1 /* BEGIN CSTYLED */
2
3 /*
4 * Copyright (c) 2009, Intel Corporation.
5 * All Rights Reserved.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the next
15 * paragraph) shall be included in all copies or substantial portions of the
16 * Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
24 * IN THE SOFTWARE.
25 *
26 * Authors:
27 * Keith Packard <keithp@keithp.com>
28 *
29 */
30
31 /*
32 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
33 * Use is subject to license terms.
34 */
35
36 #include "drmP.h"
37 #include "drm.h"
38 #include "i915_drm.h"
39 #include "i915_drv.h"
40
41 #define BUFFER_FAIL(_count, _len, _name) { \
42 DRM_ERROR("Buffer size too small in %s (%d < %d)\n", \
43 (_name), (_count), (_len)); \
44 (*failures)++; \
45 return count; \
46 }
47
48
49 static uint32_t saved_s2 = 0, saved_s4 = 0;
50 static char saved_s2_set = 0, saved_s4_set = 0;
51
52 static void
53 instr_out(uint32_t *data, uint32_t hw_offset, unsigned int index,
54 const char *fmt, ...)
55 {
56
57 DRM_ERROR("0x%08x: 0x%08x:%s ", hw_offset + index * 4, data[index],
58 index == 0 ? "" : " ");
59 va_list ap;
60
61 va_start(ap, fmt);
62 vcmn_err(CE_WARN, fmt, ap);
63 va_end(ap);
64
65 }
66
67 static int
68 decode_mi(uint32_t *data, int count, uint32_t hw_offset, int *failures)
69 {
70 unsigned int opcode;
71
72 struct {
73 uint32_t opcode;
74 int min_len;
75 int max_len;
76 char *name;
77 } opcodes_mi[] = {
78 { 0x08, 1, 1, "MI_ARB_ON_OFF" },
79 { 0x0a, 1, 1, "MI_BATCH_BUFFER_END" },
80 { 0x31, 2, 2, "MI_BATCH_BUFFER_START" },
81 { 0x14, 3, 3, "MI_DISPLAY_BUFFER_INFO" },
82 { 0x04, 1, 1, "MI_FLUSH" },
83 { 0x22, 3, 3, "MI_LOAD_REGISTER_IMM" },
84 { 0x13, 2, 2, "MI_LOAD_SCAN_LINES_EXCL" },
85 { 0x12, 2, 2, "MI_LOAD_SCAN_LINES_INCL" },
86 { 0x00, 1, 1, "MI_NOOP" },
87 { 0x11, 2, 2, "MI_OVERLAY_FLIP" },
88 { 0x07, 1, 1, "MI_REPORT_HEAD" },
89 { 0x18, 2, 2, "MI_SET_CONTEXT" },
90 { 0x20, 3, 4, "MI_STORE_DATA_IMM" },
91 { 0x21, 3, 4, "MI_STORE_DATA_INDEX" },
92 { 0x24, 3, 3, "MI_STORE_REGISTER_MEM" },
93 { 0x02, 1, 1, "MI_USER_INTERRUPT" },
94 { 0x03, 1, 1, "MI_WAIT_FOR_EVENT" },
95 };
96
97
98 for (opcode = 0; opcode < sizeof(opcodes_mi) / sizeof(opcodes_mi[0]);
99 opcode++) {
100 if ((data[0] & 0x1f800000) >> 23 == opcodes_mi[opcode].opcode) {
101 unsigned int len = 1, i;
102
103 instr_out(data, hw_offset, 0, "%s\n", opcodes_mi[opcode].name);
104 if (opcodes_mi[opcode].max_len > 1) {
105 len = (data[0] & 0x000000ff) + 2;
106 if (len < opcodes_mi[opcode].min_len ||
107 len > opcodes_mi[opcode].max_len)
108 {
109 DRM_ERROR("Bad length in %s\n",
110 opcodes_mi[opcode].name);
111 }
112 }
113
114 for (i = 1; i < len; i++) {
115 if (i >= count)
116 BUFFER_FAIL(count, len, opcodes_mi[opcode].name);
117 instr_out(data, hw_offset, i, "dword %d\n", i);
118 }
119
120 return len;
121 }
122 }
123
124 instr_out(data, hw_offset, 0, "MI UNKNOWN\n");
125 (*failures)++;
126 return 1;
127 }
128
129 static int
130 decode_2d(uint32_t *data, int count, uint32_t hw_offset, int *failures)
131 {
132 unsigned int opcode, len;
133 char *format = NULL;
134
135 struct {
136 uint32_t opcode;
137 int min_len;
138 int max_len;
139 char *name;
140 } opcodes_2d[] = {
141 { 0x40, 5, 5, "COLOR_BLT" },
142 { 0x43, 6, 6, "SRC_COPY_BLT" },
143 { 0x01, 8, 8, "XY_SETUP_BLT" },
144 { 0x11, 9, 9, "XY_SETUP_MONO_PATTERN_SL_BLT" },
145 { 0x03, 3, 3, "XY_SETUP_CLIP_BLT" },
146 { 0x24, 2, 2, "XY_PIXEL_BLT" },
147 { 0x25, 3, 3, "XY_SCANLINES_BLT" },
148 { 0x26, 4, 4, "Y_TEXT_BLT" },
149 { 0x31, 5, 134, "XY_TEXT_IMMEDIATE_BLT" },
150 { 0x50, 6, 6, "XY_COLOR_BLT" },
151 { 0x51, 6, 6, "XY_PAT_BLT" },
152 { 0x76, 8, 8, "XY_PAT_CHROMA_BLT" },
153 { 0x72, 7, 135, "XY_PAT_BLT_IMMEDIATE" },
154 { 0x77, 9, 137, "XY_PAT_CHROMA_BLT_IMMEDIATE" },
155 { 0x52, 9, 9, "XY_MONO_PAT_BLT" },
156 { 0x59, 7, 7, "XY_MONO_PAT_FIXED_BLT" },
157 { 0x53, 8, 8, "XY_SRC_COPY_BLT" },
158 { 0x54, 8, 8, "XY_MONO_SRC_COPY_BLT" },
159 { 0x71, 9, 137, "XY_MONO_SRC_COPY_IMMEDIATE_BLT" },
160 { 0x55, 9, 9, "XY_FULL_BLT" },
