2 * Copyright © 2017 Intel Corporation
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:
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
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
24 #include "common/gen_decoder.h"
25 #include "gen_disasm.h"
26 #include "util/macros.h"
27 #include "main/macros.h" /* Needed for ROUND_DOWN_TO */
32 gen_batch_decode_ctx_init(struct gen_batch_decode_ctx
*ctx
,
33 const struct gen_device_info
*devinfo
,
34 FILE *fp
, enum gen_batch_decode_flags flags
,
36 struct gen_batch_decode_bo (*get_bo
)(void *,
39 unsigned (*get_state_size
)(void *, uint64_t,
43 memset(ctx
, 0, sizeof(*ctx
));
46 ctx
->get_state_size
= get_state_size
;
47 ctx
->user_data
= user_data
;
50 ctx
->max_vbo_decoded_lines
= -1; /* No limit! */
51 ctx
->engine
= I915_ENGINE_CLASS_RENDER
;
54 ctx
->spec
= gen_spec_load(devinfo
);
56 ctx
->spec
= gen_spec_load_from_path(devinfo
, xml_path
);
57 ctx
->disasm
= gen_disasm_create(devinfo
);
61 gen_batch_decode_ctx_finish(struct gen_batch_decode_ctx
*ctx
)
63 gen_spec_destroy(ctx
->spec
);
64 gen_disasm_destroy(ctx
->disasm
);
68 #define RED_COLOR CSI "31m"
69 #define BLUE_HEADER CSI "0;44m"
70 #define GREEN_HEADER CSI "1;42m"
71 #define NORMAL CSI "0m"
74 ctx_print_group(struct gen_batch_decode_ctx
*ctx
,
75 struct gen_group
*group
,
76 uint64_t address
, const void *map
)
78 gen_print_group(ctx
->fp
, group
, address
, map
, 0,
79 (ctx
->flags
& GEN_BATCH_DECODE_IN_COLOR
) != 0);
82 static struct gen_batch_decode_bo
83 ctx_get_bo(struct gen_batch_decode_ctx
*ctx
, bool ppgtt
, uint64_t addr
)
85 if (gen_spec_get_gen(ctx
->spec
) >= gen_make_gen(8,0)) {
86 /* On Broadwell and above, we have 48-bit addresses which consume two
87 * dwords. Some packets require that these get stored in a "canonical
88 * form" which means that bit 47 is sign-extended through the upper
89 * bits. In order to correctly handle those aub dumps, we need to mask
90 * off the top 16 bits.
92 addr
&= (~0ull >> 16);
95 struct gen_batch_decode_bo bo
= ctx
->get_bo(ctx
->user_data
, ppgtt
, addr
);
97 if (gen_spec_get_gen(ctx
->spec
) >= gen_make_gen(8,0))
98 bo
.addr
&= (~0ull >> 16);
100 /* We may actually have an offset into the bo */
101 if (bo
.map
!= NULL
) {
102 assert(bo
.addr
<= addr
);
103 uint64_t offset
= addr
- bo
.addr
;
113 update_count(struct gen_batch_decode_ctx
*ctx
,
115 uint64_t base_address
,
116 unsigned element_dwords
,
121 if (ctx
->get_state_size
)
122 size
= ctx
->get_state_size(ctx
->user_data
, address
, base_address
);
125 return size
/ (sizeof(uint32_t) * element_dwords
);
127 /* In the absence of any information, just guess arbitrarily. */
132 ctx_disassemble_program(struct gen_batch_decode_ctx
*ctx
,
133 uint32_t ksp
, const char *type
)
135 uint64_t addr
= ctx
->instruction_base
+ ksp
;
136 struct gen_batch_decode_bo bo
= ctx_get_bo(ctx
, true, addr
);
140 fprintf(ctx
->fp
, "\nReferenced %s:\n", type
);
141 gen_disasm_disassemble(ctx
->disasm
, bo
.map
, 0, ctx
->fp
);
144 /* Heuristic to determine whether a uint32_t is probably actually a float
145 * (http://stackoverflow.com/a/2953466)
149 probably_float(uint32_t bits
)
151 int exp
= ((bits
& 0x7f800000U
) >> 23) - 127;
152 uint32_t mant
= bits
& 0x007fffff;
155 if (exp
== -127 && mant
== 0)
158 /* +- 1 billionth to 1 billion */
