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Commit | Line | Data |
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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" | |
4765384c SS |
12 | #include "qemu/log.h" |
13 | #include "qemu/module.h" | |
14 | #include "qemu/units.h" | |
15 | #include "qapi/error.h" | |
16 | #include "hw/sysbus.h" | |
17 | #include "hw/loader.h" | |
18 | #include "hw/qdev-core.h" | |
19 | #include "hw/qdev-properties.h" | |
20 | #include "migration/vmstate.h" | |
21 | #include "ui/console.h" | |
22 | #include "trace.h" | |
63dc3465 | 23 | #include "framebuffer.h" |
db1015e9 | 24 | #include "qom/object.h" |
4765384c SS |
25 | |
26 | #define TYPE_ARTIST "artist" | |
8063396b | 27 | OBJECT_DECLARE_SIMPLE_TYPE(ARTISTState, ARTIST) |
4765384c SS |
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; | |
a501bfc9 HD |
38 | unsigned int size; |
39 | unsigned int width; | |
40 | unsigned int height; | |
4765384c SS |
41 | }; |
42 | ||
db1015e9 | 43 | struct ARTISTState { |
4765384c SS |
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; | |
db1015e9 | 106 | }; |
4765384c SS |
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 | ||
c7050f3f | 195 | /* artist has a fixed line length of 2048 bytes. */ |
32a2b033 | 196 | #define ADDR_TO_Y(addr) extract32(addr, 11, 11) |
c7050f3f HD |
197 | #define ADDR_TO_X(addr) extract32(addr, 0, 11) |
198 | ||
4765384c SS |
199 | static int16_t artist_get_x(uint32_t reg) |
200 | { | |
201 | return reg >> 16; | |
202 | } | |
203 | ||
204 | static int16_t artist_get_y(uint32_t reg) | |
205 | { | |
206 | return reg & 0xffff; | |
207 | } | |
208 | ||
209 | static void artist_invalidate_lines(struct vram_buffer *buf, | |
210 | int starty, int height) | |
211 | { | |
212 | int start = starty * buf->width; | |
2f8cd515 SS |
213 | int size; |
214 | ||
215 | if (starty + height > buf->height) | |
216 | height = buf->height - starty; | |
217 | ||
218 | size = height * buf->width; | |
4765384c SS |
219 | |
220 | if (start + size <= buf->size) { | |
221 | memory_region_set_dirty(&buf->mr, start, size); | |
222 | } | |
223 | } | |
224 | ||
225 | static int vram_write_pix_per_transfer(ARTISTState *s) | |
226 | { | |
227 | if (s->cmap_bm_access) { | |
228 | return 1 << ((s->cmap_bm_access >> 27) & 0x0f); | |
229 | } else { | |
230 | return 1 << ((s->dst_bm_access >> 27) & 0x0f); | |
231 | } | |
232 | } | |
233 | ||
234 | static int vram_pixel_length(ARTISTState *s) | |
235 | { | |
236 | if (s->cmap_bm_access) { | |
237 | return (s->cmap_bm_access >> 24) & 0x07; | |
238 | } else { | |
239 | return (s->dst_bm_access >> 24) & 0x07; | |
240 | } | |
241 | } | |
242 | ||
243 | static int vram_write_bufidx(ARTISTState *s) | |
244 | { | |
245 | if (s->cmap_bm_access) { | |
246 | return (s->cmap_bm_access >> 12) & 0x0f; | |
247 | } else { | |
248 | return (s->dst_bm_access >> 12) & 0x0f; | |
249 | } | |
250 | } | |
251 | ||
252 | static int vram_read_bufidx(ARTISTState *s) | |
253 | { | |
254 | if (s->cmap_bm_access) { | |
255 | return (s->cmap_bm_access >> 12) & 0x0f; | |
256 | } else { | |
257 | return (s->src_bm_access >> 12) & 0x0f; | |
258 | } | |
259 | } | |
260 | ||
261 | static struct vram_buffer *vram_read_buffer(ARTISTState *s) | |
262 | { | |
263 | return &s->vram_buffer[vram_read_bufidx(s)]; | |
264 | } | |
265 | ||
266 | static struct vram_buffer *vram_write_buffer(ARTISTState *s) | |
267 | { | |
268 | return &s->vram_buffer[vram_write_bufidx(s)]; | |
269 | } | |
270 | ||
271 | static uint8_t artist_get_color(ARTISTState *s) | |
272 | { | |
273 | if (s->image_bitmap_op & 2) { | |
274 | return s->fg_color; | |
275 | } else { | |
276 | return s->bg_color; | |
277 | } | |
278 | } | |
279 | ||
280 | static artist_rop_t artist_get_op(ARTISTState *s) | |
281 | { | |
282 | return (s->image_bitmap_op >> 8) & 0xf; | |
283 | } | |
284 | ||
84a7b774 | 285 | static void artist_rop8(ARTISTState *s, struct vram_buffer *buf, |
a501bfc9 | 286 | unsigned int offset, uint8_t val) |
4765384c | 287 | { |
4765384c | 288 | const artist_rop_t op = artist_get_op(s); |
84a7b774 PMD |
289 | uint8_t plane_mask; |
290 | uint8_t *dst; | |
291 | ||
a501bfc9 | 292 | if (offset >= buf->size) { |
84a7b774 | 293 | qemu_log_mask(LOG_GUEST_ERROR, |
a501bfc9 | 294 | "rop8 offset:%u bufsize:%u\n", offset, buf->size); |
84a7b774 PMD |
295 | return; |
296 | } | |
297 | dst = buf->data + offset; | |
298 | plane_mask = s->plane_mask & 0xff; | |
4765384c SS |
299 | |
300 | switch (op) { | |
301 | case ARTIST_ROP_CLEAR: | |
302 | *dst &= ~plane_mask; | |
303 | break; | |
304 | ||
305 | case ARTIST_ROP_COPY: | |
a501bfc9 | 306 | *dst = (*dst & ~plane_mask) | (val & plane_mask); |
4765384c SS |
307 | break; |
308 | ||
309 | case ARTIST_ROP_XOR: | |
310 | *dst ^= val & plane_mask; | |
311 | break; | |
312 | ||
313 | case ARTIST_ROP_NOT_DST: | |
314 | *dst ^= plane_mask; | |
315 | break; | |
316 | ||
317 | case ARTIST_ROP_SET: | |
318 | *dst |= plane_mask; | |
319 | break; | |
320 | ||
321 | default: | |
322 | qemu_log_mask(LOG_UNIMP, "%s: unsupported rop %d\n", __func__, op); | |
323 | break; | |
324 | } | |
325 | } | |
326 | ||
327 | static void artist_get_cursor_pos(ARTISTState *s, int *x, int *y) | |
328 | { | |
329 | /* | |
330 | * Don't know whether these magic offset values are configurable via | |
331 | * some register. They are the same for all resolutions, so don't | |
