xref: /onnv-gate/usr/src/uts/intel/io/drm/i915_gem_debug.c (revision 11260:eb8c6f2097e8)
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 float
int_as_float(uint32_t intval)53 int_as_float(uint32_t intval)
54 {
55     union intfloat {
56 	uint32_t i;
57 	float f;
58     } uval;
59 
60     uval.i = intval;
61     return uval.f;
62 }
63 
64 static void
instr_out(uint32_t * data,uint32_t hw_offset,unsigned int index,const char * fmt,...)65 instr_out(uint32_t *data, uint32_t hw_offset, unsigned int index,
66 	  const char *fmt, ...)
67 {
68 
69     DRM_ERROR("0x%08x: 0x%08x:%s ", hw_offset + index * 4, data[index],
70 	    index == 0 ? "" : "  ");
71         va_list ap;
72 
73         va_start(ap, fmt);
74         vcmn_err(CE_WARN, fmt, ap);
75         va_end(ap);
76 
77 }
78 
79 static int
decode_mi(uint32_t * data,int count,uint32_t hw_offset,int * failures)80 decode_mi(uint32_t *data, int count, uint32_t hw_offset, int *failures)
81 {
82     unsigned int opcode;
83 
84     struct {
85 	uint32_t opcode;
86 	int min_len;
87 	int max_len;
88 	char *name;
89     } opcodes_mi[] = {
90 	{ 0x08, 1, 1, "MI_ARB_ON_OFF" },
91 	{ 0x0a, 1, 1, "MI_BATCH_BUFFER_END" },
92 	{ 0x31, 2, 2, "MI_BATCH_BUFFER_START" },
93 	{ 0x14, 3, 3, "MI_DISPLAY_BUFFER_INFO" },
94 	{ 0x04, 1, 1, "MI_FLUSH" },
95 	{ 0x22, 3, 3, "MI_LOAD_REGISTER_IMM" },
96 	{ 0x13, 2, 2, "MI_LOAD_SCAN_LINES_EXCL" },
97 	{ 0x12, 2, 2, "MI_LOAD_SCAN_LINES_INCL" },
98 	{ 0x00, 1, 1, "MI_NOOP" },
99 	{ 0x11, 2, 2, "MI_OVERLAY_FLIP" },
100 	{ 0x07, 1, 1, "MI_REPORT_HEAD" },
101 	{ 0x18, 2, 2, "MI_SET_CONTEXT" },
102 	{ 0x20, 3, 4, "MI_STORE_DATA_IMM" },
103 	{ 0x21, 3, 4, "MI_STORE_DATA_INDEX" },
104 	{ 0x24, 3, 3, "MI_STORE_REGISTER_MEM" },
105 	{ 0x02, 1, 1, "MI_USER_INTERRUPT" },
106 	{ 0x03, 1, 1, "MI_WAIT_FOR_EVENT" },
107     };
108 
109 
110     for (opcode = 0; opcode < sizeof(opcodes_mi) / sizeof(opcodes_mi[0]);
111 	 opcode++) {
112 	if ((data[0] & 0x1f800000) >> 23 == opcodes_mi[opcode].opcode) {
113 	    unsigned int len = 1, i;
114 
115 	    instr_out(data, hw_offset, 0, "%s\n", opcodes_mi[opcode].name);
116 	    if (opcodes_mi[opcode].max_len > 1) {
117 		len = (data[0] & 0x000000ff) + 2;
118 		if (len < opcodes_mi[opcode].min_len ||
119 		    len > opcodes_mi[opcode].max_len)
120 		{
121 		    DRM_ERROR("Bad length in %s\n",
122 			    opcodes_mi[opcode].name);
123 		}
124 	    }
125 
126 	    for (i = 1; i < len; i++) {
127 		if (i >= count)
128 		    BUFFER_FAIL(count, len, opcodes_mi[opcode].name);
129 		instr_out(data, hw_offset, i, "dword %d\n", i);
130 	    }
131 
132 	    return len;
133 	}
134     }
135 
136     instr_out(data, hw_offset, 0, "MI UNKNOWN\n");
137     (*failures)++;
138     return 1;
139 }
140 
141 static int
decode_2d(uint32_t * data,int count,uint32_t hw_offset,int * failures)142 decode_2d(uint32_t *data, int count, uint32_t hw_offset, int *failures)
143 {
144     unsigned int opcode, len;
145     char *format = NULL;
146 
147     struct {
148 	uint32_t opcode;
149 	int min_len;
150 	int max_len;
151 	char *name;
152     } opcodes_2d[] = {
153 	{ 0x40, 5, 5, "COLOR_BLT" },
154 	{ 0x43, 6, 6, "SRC_COPY_BLT" },
155 	{ 0x01, 8, 8, "XY_SETUP_BLT" },
156 	{ 0x11, 9, 9, "XY_SETUP_MONO_PATTERN_SL_BLT" },
157 	{ 0x03, 3, 3, "XY_SETUP_CLIP_BLT" },
158 	{ 0x24, 2, 2, "XY_PIXEL_BLT" },
159 	{ 0x25, 3, 3, "XY_SCANLINES_BLT" },
160 	{ 0x26, 4, 4, "Y_TEXT_BLT" },
161 	{ 0x31, 5, 134, "XY_TEXT_IMMEDIATE_BLT" },
162 	{ 0x50, 6, 6, "XY_COLOR_BLT" },
163 	{ 0x51, 6, 6, "XY_PAT_BLT" },
164 	{ 0x76, 8, 8, "XY_PAT_CHROMA_BLT" },
165 	{ 0x72, 7, 135, "XY_PAT_BLT_IMMEDIATE" },
166 	{ 0x77, 9, 137, "XY_PAT_CHROMA_BLT_IMMEDIATE" },
167 	{ 0x52, 9, 9, "XY_MONO_PAT_BLT" },
168 	{ 0x59, 7, 7, "XY_MONO_PAT_FIXED_BLT" },
169 	{ 0x53, 8, 8, "XY_SRC_COPY_BLT" },
170 	{ 0x54, 8, 8, "XY_MONO_SRC_COPY_BLT" },
171 	{ 0x71, 9, 137, "XY_MONO_SRC_COPY_IMMEDIATE_BLT" },
172 	{ 0x55, 9, 9, "XY_FULL_BLT" },
173 	{ 0x55, 9, 137, "XY_FULL_IMMEDIATE_PATTERN_BLT" },
174 	{ 0x56, 9, 9, "XY_FULL_MONO_SRC_BLT" },
175 	{ 0x75, 10, 138, "XY_FULL_MONO_SRC_IMMEDIATE_PATTERN_BLT" },
176 	{ 0x57, 12, 12, "XY_FULL_MONO_PATTERN_BLT" },
177 	{ 0x58, 12, 12, "XY_FULL_MONO_PATTERN_MONO_SRC_BLT" },
178     };
179 
180     switch ((data[0] & 0x1fc00000) >> 22) {
181     case 0x50:
182 	instr_out(data, hw_offset, 0,
183 		  "XY_COLOR_BLT (rgb %sabled, alpha %sabled, dst tile %d)\n",
184 		  (data[0] & (1 << 20)) ? "en" : "dis",
185 		  (data[0] & (1 << 21)) ? "en" : "dis",
