xref: /third_party/libdrm/intel/intel_decode.c (revision d722e3fb)
1/*
2 * Copyright © 2009-2011 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24#include <assert.h>
25#include <stdint.h>
26#include <stdlib.h>
27#include <stdio.h>
28#include <stdbool.h>
29#include <stdarg.h>
30#include <string.h>
31
32#include "libdrm_macros.h"
33#include "xf86drm.h"
34#include "intel_chipset.h"
35#include "intel_bufmgr.h"
36
37
38/* Struct for tracking drm_intel_decode state. */
39struct drm_intel_decode {
40	/** stdio file where the output should land.  Defaults to stdout. */
41	FILE *out;
42
43	/** PCI device ID. */
44	uint32_t devid;
45
46	/**
47	 * Shorthand device identifier: 3 is 915, 4 is 965, 5 is
48	 * Ironlake, etc.
49	 */
50	int gen;
51
52	/** GPU address of the start of the current packet. */
53	uint32_t hw_offset;
54	/** CPU virtual address of the start of the current packet. */
55	uint32_t *data;
56	/** DWORDs of remaining batchbuffer data starting from the packet. */
57	uint32_t count;
58
59	/** GPU address of the start of the batchbuffer data. */
60	uint32_t base_hw_offset;
61	/** CPU Virtual address of the start of the batchbuffer data. */
62	uint32_t *base_data;
63	/** Number of DWORDs of batchbuffer data. */
64	uint32_t base_count;
65
66	/** @{
67	 * GPU head and tail pointers, which will be noted in the dump, or ~0.
68	 */
69	uint32_t head, tail;
70	/** @} */
71
72	/**
73	 * Whether to dump the dwords after MI_BATCHBUFFER_END.
74	 *
75	 * This sometimes provides clues in corrupted batchbuffers,
76	 * and is used by the intel-gpu-tools.
77	 */
78	bool dump_past_end;
79
80	bool overflowed;
81};
82
83static FILE *out;
84static uint32_t saved_s2 = 0, saved_s4 = 0;
85static char saved_s2_set = 0, saved_s4_set = 0;
86static uint32_t head_offset = 0xffffffff;	/* undefined */
87static uint32_t tail_offset = 0xffffffff;	/* undefined */
88
89#ifndef ARRAY_SIZE
90#define ARRAY_SIZE(A) (sizeof(A)/sizeof(A[0]))
91#endif
92
93#define BUFFER_FAIL(_count, _len, _name) do {			\
94    fprintf(out, "Buffer size too small in %s (%d < %d)\n",	\
95	    (_name), (_count), (_len));				\
96    return _count;						\
97} while (0)
98
99static float int_as_float(uint32_t intval)
100{
101	union intfloat {
102		uint32_t i;
103		float f;
104	} uval;
105
106	uval.i = intval;
107	return uval.f;
108}
109
110static void DRM_PRINTFLIKE(3, 4)
111instr_out(struct drm_intel_decode *ctx, unsigned int index,
112	  const char *fmt, ...)
113{
114	va_list va;
115	const char *parseinfo;
116	uint32_t offset = ctx->hw_offset + index * 4;
117
118	if (index > ctx->count) {
119		if (!ctx->overflowed) {
120			fprintf(out, "ERROR: Decode attempted to continue beyond end of batchbuffer\n");
121			ctx->overflowed = true;
122		}
123		return;
124	}
125
126	if (offset == head_offset)
127		parseinfo = "HEAD";
128	else if (offset == tail_offset)
129		parseinfo = "TAIL";
130	else
131		parseinfo = "    ";
132
133	fprintf(out, "0x%08x: %s 0x%08x: %s", offset, parseinfo,
134		ctx->data[index], index == 0 ? "" : "   ");
135	va_start(va, fmt);
136	vfprintf(out, fmt, va);
137	va_end(va);
138}
139
140static int
141decode_MI_SET_CONTEXT(struct drm_intel_decode *ctx)
142{
143	uint32_t data = ctx->data[1];
144	if (ctx->gen > 7)
145		return 1;
146
147	instr_out(ctx, 0, "MI_SET_CONTEXT\n");
148	instr_out(ctx, 1, "gtt offset = 0x%x%s%s\n",
149		  data & ~0xfff,
150		  data & (1<<1)? ", Force Restore": "",
151		  data & (1<<0)? ", Restore Inhibit": "");
152
153	return 2;
154}
155
156static int
157decode_MI_WAIT_FOR_EVENT(struct drm_intel_decode *ctx)
158{
159	const char *cc_wait;
160	int cc_shift = 0;
161	uint32_t data = ctx->data[0];
162
163	if (ctx->gen <= 5)
164		cc_shift = 9;
165	else
166		cc_shift = 16;
167
168	switch ((data >> cc_shift) & 0x1f) {
169	case 1:
170		cc_wait = ", cc wait 1";
171		break;
172	case 2:
173		cc_wait = ", cc wait 2";
174		break;
175	case 3:
176		cc_wait = ", cc wait 3";
177		break;
178	case 4:
179		cc_wait = ", cc wait 4";
180		break;
181	case 5:
182		cc_wait = ", cc wait 4";
183		break;
184	default:
185		cc_wait = "";
186		break;
187	}
188
189	if (ctx->gen <= 5) {
190		instr_out(ctx, 0, "MI_WAIT_FOR_EVENT%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
191			  data & (1<<18)? ", pipe B start vblank wait": "",
192			  data & (1<<17)? ", pipe A start vblank wait": "",
193			  data & (1<<16)? ", overlay flip pending wait": "",
194			  data & (1<<14)? ", pipe B hblank wait": "",
195			  data & (1<<13)? ", pipe A hblank wait": "",
196			  cc_wait,
197			  data & (1<<8)? ", plane C pending flip wait": "",
198			  data & (1<<7)? ", pipe B vblank wait": "",
199			  data & (1<<6)? ", plane B pending flip wait": "",
200			  data & (1<<5)? ", pipe B scan line wait": "",
201			  data & (1<<4)? ", fbc idle wait": "",
202			  data & (1<<3)? ", pipe A vblank wait": "",
203			  data & (1<<2)? ", plane A pending flip wait": "",
204			  data & (1<<1)? ", plane A scan line wait": "");
205	} else {
206		instr_out(ctx, 0, "MI_WAIT_FOR_EVENT%s%s%s%s%s%s%s%s%s%s%s%s\n",
207			  data & (1<<20)? ", sprite C pending flip wait": "", /* ivb */
208			  cc_wait,
209			  data & (1<<13)? ", pipe B hblank wait": "",
210			  data & (1<<11)? ", pipe B vblank wait": "",
211			  data & (1<<10)? ", sprite B pending flip wait": "",
212			  data & (1<<9)? ", plane B pending flip wait": "",
213			  data & (1<<8)? ", plane B scan line wait": "",
214			  data & (1<<5)? ", pipe A hblank wait": "",
215			  data & (1<<3)? ", pipe A vblank wait": "",
216			  data & (1<<2)? ", sprite A pending flip wait": "",
217			  data & (1<<1)? ", plane A pending flip wait": "",
218			  data & (1<<0)? ", plane A scan line wait": "");
219	}
220
221	return 1;
222}
223
224static int
225decode_mi(struct drm_intel_decode *ctx)
226{
227	unsigned int opcode, len = -1;
228	const char *post_sync_op = "";
229	uint32_t *data = ctx->data;
230
231	struct {
232		uint32_t opcode;
233		int len_mask;
234		unsigned int min_len;
235		unsigned int max_len;
236		const char *name;
237		int (*func)(struct drm_intel_decode *ctx);
238	} opcodes_mi[] = {
239		{ 0x08, 0, 1, 1, "MI_ARB_ON_OFF" },
240		{ 0x0a, 0, 1, 1, "MI_BATCH_BUFFER_END" },
241		{ 0x30, 0x3f, 3, 3, "MI_BATCH_BUFFER" },
242		{ 0x31, 0x3f, 2, 2, "MI_BATCH_BUFFER_START" },
243		{ 0x14, 0x3f, 3, 3, "MI_DISPLAY_BUFFER_INFO" },
244		{ 0x04, 0, 1, 1, "MI_FLUSH" },
245		{ 0x22, 0x1f, 3, 3, "MI_LOAD_REGISTER_IMM" },
246		{ 0x13, 0x3f, 2, 2, "MI_LOAD_SCAN_LINES_EXCL" },
247		{ 0x12, 0x3f, 2, 2, "MI_LOAD_SCAN_LINES_INCL" },
248		{ 0x00, 0, 1, 1, "MI_NOOP" },
249		{ 0x11, 0x3f, 2, 2, "MI_OVERLAY_FLIP" },
250		{ 0x07, 0, 1, 1, "MI_REPORT_HEAD" },
251		{ 0x18, 0x3f, 2, 2, "MI_SET_CONTEXT", decode_MI_SET_CONTEXT },
252		{ 0x20, 0x3f, 3, 4, "MI_STORE_DATA_IMM" },
253		{ 0x21, 0x3f, 3, 4, "MI_STORE_DATA_INDEX" },
254		{ 0x24, 0x3f, 3, 3, "MI_STORE_REGISTER_MEM" },
255		{ 0x02, 0, 1, 1, "MI_USER_INTERRUPT" },
256		{ 0x03, 0, 1, 1, "MI_WAIT_FOR_EVENT", decode_MI_WAIT_FOR_EVENT },
257		{ 0x16, 0x7f, 3, 3, "MI_SEMAPHORE_MBOX" },
258		{ 0x26, 0x1f, 3, 4, "MI_FLUSH_DW" },
259		{ 0x28, 0x3f, 3, 3, "MI_REPORT_PERF_COUNT" },
260		{ 0x29, 0xff, 3, 3, "MI_LOAD_REGISTER_MEM" },
261		{ 0x0b, 0, 1, 1, "MI_SUSPEND_FLUSH"},
262	}, *opcode_mi = NULL;
263
264	/* check instruction length */
265	for (opcode = 0; opcode < sizeof(opcodes_mi) / sizeof(opcodes_mi[0]);
266	     opcode++) {
267		if ((data[0] & 0x1f800000) >> 23 == opcodes_mi[opcode].opcode) {
268			len = 1;
269			if (opcodes_mi[opcode].max_len > 1) {
270				len =
271				    (data[0] & opcodes_mi[opcode].len_mask) + 2;
272				if (len < opcodes_mi[opcode].min_len
273				    || len > opcodes_mi[opcode].max_len) {
274					fprintf(out,
275						"Bad length (%d) in %s, [%d, %d]\n",
276						len, opcodes_mi[opcode].name,
277						opcodes_mi[opcode].min_len,
278						opcodes_mi[opcode].max_len);
279				}
280			}
281			opcode_mi = &opcodes_mi[opcode];
282			break;
283		}
284	}
285
286	if (opcode_mi && opcode_mi->func)
287		return opcode_mi->func(ctx);
288
289	switch ((data[0] & 0x1f800000) >> 23) {
290	case 0x0a:
291		instr_out(ctx, 0, "MI_BATCH_BUFFER_END\n");
292		return -1;
293	case 0x16:
294		instr_out(ctx, 0, "MI_SEMAPHORE_MBOX%s%s%s%s %u\n",
295			  data[0] & (1 << 22) ? " global gtt," : "",
296			  data[0] & (1 << 21) ? " update semaphore," : "",
297			  data[0] & (1 << 20) ? " compare semaphore," : "",
298			  data[0] & (1 << 18) ? " use compare reg" : "",
299			  (data[0] & (0x3 << 16)) >> 16);
300		instr_out(ctx, 1, "value\n");
301		instr_out(ctx, 2, "address\n");
302		return len;
303	case 0x21:
304		instr_out(ctx, 0, "MI_STORE_DATA_INDEX%s\n",
305			  data[0] & (1 << 21) ? " use per-process HWS," : "");
306		instr_out(ctx, 1, "index\n");
307		instr_out(ctx, 2, "dword\n");
308		if (len == 4)
309			instr_out(ctx, 3, "upper dword\n");
310		return len;
311	case 0x00:
312		if (data[0] & (1 << 22))
313			instr_out(ctx, 0,
314				  "MI_NOOP write NOPID reg, val=0x%x\n",
315				  data[0] & ((1 << 22) - 1));
316		else
317			instr_out(ctx, 0, "MI_NOOP\n");
318		return len;
319	case 0x26:
320		switch (data[0] & (0x3 << 14)) {
321		case (0 << 14):
322			post_sync_op = "no write";
323			break;
324		case (1 << 14):
325			post_sync_op = "write data";
326			break;
327		case (2 << 14):
328			post_sync_op = "reserved";
329			break;
330		case (3 << 14):
331			post_sync_op = "write TIMESTAMP";
332			break;
333		}
334		instr_out(ctx, 0,
335			  "MI_FLUSH_DW%s%s%s%s post_sync_op='%s' %s%s\n",
336			  data[0] & (1 << 22) ?
337			  " enable protected mem (BCS-only)," : "",
338			  data[0] & (1 << 21) ? " store in hws," : "",
339			  data[0] & (1 << 18) ? " invalidate tlb," : "",
340			  data[0] & (1 << 17) ? " flush gfdt," : "",
341			  post_sync_op,
342			  data[0] & (1 << 8) ? " enable notify interrupt," : "",
343			  data[0] & (1 << 7) ?
344			  " invalidate video state (BCS-only)," : "");
345		if (data[0] & (1 << 21))
346			instr_out(ctx, 1, "hws index\n");
347		else
348			instr_out(ctx, 1, "address\n");
349		instr_out(ctx, 2, "dword\n");
350		if (len == 4)
351			instr_out(ctx, 3, "upper dword\n");
352		return len;
353	}
354
355	for (opcode = 0; opcode < sizeof(opcodes_mi) / sizeof(opcodes_mi[0]);
356	     opcode++) {
357		if ((data[0] & 0x1f800000) >> 23 == opcodes_mi[opcode].opcode) {
358			unsigned int i;
359
360			instr_out(ctx, 0, "%s\n",
361				  opcodes_mi[opcode].name);
362			for (i = 1; i < len; i++) {
363				instr_out(ctx, i, "dword %d\n", i);
364			}
365
366			return len;
367		}
368	}
369
370	instr_out(ctx, 0, "MI UNKNOWN\n");
371	return 1;
372}
373
374static void
375decode_2d_br00(struct drm_intel_decode *ctx, const char *cmd)
376{
377	instr_out(ctx, 0,
378		  "%s (rgb %sabled, alpha %sabled, src tile %d, dst tile %d)\n",
379		  cmd,
380		  (ctx->data[0] & (1 << 20)) ? "en" : "dis",
381		  (ctx->data[0] & (1 << 21)) ? "en" : "dis",
382		  (ctx->data[0] >> 15) & 1,
383		  (ctx->data[0] >> 11) & 1);
384}
385
386static void
387decode_2d_br01(struct drm_intel_decode *ctx)
388{
389	const char *format;
390	switch ((ctx->data[1] >> 24) & 0x3) {
391	case 0:
392		format = "8";
393		break;
394	case 1:
395		format = "565";
396		break;
397	case 2:
398		format = "1555";
399		break;
400	case 3:
401		format = "8888";
402		break;
403	}
404
405	instr_out(ctx, 1,
406		  "format %s, pitch %d, rop 0x%02x, "
407		  "clipping %sabled, %s%s \n",
408		  format,
409		  (short)(ctx->data[1] & 0xffff),
410		  (ctx->data[1] >> 16) & 0xff,
411		  ctx->data[1] & (1 << 30) ? "en" : "dis",
412		  ctx->data[1] & (1 << 31) ? "solid pattern enabled, " : "",
413		  ctx->data[1] & (1 << 31) ?
