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 <panfrost-job.h>
34 #include "util/macros.h"
35 #include "util/u_math.h"
37 #include "pan_pretty_print.h"
38 #include "midgard/disassemble.h"
39 #include "bifrost/disassemble.h"
41 #include "pan_encoder.h"
43 static void pandecode_swizzle(unsigned swizzle
, enum mali_format format
);
45 #define MEMORY_PROP(obj, p) {\
47 char *a = pointer_as_memory_reference(obj->p); \
48 pandecode_prop("%s = %s", #p, a); \
53 #define MEMORY_PROP_DIR(obj, p) {\
55 char *a = pointer_as_memory_reference(obj.p); \
56 pandecode_prop("%s = %s", #p, a); \
61 FILE *pandecode_dump_stream
;
63 /* Semantic logging type.
65 * Raw: for raw messages to be printed as is.
66 * Message: for helpful information to be commented out in replays.
67 * Property: for properties of a struct
69 * Use one of pandecode_log, pandecode_msg, or pandecode_prop as syntax sugar.
72 enum pandecode_log_type
{
78 #define pandecode_log(...) pandecode_log_typed(PANDECODE_RAW, __VA_ARGS__)
79 #define pandecode_msg(...) pandecode_log_typed(PANDECODE_MESSAGE, __VA_ARGS__)
80 #define pandecode_prop(...) pandecode_log_typed(PANDECODE_PROPERTY, __VA_ARGS__)
82 unsigned pandecode_indent
= 0;
85 pandecode_make_indent(void)
87 for (unsigned i
= 0; i
< pandecode_indent
; ++i
)
88 fprintf(pandecode_dump_stream
, " ");
92 pandecode_log_typed(enum pandecode_log_type type
, const char *format
, ...)
96 pandecode_make_indent();
98 if (type
== PANDECODE_MESSAGE
)
99 fprintf(pandecode_dump_stream
, "// ");
100 else if (type
== PANDECODE_PROPERTY
)
101 fprintf(pandecode_dump_stream
, ".");
103 va_start(ap
, format
);
104 vfprintf(pandecode_dump_stream
, format
, ap
);
107 if (type
== PANDECODE_PROPERTY
)
108 fprintf(pandecode_dump_stream
, ",\n");
112 pandecode_log_cont(const char *format
, ...)
116 va_start(ap
, format
);
117 vfprintf(pandecode_dump_stream
, format
, ap
);
121 /* To check for memory safety issues, validates that the given pointer in GPU
122 * memory is valid, containing at least sz bytes. The goal is to eliminate
123 * GPU-side memory bugs (NULL pointer dereferences, buffer overflows, or buffer
124 * overruns) by statically validating pointers.
128 pandecode_validate_buffer(mali_ptr addr
, size_t sz
)
131 pandecode_msg("XXX: null pointer deref");
137 struct pandecode_mapped_memory
*bo
=
138 pandecode_find_mapped_gpu_mem_containing(addr
);
141 pandecode_msg("XXX: invalid memory dereference\n");
147 unsigned offset
= addr
- bo
->gpu_va
;
148 unsigned total
= offset
+ sz
;
150 if (total
> bo
->length
) {
151 pandecode_msg("XXX: buffer overrun. "
152 "Chunk of size %zu at offset %d in buffer of size %zu. "
153 "Overrun by %zu bytes. \n",
154 sz
, offset
, bo
->length
, total
- bo
->length
);
159 struct pandecode_flag_info
{
165 pandecode_log_decoded_flags(const struct pandecode_flag_info
*flag_info
,
168 bool decodable_flags_found
= false;
170 for (int i
= 0; flag_info
[i
].name
; i
++) {
171 if ((flags
& flag_info
[i
].flag
) != flag_info
[i
].flag
)
174 if (!decodable_flags_found
) {
175 decodable_flags_found
= true;
177 pandecode_log_cont(" | ");
180 pandecode_log_cont("%s", flag_info
[i
].name
);
182 flags
&= ~flag_info
[i
].flag
;
185 if (decodable_flags_found
) {
187 pandecode_log_cont(" | 0x%" PRIx64
, flags
);
189 pandecode_log_cont("0x%" PRIx64
, flags
);
193 #define FLAG_INFO(flag) { MALI_##flag, "MALI_" #flag }
194 static const struct pandecode_flag_info gl_enable_flag_info
[] = {
195 FLAG_INFO(OCCLUSION_QUERY
),
196 FLAG_INFO(OCCLUSION_PRECISE
),
197 FLAG_INFO(FRONT_CCW_TOP
),
198 FLAG_INFO(CULL_FACE_FRONT
),
199 FLAG_INFO(CULL_FACE_BACK
),
204 #define FLAG_INFO(flag) { MALI_CLEAR_##flag, "MALI_CLEAR_" #flag }
205 static const struct pandecode_flag_info clear_flag_info
[] = {
208 FLAG_INFO(SLOW_STENCIL
),
213 #define FLAG_INFO(flag) { MALI_MASK_##flag, "MALI_MASK_" #flag }