186 		  (data[0] >> 11) & 1);
187 
188 	len = (data[0] & 0x000000ff) + 2;
189 	if (len != 6)
190 	    DRM_ERROR("Bad count in XY_COLOR_BLT\n");
191 	if (count < 6)
192 	    BUFFER_FAIL(count, len, "XY_COLOR_BLT");
193 
194 	switch ((data[1] >> 24) & 0x3) {
195 	case 0:
196 	    format="8";
197 	    break;
198 	case 1:
199 	    format="565";
200 	    break;
201 	case 2:
202 	    format="1555";
203 	    break;
204 	case 3:
205 	    format="8888";
206 	    break;
207 	}
208 
209 	instr_out(data, hw_offset, 1, "format %s, pitch %d, "
210 		  "clipping %sabled\n", format,
211 		  (short)(data[1] & 0xffff),
212 		  data[1] & (1 << 30) ? "en" : "dis");
213 	instr_out(data, hw_offset, 2, "(%d,%d)\n",
214 		  data[2] & 0xffff, data[2] >> 16);
215 	instr_out(data, hw_offset, 3, "(%d,%d)\n",
216 		  data[3] & 0xffff, data[3] >> 16);
217 	instr_out(data, hw_offset, 4, "offset 0x%08x\n", data[4]);
218 	instr_out(data, hw_offset, 5, "color\n");
219 	return len;
220     case 0x53:
221 	instr_out(data, hw_offset, 0,
222 		  "XY_SRC_COPY_BLT (rgb %sabled, alpha %sabled, "
223 		  "src tile %d, dst tile %d)\n",
224 		  (data[0] & (1 << 20)) ? "en" : "dis",
225 		  (data[0] & (1 << 21)) ? "en" : "dis",
226 		  (data[0] >> 15) & 1,
227 		  (data[0] >> 11) & 1);
228 
229 	len = (data[0] & 0x000000ff) + 2;
230 	if (len != 8)
231 	    DRM_ERROR("Bad count in XY_SRC_COPY_BLT\n");
232 	if (count < 8)
233 	    BUFFER_FAIL(count, len, "XY_SRC_COPY_BLT");
234 
235 	switch ((data[1] >> 24) & 0x3) {
236 	case 0:
237 	    format="8";
238 	    break;
239 	case 1:
240 	    format="565";
241 	    break;
242 	case 2:
243 	    format="1555";
244 	    break;
245 	case 3:
246 	    format="8888";
247 	    break;
248 	}
249 
250 	instr_out(data, hw_offset, 1, "format %s, dst pitch %d, "
251 		  "clipping %sabled\n", format,
252 		  (short)(data[1] & 0xffff),
253 		  data[1] & (1 << 30) ? "en" : "dis");
254 	instr_out(data, hw_offset, 2, "dst (%d,%d)\n",
255 		  data[2] & 0xffff, data[2] >> 16);
256 	instr_out(data, hw_offset, 3, "dst (%d,%d)\n",
257 		  data[3] & 0xffff, data[3] >> 16);
258 	instr_out(data, hw_offset, 4, "dst offset 0x%08x\n", data[4]);
259 	instr_out(data, hw_offset, 5, "src (%d,%d)\n",
260 		  data[5] & 0xffff, data[5] >> 16);
261 	instr_out(data, hw_offset, 6, "src pitch %d\n",
262 		  (short)(data[6] & 0xffff));
263 	instr_out(data, hw_offset, 7, "src offset 0x%08x\n", data[7]);
264 	return len;
265     }
266 
267     for (opcode = 0; opcode < sizeof(opcodes_2d) / sizeof(opcodes_2d[0]);
268 	 opcode++) {
269 	if ((data[0] & 0x1fc00000) >> 22 == opcodes_2d[opcode].opcode) {
270 	    unsigned int i;
271 
272 	    len = 1;
273 	    instr_out(data, hw_offset, 0, "%s\n", opcodes_2d[opcode].name);
274 	    if (opcodes_2d[opcode].max_len > 1) {
275 		len = (data[0] & 0x000000ff) + 2;
276 		if (len < opcodes_2d[opcode].min_len ||
277 		    len > opcodes_2d[opcode].max_len)
278 		{
279 		    DRM_ERROR("Bad count in %s\n", opcodes_2d[opcode].name);
280 		}
281 	    }
282 
283 	    for (i = 1; i < len; i++) {
284 		if (i >= count)
285 		    BUFFER_FAIL(count, len, opcodes_2d[opcode].name);
286 		instr_out(data, hw_offset, i, "dword %d\n", i);
287 	    }
288 
289 	    return len;
290 	}
291     }
292 
293     instr_out(data, hw_offset, 0, "2D UNKNOWN\n");
294     (*failures)++;
295     return 1;
296 }
297 
298 /*ARGSUSED*/
299 static int
decode_3d_1c(uint32_t * data,int count,uint32_t hw_offset,int * failures)300 decode_3d_1c(uint32_t *data, int count, uint32_t hw_offset, int *failures)
301 {
302     switch ((data[0] & 0x00f80000) >> 19) {
303     case 0x11:
304 	instr_out(data, hw_offset, 0, "3DSTATE_DEPTH_SUBRECTANGLE_DISALBE\n");
305 	return 1;
306     case 0x10:
307 	instr_out(data, hw_offset, 0, "3DSTATE_SCISSOR_ENABLE\n");
308 	return 1;
309     case 0x01:
310 	instr_out(data, hw_offset, 0, "3DSTATE_MAP_COORD_SET_I830\n");
311 	return 1;
312     case 0x0a:
313 	instr_out(data, hw_offset, 0, "3DSTATE_MAP_CUBE_I830\n");
314 	return 1;
315     case 0x05:
316 	instr_out(data, hw_offset, 0, "3DSTATE_MAP_TEX_STREAM_I830\n");
317 	return 1;
318     }
319 
320     instr_out(data, hw_offset, 0, "3D UNKNOWN\n");
321     (*failures)++;
322     return 1;
323 }
324 
325 static int
decode_3d_1d(uint32_t * data,int count,uint32_t hw_offset,int * failures,int i830)326 decode_3d_1d(uint32_t *data, int count, uint32_t hw_offset, int *failures, int i830)
327 {
328     unsigned int len, i, c, opcode, word, map, sampler, instr;