414		  "mono pattern transparency enabled, " : "");
415
416}
417
418static int
419decode_2d(struct drm_intel_decode *ctx)
420{
421	unsigned int opcode, len;
422	uint32_t *data = ctx->data;
423
424	struct {
425		uint32_t opcode;
426		unsigned int min_len;
427		unsigned int max_len;
428		const char *name;
429	} opcodes_2d[] = {
430		{ 0x40, 5, 5, "COLOR_BLT" },
431		{ 0x43, 6, 6, "SRC_COPY_BLT" },
432		{ 0x01, 8, 8, "XY_SETUP_BLT" },
433		{ 0x11, 9, 9, "XY_SETUP_MONO_PATTERN_SL_BLT" },
434		{ 0x03, 3, 3, "XY_SETUP_CLIP_BLT" },
435		{ 0x24, 2, 2, "XY_PIXEL_BLT" },
436		{ 0x25, 3, 3, "XY_SCANLINES_BLT" },
437		{ 0x26, 4, 4, "Y_TEXT_BLT" },
438		{ 0x31, 5, 134, "XY_TEXT_IMMEDIATE_BLT" },
439		{ 0x50, 6, 6, "XY_COLOR_BLT" },
440		{ 0x51, 6, 6, "XY_PAT_BLT" },
441		{ 0x76, 8, 8, "XY_PAT_CHROMA_BLT" },
442		{ 0x72, 7, 135, "XY_PAT_BLT_IMMEDIATE" },
443		{ 0x77, 9, 137, "XY_PAT_CHROMA_BLT_IMMEDIATE" },
444		{ 0x52, 9, 9, "XY_MONO_PAT_BLT" },
445		{ 0x59, 7, 7, "XY_MONO_PAT_FIXED_BLT" },
446		{ 0x53, 8, 8, "XY_SRC_COPY_BLT" },
447		{ 0x54, 8, 8, "XY_MONO_SRC_COPY_BLT" },
448		{ 0x71, 9, 137, "XY_MONO_SRC_COPY_IMMEDIATE_BLT" },
449		{ 0x55, 9, 9, "XY_FULL_BLT" },
450		{ 0x55, 9, 137, "XY_FULL_IMMEDIATE_PATTERN_BLT" },
451		{ 0x56, 9, 9, "XY_FULL_MONO_SRC_BLT" },
452		{ 0x75, 10, 138, "XY_FULL_MONO_SRC_IMMEDIATE_PATTERN_BLT" },
453		{ 0x57, 12, 12, "XY_FULL_MONO_PATTERN_BLT" },
454		{ 0x58, 12, 12, "XY_FULL_MONO_PATTERN_MONO_SRC_BLT"},
455	};
456
457	switch ((data[0] & 0x1fc00000) >> 22) {
458	case 0x25:
459		instr_out(ctx, 0,
460			  "XY_SCANLINES_BLT (pattern seed (%d, %d), dst tile %d)\n",
461			  (data[0] >> 12) & 0x8,
462			  (data[0] >> 8) & 0x8, (data[0] >> 11) & 1);
463
464		len = (data[0] & 0x000000ff) + 2;
465		if (len != 3)
466			fprintf(out, "Bad count in XY_SCANLINES_BLT\n");
467
468		instr_out(ctx, 1, "dest (%d,%d)\n",
469			  data[1] & 0xffff, data[1] >> 16);
470		instr_out(ctx, 2, "dest (%d,%d)\n",
471			  data[2] & 0xffff, data[2] >> 16);
472		return len;
473	case 0x01:
474		decode_2d_br00(ctx, "XY_SETUP_BLT");
475
476		len = (data[0] & 0x000000ff) + 2;
477		if (len != 8)
478			fprintf(out, "Bad count in XY_SETUP_BLT\n");
479
480		decode_2d_br01(ctx);
481		instr_out(ctx, 2, "cliprect (%d,%d)\n",
482			  data[2] & 0xffff, data[2] >> 16);
483		instr_out(ctx, 3, "cliprect (%d,%d)\n",
484			  data[3] & 0xffff, data[3] >> 16);
485		instr_out(ctx, 4, "setup dst offset 0x%08x\n",
486			  data[4]);
487		instr_out(ctx, 5, "setup background color\n");
488		instr_out(ctx, 6, "setup foreground color\n");
489		instr_out(ctx, 7, "color pattern offset\n");
490		return len;
491	case 0x03:
492		decode_2d_br00(ctx, "XY_SETUP_CLIP_BLT");
493
494		len = (data[0] & 0x000000ff) + 2;
495		if (len != 3)
496			fprintf(out, "Bad count in XY_SETUP_CLIP_BLT\n");
497
498		instr_out(ctx, 1, "cliprect (%d,%d)\n",
499			  data[1] & 0xffff, data[2] >> 16);
500		instr_out(ctx, 2, "cliprect (%d,%d)\n",
501			  data[2] & 0xffff, data[3] >> 16);
502		return len;
503	case 0x11:
504		decode_2d_br00(ctx, "XY_SETUP_MONO_PATTERN_SL_BLT");
505
506		len = (data[0] & 0x000000ff) + 2;
507		if (len != 9)
508			fprintf(out,
509				"Bad count in XY_SETUP_MONO_PATTERN_SL_BLT\n");
510
511		decode_2d_br01(ctx);
512		instr_out(ctx, 2, "cliprect (%d,%d)\n",
513			  data[2] & 0xffff, data[2] >> 16);
514		instr_out(ctx, 3, "cliprect (%d,%d)\n",
515			  data[3] & 0xffff, data[3] >> 16);
516		instr_out(ctx, 4, "setup dst offset 0x%08x\n",
517			  data[4]);
518		instr_out(ctx, 5, "setup background color\n");
519		instr_out(ctx, 6, "setup foreground color\n");
520		instr_out(ctx, 7, "mono pattern dw0\n");
521		instr_out(ctx, 8, "mono pattern dw1\n");
522		return len;
523	case 0x50:
524		decode_2d_br00(ctx, "XY_COLOR_BLT");
525
526		len = (data[0] & 0x000000ff) + 2;
527		if (len != 6)
528			fprintf(out, "Bad count in XY_COLOR_BLT\n");
529
530		decode_2d_br01(ctx);
531		instr_out(ctx, 2, "(%d,%d)\n",
532			  data[2] & 0xffff, data[2] >> 16);
533		instr_out(ctx, 3, "(%d,%d)\n",
534			  data[3] & 0xffff, data[3] >> 16);
535		instr_out(ctx, 4, "offset 0x%08x\n", data[4]);
536		instr_out(ctx, 5, "color\n");
537		return len;
538	case 0x53:
539		decode_2d_br00(ctx, "XY_SRC_COPY_BLT");
540
541		len = (data[0] & 0x000000ff) + 2;
542		if (len != 8)
543			fprintf(out, "Bad count in XY_SRC_COPY_BLT\n");
544
545		decode_2d_br01(ctx);
546		instr_out(ctx, 2, "dst (%d,%d)\n",
547			  data[2] & 0xffff, data[2] >> 16);
548		instr_out(ctx, 3, "dst (%d,%d)\n",
549			  data[3] & 0xffff, data[3] >> 16);
550		instr_out(ctx, 4, "dst offset 0x%08x\n", data[4]);
551		instr_out(ctx, 5, "src (%d,%d)\n",
552			  data[5] & 0xffff, data[5] >> 16);
553		instr_out(ctx, 6, "src pitch %d\n",
554			  (short)(data[6] & 0xffff));
555		instr_out(ctx, 7, "src offset 0x%08x\n", data[7]);
556		return len;
557	}
558
559	for (opcode = 0; opcode < sizeof(opcodes_2d) / sizeof(opcodes_2d[0]);
560	     opcode++) {
561		if ((data[0] & 0x1fc00000) >> 22 == opcodes_2d[opcode].opcode) {
562			unsigned int i;
563
564			len = 1;
565			instr_out(ctx, 0, "%s\n",
566				  opcodes_2d[opcode].name);
567			if (opcodes_2d[opcode].max_len > 1) {
568				len = (data[0] & 0x000000ff) + 2;
569				if (len < opcodes_2d[opcode].min_len ||
570				    len > opcodes_2d[opcode].max_len) {
571					fprintf(out, "Bad count in %s\n",
572						opcodes_2d[opcode].name);
573				}
574			}
575
576			for (i = 1; i < len; i++) {
577				instr_out(ctx, i, "dword %d\n", i);
578			}
579
580			return len;
581		}
582	}
583
584	instr_out(ctx, 0, "2D UNKNOWN\n");
585	return 1;
586}
587
588static int
589decode_3d_1c(struct drm_intel_decode *ctx)
590{
591	uint32_t *data = ctx->data;
592	uint32_t opcode;
593
594	opcode = (data[0] & 0x00f80000) >> 19;
595
596	switch (opcode) {
597	case 0x11:
598		instr_out(ctx, 0,
599			  "3DSTATE_DEPTH_SUBRECTANGLE_DISABLE\n");
600		return 1;
601	case 0x10:
602		instr_out(ctx, 0, "3DSTATE_SCISSOR_ENABLE %s\n",
603			  data[0] & 1 ? "enabled" : "disabled");
604		return 1;
605	case 0x01:
606		instr_out(ctx, 0, "3DSTATE_MAP_COORD_SET_I830\n");
607		return 1;
608	case 0x0a:
609		instr_out(ctx, 0, "3DSTATE_MAP_CUBE_I830\n");
610		return 1;
611	case 0x05:
612		instr_out(ctx, 0, "3DSTATE_MAP_TEX_STREAM_I830\n");
613		return 1;
614	}
615
616	instr_out(ctx, 0, "3D UNKNOWN: 3d_1c opcode = 0x%x\n",
617		  opcode);
618	return 1;
619}
620
621/** Sets the string dstname to describe the destination of the PS instruction */
622static void
623i915_get_instruction_dst(uint32_t *data, int i, char *dstname, int do_mask)
624{
625	uint32_t a0 = data[i];
626	int dst_nr = (a0 >> 14) & 0xf;
627	char dstmask[8];
628	const char *sat;
629
630	if (do_mask) {
631		if (((a0 >> 10) & 0xf) == 0xf) {
632			dstmask[0] = 0;
633		} else {
634			int dstmask_index = 0;
635
636			dstmask[dstmask_index++] = '.';
637			if (a0 & (1 << 10))
638				dstmask[dstmask_index++] = 'x';
639			if (a0 & (1 << 11))
640				dstmask[dstmask_index++] = 'y';
641			if (a0 & (1 << 12))
642				dstmask[dstmask_index++] = 'z';
643			if (a0 & (1 << 13))
644				dstmask[dstmask_index++] = 'w';
645			dstmask[dstmask_index++] = 0;
646		}
647
648		if (a0 & (1 << 22))
649			sat = ".sat";
650		else
651			sat = "";
652	} else {
653		dstmask[0] = 0;
654		sat = "";
655	}
656
657	switch ((a0 >> 19) & 0x7) {
658	case 0:
659		if (dst_nr > 15)
660			fprintf(out, "bad destination reg R%d\n", dst_nr);
661		sprintf(dstname, "R%d%s%s", dst_nr, dstmask, sat);
662		break;
663	case 4:
664		if (dst_nr > 0)
665			fprintf(out, "bad destination reg oC%d\n", dst_nr);
666		sprintf(dstname, "oC%s%s", dstmask, sat);
667		break;
668	case 5:
669		if (dst_nr > 0)
670			fprintf(out, "bad destination reg oD%d\n", dst_nr);
671		sprintf(dstname, "oD%s%s", dstmask, sat);
672		break;
673	case 6:
674		if (dst_nr > 3)
675			fprintf(out, "bad destination reg U%d\n", dst_nr);
676		sprintf(dstname, "U%d%s%s", dst_nr, dstmask, sat);
677		break;
678	default:
679		sprintf(dstname, "RESERVED");
680		break;
681	}
682}
683
684static const char *
685i915_get_channel_swizzle(uint32_t select)
686{
687	switch (select & 0x7) {
688	case 0:
689		return (select & 8) ? "-x" : "x";
690	case 1:
691		return (select & 8) ? "-y" : "y";
692	case 2:
693		return (select & 8) ? "-z" : "z";
694	case 3:
695		return (select & 8) ? "-w" : "w";
696	case 4:
697		return (select & 8) ? "-0" : "0";
698	case 5:
699		return (select & 8) ? "-1" : "1";
700	default:
701		return (select & 8) ? "-bad" : "bad";
702	}
703}
704
705static void
706i915_get_instruction_src_name(uint32_t src_type, uint32_t src_nr, char *name)
707{
708	switch (src_type) {
709	case 0:
710		sprintf(name, "R%d", src_nr);
711		if (src_nr > 15)
712			fprintf(out, "bad src reg %s\n", name);
713		break;
714	case 1:
715		if (src_nr < 8)
716			sprintf(name, "T%d", src_nr);
717		else if (src_nr == 8)
718			sprintf(name, "DIFFUSE");
719		else if (src_nr == 9)
720			sprintf(name, "SPECULAR");
721		else if (src_nr == 10)
722			sprintf(name, "FOG");
723		else {
724			fprintf(out, "bad src reg T%d\n", src_nr);
725			sprintf(name, "RESERVED");
726		}
727		break;
728	case 2:
729		sprintf(name, "C%d", src_nr);
730		if (src_nr > 31)
731			fprintf(out, "bad src reg %s\n", name);
732		break;
733	case 4:
734		sprintf(name, "oC");
735		if (src_nr > 0)
736			fprintf(out, "bad src reg oC%d\n", src_nr);
737		break;
738	case 5:
739		sprintf(name, "oD");
740		if (src_nr > 0)
741			fprintf(out, "bad src reg oD%d\n", src_nr);
742		break;
743	case 6:
744		sprintf(name, "U%d", src_nr);
745		if (src_nr > 3)
746			fprintf(out, "bad src reg %s\n", name);
747		break;
748	default:
749		fprintf(out, "bad src reg type %d\n", src_type);
750		sprintf(name, "RESERVED");
751		break;
752	}
753}
754
755static void i915_get_instruction_src0(uint32_t *data, int i, char *srcname)
756{
757	uint32_t a0 = data[i];
758	uint32_t a1 = data[i + 1];
759	int src_nr = (a0 >> 2) & 0x1f;
760	const char *swizzle_x = i915_get_channel_swizzle((a1 >> 28) & 0xf);
761	const char *swizzle_y = i915_get_channel_swizzle((a1 >> 24) & 0xf);
762	const char *swizzle_z = i915_get_channel_swizzle((a1 >> 20) & 0xf);
763	const char *swizzle_w = i915_get_channel_swizzle((a1 >> 16) & 0xf);
764	char swizzle[100];
765
766	i915_get_instruction_src_name((a0 >> 7) & 0x7, src_nr, srcname);
767	sprintf(swizzle, ".%s%s%s%s", swizzle_x, swizzle_y, swizzle_z,
768		swizzle_w);
769	if (strcmp(swizzle, ".xyzw") != 0)
770		strcat(srcname, swizzle);
771}
772
773static void i915_get_instruction_src1(uint32_t *data, int i, char *srcname)
774{
775	uint32_t a1 = data[i + 1];
776	uint32_t a2 = data[i + 2];
777	int src_nr = (a1 >> 8) & 0x1f;
778	const char *swizzle_x = i915_get_channel_swizzle((a1 >> 4) & 0xf);
779	const char *swizzle_y = i915_get_channel_swizzle((a1 >> 0) & 0xf);
780	const char *swizzle_z = i915_get_channel_swizzle((a2 >> 28) & 0xf);
781	const char *swizzle_w = i915_get_channel_swizzle((a2 >> 24) & 0xf);
782	char swizzle[100];
783
784	i915_get_instruction_src_name((a1 >> 13) & 0x7, src_nr, srcname);
785	sprintf(swizzle, ".%s%s%s%s", swizzle_x, swizzle_y, swizzle_z,
786		swizzle_w);
787	if (strcmp(swizzle, ".xyzw") != 0)
788		strcat(srcname, swizzle);
789}
790
791static void i915_get_instruction_src2(uint32_t *data, int i, char *srcname)
792{
793	uint32_t a2 = data[i + 2];
794	int src_nr = (a2 >> 16) & 0x1f;
795	const char *swizzle_x = i915_get_channel_swizzle((a2 >> 12) & 0xf);
796	const char *swizzle_y = i915_get_channel_swizzle((a2 >> 8) & 0xf);
797	const char *swizzle_z = i915_get_channel_swizzle((a2 >> 4) & 0xf);
798	const char *swizzle_w = i915_get_channel_swizzle((a2 >> 0) & 0xf);
799	char swizzle[100];
800
801	i915_get_instruction_src_name((a2 >> 21) & 0x7, src_nr, srcname);
802	sprintf(swizzle, ".%s%s%s%s", swizzle_x, swizzle_y, swizzle_z,
803		swizzle_w);
804	if (strcmp(swizzle, ".xyzw") != 0)
805		strcat(srcname, swizzle);
806}
807
808static void
809i915_get_instruction_addr(uint32_t src_type, uint32_t src_nr, char *name)
810{
811	switch (src_type) {
812	case 0:
813		sprintf(name, "R%d", src_nr);
814		if (src_nr > 15)
815			fprintf(out, "bad src reg %s\n", name);
816		break;
817	case 1:
818		if (src_nr < 8)
819			sprintf(name, "T%d", src_nr);
820		else if (src_nr == 8)
821			sprintf(name, "DIFFUSE");
822		else if (src_nr == 9)
823			sprintf(name, "SPECULAR");
824		else if (src_nr == 10)
825			sprintf(name, "FOG");
826		else {
827			fprintf(out, "bad src reg T%d\n", src_nr);
828			sprintf(name, "RESERVED");
829		}
830		break;
831	case 4:
832		sprintf(name, "oC");
833		if (src_nr > 0)
834			fprintf(out, "bad src reg oC%d\n", src_nr);
835		break;
836	case 5:
837		sprintf(name, "oD");
838		if (src_nr > 0)
839			fprintf(out, "bad src reg oD%d\n", src_nr);
840		break;
841	default:
842		fprintf(out, "bad src reg type %d\n", src_type);
843		sprintf(name, "RESERVED");
844		break;
845	}
846}
847
848static void
849i915_decode_alu1(struct drm_intel_decode *ctx,
850		 int i, char *instr_prefix, const char *op_name)
851{
852	char dst[100], src0[100];
853
854	i915_get_instruction_dst(ctx->data, i, dst, 1);
855	i915_get_instruction_src0(ctx->data, i, src0);
856
857	instr_out(ctx, i++, "%s: %s %s, %s\n", instr_prefix,
858		  op_name, dst, src0);
859	instr_out(ctx, i++, "%s\n", instr_prefix);
860	instr_out(ctx, i++, "%s\n", instr_prefix);
861}
862
863static void
864i915_decode_alu2(struct drm_intel_decode *ctx,
865		 int i, char *instr_prefix, const char *op_name)
866{
867	char dst[100], src0[100], src1[100];
868
869	i915_get_instruction_dst(ctx->data, i, dst, 1);
870	i915_get_instruction_src0(ctx->data, i, src0);
871	i915_get_instruction_src1(ctx->data, i, src1);
872
873	instr_out(ctx, i++, "%s: %s %s, %s, %s\n", instr_prefix,
874		  op_name, dst, src0, src1);
875	instr_out(ctx, i++, "%s\n", instr_prefix);
876	instr_out(ctx, i++, "%s\n", instr_prefix);
877}
878
879static void
880i915_decode_alu3(struct drm_intel_decode *ctx,
881		 int i, char *instr_prefix, const char *op_name)
882{
883	char dst[100], src0[100], src1[100], src2[100];
884
885	i915_get_instruction_dst(ctx->data, i, dst, 1);
886	i915_get_instruction_src0(ctx->data, i, src0);
887	i915_get_instruction_src1(ctx->data, i, src1);
888	i915_get_instruction_src2(ctx->data, i, src2);
889
890	instr_out(ctx, i++, "%s: %s %s, %s, %s, %s\n", instr_prefix,
891		  op_name, dst, src0, src1, src2);
892	instr_out(ctx, i++, "%s\n", instr_prefix);
893	instr_out(ctx, i++, "%s\n", instr_prefix);
894}
895
896static void
897i915_decode_tex(struct drm_intel_decode *ctx, int i,
898		const char *instr_prefix, const char *tex_name)
899{
900	uint32_t t0 = ctx->data[i];
901	uint32_t t1 = ctx->data[i + 1];
902	char dst_name[100];
903	char addr_name[100];
904	int sampler_nr;
905
906	i915_get_instruction_dst(ctx->data, i, dst_name, 0);
907	i915_get_instruction_addr((t1 >> 24) & 0x7,
908				  (t1 >> 17) & 0xf, addr_name);
909	sampler_nr = t0 & 0xf;
910
911	instr_out(ctx, i++, "%s: %s %s, S%d, %s\n", instr_prefix,
912		  tex_name, dst_name, sampler_nr, addr_name);
913	instr_out(ctx, i++, "%s\n", instr_prefix);
914	instr_out(ctx, i++, "%s\n", instr_prefix);
915}
916
917static void
918i915_decode_dcl(struct drm_intel_decode *ctx, int i, char *instr_prefix)
919{
920	uint32_t d0 = ctx->data[i];
921	const char *sampletype;
922	int dcl_nr = (d0 >> 14) & 0xf;
923	const char *dcl_x = d0 & (1 << 10) ? "x" : "";
924	const char *dcl_y = d0 & (1 << 11) ? "y" : "";
925	const char *dcl_z = d0 & (1 << 12) ? "z" : "";
926	const char *dcl_w = d0 & (1 << 13) ? "w" : "";
927	char dcl_mask[10];
928
929	switch ((d0 >> 19) & 0x3) {
930	case 1:
931		sprintf(dcl_mask, ".%s%s%s%s", dcl_x, dcl_y, dcl_z, dcl_w);
932		if (strcmp(dcl_mask, ".") == 0)
933			fprintf(out, "bad (empty) dcl mask\n");
934
935		if (dcl_nr > 10)
936			fprintf(out, "bad T%d dcl register number\n", dcl_nr);
937		if (dcl_nr < 8) {
938			if (strcmp(dcl_mask, ".x") != 0 &&
939			    strcmp(dcl_mask, ".xy") != 0 &&
940			    strcmp(dcl_mask, ".xz") != 0 &&
941			    strcmp(dcl_mask, ".w") != 0 &&
942			    strcmp(dcl_mask, ".xyzw") != 0) {
943				fprintf(out, "bad T%d.%s dcl mask\n", dcl_nr,