161 { 0x55, 9, 137, "XY_FULL_IMMEDIATE_PATTERN_BLT" },
162 { 0x56, 9, 9, "XY_FULL_MONO_SRC_BLT" },
163 { 0x75, 10, 138, "XY_FULL_MONO_SRC_IMMEDIATE_PATTERN_BLT" },
164 { 0x57, 12, 12, "XY_FULL_MONO_PATTERN_BLT" },
165 { 0x58, 12, 12, "XY_FULL_MONO_PATTERN_MONO_SRC_BLT" },
166 };
167
168 switch ((data[0] & 0x1fc00000) >> 22) {
169 case 0x50:
170 instr_out(data, hw_offset, 0,
171 "XY_COLOR_BLT (rgb %sabled, alpha %sabled, dst tile %d)\n",
172 (data[0] & (1 << 20)) ? "en" : "dis",
173 (data[0] & (1 << 21)) ? "en" : "dis",
174 (data[0] >> 11) & 1);
175
176 len = (data[0] & 0x000000ff) + 2;
177 if (len != 6)
178 DRM_ERROR("Bad count in XY_COLOR_BLT\n");
179 if (count < 6)
180 BUFFER_FAIL(count, len, "XY_COLOR_BLT");
181
182 switch ((data[1] >> 24) & 0x3) {
183 case 0:
184 format="8";
185 break;
186 case 1:
187 format="565";
188 break;
189 case 2:
190 format="1555";
191 break;
192 case 3:
193 format="8888";
194 break;
195 }
196
197 instr_out(data, hw_offset, 1, "format %s, pitch %d, "
198 "clipping %sabled\n", format,
199 (short)(data[1] & 0xffff),
200 data[1] & (1 << 30) ? "en" : "dis");
201 instr_out(data, hw_offset, 2, "(%d,%d)\n",
202 data[2] & 0xffff, data[2] >> 16);
203 instr_out(data, hw_offset, 3, "(%d,%d)\n",
204 data[3] & 0xffff, data[3] >> 16);
205 instr_out(data, hw_offset, 4, "offset 0x%08x\n", data[4]);
206 instr_out(data, hw_offset, 5, "color\n");
207 return len;
208 case 0x53:
209 instr_out(data, hw_offset, 0,
210 "XY_SRC_COPY_BLT (rgb %sabled, alpha %sabled, "
211 "src tile %d, dst tile %d)\n",
212 (data[0] & (1 << 20)) ? "en" : "dis",
213 (data[0] & (1 << 21)) ? "en" : "dis",
214 (data[0] >> 15) & 1,
215 (data[0] >> 11) & 1);
216
217 len = (data[0] & 0x000000ff) + 2;
218 if (len != 8)
219 DRM_ERROR("Bad count in XY_SRC_COPY_BLT\n");
220 if (count < 8)
221 BUFFER_FAIL(count, len, "XY_SRC_COPY_BLT");
222
223 switch ((data[1] >> 24) & 0x3) {
224 case 0:
225 format="8";
226 break;
227 case 1:
228 format="565";
229 break;
230 case 2:
231 format="1555";
232 break;
233 case 3:
234 format="8888";
235 break;
236 }
237
238 instr_out(data, hw_offset, 1, "format %s, dst pitch %d, "
239 "clipping %sabled\n", format,
240 (short)(data[1] & 0xffff),
241 data[1] & (1 << 30) ? "en" : "dis");
242 instr_out(data, hw_offset, 2, "dst (%d,%d)\n",
243 data[2] & 0xffff, data[2] >> 16);
244 instr_out(data, hw_offset, 3, "dst (%d,%d)\n",
245 data[3] & 0xffff, data[3] >> 16);
246 instr_out(data, hw_offset, 4, "dst offset 0x%08x\n", data[4]);
247 instr_out(data, hw_offset, 5, "src (%d,%d)\n",
248 data[5] & 0xffff, data[5] >> 16);
249 instr_out(data, hw_offset, 6, "src pitch %d\n",
250 (short)(data[6] & 0xffff));
251 instr_out(data, hw_offset, 7, "src offset 0x%08x\n", data[7]);
252 return len;
253 }
254
255 for (opcode = 0; opcode < sizeof(opcodes_2d) / sizeof(opcodes_2d[0]);
256 opcode++) {
257 if ((data[0] & 0x1fc00000) >> 22 == opcodes_2d[opcode].opcode) {
258 unsigned int i;
259
260 len = 1;
261 instr_out(data, hw_offset, 0, "%s\n", opcodes_2d[opcode].name);
262 if (opcodes_2d[opcode].max_len > 1) {
263 len = (data[0] & 0x000000ff) + 2;
264 if (len < opcodes_2d[opcode].min_len ||
265 len > opcodes_2d[opcode].max_len)
266 {
267 DRM_ERROR("Bad count in %s\n", opcodes_2d[opcode].name);
268 }
269 }
270
271 for (i = 1; i < len; i++) {
272 if (i >= count)
273 BUFFER_FAIL(count, len, opcodes_2d[opcode].name);
274 instr_out(data, hw_offset, i, "dword %d\n", i);
275 }
276
277 return len;
278 }
279 }
280
281 instr_out(data, hw_offset, 0, "2D UNKNOWN\n");
282 (*failures)++;
283 return 1;
284 }
285
286 /*ARGSUSED*/
287 static int
288 decode_3d_1c(uint32_t *data, int count, uint32_t hw_offset, int *failures)
289 {
290 switch ((data[0] & 0x00f80000) >> 19) {
291 case 0x11:
292 instr_out(data, hw_offset, 0, "3DSTATE_DEPTH_SUBRECTANGLE_DISALBE\n");
293 return 1;
294 case 0x10:
295 instr_out(data, hw_offset, 0, "3DSTATE_SCISSOR_ENABLE\n");
296 return 1;
297 case 0x01:
298 instr_out(data, hw_offset, 0, "3DSTATE_MAP_COORD_SET_I830\n");
299 return 1;
300 case 0x0a:
301 instr_out(data, hw_offset, 0, "3DSTATE_MAP_CUBE_I830\n");