332 | * bother about it. | |
333 | */ | |
334 | ||
335 | *y = 0x47a - artist_get_y(s->cursor_pos); | |
336 | *x = ((artist_get_x(s->cursor_pos) - 338) / 2); | |
337 | ||
338 | if (*x > s->width) { | |
339 | *x = 0; | |
340 | } | |
341 | ||
342 | if (*y > s->height) { | |
343 | *y = 0; | |
344 | } | |
345 | } | |
346 | ||
347 | static void artist_invalidate_cursor(ARTISTState *s) | |
348 | { | |
349 | int x, y; | |
350 | artist_get_cursor_pos(s, &x, &y); | |
351 | artist_invalidate_lines(&s->vram_buffer[ARTIST_BUFFER_AP], | |
352 | y, s->cursor_height); | |
353 | } | |
354 | ||
c7050f3f | 355 | static void vram_bit_write(ARTISTState *s, int posy, bool incr_x, |
4765384c SS |
356 | int size, uint32_t data) |
357 | { | |
358 | struct vram_buffer *buf; | |
359 | uint32_t vram_bitmask = s->vram_bitmask; | |
a501bfc9 | 360 | int mask, i, pix_count, pix_length; |
c7050f3f | 361 | unsigned int posx, offset, width; |
4765384c SS |
362 | uint8_t *data8, *p; |
363 | ||
364 | pix_count = vram_write_pix_per_transfer(s); | |
365 | pix_length = vram_pixel_length(s); | |
366 | ||
367 | buf = vram_write_buffer(s); | |
4765384c SS |
368 | width = buf->width; |
369 | ||
370 | if (s->cmap_bm_access) { | |
371 | offset = s->vram_pos; | |
372 | } else { | |
c7050f3f HD |
373 | posx = ADDR_TO_X(s->vram_pos >> 2); |
374 | posy += ADDR_TO_Y(s->vram_pos >> 2); | |
4765384c SS |
375 | offset = posy * width + posx; |
376 | } | |
377 | ||
a501bfc9 | 378 | if (!buf->size || offset >= buf->size) { |
4765384c SS |
379 | return; |
380 | } | |
381 | ||
382 | p = buf->data; | |
383 | ||
384 | if (pix_count > size * 8) { | |
385 | pix_count = size * 8; | |
386 | } | |
387 | ||
4765384c SS |
388 | switch (pix_length) { |
389 | case 0: | |
390 | if (s->image_bitmap_op & 0x20000000) { | |
391 | data &= vram_bitmask; | |
392 | } | |
393 | ||
394 | for (i = 0; i < pix_count; i++) { | |
a24d2cf3 SS |
395 | uint32_t off = offset + pix_count - 1 - i; |
396 | if (off < buf->size) { | |
84a7b774 | 397 | artist_rop8(s, buf, off, |
a24d2cf3 SS |
398 | (data & 1) ? (s->plane_mask >> 24) : 0); |
399 | } | |
4765384c SS |
400 | data >>= 1; |
401 | } | |
402 | memory_region_set_dirty(&buf->mr, offset, pix_count); | |
403 | break; | |
404 | ||
405 | case 3: | |
406 | if (s->cmap_bm_access) { | |
a501bfc9 HD |
407 | if (offset + 3 < buf->size) { |
408 | *(uint32_t *)(p + offset) = data; | |
409 | } | |
4765384c SS |
410 | break; |
411 | } | |
412 | data8 = (uint8_t *)&data; | |
413 | ||
414 | for (i = 3; i >= 0; i--) { | |
415 | if (!(s->image_bitmap_op & 0x20000000) || | |
416 | s->vram_bitmask & (1 << (28 + i))) { | |
a24d2cf3 SS |
417 | uint32_t off = offset + 3 - i; |
418 | if (off < buf->size) { | |
84a7b774 | 419 | artist_rop8(s, buf, off, data8[ROP8OFF(i)]); |
a24d2cf3 | 420 | } |
4765384c SS |
421 | } |
422 | } | |
423 | memory_region_set_dirty(&buf->mr, offset, 3); | |
424 | break; | |
425 | ||
426 | case 6: | |
427 | switch (size) { | |
428 | default: | |
429 | case 4: | |
430 | vram_bitmask = s->vram_bitmask; | |
431 | break; | |
432 | ||
433 | case 2: | |
434 | vram_bitmask = s->vram_bitmask >> 16; | |
435 | break; | |
436 | ||
437 | case 1: | |
438 | vram_bitmask = s->vram_bitmask >> 24; | |
439 | break; | |
440 | } | |
441 | ||
a24d2cf3 | 442 | for (i = 0; i < pix_count && offset + i < buf->size; i++) { |
4765384c SS |
443 | mask = 1 << (pix_count - 1 - i); |
444 | ||
445 | if (!(s->image_bitmap_op & 0x20000000) || | |
446 | (vram_bitmask & mask)) { | |
447 | if (data & mask) { | |
84a7b774 | 448 | artist_rop8(s, buf, offset + i, s->fg_color); |
4765384c SS |
449 | } else { |
450 | if (!(s->image_bitmap_op & 0x10000002)) { | |
84a7b774 | 451 | artist_rop8(s, buf, offset + i, s->bg_color); |
4765384c SS |
452 | } |
453 | } | |
454 | } | |
455 | } | |
456 | memory_region_set_dirty(&buf->mr, offset, pix_count); | |
457 | break; | |
458 | ||
459 | default: | |
460 | qemu_log_mask(LOG_UNIMP, "%s: unknown pixel length %d\n", | |
461 | __func__, pix_length); | |
462 | break; | |
463 | } | |
464 | ||
465 | if (incr_x) { | |
466 | if (s->cmap_bm_access) { | |
467 | s->vram_pos += 4; | |
468 | } else { | |
469 | s->vram_pos += pix_count << 2; | |
470 | } | |
471 | } | |
472 | ||
473 | if (vram_write_bufidx(s) == ARTIST_BUFFER_CURSOR1 || | |
474 | vram_write_bufidx(s) == ARTIST_BUFFER_CURSOR2) { | |
475 | artist_invalidate_cursor(s); | |
476 | } | |
477 | } | |
478 | ||
a501bfc9 HD |
479 | static void block_move(ARTISTState *s, |
480 | unsigned int source_x, unsigned int source_y, | |
481 | unsigned int dest_x, unsigned int dest_y, | |
482 | unsigned int width, unsigned int height) | |
4765384c SS |
483 | { |
484 | struct vram_buffer *buf; | |
485 | int line, endline, lineincr, startcolumn, endcolumn, columnincr, column; | |
a501bfc9 | 486 | unsigned int dst, src; |
4765384c SS |
487 | |
488 | trace_artist_block_move(source_x, source_y, dest_x, dest_y, width, height); | |
489 | ||
490 | if (s->control_plane != 0) { | |
491 | /* We don't support CONTROL_PLANE accesses */ | |
492 | qemu_log_mask(LOG_UNIMP, "%s: CONTROL_PLANE: %08x\n", __func__, | |
493 | s->control_plane); | |
494 | return; | |
495 | } | |
496 | ||
497 | buf = &s->vram_buffer[ARTIST_BUFFER_AP]; | |
a501bfc9 HD |
498 | if (height > buf->height) { |
499 | height = buf->height; | |
500 | } | |
501 | if (width > buf->width) { | |
502 | width = buf->width; | |