159 if (-30 <= exp
&& exp
<= 30)
162 /* some value with only a few binary digits */
163 if ((mant
& 0x0000ffff) == 0)
170 ctx_print_buffer(struct gen_batch_decode_ctx
*ctx
,
171 struct gen_batch_decode_bo bo
,
172 uint32_t read_length
,
176 const uint32_t *dw_end
=
177 bo
.map
+ ROUND_DOWN_TO(MIN2(bo
.size
, read_length
), 4);
179 int column_count
= 0, line_count
= -1;
180 for (const uint32_t *dw
= bo
.map
; dw
< dw_end
; dw
++) {
181 if (column_count
* 4 == pitch
|| column_count
== 8) {
182 fprintf(ctx
->fp
, "\n");
186 if (max_lines
>= 0 && line_count
>= max_lines
)
189 fprintf(ctx
->fp
, column_count
== 0 ? " " : " ");
191 if ((ctx
->flags
& GEN_BATCH_DECODE_FLOATS
) && probably_float(*dw
))
192 fprintf(ctx
->fp
, " %8.2f", *(float *) dw
);
194 fprintf(ctx
->fp
, " 0x%08x", *dw
);
198 fprintf(ctx
->fp
, "\n");
201 static struct gen_group
*
202 gen_ctx_find_instruction(struct gen_batch_decode_ctx
*ctx
, const uint32_t *p
)
204 return gen_spec_find_instruction(ctx
->spec
, ctx
->engine
, p
);
208 handle_state_base_address(struct gen_batch_decode_ctx
*ctx
, const uint32_t *p
)
210 struct gen_group
*inst
= gen_ctx_find_instruction(ctx
, p
);
212 struct gen_field_iterator iter
;
213 gen_field_iterator_init(&iter
, inst
, p
, 0, false);
215 uint64_t surface_base
= 0, dynamic_base
= 0, instruction_base
= 0;
216 bool surface_modify
= 0, dynamic_modify
= 0, instruction_modify
= 0;
218 while (gen_field_iterator_next(&iter
)) {
219 if (strcmp(iter
.name
, "Surface State Base Address") == 0) {
220 surface_base
= iter
.raw_value
;
221 } else if (strcmp(iter
.name
, "Dynamic State Base Address") == 0) {
222 dynamic_base
= iter
.raw_value
;
223 } else if (strcmp(iter
.name
, "Instruction Base Address") == 0) {
224 instruction_base
= iter
.raw_value
;
225 } else if (strcmp(iter
.name
, "Surface State Base Address Modify Enable") == 0) {
226 surface_modify
= iter
.raw_value
;
227 } else if (strcmp(iter
.name
, "Dynamic State Base Address Modify Enable") == 0) {
228 dynamic_modify
= iter
.raw_value
;
229 } else if (strcmp(iter
.name
, "Instruction Base Address Modify Enable") == 0) {
230 instruction_modify
= iter
.raw_value
;
235 ctx
->dynamic_base
= dynamic_base
;
238 ctx
->surface_base
= surface_base
;
240 if (instruction_modify
)
241 ctx
->instruction_base
= instruction_base
;
245 dump_binding_table(struct gen_batch_decode_ctx
*ctx
, uint32_t offset
, int count
)
247 struct gen_group
*strct
=
248 gen_spec_find_struct(ctx
->spec
, "RENDER_SURFACE_STATE");
250 fprintf(ctx
->fp
, "did not find RENDER_SURFACE_STATE info\n");
255 count
= update_count(ctx
, ctx
->surface_base
+ offset
,
256 ctx
->surface_base
, 1, 8);
259 if (offset
% 32 != 0 || offset
>= UINT16_MAX
) {
260 fprintf(ctx
->fp
, " invalid binding table pointer\n");
264 struct gen_batch_decode_bo bind_bo
=
265 ctx_get_bo(ctx
, true, ctx
->surface_base
+ offset
);
267 if (bind_bo
.map
== NULL
) {
268 fprintf(ctx
->fp
, " binding table unavailable\n");
272 const uint32_t *pointers
= bind_bo
.map
;
273 for (int i
= 0; i
< count
; i
++) {
274 if (pointers
[i
] == 0)
277 uint64_t addr
= ctx
->surface_base
+ pointers
[i
];
278 struct gen_batch_decode_bo bo
= ctx_get_bo(ctx
, true, addr
);
279 uint32_t size
= strct
->dw_length
* 4;
281 if (pointers
[i
] % 32 != 0 ||
282 addr
< bo
.addr
|| addr
+ size
>= bo
.addr
+ bo
