2 * Copyright (C) 2017-2019 Alyssa Rosenzweig
3 * Copyright (C) 2017-2019 Connor Abbott
4 * Copyright (C) 2019 Collabora, Ltd.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
26 #include <midgard_pack.h>
34 #include "util/macros.h"
35 #include "util/u_math.h"
37 #include "midgard/disassemble.h"
38 #include "bifrost/disassemble.h"
40 #include "pan_encoder.h"
42 static void pandecode_swizzle(unsigned swizzle
, enum mali_format format
);
44 #define MEMORY_PROP(obj, p) {\
46 char *a = pointer_as_memory_reference(obj->p); \
47 pandecode_prop("%s = %s", #p, a); \
52 #define MEMORY_PROP_DIR(obj, p) {\
54 char *a = pointer_as_memory_reference(obj.p); \
55 pandecode_prop("%s = %s", #p, a); \
60 #define DUMP_CL(title, T, cl, indent) {\
61 fprintf(pandecode_dump_stream, "%s\n", title); \
62 struct MALI_ ## T temp; \
63 MALI_ ## T ## _unpack((const uint8_t *) cl, &temp); \
64 MALI_ ## T ## _print(pandecode_dump_stream, &temp, indent * 2); \
67 #define DUMP_ADDR(title, T, addr, indent) {\
68 struct pandecode_mapped_memory *mapped_mem = pandecode_find_mapped_gpu_mem_containing(addr); \
69 const uint8_t *cl = pandecode_fetch_gpu_mem(mapped_mem, addr, MALI_ ## T ## _LENGTH); \
70 DUMP_CL(title, T, cl, indent); \
73 FILE *pandecode_dump_stream
;
75 /* Semantic logging type.
77 * Raw: for raw messages to be printed as is.
78 * Message: for helpful information to be commented out in replays.
79 * Property: for properties of a struct
81 * Use one of pandecode_log, pandecode_msg, or pandecode_prop as syntax sugar.
84 enum pandecode_log_type
{
90 #define pandecode_log(...) pandecode_log_typed(PANDECODE_RAW, __VA_ARGS__)
91 #define pandecode_msg(...) pandecode_log_typed(PANDECODE_MESSAGE, __VA_ARGS__)
92 #define pandecode_prop(...) pandecode_log_typed(PANDECODE_PROPERTY, __VA_ARGS__)
94 unsigned pandecode_indent
= 0;
97 pandecode_make_indent(void)
99 for (unsigned i
= 0; i
< pandecode_indent
; ++i
)
100 fprintf(pandecode_dump_stream
, " ");
104 pandecode_log_typed(enum pandecode_log_type type
, const char *format
, ...)
108 pandecode_make_indent();
110 if (type
== PANDECODE_MESSAGE
)
111 fprintf(pandecode_dump_stream
, "// ");
112 else if (type
== PANDECODE_PROPERTY
)
113 fprintf(pandecode_dump_stream
, ".");
115 va_start(ap
, format
);
116 vfprintf(pandecode_dump_stream
, format
, ap
);
119 if (type
== PANDECODE_PROPERTY
)
120 fprintf(pandecode_dump_stream
, ",\n");
124 pandecode_log_cont(const char *format
, ...)
128 va_start(ap
, format
);
129 vfprintf(pandecode_dump_stream
, format
, ap
);
133 /* To check for memory safety issues, validates that the given pointer in GPU
134 * memory is valid, containing at least sz bytes. The goal is to eliminate
135 * GPU-side memory bugs (NULL pointer dereferences, buffer overflows, or buffer
136 * overruns) by statically validating pointers.
140 pandecode_validate_buffer(mali_ptr addr
, size_t sz
)
143 pandecode_msg("XXX: null pointer deref");
149 struct pandecode_mapped_memory
*bo
=
150 pandecode_find_mapped_gpu_mem_containing(addr
);
153 pandecode_msg("XXX: invalid memory dereference\n");
159 unsigned offset
= addr
- bo
->gpu_va
;
160 unsigned total
= offset
+ sz
;
162 if (total
> bo
->length
) {
163 pandecode_msg("XXX: buffer overrun. "
164 "Chunk of size %zu at offset %d in buffer of size %zu. "
165 "Overrun by %zu bytes. \n",
166 sz
, offset
, bo
->length
, total
- bo
->length
);
171 struct pandecode_flag_info
{
177 pandecode_log_decoded_flags(const struct pandecode_flag_info
*flag_info
,
180 bool decodable_flags_found
= false;
182 for (int i
= 0; flag_info
[i
].name
; i
++) {
183 if ((flags
& flag_info
[i
].flag
) != flag_info
[i
].flag
)
186 if (!decodable_flags_found
) {
187 decodable_flags_found
= true;
189 pandecode_log_cont(" | ");
192 pandecode_log_cont("%s", flag_info
[i
].name
);
194 flags
&= ~flag_info
[i
].flag
;
197 if (decodable_flags_found
) {
199 pandecode_log_cont(" | 0x%" PRIx64
, flags
);
201 pandecode_log_cont("0x%" PRIx64
, flags
);
205 #define FLAG_INFO(flag) { MALI_##flag, "MALI_" #flag }
206 static const struct pandecode_flag_info gl_enable_flag_info
[] = {
207 FLAG_INFO(OCCLUSION_QUERY
),
208 FLAG_INFO(OCCLUSION_PRECISE
),
209 FLAG_INFO(FRONT_CCW_TOP
),
210 FLAG_INFO(CULL_FACE_FRONT
),
211 FLAG_INFO(CULL_FACE_BACK
),
216 #define FLAG_INFO(flag) { MALI_CLEAR_##flag, "MALI_CLEAR_" #flag }
217 static const struct pandecode_flag_info clear_flag_info
[] = {
220 FLAG_INFO(SLOW_STENCIL
),
225 #define FLAG_INFO(flag) { MALI_MASK_##flag, "MALI_MASK_" #flag }
226 static const struct pandecode_flag_info mask_flag_info
[] = {
235 #define FLAG_INFO(flag) { MALI_##flag, "MALI_" #flag }
236 static const struct pandecode_flag_info u3_flag_info
[] = {
238 FLAG_INFO(PER_SAMPLE
),
239 FLAG_INFO(CAN_DISCARD
),
240 FLAG_INFO(HAS_BLEND_SHADER
),
241 FLAG_INFO(DEPTH_WRITEMASK
),
242 FLAG_INFO(DEPTH_CLIP_NEAR
),
243 FLAG_INFO(DEPTH_CLIP_FAR
),
247 static const struct pandecode_flag_info u4_flag_info
[] = {
249 FLAG_INFO(NO_DITHER
),
250 FLAG_INFO(DEPTH_RANGE_A
),
251 FLAG_INFO(DEPTH_RANGE_B
),
252 FLAG_INFO(STENCIL_TEST
),
253 FLAG_INFO(ALPHA_TO_COVERAGE
),
258 #define FLAG_INFO(flag) { MALI_MFBD_FORMAT_##flag, "MALI_MFBD_FORMAT_" #flag }
259 static const struct pandecode_flag_info mfbd_fmt_flag_info
[] = {
265 #define FLAG_INFO(flag) { MALI_AFBC_##flag, "MALI_AFBC_" #flag }
266 static const struct pandecode_flag_info afbc_fmt_flag_info
[] = {
272 #define FLAG_INFO(flag) { MALI_EXTRA_##flag, "MALI_EXTRA_" #flag }
273 static const struct pandecode_flag_info mfbd_extra_flag_hi_info
[] = {
279 #define FLAG_INFO(flag) { MALI_EXTRA_##flag, "MALI_EXTRA_" #flag }
280 static const struct pandecode_flag_info mfbd_extra_flag_lo_info
[] = {
286 #define FLAG_INFO(flag) { MALI_##flag, "MALI_" #flag }
287 static const struct pandecode_flag_info shader_midgard1_flag_lo_info
[] = {
290 FLAG_INFO(READS_TILEBUFFER
),
291 FLAG_INFO(WRITES_GLOBAL
),
296 static const struct pandecode_flag_info shader_midgard1_flag_hi_info
[] = {
298 FLAG_INFO(SUPPRESS_INF_NAN
),
303 #define FLAG_INFO(flag) { MALI_BIFROST_##flag, "MALI_BIFROST_" #flag }
304 static const struct pandecode_flag_info shader_bifrost_info
[] = {
305 FLAG_INFO(FULL_THREAD
),
307 FLAG_INFO(FIRST_ATEST
),
313 #define FLAG_INFO(flag) { MALI_MFBD_##flag, "MALI_MFBD_" #flag }
314 static const struct pandecode_flag_info mfbd_flag_info
[] = {
315 FLAG_INFO(DEPTH_WRITE
),
321 #define FLAG_INFO(flag) { MALI_SFBD_FORMAT_##flag, "MALI_SFBD_FORMAT_" #flag }
322 static const struct pandecode_flag_info sfbd_unk1_info
[] = {
329 #define FLAG_INFO(flag) { MALI_SFBD_FORMAT_##flag, "MALI_SFBD_FORMAT_" #flag }
330 static const struct pandecode_flag_info sfbd_unk2_info
[] = {
337 #define DEFINE_CASE(name) case MALI_## name: return "MALI_" #name
338 static char *pandecode_format(enum mali_format format
)
340 static char unk_format_str
[10];
343 DEFINE_CASE(ETC2_RGB8
);
344 DEFINE_CASE(ETC2_R11_UNORM
);
345 DEFINE_CASE(ETC2_RGBA8
);
346 DEFINE_CASE(ETC2_RG11_UNORM
);
347 DEFINE_CASE(ETC2_R11_SNORM
);
348 DEFINE_CASE(ETC2_RG11_SNORM
);
349 DEFINE_CASE(ETC2_RGB8A1
);
351 DEFINE_CASE(BC1_UNORM
);
352 DEFINE_CASE(BC2_UNORM
);
353 DEFINE_CASE(BC3_UNORM
);
354 DEFINE_CASE(BC4_UNORM
);
355 DEFINE_CASE(BC4_SNORM
);
356 DEFINE_CASE(BC5_UNORM
);
357 DEFINE_CASE(BC5_SNORM
);
358 DEFINE_CASE(BC6H_UF16
);
359 DEFINE_CASE(BC6H_SF16
);
360 DEFINE_CASE(BC7_UNORM
);
361 DEFINE_CASE(ASTC_3D_LDR
);
362 DEFINE_CASE(ASTC_3D_HDR
);
363 DEFINE_CASE(ASTC_2D_LDR
);
364 DEFINE_CASE(ASTC_2D_HDR
);
366 DEFINE_CASE(RGB5_X1_UNORM
);
367 DEFINE_CASE(RGB5_A1_UNORM
);
368 DEFINE_CASE(RGB10_A2_UNORM
);
369 DEFINE_CASE(RGB10_A2_SNORM
);
370 DEFINE_CASE(RGB10_A2UI
);
371 DEFINE_CASE(RGB10_A2I
);
372 DEFINE_CASE(RGB332_UNORM
);
373 DEFINE_CASE(RGB233_UNORM
);
374 DEFINE_CASE(Z24X8_UNORM
);
375 DEFINE_CASE(R32_FIXED
);
376 DEFINE_CASE(RG32_FIXED
);
377 DEFINE_CASE(RGB32_FIXED
);
378 DEFINE_CASE(RGBA32_FIXED
);
379 DEFINE_CASE(R11F_G11F_B10F
);
380 DEFINE_CASE(R9F_G9F_B9F_E5F
);
381 DEFINE_CASE(VARYING_POS
);
382 DEFINE_CASE(VARYING_DISCARD
);
384 DEFINE_CASE(R8_SNORM
);
385 DEFINE_CASE(R16_SNORM
);
386 DEFINE_CASE(R32_SNORM
);
387 DEFINE_CASE(RG8_SNORM
);
388 DEFINE_CASE(RG16_SNORM
);
389 DEFINE_CASE(RG32_SNORM
);
390 DEFINE_CASE(RGB8_SNORM
);
391 DEFINE_CASE(RGB16_SNORM
);
392 DEFINE_CASE(RGB32_SNORM
);
393 DEFINE_CASE(RGBA8_SNORM
);
394 DEFINE_CASE(RGBA16_SNORM
);
395 DEFINE_CASE(RGBA32_SNORM
);
404 DEFINE_CASE(RGB16UI
);
405 DEFINE_CASE(RGB32UI
);
406 DEFINE_CASE(RGBA8UI
);
407 DEFINE_CASE(RGBA16UI
);
408 DEFINE_CASE(RGBA32UI
);
410 DEFINE_CASE(R8_UNORM
);
411 DEFINE_CASE(R16_UNORM
);
412 DEFINE_CASE(R32_UNORM
);
414 DEFINE_CASE(RG8_UNORM
);
415 DEFINE_CASE(RG16_UNORM
);
416 DEFINE_CASE(RG32_UNORM
);
418 DEFINE_CASE(RGB8_UNORM
);
419 DEFINE_CASE(RGB16_UNORM
);
420 DEFINE_CASE(RGB32_UNORM
);
422 DEFINE_CASE(RGBA4_UNORM
);
423 DEFINE_CASE(RGBA8_UNORM
);
424 DEFINE_CASE(RGBA16_UNORM
);
425 DEFINE_CASE(RGBA32_UNORM
);
426 DEFINE_CASE(RGBA32F
);
441 DEFINE_CASE(RGBA16I
);
442 DEFINE_CASE(RGBA32I
);
443 DEFINE_CASE(RGBA16F
);
446 DEFINE_CASE(RGBA8_2
);
447 DEFINE_CASE(RGB10_A2_2
);
449 snprintf(unk_format_str
, sizeof(unk_format_str
), "MALI_0x%02x", format
);
450 return unk_format_str
;
456 static char *pandecode_attr_mode_short(enum mali_attr_mode mode
)
459 /* TODO: Combine to just "instanced" once this can be done
460 * unambiguously in all known cases */
461 case MALI_ATTR_POT_DIVIDE
:
462 return "instanced_pot";
463 case MALI_ATTR_MODULO
:
464 return "instanced_mod";
465 case MALI_ATTR_NPOT_DIVIDE
:
466 return "instanced_npot";
467 case MALI_ATTR_IMAGE
:
470 pandecode_msg("XXX: invalid attribute mode %X\n", mode
);
476 pandecode_special_record(uint64_t v
, bool* attribute
)
479 case MALI_ATTR_VERTEXID
:
481 return "gl_VertexID";
482 case MALI_ATTR_INSTANCEID
:
484 return "gl_InstanceID";
485 case MALI_VARYING_FRAG_COORD
:
486 return "gl_FragCoord";
487 case MALI_VARYING_FRONT_FACING
:
488 return "gl_FrontFacing";
489 case MALI_VARYING_POINT_COORD
:
490 return "gl_PointCoord";
492 pandecode_msg("XXX: invalid special record %" PRIx64
"\n", v
);
497 #define DEFINE_CASE(name) case MALI_EXCEPTION_ACCESS_## name: return ""#name
499 pandecode_exception_access(unsigned access
)
503 DEFINE_CASE(EXECUTE
);
508 unreachable("Invalid case");
513 /* Midgard's tiler descriptor is embedded within the
517 pandecode_midgard_tiler_descriptor(
518 const struct midgard_tiler_descriptor
*t
,
524 pandecode_log(".tiler = {\n");
527 if (t
->hierarchy_mask
== MALI_TILER_DISABLED
)
528 pandecode_prop("hierarchy_mask = MALI_TILER_DISABLED");