302 return 1;
303 case 0x05:
304 instr_out(data, hw_offset, 0, "3DSTATE_MAP_TEX_STREAM_I830\n");
305 return 1;
306 }
307
308 instr_out(data, hw_offset, 0, "3D UNKNOWN\n");
309 (*failures)++;
310 return 1;
311 }
312
313 static int
314 decode_3d_1d(uint32_t *data, int count, uint32_t hw_offset, int *failures, int i830)
315 {
316 unsigned int len, i, c, opcode, word, map, sampler, instr;
317
318 struct {
319 uint32_t opcode;
320 int i830_only;
321 int min_len;
322 int max_len;
323 char *name;
324 } opcodes_3d_1d[] = {
325 { 0x8e, 0, 3, 3, "3DSTATE_BUFFER_INFO" },
326 { 0x86, 0, 4, 4, "3DSTATE_CHROMA_KEY" },
327 { 0x9c, 0, 1, 1, "3DSTATE_CLEAR_PARAMETERS" },
328 { 0x88, 0, 2, 2, "3DSTATE_CONSTANT_BLEND_COLOR" },
329 { 0x99, 0, 2, 2, "3DSTATE_DEFAULT_DIFFUSE" },
330 { 0x9a, 0, 2, 2, "3DSTATE_DEFAULT_SPECULAR" },
331 { 0x98, 0, 2, 2, "3DSTATE_DEFAULT_Z" },
332 { 0x97, 0, 2, 2, "3DSTATE_DEPTH_OFFSET_SCALE" },
333 { 0x85, 0, 2, 2, "3DSTATE_DEST_BUFFER_VARIABLES" },
334 { 0x80, 0, 5, 5, "3DSTATE_DRAWING_RECTANGLE" },
335 { 0x8e, 0, 3, 3, "3DSTATE_BUFFER_INFO" },
336 { 0x9d, 0, 65, 65, "3DSTATE_FILTER_COEFFICIENTS_4X4" },
337 { 0x9e, 0, 4, 4, "3DSTATE_MONO_FILTER" },
338 { 0x89, 0, 4, 4, "3DSTATE_FOG_MODE" },
339 { 0x8f, 0, 2, 16, "3DSTATE_MAP_PALLETE_LOAD_32" },
340 { 0x81, 0, 3, 3, "3DSTATE_SCISSOR_RECTANGLE" },
341 { 0x83, 0, 2, 2, "3DSTATE_SPAN_STIPPLE" },
342 { 0x8c, 1, 2, 2, "3DSTATE_MAP_COORD_TRANSFORM_I830" },
343 { 0x8b, 1, 2, 2, "3DSTATE_MAP_VERTEX_TRANSFORM_I830" },
344 { 0x8d, 1, 3, 3, "3DSTATE_W_STATE_I830" },
345 { 0x01, 1, 2, 2, "3DSTATE_COLOR_FACTOR_I830" },
346 { 0x02, 1, 2, 2, "3DSTATE_MAP_COORD_SETBIND_I830" },
347 };
348
349 switch ((data[0] & 0x00ff0000) >> 16) {
350 case 0x07:
351 /* This instruction is unusual. A 0 length means just 1 DWORD instead of
352 * 2. The 0 length is specified in one place to be unsupported, but
353 * stated to be required in another, and 0 length LOAD_INDIRECTs appear
354 * to cause no harm at least.
355 */
356 instr_out(data, hw_offset, 0, "3DSTATE_LOAD_INDIRECT\n");
357 len = (data[0] & 0x000000ff) + 1;
358 i = 1;
359 if (data[0] & (0x01 << 8)) {
360 if (i + 2 >= count)
361 BUFFER_FAIL(count, len, "3DSTATE_LOAD_INDIRECT");
362 instr_out(data, hw_offset, i++, "SIS.0\n");
363 instr_out(data, hw_offset, i++, "SIS.1\n");
364 }
365 if (data[0] & (0x02 << 8)) {
366 if (i + 1 >= count)
367 BUFFER_FAIL(count, len, "3DSTATE_LOAD_INDIRECT");
368 instr_out(data, hw_offset, i++, "DIS.0\n");
369 }
370 if (data[0] & (0x04 << 8)) {
371 if (i + 2 >= count)
372 BUFFER_FAIL(count, len, "3DSTATE_LOAD_INDIRECT");
373 instr_out(data, hw_offset, i++, "SSB.0\n");
374 instr_out(data, hw_offset, i++, "SSB.1\n");
375 }
376 if (data[0] & (0x08 << 8)) {
377 if (i + 2 >= count)
378 BUFFER_FAIL(count, len, "3DSTATE_LOAD_INDIRECT");
379 instr_out(data, hw_offset, i++, "MSB.0\n");
380 instr_out(data, hw_offset, i++, "MSB.1\n");
381 }
382 if (data[0] & (0x10 << 8)) {
383 if (i + 2 >= count)
384 BUFFER_FAIL(count, len, "3DSTATE_LOAD_INDIRECT");
385 instr_out(data, hw_offset, i++, "PSP.0\n");
386 instr_out(data, hw_offset, i++, "PSP.1\n");
387 }
388 if (data[0] & (0x20 << 8)) {
389 if (i + 2 >= count)
390 BUFFER_FAIL(count, len, "3DSTATE_LOAD_INDIRECT");
391 instr_out(data, hw_offset, i++, "PSC.0\n");
392 instr_out(data, hw_offset, i++, "PSC.1\n");
393 }
394 if (len != i) {
395 DRM_ERROR("Bad count in 3DSTATE_LOAD_INDIRECT\n");
396 (*failures)++;
397 return len;
398 }
399 return len;
400 case 0x04:
401 instr_out(data, hw_offset, 0, "3DSTATE_LOAD_STATE_IMMEDIATE_1\n");
402 len = (data[0] & 0x0000000f) + 2;
403 i = 1;
404 for (word = 0; word <= 7; word++) {
405 if (data[0] & (1 << (4 + word))) {
406 if (i >= count)
407 BUFFER_FAIL(count, len, "3DSTATE_LOAD_STATE_IMMEDIATE_1");
408
409 /* save vertex state for decode */
410 if (word == 2) {
411 saved_s2_set = 1;
412 saved_s2 = data[i];
413 }
414 if (word == 4) {
415 saved_s4_set = 1;
416 saved_s4 = data[i];
417 }
418
419 instr_out(data, hw_offset, i++, "S%d\n", word);
420 }