.size
) {
283 fprintf(ctx
->fp
, "pointer %u: 0x%08x <not valid>\n", i
, pointers
[i
]);
287 fprintf(ctx
->fp
, "pointer %u: 0x%08x\n", i
, pointers
[i
]);
288 ctx_print_group(ctx
, strct
, addr
, bo
.map
+ (addr
- bo
.addr
));
293 dump_samplers(struct gen_batch_decode_ctx
*ctx
, uint32_t offset
, int count
)
295 struct gen_group
*strct
= gen_spec_find_struct(ctx
->spec
, "SAMPLER_STATE");
296 uint64_t state_addr
= ctx
->dynamic_base
+ offset
;
299 count
= update_count(ctx
, state_addr
, ctx
->dynamic_base
,
300 strct
->dw_length
, 4);
303 struct gen_batch_decode_bo bo
= ctx_get_bo(ctx
, true, state_addr
);
304 const void *state_map
= bo
.map
;
306 if (state_map
== NULL
) {
307 fprintf(ctx
->fp
, " samplers unavailable\n");
311 if (offset
% 32 != 0 || state_addr
- bo
.addr
>= bo
.size
) {
312 fprintf(ctx
->fp
, " invalid sampler state pointer\n");
316 for (int i
= 0; i
< count
; i
++) {
317 fprintf(ctx
->fp
, "sampler state %d\n", i
);
318 ctx_print_group(ctx
, strct
, state_addr
, state_map
);
325 handle_media_interface_descriptor_load(struct gen_batch_decode_ctx
*ctx
,
328 struct gen_group
*inst
= gen_ctx_find_instruction(ctx
, p
);
329 struct gen_group
*desc
=
330 gen_spec_find_struct(ctx
->spec
, "INTERFACE_DESCRIPTOR_DATA");
332 struct gen_field_iterator iter
;
333 gen_field_iterator_init(&iter
, inst
, p
, 0, false);
334 uint32_t descriptor_offset
= 0;
335 int descriptor_count
= 0;
336 while (gen_field_iterator_next(&iter
)) {
337 if (strcmp(iter
.name
, "Interface Descriptor Data Start Address") == 0) {
338 descriptor_offset
= strtol(iter
.value
, NULL
, 16);
339 } else if (strcmp(iter
.name
, "Interface Descriptor Total Length") == 0) {
341 strtol(iter
.value
, NULL
, 16) / (desc
->dw_length
* 4);
345 uint64_t desc_addr
= ctx
->dynamic_base
+ descriptor_offset
;
346 struct gen_batch_decode_bo bo
= ctx_get_bo(ctx
, true, desc_addr
);
347 const void *desc_map
= bo
.map
;
349 if (desc_map
== NULL
) {
350 fprintf(ctx
->fp
, " interface descriptors unavailable\n");
354 for (int i
= 0; i
< descriptor_count
; i
++) {
355 fprintf(ctx
->fp
, "descriptor %d: %08x\n", i
, descriptor_offset
);
357 ctx_print_group(ctx
, desc
, desc_addr
, desc_map
);
359 gen_field_iterator_init(&iter
, desc
, desc_map
, 0, false);
361 uint32_t sampler_offset
= 0, sampler_count
= 0;
362 uint32_t binding_table_offset
= 0, binding_entry_count
= 0;
363 while (gen_field_iterator_next(&iter
)) {
364 if (strcmp(iter
.name
, "Kernel Start Pointer") == 0) {
365 ksp
= strtoll(iter
.value
, NULL
, 16);
366 } else if (strcmp(iter
.name
, "Sampler State Pointer") == 0) {
367 sampler_offset
= strtol(iter
.value
, NULL
, 16);
368 } else if (strcmp(iter
.name
, "Sampler Count") == 0) {
369 sampler_count
= strtol(iter
.value
, NULL
, 10);
370 } else if (strcmp(iter
.name
, "Binding Table Pointer") == 0) {
371 binding_table_offset
= strtol(iter
.value
, NULL
, 16);
372 } else if (strcmp(iter
.name
, "Binding Table Entry Count") == 0) {
373 binding_entry_count
= strtol(iter
.value
, NULL
, 10);
377 ctx_disassemble_program(ctx
, ksp
, "compute shader");
380 dump_samplers(ctx
, sampler_offset
, sampler_count
);
381 dump_binding_table(ctx
, binding_table_offset
, binding_entry_count
);
383 desc_map
+= desc
->dw_length
;
384 desc_addr
+= desc
->dw_length
* 4;
389 handle_3dstate_vertex_buffers(struct gen_batch_decode_ctx