530 pandecode_prop("hierarchy_mask = 0x%" PRIx16
, t
->hierarchy_mask
);
532 /* We know this name from the kernel, but we never see it nonzero */
535 pandecode_msg("XXX: unexpected tiler flags 0x%" PRIx16
, t
->flags
);
537 MEMORY_PROP(t
, polygon_list
);
539 /* The body is offset from the base of the polygon list */
540 //assert(t->polygon_list_body > t->polygon_list);
541 unsigned body_offset
= t
->polygon_list_body
- t
->polygon_list
;
543 /* It needs to fit inside the reported size */
544 //assert(t->polygon_list_size >= body_offset);
546 /* Now that we've sanity checked, we'll try to calculate the sizes
547 * ourselves for comparison */
549 unsigned ref_header
= panfrost_tiler_header_size(width
, height
, t
->hierarchy_mask
, has_hierarchy
);
550 unsigned ref_size
= panfrost_tiler_full_size(width
, height
, t
->hierarchy_mask
, has_hierarchy
);
552 if (!((ref_header
== body_offset
) && (ref_size
== t
->polygon_list_size
))) {
553 pandecode_msg("XXX: bad polygon list size (expected %d / 0x%x)\n",
554 ref_header
, ref_size
);
555 pandecode_prop("polygon_list_size = 0x%x", t
->polygon_list_size
);
556 pandecode_msg("body offset %d\n", body_offset
);
559 /* The tiler heap has a start and end specified -- it should be
560 * identical to what we have in the BO. The exception is if tiling is
563 MEMORY_PROP(t
, heap_start
);
564 assert(t
->heap_end
>= t
->heap_start
);
566 struct pandecode_mapped_memory
*heap
=
567 pandecode_find_mapped_gpu_mem_containing(t
->heap_start
);
569 unsigned heap_size
= t
->heap_end
- t
->heap_start
;
571 /* Tiling is enabled with a special flag */
572 unsigned hierarchy_mask
= t
->hierarchy_mask
& MALI_HIERARCHY_MASK
;
573 unsigned tiler_flags
= t
->hierarchy_mask
^ hierarchy_mask
;
575 bool tiling_enabled
= hierarchy_mask
;
577 if (tiling_enabled
) {
578 /* When tiling is enabled, the heap should be a tight fit */
579 unsigned heap_offset
= t
->heap_start
- heap
->gpu_va
;
580 if ((heap_offset
+ heap_size
) != heap
->length
) {
581 pandecode_msg("XXX: heap size %u (expected %zu)\n",
582 heap_size
, heap
->length
- heap_offset
);
585 /* We should also have no other flags */
587 pandecode_msg("XXX: unexpected tiler %X\n", tiler_flags
);
589 /* When tiling is disabled, we should have that flag and no others */
591 if (tiler_flags
!= MALI_TILER_DISABLED
) {
592 pandecode_msg("XXX: unexpected tiler flag %X, expected MALI_TILER_DISABLED\n",
596 /* We should also have an empty heap */
598 pandecode_msg("XXX: tiler heap size %d given, expected empty\n",
602 /* Disabled tiling is used only for clear-only jobs, which are
603 * purely FRAGMENT, so we should never see this for
604 * non-FRAGMENT descriptors. */
607 pandecode_msg("XXX: tiler disabled for non-FRAGMENT job\n");
610 /* We've never seen weights used in practice, but we know from the
611 * kernel these fields is there */
613 bool nonzero_weights
= false;
615 for (unsigned w
= 0; w
< ARRAY_SIZE(t
->weights
); ++w
) {
616 nonzero_weights
|= t
->weights
[w
] != 0x0;
619 if (nonzero_weights
) {
620 pandecode_log(".weights = { ");
622 for (unsigned w
= 0; w
< ARRAY_SIZE(t
->weights
); ++w
) {
623 pandecode_log_cont("%d, ", t
->weights
[w
]);
630 pandecode_log("}\n");
633 /* TODO: The Bifrost tiler is not understood at all yet */
636 pandecode_bifrost_tiler_descriptor(const struct mali_framebuffer
*fb
)
638 pandecode_log(".tiler = {\n");
641 MEMORY_PROP(fb
, tiler_meta
);
643 for (int i
= 0; i
< 16; i
++) {
644 if (fb
->zeros
[i
] != 0) {
645 pandecode_msg("XXX: tiler descriptor zero %d tripped, value %x\n",
650 pandecode_log("},\n");
653 pandecode_log("}\n");
657 /* Information about the framebuffer passed back for
658 * additional analysis */
660 struct pandecode_fbd
{
668 pandecode_sfbd_format(struct mali_sfbd_format format
)
670 pandecode_log(".format = {\n");
673 pandecode_log(".unk1 = ");
674 pandecode_log_decoded_flags(sfbd_unk1_info
, format
.unk1
);
675 pandecode_log_cont(",\n");
677 /* TODO: Map formats so we can check swizzles and print nicely */
678 pandecode_log("swizzle");
679 pandecode_swizzle(format
.swizzle
, MALI_RGBA8_UNORM
);
680 pandecode_log_cont(",\n");
682 pandecode_prop("nr_channels = MALI_POSITIVE(%d)",
683 (format
.nr_channels
+ 1));
685 pandecode_log(".unk2 = ");
686 pandecode_log_decoded_flags(sfbd_unk2_info
, format
.unk2
);
687 pandecode_log_cont(",\n");
689 pandecode_prop("block = %s", mali_block_format_as_str(format
.block
));
691 pandecode_prop("unk3 = 0x%" PRIx32
, format
.unk3
);
694 pandecode_log("},\n");
698 pandecode_shared_memory(const struct mali_shared_memory
*desc
, bool is_compute
)
700 pandecode_prop("stack_shift = 0x%x", desc
->stack_shift
);
703 pandecode_prop("unk0 = 0x%x", desc
->unk0
);
705 if (desc
->shared_workgroup_count
!= 0x1F) {
706 pandecode_prop("shared_workgroup_count = %d", desc
->shared_workgroup_count
);
708 pandecode_msg("XXX: wrong workgroup count for noncompute\n");
711 if (desc
->shared_unk1
|| desc
->shared_shift
) {
712 pandecode_prop("shared_unk1 = %X", desc
->shared_unk1
);
713 pandecode_prop("shared_shift = %X", desc
->shared_shift
);
716 pandecode_msg("XXX: shared memory configured in noncompute shader");
719 if (desc
->shared_zero
) {
720 pandecode_msg("XXX: shared memory zero tripped\n");
721 pandecode_prop("shared_zero = 0x%" PRIx32
, desc
->shared_zero
);
724 if (desc
->shared_memory
&& !is_compute
)
725 pandecode_msg("XXX: shared memory used in noncompute shader\n");
727 MEMORY_PROP(desc
, scratchpad
);
728 MEMORY_PROP(desc
, shared_memory
);
729 MEMORY_PROP(desc
, unknown1
);
731 if (desc
->scratchpad
) {
732 struct pandecode_mapped_memory
*smem
=
733 pandecode_find_mapped_gpu_mem_containing(desc
->scratchpad
);
735 pandecode_msg("scratchpad size %u\n", smem
->length
);
740 static struct pandecode_fbd
741 pandecode_sfbd(uint64_t gpu_va
, int job_no
, bool is_fragment
, unsigned gpu_id
)
743 struct pandecode_mapped_memory
*mem
= pandecode_find_mapped_gpu_mem_containing(gpu_va
);
744 const struct mali_single_framebuffer
*PANDECODE_PTR_VAR(s
, mem
, (mali_ptr
) gpu_va
);
746 struct pandecode_fbd info
= {
751 pandecode_log("struct mali_single_framebuffer framebuffer_%"PRIx64
"_%d = {\n", gpu_va
, job_no
);
754 pandecode_log(".shared_memory = {\n");
756 pandecode_shared_memory(&s
->shared_memory
, false);
758 pandecode_log("},\n");
760 pandecode_sfbd_format(s
->format
);
762 info
.width
= s
->width
+ 1;
763 info
.height
= s
->height
+ 1;
765 pandecode_prop("width = MALI_POSITIVE(%" PRId16
")", info
.width
);
766 pandecode_prop("height = MALI_POSITIVE(%" PRId16
")", info
.height
);
768 MEMORY_PROP(s
, checksum
);
770 if (s
->checksum_stride
)
771 pandecode_prop("checksum_stride = %d", s
->checksum_stride
);
773 MEMORY_PROP(s
, framebuffer
);
774 pandecode_prop("stride = %d", s
->stride
);
776 /* Earlier in the actual commandstream -- right before width -- but we
777 * delay to flow nicer */
779 pandecode_log(".clear_flags = ");
780 pandecode_log_decoded_flags(clear_flag_info
, s
->clear_flags
);
781 pandecode_log_cont(",\n");
783 if (s
->depth_buffer
) {
784 MEMORY_PROP(s
, depth_buffer
);
785 pandecode_prop("depth_stride = %d", s
->depth_stride
);
788 if (s
->stencil_buffer
) {
789 MEMORY_PROP(s
, stencil_buffer
);
790 pandecode_prop("stencil_stride = %d", s
->stencil_stride
);
793 if (s
->depth_stride_zero
||
794 s
->stencil_stride_zero
||
795 s
->zero7
|| s
->zero8
) {
796 pandecode_msg("XXX: Depth/stencil zeros tripped\n");
797 pandecode_prop("depth_stride_zero = 0x%x",
798 s
->depth_stride_zero
);
799 pandecode_prop("stencil_stride_zero = 0x%x",
800 s
->stencil_stride_zero
);
801 pandecode_prop("zero7 = 0x%" PRIx32
,
803 pandecode_prop("zero8 = 0x%" PRIx32
,
807 if (s
->clear_color_1
| s
->clear_color_2
| s
->clear_color_3
| s
->clear_color_4
) {
808 pandecode_prop("clear_color_1 = 0x%" PRIx32
, s
->clear_color_1
);
809 pandecode_prop("clear_color_2 = 0x%" PRIx32
, s
->clear_color_2
);
810 pandecode_prop("clear_color_3 = 0x%" PRIx32
, s
->clear_color_3
);
811 pandecode_prop("clear_color_4 = 0x%" PRIx32
, s
->clear_color_4
);
814 if (s
->clear_depth_1
!= 0 || s
->clear_depth_2
!= 0 || s
->clear_depth_3
!= 0 || s
->clear_depth_4
!= 0) {
815 pandecode_prop("clear_depth_1 = %f", s
->clear_depth_1
);
816 pandecode_prop("clear_depth_2 = %f", s
->clear_depth_2
);
817 pandecode_prop("clear_depth_3 = %f", s
->clear_depth_3
);
818 pandecode_prop("clear_depth_4 = %f", s
->clear_depth_4
);
821 if (s
->clear_stencil
) {
822 pandecode_prop("clear_stencil = 0x%x", s
->clear_stencil
);
825 const struct midgard_tiler_descriptor t
= s
->tiler
;
827 bool has_hierarchy
= !(gpu_id
== 0x0720 || gpu_id
== 0x0820 || gpu_id
== 0x0830);
828 pandecode_midgard_tiler_descriptor(&t
, s
->width
+ 1, s
->height
+ 1, is_fragment
, has_hierarchy
);
831 pandecode_log("};\n");
833 pandecode_prop("zero2 = 0x%" PRIx32
, s
->zero2
);
834 pandecode_prop("zero4 = 0x%" PRIx32
, s
->zero4
);
835 pandecode_prop("zero5 = 0x%" PRIx32
, s
->zero5
);
837 pandecode_log_cont(".zero3 = {");
839 for (int i
= 0; i
< sizeof(s
->zero3
) / sizeof(s
->zero3
[0]); ++i
)
840 pandecode_log_cont("%X, ", s
->zero3
[i
]);
842 pandecode_log_cont("},\n");
844 pandecode_log_cont(".zero6 = {");
846 for (int i
= 0; i
< sizeof(s
->zero6
) / sizeof(s
->zero6
[0]); ++i
)
847 pandecode_log_cont("%X, ", s
->zero6
[i
]);
849 pandecode_log_cont("},\n");
855 pandecode_compute_fbd(uint64_t gpu_va
, int job_no
)
857 struct pandecode_mapped_memory
*mem
= pandecode_find_mapped_gpu_mem_containing(gpu_va
);
858 const struct mali_shared_memory
*PANDECODE_PTR_VAR(s
, mem
, (mali_ptr
) gpu_va
);
860 pandecode_log("struct mali_shared_memory shared_%"PRIx64
"_%d = {\n", gpu_va
, job_no
);
862 pandecode_shared_memory(s
, true);
864 pandecode_log("},\n");
867 /* Extracts the number of components associated with a Mali format */
870 pandecode_format_component_count(enum mali_format fmt
)
872 /* Mask out the format class */
873 unsigned top
= fmt
& 0b11100000;
876 case MALI_FORMAT_SNORM
:
877 case MALI_FORMAT_UINT
:
878 case MALI_FORMAT_UNORM
:
879 case MALI_FORMAT_SINT
:
880 return ((fmt
>> 3) & 3) + 1;
887 /* Extracts a mask of accessed components from a 12-bit Mali swizzle */
890 pandecode_access_mask_from_channel_swizzle(unsigned swizzle
)
893 assert(MALI_CHANNEL_RED
== 0);
895 for (unsigned c
= 0; c
< 4; ++c
) {
896 enum mali_channel chan
= (swizzle
>> (3*c
)) & 0x7;
898 if (chan
<= MALI_CHANNEL_ALPHA
)
905 /* Validates that a (format, swizzle) pair is valid, in the sense that the
906 * swizzle doesn't access any components that are undefined in the format.