503 | } | |
4765384c SS |
504 | |
505 | if (dest_y > source_y) { | |
506 | /* move down */ | |
507 | line = height - 1; | |
508 | endline = -1; | |
509 | lineincr = -1; | |
510 | } else { | |
511 | /* move up */ | |
512 | line = 0; | |
513 | endline = height; | |
514 | lineincr = 1; | |
515 | } | |
516 | ||
517 | if (dest_x > source_x) { | |
518 | /* move right */ | |
519 | startcolumn = width - 1; | |
520 | endcolumn = -1; | |
521 | columnincr = -1; | |
522 | } else { | |
523 | /* move left */ | |
524 | startcolumn = 0; | |
525 | endcolumn = width; | |
526 | columnincr = 1; | |
527 | } | |
528 | ||
529 | for ( ; line != endline; line += lineincr) { | |
a501bfc9 HD |
530 | src = source_x + ((line + source_y) * buf->width) + startcolumn; |
531 | dst = dest_x + ((line + dest_y) * buf->width) + startcolumn; | |
4765384c SS |
532 | |
533 | for (column = startcolumn; column != endcolumn; column += columnincr) { | |
a501bfc9 | 534 | if (dst >= buf->size || src >= buf->size) { |
4765384c SS |
535 | continue; |
536 | } | |
a501bfc9 HD |
537 | artist_rop8(s, buf, dst, buf->data[src]); |
538 | src += columnincr; | |
539 | dst += columnincr; | |
4765384c SS |
540 | } |
541 | } | |
542 | ||
543 | artist_invalidate_lines(buf, dest_y, height); | |
544 | } | |
545 | ||
a501bfc9 HD |
546 | static void fill_window(ARTISTState *s, |
547 | unsigned int startx, unsigned int starty, | |
548 | unsigned int width, unsigned int height) | |
4765384c | 549 | { |
a501bfc9 | 550 | unsigned int offset; |
4765384c SS |
551 | uint8_t color = artist_get_color(s); |
552 | struct vram_buffer *buf; | |
553 | int x, y; | |
554 | ||
555 | trace_artist_fill_window(startx, starty, width, height, | |
556 | s->image_bitmap_op, s->control_plane); | |
557 | ||
558 | if (s->control_plane != 0) { | |
559 | /* We don't support CONTROL_PLANE accesses */ | |
560 | qemu_log_mask(LOG_UNIMP, "%s: CONTROL_PLANE: %08x\n", __func__, | |
561 | s->control_plane); | |
562 | return; | |
563 | } | |
564 | ||
565 | if (s->reg_100080 == 0x7d) { | |
566 | /* | |
567 | * Not sure what this register really does, but | |
568 | * 0x7d seems to enable autoincremt of the Y axis | |
569 | * by the current block move height. | |
570 | */ | |
571 | height = artist_get_y(s->blockmove_size); | |
572 | s->vram_start += height; | |
573 | } | |
574 | ||
575 | buf = &s->vram_buffer[ARTIST_BUFFER_AP]; | |
576 | ||
577 | for (y = starty; y < starty + height; y++) { | |
578 | offset = y * s->width; | |
579 | ||
580 | for (x = startx; x < startx + width; x++) { | |
84a7b774 | 581 | artist_rop8(s, buf, offset + x, color); |
4765384c SS |
582 | } |
583 | } | |
584 | artist_invalidate_lines(buf, starty, height); | |
585 | } | |
586 | ||
a501bfc9 HD |
587 | static void draw_line(ARTISTState *s, |
588 | unsigned int x1, unsigned int y1, | |
589 | unsigned int x2, unsigned int y2, | |
4765384c SS |
590 | bool update_start, int skip_pix, int max_pix) |
591 | { | |
b87a7355 | 592 | struct vram_buffer *buf = &s->vram_buffer[ARTIST_BUFFER_AP]; |
0814343c | 593 | uint8_t color; |
4765384c SS |
594 | int dx, dy, t, e, x, y, incy, diago, horiz; |
595 | bool c1; | |
4765384c | 596 | |
5646bca3 | 597 | trace_artist_draw_line(x1, y1, x2, y2); |
4765384c | 598 | |
a501bfc9 HD |
599 | if ((x1 >= buf->width && x2 >= buf->width) || |
600 | (y1 >= buf->height && y2 >= buf->height)) { | |
601 | return; | |
b87a7355 PMD |
602 | } |
603 | ||
a501bfc9 | 604 | |
4765384c SS |
605 | if (update_start) { |
606 | s->vram_start = (x2 << 16) | y2; | |
607 | } | |
608 | ||
4765384c SS |
609 | if (x2 > x1) { |
610 | dx = x2 - x1; | |
611 | } else { | |
612 | dx = x1 - x2; | |
613 | } | |
614 | if (y2 > y1) { | |
615 | dy = y2 - y1; | |
616 | } else { | |
617 | dy = y1 - y2; | |
618 | } | |
0814343c PMD |
619 | |
620 | c1 = false; | |
4765384c SS |
621 | if (dy > dx) { |
622 | t = y2; | |
623 | y2 = x2; | |
624 | x2 = t; | |
625 | ||
626 | t = y1; | |
627 | y1 = x1; | |
628 | x1 = t; | |
629 | ||
630 | t = dx; | |
631 | dx = dy; | |
632 | dy = t; | |
633 | ||
634 | c1 = true; | |
635 | } | |
636 | ||
637 | if (x1 > x2) { | |
638 | t = y2; | |
639 | y2 = y1; | |
640 | y1 = t; | |
641 | ||
642 | t = x1; | |
643 | x1 = x2; | |
644 | x2 = t; | |
645 | } | |
646 | ||
647 | horiz = dy << 1; | |
648 | diago = (dy - dx) << 1; | |
649 | e = (dy << 1) - dx; | |
650 | ||
651 | if (y1 <= y2) { | |
652 | incy = 1; | |
653 | } else { | |
654 | incy = -1; | |
655 | } | |
656 | x = x1; | |
657 | y = y1; | |
0814343c | 658 | color = artist_get_color(s); |
4765384c SS |
659 | |
660 | do { | |
a501bfc9 | 661 | unsigned int ofs; |
84a7b774 | 662 | |
4765384c | 663 | if (c1) { |
84a7b774 | 664 | ofs = x * s->width + y; |
4765384c | 665 | } else { |
84a7b774 | 666 | ofs = y * s->width + x; |
4765384c SS |
667 | } |
668 | ||
669 | if (skip_pix > 0) { | |
670 | skip_pix--; | |
671 | } else { | |
84a7b774 | 672 | artist_rop8(s, buf, ofs, color); |
4765384c SS |
673 | } |
674 | ||
675 | if (e > 0) { | |
4765384c SS |
676 | y += incy; |
677 | e += diago; | |
678 | } else { | |
679 | e += horiz; | |
680 | } | |
681 | x++; | |
682 | } while (x <= x2 && (max_pix == -1 || --max_pix > 0)); | |
f9e9f714 SS |
683 | if (c1) |
684 | artist_invalidate_lines(buf, x, dy+1); | |
685 | else | |
686 | artist_invalidate_lines(buf, y, dx+1); | |
4765384c SS |
687 | } |
688 | ||
689 | static void draw_line_pattern_start(ARTISTState *s) | |