*ctx
,
392 struct gen_group
*inst
= gen_ctx_find_instruction(ctx
, p
);
393 struct gen_group
*vbs
= gen_spec_find_struct(ctx
->spec
, "VERTEX_BUFFER_STATE");
395 struct gen_batch_decode_bo vb
= {};
396 uint32_t vb_size
= 0;
401 struct gen_field_iterator iter
;
402 gen_field_iterator_init(&iter
, inst
, p
, 0, false);
403 while (gen_field_iterator_next(&iter
)) {
404 if (iter
.struct_desc
!= vbs
)
407 struct gen_field_iterator vbs_iter
;
408 gen_field_iterator_init(&vbs_iter
, vbs
, &iter
.p
[iter
.start_bit
/ 32], 0, false);
409 while (gen_field_iterator_next(&vbs_iter
)) {
410 if (strcmp(vbs_iter
.name
, "Vertex Buffer Index") == 0) {
411 index
= vbs_iter
.raw_value
;
412 } else if (strcmp(vbs_iter
.name
, "Buffer Pitch") == 0) {
413 pitch
= vbs_iter
.raw_value
;
414 } else if (strcmp(vbs_iter
.name
, "Buffer Starting Address") == 0) {
415 vb
= ctx_get_bo(ctx
, true, vbs_iter
.raw_value
);
416 } else if (strcmp(vbs_iter
.name
, "Buffer Size") == 0) {
417 vb_size
= vbs_iter
.raw_value
;
419 } else if (strcmp(vbs_iter
.name
, "End Address") == 0) {
420 if (vb
.map
&& vbs_iter
.raw_value
>= vb
.addr
)
421 vb_size
= (vbs_iter
.raw_value
+ 1) - vb
.addr
;
430 fprintf(ctx
->fp
, "vertex buffer %d, size %d\n", index
, vb_size
);
432 if (vb
.map
== NULL
) {
433 fprintf(ctx
->fp
, " buffer contents unavailable\n");
437 if (vb
.map
== 0 || vb_size
== 0)
440 ctx_print_buffer(ctx
, vb
, vb_size
, pitch
, ctx
->max_vbo_decoded_lines
);
452 handle_3dstate_index_buffer(struct gen_batch_decode_ctx
*ctx
,
455 struct gen_group
*inst
= gen_ctx_find_instruction(ctx
, p
);
457 struct gen_batch_decode_bo ib
= {};
458 uint32_t ib_size
= 0;
461 struct gen_field_iterator iter
;
462 gen_field_iterator_init(&iter
, inst
, p
, 0, false);
463 while (gen_field_iterator_next(&iter
)) {
464 if (strcmp(iter
.name
, "Index Format") == 0) {
465 format
= iter
.raw_value
;
466 } else if (strcmp(iter
.name
, "Buffer Starting Address") == 0) {
467 ib
= ctx_get_bo(ctx
, true, iter
.raw_value
);
468 } else if (strcmp(iter
.name
, "Buffer Size") == 0) {
469 ib_size
= iter
.raw_value
;
473 if (ib
.map
== NULL
) {
474 fprintf(ctx
->fp
, " buffer contents unavailable\n");
478 const void *m
= ib
.map
;
479 const void *ib_end
= ib
.map
+ MIN2(ib
.size
, ib_size
);
480 for (int i
= 0; m
< ib_end
&& i
< 10; i
++) {
483 fprintf(ctx
->fp
, "%3d ", *(uint8_t *)m
);
487 fprintf(ctx
->fp
, "%3d ", *(uint16_t *)m
);
491 fprintf(ctx
->fp
, "%3d ", *(uint32_t *)m
);
498 fprintf(ctx
->fp
, "...");
499 fprintf(ctx
->fp
, "\n");
503 decode_single_ksp(struct gen_batch_decode_ctx
*ctx
, const uint32_t *p
)
505 struct gen_group
*inst
= gen_ctx_find_instruction(ctx
, p
);
508 bool is_simd8
= false; /* vertex shaders on Gen8+ only */
509 bool is_enabled
= true;
511 struct gen_field_iterator iter
;
512 gen_field_iterator_init(&iter
, inst
, p
, 0, false);
513 while (gen_field_iterator_next(&iter
)) {
514 if (strcmp(iter
.name
, "Kernel Start Pointer") == 0) {
515 ksp
= iter
.raw_value
;
516 } else if (strcmp(iter
.name
, "SIMD8 Dispatch Enable") == 0) {
517 is_simd8
= iter
.raw_value
;
518 } else if (strcmp(iter
.name
, "Dispatch Mode") == 0) {
519 is_simd8
= strcmp(iter
.value
, "SIMD8") == 0;
520 } else if (strcmp(iter
.name
, "Dispatch Enable") == 0) {
521 is_simd8
= strcmp(iter