907 * Returns whether the swizzle is trivial (doesn't do any swizzling) and can be
911 pandecode_validate_format_swizzle(enum mali_format fmt
, unsigned swizzle
)
913 unsigned nr_comp
= pandecode_format_component_count(fmt
);
914 unsigned access_mask
= pandecode_access_mask_from_channel_swizzle(swizzle
);
915 unsigned valid_mask
= (1 << nr_comp
) - 1;
916 unsigned invalid_mask
= ~valid_mask
;
918 if (access_mask
& invalid_mask
) {
919 pandecode_msg("XXX: invalid components accessed\n");
923 /* Check for the default non-swizzling swizzle so we can suppress
924 * useless printing for the defaults */
926 unsigned default_swizzles
[4] = {
927 MALI_CHANNEL_RED
| (MALI_CHANNEL_ZERO
<< 3) | (MALI_CHANNEL_ZERO
<< 6) | (MALI_CHANNEL_ONE
<< 9),
928 MALI_CHANNEL_RED
| (MALI_CHANNEL_GREEN
<< 3) | (MALI_CHANNEL_ZERO
<< 6) | (MALI_CHANNEL_ONE
<< 9),
929 MALI_CHANNEL_RED
| (MALI_CHANNEL_GREEN
<< 3) | (MALI_CHANNEL_BLUE
<< 6) | (MALI_CHANNEL_ONE
<< 9),
930 MALI_CHANNEL_RED
| (MALI_CHANNEL_GREEN
<< 3) | (MALI_CHANNEL_BLUE
<< 6) | (MALI_CHANNEL_ALPHA
<< 9)
933 return (swizzle
== default_swizzles
[nr_comp
- 1]);
936 /* Maps MALI_RGBA32F to rgba32f, etc */
939 pandecode_format_short(enum mali_format fmt
, bool srgb
)
941 /* We want a type-like format, so cut off the initial MALI_ */
942 char *format
= pandecode_format(fmt
);
943 format
+= strlen("MALI_");
945 unsigned len
= strlen(format
);
946 char *lower_format
= calloc(1, len
+ 1);
948 for (unsigned i
= 0; i
< len
; ++i
)
949 lower_format
[i
] = tolower(format
[i
]);
951 /* Sanity check sRGB flag is applied to RGB, per the name */
952 if (srgb
&& lower_format
[0] != 'r')
953 pandecode_msg("XXX: sRGB applied to non-colour format\n");
955 /* Just prefix with an s, so you get formats like srgba8_unorm */
957 pandecode_log_cont("s");
959 pandecode_log_cont("%s", lower_format
);
964 pandecode_swizzle(unsigned swizzle
, enum mali_format format
)
966 /* First, do some validation */
967 bool trivial_swizzle
= pandecode_validate_format_swizzle(
973 /* Next, print the swizzle */
974 pandecode_log_cont(".");
976 static const char components
[] = "rgba01";
978 for (unsigned c
= 0; c
< 4; ++c
) {
979 enum mali_channel chan
= (swizzle
>> (3 * c
)) & 0x7;
981 if (chan
>= MALI_CHANNEL_RESERVED_0
) {
982 pandecode_log("XXX: invalid swizzle channel %d\n", chan
);
985 pandecode_log_cont("%c", components
[chan
]);
990 pandecode_rt_format(struct mali_rt_format format
)
992 pandecode_log(".format = {\n");
995 pandecode_prop("unk1 = 0x%" PRIx32
, format
.unk1
);
996 pandecode_prop("unk2 = 0x%" PRIx32
, format
.unk2
);
997 pandecode_prop("unk3 = 0x%" PRIx32
, format
.unk3
);
998 pandecode_prop("unk4 = 0x%" PRIx32
, format
.unk4
);
1000 pandecode_prop("block = %s", mali_block_format_as_str(format
.block
));
1002 /* TODO: Map formats so we can check swizzles and print nicely */
1003 pandecode_log("swizzle");
1004 pandecode_swizzle(format
.swizzle
, MALI_RGBA8_UNORM
);
1005 pandecode_log_cont(",\n");
1007 pandecode_prop("nr_channels = MALI_POSITIVE(%d)",
1008 (format
.nr_channels
+ 1));
1010 pandecode_log(".flags = ");
1011 pandecode_log_decoded_flags(mfbd_fmt_flag_info
, format
.flags
);
1012 pandecode_log_cont(",\n");
1014 pandecode_prop("msaa = %s", mali_msaa_as_str(format
.msaa
));
1016 /* In theory, the no_preload bit can be cleared to enable MFBD preload,
1017 * which is a faster hardware-based alternative to the wallpaper method
1018 * to preserve framebuffer contents across frames. In practice, MFBD
1019 * preload is buggy on Midgard, and so this is a chicken bit. If this
1020 * bit isn't set, most likely something broke unrelated to preload */
1022 if (!format
.no_preload
) {
1023 pandecode_msg("XXX: buggy MFBD preload enabled - chicken bit should be clear\n");
1024 pandecode_prop("no_preload = 0x%" PRIx32
, format
.no_preload
);
1028 pandecode_prop("zero = 0x%" PRIx32
, format
.zero
);
1031 pandecode_log("},\n");
1035 pandecode_render_target(uint64_t gpu_va
, unsigned job_no
, const struct mali_framebuffer
*fb
)
1037 pandecode_log("struct mali_render_target rts_list_%"PRIx64
"_%d[] = {\n", gpu_va
, job_no
);
1040 for (int i
= 0; i
< (fb
->rt_count_1
+ 1); i
++) {
1041 mali_ptr rt_va
= gpu_va
+ i
* sizeof(struct mali_render_target
);
1042 struct pandecode_mapped_memory
*mem
=
1043 pandecode_find_mapped_gpu_mem_containing(rt_va
);
1044 const struct mali_render_target
*PANDECODE_PTR_VAR(rt
, mem
, (mali_ptr
) rt_va
);
1046 pandecode_log("{\n");
1049 pandecode_rt_format(rt
->format
);
1051 if (rt
->format
.block
== MALI_BLOCK_FORMAT_AFBC
) {
1052 pandecode_log(".afbc = {\n");
1055 char *a
= pointer_as_memory_reference(rt
->afbc
.metadata
);
1056 pandecode_prop("metadata = %s", a
);
1059 pandecode_prop("stride = %d", rt
->afbc
.stride
);
1061 pandecode_log(".flags = ");
1062 pandecode_log_decoded_flags(afbc_fmt_flag_info
, rt
->afbc
.flags
);
1063 pandecode_log_cont(",\n");
1066 pandecode_log("},\n");
1067 } else if (rt
->afbc
.metadata
|| rt
->afbc
.stride
|| rt
->afbc
.flags
) {
1068 pandecode_msg("XXX: AFBC disabled but AFBC field set (0x%lX, 0x%x, 0x%x)\n",
1074 MEMORY_PROP(rt
, framebuffer
);
1075 pandecode_prop("framebuffer_stride = %d", rt
->framebuffer_stride
);
1077 if (rt
->layer_stride
)
1078 pandecode_prop("layer_stride = %d", rt
->layer_stride
);
1080 if (rt
->clear_color_1
| rt
->clear_color_2
| rt
->clear_color_3
| rt
->clear_color_4
) {
1081 pandecode_prop("clear_color_1 = 0x%" PRIx32
, rt
->clear_color_1
);
1082 pandecode_prop("clear_color_2 = 0x%" PRIx32
, rt
->clear_color_2
);
1083 pandecode_prop("clear_color_3 = 0x%" PRIx32
, rt
->clear_color_3
);
1084 pandecode_prop("clear_color_4 = 0x%" PRIx32
, rt
->clear_color_4
);
1087 if (rt
->zero1
|| rt
->zero2
) {
1088 pandecode_msg("XXX: render target zeros tripped\n");
1089 pandecode_prop("zero1 = 0x%" PRIx64
, rt
->zero1
);
1090 pandecode_prop("zero2 = 0x%" PRIx32
, rt
->zero2
);
1094 pandecode_log("},\n");
1098 pandecode_log("};\n");
1101 static struct pandecode_fbd
1102 pandecode_mfbd_bfr(uint64_t gpu_va
, int job_no
, bool is_fragment
, bool is_compute
, bool is_bifrost
)
1104 struct pandecode_mapped_memory
*mem
= pandecode_find_mapped_gpu_mem_containing(gpu_va
);
1105 const struct mali_framebuffer
*PANDECODE_PTR_VAR(fb
, mem
, (mali_ptr
) gpu_va
);
1107 struct pandecode_fbd info
;
1109 if (is_bifrost
&& fb
->msaa
.sample_locations
) {
1110 /* The blob stores all possible sample locations in a single buffer
1111 * allocated on startup, and just switches the pointer when switching
1112 * MSAA state. For now, we just put the data into the cmdstream, but we
1113 * should do something like what the blob does with a real driver.