214 static const struct pandecode_flag_info mask_flag_info
[] = {
223 #define FLAG_INFO(flag) { MALI_##flag, "MALI_" #flag }
224 static const struct pandecode_flag_info u3_flag_info
[] = {
226 FLAG_INFO(CAN_DISCARD
),
227 FLAG_INFO(HAS_BLEND_SHADER
),
228 FLAG_INFO(DEPTH_WRITEMASK
),
232 static const struct pandecode_flag_info u4_flag_info
[] = {
234 FLAG_INFO(NO_DITHER
),
235 FLAG_INFO(DEPTH_RANGE_A
),
236 FLAG_INFO(DEPTH_RANGE_B
),
237 FLAG_INFO(STENCIL_TEST
),
238 FLAG_INFO(SAMPLE_ALPHA_TO_COVERAGE_NO_BLEND_SHADER
),
243 #define FLAG_INFO(flag) { MALI_MFBD_FORMAT_##flag, "MALI_MFBD_FORMAT_" #flag }
244 static const struct pandecode_flag_info mfbd_fmt_flag_info
[] = {
251 #define FLAG_INFO(flag) { MALI_EXTRA_##flag, "MALI_EXTRA_" #flag }
252 static const struct pandecode_flag_info mfbd_extra_flag_hi_info
[] = {
258 #define FLAG_INFO(flag) { MALI_EXTRA_##flag, "MALI_EXTRA_" #flag }
259 static const struct pandecode_flag_info mfbd_extra_flag_lo_info
[] = {
265 #define FLAG_INFO(flag) { MALI_##flag, "MALI_" #flag }
266 static const struct pandecode_flag_info shader_midgard1_flag_lo_info
[] = {
269 FLAG_INFO(READS_TILEBUFFER
),
274 static const struct pandecode_flag_info shader_midgard1_flag_hi_info
[] = {
280 #define FLAG_INFO(flag) { MALI_MFBD_##flag, "MALI_MFBD_" #flag }
281 static const struct pandecode_flag_info mfbd_flag_info
[] = {
282 FLAG_INFO(DEPTH_WRITE
),
288 #define FLAG_INFO(flag) { MALI_SAMP_##flag, "MALI_SAMP_" #flag }
289 static const struct pandecode_flag_info sampler_flag_info
[] = {
290 FLAG_INFO(MAG_NEAREST
),
291 FLAG_INFO(MIN_NEAREST
),
292 FLAG_INFO(MIP_LINEAR_1
),
293 FLAG_INFO(MIP_LINEAR_2
),
294 FLAG_INFO(NORM_COORDS
),
299 #define FLAG_INFO(flag) { MALI_SFBD_FORMAT_##flag, "MALI_SFBD_FORMAT_" #flag }
300 static const struct pandecode_flag_info sfbd_unk1_info
[] = {
307 #define FLAG_INFO(flag) { MALI_SFBD_FORMAT_##flag, "MALI_SFBD_FORMAT_" #flag }
308 static const struct pandecode_flag_info sfbd_unk2_info
[] = {
315 extern char *replace_fragment
;
316 extern char *replace_vertex
;
319 pandecode_job_type(enum mali_job_type type
)
321 #define DEFINE_CASE(name) case JOB_TYPE_ ## name: return "JOB_TYPE_" #name
325 DEFINE_CASE(WRITE_VALUE
);
326 DEFINE_CASE(CACHE_FLUSH
);
327 DEFINE_CASE(COMPUTE
);
331 DEFINE_CASE(FRAGMENT
);
333 case JOB_NOT_STARTED
:
334 return "NOT_STARTED";
337 pandecode_log("Warning! Unknown job type %x\n", type
);
345 pandecode_draw_mode(enum mali_draw_mode mode
)
347 #define DEFINE_CASE(name) case MALI_ ## name: return "MALI_" #name
350 DEFINE_CASE(DRAW_NONE
);
353 DEFINE_CASE(TRIANGLES
);
354 DEFINE_CASE(TRIANGLE_STRIP
);
355 DEFINE_CASE(TRIANGLE_FAN
);
356 DEFINE_CASE(LINE_STRIP
);
357 DEFINE_CASE(LINE_LOOP
);
358 DEFINE_CASE(POLYGON
);
360 DEFINE_CASE(QUAD_STRIP
);
363 pandecode_msg("XXX: invalid draw mode %X\n", mode
);
370 #define DEFINE_CASE(name) case MALI_FUNC_ ## name: return "MALI_FUNC_" #name
372 pandecode_func(enum mali_func mode
)
379 DEFINE_CASE(GREATER
);
380 DEFINE_CASE(NOTEQUAL
);
385 pandecode_msg("XXX: invalid func %X\n", mode
);
391 #define DEFINE_CASE(name) case MALI_STENCIL_ ## name: return "MALI_STENCIL_" #name
393 pandecode_stencil_op(enum mali_stencil_op op
)
397 DEFINE_CASE(REPLACE
);
400 DEFINE_CASE(INCR_WRAP
);
401 DEFINE_CASE(DECR_WRAP
);
406 pandecode_msg("XXX: invalid stencil op %X\n", op
);
413 static char *pandecode_attr_mode_short(enum mali_attr_mode mode
)
416 /* TODO: Combine to just "instanced" once this can be done
417 * unambiguously in all known cases */
418 case MALI_ATTR_POT_DIVIDE
:
419 return "instanced_pot";
420 case MALI_ATTR_MODULO
:
421 return "instanced_mod";
422 case MALI_ATTR_NPOT_DIVIDE
:
423 return "instanced_npot";
424 case MALI_ATTR_IMAGE
:
427 pandecode_msg("XXX: invalid attribute mode %X\n", mode
);
433 pandecode_special_record(uint64_t v