690 | { | |
691 | ||
692 | int startx = artist_get_x(s->vram_start); | |
693 | int starty = artist_get_y(s->vram_start); | |
694 | int endx = artist_get_x(s->blockmove_size); | |
695 | int endy = artist_get_y(s->blockmove_size); | |
696 | int pstart = s->line_pattern_start >> 16; | |
697 | ||
4765384c SS |
698 | draw_line(s, startx, starty, endx, endy, false, -1, pstart); |
699 | s->line_pattern_skip = pstart; | |
700 | } | |
701 | ||
702 | static void draw_line_pattern_next(ARTISTState *s) | |
703 | { | |
704 | ||
705 | int startx = artist_get_x(s->vram_start); | |
706 | int starty = artist_get_y(s->vram_start); | |
707 | int endx = artist_get_x(s->blockmove_size); | |
708 | int endy = artist_get_y(s->blockmove_size); | |
709 | int line_xy = s->line_xy >> 16; | |
710 | ||
4765384c SS |
711 | draw_line(s, startx, starty, endx, endy, false, s->line_pattern_skip, |
712 | s->line_pattern_skip + line_xy); | |
713 | s->line_pattern_skip += line_xy; | |
714 | s->image_bitmap_op ^= 2; | |
715 | } | |
716 | ||
717 | static void draw_line_size(ARTISTState *s, bool update_start) | |
718 | { | |
719 | ||
720 | int startx = artist_get_x(s->vram_start); | |
721 | int starty = artist_get_y(s->vram_start); | |
722 | int endx = artist_get_x(s->line_size); | |
723 | int endy = artist_get_y(s->line_size); | |
724 | ||
4765384c SS |
725 | draw_line(s, startx, starty, endx, endy, update_start, -1, -1); |
726 | } | |
727 | ||
728 | static void draw_line_xy(ARTISTState *s, bool update_start) | |
729 | { | |
730 | ||
731 | int startx = artist_get_x(s->vram_start); | |
732 | int starty = artist_get_y(s->vram_start); | |
733 | int sizex = artist_get_x(s->blockmove_size); | |
734 | int sizey = artist_get_y(s->blockmove_size); | |
735 | int linexy = s->line_xy >> 16; | |
736 | int endx, endy; | |
737 | ||
738 | endx = startx; | |
739 | endy = starty; | |
740 | ||
741 | if (sizex > 0) { | |
742 | endx = startx + linexy; | |
743 | } | |
744 | ||
745 | if (sizex < 0) { | |
746 | endx = startx; | |
747 | startx -= linexy; | |
748 | } | |
749 | ||
750 | if (sizey > 0) { | |
751 | endy = starty + linexy; | |
752 | } | |
753 | ||
754 | if (sizey < 0) { | |
755 | endy = starty; | |
756 | starty -= linexy; | |
757 | } | |
758 | ||
759 | if (startx < 0) { | |
760 | startx = 0; | |
761 | } | |
762 | ||
763 | if (endx < 0) { | |
764 | endx = 0; | |
765 | } | |
766 | ||
767 | if (starty < 0) { | |
768 | starty = 0; | |
769 | } | |
770 | ||
771 | if (endy < 0) { | |
772 | endy = 0; | |
773 | } | |
774 | ||
4765384c SS |
775 | draw_line(s, startx, starty, endx, endy, false, -1, -1); |
776 | } | |
777 | ||
778 | static void draw_line_end(ARTISTState *s, bool update_start) | |
779 | { | |
780 | ||
781 | int startx = artist_get_x(s->vram_start); | |
782 | int starty = artist_get_y(s->vram_start); | |
783 | int endx = artist_get_x(s->line_end); | |
784 | int endy = artist_get_y(s->line_end); | |
785 | ||
4765384c SS |
786 | draw_line(s, startx, starty, endx, endy, update_start, -1, -1); |
787 | } | |
788 | ||
789 | static void font_write16(ARTISTState *s, uint16_t val) | |
790 | { | |
791 | struct vram_buffer *buf; | |
792 | uint32_t color = (s->image_bitmap_op & 2) ? s->fg_color : s->bg_color; | |
793 | uint16_t mask; | |
794 | int i; | |
795 | ||
a501bfc9 HD |
796 | unsigned int startx = artist_get_x(s->vram_start); |
797 | unsigned int starty = artist_get_y(s->vram_start) + s->font_write_pos_y; | |
798 | unsigned int offset = starty * s->width + startx; | |
4765384c SS |
799 | |
800 | buf = &s->vram_buffer[ARTIST_BUFFER_AP]; | |
801 | ||
a501bfc9 HD |
802 | if (startx >= buf->width || starty >= buf->height || |
803 | offset + 16 >= buf->size) { | |
4765384c SS |
804 | return; |
805 | } | |
806 | ||
807 | for (i = 0; i < 16; i++) { | |
808 | mask = 1 << (15 - i); | |
809 | if (val & mask) { | |
84a7b774 | 810 | artist_rop8(s, buf, offset + i, color); |
4765384c SS |
811 | } else { |
812 | if (!(s->image_bitmap_op & 0x20000000)) { | |
84a7b774 | 813 | artist_rop8(s, buf, offset + i, s->bg_color); |
4765384c SS |
814 | } |
815 | } | |
816 | } | |
817 | artist_invalidate_lines(buf, starty, 1); | |
818 | } | |
819 | ||
820 | static void font_write(ARTISTState *s, uint32_t val) | |
821 | { | |
822 | font_write16(s, val >> 16); | |
823 | if (++s->font_write_pos_y == artist_get_y(s->blockmove_size)) { | |
824 | s->vram_start += (s->blockmove_size & 0xffff0000); | |
825 | return; | |
826 | } | |
827 | ||
828 | font_write16(s, val & 0xffff); | |
829 | if (++s->font_write_pos_y == artist_get_y(s->blockmove_size)) { | |
830 | s->vram_start += (s->blockmove_size & 0xffff0000); | |
831 | return; | |
832 | } | |
833 | } | |
834 | ||
835 | static void combine_write_reg(hwaddr addr, uint64_t val, int size, void *out) | |
836 | { | |
837 | /* | |
838 | * FIXME: is there a qemu helper for this? | |
839 | */ | |
840 | ||
841 | #ifndef HOST_WORDS_BIGENDIAN | |
842 | addr ^= 3; | |
843 | #endif | |
844 | ||
845 | switch (size) { | |
846 | case 1: | |
847 | *(uint8_t *)(out + (addr & 3)) = val; | |
848 | break; | |
849 | ||
850 | case 2: | |
851 | *(uint16_t *)(out + (addr & 2)) = val; | |
852 | break; | |
853 | ||
854 | case 4: | |
855 | *(uint32_t *)out = val; | |
856 | break; | |
857 | ||
858 | default: | |
859 | qemu_log_mask(LOG_UNIMP, "unsupported write size: %d\n", size); | |
860 | } | |
861 | } | |
862 | ||