944					dcl_mask);
945			}
946			instr_out(ctx, i++, "%s: DCL T%d%s\n",
947				  instr_prefix, dcl_nr, dcl_mask);
948		} else {
949			if (strcmp(dcl_mask, ".xz") == 0)
950				fprintf(out, "errataed bad dcl mask %s\n",
951					dcl_mask);
952			else if (strcmp(dcl_mask, ".xw") == 0)
953				fprintf(out, "errataed bad dcl mask %s\n",
954					dcl_mask);
955			else if (strcmp(dcl_mask, ".xzw") == 0)
956				fprintf(out, "errataed bad dcl mask %s\n",
957					dcl_mask);
958
959			if (dcl_nr == 8) {
960				instr_out(ctx, i++,
961					  "%s: DCL DIFFUSE%s\n", instr_prefix,
962					  dcl_mask);
963			} else if (dcl_nr == 9) {
964				instr_out(ctx, i++,
965					  "%s: DCL SPECULAR%s\n", instr_prefix,
966					  dcl_mask);
967			} else if (dcl_nr == 10) {
968				instr_out(ctx, i++,
969					  "%s: DCL FOG%s\n", instr_prefix,
970					  dcl_mask);
971			}
972		}
973		instr_out(ctx, i++, "%s\n", instr_prefix);
974		instr_out(ctx, i++, "%s\n", instr_prefix);
975		break;
976	case 3:
977		switch ((d0 >> 22) & 0x3) {
978		case 0:
979			sampletype = "2D";
980			break;
981		case 1:
982			sampletype = "CUBE";
983			break;
984		case 2:
985			sampletype = "3D";
986			break;
987		default:
988			sampletype = "RESERVED";
989			break;
990		}
991		if (dcl_nr > 15)
992			fprintf(out, "bad S%d dcl register number\n", dcl_nr);
993		instr_out(ctx, i++, "%s: DCL S%d %s\n",
994			  instr_prefix, dcl_nr, sampletype);
995		instr_out(ctx, i++, "%s\n", instr_prefix);
996		instr_out(ctx, i++, "%s\n", instr_prefix);
997		break;
998	default:
999		instr_out(ctx, i++, "%s: DCL RESERVED%d\n",
1000			  instr_prefix, dcl_nr);
1001		instr_out(ctx, i++, "%s\n", instr_prefix);
1002		instr_out(ctx, i++, "%s\n", instr_prefix);
1003	}
1004}
1005
1006static void
1007i915_decode_instruction(struct drm_intel_decode *ctx,
1008			int i, char *instr_prefix)
1009{
1010	switch ((ctx->data[i] >> 24) & 0x1f) {
1011	case 0x0:
1012		instr_out(ctx, i++, "%s: NOP\n", instr_prefix);
1013		instr_out(ctx, i++, "%s\n", instr_prefix);
1014		instr_out(ctx, i++, "%s\n", instr_prefix);
1015		break;
1016	case 0x01:
1017		i915_decode_alu2(ctx, i, instr_prefix, "ADD");
1018		break;
1019	case 0x02:
1020		i915_decode_alu1(ctx, i, instr_prefix, "MOV");
1021		break;
1022	case 0x03:
1023		i915_decode_alu2(ctx, i, instr_prefix, "MUL");
1024		break;
1025	case 0x04:
1026		i915_decode_alu3(ctx, i, instr_prefix, "MAD");
1027		break;
1028	case 0x05:
1029		i915_decode_alu3(ctx, i, instr_prefix, "DP2ADD");
1030		break;
1031	case 0x06:
1032		i915_decode_alu2(ctx, i, instr_prefix, "DP3");
1033		break;
1034	case 0x07:
1035		i915_decode_alu2(ctx, i, instr_prefix, "DP4");
1036		break;
1037	case 0x08:
1038		i915_decode_alu1(ctx, i, instr_prefix, "FRC");
1039		break;
1040	case 0x09:
1041		i915_decode_alu1(ctx, i, instr_prefix, "RCP");
1042		break;
1043	case 0x0a:
1044		i915_decode_alu1(ctx, i, instr_prefix, "RSQ");
1045		break;
1046	case 0x0b:
1047		i915_decode_alu1(ctx, i, instr_prefix, "EXP");
1048		break;
1049	case 0x0c:
1050		i915_decode_alu1(ctx, i, instr_prefix, "LOG");
1051		break;
1052	case 0x0d:
1053		i915_decode_alu2(ctx, i, instr_prefix, "CMP");
1054		break;
1055	case 0x0e:
1056		i915_decode_alu2(ctx, i, instr_prefix, "MIN");
1057		break;
1058	case 0x0f:
1059		i915_decode_alu2(ctx, i, instr_prefix, "MAX");
1060		break;
1061	case 0x10:
1062		i915_decode_alu1(ctx, i, instr_prefix, "FLR");
1063		break;
1064	case 0x11:
1065		i915_decode_alu1(ctx, i, instr_prefix, "MOD");
1066		break;
1067	case 0x12:
1068		i915_decode_alu1(ctx, i, instr_prefix, "TRC");
1069		break;
1070	case 0x13:
1071		i915_decode_alu2(ctx, i, instr_prefix, "SGE");
1072		break;
1073	case 0x14:
1074		i915_decode_alu2(ctx, i, instr_prefix, "SLT");
1075		break;
1076	case 0x15:
1077		i915_decode_tex(ctx, i, instr_prefix, "TEXLD");
1078		break;
1079	case 0x16:
1080		i915_decode_tex(ctx, i, instr_prefix, "TEXLDP");
1081		break;
1082	case 0x17:
1083		i915_decode_tex(ctx, i, instr_prefix, "TEXLDB");
1084		break;
1085	case 0x19:
1086		i915_decode_dcl(ctx, i, instr_prefix);
1087		break;
1088	default:
1089		instr_out(ctx, i++, "%s: unknown\n", instr_prefix);
1090		instr_out(ctx, i++, "%s\n", instr_prefix);
1091		instr_out(ctx, i++, "%s\n", instr_prefix);
1092		break;
1093	}
1094}
1095
1096static const char *
1097decode_compare_func(uint32_t op)
1098{
1099	switch (op & 0x7) {
1100	case 0:
1101		return "always";
1102	case 1:
1103		return "never";
1104	case 2:
1105		return "less";
1106	case 3:
1107		return "equal";
1108	case 4:
1109		return "lequal";
1110	case 5:
1111		return "greater";
1112	case 6:
1113		return "notequal";
1114	case 7:
1115		return "gequal";
1116	}
1117	return "";
1118}
1119
1120static const char *
1121decode_stencil_op(uint32_t op)
1122{
1123	switch (op & 0x7) {
1124	case 0:
1125		return "keep";
1126	case 1:
1127		return "zero";
1128	case 2:
1129		return "replace";
1130	case 3:
1131		return "incr_sat";
1132	case 4:
1133		return "decr_sat";
1134	case 5:
1135		return "greater";
1136	case 6:
1137		return "incr";
1138	case 7:
1139		return "decr";
1140	}
1141	return "";
1142}
1143
1144#if 0
1145static const char *
1146decode_logic_op(uint32_t op)
1147{
1148	switch (op & 0xf) {
1149	case 0:
1150		return "clear";
1151	case 1:
1152		return "nor";
1153	case 2:
1154		return "and_inv";
1155	case 3:
1156		return "copy_inv";
1157	case 4:
1158		return "and_rvrse";
1159	case 5:
1160		return "inv";
1161	case 6:
1162		return "xor";
1163	case 7:
1164		return "nand";
1165	case 8:
1166		return "and";
1167	case 9:
1168		return "equiv";
1169	case 10:
1170		return "noop";
1171	case 11:
1172		return "or_inv";
1173	case 12:
1174		return "copy";
1175	case 13:
1176		return "or_rvrse";
1177	case 14:
1178		return "or";
1179	case 15:
1180		return "set";
1181	}
1182	return "";
1183}
1184#endif
1185
1186static const char *
1187decode_blend_fact(uint32_t op)
1188{
1189	switch (op & 0xf) {
1190	case 1:
1191		return "zero";
1192	case 2:
1193		return "one";
1194	case 3:
1195		return "src_colr";
1196	case 4:
1197		return "inv_src_colr";
1198	case 5:
1199		return "src_alpha";
1200	case 6:
1201		return "inv_src_alpha";
1202	case 7:
1203		return "dst_alpha";
1204	case 8:
1205		return "inv_dst_alpha";
1206	case 9:
1207		return "dst_colr";
1208	case 10:
1209		return "inv_dst_colr";
1210	case 11:
1211		return "src_alpha_sat";
1212	case 12:
1213		return "cnst_colr";
1214	case 13:
1215		return "inv_cnst_colr";
1216	case 14:
1217		return "cnst_alpha";
1218	case 15:
1219		return "inv_const_alpha";
1220	}
1221	return "";
1222}
1223
1224static const char *
1225decode_tex_coord_mode(uint32_t mode)
1226{
1227	switch (mode & 0x7) {
1228	case 0:
1229		return "wrap";
1230	case 1:
1231		return "mirror";
1232	case 2:
1233		return "clamp_edge";
1234	case 3:
1235		return "cube";
1236	case 4:
1237		return "clamp_border";
1238	case 5:
1239		return "mirror_once";
1240	}
1241	return "";
1242}
1243
1244static const char *
1245decode_sample_filter(uint32_t mode)
1246{
1247	switch (mode & 0x7) {
1248	case 0:
1249		return "nearest";
1250	case 1:
1251		return "linear";
1252	case 2:
1253		return "anisotropic";
1254	case 3:
1255		return "4x4_1";
1256	case 4:
1257		return "4x4_2";
1258	case 5:
1259		return "4x4_flat";
1260	case 6:
1261		return "6x5_mono";
1262	}
1263	return "";
1264}
1265
1266static int
1267decode_3d_1d(struct drm_intel_decode *ctx)
1268{
1269	unsigned int len, i, c, idx, word, map, sampler, instr;
1270	const char *format, *zformat, *type;
1271	uint32_t opcode;
1272	uint32_t *data = ctx->data;
1273	uint32_t devid = ctx->devid;
1274
1275	struct {
1276		uint32_t opcode;
1277		int i830_only;
1278		unsigned int min_len;
1279		unsigned int max_len;
1280		const char *name;
1281	} opcodes_3d_1d[] = {
1282		{ 0x86, 0, 4, 4, "3DSTATE_CHROMA_KEY" },
1283		{ 0x88, 0, 2, 2, "3DSTATE_CONSTANT_BLEND_COLOR" },
1284		{ 0x99, 0, 2, 2, "3DSTATE_DEFAULT_DIFFUSE" },
1285		{ 0x9a, 0, 2, 2, "3DSTATE_DEFAULT_SPECULAR" },
1286		{ 0x98, 0, 2, 2, "3DSTATE_DEFAULT_Z" },
1287		{ 0x97, 0, 2, 2, "3DSTATE_DEPTH_OFFSET_SCALE" },
1288		{ 0x9d, 0, 65, 65, "3DSTATE_FILTER_COEFFICIENTS_4X4" },
1289		{ 0x9e, 0, 4, 4, "3DSTATE_MONO_FILTER" },
1290		{ 0x89, 0, 4, 4, "3DSTATE_FOG_MODE" },
1291		{ 0x8f, 0, 2, 16, "3DSTATE_MAP_PALLETE_LOAD_32" },
1292		{ 0x83, 0, 2, 2, "3DSTATE_SPAN_STIPPLE" },
1293		{ 0x8c, 1, 2, 2, "3DSTATE_MAP_COORD_TRANSFORM_I830" },
1294		{ 0x8b, 1, 2, 2, "3DSTATE_MAP_VERTEX_TRANSFORM_I830" },
1295		{ 0x8d, 1, 3, 3, "3DSTATE_W_STATE_I830" },
1296		{ 0x01, 1, 2, 2, "3DSTATE_COLOR_FACTOR_I830" },
1297		{ 0x02, 1, 2, 2, "3DSTATE_MAP_COORD_SETBIND_I830"},
1298	}, *opcode_3d_1d;
1299
1300	opcode = (data[0] & 0x00ff0000) >> 16;
1301
1302	switch (opcode) {
1303	case 0x07:
1304		/* This instruction is unusual.  A 0 length means just
1305		 * 1 DWORD instead of 2.  The 0 length is specified in
1306		 * one place to be unsupported, but stated to be
1307		 * required in another, and 0 length LOAD_INDIRECTs
1308		 * appear to cause no harm at least.
1309		 */
1310		instr_out(ctx, 0, "3DSTATE_LOAD_INDIRECT\n");
1311		len = (data[0] & 0x000000ff) + 1;
1312		i = 1;
1313		if (data[0] & (0x01 << 8)) {
1314			instr_out(ctx, i++, "SIS.0\n");
1315			instr_out(ctx, i++, "SIS.1\n");
1316		}
1317		if (data[0] & (0x02 << 8)) {
1318			instr_out(ctx, i++, "DIS.0\n");
1319		}
1320		if (data[0] & (0x04 << 8)) {
1321			instr_out(ctx, i++, "SSB.0\n");
1322			instr_out(ctx, i++, "SSB.1\n");
1323		}
1324		if (data[0] & (0x08 << 8)) {
1325			instr_out(ctx, i++, "MSB.0\n");
1326			instr_out(ctx, i++, "MSB.1\n");
1327		}
1328		if (data[0] & (0x10 << 8)) {
1329			instr_out(ctx, i++, "PSP.0\n");
1330			instr_out(ctx, i++, "PSP.1\n");
1331		}
1332		if (data[0] & (0x20 << 8)) {
1333			instr_out(ctx, i++, "PSC.0\n");
1334			instr_out(ctx, i++, "PSC.1\n");
1335		}
1336		if (len != i) {
1337			fprintf(out, "Bad count in 3DSTATE_LOAD_INDIRECT\n");
1338			return len;
1339		}
1340		return len;
1341	case 0x04:
1342		instr_out(ctx, 0,
1343			  "3DSTATE_LOAD_STATE_IMMEDIATE_1\n");
1344		len = (data[0] & 0x0000000f) + 2;
1345		i = 1;
1346		for (word = 0; word <= 8; word++) {
1347			if (data[0] & (1 << (4 + word))) {
1348				/* save vertex state for decode */
1349				if (!IS_GEN2(devid)) {
1350					int tex_num;
1351
1352					if (word == 2) {
1353						saved_s2_set = 1;
1354						saved_s2 = data[i];
1355					}
1356					if (word == 4) {
1357						saved_s4_set = 1;
1358						saved_s4 = data[i];
1359					}
1360
1361					switch (word) {
1362					case 0:
1363						instr_out(ctx, i,
1364							  "S0: vbo offset: 0x%08x%s\n",
1365							  data[i] & (~1),
1366							  data[i] & 1 ?
1367							  ", auto cache invalidate disabled"
1368							  : "");
1369						break;
1370					case 1:
1371						instr_out(ctx, i,
1372							  "S1: vertex width: %i, vertex pitch: %i\n",
1373							  (data[i] >> 24) &
1374							  0x3f,
1375							  (data[i] >> 16) &
1376							  0x3f);
1377						break;
1378					case 2:
1379						instr_out(ctx, i,
1380							  "S2: texcoord formats: ");
1381						for (tex_num = 0;
1382						     tex_num < 8; tex_num++) {
1383							switch ((data[i] >>
1384								 tex_num *
1385								 4) & 0xf) {
1386							case 0:
1387								fprintf(out,
1388									"%i=2D ",
1389									tex_num);
1390								break;
1391							case 1:
1392								fprintf(out,
1393									"%i=3D ",
1394									tex_num);
1395								break;
1396							case 2:
1397								fprintf(out,
1398									"%i=4D ",
1399									tex_num);
1400								break;
1401							case 3:
1402								fprintf(out,
1403									"%i=1D ",
1404									tex_num);
1405								break;
1406							case 4:
1407								fprintf(out,
1408									"%i=2D_16 ",
1409									tex_num);
1410								break;
1411							case 5:
1412								fprintf(out,
1413									"%i=4D_16 ",
1414									tex_num);
1415								break;
1416							case 0xf:
1417								fprintf(out,
1418									"%i=NP ",
1419									tex_num);
1420								break;
1421							}
1422						}
1423						fprintf(out, "\n");
1424
1425						break;
1426					case 3:
1427						instr_out(ctx, i,
1428							  "S3: not documented\n");
1429						break;
1430					case 4:
1431						{
1432							const char *cullmode = "";
1433							const char *vfmt_xyzw = "";
1434							switch ((data[i] >> 13)
1435								& 0x3) {
1436							case 0:
1437								cullmode =
1438								    "both";
1439								break;
1440							case 1:
1441								cullmode =
1442								    "none";
1443								break;
1444							case 2:
1445								cullmode = "cw";
1446								break;
1447							case 3:
1448								cullmode =
1449								    "ccw";
1450								break;
1451							}
1452							switch (data[i] &
1453								(7 << 6 | 1 <<
1454								 2)) {
1455							case 1 << 6:
1456								vfmt_xyzw =
1457								    "XYZ,";
1458								break;
1459							case 2 << 6:
1460								vfmt_xyzw =
1461								    "XYZW,";
1462								break;
1463							case 3 << 6:
1464								vfmt_xyzw =
1465								    "XY,";
1466								break;
1467							case 4 << 6:
1468								vfmt_xyzw =
1469								    "XYW,";
1470								break;
1471							case 1 << 6 | 1 << 2:
1472								vfmt_xyzw =
1473								    "XYZF,";
1474								break;
1475							case 2 << 6 | 1 << 2:
1476								vfmt_xyzw =
1477								    "XYZWF,";
1478								break;
1479							case 3 << 6 | 1 << 2:
1480								vfmt_xyzw =
1481								    "XYF,";
1482								break;
1483							case 4 << 6 | 1 << 2:
1484								vfmt_xyzw =
1485								    "XYWF,";
1486								break;
1487							}
1488							instr_out(ctx, i,
1489								  "S4: point_width=%i, line_width=%.1f,"
1490								  "%s%s%s%s%s cullmode=%s, vfmt=%s%s%s%s%s%s "
1491								  "%s%s%s%s%s\n",
1492								  (data[i] >>
1493								   23) & 0x1ff,
1494								  ((data[i] >>
1495								    19) & 0xf) /
1496								  2.0,
1497								  data[i] & (0xf
1498									     <<
1499									     15)
1500								  ?
1501								  " flatshade="
1502								  : "",
1503								  data[i] & (1
1504									     <<
1505									     18)
1506								  ? "Alpha," :
1507								  "",
1508								  data[i] & (1
1509									     <<
1510									     17)
1511								  ? "Fog," : "",
1512								  data[i] & (1
1513									     <<
1514									     16)
1515								  ? "Specular,"
1516								  : "",
1517								  data[i] & (1
1518									     <<
1519									     15)
1520								  ? "Color," :
1521								  "", cullmode,
1522								  data[i] & (1
1523									     <<
1524									     12)
1525								  ?
1526								  "PointWidth,"
1527								  : "",
1528								  data[i] & (1
1529									     <<
1530									     11)
1531								  ? "SpecFog," :
1532								  "",
1533								  data[i] & (1
1534									     <<
1535									     10)
1536								  ? "Color," :
1537								  "",
1538								  data[i] & (1
1539									     <<
1540									     9)
1541								  ? "DepthOfs,"
1542								  : "",
1543								  vfmt_xyzw,
1544								  data[i] & (1
1545									     <<
1546									     9)
1547								  ? "FogParam,"
1548								  : "",
1549								  data[i] & (1
1550									     <<
1551									     5)
1552								  ?
1553								  "force default diffuse, "
1554								  : "",
1555								  data[i] & (1
1556									     <<
1557									     4)
1558								  ?
1559								  "force default specular, "
1560								  : "",
1561								  data[i] & (1
1562									     <<
1563									     3)
1564								  ?
1565								  "local depth ofs enable, "
1566								  : "",
1567								  data[i] & (1
1568									     <<
1569									     1)
1570								  ?
1571								  "point sprite enable, "
1572								  : "",
1573								  data[i] & (1
1574									     <<
1575									     0)
1576								  ?
1577								  "line AA enable, "
1578								  : "");
1579							break;
1580						}
1581					case 5:
1582						{
1583							instr_out(ctx, i,
1584								  "S5:%s%s%s%s%s"
1585								  "%s%s%s%s stencil_ref=0x%x, stencil_test=%s, "
1586								  "stencil_fail=%s, stencil_pass_z_fail=%s, "
1587								  "stencil_pass_z_pass=%s, %s%s%s%s\n",
1588								  data[i] & (0xf
1589									     <<
1590									     28)
1591								  ?