329 
330     struct {
331 	uint32_t opcode;
332 	int i830_only;
333 	int min_len;
334 	int max_len;
335 	char *name;
336     } opcodes_3d_1d[] = {
337 	{ 0x8e, 0, 3, 3, "3DSTATE_BUFFER_INFO" },
338 	{ 0x86, 0, 4, 4, "3DSTATE_CHROMA_KEY" },
339 	{ 0x9c, 0, 1, 1, "3DSTATE_CLEAR_PARAMETERS" },
340 	{ 0x88, 0, 2, 2, "3DSTATE_CONSTANT_BLEND_COLOR" },
341 	{ 0x99, 0, 2, 2, "3DSTATE_DEFAULT_DIFFUSE" },
342 	{ 0x9a, 0, 2, 2, "3DSTATE_DEFAULT_SPECULAR" },
343 	{ 0x98, 0, 2, 2, "3DSTATE_DEFAULT_Z" },
344 	{ 0x97, 0, 2, 2, "3DSTATE_DEPTH_OFFSET_SCALE" },
345 	{ 0x85, 0, 2, 2, "3DSTATE_DEST_BUFFER_VARIABLES" },
346 	{ 0x80, 0, 5, 5, "3DSTATE_DRAWING_RECTANGLE" },
347 	{ 0x8e, 0, 3, 3, "3DSTATE_BUFFER_INFO" },
348 	{ 0x9d, 0, 65, 65, "3DSTATE_FILTER_COEFFICIENTS_4X4" },
349 	{ 0x9e, 0, 4, 4, "3DSTATE_MONO_FILTER" },
350 	{ 0x89, 0, 4, 4, "3DSTATE_FOG_MODE" },
351 	{ 0x8f, 0, 2, 16, "3DSTATE_MAP_PALLETE_LOAD_32" },
352 	{ 0x81, 0, 3, 3, "3DSTATE_SCISSOR_RECTANGLE" },
353 	{ 0x83, 0, 2, 2, "3DSTATE_SPAN_STIPPLE" },
354 	{ 0x8c, 1, 2, 2, "3DSTATE_MAP_COORD_TRANSFORM_I830" },
355 	{ 0x8b, 1, 2, 2, "3DSTATE_MAP_VERTEX_TRANSFORM_I830" },
356 	{ 0x8d, 1, 3, 3, "3DSTATE_W_STATE_I830" },
357 	{ 0x01, 1, 2, 2, "3DSTATE_COLOR_FACTOR_I830" },
358 	{ 0x02, 1, 2, 2, "3DSTATE_MAP_COORD_SETBIND_I830" },
359     };
360 
361     switch ((data[0] & 0x00ff0000) >> 16) {
362     case 0x07:
363 	/* This instruction is unusual.  A 0 length means just 1 DWORD instead of
364 	 * 2.  The 0 length is specified in one place to be unsupported, but
365 	 * stated to be required in another, and 0 length LOAD_INDIRECTs appear
366 	 * to cause no harm at least.
367 	 */
368 	instr_out(data, hw_offset, 0, "3DSTATE_LOAD_INDIRECT\n");
369 	len = (data[0] & 0x000000ff) + 1;
370 	i = 1;
371 	if (data[0] & (0x01 << 8)) {
372 	    if (i + 2 >= count)
373 		BUFFER_FAIL(count, len, "3DSTATE_LOAD_INDIRECT");
374 	    instr_out(data, hw_offset, i++, "SIS.0\n");
375 	    instr_out(data, hw_offset, i++, "SIS.1\n");
376 	}
377 	if (data[0] & (0x02 << 8)) {
378 	    if (i + 1 >= count)
379 		BUFFER_FAIL(count, len, "3DSTATE_LOAD_INDIRECT");
380 	    instr_out(data, hw_offset, i++, "DIS.0\n");
381 	}
382 	if (data[0] & (0x04 << 8)) {
383 	    if (i + 2 >= count)
384 		BUFFER_FAIL(count, len, "3DSTATE_LOAD_INDIRECT");
385 	    instr_out(data, hw_offset, i++, "SSB.0\n");
386 	    instr_out(data, hw_offset, i++, "SSB.1\n");
387 	}
388 	if (data[0] & (0x08 << 8)) {
389 	    if (i + 2 >= count)
390 		BUFFER_FAIL(count, len, "3DSTATE_LOAD_INDIRECT");
391 	    instr_out(data, hw_offset, i++, "MSB.0\n");
392 	    instr_out(data, hw_offset, i++, "MSB.1\n");
393 	}
394 	if (data[0] & (0x10 << 8)) {
395 	    if (i + 2 >= count)
396 		BUFFER_FAIL(count, len, "3DSTATE_LOAD_INDIRECT");
397 	    instr_out(data, hw_offset, i++, "PSP.0\n");
398 	    instr_out(data, hw_offset, i++, "PSP.1\n");
399 	}
400 	if (data[0] & (0x20 << 8)) {
401 	    if (i + 2 >= count)
402 		BUFFER_FAIL(count, len, "3DSTATE_LOAD_INDIRECT");
403 	    instr_out(data, hw_offset, i++, "PSC.0\n");
404 	    instr_out(data, hw_offset, i++, "PSC.1\n");
405 	}
406 	if (len != i) {
407 	    DRM_ERROR("Bad count in 3DSTATE_LOAD_INDIRECT\n");
408 	    (*failures)++;
409 	    return len;
410 	}
411 	return len;
412     case 0x04:
413 	instr_out(data, hw_offset, 0, "3DSTATE_LOAD_STATE_IMMEDIATE_1\n");
414 	len = (data[0] & 0x0000000f) + 2;
415 	i = 1;
416 	for (word = 0; word <= 7; word++) {
417 	    if (data[0] & (1 << (4 + word))) {
418 		if (i >= count)
419 		    BUFFER_FAIL(count, len, "3DSTATE_LOAD_STATE_IMMEDIATE_1");
420 
421 		/* save vertex state for decode */
422 		if (word == 2) {
423 		    saved_s2_set = 1;
424 		    saved_s2 = data[i];
425 		}
426 		if (word == 4) {
427 		    saved_s4_set = 1;
428 		    saved_s4 = data[i];
429 		}
430 
431 		instr_out(data, hw_offset, i++, "S%d\n", word);
432 	    }
433 	}
434 	if (len != i) {
435 	    DRM_ERROR("Bad count in 3DSTATE_LOAD_INDIRECT\n");
436 	    (*failures)++;
437 	}
438 	return len;
439     case 0x00:
440 	instr_out(data, hw_offset, 0, "3DSTATE_MAP_STATE\n");
441 	len = (data[0] & 0x0000003f) + 2;
442 
443 	i = 1;
444 	for (map = 0; map <= 15; map++) {
445 	    if (data[1] & (1 << map)) {
446 		if (i + 3 >= count)
447 		    BUFFER_FAIL(count, len, "3DSTATE_MAP_STATE");
448 		instr_out(data, hw_offset, i++, "map %d MS2\n", map);
449 		instr_out(data, hw_offset, i++, "map %d MS3\n", map);
450 		instr_out(data, hw_offset, i++, "map %d MS4\n", map);