, bool* attribute
)
436 case MALI_ATTR_VERTEXID
:
438 return "gl_VertexID";
439 case MALI_ATTR_INSTANCEID
:
441 return "gl_InstanceID";
442 case MALI_VARYING_FRAG_COORD
:
443 return "gl_FragCoord";
444 case MALI_VARYING_FRONT_FACING
:
445 return "gl_FrontFacing";
446 case MALI_VARYING_POINT_COORD
:
447 return "gl_PointCoord";
449 pandecode_msg("XXX: invalid special record %" PRIx64
"\n", v
);
454 #define DEFINE_CASE(name) case MALI_WRAP_## name: return "MALI_WRAP_" #name
456 pandecode_wrap_mode(enum mali_wrap_mode op
)
460 DEFINE_CASE(CLAMP_TO_EDGE
);
461 DEFINE_CASE(CLAMP_TO_BORDER
);
462 DEFINE_CASE(MIRRORED_REPEAT
);
465 pandecode_msg("XXX: invalid wrap mode %X\n", op
);
471 #define DEFINE_CASE(name) case MALI_BLOCK_## name: return "MALI_BLOCK_" #name
473 pandecode_block_format(enum mali_block_format fmt
)
477 DEFINE_CASE(UNKNOWN
);
482 unreachable("Invalid case");
487 #define DEFINE_CASE(name) case MALI_EXCEPTION_ACCESS_## name: return ""#name
489 pandecode_exception_access(unsigned access
)
493 DEFINE_CASE(EXECUTE
);
498 unreachable("Invalid case");
503 /* Midgard's tiler descriptor is embedded within the
507 pandecode_midgard_tiler_descriptor(
508 const struct midgard_tiler_descriptor
*t
,
514 pandecode_log(".tiler = {\n");
517 if (t
->hierarchy_mask
== MALI_TILER_DISABLED
)
518 pandecode_prop("hierarchy_mask = MALI_TILER_DISABLED");
520 pandecode_prop("hierarchy_mask = 0x%" PRIx16
, t
->hierarchy_mask
);
522 /* We know this name from the kernel, but we never see it nonzero */
525 pandecode_msg("XXX: unexpected tiler flags 0x%" PRIx16
, t
->flags
);
527 MEMORY_PROP(t
, polygon_list
);
529 /* The body is offset from the base of the polygon list */
530 assert(t
->polygon_list_body
> t
->polygon_list
);
531 unsigned body_offset
= t
->polygon_list_body
- t
->polygon_list
;
533 /* It needs to fit inside the reported size */
534 assert(t
->polygon_list_size
>= body_offset
);
536 /* Check that we fit */
537 struct pandecode_mapped_memory
*plist
=
538 pandecode_find_mapped_gpu_mem_containing(t
->polygon_list
);
540 assert(t
->polygon_list_size
<= plist
->length
);
542 /* Now that we've sanity checked, we'll try to calculate the sizes
543 * ourselves for comparison */
545 unsigned ref_header
= panfrost_tiler_header_size(width
, height
, t
->hierarchy_mask
, has_hierarchy
);
546 unsigned ref_size
= panfrost_tiler_full_size(width
, height
, t
->hierarchy_mask
, has_hierarchy
);
548 if (!((ref_header
== body_offset
) && (ref_size
== t
->polygon_list_size
))) {
549 pandecode_msg("XXX: bad polygon list size (expected %d / 0x%x)\n",
550 ref_header
, ref_size
);
551 pandecode_prop("polygon_list_size = 0x%x", t
->polygon_list_size
);
552 pandecode_msg("body offset %d\n", body_offset
);
555 /* The tiler heap has a start and end specified -- it should be
556 * identical to what we have in the BO. The exception is if tiling is
559 MEMORY_PROP(t
, heap_start
);
560 assert(t
->heap_end
>= t
->heap_start
);
562 struct pandecode_mapped_memory
*heap
=
563 pandecode_find_mapped_gpu_mem_containing(t
->heap_start
);
565 unsigned heap_size
= t
->heap_end
- t
->heap_start
;
567 /* Tiling is enabled with a special flag */
568 unsigned hierarchy_mask
= t
->hierarchy_mask
& MALI_HIERARCHY_MASK
;
569 unsigned tiler_flags
= t
->hierarchy_mask
^ hierarchy_mask
;
571 bool tiling_enabled
= hierarchy_mask
;
573 if (tiling_enabled
) {
574 /* When tiling is enabled, the heap should be a tight fit */
575 unsigned heap_offset
= t
->heap_start
- heap
->gpu_va
;
576 if ((heap_offset
+ heap_size
) != heap
->length
) {
577 pandecode_msg("XXX: heap size %u (expected %zu)\n",
578 heap_size
, heap
->length
- heap_offset
);
581 /* We should also have no other flags */
583 pandecode_msg("XXX: unexpected tiler %X\n", tiler_flags
);
585 /* When tiling is disabled, we should have that flag and no others */