421 }
422 if (len != i) {
423 DRM_ERROR("Bad count in 3DSTATE_LOAD_INDIRECT\n");
424 (*failures)++;
425 }
426 return len;
427 case 0x00:
428 instr_out(data, hw_offset, 0, "3DSTATE_MAP_STATE\n");
429 len = (data[0] & 0x0000003f) + 2;
430
431 i = 1;
432 for (map = 0; map <= 15; map++) {
433 if (data[1] & (1 << map)) {
434 if (i + 3 >= count)
435 BUFFER_FAIL(count, len, "3DSTATE_MAP_STATE");
436 instr_out(data, hw_offset, i++, "map %d MS2\n", map);
437 instr_out(data, hw_offset, i++, "map %d MS3\n", map);
438 instr_out(data, hw_offset, i++, "map %d MS4\n", map);
439 }
440 }
441 if (len != i) {
442 DRM_ERROR("Bad count in 3DSTATE_MAP_STATE\n");
443 (*failures)++;
444 return len;
445 }
446 return len;
447 case 0x06:
448 instr_out(data, hw_offset, 0, "3DSTATE_PIXEL_SHADER_CONSTANTS\n");
449 len = (data[0] & 0x000000ff) + 2;
450
451 i = 1;
452 for (c = 0; c <= 31; c++) {
453 if (data[1] & (1 << c)) {
454 if (i + 4 >= count)
455 BUFFER_FAIL(count, len, "3DSTATE_PIXEL_SHADER_CONSTANTS");
456 instr_out(data, hw_offset, i, "C%d.X = %x float\n",
457 c, data[i]);
458 i++;
459 instr_out(data, hw_offset, i, "C%d.Y = %x float\n",
460 c, data[i]);
461 i++;
462 instr_out(data, hw_offset, i, "C%d.Z = %x float\n",
463 c, data[i]);
464 i++;
465 instr_out(data, hw_offset, i, "C%d.W = %x float\n",
466 c, data[i]);
467 i++;
468 }
469 }
470 if (len != i) {
471 DRM_ERROR("Bad count in 3DSTATE_MAP_STATE\n");
472 (*failures)++;
473 }
474 return len;
475 case 0x05:
476 instr_out(data, hw_offset, 0, "3DSTATE_PIXEL_SHADER_PROGRAM\n");
477 len = (data[0] & 0x000000ff) + 2;
478 if ((len - 1) % 3 != 0 || len > 370) {
479 DRM_ERROR("Bad count in 3DSTATE_PIXEL_SHADER_PROGRAM\n");
480 (*failures)++;
481 }
482 i = 1;
483 for (instr = 0; instr < (len - 1) / 3; instr++) {
484 if (i + 3 >= count)
485 BUFFER_FAIL(count, len, "3DSTATE_MAP_STATE");
486 instr_out(data, hw_offset, i++, "PS%03x\n", instr);
487 instr_out(data, hw_offset, i++, "PS%03x\n", instr);
488 instr_out(data, hw_offset, i++, "PS%03x\n", instr);
489 }
490 return len;
491 case 0x01:
492 if (i830)
493 break;
494 instr_out(data, hw_offset, 0, "3DSTATE_SAMPLER_STATE\n");
495 len = (data[0] & 0x0000003f) + 2;
496 i = 1;
497 for (sampler = 0; sampler <= 15; sampler++) {
498 if (data[1] & (1 << sampler)) {
499 if (i + 3 >= count)
500 BUFFER_FAIL(count, len, "3DSTATE_SAMPLER_STATE");
501 instr_out(data, hw_offset, i++, "sampler %d SS2\n",
502 sampler);
503 instr_out(data, hw_offset, i++, "sampler %d SS3\n",
504 sampler);
505 instr_out(data, hw_offset, i++, "sampler %d SS4\n",
506 sampler);
507 }
508 }
509 if (len != i) {
510 DRM_ERROR("Bad count in 3DSTATE_SAMPLER_STATE\n");
511 (*failures)++;
512 }
513 return len;
514 }
515
516 for (opcode = 0; opcode < sizeof(opcodes_3d_1d) / sizeof(opcodes_3d_1d[0]);
517 opcode++)
518 {
519 if (opcodes_3d_1d[opcode].i830_only && !i830)
520 continue;
521
522 if (((data[0] & 0x00ff0000) >> 16) == opcodes_3d_1d[opcode].opcode) {
523 len = 1;
524
525 instr_out(data, hw_offset, 0, "%s\n", opcodes_3d_1d[opcode].name);
526 if (opcodes_3d_1d[opcode].max_len > 1) {
527 len = (data[0] & 0x0000ffff) + 2;
528 if (len < opcodes_3d_1d[opcode].min_len ||
529 len > opcodes_3d_1d[opcode].max_len)
530 {
531 DRM_ERROR("Bad count in %s\n",
532 opcodes_3d_1d[opcode].name);
533 (*failures)++;
534 }
535 }
536
537 for (i = 1; i < len; i++) {
538 if (i >= count)
539 BUFFER_FAIL(count, len, opcodes_3d_1d[opcode].name);
540 instr_out(data, hw_offset, i, "dword %d\n", i);
541 }
542
543 return len;
544 }
545 }
546
547 instr_out(data, hw_offset, 0, "3D UNKNOWN\n");
548 (*failures)++;
549 return 1;
550 }
551
552 static int
553 decode_3d_primitive(uint32_t *data, int count, uint32_t hw_offset,
554 int *failures)
555 {
556 char immediate = (data[0] & (1 << 23)) == 0;
557 unsigned int len, i;
558 char *primtype;
559
560 switch ((data[0] >> 18) & 0xf) {
561 case 0x0: primtype = "TRILIST"; break;
562 case 0x1: primtype = "TRISTRIP"; break;
563 case 0x2: primtype = "TRISTRIP_REVERSE"; break;
564 case 0x3: primtype = "TRIFAN"; break;