451 	    }
452 	}
453 	if (len != i) {
454 	    DRM_ERROR("Bad count in 3DSTATE_MAP_STATE\n");
455 	    (*failures)++;
456 	    return len;
457 	}
458 	return len;
459     case 0x06:
460 	instr_out(data, hw_offset, 0, "3DSTATE_PIXEL_SHADER_CONSTANTS\n");
461 	len = (data[0] & 0x000000ff) + 2;
462 
463 	i = 1;
464 	for (c = 0; c <= 31; c++) {
465 	    if (data[1] & (1 << c)) {
466 		if (i + 4 >= count)
467 		    BUFFER_FAIL(count, len, "3DSTATE_PIXEL_SHADER_CONSTANTS");
468 		instr_out(data, hw_offset, i, "C%d.X = %f\n",
469 			  c, int_as_float(data[i]));
470 		i++;
471 		instr_out(data, hw_offset, i, "C%d.Y = %f\n",
472 			  c, int_as_float(data[i]));
473 		i++;
474 		instr_out(data, hw_offset, i, "C%d.Z = %f\n",
475 			  c, int_as_float(data[i]));
476 		i++;
477 		instr_out(data, hw_offset, i, "C%d.W = %f\n",
478 			  c, int_as_float(data[i]));
479 		i++;
480 	    }
481 	}
482 	if (len != i) {
483 	    DRM_ERROR("Bad count in 3DSTATE_MAP_STATE\n");
484 	    (*failures)++;
485 	}
486 	return len;
487     case 0x05:
488 	instr_out(data, hw_offset, 0, "3DSTATE_PIXEL_SHADER_PROGRAM\n");
489 	len = (data[0] & 0x000000ff) + 2;
490 	if ((len - 1) % 3 != 0 || len > 370) {
491 	    DRM_ERROR("Bad count in 3DSTATE_PIXEL_SHADER_PROGRAM\n");
492 	    (*failures)++;
493 	}
494 	i = 1;
495 	for (instr = 0; instr < (len - 1) / 3; instr++) {
496 	    if (i + 3 >= count)
497 		BUFFER_FAIL(count, len, "3DSTATE_MAP_STATE");
498 	    instr_out(data, hw_offset, i++, "PS%03x\n", instr);
499 	    instr_out(data, hw_offset, i++, "PS%03x\n", instr);
500 	    instr_out(data, hw_offset, i++, "PS%03x\n", instr);
501 	}
502 	return len;
503     case 0x01:
504 	if (i830)
505 	    break;
506 	instr_out(data, hw_offset, 0, "3DSTATE_SAMPLER_STATE\n");
507 	len = (data[0] & 0x0000003f) + 2;
508 	i = 1;
509 	for (sampler = 0; sampler <= 15; sampler++) {
510 	    if (data[1] & (1 << sampler)) {
511 		if (i + 3 >= count)
512 		    BUFFER_FAIL(count, len, "3DSTATE_SAMPLER_STATE");
513 		instr_out(data, hw_offset, i++, "sampler %d SS2\n",
514 			  sampler);
515 		instr_out(data, hw_offset, i++, "sampler %d SS3\n",
516 			  sampler);
517 		instr_out(data, hw_offset, i++, "sampler %d SS4\n",
518 			  sampler);
519 	    }
520 	}
521 	if (len != i) {
522 	    DRM_ERROR("Bad count in 3DSTATE_SAMPLER_STATE\n");
523 	    (*failures)++;
524 	}
525 	return len;
526     }
527 
528     for (opcode = 0; opcode < sizeof(opcodes_3d_1d) / sizeof(opcodes_3d_1d[0]);
529 	 opcode++)
530     {
531 	if (opcodes_3d_1d[opcode].i830_only && !i830)
532 	    continue;
533 
534 	if (((data[0] & 0x00ff0000) >> 16) == opcodes_3d_1d[opcode].opcode) {
535 	    len = 1;
536 
537 	    instr_out(data, hw_offset, 0, "%s\n", opcodes_3d_1d[opcode].name);
538 	    if (opcodes_3d_1d[opcode].max_len > 1) {
539 		len = (data[0] & 0x0000ffff) + 2;
540 		if (len < opcodes_3d_1d[opcode].min_len ||
541 		    len > opcodes_3d_1d[opcode].max_len)
542 		{
543 		    DRM_ERROR("Bad count in %s\n",
544 			    opcodes_3d_1d[opcode].name);
545 		    (*failures)++;
546 		}
547 	    }
548 
549 	    for (i = 1; i < len; i++) {
550 		if (i >= count)
551 		    BUFFER_FAIL(count, len,  opcodes_3d_1d[opcode].name);
552 		instr_out(data, hw_offset, i, "dword %d\n", i);
553 	    }
554 
555 	    return len;
556 	}
557     }
558 
559     instr_out(data, hw_offset, 0, "3D UNKNOWN\n");
560     (*failures)++;
561     return 1;
562 }
563 
564 static int
decode_3d_primitive(uint32_t * data,int count,uint32_t hw_offset,int * failures)565 decode_3d_primitive(uint32_t *data, int count, uint32_t hw_offset,
566 		    int *failures)
567 {
568     char immediate = (data[0] & (1 << 23)) == 0;
569     unsigned int len, i;
570     char *primtype;
571 
572     switch ((data[0] >> 18) & 0xf) {
573     case 0x0: primtype = "TRILIST"; break;
574     case 0x1: primtype = "TRISTRIP"; break;
575     case 0x2: primtype = "TRISTRIP_REVERSE"; break;
576     case 0x3: primtype = "TRIFAN"; break;
577     case 0x4: primtype = "POLYGON"; break;
578     case 0x5: primtype = "LINELIST"; break;
579     case 0x6: primtype = "LINESTRIP"; break;
580     case 0x7: primtype = "RECTLIST"; break;
581     case 0x8: primtype = "POINTLIST"; break;
582     case 0x9: primtype = "DIB"; break;
583     case 0xa: primtype = "CLEAR_RECT"; break;
584     default: primtype = "unknown"; break;
585     }
586 
587     /* XXX: 3DPRIM_DIB not supported */
588     if (immediate) {
589 	len = (data[0] & 0x0003ffff) + 2;