587 if (tiler_flags
!= MALI_TILER_DISABLED
) {
588 pandecode_msg("XXX: unexpected tiler flag %X, expected MALI_TILER_DISABLED\n",
592 /* We should also have an empty heap */
594 pandecode_msg("XXX: tiler heap size %d given, expected empty\n",
598 /* Disabled tiling is used only for clear-only jobs, which are
599 * purely FRAGMENT, so we should never see this for
600 * non-FRAGMENT descriptors. */
603 pandecode_msg("XXX: tiler disabled for non-FRAGMENT job\n");
606 /* We've never seen weights used in practice, but we know from the
607 * kernel these fields is there */
609 bool nonzero_weights
= false;
611 for (unsigned w
= 0; w
< ARRAY_SIZE(t
->weights
); ++w
) {
612 nonzero_weights
|= t
->weights
[w
] != 0x0;
615 if (nonzero_weights
) {
616 pandecode_log(".weights = {");
618 for (unsigned w
= 0; w
< ARRAY_SIZE(t
->weights
); ++w
) {
619 pandecode_log("%d, ", t
->weights
[w
]);
626 pandecode_log("}\n");
629 /* Information about the framebuffer passed back for
630 * additional analysis */
632 struct pandecode_fbd
{
640 pandecode_sfbd_format(struct mali_sfbd_format format
)
642 pandecode_log(".format = {\n");
645 pandecode_log(".unk1 = ");
646 pandecode_log_decoded_flags(sfbd_unk1_info
, format
.unk1
);
647 pandecode_log_cont(",\n");
649 /* TODO: Map formats so we can check swizzles and print nicely */
650 pandecode_log("swizzle");
651 pandecode_swizzle(format
.swizzle
, MALI_RGBA8_UNORM
);
652 pandecode_log_cont(",\n");
654 pandecode_prop("nr_channels = MALI_POSITIVE(%d)",
655 (format
.nr_channels
+ 1));
657 pandecode_log(".unk2 = ");
658 pandecode_log_decoded_flags(sfbd_unk2_info
, format
.unk2
);
659 pandecode_log_cont(",\n");
661 pandecode_prop("block = %s", pandecode_block_format(format
.block
));
663 pandecode_prop("unk3 = 0x%" PRIx32
, format
.unk3
);
666 pandecode_log("},\n");
670 pandecode_shared_memory(const struct mali_shared_memory
*desc
, bool is_compute
)
672 pandecode_prop("stack_shift = 0x%x", desc
->stack_shift
);
675 pandecode_prop("unk0 = 0x%x", desc
->unk0
);
677 if (desc
->shared_workgroup_count
!= 0x1F) {
678 pandecode_prop("shared_workgroup_count = %d", desc
->shared_workgroup_count
);
680 pandecode_msg("XXX: wrong workgroup count for noncompute\n");
683 if (desc
->shared_unk1
|| desc
->shared_shift
) {
684 pandecode_prop("shared_unk1 = %X", desc
->shared_unk1
);
685 pandecode_prop("shared_shift = %X", desc
->shared_shift
);
688 pandecode_msg("XXX: shared memory configured in noncompute shader");
691 if (desc
->shared_zero
) {
692 pandecode_msg("XXX: shared memory zero tripped\n");
693 pandecode_prop("shared_zero = 0x%" PRIx32
, desc
->shared_zero
);
696 if (desc
->shared_memory
&& !is_compute
)
697 pandecode_msg("XXX: shared memory used in noncompute shader\n");
699 MEMORY_PROP(desc
, scratchpad
);
700 MEMORY_PROP(desc
, shared_memory
);
701 MEMORY_PROP(desc
, unknown1
);
704 static struct pandecode_fbd
705 pandecode_sfbd(uint64_t gpu_va
, int job_no
, bool is_fragment
, unsigned gpu_id
)
707 struct pandecode_mapped_memory
*mem
= pandecode_find_mapped_gpu_mem_containing(gpu_va
);
708 const struct mali_single_framebuffer
*PANDECODE_PTR_VAR(s
, mem
, (mali_ptr
) gpu_va
);
710 struct pandecode_fbd info
= {
715 pandecode_log("struct mali_single_framebuffer framebuffer_%"PRIx64
"_%d = {\n", gpu_va
, job_no
);
718 pandecode_log(".shared_memory = {\n");
720 pandecode_shared_memory(&s
->shared_memory
, false);
722 pandecode_log("},\n");
724 pandecode_sfbd_format(s
->format
);
726 info
.width
= s
->width
+ 1;
727 info
.height
= s
->height
+ 1;
729 pandecode_prop("width = MALI_POSITIVE(%" PRId16
")", info
.width
);
730 pandecode_prop("height = MALI_POSITIVE(%" PRId16
")", info
.height
);
732 MEMORY_PROP(s
, checksum
);
734 if (s
->checksum_stride
)
735 pandecode_prop("checksum_stride = %d", s
->checksum_stride
);
737 MEMORY_PROP(s