1592								  " write_disable="
1593								  : "",
1594								  data[i] & (1
1595									     <<
1596									     31)
1597								  ? "Alpha," :
1598								  "",
1599								  data[i] & (1
1600									     <<
1601									     30)
1602								  ? "Red," : "",
1603								  data[i] & (1
1604									     <<
1605									     29)
1606								  ? "Green," :
1607								  "",
1608								  data[i] & (1
1609									     <<
1610									     28)
1611								  ? "Blue," :
1612								  "",
1613								  data[i] & (1
1614									     <<
1615									     27)
1616								  ?
1617								  " force default point size,"
1618								  : "",
1619								  data[i] & (1
1620									     <<
1621									     26)
1622								  ?
1623								  " last pixel enable,"
1624								  : "",
1625								  data[i] & (1
1626									     <<
1627									     25)
1628								  ?
1629								  " global depth ofs enable,"
1630								  : "",
1631								  data[i] & (1
1632									     <<
1633									     24)
1634								  ?
1635								  " fog enable,"
1636								  : "",
1637								  (data[i] >>
1638								   16) & 0xff,
1639								  decode_compare_func
1640								  (data[i] >>
1641								   13),
1642								  decode_stencil_op
1643								  (data[i] >>
1644								   10),
1645								  decode_stencil_op
1646								  (data[i] >>
1647								   7),
1648								  decode_stencil_op
1649								  (data[i] >>
1650								   4),
1651								  data[i] & (1
1652									     <<
1653									     3)
1654								  ?
1655								  "stencil write enable, "
1656								  : "",
1657								  data[i] & (1
1658									     <<
1659									     2)
1660								  ?
1661								  "stencil test enable, "
1662								  : "",
1663								  data[i] & (1
1664									     <<
1665									     1)
1666								  ?
1667								  "color dither enable, "
1668								  : "",
1669								  data[i] & (1
1670									     <<
1671									     0)
1672								  ?
1673								  "logicop enable, "
1674								  : "");
1675						}
1676						break;
1677					case 6:
1678						instr_out(ctx, i,
1679							  "S6: %salpha_test=%s, alpha_ref=0x%x, "
1680							  "depth_test=%s, %ssrc_blnd_fct=%s, dst_blnd_fct=%s, "
1681							  "%s%stristrip_provoking_vertex=%i\n",
1682							  data[i] & (1 << 31) ?
1683							  "alpha test enable, "
1684							  : "",
1685							  decode_compare_func
1686							  (data[i] >> 28),
1687							  data[i] & (0xff <<
1688								     20),
1689							  decode_compare_func
1690							  (data[i] >> 16),
1691							  data[i] & (1 << 15) ?
1692							  "cbuf blend enable, "
1693							  : "",
1694							  decode_blend_fact(data
1695									    [i]
1696									    >>
1697									    8),
1698							  decode_blend_fact(data
1699									    [i]
1700									    >>
1701									    4),
1702							  data[i] & (1 << 3) ?
1703							  "depth write enable, "
1704							  : "",
1705							  data[i] & (1 << 2) ?
1706							  "cbuf write enable, "
1707							  : "",
1708							  data[i] & (0x3));
1709						break;
1710					case 7:
1711						instr_out(ctx, i,
1712							  "S7: depth offset constant: 0x%08x\n",
1713							  data[i]);
1714						break;
1715					}
1716				} else {
1717					instr_out(ctx, i,
1718						  "S%d: 0x%08x\n", word, data[i]);
1719				}
1720				i++;
1721			}
1722		}
1723		if (len != i) {
1724			fprintf(out,
1725				"Bad count in 3DSTATE_LOAD_STATE_IMMEDIATE_1\n");
1726		}
1727		return len;
1728	case 0x03:
1729		instr_out(ctx, 0,
1730			  "3DSTATE_LOAD_STATE_IMMEDIATE_2\n");
1731		len = (data[0] & 0x0000000f) + 2;
1732		i = 1;
1733		for (word = 6; word <= 14; word++) {
1734			if (data[0] & (1 << word)) {
1735				if (word == 6)
1736					instr_out(ctx, i++,
1737						  "TBCF\n");
1738				else if (word >= 7 && word <= 10) {
1739					instr_out(ctx, i++,
1740						  "TB%dC\n", word - 7);
1741					instr_out(ctx, i++,
1742						  "TB%dA\n", word - 7);
1743				} else if (word >= 11 && word <= 14) {
1744					instr_out(ctx, i,
1745						  "TM%dS0: offset=0x%08x, %s\n",
1746						  word - 11,
1747						  data[i] & 0xfffffffe,
1748						  data[i] & 1 ? "use fence" :
1749						  "");
1750					i++;
1751					instr_out(ctx, i,
1752						  "TM%dS1: height=%i, width=%i, %s\n",
1753						  word - 11, data[i] >> 21,
1754						  (data[i] >> 10) & 0x3ff,
1755						  data[i] & 2 ? (data[i] & 1 ?
1756								 "y-tiled" :
1757								 "x-tiled") :
1758						  "");
1759					i++;
1760					instr_out(ctx, i,
1761						  "TM%dS2: pitch=%i, \n",
1762						  word - 11,
1763						  ((data[i] >> 21) + 1) * 4);
1764					i++;
1765					instr_out(ctx, i++,
1766						  "TM%dS3\n", word - 11);
1767					instr_out(ctx, i++,
1768						  "TM%dS4: dflt color\n",
1769						  word - 11);
1770				}
1771			}
1772		}
1773		if (len != i) {
1774			fprintf(out,
1775				"Bad count in 3DSTATE_LOAD_STATE_IMMEDIATE_2\n");
1776		}
1777		return len;
1778	case 0x00:
1779		instr_out(ctx, 0, "3DSTATE_MAP_STATE\n");
1780		len = (data[0] & 0x0000003f) + 2;
1781		instr_out(ctx, 1, "mask\n");
1782
1783		i = 2;
1784		for (map = 0; map <= 15; map++) {
1785			if (data[1] & (1 << map)) {
1786				int width, height, pitch, dword;
1787				const char *tiling;
1788
1789				dword = data[i];
1790				instr_out(ctx, i++,
1791					  "map %d MS2 %s%s%s\n", map,
1792					  dword & (1 << 31) ?
1793					  "untrusted surface, " : "",
1794					  dword & (1 << 1) ?
1795					  "vertical line stride enable, " : "",
1796					  dword & (1 << 0) ?
1797					  "vertical ofs enable, " : "");
1798
1799				dword = data[i];
1800				width = ((dword >> 10) & ((1 << 11) - 1)) + 1;
1801				height = ((dword >> 21) & ((1 << 11) - 1)) + 1;
1802
1803				tiling = "none";
1804				if (dword & (1 << 2))
1805					tiling = "fenced";
1806				else if (dword & (1 << 1))
1807					tiling = dword & (1 << 0) ? "Y" : "X";
1808				type = " BAD";
1809				format = "BAD";
1810				switch ((dword >> 7) & 0x7) {
1811				case 1:
1812					type = "8b";
1813					switch ((dword >> 3) & 0xf) {
1814					case 0:
1815						format = "I";
1816						break;
1817					case 1:
1818						format = "L";
1819						break;
1820					case 4:
1821						format = "A";
1822						break;
1823					case 5:
1824						format = " mono";
1825						break;
1826					}
1827					break;
1828				case 2:
1829					type = "16b";
1830					switch ((dword >> 3) & 0xf) {
1831					case 0:
1832						format = " rgb565";
1833						break;
1834					case 1:
1835						format = " argb1555";
1836						break;
1837					case 2:
1838						format = " argb4444";
1839						break;
1840					case 5:
1841						format = " ay88";
1842						break;
1843					case 6:
1844						format = " bump655";
1845						break;
1846					case 7:
1847						format = "I";
1848						break;
1849					case 8:
1850						format = "L";
1851						break;
1852					case 9:
1853						format = "A";
1854						break;
1855					}
1856					break;
1857				case 3:
1858					type = "32b";
1859					switch ((dword >> 3) & 0xf) {
1860					case 0:
1861						format = " argb8888";
1862						break;
1863					case 1:
1864						format = " abgr8888";
1865						break;
1866					case 2:
1867						format = " xrgb8888";
1868						break;
1869					case 3:
1870						format = " xbgr8888";
1871						break;
1872					case 4:
1873						format = " qwvu8888";
1874						break;
1875					case 5:
1876						format = " axvu8888";
1877						break;
1878					case 6:
1879						format = " lxvu8888";
1880						break;
1881					case 7:
1882						format = " xlvu8888";
1883						break;
1884					case 8:
1885						format = " argb2101010";
1886						break;
1887					case 9:
1888						format = " abgr2101010";
1889						break;
1890					case 10:
1891						format = " awvu2101010";
1892						break;
1893					case 11:
1894						format = " gr1616";
1895						break;
1896					case 12:
1897						format = " vu1616";
1898						break;
1899					case 13:
1900						format = " xI824";
1901						break;
1902					case 14:
1903						format = " xA824";
1904						break;
1905					case 15:
1906						format = " xL824";
1907						break;
1908					}
1909					break;
1910				case 5:
1911					type = "422";
1912					switch ((dword >> 3) & 0xf) {
1913					case 0:
1914						format = " yuv_swapy";
1915						break;
1916					case 1:
1917						format = " yuv";
1918						break;
1919					case 2:
1920						format = " yuv_swapuv";
1921						break;
1922					case 3:
1923						format = " yuv_swapuvy";
1924						break;
1925					}
1926					break;
1927				case 6:
1928					type = "compressed";
1929					switch ((dword >> 3) & 0x7) {
1930					case 0:
1931						format = " dxt1";
1932						break;
1933					case 1:
1934						format = " dxt2_3";
1935						break;
1936					case 2:
1937						format = " dxt4_5";
1938						break;
1939					case 3:
1940						format = " fxt1";
1941						break;
1942					case 4:
1943						format = " dxt1_rb";
1944						break;
1945					}
1946					break;
1947				case 7:
1948					type = "4b indexed";
1949					switch ((dword >> 3) & 0xf) {
1950					case 7:
1951						format = " argb8888";
1952						break;
1953					}
1954					break;
1955				}
1956				dword = data[i];
1957				instr_out(ctx, i++,
1958					  "map %d MS3 [width=%d, height=%d, format=%s%s, tiling=%s%s]\n",
1959					  map, width, height, type, format,
1960					  tiling,
1961					  dword & (1 << 9) ? " palette select" :
1962					  "");
1963
1964				dword = data[i];
1965				pitch =
1966				    4 * (((dword >> 21) & ((1 << 11) - 1)) + 1);
1967				instr_out(ctx, i++,
1968					  "map %d MS4 [pitch=%d, max_lod=%i, vol_depth=%i, cube_face_ena=%x, %s]\n",
1969					  map, pitch, (dword >> 9) & 0x3f,
1970					  dword & 0xff, (dword >> 15) & 0x3f,
1971					  dword & (1 << 8) ? "miplayout legacy"
1972					  : "miplayout right");
1973			}
1974		}
1975		if (len != i) {
1976			fprintf(out, "Bad count in 3DSTATE_MAP_STATE\n");
1977			return len;
1978		}
1979		return len;
1980	case 0x06:
1981		instr_out(ctx, 0,
1982			  "3DSTATE_PIXEL_SHADER_CONSTANTS\n");
1983		len = (data[0] & 0x000000ff) + 2;
1984
1985		i = 2;
1986		for (c = 0; c <= 31; c++) {
1987			if (data[1] & (1 << c)) {
1988				instr_out(ctx, i, "C%d.X = %f\n", c,
1989					  int_as_float(data[i]));
1990				i++;
1991				instr_out(ctx, i, "C%d.Y = %f\n",
1992					  c, int_as_float(data[i]));
1993				i++;
1994				instr_out(ctx, i, "C%d.Z = %f\n",
1995					  c, int_as_float(data[i]));
1996				i++;
1997				instr_out(ctx, i, "C%d.W = %f\n",
1998					  c, int_as_float(data[i]));
1999				i++;
2000			}
2001		}
2002		if (len != i) {
2003			fprintf(out,
2004				"Bad count in 3DSTATE_PIXEL_SHADER_CONSTANTS\n");
2005		}
2006		return len;
2007	case 0x05:
2008		instr_out(ctx, 0, "3DSTATE_PIXEL_SHADER_PROGRAM\n");
2009		len = (data[0] & 0x000000ff) + 2;
2010		if ((len - 1) % 3 != 0 || len > 370) {
2011			fprintf(out,
2012				"Bad count in 3DSTATE_PIXEL_SHADER_PROGRAM\n");
2013		}
2014		i = 1;
2015		for (instr = 0; instr < (len - 1) / 3; instr++) {
2016			char instr_prefix[10];
2017
2018			sprintf(instr_prefix, "PS%03d", instr);
2019			i915_decode_instruction(ctx, i,
2020						instr_prefix);
2021			i += 3;
2022		}
2023		return len;
2024	case 0x01:
2025		if (IS_GEN2(devid))
2026			break;
2027		instr_out(ctx, 0, "3DSTATE_SAMPLER_STATE\n");
2028		instr_out(ctx, 1, "mask\n");
2029		len = (data[0] & 0x0000003f) + 2;
2030		i = 2;
2031		for (sampler = 0; sampler <= 15; sampler++) {
2032			if (data[1] & (1 << sampler)) {
2033				uint32_t dword;
2034				const char *mip_filter = "";
2035
2036				dword = data[i];
2037				switch ((dword >> 20) & 0x3) {
2038				case 0:
2039					mip_filter = "none";
2040					break;
2041				case 1:
2042					mip_filter = "nearest";
2043					break;
2044				case 3:
2045					mip_filter = "linear";
2046					break;
2047				}
2048				instr_out(ctx, i++,
2049					  "sampler %d SS2:%s%s%s "
2050					  "base_mip_level=%i, mip_filter=%s, mag_filter=%s, min_filter=%s "
2051					  "lod_bias=%.2f,%s max_aniso=%i, shadow_func=%s\n",
2052					  sampler,
2053					  dword & (1 << 31) ? " reverse gamma,"
2054					  : "",
2055					  dword & (1 << 30) ? " packed2planar,"
2056					  : "",
2057					  dword & (1 << 29) ?
2058					  " colorspace conversion," : "",
2059					  (dword >> 22) & 0x1f, mip_filter,
2060					  decode_sample_filter(dword >> 17),
2061					  decode_sample_filter(dword >> 14),
2062					  ((dword >> 5) & 0x1ff) / (0x10 * 1.0),
2063					  dword & (1 << 4) ? " shadow," : "",
2064					  dword & (1 << 3) ? 4 : 2,
2065					  decode_compare_func(dword));
2066				dword = data[i];
2067				instr_out(ctx, i++,
2068					  "sampler %d SS3: min_lod=%.2f,%s "
2069					  "tcmode_x=%s, tcmode_y=%s, tcmode_z=%s,%s texmap_idx=%i,%s\n",
2070					  sampler,
2071					  ((dword >> 24) & 0xff) / (0x10 * 1.0),
2072					  dword & (1 << 17) ?
2073					  " kill pixel enable," : "",
2074					  decode_tex_coord_mode(dword >> 12),
2075					  decode_tex_coord_mode(dword >> 9),
2076					  decode_tex_coord_mode(dword >> 6),
2077					  dword & (1 << 5) ?