590 	instr_out(data, hw_offset, 0, "3DPRIMITIVE inline %s\n", primtype);
591 	if (count < len)
592 	    BUFFER_FAIL(count, len,  "3DPRIMITIVE inline");
593 	if (!saved_s2_set || !saved_s4_set) {
594 	    DRM_ERROR("unknown vertex format\n");
595 	    for (i = 1; i < len; i++) {
596 		instr_out(data, hw_offset, i,
597 			  "           vertex data (%f float)\n",
598 			  int_as_float(data[i]));
599 	    }
600 	} else {
601 	    unsigned int vertex = 0;
602 	    for (i = 1; i < len;) {
603 		unsigned int tc;
604 
605 #define VERTEX_OUT(fmt, ...) {					\
606     if (i < len)							\
607 	instr_out(data, hw_offset, i, " V%d."fmt"\n", vertex, __VA_ARGS__); \
608     else								\
609 	DRM_ERROR(" missing data in V%d\n", vertex);			\
610     i++;								\
611 }
612 
613 		VERTEX_OUT("X = %f", int_as_float(data[i]));
614 		VERTEX_OUT("Y = %f", int_as_float(data[i]));
615 	        switch (saved_s4 >> 6 & 0x7) {
616 		case 0x1:
617 		    VERTEX_OUT("Z = %f", int_as_float(data[i]));
618 		    break;
619 		case 0x2:
620 		    VERTEX_OUT("Z = %f", int_as_float(data[i]));
621 		    VERTEX_OUT("W = %f", int_as_float(data[i]));
622 		    break;
623 		case 0x3:
624 		    break;
625 		case 0x4:
626 		    VERTEX_OUT("W = %f", int_as_float(data[i]));
627 		    break;
628 		default:
629 		    DRM_ERROR("bad S4 position mask\n");
630 		}
631 
632 		if (saved_s4 & (1 << 10)) {
633 		    VERTEX_OUT("color = (A=0x%02x, R=0x%02x, G=0x%02x, "
634 			       "B=0x%02x)",
635 			       data[i] >> 24,
636 			       (data[i] >> 16) & 0xff,
637 			       (data[i] >> 8) & 0xff,
638 			       data[i] & 0xff);
639 		}
640 		if (saved_s4 & (1 << 11)) {
641 		    VERTEX_OUT("spec = (A=0x%02x, R=0x%02x, G=0x%02x, "
642 			       "B=0x%02x)",
643 			       data[i] >> 24,
644 			       (data[i] >> 16) & 0xff,
645 			       (data[i] >> 8) & 0xff,
646 			       data[i] & 0xff);
647 		}
648 		if (saved_s4 & (1 << 12))
649 		    VERTEX_OUT("width = 0x%08x)", data[i]);
650 
651 		for (tc = 0; tc <= 7; tc++) {
652 		    switch ((saved_s2 >> (tc * 4)) & 0xf) {
653 		    case 0x0:
654 			VERTEX_OUT("T%d.X = %f", tc, int_as_float(data[i]));
655 			VERTEX_OUT("T%d.Y = %f", tc, int_as_float(data[i]));
656 			break;
657 		    case 0x1:
658 			VERTEX_OUT("T%d.X = %f", tc, int_as_float(data[i]));
659 			VERTEX_OUT("T%d.Y = %f", tc, int_as_float(data[i]));
660 			VERTEX_OUT("T%d.Z = %f", tc, int_as_float(data[i]));
661 			break;
662 		    case 0x2:
663 			VERTEX_OUT("T%d.X = %f", tc, int_as_float(data[i]));
664 			VERTEX_OUT("T%d.Y = %f", tc, int_as_float(data[i]));
665 			VERTEX_OUT("T%d.Z = %f", tc, int_as_float(data[i]));
666 			VERTEX_OUT("T%d.W = %f", tc, int_as_float(data[i]));
667 			break;
668 		    case 0x3:
669 			VERTEX_OUT("T%d.X = %f", tc, int_as_float(data[i]));
670 			break;
671 		    case 0x4:
672 			VERTEX_OUT("T%d.XY = 0x%08x half-float", tc, data[i]);
673 			break;
674 		    case 0x5:
675 			VERTEX_OUT("T%d.XY = 0x%08x half-float", tc, data[i]);
676 			VERTEX_OUT("T%d.ZW = 0x%08x half-float", tc, data[i]);
677 			break;
678 		    case 0xf:
679 			break;
680 		    default:
681 			DRM_ERROR("bad S2.T%d format\n", tc);
682 		    }
683 		}
684 		vertex++;
685 	    }
686 	}
687     } else {
688 	/* indirect vertices */
689 	len = data[0] & 0x0000ffff; /* index count */
690 	if (data[0] & (1 << 17)) {
691 	    /* random vertex access */
692 	    if (count < (len + 1) / 2 + 1)
693 		BUFFER_FAIL(count, (len + 1) / 2 + 1, "3DPRIMITIVE random indirect");
694 	    instr_out(data, hw_offset, 0,
695 		      "3DPRIMITIVE random indirect %s (%d)\n", primtype, len);
696 	    if (len == 0) {
697 		/* vertex indices continue until 0xffff is found */
698 		for (i = 1; i < count; i++) {
699 		    if ((data[i] & 0xffff) == 0xffff) {
700 			instr_out(data, hw_offset, i,
701 				  "            indices: (terminator)\n");
702 			return i;
703 		    } else if ((data[i] >> 16) == 0xffff) {
704 			instr_out(data, hw_offset, i,
705 				  "            indices: 0x%04x, "
706 				  "(terminator)\n",
707 				  data[i] & 0xffff);
708 			return i;
709 		    } else {
710 			instr_out(data, hw_offset, i,
711 				  "            indices: 0x%04x, 0x%04x\n",
712 				  data[i] & 0xffff, data[i] >> 16);
713 		    }
714 		}
715 		DRM_ERROR("3DPRIMITIVE: no terminator found in index buffer\n");
716 		(*failures)++;
717 		return count;
718 	    } else {
719 		/* fixed size vertex index buffer */
720 		for (i = 0; i < len; i += 2) {
721 		    if (i * 2 == len - 1) {
722 			instr_out(data, hw_offset, i,