.value
, "SIMD8") == 0;
522 } else if (strcmp(iter
.name
, "Enable") == 0) {
523 is_enabled
= iter
.raw_value
;
528 strcmp(inst
->name
, "VS_STATE") == 0 ? "vertex shader" :
529 strcmp(inst
->name
, "GS_STATE") == 0 ? "geometry shader" :
530 strcmp(inst
->name
, "SF_STATE") == 0 ? "strips and fans shader" :
531 strcmp(inst
->name
, "CLIP_STATE") == 0 ? "clip shader" :
532 strcmp(inst
->name
, "3DSTATE_DS") == 0 ? "tessellation evaluation shader" :
533 strcmp(inst
->name
, "3DSTATE_HS") == 0 ? "tessellation control shader" :
534 strcmp(inst
->name
, "3DSTATE_VS") == 0 ? (is_simd8
? "SIMD8 vertex shader" : "vec4 vertex shader") :
535 strcmp(inst
->name
, "3DSTATE_GS") == 0 ? (is_simd8
? "SIMD8 geometry shader" : "vec4 geometry shader") :
539 ctx_disassemble_program(ctx
, ksp
, type
);
545 decode_ps_kernels(struct gen_batch_decode_ctx
*ctx
, const uint32_t *p
)
547 struct gen_group
*inst
= gen_ctx_find_instruction(ctx
, p
);
549 uint64_t ksp
[3] = {0, 0, 0};
550 bool enabled
[3] = {false, false, false};
552 struct gen_field_iterator iter
;
553 gen_field_iterator_init(&iter
, inst
, p
, 0, false);
554 while (gen_field_iterator_next(&iter
)) {
555 if (strncmp(iter
.name
, "Kernel Start Pointer ",
556 strlen("Kernel Start Pointer ")) == 0) {
557 int idx
= iter
.name
[strlen("Kernel Start Pointer ")] - '0';
558 ksp
[idx
] = strtol(iter
.value
, NULL
, 16);
559 } else if (strcmp(iter
.name
, "8 Pixel Dispatch Enable") == 0) {
560 enabled
[0] = strcmp(iter
.value
, "true") == 0;
561 } else if (strcmp(iter
.name
, "16 Pixel Dispatch Enable") == 0) {
562 enabled
[1] = strcmp(iter
.value
, "true") == 0;
563 } else if (strcmp(iter
.name
, "32 Pixel Dispatch Enable") == 0) {
564 enabled
[2] = strcmp(iter
.value
, "true") == 0;
568 /* Reorder KSPs to be [8, 16, 32] instead of the hardware order. */
569 if (enabled
[0] + enabled
[1] + enabled
[2] == 1) {
573 } else if (enabled
[2]) {
578 uint64_t tmp
= ksp
[1];
584 ctx_disassemble_program(ctx
, ksp
[0], "SIMD8 fragment shader");
586 ctx_disassemble_program(ctx
, ksp
[1], "SIMD16 fragment shader");
588 ctx_disassemble_program(ctx
, ksp
[2], "SIMD32 fragment shader");
590 if (enabled
[0] || enabled
[1] || enabled
[2])
591 fprintf(ctx
->fp
, "\n");
595 decode_3dstate_constant_all(struct gen_batch_decode_ctx
*ctx
, const uint32_t *p
)
597 struct gen_group
*inst
=
598 gen_spec_find_instruction(ctx
->spec
, ctx
->engine
, p
);
599 struct gen_group
*body
=
600 gen_spec_find_struct(ctx
->spec
, "3DSTATE_CONSTANT_ALL_DATA");
602 uint32_t read_length
[4];
603 struct gen_batch_decode_bo buffer
[4];
604 memset(buffer
, 0, sizeof(buffer
));
606 struct gen_field_iterator outer
;
607 gen_field_iterator_init(&outer
, inst
, p
, 0, false);
609 while (gen_field_iterator_next(&outer
)) {
610 if (outer
.struct_desc
!= body
)
613 struct gen_field_iterator iter
;
614 gen_field_iterator_init(&iter
, body
, &outer
.p
[outer
.start_bit
/ 32],
616 while (gen_field_iterator_next(&iter
)) {
617 if (!strcmp(iter
.name
, "Pointer To Constant Buffer")) {
618 buffer
[idx
] = ctx_get_bo(ctx
, true, iter
.raw_value
);
619 } else if (!strcmp(iter
.name
, "Constant Buffer Read Length")) {
620 read_length
[idx
] = iter
.raw_value
;
626 for (int i
= 0; i
< 4; i
++) {
627 if (read_length
[i
] == 0 || buffer
[i
].map
== NULL
)
630 unsigned size
= read_length