863 | static void artist_reg_write(void *opaque, hwaddr addr, uint64_t val, | |
864 | unsigned size) | |
865 | { | |
866 | ARTISTState *s = opaque; | |
4765384c SS |
867 | int width, height; |
868 | ||
869 | trace_artist_reg_write(size, addr, artist_reg_name(addr & ~3ULL), val); | |
870 | ||
871 | switch (addr & ~3ULL) { | |
872 | case 0x100080: | |
873 | combine_write_reg(addr, val, size, &s->reg_100080); | |
874 | break; | |
875 | ||
876 | case FG_COLOR: | |
877 | combine_write_reg(addr, val, size, &s->fg_color); | |
878 | break; | |
879 | ||
880 | case BG_COLOR: | |
881 | combine_write_reg(addr, val, size, &s->bg_color); | |
882 | break; | |
883 | ||
884 | case VRAM_BITMASK: | |
885 | combine_write_reg(addr, val, size, &s->vram_bitmask); | |
886 | break; | |
887 | ||
888 | case VRAM_WRITE_INCR_Y: | |
c7050f3f | 889 | vram_bit_write(s, s->vram_char_y++, false, size, val); |
4765384c SS |
890 | break; |
891 | ||
892 | case VRAM_WRITE_INCR_X: | |
893 | case VRAM_WRITE_INCR_X2: | |
c7050f3f | 894 | vram_bit_write(s, s->vram_char_y, true, size, val); |
4765384c SS |
895 | break; |
896 | ||
897 | case VRAM_IDX: | |
898 | combine_write_reg(addr, val, size, &s->vram_pos); | |
899 | s->vram_char_y = 0; | |
900 | s->draw_line_pattern = 0; | |
901 | break; | |
902 | ||
903 | case VRAM_START: | |
904 | combine_write_reg(addr, val, size, &s->vram_start); | |
905 | s->draw_line_pattern = 0; | |
906 | break; | |
907 | ||
908 | case VRAM_START_TRIGGER: | |
909 | combine_write_reg(addr, val, size, &s->vram_start); | |
910 | fill_window(s, artist_get_x(s->vram_start), | |
911 | artist_get_y(s->vram_start), | |
912 | artist_get_x(s->blockmove_size), | |
913 | artist_get_y(s->blockmove_size)); | |
914 | break; | |
915 | ||
916 | case VRAM_SIZE_TRIGGER: | |
917 | combine_write_reg(addr, val, size, &s->vram_size); | |
918 | ||
919 | if (size == 2 && !(addr & 2)) { | |
920 | height = artist_get_y(s->blockmove_size); | |
921 | } else { | |
922 | height = artist_get_y(s->vram_size); | |
923 | } | |
924 | ||
925 | if (size == 2 && (addr & 2)) { | |
926 | width = artist_get_x(s->blockmove_size); | |
927 | } else { | |
928 | width = artist_get_x(s->vram_size); | |
929 | } | |
930 | ||
931 | fill_window(s, artist_get_x(s->vram_start), | |
932 | artist_get_y(s->vram_start), | |
933 | width, height); | |
934 | break; | |
935 | ||
936 | case LINE_XY: | |
937 | combine_write_reg(addr, val, size, &s->line_xy); | |
938 | if (s->draw_line_pattern) { | |
939 | draw_line_pattern_next(s); | |
940 | } else { | |
941 | draw_line_xy(s, true); | |
942 | } | |
943 | break; | |
944 | ||
945 | case PATTERN_LINE_START: | |
946 | combine_write_reg(addr, val, size, &s->line_pattern_start); | |
947 | s->draw_line_pattern = 1; | |
948 | draw_line_pattern_start(s); | |
949 | break; | |
950 | ||
951 | case LINE_SIZE: | |
952 | combine_write_reg(addr, val, size, &s->line_size); | |
953 | draw_line_size(s, true); | |
954 | break; | |
955 | ||
956 | case LINE_END: | |
957 | combine_write_reg(addr, val, size, &s->line_end); | |
958 | draw_line_end(s, true); | |
959 | break; | |
960 | ||
961 | case BLOCK_MOVE_SIZE: | |
962 | combine_write_reg(addr, val, size, &s->blockmove_size); | |
963 | break; | |
964 | ||
965 | case BLOCK_MOVE_SOURCE: | |
966 | combine_write_reg(addr, val, size, &s->blockmove_source); | |
967 | break; | |
968 | ||
969 | case BLOCK_MOVE_DEST_TRIGGER: | |
970 | combine_write_reg(addr, val, size, &s->blockmove_dest); | |
971 | ||
972 | block_move(s, artist_get_x(s->blockmove_source), | |
973 | artist_get_y(s->blockmove_source), | |
974 | artist_get_x(s->blockmove_dest), | |
975 | artist_get_y(s->blockmove_dest), | |
976 | artist_get_x(s->blockmove_size), | |
977 | artist_get_y(s->blockmove_size)); | |
978 | break; | |
979 | ||
980 | case BLOCK_MOVE_SIZE_TRIGGER: | |
981 | combine_write_reg(addr, val, size, &s->blockmove_size); | |
982 | ||
983 | block_move(s, | |
984 | artist_get_x(s->blockmove_source), | |
985 | artist_get_y(s->blockmove_source), | |
986 | artist_get_x(s->vram_start), | |
987 | artist_get_y(s->vram_start), | |
988 | artist_get_x(s->blockmove_size), | |
989 | artist_get_y(s->blockmove_size)); | |
990 | break; | |
991 | ||
992 | case PLANE_MASK: | |
993 | combine_write_reg(addr, val, size, &s->plane_mask); | |
994 | break; | |
995 | ||
996 | case CMAP_BM_ACCESS: | |
997 | combine_write_reg(addr, val, size, &s->cmap_bm_access); | |
998 | break; | |
999 | ||
1000 | case DST_BM_ACCESS: | |
1001 | combine_write_reg(addr, val, size, &s->dst_bm_access); | |
1002 | s->cmap_bm_access = 0; | |
1003 | break; | |
1004 | ||
1005 | case SRC_BM_ACCESS: | |
1006 | combine_write_reg(addr, val, size, &s->src_bm_access); | |
1007 | s->cmap_bm_access = 0; | |
1008 | break; | |
1009 | ||
1010 | case CONTROL_PLANE: | |
1011 | combine_write_reg(addr, val, size, &s->control_plane); | |
1012 | break; | |
1013 | ||
1014 | case TRANSFER_DATA: | |
1015 | combine_write_reg(addr, val, size, &s->transfer_data); | |
1016 | break; | |
1017 | ||
1018 | case 0x300200: | |
1019 | combine_write_reg(addr, val, size, &s->reg_300200); | |
1020 | break; | |
1021 | ||
1022 | case 0x300208: | |
1023 | combine_write_reg(addr, val, size, &s->reg_300208); | |
1024 | break; | |
1025 | ||
1026 | case 0x300218: | |
1027 | combine_write_reg(addr, val, size, &s->reg_300218); | |
1028 | break; | |
1029 | ||
1030 | case CURSOR_POS: | |
1031 | artist_invalidate_cursor(s); | |