723 				  "            indices: 0x%04x\n",
724 				  data[i] & 0xffff);
725 		    } else {
726 			instr_out(data, hw_offset, i,
727 				  "            indices: 0x%04x, 0x%04x\n",
728 				  data[i] & 0xffff, data[i] >> 16);
729 		    }
730 		}
731 	    }
732 	    return (len + 1) / 2 + 1;
733 	} else {
734 	    /* sequential vertex access */
735 	    if (count < 2)
736 		BUFFER_FAIL(count, 2, "3DPRIMITIVE seq indirect");
737 	    instr_out(data, hw_offset, 0,
738 		      "3DPRIMITIVE sequential indirect %s, %d starting from "
739 		      "%d\n", primtype, len, data[1] & 0xffff);
740 	    instr_out(data, hw_offset, 1, "           start\n");
741 	    return 2;
742 	}
743     }
744 
745     return len;
746 }
747 
748 static int
decode_3d(uint32_t * data,int count,uint32_t hw_offset,int * failures)749 decode_3d(uint32_t *data, int count, uint32_t hw_offset, int *failures)
750 {
751     unsigned int opcode;
752 
753     struct {
754 	uint32_t opcode;
755 	int min_len;
756 	int max_len;
757 	char *name;
758     } opcodes_3d[] = {
759 	{ 0x06, 1, 1, "3DSTATE_ANTI_ALIASING" },
760 	{ 0x08, 1, 1, "3DSTATE_BACKFACE_STENCIL_OPS" },
761 	{ 0x09, 1, 1, "3DSTATE_BACKFACE_STENCIL_MASKS" },
762 	{ 0x16, 1, 1, "3DSTATE_COORD_SET_BINDINGS" },
763 	{ 0x15, 1, 1, "3DSTATE_FOG_COLOR" },
764 	{ 0x0b, 1, 1, "3DSTATE_INDEPENDENT_ALPHA_BLEND" },
765 	{ 0x0d, 1, 1, "3DSTATE_MODES_4" },
766 	{ 0x0c, 1, 1, "3DSTATE_MODES_5" },
767 	{ 0x07, 1, 1, "3DSTATE_RASTERIZATION_RULES" },
768     };
769 
770     switch ((data[0] & 0x1f000000) >> 24) {
771     case 0x1f:
772 	return decode_3d_primitive(data, count, hw_offset, failures);
773     case 0x1d:
774 	return decode_3d_1d(data, count, hw_offset, failures, 0);
775     case 0x1c:
776 	return decode_3d_1c(data, count, hw_offset, failures);
777     }
778 
779     for (opcode = 0; opcode < sizeof(opcodes_3d) / sizeof(opcodes_3d[0]);
780 	 opcode++) {
781 	if ((data[0] & 0x1f000000) >> 24 == opcodes_3d[opcode].opcode) {
782 	    unsigned int len = 1, i;
783 
784 	    instr_out(data, hw_offset, 0, "%s\n", opcodes_3d[opcode].name);
785 	    if (opcodes_3d[opcode].max_len > 1) {
786 		len = (data[0] & 0xff) + 2;
787 		if (len < opcodes_3d[opcode].min_len ||
788 		    len > opcodes_3d[opcode].max_len)
789 		{
790 		    DRM_ERROR("Bad count in %s\n", opcodes_3d[opcode].name);
791 		}
792 	    }
793 
794 	    for (i = 1; i < len; i++) {
795 		if (i >= count)
796 		    BUFFER_FAIL(count, len, opcodes_3d[opcode].name);
797 		instr_out(data, hw_offset, i, "dword %d\n", i);
798 	    }
799 	    return len;
800 	}
801     }
802 
803     instr_out(data, hw_offset, 0, "3D UNKNOWN\n");
804     (*failures)++;
805     return 1;
806 }
807 
808 static const char *
get_965_surfacetype(unsigned int surfacetype)809 get_965_surfacetype(unsigned int surfacetype)
810 {
811     switch (surfacetype) {
812     case 0: return "1D";
813     case 1: return "2D";
814     case 2: return "3D";
815     case 3: return "CUBE";
816     case 4: return "BUFFER";
817     case 7: return "NULL";
818     default: return "unknown";
819     }
820 }
821 
822 static const char *
get_965_depthformat(unsigned int depthformat)823 get_965_depthformat(unsigned int depthformat)
824 {
825     switch (depthformat) {
826     case 0: return "s8_z24float";
827     case 1: return "z32float";
828     case 2: return "z24s8";
829     case 5: return "z16";
830     default: return "unknown";
831     }
832 }
833 
834 static int
decode_3d_965(uint32_t * data,int count,uint32_t hw_offset,int * failures)835 decode_3d_965(uint32_t *data, int count, uint32_t hw_offset, int *failures)
836 {
837     unsigned int opcode, len;
838 
839     struct {
840 	uint32_t opcode;
841 	int min_len;
842 	int max_len;
843 	char *name;
844     } opcodes_3d[] = {
845 	{ 0x6000, 3, 3, "URB_FENCE" },
846 	{ 0x6001, 2, 2, "CS_URB_STATE" },
847 	{ 0x6002, 2, 2, "CONSTANT_BUFFER" },
848 	{ 0x6101, 6, 6, "STATE_BASE_ADDRESS" },
849 	{ 0x6102, 2, 2 , "STATE_SIP" },
850 	{ 0x6104, 1, 1, "3DSTATE_PIPELINE_SELECT" },
851 	{ 0x680b, 1, 1, "3DSTATE_VF_STATISTICS" },
852 	{ 0x6904, 1, 1, "3DSTATE_PIPELINE_SELECT" },
853 	{ 0x7800, 7, 7, "3DSTATE_PIPELINED_POINTERS" },
854 	{ 0x7801, 6, 6, "3DSTATE_BINDING_TABLE_POINTERS" },
855 	{ 0x780b, 1, 1, "3DSTATE_VF_STATISTICS" },
856 	{ 0x7808, 5, 257, "3DSTATE_VERTEX_BUFFERS" },
857 	{ 0x7809, 3, 256, "3DSTATE_VERTEX_ELEMENTS" },
858 	/* 0x7808: 3DSTATE_VERTEX_BUFFERS */
859 	/* 0x7809: 3DSTATE_VERTEX_ELEMENTS */