1115 * There seem to be 32 slots for sample locations, followed by another
1116 * 16. The second 16 is just the center location followed by 15 zeros
1117 * in all the cases I've identified (maybe shader vs. depth/color
1121 struct pandecode_mapped_memory
*smem
= pandecode_find_mapped_gpu_mem_containing(fb
->msaa
.sample_locations
);
1123 const u16
*PANDECODE_PTR_VAR(samples
, smem
, fb
->msaa
.sample_locations
);
1125 pandecode_log("uint16_t sample_locations_%d[] = {\n", job_no
);
1128 for (int i
= 0; i
< 32 + 16; i
++) {
1129 pandecode_log("%d, %d,\n", samples
[2 * i
], samples
[2 * i
+ 1]);
1133 pandecode_log("};\n");
1136 pandecode_log("struct mali_framebuffer framebuffer_%"PRIx64
"_%d = {\n", gpu_va
, job_no
);
1140 pandecode_log(".msaa = {\n");
1143 if (fb
->msaa
.sample_locations
)
1144 pandecode_prop("sample_locations = sample_locations_%d", job_no
);
1146 pandecode_msg("XXX: sample_locations missing\n");
1148 if (fb
->msaa
.zero1
|| fb
->msaa
.zero2
|| fb
->msaa
.zero4
) {
1149 pandecode_msg("XXX: multisampling zero tripped\n");
1150 pandecode_prop("zero1 = %" PRIx64
, fb
->msaa
.zero1
);
1151 pandecode_prop("zero2 = %" PRIx64
, fb
->msaa
.zero2
);
1152 pandecode_prop("zero4 = %" PRIx64
, fb
->msaa
.zero4
);
1156 pandecode_log("},\n");
1158 pandecode_log(".shared_memory = {\n");
1160 pandecode_shared_memory(&fb
->shared_memory
, is_compute
);
1162 pandecode_log("},\n");
1165 info
.width
= fb
->width1
+ 1;
1166 info
.height
= fb
->height1
+ 1;
1167 info
.rt_count
= fb
->rt_count_1
+ 1;
1169 pandecode_prop("width1 = MALI_POSITIVE(%d)", fb
->width1
+ 1);
1170 pandecode_prop("height1 = MALI_POSITIVE(%d)", fb
->height1
+ 1);
1171 pandecode_prop("width2 = MALI_POSITIVE(%d)", fb
->width2
+ 1);
1172 pandecode_prop("height2 = MALI_POSITIVE(%d)", fb
->height2
+ 1);
1174 pandecode_prop("unk1 = 0x%x", fb
->unk1
);
1175 pandecode_prop("unk2 = 0x%x", fb
->unk2
);
1176 pandecode_prop("rt_count_1 = MALI_POSITIVE(%d)", fb
->rt_count_1
+ 1);
1177 pandecode_prop("rt_count_2 = %d", fb
->rt_count_2
);
1179 pandecode_log(".mfbd_flags = ");
1180 pandecode_log_decoded_flags(mfbd_flag_info
, fb
->mfbd_flags
);
1181 pandecode_log_cont(",\n");
1183 if (fb
->clear_stencil
)
1184 pandecode_prop("clear_stencil = 0x%x", fb
->clear_stencil
);
1186 if (fb
->clear_depth
)
1187 pandecode_prop("clear_depth = %f", fb
->clear_depth
);
1191 pandecode_bifrost_tiler_descriptor(fb
);
1193 const struct midgard_tiler_descriptor t
= fb
->tiler
;
1194 pandecode_midgard_tiler_descriptor(&t
, fb
->width1
+ 1, fb
->height1
+ 1, is_fragment
, true);
1197 pandecode_msg("XXX: skipping compute MFBD, fixme\n");
1199 if (fb
->zero3
|| fb
->zero4
) {
1200 pandecode_msg("XXX: framebuffer zeros tripped\n");
1201 pandecode_prop("zero3 = 0x%" PRIx32
, fb
->zero3
);
1202 pandecode_prop("zero4 = 0x%" PRIx32
, fb
->zero4
);
1206 pandecode_log("};\n");
1208 gpu_va
+= sizeof(struct mali_framebuffer
);
1210 info
.has_extra
= (fb
->mfbd_flags
& MALI_MFBD_EXTRA
) && is_fragment
;
1212 if (info
.has_extra
) {
1213 mem
= pandecode_find_mapped_gpu_mem_containing(gpu_va
);
1214 const struct mali_framebuffer_extra
*PANDECODE_PTR_VAR(fbx
, mem
, (mali_ptr
) gpu_va
);
1216 pandecode_log("struct mali_framebuffer_extra fb_extra_%"PRIx64
"_%d = {\n", gpu_va
, job_no
);
1219 MEMORY_PROP(fbx
, checksum
);
1221 if (fbx
->checksum_stride
)
1222 pandecode_prop("checksum_stride = %d", fbx
->checksum_stride
);
1224 pandecode_log(".flags_hi = ");
1225 pandecode_log_decoded_flags(mfbd_extra_flag_hi_info
, fbx
->flags_hi
);
1226 pandecode_log_cont(",\n");
1228 pandecode_log(".flags_lo = ");
1229 pandecode_log_decoded_flags(mfbd_extra_flag_lo_info
, fbx
->flags_lo
);
1230 pandecode_log_cont(",\n");
1232 pandecode_prop("zs_block = %s", mali_block_format_as_str(fbx
->zs_block
));
1233 pandecode_prop("zs_samples = MALI_POSITIVE(%u)", fbx
->zs_samples
+ 1);
1235 if (fbx
->zs_block
== MALI_BLOCK_FORMAT_AFBC
) {
1236 pandecode_log(".ds_afbc = {\n");
1239 MEMORY_PROP_DIR(fbx
->ds_afbc
, depth_stencil_afbc_metadata
);
1240 pandecode_prop("depth_stencil_afbc_stride = %d",
1241 fbx
->ds_afbc
.depth_stencil_afbc_stride
);
1242 MEMORY_PROP_DIR(fbx
->ds_afbc
, depth_stencil
);
1244 pandecode_log(".flags = ");
1245 pandecode_log_decoded_flags(afbc_fmt_flag_info
, fbx
->ds_afbc
.flags
);
1246 pandecode_log_cont(",\n");
1248 if (fbx
->ds_afbc
.padding
) {
1249 pandecode_msg("XXX: Depth/stencil AFBC zeros tripped\n");
1250 pandecode_prop("padding = 0x%" PRIx64
, fbx
->ds_afbc
.padding
);
1254 pandecode_log("},\n");
1256 pandecode_log(".ds_linear = {\n");
1259 if (fbx
->ds_linear
.depth
) {
1260 MEMORY_PROP_DIR(fbx
->ds_linear
, depth
);
1261 pandecode_prop("depth_stride = %d",
1262 fbx
->ds_linear
.depth_stride
);
1263 pandecode_prop("depth_layer_stride = %d",
1264 fbx
->ds_linear
.depth_layer_stride
);
1265 } else if (fbx
->ds_linear
.depth_stride
|| fbx
->ds_linear
.depth_layer_stride
) {
1266 pandecode_msg("XXX: depth stride zero tripped %d %d\n", fbx
->ds_linear
.depth_stride
, fbx
->ds_linear
.depth_layer_stride
);
1269 if (fbx
->ds_linear
.stencil
) {
1270 MEMORY_PROP_DIR(fbx
->ds_linear
, stencil
);
1271 pandecode_prop("stencil_stride = %d",
1272 fbx
->ds_linear
.stencil_stride
);
1273 pandecode_prop("stencil_layer_stride = %d",
1274 fbx
->ds_linear
.stencil_layer_stride
);
1275 } else if (fbx
->ds_linear
.stencil_stride
|| fbx
->ds_linear
.stencil_layer_stride
) {
1276 pandecode_msg("XXX: stencil stride zero tripped %d %d\n", fbx
->ds_linear
.stencil_stride
, fbx
->ds_linear
.stencil_layer_stride
);
1279 if (fbx
->ds_linear
.depth_stride_zero
||
1280 fbx
->ds_linear
.stencil_stride_zero
) {
1281 pandecode_msg("XXX: Depth/stencil zeros tripped\n");
1282 pandecode_prop("depth_stride_zero = 0x%x",
1283 fbx
->ds_linear
.depth_stride_zero
);
1284 pandecode_prop("stencil_stride_zero = 0x%x",
1285 fbx
->ds_linear
.stencil_stride_zero
);
1289 pandecode_log("},\n");
1292 if (fbx
->clear_color_1
| fbx
->clear_color_2
) {
1293 pandecode_prop("clear_color_1 = 0x%" PRIx32
, fbx
->clear_color_1
);
1294 pandecode_prop("clear_color_2 = 0x%" PRIx32
, fbx
->clear_color_2
);
1298 pandecode_msg("XXX: fb_extra zeros tripped\n");
1299 pandecode_prop("zero3 = 0x%" PRIx64
, fbx
->zero3
);
1303 pandecode_log("};\n");
1305 gpu_va
+= sizeof(struct mali_framebuffer_extra
);
1309 pandecode_render_target(gpu_va
, job_no
, fb
);
1314 /* Just add a comment decoding the shift/odd fields forming the padded vertices
1318 pandecode_padded_vertices(unsigned shift
, unsigned k
)
1320 unsigned odd
= 2*k
+ 1;
1321 unsigned pot
= 1 << shift
;
1322 pandecode_msg("padded_num_vertices = %d\n", odd
* pot
);
1325 /* Given a magic divisor, recover what we were trying to divide by.
1327 * Let m represent the magic divisor. By definition, m is an element on Z, whre
1328 * 0 <= m < 2^N, for N bits in m.
1330 * Let q represent the number we would like to divide by.
1332 * By definition of a magic divisor for N-bit unsigned integers (a number you
1333 * multiply by to magically get division), m is a number such that:
1335 * (m * x) & (2^N - 1) = floor(x/q).
1336 * for all x on Z where 0 <= x < 2^N
1338 * Ignore the case where any of the above values equals zero; it is irrelevant
1339 * for our purposes (instanced arrays).
1341 * Choose x = q. Then:
1343 * (m * x) & (2^N - 1) = floor(x/q).
1344 * (m * q) & (2^N - 1) = floor(q/q).
1346 * floor(q/q) = floor(1) = 1, therefore:
1348 * (m * q) & (2^N - 1) = 1
1350 * Recall the identity that the bitwise AND of one less than a power-of-two
1351 * equals the modulo with that power of two, i.e. for all x:
1353 * x & (2^N - 1) = x % N
1359 * By definition, a modular multiplicative inverse of a number m is the number
1360 * q such that with respect to a modulos M:
1364 * Therefore, q is the modular multiplicative inverse of m with modulus 2^N.
1369 pandecode_magic_divisor(uint32_t magic
, unsigned shift
, unsigned orig_divisor
, unsigned extra
)
1372 /* Compute the modular inverse of `magic` with respect to 2^(32 -
1373 * shift) the most lame way possible... just repeatedly add.
1374 * Asymptoptically slow but nobody cares in practice, unless you have
1375 * massive numbers of vertices or high divisors. */
1377 unsigned inverse
= 0;
1379 /* Magic implicitly has the highest bit set */
1382 /* Depending on rounding direction */
1387 uint32_t product
= magic
* inverse
;
1399 pandecode_msg("dividing by %d (maybe off by two)\n", inverse
);
1401 /* Recall we're supposed to divide by (gl_level_divisor *
1402 * padded_num_vertices) */
1404 unsigned padded_num_vertices
= inverse
/ orig_divisor
;
1406 pandecode_msg("padded_num_vertices = %d\n", padded_num_vertices
);
1411 pandecode_attributes(const struct pandecode_mapped_memory
*mem
,
1412 mali_ptr addr
, int job_no
, char *suffix
,
1413 int count
, bool varying
, enum mali_job_type job_type
)
1415 char *prefix
= varying
? "varying" : "attribute";
1419 pandecode_msg("warn: No %s records\n", prefix
);
1423 union mali_attr
*attr
= pandecode_fetch_gpu_mem(mem
, addr
, sizeof(union mali_attr
) * count
);
1425 for (int i
= 0; i
< count
; ++i
) {
1426 /* First, check for special records */
1427 if (attr
[i
].elements
< MALI_RECORD_SPECIAL
) {
1429 pandecode_msg("XXX: tripped size=%d\n", attr
[i
].size
);
1431 if (attr
[i
].stride
) {
1432 /* gl_InstanceID passes a magic divisor in the
1433 * stride field to divide by the padded vertex
1434 * count. No other records should do so, so
1435 * stride should otherwise be zero. Note that
1436 * stride in the usual attribute sense doesn't
1437 * apply to special records. */
1439 bool has_divisor
= attr
[i
].elements
== MALI_ATTR_INSTANCEID
;
1441 pandecode_log_cont("/* %smagic divisor = %X */ ",
1442 has_divisor
? "" : "XXX: ", attr
[i
].stride
);
1445 if (attr
[i
].shift
|| attr
[i
].extra_flags
) {
1446 /* Attributes use these fields for
1447 * instancing/padding/etc type issues, but
1450 pandecode_log_cont("/* %sshift=%d, extra=%d */ ",
1451 varying
? "XXX: " : "",
1452 attr
[i
].shift
, attr
[i
].extra_flags
);
1455 /* Print the special record name */
1456 bool attribute
= false;
1457 pandecode_log("%s_%d = %s;\n", prefix
, i
, pandecode_special_record(attr
[i
].elements
, &attribute
));
1460 if (attribute
== varying
)
1461 pandecode_msg("XXX: mismatched special record\n");
1466 enum mali_attr_mode mode
= attr
[i
].elements
& 7;
1468 if (mode
== MALI_ATTR_UNUSED
)
1469 pandecode_msg("XXX: unused attribute record\n");
1471 /* For non-linear records, we need to print the type of record */
1472 if (mode
!= MALI_ATTR_LINEAR
)
1473 pandecode_log_cont("%s ", pandecode_attr_mode_short(mode
));
1475 /* Print the name to link with attr_meta */
1476 pandecode_log_cont("%s_%d", prefix
, i
);
1478 /* Print the stride and size */
1479 pandecode_log_cont("<%u>[%u]", attr
[i
].stride
, attr
[i
].size
);
1481 /* TODO: Sanity check the quotient itself. It must be equal to
1482 * (or be greater than, if the driver added padding) the padded
1485 /* Finally, print the pointer */
1486 mali_ptr raw_elements
= attr
[i
].elements
& ~7;
1487 char *a
= pointer_as_memory_reference(raw_elements
);
1488 pandecode_log_cont(" = (%s);\n", a
);
1491 /* Check the pointer */
1492 pandecode_validate_buffer(raw_elements
, attr
[i
].size
);
1494 /* shift/extra_flags exist only for instanced */
1495 if (attr
[i
].shift
| attr
[i
].extra_flags
) {
1496 /* These are set to random values by the blob for
1497 * varyings, most likely a symptom of uninitialized
1498 * memory where the hardware masked the bug. As such we
1499 * put this at a warning, not an error. */
1501 if (mode
== MALI_ATTR_LINEAR
)
1502 pandecode_msg("warn: instancing fields set for linear\n");
1504 pandecode_prop("shift = %d", attr
[i
].shift
);
1505 pandecode_prop("extra_flags = %d", attr
[i
].extra_flags
);
1508 /* Decode further where possible */
1510 if (mode
== MALI_ATTR_MODULO
) {
1511 pandecode_padded_vertices(
1513 attr
[i
].extra_flags
);
1516 if (mode
== MALI_ATTR_NPOT_DIVIDE
) {
1518 pandecode_log("{\n");
1520 pandecode_prop("unk = 0x%x", attr
[i
].unk
);
1521 pandecode_prop("magic_divisor = 0x%08x", attr
[i
].magic_divisor
);
1522 if (attr
[i
].zero
!= 0)
1523 pandecode_prop("XXX: zero tripped (0x%x)\n", attr
[i
].zero
);
1524 pandecode_prop("divisor = %d", attr
[i
].divisor
);
1525 pandecode_magic_divisor(attr
[i
].magic_divisor
, attr
[i
- 1].shift
, attr
[i
].divisor
, attr
[i
- 1].extra_flags
);
1527 pandecode_log("}, \n");
1532 pandecode_log("\n");
1536 pandecode_shader_address(const char *name
, mali_ptr ptr
)
1538 /* TODO: Decode flags */
1539 mali_ptr shader_ptr
= ptr
& ~15;
1541 char *a
= pointer_as_memory_reference(shader_ptr
);
1542 pandecode_prop("%s = (%s) | %d", name
, a
, (int) (ptr
& 15));