, framebuffer
);
738 pandecode_prop("stride = %d", s
->stride
);
740 /* Earlier in the actual commandstream -- right before width -- but we
741 * delay to flow nicer */
743 pandecode_log(".clear_flags = ");
744 pandecode_log_decoded_flags(clear_flag_info
, s
->clear_flags
);
745 pandecode_log_cont(",\n");
747 if (s
->depth_buffer
) {
748 MEMORY_PROP(s
, depth_buffer
);
749 pandecode_prop("depth_stride = %d", s
->depth_stride
);
752 if (s
->stencil_buffer
) {
753 MEMORY_PROP(s
, stencil_buffer
);
754 pandecode_prop("stencil_stride = %d", s
->stencil_stride
);
757 if (s
->depth_stride_zero
||
758 s
->stencil_stride_zero
||
759 s
->zero7
|| s
->zero8
) {
760 pandecode_msg("XXX: Depth/stencil zeros tripped\n");
761 pandecode_prop("depth_stride_zero = 0x%x",
762 s
->depth_stride_zero
);
763 pandecode_prop("stencil_stride_zero = 0x%x",
764 s
->stencil_stride_zero
);
765 pandecode_prop("zero7 = 0x%" PRIx32
,
767 pandecode_prop("zero8 = 0x%" PRIx32
,
771 if (s
->clear_color_1
| s
->clear_color_2
| s
->clear_color_3
| s
->clear_color_4
) {
772 pandecode_prop("clear_color_1 = 0x%" PRIx32
, s
->clear_color_1
);
773 pandecode_prop("clear_color_2 = 0x%" PRIx32
, s
->clear_color_2
);
774 pandecode_prop("clear_color_3 = 0x%" PRIx32
, s
->clear_color_3
);
775 pandecode_prop("clear_color_4 = 0x%" PRIx32
, s
->clear_color_4
);
778 if (s
->clear_depth_1
!= 0 || s
->clear_depth_2
!= 0 || s
->clear_depth_3
!= 0 || s
->clear_depth_4
!= 0) {
779 pandecode_prop("clear_depth_1 = %f", s
->clear_depth_1
);
780 pandecode_prop("clear_depth_2 = %f", s
->clear_depth_2
);
781 pandecode_prop("clear_depth_3 = %f", s
->clear_depth_3
);
782 pandecode_prop("clear_depth_4 = %f", s
->clear_depth_4
);
785 if (s
->clear_stencil
) {
786 pandecode_prop("clear_stencil = 0x%x", s
->clear_stencil
);
789 const struct midgard_tiler_descriptor t
= s
->tiler
;
791 bool has_hierarchy
= !(gpu_id
== 0x0720 || gpu_id
== 0x0820 || gpu_id
== 0x0830);
792 pandecode_midgard_tiler_descriptor(&t
, s
->width
+ 1, s
->height
+ 1, is_fragment
, has_hierarchy
);
795 pandecode_log("};\n");
797 pandecode_prop("zero2 = 0x%" PRIx32
, s
->zero2
);
798 pandecode_prop("zero4 = 0x%" PRIx32
, s
->zero4
);
799 pandecode_prop("zero5 = 0x%" PRIx32
, s
->zero5
);
801 pandecode_log_cont(".zero3 = {");
803 for (int i
= 0; i
< sizeof(s
->zero3
) / sizeof(s
->zero3
[0]); ++i
)
804 pandecode_log_cont("%X, ", s
->zero3
[i
]);
806 pandecode_log_cont("},\n");
808 pandecode_log_cont(".zero6 = {");
810 for (int i
= 0; i
< sizeof(s
->zero6
) / sizeof(s
->zero6
[0]); ++i
)
811 pandecode_log_cont("%X, ", s
->zero6
[i
]);
813 pandecode_log_cont("},\n");
819 pandecode_compute_fbd(uint64_t gpu_va
, int job_no
)
821 struct pandecode_mapped_memory
*mem
= pandecode_find_mapped_gpu_mem_containing(gpu_va
);
822 const struct mali_shared_memory
*PANDECODE_PTR_VAR(s
, mem
, (mali_ptr
) gpu_va
);
824 pandecode_log("struct mali_shared_memory shared_%"PRIx64
"_%d = {\n", gpu_va
, job_no
);
826 pandecode_shared_memory(s
, true);
828 pandecode_log("},\n");
831 /* Extracts the number of components associated with a Mali format */
834 pandecode_format_component_count(enum mali_format fmt
)
836 /* Mask out the format class */
837 unsigned top
= fmt
& 0b11100000;
840 case MALI_FORMAT_SNORM
:
841 case MALI_FORMAT_UINT
:
842 case MALI_FORMAT_UNORM
:
843 case MALI_FORMAT_SINT
:
844 return ((fmt
>> 3) & 3) + 1;
851 /* Extracts a mask of accessed components from a 12-bit Mali swizzle */
854 pandecode_access_mask_from_channel_swizzle(unsigned swizzle
)
857 assert(MALI_CHANNEL_RED
== 0);
859 for (unsigned c
= 0; c
< 4; ++c
) {
860 enum mali_channel chan
= (swizzle
>> (3*c
)) & 0x7;
862 if (chan
<= MALI_CHANNEL_ALPHA
)
869 /* Validates that a (format, swizzle) pair is valid, in the sense that the
870 * swizzle doesn't access any components that are undefined in the format.