[i
] * 32;
631 fprintf(ctx
->fp
, "constant buffer %d, size %u\n", i
, size
);
633 ctx_print_buffer(ctx
, buffer
[i
], size
, 0, -1);
638 decode_3dstate_constant(struct gen_batch_decode_ctx
*ctx
, const uint32_t *p
)
640 struct gen_group
*inst
= gen_ctx_find_instruction(ctx
, p
);
641 struct gen_group
*body
=
642 gen_spec_find_struct(ctx
->spec
, "3DSTATE_CONSTANT_BODY");
644 uint32_t read_length
[4] = {0};
645 uint64_t read_addr
[4];
647 struct gen_field_iterator outer
;
648 gen_field_iterator_init(&outer
, inst
, p
, 0, false);
649 while (gen_field_iterator_next(&outer
)) {
650 if (outer
.struct_desc
!= body
)
653 struct gen_field_iterator iter
;
654 gen_field_iterator_init(&iter
, body
, &outer
.p
[outer
.start_bit
/ 32],
657 while (gen_field_iterator_next(&iter
)) {
659 if (sscanf(iter
.name
, "Read Length[%d]", &idx
) == 1) {
660 read_length
[idx
] = iter
.raw_value
;
661 } else if (sscanf(iter
.name
, "Buffer[%d]", &idx
) == 1) {
662 read_addr
[idx
] = iter
.raw_value
;
666 for (int i
= 0; i
< 4; i
++) {
667 if (read_length
[i
] == 0)
670 struct gen_batch_decode_bo buffer
= ctx_get_bo(ctx
, true, read_addr
[i
]);
672 fprintf(ctx
->fp
, "constant buffer %d unavailable\n", i
);
676 unsigned size
= read_length
[i
] * 32;
677 fprintf(ctx
->fp
, "constant buffer %d, size %u\n", i
, size
);
679 ctx_print_buffer(ctx
, buffer
, size
, 0, -1);
685 decode_gen6_3dstate_binding_table_pointers(struct gen_batch_decode_ctx
*ctx
,
688 fprintf(ctx
->fp
, "VS Binding Table:\n");
689 dump_binding_table(ctx
, p
[1], -1);
691 fprintf(ctx
->fp
, "GS Binding Table:\n");
692 dump_binding_table(ctx
, p
[2], -1);
694 fprintf(ctx
->fp
, "PS Binding Table:\n");
695 dump_binding_table(ctx
, p
[3], -1);
699 decode_3dstate_binding_table_pointers(struct gen_batch_decode_ctx
*ctx
,
702 dump_binding_table(ctx
, p
[1], -1);
706 decode_3dstate_sampler_state_pointers(struct gen_batch_decode_ctx
*ctx
,
709 dump_samplers(ctx
, p
[1], -1);
713 decode_3dstate_sampler_state_pointers_gen6(struct gen_batch_decode_ctx
*ctx
,
716 dump_samplers(ctx
, p
[1], -1);
717 dump_samplers(ctx
, p
[2], -1);
718 dump_samplers(ctx
, p
[3], -1);
722 str_ends_with(const char *str
, const char *end
)
724 int offset
= strlen(str
) - strlen(end
);
728 return strcmp(str
+ offset
, end
) == 0;
732 decode_dynamic_state_pointers(struct gen_batch_decode_ctx
*ctx
,
733 const char *struct_type
, const uint32_t *p
,
736 struct gen_group
*inst
= gen_ctx_find_instruction(ctx
, p
);
738 uint32_t state_offset
= 0;
740 struct gen_field_iterator iter
;
741 gen_field_iterator_init(&iter
, inst
, p
, 0, false);
742 while (gen_field_iterator_next(&iter
)) {
743 if (str_ends_with(iter
.name
, "Pointer")) {
744 state_offset
= iter
.raw_value
;
749 uint64_t state_addr
= ctx
->dynamic_base
+ state_offset
;
750 struct gen_batch_decode_bo bo
= ctx_get_bo(ctx
, true, state_addr
);
751 const void *state_map
= bo
.map
;
753 if (state_map
== NULL
) {
754 fprintf(ctx
->fp
, " dynamic %s state unavailable\n", struct_type
);
758 struct gen_group
*state
= gen_spec_find_struct(ctx
->spec
, struct_type
);
759 if (strcmp(struct_type
, "BLEND_STATE") == 0) {
760 /* Blend states are different from the others because they have a header
761 * struct called BLEND_STATE which is followed by a variable number of
762 * BLEND_STATE_ENTRY structs.