2078					  " normalized coords," : "",
2079					  (dword >> 1) & 0xf,
2080					  dword & (1 << 0) ? " deinterlacer," :
2081					  "");
2082				dword = data[i];
2083				instr_out(ctx, i++,
2084					  "sampler %d SS4: border color\n",
2085					  sampler);
2086			}
2087		}
2088		if (len != i) {
2089			fprintf(out, "Bad count in 3DSTATE_SAMPLER_STATE\n");
2090		}
2091		return len;
2092	case 0x85:
2093		len = (data[0] & 0x0000000f) + 2;
2094
2095		if (len != 2)
2096			fprintf(out,
2097				"Bad count in 3DSTATE_DEST_BUFFER_VARIABLES\n");
2098
2099		instr_out(ctx, 0,
2100			  "3DSTATE_DEST_BUFFER_VARIABLES\n");
2101
2102		switch ((data[1] >> 8) & 0xf) {
2103		case 0x0:
2104			format = "g8";
2105			break;
2106		case 0x1:
2107			format = "x1r5g5b5";
2108			break;
2109		case 0x2:
2110			format = "r5g6b5";
2111			break;
2112		case 0x3:
2113			format = "a8r8g8b8";
2114			break;
2115		case 0x4:
2116			format = "ycrcb_swapy";
2117			break;
2118		case 0x5:
2119			format = "ycrcb_normal";
2120			break;
2121		case 0x6:
2122			format = "ycrcb_swapuv";
2123			break;
2124		case 0x7:
2125			format = "ycrcb_swapuvy";
2126			break;
2127		case 0x8:
2128			format = "a4r4g4b4";
2129			break;
2130		case 0x9:
2131			format = "a1r5g5b5";
2132			break;
2133		case 0xa:
2134			format = "a2r10g10b10";
2135			break;
2136		default:
2137			format = "BAD";
2138			break;
2139		}
2140		switch ((data[1] >> 2) & 0x3) {
2141		case 0x0:
2142			zformat = "u16";
2143			break;
2144		case 0x1:
2145			zformat = "f16";
2146			break;
2147		case 0x2:
2148			zformat = "u24x8";
2149			break;
2150		default:
2151			zformat = "BAD";
2152			break;
2153		}
2154		instr_out(ctx, 1,
2155			  "%s format, %s depth format, early Z %sabled\n",
2156			  format, zformat,
2157			  (data[1] & (1 << 31)) ? "en" : "dis");
2158		return len;
2159
2160	case 0x8e:
2161		{
2162			const char *name, *tiling;
2163
2164			len = (data[0] & 0x0000000f) + 2;
2165			if (len != 3)
2166				fprintf(out,
2167					"Bad count in 3DSTATE_BUFFER_INFO\n");
2168
2169			switch ((data[1] >> 24) & 0x7) {
2170			case 0x3:
2171				name = "color";
2172				break;
2173			case 0x7:
2174				name = "depth";
2175				break;
2176			default:
2177				name = "unknown";
2178				break;
2179			}
2180
2181			tiling = "none";
2182			if (data[1] & (1 << 23))
2183				tiling = "fenced";
2184			else if (data[1] & (1 << 22))
2185				tiling = data[1] & (1 << 21) ? "Y" : "X";
2186
2187			instr_out(ctx, 0, "3DSTATE_BUFFER_INFO\n");
2188			instr_out(ctx, 1,
2189				  "%s, tiling = %s, pitch=%d\n", name, tiling,
2190				  data[1] & 0xffff);
2191
2192			instr_out(ctx, 2, "address\n");
2193			return len;
2194		}
2195	case 0x81:
2196		len = (data[0] & 0x0000000f) + 2;
2197
2198		if (len != 3)
2199			fprintf(out,
2200				"Bad count in 3DSTATE_SCISSOR_RECTANGLE\n");
2201
2202		instr_out(ctx, 0, "3DSTATE_SCISSOR_RECTANGLE\n");
2203		instr_out(ctx, 1, "(%d,%d)\n",
2204			  data[1] & 0xffff, data[1] >> 16);
2205		instr_out(ctx, 2, "(%d,%d)\n",
2206			  data[2] & 0xffff, data[2] >> 16);
2207
2208		return len;
2209	case 0x80:
2210		len = (data[0] & 0x0000000f) + 2;
2211
2212		if (len != 5)
2213			fprintf(out,
2214				"Bad count in 3DSTATE_DRAWING_RECTANGLE\n");
2215
2216		instr_out(ctx, 0, "3DSTATE_DRAWING_RECTANGLE\n");
2217		instr_out(ctx, 1, "%s\n",
2218			  data[1] & (1 << 30) ? "depth ofs disabled " : "");
2219		instr_out(ctx, 2, "(%d,%d)\n",
2220			  data[2] & 0xffff, data[2] >> 16);
2221		instr_out(ctx, 3, "(%d,%d)\n",
2222			  data[3] & 0xffff, data[3] >> 16);
2223		instr_out(ctx, 4, "(%d,%d)\n",
2224			  data[4] & 0xffff, data[4] >> 16);
2225
2226		return len;
2227	case 0x9c:
2228		len = (data[0] & 0x0000000f) + 2;
2229
2230		if (len != 7)
2231			fprintf(out, "Bad count in 3DSTATE_CLEAR_PARAMETERS\n");
2232
2233		instr_out(ctx, 0, "3DSTATE_CLEAR_PARAMETERS\n");
2234		instr_out(ctx, 1, "prim_type=%s, clear=%s%s%s\n",
2235			  data[1] & (1 << 16) ? "CLEAR_RECT" : "ZONE_INIT",
2236			  data[1] & (1 << 2) ? "color," : "",
2237			  data[1] & (1 << 1) ? "depth," : "",
2238			  data[1] & (1 << 0) ? "stencil," : "");
2239		instr_out(ctx, 2, "clear color\n");
2240		instr_out(ctx, 3, "clear depth/stencil\n");
2241		instr_out(ctx, 4, "color value (rgba8888)\n");
2242		instr_out(ctx, 5, "depth value %f\n",
2243			  int_as_float(data[5]));
2244		instr_out(ctx, 6, "clear stencil\n");
2245		return len;
2246	}
2247
2248	for (idx = 0; idx < ARRAY_SIZE(opcodes_3d_1d); idx++) {
2249		opcode_3d_1d = &opcodes_3d_1d[idx];
2250		if (opcode_3d_1d->i830_only && !IS_GEN2(devid))
2251			continue;
2252
2253		if (((data[0] & 0x00ff0000) >> 16) == opcode_3d_1d->opcode) {
2254			len = 1;
2255
2256			instr_out(ctx, 0, "%s\n",
2257				  opcode_3d_1d->name);
2258			if (opcode_3d_1d->max_len > 1) {
2259				len = (data[0] & 0x0000ffff) + 2;
2260				if (len < opcode_3d_1d->min_len ||
2261				    len > opcode_3d_1d->max_len) {
2262					fprintf(out, "Bad count in %s\n",
2263						opcode_3d_1d->name);
2264				}
2265			}
2266
2267			for (i = 1; i < len; i++) {
2268				instr_out(ctx, i, "dword %d\n", i);
2269			}
2270
2271			return len;
2272		}
2273	}
2274
2275	instr_out(ctx, 0, "3D UNKNOWN: 3d_1d opcode = 0x%x\n",
2276		  opcode);
2277	return 1;
2278}
2279
2280static int
2281decode_3d_primitive(struct drm_intel_decode *ctx)
2282{
2283	uint32_t *data = ctx->data;
2284	uint32_t count = ctx->count;
2285	char immediate = (data[0] & (1 << 23)) == 0;
2286	unsigned int len, i, j, ret;
2287	const char *primtype;
2288	int original_s2 = saved_s2;
2289	int original_s4 = saved_s4;
2290
2291	switch ((data[0] >> 18) & 0xf) {
2292	case 0x0:
2293		primtype = "TRILIST";
2294		break;
2295	case 0x1:
2296		primtype = "TRISTRIP";
2297		break;
2298	case 0x2:
2299		primtype = "TRISTRIP_REVERSE";
2300		break;
2301	case 0x3:
2302		primtype = "TRIFAN";
2303		break;
2304	case 0x4:
2305		primtype = "POLYGON";
2306		break;
2307	case 0x5:
2308		primtype = "LINELIST";
2309		break;
2310	case 0x6:
2311		primtype = "LINESTRIP";
2312		break;
2313	case 0x7:
2314		primtype = "RECTLIST";
2315		break;
2316	case 0x8:
2317		primtype = "POINTLIST";
2318		break;
2319	case 0x9:
2320		primtype = "DIB";
2321		break;
2322	case 0xa:
2323		primtype = "CLEAR_RECT";
2324		saved_s4 = 3 << 6;
2325		saved_s2 = ~0;
2326		break;
2327	default:
2328		primtype = "unknown";
2329		break;
2330	}
2331
2332	/* XXX: 3DPRIM_DIB not supported */
2333	if (immediate) {
2334		len = (data[0] & 0x0003ffff) + 2;
2335		instr_out(ctx, 0, "3DPRIMITIVE inline %s\n",
2336			  primtype);
2337		if (count < len)
2338			BUFFER_FAIL(count, len, "3DPRIMITIVE inline");
2339		if (!saved_s2_set || !saved_s4_set) {
2340			fprintf(out, "unknown vertex format\n");
2341			for (i = 1; i < len; i++) {
2342				instr_out(ctx, i,
2343					  "           vertex data (%f float)\n",
2344					  int_as_float(data[i]));
2345			}
2346		} else {
2347			unsigned int vertex = 0;
2348			for (i = 1; i < len;) {
2349				unsigned int tc;
2350
2351#define VERTEX_OUT(fmt, ...) do {					\
2352    if (i < len)							\
2353	instr_out(ctx, i, " V%d."fmt"\n", vertex, __VA_ARGS__); \
2354    else								\
2355	fprintf(out, " missing data in V%d\n", vertex);			\
2356    i++;								\
2357} while (0)
2358
2359				VERTEX_OUT("X = %f", int_as_float(data[i]));
2360				VERTEX_OUT("Y = %f", int_as_float(data[i]));
2361				switch (saved_s4 >> 6 & 0x7) {
2362				case 0x1:
2363					VERTEX_OUT("Z = %f",
2364						   int_as_float(data[i]));
2365					break;
2366				case 0x2:
2367					VERTEX_OUT("Z = %f",
2368						   int_as_float(data[i]));
2369					VERTEX_OUT("W = %f",
2370						   int_as_float(data[i]));
2371					break;
2372				case 0x3:
2373					break;
2374				case 0x4:
2375					VERTEX_OUT("W = %f",
2376						   int_as_float(data[i]));
2377					break;
2378				default:
2379					fprintf(out, "bad S4 position mask\n");
2380				}
2381
2382				if (saved_s4 & (1 << 10)) {
2383					VERTEX_OUT
2384					    ("color = (A=0x%02x, R=0x%02x, G=0x%02x, "
2385					     "B=0x%02x)", data[i] >> 24,
2386					     (data[i] >> 16) & 0xff,
2387					     (data[i] >> 8) & 0xff,
2388					     data[i] & 0xff);
2389				}
2390				if (saved_s4 & (1 << 11)) {
2391					VERTEX_OUT
2392					    ("spec = (A=0x%02x, R=0x%02x, G=0x%02x, "
2393					     "B=0x%02x)", data[i] >> 24,
2394					     (data[i] >> 16) & 0xff,
2395					     (data[i] >> 8) & 0xff,
2396					     data[i] & 0xff);
2397				}
2398				if (saved_s4 & (1 << 12))
2399					VERTEX_OUT("width = 0x%08x)", data[i]);
2400
2401				for (tc = 0; tc <= 7; tc++) {
2402					switch ((saved_s2 >> (tc * 4)) & 0xf) {
2403					case 0x0:
2404						VERTEX_OUT("T%d.X = %f", tc,
2405							   int_as_float(data
2406									[i]));
2407						VERTEX_OUT("T%d.Y = %f", tc,
2408							   int_as_float(data
2409									[i]));
2410						break;
2411					case 0x1:
2412						VERTEX_OUT("T%d.X = %f", tc,
2413							   int_as_float(data
2414									[i]));
2415						VERTEX_OUT("T%d.Y = %f", tc,
2416							   int_as_float(data
2417									[i]));
2418						VERTEX_OUT("T%d.Z = %f", tc,
2419							   int_as_float(data
2420									[i]));
2421						break;
2422					case 0x2:
2423						VERTEX_OUT("T%d.X = %f", tc,
2424							   int_as_float(data
2425									[i]));
2426						VERTEX_OUT("T%d.Y = %f", tc,
2427							   int_as_float(data
2428									[i]));
2429						VERTEX_OUT("T%d.Z = %f", tc,
2430							   int_as_float(data
2431									[i]));
2432						VERTEX_OUT("T%d.W = %f", tc,
2433							   int_as_float(data
2434									[i]));
2435						break;
2436					case 0x3:
2437						VERTEX_OUT("T%d.X = %f", tc,
2438							   int_as_float(data
2439									[i]));
2440						break;
2441					case 0x4:
2442						VERTEX_OUT
2443						    ("T%d.XY = 0x%08x half-float",
2444						     tc, data[i]);
2445						break;
2446					case 0x5:
2447						VERTEX_OUT
2448						    ("T%d.XY = 0x%08x half-float",
2449						     tc, data[i]);
2450						VERTEX_OUT
2451						    ("T%d.ZW = 0x%08x half-float",
2452						     tc, data[i]);
2453						break;
2454					case 0xf:
2455						break;
2456					default:
2457						fprintf(out,
2458							"bad S2.T%d format\n",
2459							tc);
2460					}
2461				}
2462				vertex++;
2463			}
2464		}
2465
2466		ret = len;
2467	} else {
2468		/* indirect vertices */
2469		len = data[0] & 0x0000ffff;	/* index count */
2470		if (data[0] & (1 << 17)) {
2471			/* random vertex access */
2472			if (count < (len + 1) / 2 + 1) {
2473				BUFFER_FAIL(count, (len + 1) / 2 + 1,
2474					    "3DPRIMITIVE random indirect");
2475			}
2476			instr_out(ctx, 0,
2477				  "3DPRIMITIVE random indirect %s (%d)\n",
2478				  primtype, len);
2479			if (len == 0) {
2480				/* vertex indices continue until 0xffff is
2481				 * found
2482				 */
2483				for (i = 1; i < count; i++) {
2484					if ((data[i] & 0xffff) == 0xffff) {
2485						instr_out(ctx, i,
2486							  "    indices: (terminator)\n");
2487						ret = i;
2488						goto out;
2489					} else if ((data[i] >> 16) == 0xffff) {
2490						instr_out(ctx, i,
2491							  "    indices: 0x%04x, (terminator)\n",
2492							  data[i] & 0xffff);
2493						ret = i;
2494						goto out;
2495					} else {
2496						instr_out(ctx, i,
2497							  "    indices: 0x%04x, 0x%04x\n",
2498							  data[i] & 0xffff,
2499							  data[i] >> 16);
2500					}
2501				}
2502				fprintf(out,
2503					"3DPRIMITIVE: no terminator found in index buffer\n");
2504				ret = count;
2505				goto out;
2506			} else {
2507				/* fixed size vertex index buffer */
2508				for (j = 1, i = 0; i < len; i += 2, j++) {
2509					if (i * 2 == len - 1) {
2510						instr_out(ctx, j,
2511							  "    indices: 0x%04x\n",
2512							  data[j] & 0xffff);
2513					} else {
2514						instr_out(ctx, j,
2515							  "    indices: 0x%04x, 0x%04x\n",
2516							  data[j] & 0xffff,
2517							  data[j] >> 16);
2518					}
2519				}
2520			}
2521			ret = (len + 1) / 2 + 1;
2522			goto out;
2523		} else {
2524			/* sequential vertex access */
2525			instr_out(ctx, 0,
2526				  "3DPRIMITIVE sequential indirect %s, %d starting from "
2527				  "%d\n", primtype, len, data[1] & 0xffff);
2528			instr_out(ctx, 1, "           start\n");
2529			ret = 2;
2530			goto out;
2531		}
2532	}
2533
2534out:
2535	saved_s2 = original_s2;
2536	saved_s4 = original_s4;
2537	return ret;
2538}
2539
2540static int
2541decode_3d(struct drm_intel_decode *ctx)
2542{
2543	uint32_t opcode;
2544	unsigned int idx;
2545	uint32_t *data = ctx->data;
2546
2547	struct {
2548		uint32_t opcode;
2549		unsigned int min_len;
2550		unsigned int max_len;
2551		const char *name;
2552	} opcodes_3d[] = {
2553		{ 0x06, 1, 1, "3DSTATE_ANTI_ALIASING" },
2554		{ 0x08, 1, 1, "3DSTATE_BACKFACE_STENCIL_OPS" },
2555		{ 0x09, 1, 1, "3DSTATE_BACKFACE_STENCIL_MASKS" },
2556		{ 0x16, 1, 1, "3DSTATE_COORD_SET_BINDINGS" },
2557		{ 0x15, 1, 1, "3DSTATE_FOG_COLOR" },
2558		{ 0x0b, 1, 1, "3DSTATE_INDEPENDENT_ALPHA_BLEND" },
2559		{ 0x0d, 1, 1, "3DSTATE_MODES_4" },
2560		{ 0x0c, 1, 1, "3DSTATE_MODES_5" },
2561		{ 0x07, 1, 1, "3DSTATE_RASTERIZATION_RULES"},
2562	}, *opcode_3d;
2563
2564	opcode = (data[0] & 0x1f000000) >> 24;
2565
2566	switch (opcode) {
2567	case 0x1f:
2568		return decode_3d_primitive(ctx);
2569	case 0x1d:
2570		return decode_3d_1d(ctx);
2571	case 0x1c:
2572		return decode_3d_1c(ctx);
2573	}
2574
2575	for (idx = 0; idx < ARRAY_SIZE(opcodes_3d); idx++) {
2576		opcode_3d = &opcodes_3d[idx];
2577		if (opcode == opcode_3d->opcode) {
2578			unsigned int len = 1, i;
2579
2580			instr_out(ctx, 0, "%s\n", opcode_3d->name);
2581			if (opcode_3d->max_len > 1) {
2582				len = (data[0] & 0xff) + 2;
2583				if (len < opcode_3d->min_len ||