871 * Returns whether the swizzle is trivial (doesn't do any swizzling) and can be
875 pandecode_validate_format_swizzle(enum mali_format fmt
, unsigned swizzle
)
877 unsigned nr_comp
= pandecode_format_component_count(fmt
);
878 unsigned access_mask
= pandecode_access_mask_from_channel_swizzle(swizzle
);
879 unsigned valid_mask
= (1 << nr_comp
) - 1;
880 unsigned invalid_mask
= ~valid_mask
;
882 if (access_mask
& invalid_mask
) {
883 pandecode_msg("XXX: invalid components accessed\n");
887 /* Check for the default non-swizzling swizzle so we can suppress
888 * useless printing for the defaults */
890 unsigned default_swizzles
[4] = {
891 MALI_CHANNEL_RED
| (MALI_CHANNEL_ZERO
<< 3) | (MALI_CHANNEL_ZERO
<< 6) | (MALI_CHANNEL_ONE
<< 9),
892 MALI_CHANNEL_RED
| (MALI_CHANNEL_GREEN
<< 3) | (MALI_CHANNEL_ZERO
<< 6) | (MALI_CHANNEL_ONE
<< 9),
893 MALI_CHANNEL_RED
| (MALI_CHANNEL_GREEN
<< 3) | (MALI_CHANNEL_BLUE
<< 6) | (MALI_CHANNEL_ONE
<< 9),
894 MALI_CHANNEL_RED
| (MALI_CHANNEL_GREEN
<< 3) | (MALI_CHANNEL_BLUE
<< 6) | (MALI_CHANNEL_ALPHA
<< 9)
897 return (swizzle
== default_swizzles
[nr_comp
- 1]);
900 /* Maps MALI_RGBA32F to rgba32f, etc */
903 pandecode_format_short(enum mali_format fmt
, bool srgb
)
905 /* We want a type-like format, so cut off the initial MALI_ */
906 char *format
= pandecode_format(fmt
);
907 format
+= strlen("MALI_");
909 unsigned len
= strlen(format
);
910 char *lower_format
= calloc(1, len
+ 1);
912 for (unsigned i
= 0; i
< len
; ++i
)
913 lower_format
[i
] = tolower(format
[i
]);
915 /* Sanity check sRGB flag is applied to RGB, per the name */
916 if (srgb
&& lower_format
[0] != 'r')
917 pandecode_msg("XXX: sRGB applied to non-colour format\n");
919 /* Just prefix with an s, so you get formats like srgba8_unorm */
921 pandecode_log_cont("s");
923 pandecode_log_cont("%s", lower_format
);
928 pandecode_swizzle(unsigned swizzle
, enum mali_format format
)
930 /* First, do some validation */
931 bool trivial_swizzle
= pandecode_validate_format_swizzle(
937 /* Next, print the swizzle */
938 pandecode_log_cont(".");
940 static const char components
[] = "rgba01";
942 for (unsigned c
= 0; c
< 4; ++c
) {
943 enum mali_channel chan
= (swizzle
>> (3 * c
)) & 0x7;
945 if (chan
>= MALI_CHANNEL_RESERVED_0
) {
946 pandecode_log("XXX: invalid swizzle channel %d\n", chan
);
949 pandecode_log_cont("%c", components
[chan
]);
954 pandecode_rt_format(struct mali_rt_format format
)
956 pandecode_log(".format = {\n");
959 pandecode_prop("unk1 = 0x%" PRIx32
, format
.unk1
);
960 pandecode_prop("unk2 = 0x%" PRIx32
, format
.unk2
);
961 pandecode_prop("unk3 = 0x%" PRIx32
, format
.unk3
);
963 pandecode_prop("block = %s", pandecode_block_format(format
.block
));
965 /* TODO: Map formats so we can check swizzles and print nicely */
966 pandecode_log("swizzle");
967 pandecode_swizzle(format
.swizzle
, MALI_RGBA8_UNORM
);
968 pandecode_log_cont(",\n");
970 pandecode_prop("nr_channels = MALI_POSITIVE(%d)",
971 (format
.nr_channels
+ 1));
973 pandecode_log(".flags = ");
974 pandecode_log_decoded_flags(mfbd_fmt_flag_info
, format
.flags
);
975 pandecode_log_cont(",\n");
977 /* In theory, the no_preload bit can be cleared to enable MFBD preload,