565 case 0x4: primtype = "POLYGON"; break;
566 case 0x5: primtype = "LINELIST"; break;
567 case 0x6: primtype = "LINESTRIP"; break;
568 case 0x7: primtype = "RECTLIST"; break;
569 case 0x8: primtype = "POINTLIST"; break;
570 case 0x9: primtype = "DIB"; break;
571 case 0xa: primtype = "CLEAR_RECT"; break;
572 default: primtype = "unknown"; break;
573 }
574
575 /* XXX: 3DPRIM_DIB not supported */
576 if (immediate) {
577 len = (data[0] & 0x0003ffff) + 2;
578 instr_out(data, hw_offset, 0, "3DPRIMITIVE inline %s\n", primtype);
579 if (count < len)
580 BUFFER_FAIL(count, len, "3DPRIMITIVE inline");
581 if (!saved_s2_set || !saved_s4_set) {
582 DRM_ERROR("unknown vertex format\n");
583 for (i = 1; i < len; i++) {
584 instr_out(data, hw_offset, i,
585 " vertex data (%x float)\n",
586 data[i]);
587 }
588 } else {
589 unsigned int vertex = 0;
590 for (i = 1; i < len;) {
591 unsigned int tc;
592
593 #define VERTEX_OUT(fmt, ...) { \
594 if (i < len) \
595 instr_out(data, hw_offset, i, " V%d."fmt"\n", vertex, __VA_ARGS__); \
596 else \
597 DRM_ERROR(" missing data in V%d\n", vertex); \
598 i++; \
599 }
600
601 VERTEX_OUT("X = %x float", data[i]);
602 VERTEX_OUT("Y = %x float", data[i]);
603 switch (saved_s4 >> 6 & 0x7) {
604 case 0x1:
605 VERTEX_OUT("Z = %x float", data[i]);
606 break;
607 case 0x2:
608 VERTEX_OUT("Z = %x float", data[i]);
609 VERTEX_OUT("W = %x float", data[i]);
610 break;
611 case 0x3:
612 break;
613 case 0x4:
614 VERTEX_OUT("W = %x float", data[i]);
615 break;
616 default:
617 DRM_ERROR("bad S4 position mask\n");
618 }
619
620 if (saved_s4 & (1 << 10)) {
621 VERTEX_OUT("color = (A=0x%02x, R=0x%02x, G=0x%02x, "
622 "B=0x%02x)",
623 data[i] >> 24,
624 (data[i] >> 16) & 0xff,
625 (data[i] >> 8) & 0xff,
626 data[i] & 0xff);
627 }
628 if (saved_s4 & (1 << 11)) {
629 VERTEX_OUT("spec = (A=0x%02x, R=0x%02x, G=0x%02x, "
630 "B=0x%02x)",
631 data[i] >> 24,
632 (data[i] >> 16) & 0xff,
633 (data[i] >> 8) & 0xff,
634 data[i] & 0xff);
635 }
636 if (saved_s4 & (1 << 12))
637 VERTEX_OUT("width = 0x%08x)", data[i]);
638
639 for (tc = 0; tc <= 7; tc++) {
640 switch ((saved_s2 >> (tc * 4)) & 0xf) {
641 case 0x0:
642 VERTEX_OUT("T%d.X = %x float", tc, data[i]);
643 VERTEX_OUT("T%d.Y = %x float", tc, data[i]);
644 break;
645 case 0x1:
646 VERTEX_OUT("T%d.X = %x float", tc, data[i]);
647 VERTEX_OUT("T%d.Y = %x float", tc, data[i]);
648 VERTEX_OUT("T%d.Z = %x float", tc, data[i]);
649 break;
650 case 0x2:
651 VERTEX_OUT("T%d.X = %x float", tc, data[i]);
652 VERTEX_OUT("T%d.Y = %x float", tc, data[i]);
653 VERTEX_OUT("T%d.Z = %x float", tc, data[i]);
654 VERTEX_OUT("T%d.W = %x float", tc, data[i]);
655 break;
656 case 0x3:
657 VERTEX_OUT("T%d.X = %x float", tc, data[i]);
658 break;
659 case 0x4:
660 VERTEX_OUT("T%d.XY = 0x%08x half-float", tc, data[i]);
661 break;
662 case 0x5:
663 VERTEX_OUT("T%d.XY = 0x%08x half-float", tc, data[i]);
664 VERTEX_OUT("T%d.ZW = 0x%08x half-float", tc, data[i]);
665 break;
666 case 0xf:
667 break;
668 default:
669 DRM_ERROR("bad S2.T%d format\n", tc);
670 }
671 }
672 vertex++;
673 }
674 }
675 } else {
676 /* indirect vertices */
677 len = data[0] & 0x0000ffff; /* index count */
678 if (data[0] & (1 << 17)) {
679 /* random vertex access */
680 if (count < (len + 1) / 2 + 1)
681 BUFFER_FAIL(count, (len + 1) / 2 + 1, "3DPRIMITIVE random indirect");
682 instr_out(data, hw_offset, 0,
683 "3DPRIMITIVE random indirect %s (%d)\n", primtype, len);
684 if (len == 0) {
685 /* vertex indices continue until 0xffff is found */
686 for (i = 1; i < count; i++) {
687 if ((data[i] & 0xffff) == 0xffff) {
688 instr_out(data, hw_offset, i,
689 " indices: (terminator)\n");
690 return i;
691 } else if ((data[i] >> 16) == 0xffff) {
692 instr_out(data, hw_offset, i,
693 " indices: 0x%04x, "
694 "(terminator)\n",
695 data[i] & 0xffff);
696 return i;
697 } else {
698 instr_out(data, hw_offset, i,
699 " indices: 0x%04x, 0x%04x\n",
700 data[i] & 0xffff, data[i] >> 16);
701 }
702 }
703 DRM_ERROR("3DPRIMITIVE: no terminator found in index buffer\n");
