | } else { | |
1248 | if (cursor1->data[cy * cursor1->width + cx]) { | |
1249 | data[dstoffset] = 0xffffff; | |
1250 | } | |
1251 | } | |
1252 | } | |
1253 | } | |
1254 | } | |
1255 | ||
1256 | static void artist_draw_line(void *opaque, uint8_t *d, const uint8_t *src, | |
1257 | int width, int pitch) | |
1258 | { | |
1259 | ARTISTState *s = ARTIST(opaque); | |
1260 | uint32_t *cmap, *data = (uint32_t *)d; | |
1261 | int x; | |
1262 | ||
1263 | cmap = (uint32_t *)(s->vram_buffer[ARTIST_BUFFER_CMAP].data + 0x400); | |
1264 | ||
1265 | for (x = 0; x < s->width; x++) { | |
1266 | *data++ = cmap[*src++]; | |
1267 | } | |
1268 | } | |
1269 | ||
1270 | static void artist_update_display(void *opaque) | |
1271 | { | |
1272 | ARTISTState *s = opaque; | |
1273 | DisplaySurface *surface = qemu_console_surface(s->con); | |
1274 | int first = 0, last; | |
1275 | ||
1276 | ||
1277 | framebuffer_update_display(surface, &s->fbsection, s->width, s->height, | |
1278 | s->width, s->width * 4, 0, 0, artist_draw_line, | |
1279 | s, &first, &last); | |
1280 | ||
1281 | artist_draw_cursor(s); | |
1282 | ||
1283 | dpy_gfx_update(s->con, 0, 0, s->width, s->height); | |
1284 | } | |
1285 | ||
1286 | static void artist_invalidate(void *opaque) | |
1287 | { | |
1288 | ARTISTState *s = ARTIST(opaque); | |
1289 | struct vram_buffer *buf = &s->vram_buffer[ARTIST_BUFFER_AP]; | |
1290 | memory_region_set_dirty(&buf->mr, 0, buf->size); | |
1291 | } | |
1292 | ||
1293 | static const GraphicHwOps artist_ops = { | |
1294 | .invalidate = artist_invalidate, | |
1295 | .gfx_update = artist_update_display, | |
1296 | }; | |
1297 | ||
1298 | static void artist_initfn(Object *obj) | |
1299 | { | |
1300 | SysBusDevice *sbd = SYS_BUS_DEVICE(obj); | |
1301 | ARTISTState *s = ARTIST(obj); | |
1302 | ||
1303 | memory_region_init_io(&s->reg, obj, &artist_reg_ops, s, "artist.reg", | |
1304 | 4 * MiB); | |
1305 | memory_region_init_io(&s->vram_mem, obj, &artist_vram_ops, s, "artist.vram", | |
1306 | 8 * MiB); | |
1307 | sysbus_init_mmio(sbd, &s->reg); | |
1308 | sysbus_init_mmio(sbd, &s->vram_mem); | |
1309 | } | |
1310 | ||
1311 | static void artist_create_buffer(ARTISTState *s, const char *name, | |
1312 | hwaddr *offset, unsigned int idx, | |
1313 | int width, int height) | |
1314 | { | |
1315 | struct vram_buffer *buf = s->vram_buffer + idx; | |
1316 | ||
1317 | memory_region_init_ram(&buf->mr, NULL, name, width * height, | |
1318 | &error_fatal); | |
1319 | memory_region_add_subregion_overlap(&s->mem_as_root, *offset, &buf->mr, 0); | |
1320 | ||
1321 | buf->data = memory_region_get_ram_ptr(&buf->mr); | |
1322 | buf->size = height * width; | |
1323 | buf->width = width; | |
1324 | buf->height = height; | |
1325 | ||
1326 | *offset += buf->size; | |
1327 | } | |
1328 | ||
1329 | static void artist_realizefn(DeviceState *dev, Error **errp) | |
1330 | { | |
1331 | ARTISTState *s = ARTIST(dev); | |
1332 | struct vram_buffer *buf; | |
1333 | hwaddr offset = 0; | |
1334 | ||
1335 | memory_region_init(&s->mem_as_root, OBJECT(dev), "artist", ~0ull); | |
1336 | address_space_init(&s->as, &s->mem_as_root, "artist"); | |
1337 | ||
1338 | artist_create_buffer(s, "cmap", &offset, ARTIST_BUFFER_CMAP, 2048, 4); | |
1339 | artist_create_buffer(s, "ap", &offset, ARTIST_BUFFER_AP, | |
1340 | s->width, s->height); | |
1341 | artist_create_buffer(s, "cursor1", &offset, ARTIST_BUFFER_CURSOR1, 64, 64); | |
1342 | artist_create_buffer(s, "cursor2", &offset, ARTIST_BUFFER_CURSOR2, 64, 64); | |
1343 | artist_create_buffer(s, "attribute", &offset, ARTIST_BUFFER_ATTRIBUTE, | |
1344 | 64, 64); | |
1345 | ||
1346 | buf = &s->vram_buffer[ARTIST_BUFFER_AP]; | |
1347 | framebuffer_update_memory_section(&s->fbsection, &buf->mr, 0, | |
1348 | buf->width, buf->height); | |
1349 | /* | |