764 fprintf(ctx
->fp
, "%s\n", struct_type
);
765 ctx_print_group(ctx
, state
, state_addr
, state_map
);
767 state_addr
+= state
->dw_length
* 4;
768 state_map
+= state
->dw_length
* 4;
770 struct_type
= "BLEND_STATE_ENTRY";
771 state
= gen_spec_find_struct(ctx
->spec
, struct_type
);
774 count
= update_count(ctx
, ctx
->dynamic_base
+ state_offset
,
775 ctx
->dynamic_base
, state
->dw_length
, count
);
777 for (int i
= 0; i
< count
; i
++) {
778 fprintf(ctx
->fp
, "%s %d\n", struct_type
, i
);
779 ctx_print_group(ctx
, state
, state_addr
, state_map
);
781 state_addr
+= state
->dw_length
* 4;
782 state_map
+= state
->dw_length
* 4;
787 decode_3dstate_viewport_state_pointers_cc(struct gen_batch_decode_ctx
*ctx
,
790 decode_dynamic_state_pointers(ctx
, "CC_VIEWPORT", p
, 4);
794 decode_3dstate_viewport_state_pointers_sf_clip(struct gen_batch_decode_ctx
*ctx
,
797 decode_dynamic_state_pointers(ctx
, "SF_CLIP_VIEWPORT", p
, 4);
801 decode_3dstate_blend_state_pointers(struct gen_batch_decode_ctx
*ctx
,
804 decode_dynamic_state_pointers(ctx
, "BLEND_STATE", p
, 1);
808 decode_3dstate_cc_state_pointers(struct gen_batch_decode_ctx
*ctx
,
811 decode_dynamic_state_pointers(ctx
, "COLOR_CALC_STATE", p
, 1);
815 decode_3dstate_scissor_state_pointers(struct gen_batch_decode_ctx
*ctx
,
818 decode_dynamic_state_pointers(ctx
, "SCISSOR_RECT", p
, 1);
822 decode_3dstate_slice_table_state_pointers(struct gen_batch_decode_ctx
*ctx
,
825 decode_dynamic_state_pointers(ctx
, "SLICE_HASH_TABLE", p
, 1);
829 decode_load_register_imm(struct gen_batch_decode_ctx
*ctx
, const uint32_t *p
)
831 struct gen_group
*reg
= gen_spec_find_register(ctx
->spec
, p
[1]);
834 fprintf(ctx
->fp
, "register %s (0x%x): 0x%x\n",
835 reg
->name
, reg
->register_offset
, p
[2]);
836 ctx_print_group(ctx
, reg
, reg
->register_offset
, &p
[2]);
840 struct custom_decoder
{
841 const char *cmd_name
;
842 void (*decode
)(struct gen_batch_decode_ctx
*ctx
, const uint32_t *p
);
843 } custom_decoders
[] = {
844 { "STATE_BASE_ADDRESS", handle_state_base_address
},
845 { "MEDIA_INTERFACE_DESCRIPTOR_LOAD", handle_media_interface_descriptor_load
},
846 { "3DSTATE_VERTEX_BUFFERS", handle_3dstate_vertex_buffers
},
847 { "3DSTATE_INDEX_BUFFER", handle_3dstate_index_buffer
},
848 { "3DSTATE_VS", decode_single_ksp
},
849 { "3DSTATE_GS", decode_single_ksp
},
850 { "3DSTATE_DS", decode_single_ksp
},
851 { "3DSTATE_HS", decode_single_ksp
},
852 { "3DSTATE_PS", decode_ps_kernels
},
853 { "3DSTATE_WM", decode_ps_kernels
},
854 { "3DSTATE_CONSTANT_VS", decode_3dstate_constant
},
855 { "3DSTATE_CONSTANT_GS", decode_3dstate_constant
},
856 { "3DSTATE_CONSTANT_PS", decode_3dstate_constant
},
857 { "3DSTATE_CONSTANT_HS", decode_3dstate_constant
},
858 { "3DSTATE_CONSTANT_DS", decode_3dstate_constant
},
859 { "3DSTATE_CONSTANT_ALL", decode_3dstate_constant_all
},
861 { "3DSTATE_BINDING_TABLE_POINTERS", decode_gen6_3dstate_binding_table_pointers
},
862 { "3DSTATE_BINDING_TABLE_POINTERS_VS", decode_3dstate_binding_table_pointers
},
863 { "3DSTATE_BINDING_TABLE_POINTERS_HS", decode_3dstate_binding_table_pointers
},
864 { "3DSTATE_BINDING_TABLE_POINTERS_DS", decode_3dstate_binding_table_pointers
},
865 { "3DSTATE_BINDING_TABLE_POINTERS_GS", decode_3dstate_binding_table_pointers
},
866 { "3DSTATE_BINDING_TABLE_POINTERS_PS", decode_3dstate_binding_table_pointers
},
868 { "3DSTATE_SAMPLER_STATE_POINTERS_VS", decode_3dstate_sampler_state_pointers
},
869 { "3DSTATE_SAMPLER_STATE_POINTERS_HS", decode_3dstate_sampler_state_pointers
},
870 { "3DSTATE_SAMPLER_STATE_POINTERS_DS", decode_3dstate_sampler_state_pointers
},
871 { "3DSTATE_SAMPLER_STATE_POINTERS_GS", decode_3dstate_sampler_state_pointers
},
872 { "3DSTATE_SAMPLER_STATE_POINTERS_PS", decode_3dstate_sampler_state_pointers
},
873 { "3DSTATE_SAMPLER_STATE_POINTERS", decode_3dstate_sampler_state_pointers_gen6