1032 | combine_write_reg(addr, val, size, &s->cursor_pos); | |
1033 | artist_invalidate_cursor(s); | |
1034 | break; | |
1035 | ||
1036 | case CURSOR_CTRL: | |
1037 | break; | |
1038 | ||
1039 | case IMAGE_BITMAP_OP: | |
1040 | combine_write_reg(addr, val, size, &s->image_bitmap_op); | |
1041 | break; | |
1042 | ||
1043 | case FONT_WRITE_INCR_Y: | |
1044 | combine_write_reg(addr, val, size, &s->font_write1); | |
1045 | font_write(s, s->font_write1); | |
1046 | break; | |
1047 | ||
1048 | case FONT_WRITE_START: | |
1049 | combine_write_reg(addr, val, size, &s->font_write2); | |
1050 | s->font_write_pos_y = 0; | |
1051 | font_write(s, s->font_write2); | |
1052 | break; | |
1053 | ||
1054 | case 300104: | |
1055 | break; | |
1056 | ||
1057 | default: | |
1058 | qemu_log_mask(LOG_UNIMP, "%s: unknown register: reg=%08" HWADDR_PRIx | |
1059 | " val=%08" PRIx64 " size=%d\n", | |
1060 | __func__, addr, val, size); | |
1061 | break; | |
1062 | } | |
1063 | } | |
1064 | ||
1065 | static uint64_t combine_read_reg(hwaddr addr, int size, void *in) | |
1066 | { | |
1067 | /* | |
1068 | * FIXME: is there a qemu helper for this? | |
1069 | */ | |
1070 | ||
1071 | #ifndef HOST_WORDS_BIGENDIAN | |
1072 | addr ^= 3; | |
1073 | #endif | |
1074 | ||
1075 | switch (size) { | |
1076 | case 1: | |
1077 | return *(uint8_t *)(in + (addr & 3)); | |
1078 | ||
1079 | case 2: | |
1080 | return *(uint16_t *)(in + (addr & 2)); | |
1081 | ||
1082 | case 4: | |
1083 | return *(uint32_t *)in; | |
1084 | ||
1085 | default: | |
1086 | qemu_log_mask(LOG_UNIMP, "unsupported read size: %d\n", size); | |
1087 | return 0; | |
1088 | } | |
1089 | } | |
1090 | ||
1091 | static uint64_t artist_reg_read(void *opaque, hwaddr addr, unsigned size) | |
1092 | { | |
1093 | ARTISTState *s = opaque; | |
1094 | uint32_t val = 0; | |
1095 | ||
1096 | switch (addr & ~3ULL) { | |
1097 | /* Unknown status registers */ | |
1098 | case 0: | |
1099 | break; | |
1100 | ||
1101 | case 0x211110: | |
1102 | val = (s->width << 16) | s->height; | |
1103 | if (s->depth == 1) { | |
1104 | val |= 1 << 31; | |
1105 | } | |
1106 | break; | |
1107 | ||
1108 | case 0x100000: | |
1109 | case 0x300000: | |
1110 | case 0x300004: | |
1111 | case 0x300308: | |
1112 | case 0x380000: | |
1113 | break; | |
1114 | ||
1115 | case 0x300008: | |
1116 | case 0x380008: | |
1117 | /* | |
1118 | * FIFO ready flag. we're not emulating the FIFOs | |
1119 | * so we're always ready | |
1120 | */ | |
1121 | val = 0x10; | |
1122 | break; | |
1123 | ||
1124 | case 0x300200: | |
1125 | val = s->reg_300200; | |
1126 | break; | |
1127 | ||
1128 | case 0x300208: | |
1129 | val = s->reg_300208; | |
1130 | break; | |
1131 | ||
1132 | case 0x300218: | |
1133 | val = s->reg_300218; | |
1134 | break; | |
1135 | ||
1136 | case 0x30023c: | |
1137 | val = 0xac4ffdac; | |
1138 | break; | |
1139 | ||
1140 | case 0x380004: | |
1141 | /* 0x02000000 Buserror */ | |
1142 | val = 0x6dc20006; | |
1143 | break; | |
1144 | ||
1145 | default: | |
1146 | qemu_log_mask(LOG_UNIMP, "%s: unknown register: %08" HWADDR_PRIx | |
1147 | " size %d\n", __func__, addr, size); | |
1148 | break; | |
1149 | } | |
1150 | val = combine_read_reg(addr, size, &val); | |
1151 | trace_artist_reg_read(size, addr, artist_reg_name(addr & ~3ULL), val); | |
1152 | return val; | |
1153 | } | |
1154 | ||
1155 | static void artist_vram_write(void *opaque, hwaddr addr, uint64_t val, | |
1156 | unsigned size) | |
1157 | { | |
1158 | ARTISTState *s = opaque; | |
1159 | struct vram_buffer *buf; | |
c7050f3f | 1160 | unsigned int posy, posx; |
a501bfc9 | 1161 | unsigned int offset; |
4765384c SS |
1162 | trace_artist_vram_write(size, addr, val); |
1163 | ||
1164 | if (s->cmap_bm_access) { | |
1165 | buf = &s->vram_buffer[ARTIST_BUFFER_CMAP]; | |
1166 | if (addr + 3 < buf->size) { | |
1167 | *(uint32_t *)(buf->data + addr) = val; | |
1168 | } | |
1169 | return; | |
1170 | } | |
1171 | ||
1172 | buf = vram_write_buffer(s); | |
c7050f3f HD |
1173 | posy = ADDR_TO_Y(addr); |
1174 | posx = ADDR_TO_X(addr); | |
1175 | ||
4765384c SS |
1176 | if (!buf->size) { |
1177 | return; | |
1178 | } | |
1179 | ||
1180 | if (posy > buf->height || posx > buf->width) { | |
1181 | return; | |
1182 | } | |
1183 | ||
1184 | offset = posy * buf->width + posx; | |
a501bfc9 HD |
1185 | if (offset >= buf->size) { |
1186 | return; | |
1187 | } | |
1188 | ||
4765384c SS |
1189 | switch (size) { |
1190 | case 4: | |
a501bfc9 HD |
1191 | if (offset + 3 < buf->size) { |
1192 | *(uint32_t *)(buf->data + offset) = be32_to_cpu(val); | |
1193 | memory_region_set_dirty(&buf->mr, offset, 4); | |
1194 | } | |
4765384c SS |
1195 | break; |
1196 | case 2: | |
a501bfc9 HD |
1197 | if (offset + 1 < buf->size) { |
1198 | *(uint16_t *)(buf->data + offset) = be16_to_cpu(val); | |
1199 | memory_region_set_dirty(&buf->mr, offset, 2); | |
1200 | } | |
4765384c SS |
1201 | break; |
1202 | case 1: | |
a501bfc9 HD |
1203 | if (offset < buf->size) { |
1204 | *(uint8_t *)(buf->data + offset) = val; | |
1205 | memory_region_set_dirty(&buf->mr, offset, 1); | |
1206 | } | |
4765384c SS |
1207 | break; |
1208 | default: | |
1209 | break; | |
1210 | } | |
1211 | } | |
1212 | ||
1213 | static uint64_t artist_vram_read(void *opaque, hwaddr addr, unsigned size) | |
1214 | { | |
1215 | ARTISTState *s = opaque; | |
1216 | struct vram_buffer *buf; | |
1217 | uint64_t val; | |
c7050f3f | 1218 | unsigned int posy, posx; |