860 	{ 0x7900, 4, 4, "3DSTATE_DRAWING_RECTANGLE" },
861 	{ 0x7901, 5, 5, "3DSTATE_CONSTANT_COLOR" },
862 	{ 0x7905, 5, 7, "3DSTATE_DEPTH_BUFFER" },
863 	{ 0x7906, 2, 2, "3DSTATE_POLY_STIPPLE_OFFSET" },
864 	{ 0x7907, 33, 33, "3DSTATE_POLY_STIPPLE_PATTERN" },
865 	{ 0x7908, 3, 3, "3DSTATE_LINE_STIPPLE" },
866 	{ 0x7909, 2, 2, "3DSTATE_GLOBAL_DEPTH_OFFSET_CLAMP" },
867 	{ 0x790a, 3, 3, "3DSTATE_AA_LINE_PARAMETERS" },
868 	{ 0x7b00, 6, 6, "3DPRIMITIVE" },
869     };
870 
871     len = (data[0] & 0x0000ffff) + 2;
872 
873     switch ((data[0] & 0xffff0000) >> 16) {
874     case 0x6101:
875 	if (len != 6)
876 	    DRM_ERROR("Bad count in STATE_BASE_ADDRESS\n");
877 	if (count < 6)
878 	    BUFFER_FAIL(count, len, "STATE_BASE_ADDRESS");
879 
880 	instr_out(data, hw_offset, 0,
881 		  "STATE_BASE_ADDRESS\n");
882 
883 	if (data[1] & 1) {
884 	    instr_out(data, hw_offset, 1, "General state at 0x%08x\n",
885 		      data[1] & ~1);
886 	} else
887 	    instr_out(data, hw_offset, 1, "General state not updated\n");
888 
889 	if (data[2] & 1) {
890 	    instr_out(data, hw_offset, 2, "Surface state at 0x%08x\n",
891 		      data[2] & ~1);
892 	} else
893 	    instr_out(data, hw_offset, 2, "Surface state not updated\n");
894 
895 	if (data[3] & 1) {
896 	    instr_out(data, hw_offset, 3, "Indirect state at 0x%08x\n",
897 		      data[3] & ~1);
898 	} else
899 	    instr_out(data, hw_offset, 3, "Indirect state not updated\n");
900 
901 	if (data[4] & 1) {
902 	    instr_out(data, hw_offset, 4, "General state upper bound 0x%08x\n",
903 		      data[4] & ~1);
904 	} else
905 	    instr_out(data, hw_offset, 4, "General state not updated\n");
906 
907 	if (data[5] & 1) {
908 	    instr_out(data, hw_offset, 5, "Indirect state upper bound 0x%08x\n",
909 		      data[5] & ~1);
910 	} else
911 	    instr_out(data, hw_offset, 5, "Indirect state not updated\n");
912 
913 	return len;
914     case 0x7800:
915 	if (len != 7)
916 	    DRM_ERROR("Bad count in 3DSTATE_PIPELINED_POINTERS\n");
917 	if (count < 7)
918 	    BUFFER_FAIL(count, len, "3DSTATE_PIPELINED_POINTERS");
919 
920 	instr_out(data, hw_offset, 0,
921 		  "3DSTATE_PIPELINED_POINTERS\n");
922 	instr_out(data, hw_offset, 1, "VS state\n");
923 	instr_out(data, hw_offset, 2, "GS state\n");
924 	instr_out(data, hw_offset, 3, "Clip state\n");
925 	instr_out(data, hw_offset, 4, "SF state\n");
926 	instr_out(data, hw_offset, 5, "WM state\n");
927 	instr_out(data, hw_offset, 6, "CC state\n");
928 	return len;
929     case 0x7801:
930 	if (len != 6)
931 	    DRM_ERROR("Bad count in 3DSTATE_BINDING_TABLE_POINTERS\n");
932 	if (count < 6)
933 	    BUFFER_FAIL(count, len, "3DSTATE_BINDING_TABLE_POINTERS");
934 
935 	instr_out(data, hw_offset, 0,
936 		  "3DSTATE_BINDING_TABLE_POINTERS\n");
937 	instr_out(data, hw_offset, 1, "VS binding table\n");
938 	instr_out(data, hw_offset, 2, "GS binding table\n");
939 	instr_out(data, hw_offset, 3, "Clip binding table\n");
940 	instr_out(data, hw_offset, 4, "SF binding table\n");
941 	instr_out(data, hw_offset, 5, "WM binding table\n");
942 
943 	return len;
944 
945     case 0x7900:
946 	if (len != 4)
947 	    DRM_ERROR("Bad count in 3DSTATE_DRAWING_RECTANGLE\n");
948 	if (count < 4)
949 	    BUFFER_FAIL(count, len, "3DSTATE_DRAWING_RECTANGLE");
950 
951 	instr_out(data, hw_offset, 0,
952 		  "3DSTATE_DRAWING_RECTANGLE\n");
953 	instr_out(data, hw_offset, 1, "top left: %d,%d\n",
954 		  data[1] & 0xffff,
955 		  (data[1] >> 16) & 0xffff);
956 	instr_out(data, hw_offset, 2, "bottom right: %d,%d\n",
957 		  data[2] & 0xffff,
958 		  (data[2] >> 16) & 0xffff);
959 	instr_out(data, hw_offset, 3, "origin: %d,%d\n",
960 		  (int)data[3] & 0xffff,
961 		  ((int)data[3] >> 16) & 0xffff);
962 
963 	return len;
964 
965     case 0x7905:
966 	if (len != 5)
967 	    DRM_ERROR("Bad count in 3DSTATE_DEPTH_BUFFER\n");
968 	if (count < 5)
969 	    BUFFER_FAIL(count, len, "3DSTATE_DEPTH_BUFFER");
970 
971 	instr_out(data, hw_offset, 0,
972 		  "3DSTATE_DEPTH_BUFFER\n");
973 	instr_out(data, hw_offset, 1, "%s, %s, pitch = %d bytes, %stiled\n",
974 		  get_965_surfacetype(data[1] >> 29),
975 		  get_965_depthformat((data[1] >> 18) & 0x7),
976 		  (data[1] & 0x0001ffff) + 1,
977 		  data[1] & (1 << 27) ? "" : "not ");
978 	instr_out(data, hw_offset, 2, "depth offset\n");
979 	instr_out(data, hw_offset, 3, "%dx%d\n",
980 		  ((data[3] & 0x0007ffc0) >> 6) + 1,
981 		  ((data[3] & 0xfff80000) >> 19) + 1);
982 	instr_out(data, hw_offset, 4, "volume depth\n");