1549 pandecode_blend_equation(const struct mali_blend_equation
*blend
)
1552 pandecode_msg("XXX: blend zero tripped: %X\n", blend
->zero1
);
1554 pandecode_log(".equation = {\n");
1557 pandecode_prop("rgb_mode = 0x%X", blend
->rgb_mode
);
1558 pandecode_prop("alpha_mode = 0x%X", blend
->alpha_mode
);
1560 pandecode_log(".color_mask = ");
1561 pandecode_log_decoded_flags(mask_flag_info
, blend
->color_mask
);
1562 pandecode_log_cont(",\n");
1565 pandecode_log("},\n");
1568 /* Decodes a Bifrost blend constant. See the notes in bifrost_blend_rt */
1571 decode_bifrost_constant(u16 constant
)
1573 float lo
= (float) (constant
& 0xFF);
1574 float hi
= (float) (constant
>> 8);
1576 return (hi
/ 255.0) + (lo
/ 65535.0);
1580 pandecode_bifrost_blend(void *descs
, int job_no
, int rt_no
)
1582 struct bifrost_blend_rt
*b
=
1583 ((struct bifrost_blend_rt
*) descs
) + rt_no
;
1585 pandecode_log("struct bifrost_blend_rt blend_rt_%d_%d = {\n", job_no
, rt_no
);
1588 pandecode_prop("flags = 0x%" PRIx16
, b
->flags
);
1589 pandecode_prop("constant = 0x%" PRIx8
" /* %f */",
1590 b
->constant
, decode_bifrost_constant(b
->constant
));
1592 /* TODO figure out blend shader enable bit */
1593 pandecode_blend_equation(&b
->equation
);
1595 pandecode_prop("unk2 = 0x%" PRIx16
, b
->unk2
);
1596 pandecode_prop("index = 0x%" PRIx16
, b
->index
);
1598 pandecode_log(".format = ");
1599 pandecode_format_short(b
->format
, false);
1600 pandecode_swizzle(b
->swizzle
, b
->format
);
1601 pandecode_log_cont(",\n");
1603 pandecode_prop("swizzle = 0x%" PRIx32
, b
->swizzle
);
1604 pandecode_prop("format = 0x%" PRIx32
, b
->format
);
1607 pandecode_msg("XXX: pandecode_bifrost_blend zero1 tripped\n");
1608 pandecode_prop("zero1 = 0x%" PRIx32
, b
->zero1
);
1611 pandecode_log(".shader_type = ");
1612 switch(b
->shader_type
) {
1613 case BIFROST_BLEND_F16
:
1614 pandecode_log_cont("BIFROST_BLEND_F16");
1616 case BIFROST_BLEND_F32
:
1617 pandecode_log_cont("BIFROST_BLEND_F32");
1619 case BIFROST_BLEND_I32
:
1620 pandecode_log_cont("BIFROST_BLEND_I32");
1622 case BIFROST_BLEND_U32
:
1623 pandecode_log_cont("BIFROST_BLEND_U32");
1625 case BIFROST_BLEND_I16
:
1626 pandecode_log_cont("BIFROST_BLEND_I16");
1628 case BIFROST_BLEND_U16
:
1629 pandecode_log_cont("BIFROST_BLEND_U16");
1632 pandecode_log_cont(",\n");
1635 pandecode_msg("XXX: pandecode_bifrost_blend zero2 tripped\n");
1636 pandecode_prop("zero2 = 0x%" PRIx32
, b
->zero2
);
1639 pandecode_prop("shader = 0x%" PRIx32
, b
->shader
);
1642 pandecode_log("},\n");
1648 pandecode_midgard_blend(union midgard_blend
*blend
, bool is_shader
)
1650 /* constant/equation is in a union */
1654 pandecode_log(".blend = {\n");
1658 pandecode_shader_address("shader", blend
->shader
);
1660 pandecode_blend_equation(&blend
->equation
);
1661 pandecode_prop("constant = %f", blend
->constant
);
1665 pandecode_log("},\n");
1667 /* Return blend shader to disassemble if present */
1668 return is_shader
? (blend
->shader
& ~0xF) : 0;
1672 pandecode_midgard_blend_mrt(void *descs
, int job_no
, int rt_no
)
1674 struct midgard_blend_rt
*b
=
1675 ((struct midgard_blend_rt
*) descs
) + rt_no
;
1677 /* Flags determine presence of blend shader */
1678 bool is_shader
= (b
->flags
& 0xF) >= 0x2;
1680 pandecode_log("struct midgard_blend_rt blend_rt_%d_%d = {\n", job_no
, rt_no
);
1683 pandecode_prop("flags = 0x%" PRIx64
, b
->flags
);
1685 union midgard_blend blend
= b
->blend
;
1686 mali_ptr shader
= pandecode_midgard_blend(&blend
, is_shader
);
1689 pandecode_log("};\n");
1694 /* Attributes and varyings have descriptor records, which contain information
1695 * about their format and ordering with the attribute/varying buffers. We'll
1696 * want to validate that the combinations specified are self-consistent.
1700 pandecode_attribute_meta(int job_no
, int count
, const struct mali_vertex_tiler_postfix
*v
, bool varying
, char *suffix
)
1703 char *prefix
= varying
? "varying" : "attribute";
1704 unsigned max_index
= 0;
1705 snprintf(base
, sizeof(base
), "%s_meta", prefix
);
1707 struct mali_attr_meta
*attr_meta
;
1708 mali_ptr p
= varying
? v
->varying_meta
: v
->attribute_meta
;
1710 struct pandecode_mapped_memory
*attr_mem
= pandecode_find_mapped_gpu_mem_containing(p
);
1712 for (int i
= 0; i
< count
; ++i
, p
+= sizeof(struct mali_attr_meta
)) {
1713 attr_meta
= pandecode_fetch_gpu_mem(attr_mem
, p
,
1716 /* If the record is discard, it should be zero for everything else */
1718 if (attr_meta
->format
== MALI_VARYING_DISCARD
) {
1721 attr_meta
->unknown1
|
1722 attr_meta
->unknown3
|
1723 attr_meta
->src_offset
;
1726 pandecode_msg("XXX: expected empty record for varying discard\n");
1728 /* We want to look for a literal 0000 swizzle -- this
1729 * is not encoded with all zeroes, however */
1731 enum mali_channel z
= MALI_CHANNEL_ZERO
;
1732 unsigned zero_swizzle
= z
| (z
<< 3) | (z
<< 6) | (z
<< 9);
1733 bool good_swizzle
= attr_meta
->swizzle
== zero_swizzle
;
1736 pandecode_msg("XXX: expected zero swizzle for discard\n");
1739 pandecode_msg("XXX: cannot discard attribute\n");
1741 /* If we're all good, omit the record */
1742 if (!zero
&& varying
&& good_swizzle
) {
1743 pandecode_log("/* discarded varying */\n");
1748 if (attr_meta
->index
> max_index
)
1749 max_index
= attr_meta
->index
;
1751 if (attr_meta
->unknown1
!= 0x2) {
1752 pandecode_msg("XXX: expected unknown1 = 0x2\n");
1753 pandecode_prop("unknown1 = 0x%" PRIx64
, (u64
) attr_meta
->unknown1
);
1756 if (attr_meta
->unknown3
) {
1757 pandecode_msg("XXX: unexpected unknown3 set\n");
1758 pandecode_prop("unknown3 = 0x%" PRIx64
, (u64
) attr_meta
->unknown3
);
1761 pandecode_format_short(attr_meta
->format
, false);
1762 pandecode_log_cont(" %s_%u", prefix
, attr_meta
->index
);
1764 if (attr_meta
->src_offset
)
1765 pandecode_log_cont("[%u]", attr_meta
->src_offset
);
1767 pandecode_swizzle(attr_meta
->swizzle
, attr_meta
->format
);
1769 pandecode_log_cont(";\n");
1772 pandecode_log("\n");
1774 return count
? (max_index
+ 1) : 0;
1777 /* return bits [lo, hi) of word */
1779 bits(u32 word
, u32 lo
, u32 hi
)
1782 return word
; // avoid undefined behavior with the shift
1784 return (word
>> lo
) & ((1 << (hi
- lo
)) - 1);
1788 pandecode_vertex_tiler_prefix(struct mali_vertex_tiler_prefix
*p
, int job_no
, bool graphics
)
1790 pandecode_log(".prefix = {\n");
1793 /* Decode invocation_count. See the comment before the definition of
1794 * invocation_count for an explanation.
1797 unsigned size_y_shift
= bits(p
->invocation_shifts
, 0, 5);
1798 unsigned size_z_shift
= bits(p
->invocation_shifts
, 5, 10);
1799 unsigned workgroups_x_shift
= bits(p
->invocation_shifts
, 10, 16);
1800 unsigned workgroups_y_shift
= bits(p
->invocation_shifts
, 16, 22);
1801 unsigned workgroups_z_shift
= bits(p
->invocation_shifts
, 22, 28);
1802 unsigned workgroups_x_shift_2
= bits(p
->invocation_shifts
, 28, 32);
1804 unsigned size_x
= bits(p
->invocation_count
, 0, size_y_shift
) + 1;
1805 unsigned size_y
= bits(p
->invocation_count
, size_y_shift
, size_z_shift
) + 1;
1806 unsigned size_z
= bits(p
->invocation_count
, size_z_shift
, workgroups_x_shift
) + 1;
1808 unsigned groups_x
= bits(p
->invocation_count
, workgroups_x_shift
, workgroups_y_shift
) + 1;
1809 unsigned groups_y
= bits(p
->invocation_count
, workgroups_y_shift
, workgroups_z_shift
) + 1;
1810 unsigned groups_z
= bits(p
->invocation_count
, workgroups_z_shift
, 32) + 1;
1812 /* Even though we have this decoded, we want to ensure that the
1813 * representation is "unique" so we don't lose anything by printing only
1814 * the final result. More specifically, we need to check that we were
1815 * passed something in canonical form, since the definition per the
1816 * hardware is inherently not unique. How? Well, take the resulting
1817 * decode and pack it ourselves! If it is bit exact with what we
1818 * decoded, we're good to go. */
1820 struct mali_vertex_tiler_prefix ref
;
1821 panfrost_pack_work_groups_compute(&ref
, groups_x
, groups_y
, groups_z
, size_x
, size_y
, size_z
, graphics
);
1824 (p
->invocation_count
== ref
.invocation_count
) &&
1825 (p
->invocation_shifts
== ref
.invocation_shifts
);
1828 pandecode_msg("XXX: non-canonical workgroups packing\n");
1829 pandecode_msg("expected: %X, %X",
1830 ref
.invocation_count
,
1831 ref
.invocation_shifts
);
1833 pandecode_prop("invocation_count = 0x%" PRIx32
, p
->invocation_count
);
1834 pandecode_prop("size_y_shift = %d", size_y_shift
);
1835 pandecode_prop("size_z_shift = %d", size_z_shift
);
1836 pandecode_prop("workgroups_x_shift = %d", workgroups_x_shift
);
1837 pandecode_prop("workgroups_y_shift = %d", workgroups_y_shift
);
1838 pandecode_prop("workgroups_z_shift = %d", workgroups_z_shift
);
1839 pandecode_prop("workgroups_x_shift_2 = %d", workgroups_x_shift_2
);
1842 /* Regardless, print the decode */
1843 pandecode_msg("size (%d, %d, %d), count (%d, %d, %d)\n",
1844 size_x
, size_y
, size_z
,
1845 groups_x
, groups_y
, groups_z
);
1848 if (p
->unknown_draw
)
1849 pandecode_prop("unknown_draw = 0x%" PRIx32
, p
->unknown_draw
);
1851 pandecode_prop("workgroups_x_shift_3 = 0x%" PRIx32
, p
->workgroups_x_shift_3
);
1853 if (p
->draw_mode
!= MALI_DRAW_MODE_NONE
)
1854 pandecode_prop("draw_mode = %s", mali_draw_mode_as_str(p
->draw_mode
));
1856 /* Index count only exists for tiler jobs anyway */
1859 pandecode_prop("index_count = MALI_POSITIVE(%" PRId32
")", p
->index_count
+ 1);
1862 unsigned index_raw_size
= (p
->unknown_draw
& MALI_DRAW_INDEXED_SIZE
);
1863 index_raw_size
>>= MALI_DRAW_INDEXED_SHIFT
;
1865 /* Validate an index buffer is present if we need one. TODO: verify
1866 * relationship between invocation_count and index_count */
1869 unsigned count
= p
->index_count
;
1872 unsigned size
= (index_raw_size
== 0x3) ? 4 : index_raw_size
;
1874 /* Ensure we got a size, and if so, validate the index buffer
1875 * is large enough to hold a full set of indices of the given
1878 if (!index_raw_size
)
1879 pandecode_msg("XXX: index size missing\n");
1881 pandecode_validate_buffer(p
->indices
, count
* size
);
1882 } else if (index_raw_size
)
1883 pandecode_msg("XXX: unexpected index size %u\n", index_raw_size
);
1885 if (p
->offset_bias_correction
)
1886 pandecode_prop("offset_bias_correction = %d", p
->offset_bias_correction
);
1888 /* TODO: Figure out what this is. It's not zero */
1889 pandecode_prop("zero1 = 0x%" PRIx32
, p
->zero1
);
1892 pandecode_log("},\n");
1896 pandecode_uniform_buffers(mali_ptr pubufs
, int ubufs_count
, int job_no
)
1898 struct pandecode_mapped_memory
*umem
= pandecode_find_mapped_gpu_mem_containing(pubufs
);
1899 uint64_t *PANDECODE_PTR_VAR(ubufs
, umem
, pubufs
);
1901 for (int i
= 0; i
< ubufs_count
; i
++) {
1902 unsigned size
= (ubufs
[i
] & ((1 << 10) - 1)) * 16;
1903 mali_ptr addr
= (ubufs
[i
] >> 10) << 2;
1905 pandecode_validate_buffer(addr
, size
);
1907 char *ptr
= pointer_as_memory_reference(addr
);
1908 pandecode_log("ubuf_%d[%u] = %s;\n", i
, size
, ptr
);
1912 pandecode_log("\n");
1916 pandecode_uniforms(mali_ptr uniforms
, unsigned uniform_count
)
1918 pandecode_validate_buffer(uniforms
, uniform_count
* 16);
1920 char *ptr
= pointer_as_memory_reference(uniforms
);
1921 pandecode_log("vec4 uniforms[%u] = %s;\n", uniform_count
, ptr
);
1926 shader_type_for_job(unsigned type
)
1929 case MALI_JOB_TYPE_VERTEX
: return "VERTEX";
1930 case MALI_JOB_TYPE_TILER
: return "FRAGMENT";
1931 case MALI_JOB_TYPE_COMPUTE
: return "COMPUTE";
1937 static unsigned shader_id
= 0;
1939 static struct midgard_disasm_stats
1940 pandecode_shader_disassemble(mali_ptr shader_ptr
, int shader_no
, int type
,
1941 bool is_bifrost
, unsigned gpu_id
)
1943 struct pandecode_mapped_memory
*mem
= pandecode_find_mapped_gpu_mem_containing(shader_ptr
);
1944 uint8_t *PANDECODE_PTR_VAR(code
, mem
, shader_ptr
);
1946 /* Compute maximum possible size */
1947 size_t sz
= mem
->length
- (shader_ptr
- mem
->gpu_va
);
1949 /* Print some boilerplate to clearly denote the assembly (which doesn't
1950 * obey indentation rules), and actually do the disassembly! */
1952 pandecode_log_cont("\n\n");
1954 struct midgard_disasm_stats stats
;
1957 disassemble_bifrost(pandecode_dump_stream
, code
, sz
, true);
1959 /* TODO: Extend stats to Bifrost */
1960 stats
.texture_count
= -128;
1961 stats
.sampler_count
= -128;
1962 stats
.attribute_count
= -128;
1963 stats
.varying_count
= -128;
1964 stats
.uniform_count
= -128;
1965 stats
.uniform_buffer_count
= -128;
1966 stats
.work_count
= -128;
1968 stats
.instruction_count
= 0;
1969 stats
.bundle_count
= 0;
1970 stats
.quadword_count
= 0;
1971 stats
.helper_invocations
= false;
1973 stats
= disassemble_midgard(pandecode_dump_stream
,
1975 type
== MALI_JOB_TYPE_TILER
?