4765384c SS |
1219 | |
1220 | if (s->cmap_bm_access) { | |
1221 | buf = &s->vram_buffer[ARTIST_BUFFER_CMAP]; | |
a501bfc9 HD |
1222 | val = 0; |
1223 | if (addr < buf->size && addr + 3 < buf->size) { | |
1224 | val = *(uint32_t *)(buf->data + addr); | |
1225 | } | |
4765384c | 1226 | trace_artist_vram_read(size, addr, 0, 0, val); |
a501bfc9 | 1227 | return val; |
4765384c SS |
1228 | } |
1229 | ||
1230 | buf = vram_read_buffer(s); | |
1231 | if (!buf->size) { | |
1232 | return 0; | |
1233 | } | |
1234 | ||
c7050f3f HD |
1235 | posy = ADDR_TO_Y(addr); |
1236 | posx = ADDR_TO_X(addr); | |
4765384c SS |
1237 | |
1238 | if (posy > buf->height || posx > buf->width) { | |
1239 | return 0; | |
1240 | } | |
1241 | ||
1242 | val = cpu_to_be32(*(uint32_t *)(buf->data + posy * buf->width + posx)); | |
1243 | trace_artist_vram_read(size, addr, posx, posy, val); | |
1244 | return val; | |
1245 | } | |
1246 | ||
1247 | static const MemoryRegionOps artist_reg_ops = { | |
1248 | .read = artist_reg_read, | |
1249 | .write = artist_reg_write, | |
1250 | .endianness = DEVICE_NATIVE_ENDIAN, | |
e0cf02ce HD |
1251 | .impl.min_access_size = 1, |
1252 | .impl.max_access_size = 4, | |
4765384c SS |
1253 | }; |
1254 | ||
1255 | static const MemoryRegionOps artist_vram_ops = { | |
1256 | .read = artist_vram_read, | |
1257 | .write = artist_vram_write, | |
1258 | .endianness = DEVICE_NATIVE_ENDIAN, | |
e0cf02ce HD |
1259 | .impl.min_access_size = 1, |
1260 | .impl.max_access_size = 4, | |
4765384c SS |
1261 | }; |
1262 | ||
1263 | static void artist_draw_cursor(ARTISTState *s) | |
1264 | { | |
1265 | DisplaySurface *surface = qemu_console_surface(s->con); | |
1266 | uint32_t *data = (uint32_t *)surface_data(surface); | |
1267 | struct vram_buffer *cursor0, *cursor1 , *buf; | |
1268 | int cx, cy, cursor_pos_x, cursor_pos_y; | |
1269 | ||
1270 | cursor0 = &s->vram_buffer[ARTIST_BUFFER_CURSOR1]; | |
1271 | cursor1 = &s->vram_buffer[ARTIST_BUFFER_CURSOR2]; | |
1272 | buf = &s->vram_buffer[ARTIST_BUFFER_AP]; | |
1273 | ||
1274 | artist_get_cursor_pos(s, &cursor_pos_x, &cursor_pos_y); | |
1275 | ||
1276 | for (cy = 0; cy < s->cursor_height; cy++) { | |
1277 | ||
1278 | for (cx = 0; cx < s->cursor_width; cx++) { | |
1279 | ||
1280 | if (cursor_pos_y + cy < 0 || | |
1281 | cursor_pos_x + cx < 0 || | |
1282 | cursor_pos_y + cy > buf->height - 1 || | |
1283 | cursor_pos_x + cx > buf->width) { | |
1284 | continue; | |
1285 | } | |
1286 | ||
1287 | int dstoffset = (cursor_pos_y + cy) * s->width + | |
1288 | (cursor_pos_x + cx); | |
1289 | ||
1290 | if (cursor0->data[cy * cursor0->width + cx]) { | |
1291 | data[dstoffset] = 0; | |
1292 | } else { | |
1293 | if (cursor1->data[cy * cursor1->width + cx]) { | |
1294 | data[dstoffset] = 0xffffff; | |
1295 | } | |
1296 | } | |
1297 | } | |
1298 | } | |
1299 | } | |
1300 | ||
1301 | static void artist_draw_line(void *opaque, uint8_t *d, const uint8_t *src, | |
1302 | int width, int pitch) | |
1303 | { | |
1304 | ARTISTState *s = ARTIST(opaque); | |
1305 | uint32_t *cmap, *data = (uint32_t *)d; | |
1306 | int x; | |
1307 | ||
1308 | cmap = (uint32_t *)(s->vram_buffer[ARTIST_BUFFER_CMAP].data + 0x400); | |
1309 | ||
1310 | for (x = 0; x < s->width; x++) { | |
1311 | *data++ = cmap[*src++]; | |
1312 | } | |
1313 | } | |
1314 | ||
1315 | static void artist_update_display(void *opaque) | |
1316 | { | |
1317 | ARTISTState *s = opaque; | |
1318 | DisplaySurface *surface = qemu_console_surface(s->con); | |
1319 | int first = 0, last; | |
1320 | ||
1321 | ||
1322 | framebuffer_update_display(surface, &s->fbsection, s->width, s->height, | |
1323 | s->width, s->width * 4, 0, 0, artist_draw_line, | |
1324 | s, &first, &last); | |
1325 | ||
1326 | artist_draw_cursor(s); | |
1327 | ||
1328 | dpy_gfx_update(s->con, 0, 0, s->width, s->height); | |
1329 | } | |
1330 | ||
1331 | static void artist_invalidate(void *opaque) | |
1332 | { | |
1333 | ARTISTState *s = ARTIST(opaque); | |
1334 | struct vram_buffer *buf = &s->vram_buffer[ARTIST_BUFFER_AP]; | |
1335 | memory_region_set_dirty(&buf->mr, 0, buf->size); | |
1336 | } | |
1337 | ||
1338 | static const GraphicHwOps artist_ops = { | |
1339 | .invalidate = artist_invalidate, | |
1340 | .gfx_update = artist_update_display, | |
1341 | }; | |
1342 | ||
1343 | static void artist_initfn(Object *obj) | |
1344 | { | |
1345 | SysBusDevice *sbd = SYS_BUS_DEVICE(obj); | |
1346 | ARTISTState *s = ARTIST(obj); | |
1347 | ||
1348 | memory_region_init_io(&s->reg, obj, &artist_reg_ops, s, "artist.reg", | |
1349 | 4 * MiB); | |
1350 | memory_region_init_io(&s->vram_mem, obj, &artist_vram_ops, s, "artist.vram", | |
1351 | 8 * MiB); | |
1352 | sysbus_init_mmio(sbd, &s->reg); | |
1353 | sysbus_init_mmio(sbd, &s->vram_mem); | |
1354 | } | |
1355 | ||
1356 | static void artist_create_buffer(ARTISTState *s, const char *name, | |
1357 | hwaddr *offset, unsigned int idx, | |
1358 | int width, int height) | |
1359 | { | |
1360 | struct vram_buffer *buf = s->vram_buffer + idx; | |
1361 | ||
1362 | memory_region_init_ram(&buf->mr, NULL, name, width * height, | |
1363 | &error_fatal); | |
1364 | memory_region_add_subregion_overlap(&s->mem_as_root, *offset, &buf->mr, 0); | |
1365 | ||
1366 | buf->data = memory_region_get_ram_ptr(&buf->mr); | |
1367 | buf->size = height * width; | |
1368 | buf->width = width; | |
1369 | buf->height = height; | |
1370 | ||