2584				    len > opcode_3d->max_len) {
2585					fprintf(out, "Bad count in %s\n",
2586						opcode_3d->name);
2587				}
2588			}
2589
2590			for (i = 1; i < len; i++) {
2591				instr_out(ctx, i, "dword %d\n", i);
2592			}
2593			return len;
2594		}
2595	}
2596
2597	instr_out(ctx, 0, "3D UNKNOWN: 3d opcode = 0x%x\n", opcode);
2598	return 1;
2599}
2600
2601static const char *get_965_surfacetype(unsigned int surfacetype)
2602{
2603	switch (surfacetype) {
2604	case 0:
2605		return "1D";
2606	case 1:
2607		return "2D";
2608	case 2:
2609		return "3D";
2610	case 3:
2611		return "CUBE";
2612	case 4:
2613		return "BUFFER";
2614	case 7:
2615		return "NULL";
2616	default:
2617		return "unknown";
2618	}
2619}
2620
2621static const char *get_965_depthformat(unsigned int depthformat)
2622{
2623	switch (depthformat) {
2624	case 0:
2625		return "s8_z24float";
2626	case 1:
2627		return "z32float";
2628	case 2:
2629		return "z24s8";
2630	case 5:
2631		return "z16";
2632	default:
2633		return "unknown";
2634	}
2635}
2636
2637static const char *get_965_element_component(uint32_t data, int component)
2638{
2639	uint32_t component_control = (data >> (16 + (3 - component) * 4)) & 0x7;
2640
2641	switch (component_control) {
2642	case 0:
2643		return "nostore";
2644	case 1:
2645		switch (component) {
2646		case 0:
2647			return "X";
2648		case 1:
2649			return "Y";
2650		case 2:
2651			return "Z";
2652		case 3:
2653			return "W";
2654		default:
2655			return "fail";
2656		}
2657	case 2:
2658		return "0.0";
2659	case 3:
2660		return "1.0";
2661	case 4:
2662		return "0x1";
2663	case 5:
2664		return "VID";
2665	default:
2666		return "fail";
2667	}
2668}
2669
2670static const char *get_965_prim_type(uint32_t primtype)
2671{
2672	switch (primtype) {
2673	case 0x01:
2674		return "point list";
2675	case 0x02:
2676		return "line list";
2677	case 0x03:
2678		return "line strip";
2679	case 0x04:
2680		return "tri list";
2681	case 0x05:
2682		return "tri strip";
2683	case 0x06:
2684		return "tri fan";
2685	case 0x07:
2686		return "quad list";
2687	case 0x08:
2688		return "quad strip";
2689	case 0x09:
2690		return "line list adj";
2691	case 0x0a:
2692		return "line strip adj";
2693	case 0x0b:
2694		return "tri list adj";
2695	case 0x0c:
2696		return "tri strip adj";
2697	case 0x0d:
2698		return "tri strip reverse";
2699	case 0x0e:
2700		return "polygon";
2701	case 0x0f:
2702		return "rect list";
2703	case 0x10:
2704		return "line loop";
2705	case 0x11:
2706		return "point list bf";
2707	case 0x12:
2708		return "line strip cont";
2709	case 0x13:
2710		return "line strip bf";
2711	case 0x14:
2712		return "line strip cont bf";
2713	case 0x15:
2714		return "tri fan no stipple";
2715	default:
2716		return "fail";
2717	}
2718}
2719
2720static int
2721i965_decode_urb_fence(struct drm_intel_decode *ctx, int len)
2722{
2723	uint32_t vs_fence, clip_fence, gs_fence, sf_fence, vfe_fence, cs_fence;
2724	uint32_t *data = ctx->data;
2725
2726	if (len != 3)
2727		fprintf(out, "Bad count in URB_FENCE\n");
2728
2729	vs_fence = data[1] & 0x3ff;
2730	gs_fence = (data[1] >> 10) & 0x3ff;
2731	clip_fence = (data[1] >> 20) & 0x3ff;
2732	sf_fence = data[2] & 0x3ff;
2733	vfe_fence = (data[2] >> 10) & 0x3ff;
2734	cs_fence = (data[2] >> 20) & 0x7ff;
2735
2736	instr_out(ctx, 0, "URB_FENCE: %s%s%s%s%s%s\n",
2737		  (data[0] >> 13) & 1 ? "cs " : "",
2738		  (data[0] >> 12) & 1 ? "vfe " : "",
2739		  (data[0] >> 11) & 1 ? "sf " : "",
2740		  (data[0] >> 10) & 1 ? "clip " : "",
2741		  (data[0] >> 9) & 1 ? "gs " : "",
2742		  (data[0] >> 8) & 1 ? "vs " : "");
2743	instr_out(ctx, 1,
2744		  "vs fence: %d, clip_fence: %d, gs_fence: %d\n",
2745		  vs_fence, clip_fence, gs_fence);
2746	instr_out(ctx, 2,
2747		  "sf fence: %d, vfe_fence: %d, cs_fence: %d\n",
2748		  sf_fence, vfe_fence, cs_fence);
2749	if (gs_fence < vs_fence)
2750		fprintf(out, "gs fence < vs fence!\n");
2751	if (clip_fence < gs_fence)
2752		fprintf(out, "clip fence < gs fence!\n");
2753	if (sf_fence < clip_fence)
2754		fprintf(out, "sf fence < clip fence!\n");
2755	if (cs_fence < sf_fence)
2756		fprintf(out, "cs fence < sf fence!\n");
2757
2758	return len;
2759}
2760
2761static void
2762state_base_out(struct drm_intel_decode *ctx, unsigned int index,
2763	       const char *name)
2764{
2765	if (ctx->data[index] & 1) {
2766		instr_out(ctx, index,
2767			  "%s state base address 0x%08x\n", name,
2768			  ctx->data[index] & ~1);
2769	} else {
2770		instr_out(ctx, index, "%s state base not updated\n",
2771			  name);
2772	}
2773}
2774
2775static void
2776state_max_out(struct drm_intel_decode *ctx, unsigned int index,
2777	      const char *name)
2778{
2779	if (ctx->data[index] & 1) {
2780		if (ctx->data[index] == 1) {
2781			instr_out(ctx, index,
2782				  "%s state upper bound disabled\n", name);
2783		} else {
2784			instr_out(ctx, index,
2785				  "%s state upper bound 0x%08x\n", name,
2786				  ctx->data[index] & ~1);
2787		}
2788	} else {
2789		instr_out(ctx, index,
2790			  "%s state upper bound not updated\n", name);
2791	}
2792}
2793
2794static int
2795gen7_3DSTATE_VIEWPORT_STATE_POINTERS_CC(struct drm_intel_decode *ctx)
2796{
2797	instr_out(ctx, 0, "3DSTATE_VIEWPORT_STATE_POINTERS_CC\n");
2798	instr_out(ctx, 1, "pointer to CC viewport\n");
2799
2800	return 2;
2801}
2802
2803static int
2804gen7_3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP(struct drm_intel_decode *ctx)
2805{
2806	instr_out(ctx, 0, "3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP\n");
2807	instr_out(ctx, 1, "pointer to SF_CLIP viewport\n");
2808
2809	return 2;
2810}
2811
2812static int
2813gen7_3DSTATE_BLEND_STATE_POINTERS(struct drm_intel_decode *ctx)
2814{
2815	instr_out(ctx, 0, "3DSTATE_BLEND_STATE_POINTERS\n");
2816	instr_out(ctx, 1, "pointer to BLEND_STATE at 0x%08x (%s)\n",
2817		  ctx->data[1] & ~1,
2818		  (ctx->data[1] & 1) ? "changed" : "unchanged");
2819
2820	return 2;
2821}
2822
2823static int
2824gen7_3DSTATE_DEPTH_STENCIL_STATE_POINTERS(struct drm_intel_decode *ctx)
2825{
2826	instr_out(ctx, 0, "3DSTATE_DEPTH_STENCIL_STATE_POINTERS\n");
2827	instr_out(ctx, 1,
2828		  "pointer to DEPTH_STENCIL_STATE at 0x%08x (%s)\n",
2829		  ctx->data[1] & ~1,
2830		  (ctx->data[1] & 1) ? "changed" : "unchanged");
2831
2832	return 2;
2833}
2834
2835static int
2836gen7_3DSTATE_HIER_DEPTH_BUFFER(struct drm_intel_decode *ctx)
2837{
2838	instr_out(ctx, 0, "3DSTATE_HIER_DEPTH_BUFFER\n");
2839	instr_out(ctx, 1, "pitch %db\n",
2840		  (ctx->data[1] & 0x1ffff) + 1);
2841	instr_out(ctx, 2, "pointer to HiZ buffer\n");
2842
2843	return 3;
2844}
2845
2846static int
2847gen6_3DSTATE_CC_STATE_POINTERS(struct drm_intel_decode *ctx)
2848{
2849	instr_out(ctx, 0, "3DSTATE_CC_STATE_POINTERS\n");
2850	instr_out(ctx, 1, "blend change %d\n", ctx->data[1] & 1);
2851	instr_out(ctx, 2, "depth stencil change %d\n",
2852		  ctx->data[2] & 1);
2853	instr_out(ctx, 3, "cc change %d\n", ctx->data[3] & 1);
2854
2855	return 4;
2856}
2857
2858static int
2859gen7_3DSTATE_CC_STATE_POINTERS(struct drm_intel_decode *ctx)
2860{
2861	instr_out(ctx, 0, "3DSTATE_CC_STATE_POINTERS\n");
2862	instr_out(ctx, 1, "pointer to COLOR_CALC_STATE at 0x%08x "
2863		  "(%s)\n",
2864		  ctx->data[1] & ~1,
2865		  (ctx->data[1] & 1) ? "changed" : "unchanged");
2866
2867	return 2;
2868}
2869
2870static int
2871gen7_3DSTATE_URB_unit(struct drm_intel_decode *ctx, const char *unit)
2872{
2873    int start_kb = ((ctx->data[1] >> 25) & 0x3f) * 8;
2874    /* the field is # of 512-bit rows - 1, we print bytes */
2875    int entry_size = (((ctx->data[1] >> 16) & 0x1ff) + 1);
2876    int nr_entries = ctx->data[1] & 0xffff;
2877
2878    instr_out(ctx, 0, "3DSTATE_URB_%s\n", unit);
2879    instr_out(ctx, 1,
2880	      "%dKB start, size=%d 64B rows, nr_entries=%d, total size %dB\n",
2881	      start_kb, entry_size, nr_entries, nr_entries * 64 * entry_size);
2882
2883    return 2;
2884}
2885
2886static int
2887gen7_3DSTATE_URB_VS(struct drm_intel_decode *ctx)
2888{
2889	return gen7_3DSTATE_URB_unit(ctx, "VS");
2890}
2891
2892static int
2893gen7_3DSTATE_URB_HS(struct drm_intel_decode *ctx)
2894{
2895	return gen7_3DSTATE_URB_unit(ctx, "HS");
2896}
2897
2898static int
2899gen7_3DSTATE_URB_DS(struct drm_intel_decode *ctx)
2900{
2901	return gen7_3DSTATE_URB_unit(ctx, "DS");
2902}
2903
2904static int
2905gen7_3DSTATE_URB_GS(struct drm_intel_decode *ctx)
2906{
2907	return gen7_3DSTATE_URB_unit(ctx, "GS");
2908}
2909
2910static int
2911gen7_3DSTATE_CONSTANT(struct drm_intel_decode *ctx, const char *unit)
2912{
2913	int rlen[4];
2914
2915	rlen[0] = (ctx->data[1] >> 0) & 0xffff;
2916	rlen[1] = (ctx->data[1] >> 16) & 0xffff;
2917	rlen[2] = (ctx->data[2] >> 0) & 0xffff;
2918	rlen[3] = (ctx->data[2] >> 16) & 0xffff;
2919
2920	instr_out(ctx, 0, "3DSTATE_CONSTANT_%s\n", unit);
2921	instr_out(ctx, 1, "len 0 = %d, len 1 = %d\n", rlen[0], rlen[1]);
2922	instr_out(ctx, 2, "len 2 = %d, len 3 = %d\n", rlen[2], rlen[3]);
2923	instr_out(ctx, 3, "pointer to constbuf 0\n");
2924	instr_out(ctx, 4, "pointer to constbuf 1\n");
2925	instr_out(ctx, 5, "pointer to constbuf 2\n");
2926	instr_out(ctx, 6, "pointer to constbuf 3\n");
2927
2928	return 7;
2929}
2930
2931static int
2932gen7_3DSTATE_CONSTANT_VS(struct drm_intel_decode *ctx)
2933{
2934	return gen7_3DSTATE_CONSTANT(ctx, "VS");
2935}
2936
2937static int
2938gen7_3DSTATE_CONSTANT_GS(struct drm_intel_decode *ctx)
2939{
2940	return gen7_3DSTATE_CONSTANT(ctx, "GS");
2941}
2942
2943static int
2944gen7_3DSTATE_CONSTANT_PS(struct drm_intel_decode *ctx)
2945{
2946	return gen7_3DSTATE_CONSTANT(ctx, "PS");
2947}
2948
2949static int
2950gen7_3DSTATE_CONSTANT_DS(struct drm_intel_decode *ctx)
2951{
2952	return gen7_3DSTATE_CONSTANT(ctx, "DS");
2953}
2954
2955static int
2956gen7_3DSTATE_CONSTANT_HS(struct drm_intel_decode *ctx)
2957{
2958	return gen7_3DSTATE_CONSTANT(ctx, "HS");
2959}
2960
2961
2962static int
2963gen6_3DSTATE_WM(struct drm_intel_decode *ctx)
2964{
2965	instr_out(ctx, 0, "3DSTATE_WM\n");
2966	instr_out(ctx, 1, "kernel start pointer 0\n");
2967	instr_out(ctx, 2,
2968		  "SPF=%d, VME=%d, Sampler Count %d, "
2969		  "Binding table count %d\n",
2970		  (ctx->data[2] >> 31) & 1,
2971		  (ctx->data[2] >> 30) & 1,
2972		  (ctx->data[2] >> 27) & 7,
2973		  (ctx->data[2] >> 18) & 0xff);
2974	instr_out(ctx, 3, "scratch offset\n");
2975	instr_out(ctx, 4,
2976		  "Depth Clear %d, Depth Resolve %d, HiZ Resolve %d, "
2977		  "Dispatch GRF start[0] %d, start[1] %d, start[2] %d\n",
2978		  (ctx->data[4] & (1 << 30)) != 0,
2979		  (ctx->data[4] & (1 << 28)) != 0,
2980		  (ctx->data[4] & (1 << 27)) != 0,
2981		  (ctx->data[4] >> 16) & 0x7f,
2982		  (ctx->data[4] >> 8) & 0x7f,
2983		  (ctx->data[4] & 0x7f));
2984	instr_out(ctx, 5,
2985		  "MaxThreads %d, PS KillPixel %d, PS computed Z %d, "
2986		  "PS use sourceZ %d, Thread Dispatch %d, PS use sourceW %d, "
2987		  "Dispatch32 %d, Dispatch16 %d, Dispatch8 %d\n",
2988		  ((ctx->data[5] >> 25) & 0x7f) + 1,
2989		  (ctx->data[5] & (1 << 22)) != 0,
2990		  (ctx->data[5] & (1 << 21)) != 0,
2991		  (ctx->data[5] & (1 << 20)) != 0,
2992		  (ctx->data[5] & (1 << 19)) != 0,
2993		  (ctx->data[5] & (1 << 8)) != 0,
2994		  (ctx->data[5] & (1 << 2)) != 0,
2995		  (ctx->data[5] & (1 << 1)) != 0,
2996		  (ctx->data[5] & (1 << 0)) != 0);
2997	instr_out(ctx, 6,
2998		  "Num SF output %d, Pos XY offset %d, ZW interp mode %d , "
2999		  "Barycentric interp mode 0x%x, Point raster rule %d, "
3000		  "Multisample mode %d, "
3001		  "Multisample Dispatch mode %d\n",
3002		  (ctx->data[6] >> 20) & 0x3f,
3003		  (ctx->data[6] >> 18) & 3,
3004		  (ctx->data[6] >> 16) & 3,
3005		  (ctx->data[6] >> 10) & 0x3f,
3006		  (ctx->data[6] & (1 << 9)) != 0,
3007		  (ctx->data[6] >> 1) & 3,
3008		  (ctx->data[6] & 1));
3009	instr_out(ctx, 7, "kernel start pointer 1\n");
3010	instr_out(ctx, 8, "kernel start pointer 2\n");
3011
3012	return 9;
3013}
3014
3015static int
3016gen7_3DSTATE_WM(struct drm_intel_decode *ctx)
3017{
3018	const char *computed_depth = "";
3019	const char *early_depth = "";
3020	const char *zw_interp = "";
3021
3022	switch ((ctx->data[1] >> 23) & 0x3) {
3023	case 0:
3024		computed_depth = "";
3025		break;
3026	case 1:
3027		computed_depth = "computed depth";
3028		break;
3029	case 2:
3030		computed_depth = "computed depth >=";
3031		break;
3032	case 3:
3033		computed_depth = "computed depth <=";
3034		break;
3035	}
3036
3037	switch ((ctx->data[1] >> 21) & 0x3) {
3038	case 0:
3039		early_depth = "";
3040		break;
3041	case 1:
3042		early_depth = ", EDSC_PSEXEC";
3043		break;
3044	case 2:
3045		early_depth = ", EDSC_PREPS";
3046		break;
3047	case 3:
3048		early_depth = ", BAD EDSC";
3049		break;
3050	}
3051
3052	switch ((ctx->data[1] >> 17) & 0x3) {
3053	case 0:
3054		early_depth = "";
3055		break;
3056	case 1:
3057		early_depth = ", BAD ZW interp";
3058		break;
3059	case 2:
3060		early_depth = ", ZW centroid";
3061		break;
3062	case 3:
3063		early_depth = ", ZW sample";
3064		break;
3065	}
3066
3067	instr_out(ctx, 0, "3DSTATE_WM\n");
3068	instr_out(ctx, 1, "(%s%s%s%s%s%s)%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
3069		  (ctx->data[1] & (1 << 11)) ? "PP " : "",
3070		  (ctx->data[1] & (1 << 12)) ? "PC " : "",
3071		  (ctx->data[1] & (1 << 13)) ? "PS " : "",
3072		  (ctx->data[1] & (1 << 14)) ? "NPP " : "",
3073		  (ctx->data[1] & (1 << 15)) ? "NPC " : "",
3074		  (ctx->data[1] & (1 << 16)) ? "NPS " : "",
3075		  (ctx->data[1] & (1 << 30)) ? ", depth clear" : "",
3076		  (ctx->data[1] & (1 << 29)) ? "" : ", disabled",
3077		  (ctx->data[1] & (1 << 28)) ? ", depth resolve" : "",