1976 MESA_SHADER_FRAGMENT
: MESA_SHADER_VERTEX
);
1979 /* Print shader-db stats. Skip COMPUTE jobs since they are used for
1980 * driver-internal purposes with the blob and interfere */
1982 bool should_shaderdb
= type
!= MALI_JOB_TYPE_COMPUTE
;
1984 if (should_shaderdb
) {
1985 unsigned nr_threads
=
1986 (stats
.work_count
<= 4) ? 4 :
1987 (stats
.work_count
<= 8) ? 2 :
1990 pandecode_log_cont("shader%d - MESA_SHADER_%s shader: "
1991 "%u inst, %u bundles, %u quadwords, "
1992 "%u registers, %u threads, 0 loops, 0:0 spills:fills\n\n\n",
1994 shader_type_for_job(type
),
1995 stats
.instruction_count
, stats
.bundle_count
, stats
.quadword_count
,
1996 stats
.work_count
, nr_threads
);
2004 pandecode_texture_payload(mali_ptr payload
,
2005 enum mali_texture_dimension dim
,
2006 enum mali_texture_layout layout
,
2010 uint16_t array_size
,
2011 struct pandecode_mapped_memory
*tmem
)
2013 pandecode_log(".payload = {\n");
2016 /* A bunch of bitmap pointers follow.
2017 * We work out the correct number,
2018 * based on the mipmap/cubemap
2019 * properties, but dump extra
2020 * possibilities to futureproof */
2022 int bitmap_count
= levels
+ 1;
2024 /* Miptree for each face */
2025 if (dim
== MALI_TEXTURE_DIMENSION_CUBE
)
2028 /* Array of layers */
2029 bitmap_count
*= depth
;
2031 /* Array of textures */
2032 bitmap_count
*= array_size
;
2034 /* Stride for each element */
2038 mali_ptr
*pointers_and_strides
= pandecode_fetch_gpu_mem(tmem
,
2039 payload
, sizeof(mali_ptr
) * bitmap_count
);
2040 for (int i
= 0; i
< bitmap_count
; ++i
) {
2041 /* How we dump depends if this is a stride or a pointer */
2043 if (manual_stride
&& (i
& 1)) {
2044 /* signed 32-bit snuck in as a 64-bit pointer */
2045 uint64_t stride_set
= pointers_and_strides
[i
];
2046 uint32_t clamped_stride
= stride_set
;
2047 int32_t stride
= clamped_stride
;
2048 assert(stride_set
== clamped_stride
);
2049 pandecode_log("(mali_ptr) %d /* stride */, \n", stride
);
2051 char *a
= pointer_as_memory_reference(pointers_and_strides
[i
]);
2052 pandecode_log("%s, \n", a
);
2058 pandecode_log("},\n");
2062 pandecode_texture(mali_ptr u
,
2063 struct pandecode_mapped_memory
*tmem
,
2064 unsigned job_no
, unsigned tex
)
2066 struct pandecode_mapped_memory
*mapped_mem
= pandecode_find_mapped_gpu_mem_containing(u
);
2067 const uint8_t *cl
= pandecode_fetch_gpu_mem(mapped_mem
, u
, MALI_MIDGARD_TEXTURE_LENGTH
);
2069 struct MALI_MIDGARD_TEXTURE temp
;
2070 MALI_MIDGARD_TEXTURE_unpack(cl
, &temp
);
2071 MALI_MIDGARD_TEXTURE_print(pandecode_dump_stream
, &temp
, 2);
2073 pandecode_texture_payload(u
+ MALI_MIDGARD_TEXTURE_LENGTH
,
2074 temp
.dimension
, temp
.texel_ordering
, temp
.manual_stride
,
2075 temp
.levels
, temp
.depth
, temp
.array_size
, mapped_mem
);
2079 pandecode_bifrost_texture(
2084 struct MALI_BIFROST_TEXTURE temp
;
2085 MALI_BIFROST_TEXTURE_unpack(cl
, &temp
);
2086 MALI_BIFROST_TEXTURE_print(pandecode_dump_stream
, &temp
, 2);
2088 struct pandecode_mapped_memory
*tmem
= pandecode_find_mapped_gpu_mem_containing(temp
.surfaces
);
2089 pandecode_texture_payload(temp
.surfaces
, temp
.dimension
, temp
.texel_ordering
,
2090 true, temp
.levels
, 1, 1, tmem
);
2093 /* For shader properties like texture_count, we have a claimed property in the shader_meta, and the actual Truth from static analysis (this may just be an upper limit). We validate accordingly */
2096 pandecode_shader_prop(const char *name
, unsigned claim
, signed truth
, bool fuzzy
)
2102 if (fuzzy
&& (truth
< 0))
2103 pandecode_msg("XXX: fuzzy %s, claimed %d, expected %d\n", name
, claim
, truth
);
2105 if ((truth
>= 0) && !fuzzy
) {
2106 pandecode_msg("%s: expected %s = %d, claimed %u\n",
2107 (truth
< claim
) ? "warn" : "XXX",
2108 name
, truth
, claim
);
2109 } else if ((claim
> -truth
) && !fuzzy
) {
2110 pandecode_msg("XXX: expected %s <= %u, claimed %u\n",
2111 name
, -truth
, claim
);
2112 } else if (fuzzy
&& (claim
< truth
))
2113 pandecode_msg("XXX: expected %s >= %u, claimed %u\n",
2114 name
, truth
, claim
);
2116 pandecode_log(".%s = %" PRId16
, name
, claim
);
2119 pandecode_log_cont(" /* %u used */", truth
);
2121 pandecode_log_cont(",\n");
2125 pandecode_blend_shader_disassemble(mali_ptr shader
, int job_no
, int job_type
,
2126 bool is_bifrost
, unsigned gpu_id
)
2128 struct midgard_disasm_stats stats
=
2129 pandecode_shader_disassemble(shader
, job_no
, job_type
, is_bifrost
, gpu_id
);
2131 bool has_texture
= (stats
.texture_count
> 0);
2132 bool has_sampler
= (stats
.sampler_count
> 0);
2133 bool has_attribute
= (stats
.attribute_count
> 0);
2134 bool has_varying
= (stats
.varying_count
> 0);
2135 bool has_uniform
= (stats
.uniform_count
> 0);
2136 bool has_ubo
= (stats
.uniform_buffer_count
> 0);
2138 if (has_texture
|| has_sampler
)
2139 pandecode_msg("XXX: blend shader accessing textures\n");
2141 if (has_attribute
|| has_varying
)
2142 pandecode_msg("XXX: blend shader accessing interstage\n");
2144 if (has_uniform
|| has_ubo
)
2145 pandecode_msg("XXX: blend shader accessing uniforms\n");
2149 pandecode_textures(mali_ptr textures
, unsigned texture_count
, int job_no
, bool is_bifrost
)
2151 struct pandecode_mapped_memory
*mmem
= pandecode_find_mapped_gpu_mem_containing(textures
);
2156 pandecode_log("Textures (%"PRIx64
"):\n", textures
);
2159 const void *cl
= pandecode_fetch_gpu_mem(mmem
,
2160 textures
, MALI_BIFROST_TEXTURE_LENGTH
*
2163 for (unsigned tex
= 0; tex
< texture_count
; ++tex
) {
2164 pandecode_bifrost_texture(cl
+
2165 MALI_BIFROST_TEXTURE_LENGTH
* tex
,
2169 mali_ptr
*PANDECODE_PTR_VAR(u
, mmem
, textures
);
2171 for (int tex
= 0; tex
< texture_count
; ++tex
) {
2172 mali_ptr
*PANDECODE_PTR_VAR(u
, mmem
, textures
+ tex
* sizeof(mali_ptr
));
2173 char *a
= pointer_as_memory_reference(*u
);
2174 pandecode_log("%s,\n", a
);
2178 /* Now, finally, descend down into the texture descriptor */
2179 for (unsigned tex
= 0; tex
< texture_count
; ++tex
) {
2180 mali_ptr
*PANDECODE_PTR_VAR(u
, mmem
, textures
+ tex
* sizeof(mali_ptr
));
2181 struct pandecode_mapped_memory
*tmem
= pandecode_find_mapped_gpu_mem_containing(*u
);
2183 pandecode_texture(*u
, tmem
, job_no
, tex
);
2189 pandecode_samplers(mali_ptr samplers
, unsigned sampler_count
, int job_no
, bool is_bifrost
)
2191 for (int i
= 0; i
< sampler_count
; ++i
) {
2193 DUMP_ADDR("Sampler", BIFROST_SAMPLER
, samplers
+ (MALI_BIFROST_SAMPLER_LENGTH
* i
), 1);
2195 DUMP_ADDR("Sampler", MIDGARD_SAMPLER
, samplers
+ (MALI_MIDGARD_SAMPLER_LENGTH
* i
), 1);
2201 pandecode_vertex_tiler_postfix_pre(
2202 const struct mali_vertex_tiler_postfix
*p
,
2203 int job_no
, enum mali_job_type job_type
,
2204 char *suffix
, bool is_bifrost
, unsigned gpu_id
)
2206 struct pandecode_mapped_memory
*attr_mem
;
2208 /* On Bifrost, since the tiler heap (for tiler jobs) and the scratchpad
2209 * are the only things actually needed from the FBD, vertex/tiler jobs
2210 * no longer reference the FBD -- instead, this field points to some
2211 * info about the scratchpad.