1350 | * no idea whether the cursor is fixed size or not, so assume 32x32 which | |
1351 | * seems sufficient for HP-UX X11. | |
1352 | */ | |
1353 | s->cursor_height = 32; | |
1354 | s->cursor_width = 32; | |
1355 | ||
1356 | s->con = graphic_console_init(DEVICE(dev), 0, &artist_ops, s); | |
1357 | qemu_console_resize(s->con, s->width, s->height); | |
1358 | } | |
1359 | ||
1360 | static int vmstate_artist_post_load(void *opaque, int version_id) | |
1361 | { | |
1362 | artist_invalidate(opaque); | |
1363 | return 0; | |
1364 | } | |
1365 | ||
1366 | static const VMStateDescription vmstate_artist = { | |
1367 | .name = "artist", | |
1368 | .version_id = 1, | |
1369 | .minimum_version_id = 1, | |
1370 | .post_load = vmstate_artist_post_load, | |
1371 | .fields = (VMStateField[]) { | |
1372 | VMSTATE_UINT16(height, ARTISTState), | |
1373 | VMSTATE_UINT16(width, ARTISTState), | |
1374 | VMSTATE_UINT16(depth, ARTISTState), | |
1375 | VMSTATE_UINT32(fg_color, ARTISTState), | |
1376 | VMSTATE_UINT32(bg_color, ARTISTState), | |
1377 | VMSTATE_UINT32(vram_char_y, ARTISTState), | |
1378 | VMSTATE_UINT32(vram_bitmask, ARTISTState), | |
1379 | VMSTATE_UINT32(vram_start, ARTISTState), | |
1380 | VMSTATE_UINT32(vram_pos, ARTISTState), | |
1381 | VMSTATE_UINT32(vram_size, ARTISTState), | |
1382 | VMSTATE_UINT32(blockmove_source, ARTISTState), | |
1383 | VMSTATE_UINT32(blockmove_dest, ARTISTState), | |
1384 | VMSTATE_UINT32(blockmove_size, ARTISTState), | |
1385 | VMSTATE_UINT32(line_size, ARTISTState), | |
1386 | VMSTATE_UINT32(line_end, ARTISTState), | |
1387 | VMSTATE_UINT32(line_xy, ARTISTState), | |
1388 | VMSTATE_UINT32(cursor_pos, ARTISTState), | |
1389 | VMSTATE_UINT32(cursor_height, ARTISTState), | |
1390 | VMSTATE_UINT32(cursor_width, ARTISTState), | |
1391 | VMSTATE_UINT32(plane_mask, ARTISTState), | |
1392 | VMSTATE_UINT32(reg_100080, ARTISTState), | |
1393 | VMSTATE_UINT32(reg_300200, ARTISTState), | |
1394 | VMSTATE_UINT32(reg_300208, ARTISTState), | |
1395 | VMSTATE_UINT32(reg_300218, ARTISTState), | |
1396 | VMSTATE_UINT32(cmap_bm_access, ARTISTState), | |
1397 | VMSTATE_UINT32(dst_bm_access, ARTISTState), | |
1398 | VMSTATE_UINT32(src_bm_access, ARTISTState), | |
1399 | VMSTATE_UINT32(control_plane, ARTISTState), | |
1400 | VMSTATE_UINT32(transfer_data, ARTISTState), | |
1401 | VMSTATE_UINT32(image_bitmap_op, ARTISTState), | |
1402 | VMSTATE_UINT32(font_write1, ARTISTState), | |
1403 | VMSTATE_UINT32(font_write2, ARTISTState), | |
1404 | VMSTATE_UINT32(font_write_pos_y, ARTISTState), | |
1405 | VMSTATE_END_OF_LIST() | |
1406 | } | |
1407 | }; | |
1408 | ||
1409 | static Property artist_properties[] = { | |
1410 | DEFINE_PROP_UINT16("width", ARTISTState, width, 1280), | |
1411 | DEFINE_PROP_UINT16("height", ARTISTState, height, 1024), | |
1412 | DEFINE_PROP_UINT16("depth", ARTISTState, depth, 8), | |
1413 | DEFINE_PROP_END_OF_LIST(), | |
1414 | }; | |
1415 | ||
1416 | static void artist_reset(DeviceState *qdev) | |
1417 | { | |
1418 | } | |
1419 | ||
1420 | static void artist_class_init(ObjectClass *klass, void *data) | |
1421 | { | |
1422 | DeviceClass *dc = DEVICE_CLASS(klass); | |
1423 | ||
1424 | dc->realize = artist_realizefn; | |
1425 | dc->vmsd = &vmstate_artist; | |
1426 | dc->reset = artist_reset; | |
1427 | device_class_set_props(dc, artist_properties); | |
1428 | } | |
1429 | ||
1430 | static const TypeInfo artist_info = { | |
1431 | .name = TYPE_ARTIST, | |
1432 | .parent = TYPE_SYS_BUS_DEVICE, | |
1433 | .instance_size = sizeof(ARTISTState), | |
1434 | .instance_init = artist_initfn, | |
1435 | .class_init = artist_class_init, | |
1436 | }; | |
1437 | ||
1438 | static void artist_register_types(void) | |
1439 | { | |
1440 | type_register_static(&artist_info); | |
1441 | } | |
1442 | ||
1443 | type_init(artist_register_types) |