3078		  (ctx->data[1] & (1 << 27)) ? ", hiz resolve" : "",
3079		  (ctx->data[1] & (1 << 25)) ? ", kill" : "",
3080		  computed_depth,
3081		  early_depth,
3082		  zw_interp,
3083		  (ctx->data[1] & (1 << 20)) ? ", source depth" : "",
3084		  (ctx->data[1] & (1 << 19)) ? ", source W" : "",
3085		  (ctx->data[1] & (1 << 10)) ? ", coverage" : "",
3086		  (ctx->data[1] & (1 << 4)) ? ", poly stipple" : "",
3087		  (ctx->data[1] & (1 << 3)) ? ", line stipple" : "",
3088		  (ctx->data[1] & (1 << 2)) ? ", point UL" : ", point UR"
3089		  );
3090	instr_out(ctx, 2, "MS\n");
3091
3092	return 3;
3093}
3094
3095static int
3096gen4_3DPRIMITIVE(struct drm_intel_decode *ctx)
3097{
3098	instr_out(ctx, 0,
3099		  "3DPRIMITIVE: %s %s\n",
3100		  get_965_prim_type((ctx->data[0] >> 10) & 0x1f),
3101		  (ctx->data[0] & (1 << 15)) ? "random" : "sequential");
3102	instr_out(ctx, 1, "vertex count\n");
3103	instr_out(ctx, 2, "start vertex\n");
3104	instr_out(ctx, 3, "instance count\n");
3105	instr_out(ctx, 4, "start instance\n");
3106	instr_out(ctx, 5, "index bias\n");
3107
3108	return 6;
3109}
3110
3111static int
3112gen7_3DPRIMITIVE(struct drm_intel_decode *ctx)
3113{
3114	bool indirect = !!(ctx->data[0] & (1 << 10));
3115
3116	instr_out(ctx, 0,
3117		  "3DPRIMITIVE: %s%s\n",
3118		  indirect ? " indirect" : "",
3119		  (ctx->data[0] & (1 << 8)) ? " predicated" : "");
3120	instr_out(ctx, 1, "%s %s\n",
3121		  get_965_prim_type(ctx->data[1] & 0x3f),
3122		  (ctx->data[1] & (1 << 8)) ? "random" : "sequential");
3123	instr_out(ctx, 2, indirect ? "ignored" : "vertex count\n");
3124	instr_out(ctx, 3, indirect ? "ignored" : "start vertex\n");
3125	instr_out(ctx, 4, indirect ? "ignored" : "instance count\n");
3126	instr_out(ctx, 5, indirect ? "ignored" : "start instance\n");
3127	instr_out(ctx, 6, indirect ? "ignored" : "index bias\n");
3128
3129	return 7;
3130}
3131
3132static int
3133decode_3d_965(struct drm_intel_decode *ctx)
3134{
3135	uint32_t opcode;
3136	unsigned int len;
3137	unsigned int i, j, sba_len;
3138	const char *desc1 = NULL;
3139	uint32_t *data = ctx->data;
3140	uint32_t devid = ctx->devid;
3141
3142	struct {
3143		uint32_t opcode;
3144		uint32_t len_mask;
3145		int unsigned min_len;
3146		int unsigned max_len;
3147		const char *name;
3148		int gen;
3149		int (*func)(struct drm_intel_decode *ctx);
3150	} opcodes_3d[] = {
3151		{ 0x6000, 0x00ff, 3, 3, "URB_FENCE" },
3152		{ 0x6001, 0xffff, 2, 2, "CS_URB_STATE" },
3153		{ 0x6002, 0x00ff, 2, 2, "CONSTANT_BUFFER" },
3154		{ 0x6101, 0xffff, 6, 10, "STATE_BASE_ADDRESS" },
3155		{ 0x6102, 0xffff, 2, 2, "STATE_SIP" },
3156		{ 0x6104, 0xffff, 1, 1, "3DSTATE_PIPELINE_SELECT" },
3157		{ 0x680b, 0xffff, 1, 1, "3DSTATE_VF_STATISTICS" },
3158		{ 0x6904, 0xffff, 1, 1, "3DSTATE_PIPELINE_SELECT" },
3159		{ 0x7800, 0xffff, 7, 7, "3DSTATE_PIPELINED_POINTERS" },
3160		{ 0x7801, 0x00ff, 4, 6, "3DSTATE_BINDING_TABLE_POINTERS" },
3161		{ 0x7802, 0x00ff, 4, 4, "3DSTATE_SAMPLER_STATE_POINTERS" },
3162		{ 0x7805, 0x00ff, 7, 7, "3DSTATE_DEPTH_BUFFER", 7 },
3163		{ 0x7805, 0x00ff, 3, 3, "3DSTATE_URB" },
3164		{ 0x7804, 0x00ff, 3, 3, "3DSTATE_CLEAR_PARAMS" },
3165		{ 0x7806, 0x00ff, 3, 3, "3DSTATE_STENCIL_BUFFER" },
3166		{ 0x790f, 0x00ff, 3, 3, "3DSTATE_HIER_DEPTH_BUFFER", 6 },
3167		{ 0x7807, 0x00ff, 3, 3, "3DSTATE_HIER_DEPTH_BUFFER", 7, gen7_3DSTATE_HIER_DEPTH_BUFFER },
3168		{ 0x7808, 0x00ff, 5, 257, "3DSTATE_VERTEX_BUFFERS" },
3169		{ 0x7809, 0x00ff, 3, 256, "3DSTATE_VERTEX_ELEMENTS" },
3170		{ 0x780a, 0x00ff, 3, 3, "3DSTATE_INDEX_BUFFER" },
3171		{ 0x780b, 0xffff, 1, 1, "3DSTATE_VF_STATISTICS" },
3172		{ 0x780d, 0x00ff, 4, 4, "3DSTATE_VIEWPORT_STATE_POINTERS" },
3173		{ 0x780e, 0xffff, 4, 4, NULL, 6, gen6_3DSTATE_CC_STATE_POINTERS },
3174		{ 0x780e, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_CC_STATE_POINTERS },
3175		{ 0x780f, 0x00ff, 2, 2, "3DSTATE_SCISSOR_POINTERS" },
3176		{ 0x7810, 0x00ff, 6, 6, "3DSTATE_VS" },
3177		{ 0x7811, 0x00ff, 7, 7, "3DSTATE_GS" },
3178		{ 0x7812, 0x00ff, 4, 4, "3DSTATE_CLIP" },
3179		{ 0x7813, 0x00ff, 20, 20, "3DSTATE_SF", 6 },
3180		{ 0x7813, 0x00ff, 7, 7, "3DSTATE_SF", 7 },
3181		{ 0x7814, 0x00ff, 3, 3, "3DSTATE_WM", 7, gen7_3DSTATE_WM },
3182		{ 0x7814, 0x00ff, 9, 9, "3DSTATE_WM", 6, gen6_3DSTATE_WM },
3183		{ 0x7815, 0x00ff, 5, 5, "3DSTATE_CONSTANT_VS_STATE", 6 },
3184		{ 0x7815, 0x00ff, 7, 7, "3DSTATE_CONSTANT_VS", 7, gen7_3DSTATE_CONSTANT_VS },
3185		{ 0x7816, 0x00ff, 5, 5, "3DSTATE_CONSTANT_GS_STATE", 6 },
3186		{ 0x7816, 0x00ff, 7, 7, "3DSTATE_CONSTANT_GS", 7, gen7_3DSTATE_CONSTANT_GS },
3187		{ 0x7817, 0x00ff, 5, 5, "3DSTATE_CONSTANT_PS_STATE", 6 },
3188		{ 0x7817, 0x00ff, 7, 7, "3DSTATE_CONSTANT_PS", 7, gen7_3DSTATE_CONSTANT_PS },
3189		{ 0x7818, 0xffff, 2, 2, "3DSTATE_SAMPLE_MASK" },
3190		{ 0x7819, 0x00ff, 7, 7, "3DSTATE_CONSTANT_HS", 7, gen7_3DSTATE_CONSTANT_HS },
3191		{ 0x781a, 0x00ff, 7, 7, "3DSTATE_CONSTANT_DS", 7, gen7_3DSTATE_CONSTANT_DS },
3192		{ 0x781b, 0x00ff, 7, 7, "3DSTATE_HS" },
3193		{ 0x781c, 0x00ff, 4, 4, "3DSTATE_TE" },
3194		{ 0x781d, 0x00ff, 6, 6, "3DSTATE_DS" },
3195		{ 0x781e, 0x00ff, 3, 3, "3DSTATE_STREAMOUT" },
3196		{ 0x781f, 0x00ff, 14, 14, "3DSTATE_SBE" },
3197		{ 0x7820, 0x00ff, 8, 8, "3DSTATE_PS" },
3198		{ 0x7821, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP },
3199		{ 0x7823, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_VIEWPORT_STATE_POINTERS_CC },
3200		{ 0x7824, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_BLEND_STATE_POINTERS },
3201		{ 0x7825, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_DEPTH_STENCIL_STATE_POINTERS },
3202		{ 0x7826, 0x00ff, 2, 2, "3DSTATE_BINDING_TABLE_POINTERS_VS" },
3203		{ 0x7827, 0x00ff, 2, 2, "3DSTATE_BINDING_TABLE_POINTERS_HS" },
3204		{ 0x7828, 0x00ff, 2, 2, "3DSTATE_BINDING_TABLE_POINTERS_DS" },
3205		{ 0x7829, 0x00ff, 2, 2, "3DSTATE_BINDING_TABLE_POINTERS_GS" },
3206		{ 0x782a, 0x00ff, 2, 2, "3DSTATE_BINDING_TABLE_POINTERS_PS" },
3207		{ 0x782b, 0x00ff, 2, 2, "3DSTATE_SAMPLER_STATE_POINTERS_VS" },
3208		{ 0x782c, 0x00ff, 2, 2, "3DSTATE_SAMPLER_STATE_POINTERS_HS" },
3209		{ 0x782d, 0x00ff, 2, 2, "3DSTATE_SAMPLER_STATE_POINTERS_DS" },
3210		{ 0x782e, 0x00ff, 2, 2, "3DSTATE_SAMPLER_STATE_POINTERS_GS" },
3211		{ 0x782f, 0x00ff, 2, 2, "3DSTATE_SAMPLER_STATE_POINTERS_PS" },
3212		{ 0x7830, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_URB_VS },
3213		{ 0x7831, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_URB_HS },
3214		{ 0x7832, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_URB_DS },
3215		{ 0x7833, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_URB_GS },
3216		{ 0x7900, 0xffff, 4, 4, "3DSTATE_DRAWING_RECTANGLE" },
3217		{ 0x7901, 0xffff, 5, 5, "3DSTATE_CONSTANT_COLOR" },
3218		{ 0x7905, 0xffff, 5, 7, "3DSTATE_DEPTH_BUFFER" },
3219		{ 0x7906, 0xffff, 2, 2, "3DSTATE_POLY_STIPPLE_OFFSET" },
3220		{ 0x7907, 0xffff, 33, 33, "3DSTATE_POLY_STIPPLE_PATTERN" },
3221		{ 0x7908, 0xffff, 3, 3, "3DSTATE_LINE_STIPPLE" },
3222		{ 0x7909, 0xffff, 2, 2, "3DSTATE_GLOBAL_DEPTH_OFFSET_CLAMP" },
3223		{ 0x7909, 0xffff, 2, 2, "3DSTATE_CLEAR_PARAMS" },
3224		{ 0x790a, 0xffff, 3, 3, "3DSTATE_AA_LINE_PARAMETERS" },
3225		{ 0x790b, 0xffff, 4, 4, "3DSTATE_GS_SVB_INDEX" },
3226		{ 0x790d, 0xffff, 3, 3, "3DSTATE_MULTISAMPLE", 6 },
3227		{ 0x790d, 0xffff, 4, 4, "3DSTATE_MULTISAMPLE", 7 },
3228		{ 0x7910, 0x00ff, 2, 2, "3DSTATE_CLEAR_PARAMS" },
3229		{ 0x7912, 0x00ff, 2, 2, "3DSTATE_PUSH_CONSTANT_ALLOC_VS" },
3230		{ 0x7913, 0x00ff, 2, 2, "3DSTATE_PUSH_CONSTANT_ALLOC_HS" },
3231		{ 0x7914, 0x00ff, 2, 2, "3DSTATE_PUSH_CONSTANT_ALLOC_DS" },
3232		{ 0x7915, 0x00ff, 2, 2, "3DSTATE_PUSH_CONSTANT_ALLOC_GS" },
3233		{ 0x7916, 0x00ff, 2, 2, "3DSTATE_PUSH_CONSTANT_ALLOC_PS" },
3234		{ 0x7917, 0x00ff, 2, 2+128*2, "3DSTATE_SO_DECL_LIST" },
3235		{ 0x7918, 0x00ff, 4, 4, "3DSTATE_SO_BUFFER" },
3236		{ 0x7a00, 0x00ff, 4, 6, "PIPE_CONTROL" },
3237		{ 0x7b00, 0x00ff, 7, 7, NULL, 7, gen7_3DPRIMITIVE },
3238		{ 0x7b00, 0x00ff, 6, 6, NULL, 0, gen4_3DPRIMITIVE },
3239	}, *opcode_3d = NULL;
3240
3241	opcode = (data[0] & 0xffff0000) >> 16;
3242
3243	for (i = 0; i < ARRAY_SIZE(opcodes_3d); i++) {
3244		if (opcode != opcodes_3d[i].opcode)
3245			continue;
3246
3247		/* If it's marked as not our gen, skip. */
3248		if (opcodes_3d[i].gen && opcodes_3d[i].gen != ctx->gen)
3249			continue;
3250
3251		opcode_3d = &opcodes_3d[i];
3252		break;
3253	}
3254
3255	if (opcode_3d) {
3256		if (opcode_3d->max_len == 1)
3257			len = 1;
3258		else
3259			len = (data[0] & opcode_3d->len_mask) + 2;
3260
3261		if (len < opcode_3d->min_len ||
3262		    len > opcode_3d->max_len) {
3263			fprintf(out, "Bad length %d in %s, expected %d-%d\n",
3264				len, opcode_3d->name,
3265				opcode_3d->min_len, opcode_3d->max_len);
3266		}
3267	} else {
3268		len = (data[0] & 0x0000ffff) + 2;
3269	}
3270
3271	switch (opcode) {
3272	case 0x6000:
3273		return i965_decode_urb_fence(ctx, len);
3274	case 0x6001:
3275		instr_out(ctx, 0, "CS_URB_STATE\n");
3276		instr_out(ctx, 1,
3277			  "entry_size: %d [%d bytes], n_entries: %d\n",
3278			  (data[1] >> 4) & 0x1f,
3279			  (((data[1] >> 4) & 0x1f) + 1) * 64, data[1] & 0x7);
3280		return len;
3281	case 0x6002:
3282		instr_out(ctx, 0, "CONSTANT_BUFFER: %s\n",
3283			  (data[0] >> 8) & 1 ? "valid" : "invalid");
3284		instr_out(ctx, 1,
3285			  "offset: 0x%08x, length: %d bytes\n", data[1] & ~0x3f,
3286			  ((data[1] & 0x3f) + 1) * 64);
3287		return len;
3288	case 0x6101:
3289		i = 0;
3290		instr_out(ctx, 0, "STATE_BASE_ADDRESS\n");
3291		i++;
3292
3293		if (IS_GEN6(devid) || IS_GEN7(devid))
3294			sba_len = 10;
3295		else if (IS_GEN5(devid))
3296			sba_len = 8;
3297		else
3298			sba_len = 6;
3299		if (len != sba_len)
3300			fprintf(out, "Bad count in STATE_BASE_ADDRESS\n");
3301
3302		state_base_out(ctx, i++, "general");
3303		state_base_out(ctx, i++, "surface");
3304		if (IS_GEN6(devid) || IS_GEN7(devid))
3305			state_base_out(ctx, i++, "dynamic");
3306		state_base_out(ctx, i++, "indirect");
3307		if (IS_GEN5(devid) || IS_GEN6(devid) || IS_GEN7(devid))
3308			state_base_out(ctx, i++, "instruction");
3309
3310		state_max_out(ctx, i++, "general");
3311		if (IS_GEN6(devid) || IS_GEN7(devid))
3312			state_max_out(ctx, i++, "dynamic");
3313		state_max_out(ctx, i++, "indirect");
3314		if (IS_GEN5(devid) || IS_GEN6(devid) || IS_GEN7(devid))
3315			state_max_out(ctx, i++, "instruction");
3316
3317		return len;
3318	case 0x7800:
3319		instr_out(ctx, 0, "3DSTATE_PIPELINED_POINTERS\n");
3320		instr_out(ctx, 1, "VS state\n");
3321		instr_out(ctx, 2, "GS state\n");
3322		instr_out(ctx, 3, "Clip state\n");
3323		instr_out(ctx, 4, "SF state\n");
3324		instr_out(ctx, 5, "WM state\n");
3325		instr_out(ctx, 6, "CC state\n");
3326		return len;
3327	case 0x7801:
3328		if (len != 6 && len != 4)
3329			fprintf(out,
3330				"Bad count in 3DSTATE_BINDING_TABLE_POINTERS\n");
3331		if (len == 6) {
3332			instr_out(ctx, 0,
3333				  "3DSTATE_BINDING_TABLE_POINTERS\n");
3334			instr_out(ctx, 1, "VS binding table\n");
3335			instr_out(ctx, 2, "GS binding table\n");
3336			instr_out(ctx, 3, "Clip binding table\n");
3337			instr_out(ctx, 4, "SF binding table\n");
3338			instr_out(ctx, 5, "WM binding table\n");
3339		} else {
3340			instr_out(ctx, 0,
3341				  "3DSTATE_BINDING_TABLE_POINTERS: VS mod %d, "
3342				  "GS mod %d, PS mod %d\n",
3343				  (data[0] & (1 << 8)) != 0,
3344				  (data[0] & (1 << 9)) != 0,
3345				  (data[0] & (1 << 12)) != 0);
3346			instr_out(ctx, 1, "VS binding table\n");
3347			instr_out(ctx, 2, "GS binding table\n");
3348			instr_out(ctx, 3, "WM binding table\n");
3349		}
3350
3351		return len;
3352	case 0x7802:
3353		instr_out(ctx, 0,
3354			  "3DSTATE_SAMPLER_STATE_POINTERS: VS mod %d, "
3355			  "GS mod %d, PS mod %d\n", (data[0] & (1 << 8)) != 0,
3356			  (data[0] & (1 << 9)) != 0,
3357			  (data[0] & (1 << 12)) != 0);
3358		instr_out(ctx, 1, "VS sampler state\n");
3359		instr_out(ctx, 2, "GS sampler state\n");
3360		instr_out(ctx, 3, "WM sampler state\n");
3361		return len;
3362	case 0x7805:
3363		/* Actually 3DSTATE_DEPTH_BUFFER on gen7. */
3364		if (ctx->gen == 7)
3365			break;
3366
3367		instr_out(ctx, 0, "3DSTATE_URB\n");
3368		instr_out(ctx, 1,
3369			  "VS entries %d, alloc size %d (1024bit row)\n",
3370			  data[1] & 0xffff, ((data[1] >> 16) & 0x07f) + 1);
3371		instr_out(ctx, 2,
3372			  "GS entries %d, alloc size %d (1024bit row)\n",
3373			  (data[2] >> 8) & 0x3ff, (data[2] & 7) + 1);
3374		return len;
3375
3376	case 0x7808:
3377		if ((len - 1) % 4 != 0)
3378			fprintf(out, "Bad count in 3DSTATE_VERTEX_BUFFERS\n");
3379		instr_out(ctx, 0, "3DSTATE_VERTEX_BUFFERS\n");
3380
3381		for (i = 1; i < len;) {
3382			int idx, access;
3383			if (IS_GEN6(devid)) {
3384				idx = 26;
3385				access = 20;
3386			} else {
3387				idx = 27;
3388				access = 26;
3389			}
3390			instr_out(ctx, i,
3391				  "buffer %d: %s, pitch %db\n", data[i] >> idx,
3392				  data[i] & (1 << access) ? "random" :
3393				  "sequential", data[i] & 0x07ff);
3394			i++;
3395			instr_out(ctx, i++, "buffer address\n");
3396			instr_out(ctx, i++, "max index\n");
3397			instr_out(ctx, i++, "mbz\n");
3398		}
3399		return len;
3400
3401	case 0x7809:
3402		if ((len + 1) % 2 != 0)
3403			fprintf(out, "Bad count in 3DSTATE_VERTEX_ELEMENTS\n");
3404		instr_out(ctx, 0, "3DSTATE_VERTEX_ELEMENTS\n");
3405
3406		for (i = 1; i < len;) {
3407			instr_out(ctx, i,
3408				  "buffer %d: %svalid, type 0x%04x, "
3409				  "src offset 0x%04x bytes\n",
3410				  data[i] >> ((IS_GEN6(devid) || IS_GEN7(devid)) ? 26 : 27),
3411				  data[i] & (1 << ((IS_GEN6(devid) || IS_GEN7(devid)) ? 25 : 26)) ?