2214 struct pandecode_fbd fbd_info
= {
2215 /* Default for Bifrost */
2220 pandecode_log_cont("\t/* %X %/\n", p
->shared_memory
& 1);
2221 pandecode_compute_fbd(p
->shared_memory
& ~1, job_no
);
2222 } else if (p
->shared_memory
& MALI_MFBD
)
2223 fbd_info
= pandecode_mfbd_bfr((u64
) ((uintptr_t) p
->shared_memory
) & FBD_MASK
, job_no
, false, job_type
== MALI_JOB_TYPE_COMPUTE
, false);
2224 else if (job_type
== MALI_JOB_TYPE_COMPUTE
)
2225 pandecode_compute_fbd((u64
) (uintptr_t) p
->shared_memory
, job_no
);
2227 fbd_info
= pandecode_sfbd((u64
) (uintptr_t) p
->shared_memory
, job_no
, false, gpu_id
);
2229 int varying_count
= 0, attribute_count
= 0, uniform_count
= 0, uniform_buffer_count
= 0;
2230 int texture_count
= 0, sampler_count
= 0;
2233 struct pandecode_mapped_memory
*smem
= pandecode_find_mapped_gpu_mem_containing(p
->shader
);
2234 struct mali_shader_meta
*PANDECODE_PTR_VAR(s
, smem
, p
->shader
);
2236 /* Disassemble ahead-of-time to get stats. Initialize with
2237 * stats for the missing-shader case so we get validation
2240 struct midgard_disasm_stats info
= {
2243 .attribute_count
= 0,
2247 .uniform_count
= -128,
2248 .uniform_buffer_count
= 0
2251 if (s
->shader
& ~0xF)
2252 info
= pandecode_shader_disassemble(s
->shader
& ~0xF, job_no
, job_type
, is_bifrost
, gpu_id
);
2254 pandecode_log("struct mali_shader_meta shader_meta_%"PRIx64
"_%d%s = {\n", p
->shader
, job_no
, suffix
);
2257 /* Save for dumps */
2258 attribute_count
= s
->attribute_count
;
2259 varying_count
= s
->varying_count
;
2260 texture_count
= s
->texture_count
;
2261 sampler_count
= s
->sampler_count
;
2264 uniform_count
= s
->bifrost2
.uniform_count
;
2265 uniform_buffer_count
= s
->bifrost1
.uniform_buffer_count
;
2267 uniform_count
= s
->midgard1
.uniform_count
;
2268 uniform_buffer_count
= s
->midgard1
.uniform_buffer_count
;
2271 pandecode_shader_address("shader", s
->shader
);
2273 pandecode_shader_prop("texture_count", s
->texture_count
, info
.texture_count
, false);
2274 pandecode_shader_prop("sampler_count", s
->sampler_count
, info
.sampler_count
, false);
2275 pandecode_shader_prop("attribute_count", s
->attribute_count
, info
.attribute_count
, false);
2276 pandecode_shader_prop("varying_count", s
->varying_count
, info
.varying_count
, false);
2277 pandecode_shader_prop("uniform_buffer_count",
2278 uniform_buffer_count
,
2279 info
.uniform_buffer_count
, true);
2282 pandecode_shader_prop("uniform_count",
2284 info
.uniform_count
, false);
2286 pandecode_shader_prop("work_count",
2287 s
->midgard1
.work_count
, info
.work_count
, false);
2291 pandecode_log("bifrost1.unk1 = ");
2292 pandecode_log_decoded_flags(shader_bifrost_info
, s
->bifrost1
.unk1
);
2293 pandecode_log_cont(",\n");
2295 bool helpers
= s
->midgard1
.flags_lo
& MALI_HELPER_INVOCATIONS
;
2297 if (helpers
!= info
.helper_invocations
) {
2298 pandecode_msg("XXX: expected helpers %u but got %u\n",
2299 info
.helper_invocations
, helpers
);
2302 pandecode_log(".midgard1.flags_lo = ");
2303 pandecode_log_decoded_flags(shader_midgard1_flag_lo_info
,
2304 s
->midgard1
.flags_lo
& ~MALI_HELPER_INVOCATIONS
);
2305 pandecode_log_cont(",\n");
2307 pandecode_log(".midgard1.flags_hi = ");
2308 pandecode_log_decoded_flags(shader_midgard1_flag_hi_info
, s
->midgard1
.flags_hi
);
2309 pandecode_log_cont(",\n");
2312 if (s
->depth_units
|| s
->depth_factor
) {
2313 pandecode_prop("depth_factor = %f", s
->depth_factor
);
2314 pandecode_prop("depth_units = %f", s
->depth_units
);
2317 if (s
->coverage_mask
)
2318 pandecode_prop("coverage_mask = 0x%X", s
->coverage_mask
);
2321 pandecode_prop(".unknown2_2 = %X", s
->unknown2_2
);
2323 if (s
->unknown2_3
|| s
->unknown2_4
) {
2324 pandecode_log(".unknown2_3 = ");
2326 int unknown2_3
= s
->unknown2_3
;
2327 int unknown2_4
= s
->unknown2_4
;
2329 /* We're not quite sure what these flags mean without the depth test, if anything */
2331 if (unknown2_3
& (MALI_DEPTH_WRITEMASK
| MALI_DEPTH_FUNC_MASK
)) {
2332 const char *func
= mali_func_as_str(MALI_GET_DEPTH_FUNC(unknown2_3
));
2333 unknown2_3
&= ~MALI_DEPTH_FUNC_MASK
;
2335 pandecode_log_cont("MALI_DEPTH_FUNC(%s) | ", func
);
2338 pandecode_log_decoded_flags(u3_flag_info
, unknown2_3
);
2339 pandecode_log_cont(",\n");
2341 pandecode_log(".unknown2_4 = ");
2342 pandecode_log_decoded_flags(u4_flag_info
, unknown2_4
);
2343 pandecode_log_cont(",\n");
2346 if (s
->stencil_mask_front
|| s
->stencil_mask_back
) {
2347 pandecode_prop("stencil_mask_front = 0x%02X", s
->stencil_mask_front
);
2348 pandecode_prop("stencil_mask_back = 0x%02X", s
->stencil_mask_back
);
2351 DUMP_CL("Stencil front", STENCIL
, &s
->stencil_front
, 1);
2352 DUMP_CL("Stencil back", STENCIL
, &s
->stencil_back
, 1);
2355 pandecode_log(".bifrost2 = {\n");
2358 pandecode_prop("unk3 = 0x%" PRIx32
, s
->bifrost2
.unk3
);
2359 pandecode_prop("preload_regs = 0x%" PRIx32
, s
->bifrost2
.preload_regs
);
2360 pandecode_prop("uniform_count = %" PRId32
, s
->bifrost2
.uniform_count
);
2361 pandecode_prop("unk4 = 0x%" PRIx32
, s
->bifrost2
.unk4
);
2364 pandecode_log("},\n");
2365 } else if (s
->midgard2
.unknown2_7
) {
2366 pandecode_log(".midgard2 = {\n");
2369 pandecode_prop("unknown2_7 = 0x%" PRIx32
, s
->midgard2
.unknown2_7
);
2371 pandecode_log("},\n");
2375 pandecode_msg("XXX: shader padding tripped\n");
2376 pandecode_prop("padding = 0x%" PRIx32
, s
->padding
);
2380 /* TODO: Blend shaders routing/disasm */
2381 union midgard_blend blend
= s
->blend
;
2382 mali_ptr shader
= pandecode_midgard_blend(&blend
, s
->unknown2_3
& MALI_HAS_BLEND_SHADER
);
2384 pandecode_blend_shader_disassemble(shader
, job_no
, job_type
, false, gpu_id
);
2386 pandecode_msg("mdg_blend = %" PRIx64
"\n", s
->blend
.shader
);
2390 pandecode_log("};\n");
2392 /* MRT blend fields are used whenever MFBD is used, with
2393 * per-RT descriptors */
2395 if (job_type
== MALI_JOB_TYPE_TILER
&& (is_bifrost
|| p
->shared_memory
& MALI_MFBD
)) {
2396 void* blend_base
= (void *) (s
+ 1);
2398 for (unsigned i
= 0; i
< fbd_info
.rt_count
; i
++) {
2399 mali_ptr shader
= 0;
2402 shader
= pandecode_bifrost_blend(blend_base
, job_no
, i
);
2404 shader
= pandecode_midgard_blend_mrt(blend_base
, job_no
, i
);
2407 pandecode_blend_shader_disassemble(shader
, job_no
, job_type
, false, gpu_id
);
2412 pandecode_msg("XXX: missing shader descriptor\n");
2415 DUMP_ADDR("Viewport", VIEWPORT
, p
->viewport
, 1);
2417 unsigned max_attr_index
= 0;
2419 if (p
->attribute_meta
)
2420 max_attr_index
= pandecode_attribute_meta(job_no
, attribute_count
, p
, false, suffix
);
2422 if (p
->attributes
) {
2423 attr_mem
= pandecode_find_mapped_gpu_mem_containing(p
->attributes
);
2424 pandecode_attributes(attr_mem
, p
->attributes
, job_no
, suffix
, max_attr_index
, false, job_type
);
2427 /* Varyings are encoded like attributes but not actually sent; we just
2428 * pass a zero buffer with the right stride/size set, (or whatever)
2429 * since the GPU will write to it itself */
2431 if (p
->varying_meta
) {
2432 varying_count
= pandecode_attribute_meta(job_no
, varying_count
, p
, true, suffix
);
2436 attr_mem
= pandecode_find_mapped_gpu_mem_containing(p
->varyings
);
2438 /* Number of descriptors depends on whether there are
2439 * non-internal varyings */
2441 pandecode_attributes(attr_mem
, p
->varyings
, job_no
, suffix
, varying_count
, true, job_type
);
2444 if (p
->uniform_buffers
) {
2445 if (uniform_buffer_count
)
2446 pandecode_uniform_buffers(p
->uniform_buffers
, uniform_buffer_count
, job_no
);
2448 pandecode_msg("warn: UBOs specified but not referenced\n");
2449 } else if (uniform_buffer_count
)
2450 pandecode_msg("XXX: UBOs referenced but not specified\n");
2452 /* We don't want to actually dump uniforms, but we do need to validate
2453 * that the counts we were given are sane */
2457 pandecode_uniforms(p
->uniforms
, uniform_count
);
2459 pandecode_msg("warn: Uniforms specified but not referenced\n");
2460 } else if (uniform_count
)
2461 pandecode_msg("XXX: Uniforms referenced but not specified\n");
2464 pandecode_textures(p
->textures
, texture_count
, job_no
, is_bifrost
);
2466 if (p
->sampler_descriptor
)
2467 pandecode_samplers(p
->sampler_descriptor
, sampler_count
, job_no
, is_bifrost
);
2471 pandecode_gl_enables(uint32_t gl_enables
, int job_type
)
2473 pandecode_log(".gl_enables = ");
2475 pandecode_log_decoded_flags(gl_enable_flag_info
, gl_enables
);
2477 pandecode_log_cont(",\n");
2481 pandecode_vertex_tiler_postfix(const struct mali_vertex_tiler_postfix
*p
, int job_no
, bool is_bifrost
)
2483 if (p
->shader
& 0xF)
2484 pandecode_msg("warn: shader tagged %X\n", (unsigned) (p
->shader
& 0xF));
2486 pandecode_log(".postfix = {\n");
2489 pandecode_gl_enables(p
->gl_enables
, MALI_JOB_TYPE_TILER
);
2490 pandecode_prop("instance_shift = 0x%x", p
->instance_shift
);
2491 pandecode_prop("instance_odd = 0x%x", p
->instance_odd
);
2494 pandecode_msg("XXX: vertex only zero tripped");
2495 pandecode_prop("zero4 = 0x%" PRIx32
, p
->zero4
);
2498 pandecode_prop("offset_start = 0x%x", p
->offset_start
);
2501 pandecode_msg("XXX: vertex only zero tripped");
2502 pandecode_prop("zero5 = 0x%" PRIx64
, p
->zero5
);
2505 MEMORY_PROP(p
, position_varying
);
2506 MEMORY_PROP(p
, occlusion_counter
);
2509 pandecode_log("},\n");
2513 pandecode_tiler_heap_meta(mali_ptr gpu_va
, int job_no
)
2515 struct pandecode_mapped_memory
*mem
= pandecode_find_mapped_gpu_mem_containing(gpu_va
);
2516 const struct bifrost_tiler_heap_meta
*PANDECODE_PTR_VAR(h
, mem
, gpu_va
);
2518 pandecode_log("struct bifrost_tiler_heap_meta tiler_heap_meta_%"PRIx64
"_%d = {\n", gpu_va
, job_no
);
2522 pandecode_msg("XXX: tiler heap zero tripped\n");
2523 pandecode_prop("zero = 0x%x", h
->zero
);
2526 pandecode_prop("heap_size = 0x%x", h
->heap_size
);
2527 MEMORY_PROP(h
, tiler_heap_start
);
2528 MEMORY_PROP(h
, tiler_heap_free
);
2530 /* this might point to the beginning of another buffer, when it's
2531 * really the end of the tiler heap buffer, so we have to be careful
2532 * here. but for zero length, we need the same pointer.