1371 | *offset += buf->size; | |
1372 | } | |
1373 | ||
1374 | static void artist_realizefn(DeviceState *dev, Error **errp) | |
1375 | { | |
1376 | ARTISTState *s = ARTIST(dev); | |
1377 | struct vram_buffer *buf; | |
1378 | hwaddr offset = 0; | |
1379 | ||
95aad497 HD |
1380 | if (s->width > 2048 || s->height > 2048) { |
1381 | error_report("artist: screen size can not exceed 2048 x 2048 pixel."); | |
1382 | s->width = MIN(s->width, 2048); | |
1383 | s->height = MIN(s->height, 2048); | |
1384 | } | |
1385 | ||
1386 | if (s->width < 640 || s->height < 480) { | |
1387 | error_report("artist: minimum screen size is 640 x 480 pixel."); | |
1388 | s->width = MAX(s->width, 640); | |
1389 | s->height = MAX(s->height, 480); | |
1390 | } | |
1391 | ||
4765384c SS |
1392 | memory_region_init(&s->mem_as_root, OBJECT(dev), "artist", ~0ull); |
1393 | address_space_init(&s->as, &s->mem_as_root, "artist"); | |
1394 | ||
1395 | artist_create_buffer(s, "cmap", &offset, ARTIST_BUFFER_CMAP, 2048, 4); | |
1396 | artist_create_buffer(s, "ap", &offset, ARTIST_BUFFER_AP, | |
1397 | s->width, s->height); | |
1398 | artist_create_buffer(s, "cursor1", &offset, ARTIST_BUFFER_CURSOR1, 64, 64); | |
1399 | artist_create_buffer(s, "cursor2", &offset, ARTIST_BUFFER_CURSOR2, 64, 64); | |
1400 | artist_create_buffer(s, "attribute", &offset, ARTIST_BUFFER_ATTRIBUTE, | |
1401 | 64, 64); | |
1402 | ||
1403 | buf = &s->vram_buffer[ARTIST_BUFFER_AP]; | |
1404 | framebuffer_update_memory_section(&s->fbsection, &buf->mr, 0, | |
1405 | buf->width, buf->height); | |
1406 | /* | |
1407 | * no idea whether the cursor is fixed size or not, so assume 32x32 which | |
1408 | * seems sufficient for HP-UX X11. | |
1409 | */ | |
1410 | s->cursor_height = 32; | |
1411 | s->cursor_width = 32; | |
1412 | ||
8e5c952b | 1413 | s->con = graphic_console_init(dev, 0, &artist_ops, s); |
4765384c SS |
1414 | qemu_console_resize(s->con, s->width, s->height); |
1415 | } | |
1416 | ||
1417 | static int vmstate_artist_post_load(void *opaque, int version_id) | |
1418 | { | |
1419 | artist_invalidate(opaque); | |
1420 | return 0; | |
1421 | } | |
1422 | ||
1423 | static const VMStateDescription vmstate_artist = { | |
1424 | .name = "artist", | |
1425 | .version_id = 1, | |
1426 | .minimum_version_id = 1, | |
1427 | .post_load = vmstate_artist_post_load, | |
1428 | .fields = (VMStateField[]) { | |
1429 | VMSTATE_UINT16(height, ARTISTState), | |
1430 | VMSTATE_UINT16(width, ARTISTState), | |
1431 | VMSTATE_UINT16(depth, ARTISTState), | |
1432 | VMSTATE_UINT32(fg_color, ARTISTState), | |
1433 | VMSTATE_UINT32(bg_color, ARTISTState), | |
1434 | VMSTATE_UINT32(vram_char_y, ARTISTState), | |
1435 | VMSTATE_UINT32(vram_bitmask, ARTISTState), | |
1436 | VMSTATE_UINT32(vram_start, ARTISTState), | |
1437 | VMSTATE_UINT32(vram_pos, ARTISTState), | |
1438 | VMSTATE_UINT32(vram_size, ARTISTState), | |
1439 | VMSTATE_UINT32(blockmove_source, ARTISTState), | |
1440 | VMSTATE_UINT32(blockmove_dest, ARTISTState), | |
1441 | VMSTATE_UINT32(blockmove_size, ARTISTState), | |
1442 | VMSTATE_UINT32(line_size, ARTISTState), | |
1443 | VMSTATE_UINT32(line_end, ARTISTState), | |
1444 | VMSTATE_UINT32(line_xy, ARTISTState), | |
1445 | VMSTATE_UINT32(cursor_pos, ARTISTState), | |
1446 | VMSTATE_UINT32(cursor_height, ARTISTState), | |
1447 | VMSTATE_UINT32(cursor_width, ARTISTState), | |
1448 | VMSTATE_UINT32(plane_mask, ARTISTState), | |
1449 | VMSTATE_UINT32(reg_100080, ARTISTState), | |
1450 | VMSTATE_UINT32(reg_300200, ARTISTState), | |
1451 | VMSTATE_UINT32(reg_300208, ARTISTState), | |
1452 | VMSTATE_UINT32(reg_300218, ARTISTState), | |
1453 | VMSTATE_UINT32(cmap_bm_access, ARTISTState), | |
1454 | VMSTATE_UINT32(dst_bm_access, ARTISTState), | |
1455 | VMSTATE_UINT32(src_bm_access, ARTISTState), | |
1456 | VMSTATE_UINT32(control_plane, ARTISTState), | |
1457 | VMSTATE_UINT32(transfer_data, ARTISTState), | |
1458 | VMSTATE_UINT32(image_bitmap_op, ARTISTState), | |
1459 | VMSTATE_UINT32(font_write1, ARTISTState), | |
1460 | VMSTATE_UINT32(font_write2, ARTISTState), | |
1461 | VMSTATE_UINT32(font_write_pos_y, ARTISTState), | |
1462 | VMSTATE_END_OF_LIST() | |
1463 | } | |
1464 | }; | |
1465 | ||
1466 | static Property artist_properties[] = { | |
1467 | DEFINE_PROP_UINT16("width", ARTISTState, width, 1280), | |
1468 | DEFINE_PROP_UINT16("height", ARTISTState, height, 1024), | |
1469 | DEFINE_PROP_UINT16("depth", ARTISTState, depth, 8), | |
1470 | DEFINE_PROP_END_OF_LIST(), | |
1471 | }; | |
1472 | ||
1473 | static void artist_reset(DeviceState *qdev) | |
1474 | { | |
1475 | } | |
1476 | ||
1477 | static void artist_class_init(ObjectClass *klass, void *data) | |
1478 | { | |
1479 | DeviceClass *dc = DEVICE_CLASS(klass); | |
1480 | ||
1481 | dc->realize = artist_realizefn; | |
1482 | dc->vmsd = &vmstate_artist; | |
1483 | dc->reset = artist_reset; | |
1484 | device_class_set_props(dc, artist_properties); | |
1485 | } | |
1486 | ||
1487 | static const TypeInfo artist_info = { | |
1488 | .name = TYPE_ARTIST, | |
1489 | .parent = TYPE_SYS_BUS_DEVICE, | |
1490 | .instance_size = sizeof(ARTISTState), | |
1491 | .instance_init = artist_initfn, | |
1492 | .class_init = artist_class_init, | |
1493 | }; | |
1494 | ||
1495 | static void artist_register_types(void) | |
1496 | { | |
1497 | type_register_static(&artist_info); | |
1498 | } | |
1499 | ||
1500 | type_init(artist_register_types) |