3412				  "" : "in", (data[i] >> 16) & 0x1ff,
3413				  data[i] & 0x07ff);
3414			i++;
3415			instr_out(ctx, i, "(%s, %s, %s, %s), "
3416				  "dst offset 0x%02x bytes\n",
3417				  get_965_element_component(data[i], 0),
3418				  get_965_element_component(data[i], 1),
3419				  get_965_element_component(data[i], 2),
3420				  get_965_element_component(data[i], 3),
3421				  (data[i] & 0xff) * 4);
3422			i++;
3423		}
3424		return len;
3425
3426	case 0x780d:
3427		instr_out(ctx, 0,
3428			  "3DSTATE_VIEWPORT_STATE_POINTERS\n");
3429		instr_out(ctx, 1, "clip\n");
3430		instr_out(ctx, 2, "sf\n");
3431		instr_out(ctx, 3, "cc\n");
3432		return len;
3433
3434	case 0x780a:
3435		instr_out(ctx, 0, "3DSTATE_INDEX_BUFFER\n");
3436		instr_out(ctx, 1, "beginning buffer address\n");
3437		instr_out(ctx, 2, "ending buffer address\n");
3438		return len;
3439
3440	case 0x780f:
3441		instr_out(ctx, 0, "3DSTATE_SCISSOR_POINTERS\n");
3442		instr_out(ctx, 1, "scissor rect offset\n");
3443		return len;
3444
3445	case 0x7810:
3446		instr_out(ctx, 0, "3DSTATE_VS\n");
3447		instr_out(ctx, 1, "kernel pointer\n");
3448		instr_out(ctx, 2,
3449			  "SPF=%d, VME=%d, Sampler Count %d, "
3450			  "Binding table count %d\n", (data[2] >> 31) & 1,
3451			  (data[2] >> 30) & 1, (data[2] >> 27) & 7,
3452			  (data[2] >> 18) & 0xff);
3453		instr_out(ctx, 3, "scratch offset\n");
3454		instr_out(ctx, 4,
3455			  "Dispatch GRF start %d, VUE read length %d, "
3456			  "VUE read offset %d\n", (data[4] >> 20) & 0x1f,
3457			  (data[4] >> 11) & 0x3f, (data[4] >> 4) & 0x3f);
3458		instr_out(ctx, 5,
3459			  "Max Threads %d, Vertex Cache %sable, "
3460			  "VS func %sable\n", ((data[5] >> 25) & 0x7f) + 1,
3461			  (data[5] & (1 << 1)) != 0 ? "dis" : "en",
3462			  (data[5] & 1) != 0 ? "en" : "dis");
3463		return len;
3464
3465	case 0x7811:
3466		instr_out(ctx, 0, "3DSTATE_GS\n");
3467		instr_out(ctx, 1, "kernel pointer\n");
3468		instr_out(ctx, 2,
3469			  "SPF=%d, VME=%d, Sampler Count %d, "
3470			  "Binding table count %d\n", (data[2] >> 31) & 1,
3471			  (data[2] >> 30) & 1, (data[2] >> 27) & 7,
3472			  (data[2] >> 18) & 0xff);
3473		instr_out(ctx, 3, "scratch offset\n");
3474		instr_out(ctx, 4,
3475			  "Dispatch GRF start %d, VUE read length %d, "
3476			  "VUE read offset %d\n", (data[4] & 0xf),
3477			  (data[4] >> 11) & 0x3f, (data[4] >> 4) & 0x3f);
3478		instr_out(ctx, 5,
3479			  "Max Threads %d, Rendering %sable\n",
3480			  ((data[5] >> 25) & 0x7f) + 1,
3481			  (data[5] & (1 << 8)) != 0 ? "en" : "dis");
3482		instr_out(ctx, 6,
3483			  "Reorder %sable, Discard Adjaceny %sable, "
3484			  "GS %sable\n",
3485			  (data[6] & (1 << 30)) != 0 ? "en" : "dis",
3486			  (data[6] & (1 << 29)) != 0 ? "en" : "dis",
3487			  (data[6] & (1 << 15)) != 0 ? "en" : "dis");
3488		return len;
3489
3490	case 0x7812:
3491		instr_out(ctx, 0, "3DSTATE_CLIP\n");
3492		instr_out(ctx, 1,
3493			  "UserClip distance cull test mask 0x%x\n",
3494			  data[1] & 0xff);
3495		instr_out(ctx, 2,
3496			  "Clip %sable, API mode %s, Viewport XY test %sable, "
3497			  "Viewport Z test %sable, Guardband test %sable, Clip mode %d, "
3498			  "Perspective Divide %sable, Non-Perspective Barycentric %sable, "
3499			  "Tri Provoking %d, Line Provoking %d, Trifan Provoking %d\n",
3500			  (data[2] & (1 << 31)) != 0 ? "en" : "dis",
3501			  (data[2] & (1 << 30)) != 0 ? "D3D" : "OGL",
3502			  (data[2] & (1 << 28)) != 0 ? "en" : "dis",
3503			  (data[2] & (1 << 27)) != 0 ? "en" : "dis",
3504			  (data[2] & (1 << 26)) != 0 ? "en" : "dis",
3505			  (data[2] >> 13) & 7,
3506			  (data[2] & (1 << 9)) != 0 ? "dis" : "en",
3507			  (data[2] & (1 << 8)) != 0 ? "en" : "dis",
3508			  (data[2] >> 4) & 3, (data[2] >> 2) & 3,
3509			  (data[2] & 3));
3510		instr_out(ctx, 3,
3511			  "Min PointWidth %d, Max PointWidth %d, "
3512			  "Force Zero RTAIndex %sable, Max VPIndex %d\n",
3513			  (data[3] >> 17) & 0x7ff, (data[3] >> 6) & 0x7ff,
3514			  (data[3] & (1 << 5)) != 0 ? "en" : "dis",
3515			  (data[3] & 0xf));
3516		return len;
3517
3518	case 0x7813:
3519		if (ctx->gen == 7)
3520			break;
3521
3522		instr_out(ctx, 0, "3DSTATE_SF\n");
3523		instr_out(ctx, 1,
3524			  "Attrib Out %d, Attrib Swizzle %sable, VUE read length %d, "
3525			  "VUE read offset %d\n", (data[1] >> 22) & 0x3f,
3526			  (data[1] & (1 << 21)) != 0 ? "en" : "dis",
3527			  (data[1] >> 11) & 0x1f, (data[1] >> 4) & 0x3f);
3528		instr_out(ctx, 2,
3529			  "Legacy Global DepthBias %sable, FrontFace fill %d, BF fill %d, "
3530			  "VP transform %sable, FrontWinding_%s\n",
3531			  (data[2] & (1 << 11)) != 0 ? "en" : "dis",
3532			  (data[2] >> 5) & 3, (data[2] >> 3) & 3,
3533			  (data[2] & (1 << 1)) != 0 ? "en" : "dis",
3534			  (data[2] & 1) != 0 ? "CCW" : "CW");
3535		instr_out(ctx, 3,
3536			  "AA %sable, CullMode %d, Scissor %sable, Multisample m ode %d\n",
3537			  (data[3] & (1 << 31)) != 0 ? "en" : "dis",
3538			  (data[3] >> 29) & 3,
3539			  (data[3] & (1 << 11)) != 0 ? "en" : "dis",
3540			  (data[3] >> 8) & 3);
3541		instr_out(ctx, 4,
3542			  "Last Pixel %sable, SubPixel Precision %d, Use PixelWidth %d\n",
3543			  (data[4] & (1 << 31)) != 0 ? "en" : "dis",
3544			  (data[4] & (1 << 12)) != 0 ? 4 : 8,
3545			  (data[4] & (1 << 11)) != 0);
3546		instr_out(ctx, 5,
3547			  "Global Depth Offset Constant %f\n",
3548			  *(float *)(&data[5]));
3549		instr_out(ctx, 6, "Global Depth Offset Scale %f\n",
3550			  *(float *)(&data[6]));
3551		instr_out(ctx, 7, "Global Depth Offset Clamp %f\n",
3552			  *(float *)(&data[7]));
3553
3554		for (i = 0, j = 0; i < 8; i++, j += 2)
3555			instr_out(ctx, i + 8,
3556				  "Attrib %d (Override %s%s%s%s, Const Source %d, Swizzle Select %d, "
3557				  "Source %d); Attrib %d (Override %s%s%s%s, Const Source %d, Swizzle Select %d, Source %d)\n",
3558				  j + 1,
3559				  (data[8 + i] & (1 << 31)) != 0 ? "W" : "",
3560				  (data[8 + i] & (1 << 30)) != 0 ? "Z" : "",
3561				  (data[8 + i] & (1 << 29)) != 0 ? "Y" : "",
3562				  (data[8 + i] & (1 << 28)) != 0 ? "X" : "",
3563				  (data[8 + i] >> 25) & 3,
3564				  (data[8 + i] >> 22) & 3,
3565				  (data[8 + i] >> 16) & 0x1f, j,
3566				  (data[8 + i] & (1 << 15)) != 0 ? "W" : "",
3567				  (data[8 + i] & (1 << 14)) != 0 ? "Z" : "",
3568				  (data[8 + i] & (1 << 13)) != 0 ? "Y" : "",
3569				  (data[8 + i] & (1 << 12)) != 0 ? "X" : "",
3570				  (data[8 + i] >> 9) & 3,
3571				  (data[8 + i] >> 6) & 3, (data[8 + i] & 0x1f));
3572		instr_out(ctx, 16,
3573			  "Point Sprite TexCoord Enable\n");
3574		instr_out(ctx, 17, "Const Interp Enable\n");
3575		instr_out(ctx, 18,
3576			  "Attrib 7-0 WrapShortest Enable\n");
3577		instr_out(ctx, 19,
3578			  "Attrib 15-8 WrapShortest Enable\n");
3579
3580		return len;
3581
3582	case 0x7900:
3583		instr_out(ctx, 0, "3DSTATE_DRAWING_RECTANGLE\n");
3584		instr_out(ctx, 1, "top left: %d,%d\n",
3585			  data[1] & 0xffff, (data[1] >> 16) & 0xffff);
3586		instr_out(ctx, 2, "bottom right: %d,%d\n",
3587			  data[2] & 0xffff, (data[2] >> 16) & 0xffff);
3588		instr_out(ctx, 3, "origin: %d,%d\n",
3589			  (int)data[3] & 0xffff, ((int)data[3] >> 16) & 0xffff);
3590
3591		return len;
3592
3593	case 0x7905:
3594		instr_out(ctx, 0, "3DSTATE_DEPTH_BUFFER\n");
3595		if (IS_GEN5(devid) || IS_GEN6(devid))
3596			instr_out(ctx, 1,
3597				  "%s, %s, pitch = %d bytes, %stiled, HiZ %d, Separate Stencil %d\n",
3598				  get_965_surfacetype(data[1] >> 29),
3599				  get_965_depthformat((data[1] >> 18) & 0x7),
3600				  (data[1] & 0x0001ffff) + 1,
3601				  data[1] & (1 << 27) ? "" : "not ",
3602				  (data[1] & (1 << 22)) != 0,
3603				  (data[1] & (1 << 21)) != 0);
3604		else
3605			instr_out(ctx, 1,
3606				  "%s, %s, pitch = %d bytes, %stiled\n",
3607				  get_965_surfacetype(data[1] >> 29),
3608				  get_965_depthformat((data[1] >> 18) & 0x7),
3609				  (data[1] & 0x0001ffff) + 1,
3610				  data[1] & (1 << 27) ? "" : "not ");
3611		instr_out(ctx, 2, "depth offset\n");
3612		instr_out(ctx, 3, "%dx%d\n",
3613			  ((data[3] & 0x0007ffc0) >> 6) + 1,
3614			  ((data[3] & 0xfff80000) >> 19) + 1);
3615		instr_out(ctx, 4, "volume depth\n");
3616		if (len >= 6)
3617			instr_out(ctx, 5, "\n");
3618		if (len >= 7) {
3619			if (IS_GEN6(devid))
3620				instr_out(ctx, 6, "\n");
3621			else
3622				instr_out(ctx, 6,
3623					  "render target view extent\n");
3624		}
3625
3626		return len;
3627
3628	case 0x7a00:
3629		if (IS_GEN6(devid) || IS_GEN7(devid)) {
3630			if (len != 4 && len != 5)
3631				fprintf(out, "Bad count in PIPE_CONTROL\n");
3632
3633			switch ((data[1] >> 14) & 0x3) {
3634			case 0:
3635				desc1 = "no write";
3636				break;
3637			case 1:
3638				desc1 = "qword write";
3639				break;
3640			case 2:
3641				desc1 = "PS_DEPTH_COUNT write";
3642				break;
3643			case 3:
3644				desc1 = "TIMESTAMP write";
3645				break;
3646			}
3647			instr_out(ctx, 0, "PIPE_CONTROL\n");
3648			instr_out(ctx, 1,
3649				  "%s, %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
3650				  desc1,
3651				  data[1] & (1 << 20) ? "cs stall, " : "",
3652				  data[1] & (1 << 19) ?
3653				  "global snapshot count reset, " : "",
3654				  data[1] & (1 << 18) ? "tlb invalidate, " : "",
3655				  data[1] & (1 << 17) ? "gfdt flush, " : "",
3656				  data[1] & (1 << 17) ? "media state clear, " :
3657				  "",
3658				  data[1] & (1 << 13) ? "depth stall, " : "",
3659				  data[1] & (1 << 12) ?
3660				  "render target cache flush, " : "",
3661				  data[1] & (1 << 11) ?
3662				  "instruction cache invalidate, " : "",
3663				  data[1] & (1 << 10) ?
3664				  "texture cache invalidate, " : "",
3665				  data[1] & (1 << 9) ?
3666				  "indirect state invalidate, " : "",
3667				  data[1] & (1 << 8) ? "notify irq, " : "",
3668				  data[1] & (1 << 7) ? "PIPE_CONTROL flush, " :
3669				  "",
3670				  data[1] & (1 << 6) ? "protect mem app_id, " :
3671				  "", data[1] & (1 << 5) ? "DC flush, " : "",
3672				  data[1] & (1 << 4) ? "vf fetch invalidate, " :
3673				  "",
3674				  data[1] & (1 << 3) ?
3675				  "constant cache invalidate, " : "",
3676				  data[1] & (1 << 2) ?
3677				  "state cache invalidate, " : "",
3678				  data[1] & (1 << 1) ? "stall at scoreboard, " :
3679				  "",
3680				  data[1] & (1 << 0) ? "depth cache flush, " :
3681				  "");
3682			if (len == 5) {
3683				instr_out(ctx, 2,
3684					  "destination address\n");
3685				instr_out(ctx, 3,
3686					  "immediate dword low\n");
3687				instr_out(ctx, 4,
3688					  "immediate dword high\n");
3689			} else {
3690				for (i = 2; i < len; i++) {
3691					instr_out(ctx, i, "\n");
3692				}
3693			}
3694			return len;
3695		} else {
3696			if (len != 4)
3697				fprintf(out, "Bad count in PIPE_CONTROL\n");
3698
3699			switch ((data[0] >> 14) & 0x3) {
3700			case 0:
3701				desc1 = "no write";
3702				break;
3703			case 1:
3704				desc1 = "qword write";
3705				break;
3706			case 2:
3707				desc1 = "PS_DEPTH_COUNT write";
3708				break;
3709			case 3:
3710				desc1 = "TIMESTAMP write";
3711				break;
3712			}
3713			instr_out(ctx, 0,
3714				  "PIPE_CONTROL: %s, %sdepth stall, %sRC write flush, "
3715				  "%sinst flush\n",
3716				  desc1,
3717				  data[0] & (1 << 13) ? "" : "no ",
3718				  data[0] & (1 << 12) ? "" : "no ",
3719				  data[0] & (1 << 11) ? "" : "no ");
3720			instr_out(ctx, 1, "destination address\n");
3721			instr_out(ctx, 2, "immediate dword low\n");
3722			instr_out(ctx, 3, "immediate dword high\n");
3723			return len;
3724		}
3725	}
3726
3727	if (opcode_3d) {
3728		if (opcode_3d->func) {
3729			return opcode_3d->func(ctx);
3730		} else {
3731			instr_out(ctx, 0, "%s\n", opcode_3d->name);
3732
3733			for (i = 1; i < len; i++) {
3734				instr_out(ctx, i, "dword %d\n", i);
3735			}
3736			return len;
3737		}
3738	}
3739
3740	instr_out(ctx, 0, "3D UNKNOWN: 3d_965 opcode = 0x%x\n",
3741		  opcode);
3742	return 1;
3743}
3744
3745static int
3746decode_3d_i830(struct drm_intel_decode *ctx)
3747{
3748	unsigned int idx;
3749	uint32_t opcode;
3750	uint32_t *data = ctx->data;
3751
3752	struct {
3753		uint32_t opcode;
3754		unsigned int min_len;
3755		unsigned int max_len;
3756		const char *name;
3757	} opcodes_3d[] = {
3758		{ 0x02, 1, 1, "3DSTATE_MODES_3" },
3759		{ 0x03, 1, 1, "3DSTATE_ENABLES_1" },
3760		{ 0x04, 1, 1, "3DSTATE_ENABLES_2" },
3761		{ 0x05, 1, 1, "3DSTATE_VFT0" },
3762		{ 0x06, 1, 1, "3DSTATE_AA" },
3763		{ 0x07, 1, 1, "3DSTATE_RASTERIZATION_RULES" },
3764		{ 0x08, 1, 1, "3DSTATE_MODES_1" },
3765		{ 0x09, 1, 1, "3DSTATE_STENCIL_TEST" },
3766		{ 0x0a, 1, 1, "3DSTATE_VFT1" },
3767		{ 0x0b, 1, 1, "3DSTATE_INDPT_ALPHA_BLEND" },
3768		{ 0x0c, 1, 1, "3DSTATE_MODES_5" },
3769		{ 0x0d, 1, 1, "3DSTATE_MAP_BLEND_OP" },
3770		{ 0x0e, 1, 1, "3DSTATE_MAP_BLEND_ARG" },
3771		{ 0x0f, 1, 1, "3DSTATE_MODES_2" },
3772		{ 0x15, 1, 1, "3DSTATE_FOG_COLOR" },
3773		{ 0x16, 1, 1, "3DSTATE_MODES_4"},
3774	}, *opcode_3d;
3775
3776	opcode = (data[0] & 0x1f000000) >> 24;
3777
3778	switch (opcode) {
3779	case 0x1f:
3780		return decode_3d_primitive(ctx);
3781	case 0x1d:
3782		return decode_3d_1d(ctx);
3783	case 0x1c:
3784		return decode_3d_1c(ctx);
3785	}
3786
3787	for (idx = 0; idx < ARRAY_SIZE(opcodes_3d); idx++) {
3788		opcode_3d = &opcodes_3d[idx];
3789		if ((data[0] & 0x1f000000) >> 24 == opcode_3d->opcode) {
3790			unsigned int len = 1, i;
3791
3792			instr_out(ctx, 0, "%s\n", opcode_3d->name);
3793			if (opcode_3d->max_len > 1) {
3794				len = (data[0] & 0xff) + 2;
3795				if (len < opcode_3d->min_len ||
3796				    len > opcode_3d->max_len) {
3797					fprintf(out, "Bad count in %s\n",
3798						opcode_3d->name);
3799				}
3800			}
3801
3802			for (i = 1; i < len; i++) {
3803				instr_out(ctx, i, "dword %d\n", i);
3804			}
3805			return len;
3806		}
3807	}
3808
3809	instr_out(ctx, 0, "3D UNKNOWN: 3d_i830 opcode = 0x%x\n",
3810		  opcode);
3811	return 1;
3812}
3813
3814drm_public struct drm_intel_decode *
3815drm_intel_decode_context_alloc(uint32_t devid)
3816{
3817	struct drm_intel_decode *ctx;
3818	int gen = 0;
3819
3820	if (intel_get_genx(devid, &gen))
3821		;
3822	else if (IS_GEN8(devid))
3823		gen = 8;
3824	else if (IS_GEN7(devid))
3825		gen = 7;
3826	else if (IS_GEN6(devid))
3827		gen = 6;
3828	else if (IS_GEN5(devid))
3829		gen = 5;
3830	else if (IS_GEN4(devid))
3831		gen = 4;
3832	else if (IS_9XX(devid))
3833		gen = 3;
3834	else if (IS_GEN2(devid))
3835		gen = 2;
3836
3837	if (!gen)
3838		return NULL;
3839
3840	ctx = calloc(1, sizeof(struct drm_intel_decode));
3841	if (!ctx)
3842		return NULL;
3843
3844	ctx->devid = devid;
3845	ctx->gen = gen;
3846	ctx->out = stdout;
3847
3848	return ctx;
3849}
3850
3851drm_public void
3852drm_intel_decode_context_free(struct drm_intel_decode *ctx)
3853{
3854	free(ctx);
3855}
3856
3857drm_public void
3858drm_intel_decode_set_dump_past_end(struct drm_intel_decode *ctx,
3859				   int dump_past_end)
3860{
3861	ctx->dump_past_end = !!dump_past_end;
3862}
3863
3864drm_public void
3865drm_intel_decode_set_batch_pointer(struct drm_intel_decode *ctx,
3866				   void *data, uint32_t hw_offset, int count)
3867{
3868	ctx->base_data = data;
3869	ctx->base_hw_offset = hw_offset;
3870	ctx->base_count = count;
3871}
3872
3873drm_public void
3874drm_intel_decode_set_head_tail(struct drm_intel_decode *ctx,
3875			       uint32_t head, uint32_t tail)
3876{
3877	ctx->head = head;
3878	ctx->tail = tail;
3879}
3880
3881drm_public void
3882drm_intel_decode_set_output_file(struct drm_intel_decode *ctx,
3883				 FILE *output)
3884{
3885	ctx->out = output;
3886}
3887
3888/**
3889 * Decodes an i830-i915 batch buffer, writing the output to stdout.
3890 *
3891 * \param data batch buffer contents
3892 * \param count number of DWORDs to decode in the batch buffer
3893 * \param hw_offset hardware address for the buffer
3894 */
3895drm_public void
3896drm_intel_decode(struct drm_intel_decode *ctx)
3897{
3898	int ret;
3899	unsigned int index = 0;
3900	uint32_t devid;
3901	int size;
3902	void *temp;
3903
3904	if (!ctx)
3905		return;
3906
3907	/* Put a scratch page full of obviously undefined data after
3908	 * the batchbuffer.  This lets us avoid a bunch of length
3909	 * checking in statically sized packets.
3910	 */
3911	size = ctx->base_count * 4;
3912	temp = malloc(size + 4096);
3913	memcpy(temp, ctx->base_data, size);
3914	memset((char *)temp + size, 0xd0, 4096);
3915	ctx->data = temp;
3916
3917	ctx->hw_offset = ctx->base_hw_offset;
3918	ctx->count = ctx->base_count;
3919
3920	devid = ctx->devid;
3921	head_offset = ctx->head;
3922	tail_offset = ctx->tail;
3923	out = ctx->out;
3924
3925	saved_s2_set = 0;
3926	saved_s4_set = 1;
3927
3928	while (ctx->count > 0) {
3929		index = 0;
3930
3931		switch ((ctx->data[index] & 0xe0000000) >> 29) {
3932		case 0x0:
3933			ret = decode_mi(ctx);
3934
3935			/* If MI_BATCHBUFFER_END happened, then dump
3936			 * the rest of the output in case we some day
3937			 * want it in debugging, but don't decode it
3938			 * since it'll just confuse in the common
3939			 * case.
3940			 */
3941			if (ret == -1) {
3942				if (ctx->dump_past_end) {
3943					index++;
3944				} else {
3945					for (index = index + 1; index < ctx->count;
3946					     index++) {
3947						instr_out(ctx, index, "\n");
3948					}
3949				}
3950			} else
3951				index += ret;
3952			break;
3953		case 0x2:
3954			index += decode_2d(ctx);
3955			break;
3956		case 0x3:
3957			if (IS_9XX(devid) && !IS_GEN3(devid)) {
3958				index +=
3959				    decode_3d_965(ctx);
3960			} else if (IS_GEN3(devid)) {
3961				index += decode_3d(ctx);
3962			} else {
3963				index +=
3964				    decode_3d_i830(ctx);
3965			}
3966			break;
3967		default:
3968			instr_out(ctx, index, "UNKNOWN\n");
3969			index++;
3970			break;
3971		}
3972		fflush(out);
3973
3974		if (ctx->count < index)
3975			break;
3976
3977		ctx->count -= index;
3978		ctx->data += index;
3979		ctx->hw_offset += 4 * index;
3980	}
3981
3982	free(temp);
3983}
3984