978 * which is a faster hardware-based alternative to the wallpaper method
979 * to preserve framebuffer contents across frames. In practice, MFBD
980 * preload is buggy on Midgard, and so this is a chicken bit. If this
981 * bit isn't set, most likely something broke unrelated to preload */
983 if (!format
.no_preload
) {
984 pandecode_msg("XXX: buggy MFBD preload enabled - chicken bit should be clear\n");
985 pandecode_prop("no_preload = 0x%" PRIx32
, format
.no_preload
);
989 pandecode_prop("zero = 0x%" PRIx32
, format
.zero
);
992 pandecode_log("},\n");
996 pandecode_render_target(uint64_t gpu_va
, unsigned job_no
, const struct mali_framebuffer
*fb
)
998 pandecode_log("struct mali_render_target rts_list_%"PRIx64
"_%d[] = {\n", gpu_va
, job_no
);
1001 for (int i
= 0; i
< (fb
->rt_count_1
+ 1); i
++) {
1002 mali_ptr rt_va
= gpu_va
+ i
* sizeof(struct mali_render_target
);
1003 struct pandecode_mapped_memory
*mem
=
1004 pandecode_find_mapped_gpu_mem_containing(rt_va
);
1005 const struct mali_render_target
*PANDECODE_PTR_VAR(rt
, mem
, (mali_ptr
) rt_va
);
1007 pandecode_log("{\n");
1010 pandecode_rt_format(rt
->format
);
1012 if (rt
->format
.block
== MALI_BLOCK_AFBC
) {
1013 pandecode_log(".afbc = {\n");
1016 char *a
= pointer_as_memory_reference(rt
->afbc
.metadata
);
1017 pandecode_prop("metadata = %s", a
);
1020 pandecode_prop("stride = %d", rt
->afbc
.stride
);
1021 pandecode_prop("unk = 0x%" PRIx32
, rt
->afbc
.unk
);
1024 pandecode_log("},\n");
1025 } else if (rt
->afbc
.metadata
|| rt
->afbc
.stride
|| rt
->afbc
.unk
) {
1026 pandecode_msg("XXX: AFBC disabled but AFBC field set (0x%lX, 0x%x, 0x%x)\n",
1032 MEMORY_PROP(rt
, framebuffer
);
1033 pandecode_prop("framebuffer_stride = %d", rt
->framebuffer_stride
);
1035 if (rt
->clear_color_1
| rt
->clear_color_2
| rt
->clear_color_3
| rt
->clear_color_4
) {
1036 pandecode_prop("clear_color_1 = 0x%" PRIx32
, rt
->clear_color_1
);
1037 pandecode_prop("clear_color_2 = 0x%" PRIx32
, rt
->clear_color_2
);
1038 pandecode_prop("clear_color_3 = 0x%" PRIx32
, rt
->clear_color_3
);
1039 pandecode_prop("clear_color_4 = 0x%" PRIx32
, rt
->clear_color_4
);
1042 if (rt
->zero1
|| rt
->zero2
|| rt
->zero3
) {
1043 pandecode_msg("XXX: render target zeros tripped\n");
1044 pandecode_prop("zero1 = 0x%" PRIx64
, rt
->zero1
);
1045 pandecode_prop("zero2 = 0x%" PRIx32
, rt
->zero2
);
1046 pandecode_prop("zero3 = 0x%" PRIx32
, rt
->zero3
);
1050 pandecode_log("},\n");
1054 pandecode_log("};\n");
1057 static struct pandecode_fbd
1058 pandecode_mfbd_bfr(uint64_t gpu_va
, int job_no
, bool is_fragment
, bool is_compute
)
1060 struct pandecode_mapped_memory
*mem
= pandecode_find_mapped_gpu_mem_containing(gpu_va
);
1061 const struct mali_framebuffer
*PANDECODE_PTR_VAR(fb
, mem
, (mali_ptr
) gpu_va
);
1063 struct pandecode_fbd info
;
1065 pandecode_log("struct mali_framebuffer framebuffer_%"PRIx64
"_%d = {\n", gpu_va
, job_no
);
1068 pandecode_log(".shared_memory = {\n");
1070 pandecode_shared_memory(&fb
->shared_memory
, is_compute
);
1072 pandecode_log("},\n");
1074 info
.width
= fb
->width1
+ 1;
1075 info
.height
= fb
->height1
+ 1;
1076 info
.rt_count
= fb
->rt_count_1
+ 1;
1078 pandecode_prop("width1 = MALI_POSITIVE(%d)", fb