704 (*failures)++;
705 return count;
706 } else {
707 /* fixed size vertex index buffer */
708 for (i = 0; i < len; i += 2) {
709 if (i * 2 == len - 1) {
710 instr_out(data, hw_offset, i,
711 " indices: 0x%04x\n",
712 data[i] & 0xffff);
713 } else {
714 instr_out(data, hw_offset, i,
715 " indices: 0x%04x, 0x%04x\n",
716 data[i] & 0xffff, data[i] >> 16);
717 }
718 }
719 }
720 return (len + 1) / 2 + 1;
721 } else {
722 /* sequential vertex access */
723 if (count < 2)
724 BUFFER_FAIL(count, 2, "3DPRIMITIVE seq indirect");
725 instr_out(data, hw_offset, 0,
726 "3DPRIMITIVE sequential indirect %s, %d starting from "
727 "%d\n", primtype, len, data[1] & 0xffff);
728 instr_out(data, hw_offset, 1, " start\n");
729 return 2;
730 }
731 }
732
733 return len;
734 }
735
736 static int
737 decode_3d(uint32_t *data, int count, uint32_t hw_offset, int *failures)
738 {
739 unsigned int opcode;
740
741 struct {
742 uint32_t opcode;
743 int min_len;
744 int max_len;
745 char *name;
746 } opcodes_3d[] = {
747 { 0x06, 1, 1, "3DSTATE_ANTI_ALIASING" },
748 { 0x08, 1, 1, "3DSTATE_BACKFACE_STENCIL_OPS" },
749 { 0x09, 1, 1, "3DSTATE_BACKFACE_STENCIL_MASKS" },
750 { 0x16, 1, 1, "3DSTATE_COORD_SET_BINDINGS" },
751 { 0x15, 1, 1, "3DSTATE_FOG_COLOR" },
752 { 0x0b, 1, 1, "3DSTATE_INDEPENDENT_ALPHA_BLEND" },
753 { 0x0d, 1, 1, "3DSTATE_MODES_4" },
754 { 0x0c, 1, 1, "3DSTATE_MODES_5" },
755 { 0x07, 1, 1, "3DSTATE_RASTERIZATION_RULES" },
756 };
757
758 switch ((data[0] & 0x1f000000) >> 24) {
759 case 0x1f:
760 return decode_3d_primitive(data, count, hw_offset, failures);
761 case 0x1d:
762 return decode_3d_1d(data, count, hw_offset, failures, 0);
763 case 0x1c:
764 return decode_3d_1c(data, count, hw_offset, failures);
765 }
766
767 for (opcode = 0; opcode < sizeof(opcodes_3d) / sizeof(opcodes_3d[0]);
768 opcode++) {
769 if ((data[0] & 0x1f000000) >> 24 == opcodes_3d[opcode].opcode) {
770 unsigned int len = 1, i;
771
772 instr_out(data, hw_offset, 0, "%s\n", opcodes_3d[opcode].name);
773 if (opcodes_3d[opcode].max_len > 1) {
774 len = (data[0] & 0xff) + 2;
775 if (len < opcodes_3d[opcode].min_len ||
776 len > opcodes_3d[opcode].max_len)
777 {
778 DRM_ERROR("Bad count in %s\n", opcodes_3d[opcode].name);
779 }
780 }
781
782 for (i = 1; i < len; i++) {
783 if (i >= count)
784 BUFFER_FAIL(count, len, opcodes_3d[opcode].name);
785 instr_out(data, hw_offset, i, "dword %d\n", i);
786 }
787 return len;
788 }
789 }
790
791 instr_out(data, hw_offset, 0, "3D UNKNOWN\n");
792 (*failures)++;
793 return 1;
794 }
795
796 static const char *
797 get_965_surfacetype(unsigned int surfacetype)
798 {
799 switch (surfacetype) {
800 case 0: return "1D";
801 case 1: return "2D";
802 case 2: return "3D";
803 case 3: return "CUBE";
804 case 4: return "BUFFER";
805 case 7: return "NULL";
806 default: return "unknown";
807 }
808 }
809
810 static const char *
811 get_965_depthformat(unsigned int depthformat)
812 {
813 switch (depthformat) {
814 case 0: return "s8_z24float";
815 case 1: return "z32float";
816 case 2: return "z24s8";
817 case 5: return "z16";
818 default: return "unknown";
819 }
820 }
821
822 static int
823 decode_3d_965(uint32_t *data, int count, uint32_t hw_offset, int *failures)
824 {
825 unsigned int opcode, len;
826
827 struct {
828 uint32_t opcode;
829 int min_len;
830 int max_len;
831 char *name;
832 } opcodes_3d[] = {
833 { 0x6000, 3, 3, "URB_FENCE" },
834 { 0x6001, 2, 2, "CS_URB_STATE" },
835 { 0x6002, 2, 2, "CONSTANT_BUFFER" },
836 { 0x6101, 6, 6, "STATE_BASE_ADDRESS" },
837 { 0x6102, 2, 2 , "STATE_SIP" },
838 { 0x6104, 1, 1, "3DSTATE_PIPELINE_SELECT" },
839 { 0x680b, 1, 1, "3DSTATE_VF_STATISTICS" },
840 { 0x6904, 1, 1, "3DSTATE_PIPELINE_SELECT" },
841 { 0x7800, 7, 7, "3DSTATE_PIPELINED_POINTERS" },
842 { 0x7801, 6, 6, "3DSTATE_BINDING_TABLE_POINTERS" },
843 { 0x780b, 1, 1, "3DSTATE_VF_STATISTICS" },
844 { 0x7808, 5, 257, "3DSTATE_VERTEX_BUFFERS" },
845 { 0x7809, 3, 256, "3DSTATE_VERTEX_ELEMENTS" },
846 /* 0x7808: 3DSTATE_VERTEX_BUFFERS */
847 /* 0x7809: 3DSTATE_VERTEX_ELEMENTS */