2535 if (h
->tiler_heap_end
== h
->tiler_heap_start
) {
2536 MEMORY_PROP(h
, tiler_heap_start
);
2538 char *a
= pointer_as_memory_reference(h
->tiler_heap_end
- 1);
2539 pandecode_prop("tiler_heap_end = %s + 1", a
);
2543 for (int i
= 0; i
< 10; i
++) {
2544 if (h
->zeros
[i
] != 0) {
2545 pandecode_msg("XXX: tiler heap zero %d tripped, value %x\n",
2550 if (h
->unk1
!= 0x1) {
2551 pandecode_msg("XXX: tiler heap unk1 tripped\n");
2552 pandecode_prop("unk1 = 0x%x", h
->unk1
);
2555 if (h
->unk7e007e
!= 0x7e007e) {
2556 pandecode_msg("XXX: tiler heap unk7e007e tripped\n");
2557 pandecode_prop("unk7e007e = 0x%x", h
->unk7e007e
);
2561 pandecode_log("};\n");
2565 pandecode_tiler_meta(mali_ptr gpu_va
, int job_no
)
2567 struct pandecode_mapped_memory
*mem
= pandecode_find_mapped_gpu_mem_containing(gpu_va
);
2568 const struct bifrost_tiler_meta
*PANDECODE_PTR_VAR(t
, mem
, gpu_va
);
2570 pandecode_tiler_heap_meta(t
->tiler_heap_meta
, job_no
);
2572 pandecode_log("struct bifrost_tiler_meta tiler_meta_%"PRIx64
"_%d = {\n", gpu_va
, job_no
);
2575 pandecode_prop("tiler_heap_next_start = 0x%" PRIx32
, t
->tiler_heap_next_start
);
2576 pandecode_prop("used_hierarchy_mask = 0x%" PRIx32
, t
->used_hierarchy_mask
);
2578 if (t
->hierarchy_mask
!= 0xa &&
2579 t
->hierarchy_mask
!= 0x14 &&
2580 t
->hierarchy_mask
!= 0x28 &&
2581 t
->hierarchy_mask
!= 0x50 &&
2582 t
->hierarchy_mask
!= 0xa0)
2583 pandecode_prop("XXX: Unexpected hierarchy_mask (not 0xa, 0x14, 0x28, 0x50 or 0xa0)!");
2585 pandecode_prop("hierarchy_mask = 0x%" PRIx16
, t
->hierarchy_mask
);
2587 pandecode_prop("flags = 0x%" PRIx16
, t
->flags
);
2589 pandecode_prop("width = MALI_POSITIVE(%d)", t
->width
+ 1);
2590 pandecode_prop("height = MALI_POSITIVE(%d)", t
->height
+ 1);
2593 pandecode_msg("XXX: tiler meta zero tripped\n");
2594 pandecode_prop("zero0 = 0x%" PRIx64
, t
->zero0
);
2597 for (int i
= 0; i
< 12; i
++) {
2598 if (t
->zeros
[i
] != 0) {
2599 pandecode_msg("XXX: tiler heap zero %d tripped, value %" PRIx64
"\n",
2605 pandecode_log("};\n");
2609 pandecode_primitive_size(union midgard_primitive_size u
, bool constant
)
2611 if (u
.pointer
== 0x0)
2614 pandecode_log(".primitive_size = {\n");
2618 pandecode_prop("constant = %f", u
.constant
);
2620 MEMORY_PROP((&u
), pointer
);
2624 pandecode_log("},\n");
2628 pandecode_tiler_only_bfr(const struct bifrost_tiler_only
*t
, int job_no
)
2630 pandecode_log_cont("{\n");
2633 /* TODO: gl_PointSize on Bifrost */
2634 pandecode_primitive_size(t
->primitive_size
, true);
2636 if (t
->zero1
|| t
->zero2
|| t
->zero3
|| t
->zero4
|| t
->zero5
2638 pandecode_msg("XXX: tiler only zero tripped\n");
2639 pandecode_prop("zero1 = 0x%" PRIx64
, t
->zero1
);
2640 pandecode_prop("zero2 = 0x%" PRIx64
, t
->zero2
);
2641 pandecode_prop("zero3 = 0x%" PRIx64
, t
->zero3
);
2642 pandecode_prop("zero4 = 0x%" PRIx64
, t
->zero4
);
2643 pandecode_prop("zero5 = 0x%" PRIx64
, t
->zero5
);
2644 pandecode_prop("zero6 = 0x%" PRIx64
, t
->zero6
);
2648 pandecode_log("},\n");
2652 pandecode_vertex_job_bfr(const struct mali_job_descriptor_header
*h
,
2653 const struct pandecode_mapped_memory
*mem
,
2654 mali_ptr payload
, int job_no
, unsigned gpu_id
)
2656 struct bifrost_payload_vertex
*PANDECODE_PTR_VAR(v
, mem
, payload
);
2658 pandecode_vertex_tiler_postfix_pre(&v
->postfix
, job_no
, h
->job_type
, "", true, gpu_id
);
2660 pandecode_log("struct bifrost_payload_vertex payload_%"PRIx64
"_%d = {\n", payload
, job_no
);
2663 pandecode_vertex_tiler_prefix(&v
->prefix
, job_no
, false);
2664 pandecode_vertex_tiler_postfix(&v
->postfix
, job_no
, true);
2667 pandecode_log("};\n");
2673 pandecode_tiler_job_bfr(const struct mali_job_descriptor_header
*h
,
2674 const struct pandecode_mapped_memory
*mem
,
2675 mali_ptr payload
, int job_no
, unsigned gpu_id
)
2677 struct bifrost_payload_tiler
*PANDECODE_PTR_VAR(t
, mem
, payload
);
2679 pandecode_vertex_tiler_postfix_pre(&t
->postfix
, job_no
, h
->job_type
, "", true, gpu_id
);
2680 pandecode_tiler_meta(t
->tiler
.tiler_meta
, job_no
);
2682 pandecode_log("struct bifrost_payload_tiler payload_%"PRIx64
"_%d = {\n", payload
, job_no
);
2685 pandecode_vertex_tiler_prefix(&t
->prefix
, job_no
, false);
2687 pandecode_log(".tiler = ");
2688 pandecode_tiler_only_bfr(&t
->tiler
, job_no
);
2690 pandecode_vertex_tiler_postfix(&t
->postfix
, job_no
, true);
2693 pandecode_log("};\n");
2699 pandecode_vertex_or_tiler_job_mdg(const struct mali_job_descriptor_header
*h
,
2700 const struct pandecode_mapped_memory
*mem
,
2701 mali_ptr payload
, int job_no
, unsigned gpu_id
)
2703 struct midgard_payload_vertex_tiler
*PANDECODE_PTR_VAR(v
, mem
, payload
);
2704 bool is_graphics
= (h
->job_type
== MALI_JOB_TYPE_VERTEX
) || (h
->job_type
== MALI_JOB_TYPE_TILER
);
2706 pandecode_vertex_tiler_postfix_pre(&v
->postfix
, job_no
, h
->job_type
, "", false, gpu_id
);
2708 pandecode_log("struct midgard_payload_vertex_tiler payload_%d = {\n", job_no
);
2711 pandecode_vertex_tiler_prefix(&v
->prefix
, job_no
, is_graphics
);
2712 pandecode_vertex_tiler_postfix(&v
->postfix
, job_no
, false);
2714 bool has_primitive_pointer
= v
->prefix
.unknown_draw
& MALI_DRAW_VARYING_SIZE
;
2715 pandecode_primitive_size(v
->primitive_size
, !has_primitive_pointer
);
2718 pandecode_log("};\n");
2724 pandecode_fragment_job(const struct pandecode_mapped_memory
*mem
,
2725 mali_ptr payload
, int job_no
,
2726 bool is_bifrost
, unsigned gpu_id
)
2728 const struct mali_payload_fragment
*PANDECODE_PTR_VAR(s
, mem
, payload
);
2730 bool is_mfbd
= s
->framebuffer
& MALI_MFBD
;
2732 if (!is_mfbd
&& is_bifrost
)
2733 pandecode_msg("XXX: Bifrost fragment must use MFBD\n");
2735 struct pandecode_fbd info
;
2738 info
= pandecode_mfbd_bfr(s
->framebuffer
& FBD_MASK
, job_no
, true, false, is_bifrost
);
2740 info
= pandecode_sfbd(s
->framebuffer
& FBD_MASK
, job_no
, true, gpu_id
);
2742 /* Compute the tag for the tagged pointer. This contains the type of
2743 * FBD (MFBD/SFBD), and in the case of an MFBD, information about which
2744 * additional structures follow the MFBD header (an extra payload or
2745 * not, as well as a count of render targets) */
2747 unsigned expected_tag
= is_mfbd
? MALI_MFBD
: 0;
2751 expected_tag
|= MALI_MFBD_TAG_EXTRA
;
2753 expected_tag
|= (MALI_POSITIVE(info
.rt_count
) << 2);
2756 if ((s
->min_tile_coord
| s
->max_tile_coord
) & ~(MALI_X_COORD_MASK
| MALI_Y_COORD_MASK
)) {
2757 pandecode_msg("XXX: unexpected tile coordinate bits\n");
2758 pandecode_prop("min_tile_coord = 0x%X\n", s
->min_tile_coord
);
2759 pandecode_prop("max_tile_coord = 0x%X\n", s
->max_tile_coord
);
2762 /* Extract tile coordinates */
2764 unsigned min_x
= MALI_TILE_COORD_X(s
->min_tile_coord
) << MALI_TILE_SHIFT
;
2765 unsigned min_y
= MALI_TILE_COORD_Y(s
->min_tile_coord
) << MALI_TILE_SHIFT
;
2767 unsigned max_x
= (MALI_TILE_COORD_X(s
->max_tile_coord
) + 1) << MALI_TILE_SHIFT
;
2768 unsigned max_y
= (MALI_TILE_COORD_Y(s
->max_tile_coord
) + 1) << MALI_TILE_SHIFT
;
2770 /* For the max, we also want the floored (rather than ceiled) version for checking */
2772 unsigned max_x_f
= (MALI_TILE_COORD_X(s
->max_tile_coord
)) << MALI_TILE_SHIFT
;
2773 unsigned max_y_f
= (MALI_TILE_COORD_Y(s
->max_tile_coord
)) << MALI_TILE_SHIFT
;
2775 /* Validate the coordinates are well-ordered */
2778 pandecode_msg("XXX: empty X coordinates (%u = %u)\n", min_x
, max_x
);
2779 else if (min_x
> max_x
)
2780 pandecode_msg("XXX: misordered X coordinates (%u > %u)\n", min_x
, max_x
);
2783 pandecode_msg("XXX: empty X coordinates (%u = %u)\n", min_x
, max_x
);
2784 else if (min_y
> max_y
)
2785 pandecode_msg("XXX: misordered X coordinates (%u > %u)\n", min_x
, max_x
);
2787 /* Validate the coordinates fit inside the framebuffer. We use floor,
2788 * rather than ceil, for the max coordinates, since the tile
2789 * coordinates for something like an 800x600 framebuffer will actually
2790 * resolve to 800x608, which would otherwise trigger a Y-overflow */
2792 if ((min_x
> info
.width
) || (max_x_f
> info
.width
))
2793 pandecode_msg("XXX: tile coordinates overflow in X direction\n");
2795 if ((min_y
> info
.height
) || (max_y_f
> info
.height
))
2796 pandecode_msg("XXX: tile coordinates overflow in Y direction\n");
2798 /* After validation, we print */
2800 pandecode_log("fragment (%u, %u) ... (%u, %u)\n\n", min_x
, min_y
, max_x
, max_y
);
2802 /* The FBD is a tagged pointer */
2804 unsigned tag
= (s
->framebuffer
& ~FBD_MASK
);
2806 if (tag
!= expected_tag
)
2807 pandecode_msg("XXX: expected FBD tag %X but got %X\n", expected_tag
, tag
);
2812 /* Entrypoint to start tracing. jc_gpu_va is the GPU address for the first job
2813 * in the chain; later jobs are found by walking the chain. Bifrost is, well,
2814 * if it's bifrost or not. GPU ID is the more finegrained ID (at some point, we
2815 * might wish to combine this with the bifrost parameter) because some details
2816 * are model-specific even within a particular architecture. Minimal traces
2817 * *only* examine the job descriptors, skipping printing entirely if there is
2818 * no faults, and only descends into the payload if there are faults. This is
2819 * useful for looking for faults without the overhead of invasive traces. */
2822 pandecode_jc(mali_ptr jc_gpu_va
, bool bifrost
, unsigned gpu_id
, bool minimal
)
2824 pandecode_dump_file_open();
2826 struct mali_job_descriptor_header
*h
;
2827 unsigned job_descriptor_number
= 0;
2830 struct pandecode_mapped_memory
*mem
=
2831 pandecode_find_mapped_gpu_mem_containing(jc_gpu_va
);
2835 h
= PANDECODE_PTR(mem
, jc_gpu_va
, struct mali_job_descriptor_header
);
2837 /* On Midgard, for 32-bit jobs except for fragment jobs, the
2838 * high 32-bits of the 64-bit pointer are reused to store
2841 int offset
= h
->job_descriptor_size
== MALI_JOB_32
&&
2842 h
->job_type
!= MALI_JOB_TYPE_FRAGMENT
? 4 : 0;
2843 mali_ptr payload_ptr
= jc_gpu_va
+ sizeof(*h
) - offset
;
2845 payload
= pandecode_fetch_gpu_mem(mem
, payload_ptr
, 256);
2847 int job_no
= job_descriptor_number
++;
2849 /* If the job is good to go, skip it in minimal mode */
2850 if (minimal
&& (h
->exception_status
== 0x0 || h
->exception_status
== 0x1))
2853 pandecode_log("struct mali_job_descriptor_header job_%"PRIx64
"_%d = {\n", jc_gpu_va
, job_no
);
2856 pandecode_prop("job_type = %s", mali_job_type_as_str(h
->job_type
));
2858 if (h
->job_descriptor_size
)
2859 pandecode_prop("job_descriptor_size = %d", h
->job_descriptor_size
);
2861 if (h
->exception_status
&& h
->exception_status
!= 0x1)
2862 pandecode_prop("exception_status = %x (source ID: 0x%x access: %s exception: 0x%x)",
2863 h
->exception_status
,
2864 (h
->exception_status
>> 16) & 0xFFFF,
2865 pandecode_exception_access((h
->exception_status
>> 8) & 0x3),
2866 h
->exception_status
& 0xFF);
2868 if (h
->first_incomplete_task
)
2869 pandecode_prop("first_incomplete_task = %d", h
->first_incomplete_task
);
2871 if (h
->fault_pointer
)
2872 pandecode_prop("fault_pointer = 0x%" PRIx64
, h
->fault_pointer
);
2875 pandecode_prop("job_barrier = %d", h
->job_barrier
);
2877 pandecode_prop("job_index = %d", h
->job_index
);
2879 if (h
->unknown_flags
)
2880 pandecode_prop("unknown_flags = %d", h
->unknown_flags
);
2882 if (h
->job_dependency_index_1
)
2883 pandecode_prop("job_dependency_index_1 = %d", h
->job_dependency_index_1
);
2885 if (h
->job_dependency_index_2
)
2886 pandecode_prop("job_dependency_index_2 = %d", h
->job_dependency_index_2
);
2889 pandecode_log("};\n");
2891 switch (h
->job_type
) {
2892 case MALI_JOB_TYPE_WRITE_VALUE
: {
2893 struct mali_payload_write_value
*s
= payload
;
2894 pandecode_log("struct mali_payload_write_value payload_%"PRIx64
"_%d = {\n", payload_ptr
, job_no
);
2896 MEMORY_PROP(s
, address
);
2898 if (s
->value_descriptor
!= MALI_WRITE_VALUE_ZERO
) {
2899 pandecode_msg("XXX: unknown value descriptor\n");
2900 pandecode_prop("value_descriptor = 0x%" PRIX32
, s
->value_descriptor
);
2904 pandecode_msg("XXX: set value tripped\n");
2905 pandecode_prop("reserved = 0x%" PRIX32
, s
->reserved
);
2908 pandecode_prop("immediate = 0x%" PRIX64
, s
->immediate
);
2910 pandecode_log("};\n");
2915 case MALI_JOB_TYPE_TILER
:
2916 case MALI_JOB_TYPE_VERTEX
:
2917 case MALI_JOB_TYPE_COMPUTE
:
2919 if (h
->job_type
== MALI_JOB_TYPE_TILER
)
2920 pandecode_tiler_job_bfr(h
, mem
, payload_ptr
, job_no
, gpu_id
);
2922 pandecode_vertex_job_bfr(h
, mem
, payload_ptr
, job_no
, gpu_id
);
2924 pandecode_vertex_or_tiler_job_mdg(h
, mem
, payload_ptr
, job_no
, gpu_id
);
2928 case MALI_JOB_TYPE_FRAGMENT
:
2929 pandecode_fragment_job(mem
, payload_ptr
, job_no
, bifrost
, gpu_id
);
2935 } while ((jc_gpu_va
= h
->next_job
));
2937 pandecode_map_read_write();