},
875 { "3DSTATE_VIEWPORT_STATE_POINTERS_CC", decode_3dstate_viewport_state_pointers_cc
},
876 { "3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP", decode_3dstate_viewport_state_pointers_sf_clip
},
877 { "3DSTATE_BLEND_STATE_POINTERS", decode_3dstate_blend_state_pointers
},
878 { "3DSTATE_CC_STATE_POINTERS", decode_3dstate_cc_state_pointers
},
879 { "3DSTATE_SCISSOR_STATE_POINTERS", decode_3dstate_scissor_state_pointers
},
880 { "3DSTATE_SLICE_TABLE_STATE_POINTERS", decode_3dstate_slice_table_state_pointers
},
881 { "MI_LOAD_REGISTER_IMM", decode_load_register_imm
}
885 gen_print_batch(struct gen_batch_decode_ctx
*ctx
,
886 const uint32_t *batch
, uint32_t batch_size
,
887 uint64_t batch_addr
, bool from_ring
)
889 const uint32_t *p
, *end
= batch
+ batch_size
/ sizeof(uint32_t);
891 struct gen_group
*inst
;
892 const char *reset_color
= ctx
->flags
& GEN_BATCH_DECODE_IN_COLOR
? NORMAL
: "";
894 if (ctx
->n_batch_buffer_start
>= 100) {
895 fprintf(ctx
->fp
, "%s0x%08"PRIx64
": Max batch buffer jumps exceeded%s\n",
896 (ctx
->flags
& GEN_BATCH_DECODE_IN_COLOR
) ? RED_COLOR
: "",
897 (ctx
->flags
& GEN_BATCH_DECODE_OFFSETS
) ? batch_addr
: 0,
902 ctx
->n_batch_buffer_start
++;
904 for (p
= batch
; p
< end
; p
+= length
) {
905 inst
= gen_ctx_find_instruction(ctx
, p
);
906 length
= gen_group_get_length(inst
, p
);
907 assert(inst
== NULL
|| length
> 0);
908 length
= MAX2(1, length
);
911 if (ctx
->flags
& GEN_BATCH_DECODE_OFFSETS
)
912 offset
= batch_addr
+ ((char *)p
- (char *)batch
);
917 fprintf(ctx
->fp
, "%s0x%08"PRIx64
": unknown instruction %08x%s\n",
918 (ctx
->flags
& GEN_BATCH_DECODE_IN_COLOR
) ? RED_COLOR
: "",
919 offset
, p
[0], reset_color
);
924 const char *inst_name
= gen_group_get_name(inst
);
925 if (ctx
->flags
& GEN_BATCH_DECODE_IN_COLOR
) {
926 reset_color
= NORMAL
;
927 if (ctx
->flags
& GEN_BATCH_DECODE_FULL
) {
928 if (strcmp(inst_name
, "MI_BATCH_BUFFER_START") == 0 ||
929 strcmp(inst_name
, "MI_BATCH_BUFFER_END") == 0)
930 color
= GREEN_HEADER
;
941 fprintf(ctx
->fp
, "%s0x%08"PRIx64
": 0x%08x: %-80s%s\n",
942 color
, offset
, p
[0], inst_name
, reset_color
);
944 if (ctx
->flags
& GEN_BATCH_DECODE_FULL
) {
945 ctx_print_group(ctx
, inst
, offset
, p
);
947 for (int i
= 0; i
< ARRAY_SIZE(custom_decoders
); i
++) {
948 if (strcmp(inst_name
, custom_decoders
[i
].cmd_name
) == 0) {
949 custom_decoders
[i
].decode(ctx
, p
);
955 if (strcmp(inst_name
, "MI_BATCH_BUFFER_START") == 0) {
956 uint64_t next_batch_addr
= 0;
958 bool second_level
= false;
959 struct gen_field_iterator iter
;
960 gen_field_iterator_init(&iter
, inst
, p
, 0, false);
961 while (gen_field_iterator_next(&iter
)) {
962 if (strcmp(iter
.name
, "Batch Buffer Start Address") == 0) {
963 next_batch_addr
= iter
.raw_value
;
964 } else if (strcmp(iter
.name
, "Second Level Batch Buffer") == 0) {
965 second_level
= iter
.raw_value
;
966 } else if (strcmp(iter
.name
, "Address Space Indicator") == 0) {
967 ppgtt
= iter
.raw_value
;
971 struct gen_batch_decode_bo next_batch
= ctx_get_bo(ctx
, ppgtt
, next_batch_addr
);
973 if (next_batch
.map
== NULL
) {
974 fprintf(ctx
->fp
, "Secondary batch at 0x%08"PRIx64
" unavailable\n",
977 gen_print_batch(ctx
, next_batch
.map
, next_batch
.size
,
978 next_batch
.addr
, false);
981 /* MI_BATCH_BUFFER_START with "2nd Level Batch Buffer" set acts
982 * like a subroutine call. Commands that come afterwards get
983 * processed once the 2nd level batch buffer returns with
984 * MI_BATCH_BUFFER_END.
987 } else if (!from_ring
) {
988 /* MI_BATCH_BUFFER_START with "2nd Level Batch Buffer" unset acts
989 * like a goto. Nothing after it will ever get processed. In
990 * order to prevent the recursion from growing, we just reset the
995 } else if (strcmp(inst_name
, "MI_BATCH_BUFFER_END") == 0) {
1000 ctx
->n_batch_buffer_start
--;