848 { 0x7900, 4, 4, "3DSTATE_DRAWING_RECTANGLE" },
849 { 0x7901, 5, 5, "3DSTATE_CONSTANT_COLOR" },
850 { 0x7905, 5, 7, "3DSTATE_DEPTH_BUFFER" },
851 { 0x7906, 2, 2, "3DSTATE_POLY_STIPPLE_OFFSET" },
852 { 0x7907, 33, 33, "3DSTATE_POLY_STIPPLE_PATTERN" },
853 { 0x7908, 3, 3, "3DSTATE_LINE_STIPPLE" },
854 { 0x7909, 2, 2, "3DSTATE_GLOBAL_DEPTH_OFFSET_CLAMP" },
855 { 0x790a, 3, 3, "3DSTATE_AA_LINE_PARAMETERS" },
856 { 0x7b00, 6, 6, "3DPRIMITIVE" },
857 };
858
859 len = (data[0] & 0x0000ffff) + 2;
860
861 switch ((data[0] & 0xffff0000) >> 16) {
862 case 0x6101:
863 if (len != 6)
864 DRM_ERROR("Bad count in STATE_BASE_ADDRESS\n");
865 if (count < 6)
866 BUFFER_FAIL(count, len, "STATE_BASE_ADDRESS");
867
868 instr_out(data, hw_offset, 0,
869 "STATE_BASE_ADDRESS\n");
870
871 if (data[1] & 1) {
872 instr_out(data, hw_offset, 1, "General state at 0x%08x\n",
873 data[1] & ~1);
874 } else
875 instr_out(data, hw_offset, 1, "General state not updated\n");
876
877 if (data[2] & 1) {
878 instr_out(data, hw_offset, 2, "Surface state at 0x%08x\n",
879 data[2] & ~1);
880 } else
881 instr_out(data, hw_offset, 2, "Surface state not updated\n");
882
883 if (data[3] & 1) {
884 instr_out(data, hw_offset, 3, "Indirect state at 0x%08x\n",
885 data[3] & ~1);
886 } else
887 instr_out(data, hw_offset, 3, "Indirect state not updated\n");
888
889 if (data[4] & 1) {
890 instr_out(data, hw_offset, 4, "General state upper bound 0x%08x\n",
891 data[4] & ~1);
892 } else
893 instr_out(data, hw_offset, 4, "General state not updated\n");
894
895 if (data[5] & 1) {
896 instr_out(data, hw_offset, 5, "Indirect state upper bound 0x%08x\n",
897 data[5] & ~1);
898 } else
899 instr_out(data, hw_offset, 5, "Indirect state not updated\n");
900
901 return len;
902 case 0x7800:
903 if (len != 7)
904 DRM_ERROR("Bad count in 3DSTATE_PIPELINED_POINTERS\n");
905 if (count < 7)
906 BUFFER_FAIL(count, len, "3DSTATE_PIPELINED_POINTERS");
907
908 instr_out(data, hw_offset, 0,
909 "3DSTATE_PIPELINED_POINTERS\n");
910 instr_out(data, hw_offset, 1, "VS state\n");
911 instr_out(data, hw_offset, 2, "GS state\n");
912 instr_out(data, hw_offset, 3, "Clip state\n");
913 instr_out(data, hw_offset, 4, "SF state\n");
914 instr_out(data, hw_offset, 5, "WM state\n");
915 instr_out(data, hw_offset, 6, "CC state\n");
916 return len;
917 case 0x7801:
918 if (len != 6)
919 DRM_ERROR("Bad count in 3DSTATE_BINDING_TABLE_POINTERS\n");
920 if (count < 6)
921 BUFFER_FAIL(count, len, "3DSTATE_BINDING_TABLE_POINTERS");
922
923 instr_out(data, hw_offset, 0,
924 "3DSTATE_BINDING_TABLE_POINTERS\n");
925 instr_out(data, hw_offset, 1, "VS binding table\n");
926 instr_out(data, hw_offset, 2, "GS binding table\n");
927 instr_out(data, hw_offset, 3, "Clip binding table\n");
928 instr_out(data, hw_offset, 4, "SF binding table\n");
929 instr_out(data, hw_offset, 5, "WM binding table\n");
930
931 return len;
932
933 case 0x7900:
934 if (len != 4)
935 DRM_ERROR("Bad count in 3DSTATE_DRAWING_RECTANGLE\n");
936 if (count < 4)
937 BUFFER_FAIL(count, len, "3DSTATE_DRAWING_RECTANGLE");
938
939 instr_out(data, hw_offset, 0,
940 "3DSTATE_DRAWING_RECTANGLE\n");
941 instr_out(data, hw_offset, 1, "top left: %d,%d\n",
942 data[1] & 0xffff,
943 (data[1] >> 16) & 0xffff);
944 instr_out(data, hw_offset, 2, "bottom right: %d,%d\n",
945 data[2] & 0xffff,
946 (data[2] >> 16) & 0xffff);
947 instr_out(data, hw_offset, 3, "origin: %d,%d\n",
948 (int)data[3] & 0xffff,
949 ((int)data[3] >> 16) & 0xffff);
950
951 return len;
952
953 case 0x7905:
954 if (len != 5)
955 DRM_ERROR("Bad count in 3DSTATE_DEPTH_BUFFER\n");
956 if (count < 5)
957 BUFFER_FAIL(count, len, "3DSTATE_DEPTH_BUFFER");
958
959 instr_out(data, hw_offset, 0,
960 "3DSTATE_DEPTH_BUFFER\n");
961 instr_out(data, hw_offset, 1, "%s, %s, pitch = %d bytes, %stiled\n",
962 get_965_surfacetype(data[1] >> 29),
963 get_965_depthformat((data[1] >> 18) & 0x7),
964 (data[1] & 0x0001ffff) + 1,
965 data[1] & (1 << 27) ? "" : "not ");
966 instr_out(data, hw_offset, 2, "depth offset\n");
967 instr_out(data, hw_offset, 3, "%dx%d\n",