983 
984 	return len;
985     }
986 
987     for (opcode = 0; opcode < sizeof(opcodes_3d) / sizeof(opcodes_3d[0]);
988 	 opcode++) {
989 	if ((data[0] & 0xffff0000) >> 16 == opcodes_3d[opcode].opcode) {
990 	    unsigned int i;
991 	    len = 1;
992 
993 	    instr_out(data, hw_offset, 0, "%s\n", opcodes_3d[opcode].name);
994 	    if (opcodes_3d[opcode].max_len > 1) {
995 		len = (data[0] & 0xff) + 2;
996 		if (len < opcodes_3d[opcode].min_len ||
997 		    len > opcodes_3d[opcode].max_len)
998 		{
999 		    DRM_ERROR("Bad count in %s\n", opcodes_3d[opcode].name);
1000 		}
1001 	    }
1002 
1003 	    for (i = 1; i < len; i++) {
1004 		if (i >= count)
1005 		    BUFFER_FAIL(count, len, opcodes_3d[opcode].name);
1006 		instr_out(data, hw_offset, i, "dword %d\n", i);
1007 	    }
1008 	    return len;
1009 	}
1010     }
1011 
1012     instr_out(data, hw_offset, 0, "3D UNKNOWN\n");
1013     (*failures)++;
1014     return 1;
1015 }
1016 
1017 
1018 static int
decode_3d_i830(uint32_t * data,int count,uint32_t hw_offset,int * failures)1019 decode_3d_i830(uint32_t *data, int count, uint32_t hw_offset, int *failures)
1020 {
1021     unsigned int opcode;
1022 
1023     struct {
1024 	uint32_t opcode;
1025 	int min_len;
1026 	int max_len;
1027 	char *name;
1028     } opcodes_3d[] = {
1029 	{ 0x02, 1, 1, "3DSTATE_MODES_3" },
1030 	{ 0x03, 1, 1, "3DSTATE_ENABLES_1"},
1031 	{ 0x04, 1, 1, "3DSTATE_ENABLES_2"},
1032 	{ 0x05, 1, 1, "3DSTATE_VFT0"},
1033 	{ 0x06, 1, 1, "3DSTATE_AA"},
1034 	{ 0x07, 1, 1, "3DSTATE_RASTERIZATION_RULES" },
1035 	{ 0x08, 1, 1, "3DSTATE_MODES_1" },
1036 	{ 0x09, 1, 1, "3DSTATE_STENCIL_TEST" },
1037 	{ 0x0a, 1, 1, "3DSTATE_VFT1"},
1038 	{ 0x0b, 1, 1, "3DSTATE_INDPT_ALPHA_BLEND" },
1039 	{ 0x0c, 1, 1, "3DSTATE_MODES_5" },
1040 	{ 0x0d, 1, 1, "3DSTATE_MAP_BLEND_OP" },
1041 	{ 0x0e, 1, 1, "3DSTATE_MAP_BLEND_ARG" },
1042 	{ 0x0f, 1, 1, "3DSTATE_MODES_2" },
1043 	{ 0x15, 1, 1, "3DSTATE_FOG_COLOR" },
1044 	{ 0x16, 1, 1, "3DSTATE_MODES_4" },
1045     };
1046 
1047     switch ((data[0] & 0x1f000000) >> 24) {
1048     case 0x1f:
1049 	return decode_3d_primitive(data, count, hw_offset, failures);
1050     case 0x1d:
1051 	return decode_3d_1d(data, count, hw_offset, failures, 1);
1052     case 0x1c:
1053 	return decode_3d_1c(data, count, hw_offset, failures);
1054     }
1055 
1056     for (opcode = 0; opcode < sizeof(opcodes_3d) / sizeof(opcodes_3d[0]);
1057 	 opcode++) {
1058 	if ((data[0] & 0x1f000000) >> 24 == opcodes_3d[opcode].opcode) {
1059 	    unsigned int len = 1, i;
1060 
1061 	    instr_out(data, hw_offset, 0, "%s\n", opcodes_3d[opcode].name);
1062 	    if (opcodes_3d[opcode].max_len > 1) {
1063 		len = (data[0] & 0xff) + 2;
1064 		if (len < opcodes_3d[opcode].min_len ||
1065 		    len > opcodes_3d[opcode].max_len)
1066 		{
1067 		    DRM_ERROR("Bad count in %s\n", opcodes_3d[opcode].name);
1068 		}
1069 	    }
1070 
1071 	    for (i = 1; i < len; i++) {
1072 		if (i >= count)
1073 		    BUFFER_FAIL(count, len, opcodes_3d[opcode].name);
1074 		instr_out(data, hw_offset, i, "dword %d\n", i);
1075 	    }
1076 	    return len;
1077 	}
1078     }
1079 
1080     instr_out(data, hw_offset, 0, "3D UNKNOWN\n");
1081     (*failures)++;
1082     return 1;
1083 }
1084 
i915_gem_command_decode(uint32_t * data,int count,uint32_t hw_offset,struct drm_device * dev)1085 void i915_gem_command_decode(uint32_t *data, int count, uint32_t hw_offset, struct drm_device *dev)
1086 {
1087     int index = 0;
1088     int failures = 0;
1089 
1090    while (index < count) {
1091 	switch ((data[index] & 0xe0000000) >> 29) {
1092 	case 0x0:
1093 	    index += decode_mi(data + index, count - index,
1094 			       hw_offset + index * 4, &failures);
1095 	    break;
1096 	case 0x2:
1097 	    index += decode_2d(data + index, count - index,
1098 			       hw_offset + index * 4, &failures);
1099 	    break;
1100 	case 0x3:
1101 	    if (IS_I965G(dev)) {
1102 		index += decode_3d_965(data + index, count - index,
1103 				       hw_offset + index * 4, &failures);
1104 	    } else if (IS_I9XX(dev)) {
1105 		index += decode_3d(data + index, count - index,
1106 				   hw_offset + index * 4, &failures);
1107 	    } else {
1108 		index += decode_3d_i830(data + index, count - index,
1109 					hw_offset + index * 4, &failures);
1110 	    }
1111 	    break;
1112 	default:
1113 	    instr_out(data, hw_offset, index, "UNKNOWN\n");
1114 	    failures++;
1115 	    index++;
1116 	    break;
1117 	}
1118     }
1119 }
1120 
1121