968 ((data[3] & 0x0007ffc0) >> 6) + 1,
969 ((data[3] & 0xfff80000) >> 19) + 1);
970 instr_out(data, hw_offset, 4, "volume depth\n");
971
972 return len;
973 }
974
975 for (opcode = 0; opcode < sizeof(opcodes_3d) / sizeof(opcodes_3d[0]);
976 opcode++) {
977 if ((data[0] & 0xffff0000) >> 16 == opcodes_3d[opcode].opcode) {
978 unsigned int i;
979 len = 1;
980
981 instr_out(data, hw_offset, 0, "%s\n", opcodes_3d[opcode].name);
982 if (opcodes_3d[opcode].max_len > 1) {
983 len = (data[0] & 0xff) + 2;
984 if (len < opcodes_3d[opcode].min_len ||
985 len > opcodes_3d[opcode].max_len)
986 {
987 DRM_ERROR("Bad count in %s\n", opcodes_3d[opcode].name);
988 }
989 }
990
991 for (i = 1; i < len; i++) {
992 if (i >= count)
993 BUFFER_FAIL(count, len, opcodes_3d[opcode].name);
994 instr_out(data, hw_offset, i, "dword %d\n", i);
995 }
996 return len;
997 }
998 }
999
1000 instr_out(data, hw_offset, 0, "3D UNKNOWN\n");
1001 (*failures)++;
1002 return 1;
1003 }
1004
1005
1006 static int
1007 decode_3d_i830(uint32_t *data, int count, uint32_t hw_offset, int *failures)
1008 {
1009 unsigned int opcode;
1010
1011 struct {
1012 uint32_t opcode;
1013 int min_len;
1014 int max_len;
1015 char *name;
1016 } opcodes_3d[] = {
1017 { 0x02, 1, 1, "3DSTATE_MODES_3" },
1018 { 0x03, 1, 1, "3DSTATE_ENABLES_1"},
1019 { 0x04, 1, 1, "3DSTATE_ENABLES_2"},
1020 { 0x05, 1, 1, "3DSTATE_VFT0"},
1021 { 0x06, 1, 1, "3DSTATE_AA"},
1022 { 0x07, 1, 1, "3DSTATE_RASTERIZATION_RULES" },
1023 { 0x08, 1, 1, "3DSTATE_MODES_1" },
1024 { 0x09, 1, 1, "3DSTATE_STENCIL_TEST" },
1025 { 0x0a, 1, 1, "3DSTATE_VFT1"},
1026 { 0x0b, 1, 1, "3DSTATE_INDPT_ALPHA_BLEND" },
1027 { 0x0c, 1, 1, "3DSTATE_MODES_5" },
1028 { 0x0d, 1, 1, "3DSTATE_MAP_BLEND_OP" },
1029 { 0x0e, 1, 1, "3DSTATE_MAP_BLEND_ARG" },
1030 { 0x0f, 1, 1, "3DSTATE_MODES_2" },
1031 { 0x15, 1, 1, "3DSTATE_FOG_COLOR" },
1032 { 0x16, 1, 1, "3DSTATE_MODES_4" },
1033 };
1034
1035 switch ((data[0] & 0x1f000000) >> 24) {
1036 case 0x1f:
1037 return decode_3d_primitive(data, count, hw_offset, failures);
1038 case 0x1d:
1039 return decode_3d_1d(data, count, hw_offset, failures, 1);
1040 case 0x1c:
1041 return decode_3d_1c(data, count, hw_offset, failures);
1042 }
1043
1044 for (opcode = 0; opcode < sizeof(opcodes_3d) / sizeof(opcodes_3d[0]);
1045 opcode++) {
1046 if ((data[0] & 0x1f000000) >> 24 == opcodes_3d[opcode].opcode) {
1047 unsigned int len = 1, i;
1048
1049 instr_out(data, hw_offset, 0, "%s\n", opcodes_3d[opcode].name);
1050 if (opcodes_3d[opcode].max_len > 1) {
1051 len = (data[0] & 0xff) + 2;
1052 if (len < opcodes_3d[opcode].min_len ||
1053 len > opcodes_3d[opcode].max_len)
1054 {
1055 DRM_ERROR("Bad count in %s\n", opcodes_3d[opcode].name);
1056 }
1057 }
1058
1059 for (i = 1; i < len; i++) {
1060 if (i >= count)
1061 BUFFER_FAIL(count, len, opcodes_3d[opcode].name);
1062 instr_out(data, hw_offset, i, "dword %d\n", i);
1063 }
1064 return len;
1065 }
1066 }
1067
1068 instr_out(data, hw_offset, 0, "3D UNKNOWN\n");
1069 (*failures)++;
1070 return 1;
1071 }
1072
1073 void i915_gem_command_decode(uint32_t *data, int count, uint32_t hw_offset, struct drm_device *dev)
1074 {
1075 int index = 0;
1076 int failures = 0;
1077
1078 while (index < count) {
1079 switch ((data[index] & 0xe0000000) >> 29) {
1080 case 0x0:
1081 index += decode_mi(data + index, count - index,
1082 hw_offset + index * 4, &failures);
1083 break;
1084 case 0x2:
1085 index += decode_2d(data + index, count - index,
1086 hw_offset + index * 4, &failures);
1087 break;
1088 case 0x3:
1089 if (IS_I965G(dev)) {
1090 index += decode_3d_965(data + index, count - index,
1091 hw_offset + index * 4, &failures);
1092 } else if (IS_I9XX(dev)) {
1093 index += decode_3d(data + index, count - index,
1094 hw_offset + index * 4, &failures);
1095 } else {
1096 index += decode_3d_i830(data + index, count - index,
1097 hw_offset + index * 4, &failures);
1098 }
1099 break;
1100 default:
1101 instr_out(data, hw_offset, index, "UNKNOWN\n");
1102 failures++;
1103 index++;
1104 break;
1105 }
1106 }
1107 }
1108