->width1
+ 1);
1079 pandecode_prop("height1 = MALI_POSITIVE(%d)", fb
->height1
+ 1);
1080 pandecode_prop("width2 = MALI_POSITIVE(%d)", fb
->width2
+ 1);
1081 pandecode_prop("height2 = MALI_POSITIVE(%d)", fb
->height2
+ 1);
1083 pandecode_prop("unk1 = 0x%x", fb
->unk1
);
1084 pandecode_prop("unk2 = 0x%x", fb
->unk2
);
1085 pandecode_prop("rt_count_1 = MALI_POSITIVE(%d)", fb
->rt_count_1
+ 1);
1086 pandecode_prop("rt_count_2 = %d", fb
->rt_count_2
);
1088 pandecode_log(".mfbd_flags = ");
1089 pandecode_log_decoded_flags(mfbd_flag_info
, fb
->mfbd_flags
);
1090 pandecode_log_cont(",\n");
1092 if (fb
->clear_stencil
)
1093 pandecode_prop("clear_stencil = 0x%x", fb
->clear_stencil
);
1095 if (fb
->clear_depth
)
1096 pandecode_prop("clear_depth = %f", fb
->clear_depth
);
1098 const struct midgard_tiler_descriptor t
= fb
->tiler
;
1100 pandecode_midgard_tiler_descriptor(&t
, fb
->width1
+ 1, fb
->height1
+ 1, is_fragment
, true);
1102 pandecode_msg("XXX: skipping compute MFBD, fixme\n");
1104 if (fb
->zero3
|| fb
->zero4
) {
1105 pandecode_msg("XXX: framebuffer zeros tripped\n");
1106 pandecode_prop("zero3 = 0x%" PRIx32
, fb
->zero3
);
1107 pandecode_prop("zero4 = 0x%" PRIx32
, fb
->zero4
);
1111 pandecode_log("};\n");
1113 gpu_va
+= sizeof(struct mali_framebuffer
);
1115 info
.has_extra
= (fb
->mfbd_flags
& MALI_MFBD_EXTRA
) && is_fragment
;
1117 if (info
.has_extra
) {
1118 mem
= pandecode_find_mapped_gpu_mem_containing(gpu_va
);
1119 const struct mali_framebuffer_extra
*PANDECODE_PTR_VAR(fbx
, mem
, (mali_ptr
) gpu_va
);
1121 pandecode_log("struct mali_framebuffer_extra fb_extra_%"PRIx64
"_%d = {\n", gpu_va
, job_no
);
1124 MEMORY_PROP(fbx
, checksum
);
1126 if (fbx
->checksum_stride
)
1127 pandecode_prop("checksum_stride = %d", fbx
->checksum_stride
);
1129 pandecode_log(".flags_hi = ");
1130 pandecode_log_decoded_flags(mfbd_extra_flag_hi_info
, fbx
->flags_lo
);
1131 pandecode_log_cont(",\n");
1133 pandecode_log(".flags_lo = ");
1134 pandecode_log_decoded_flags(mfbd_extra_flag_lo_info
, fbx
->flags_lo
);
1135 pandecode_log_cont(",\n");
1137 pandecode_prop("zs_block = %s", pandecode_block_format(fbx
->zs_block
));
1139 if (fbx
->zs_block
== MALI_BLOCK_AFBC
) {
1140 pandecode_log(".ds_afbc = {\n");
1143 MEMORY_PROP_DIR(fbx
->ds_afbc
, depth_stencil_afbc_metadata
);
1144 pandecode_prop("depth_stencil_afbc_stride = %d",
1145 fbx
->ds_afbc
.depth_stencil_afbc_stride
);
1146 MEMORY_PROP_DIR(fbx
->ds_afbc
, depth_stencil
);
1148 if (fbx
->ds_afbc
.zero1
|| fbx
->ds_afbc
.padding
) {
1149 pandecode_msg("XXX: Depth/stencil AFBC zeros tripped\n");
1150 pandecode_prop("zero1 = 0x%" PRIx32
,
1151 fbx
->ds_afbc
.zero1
);
1152 pandecode_prop("padding = 0x%" PRIx64
,
1153 fbx
->ds_afbc
.padding
);
1157 pandecode_log("},\n");
1159 pandecode_log(".ds_linear = {\n");
1162 if (fbx
->ds_linear
.depth
) {
1163 MEMORY_PROP_DIR(fbx
->ds_linear
, depth
);
1164 pandecode_prop("depth_stride = %d",
1165 fbx
->ds_linear
.depth_stride
);
1166 } else if (fbx
->ds_linear
.depth_stride
) {
1167 pandecode_msg("XXX: depth stride zero tripped %d\n", fbx
->ds_linear
.depth_stride
);
1170 if (fbx
->ds_linear
.stencil
) {
1171 MEMORY_PROP_DIR(fbx
->ds_linear
, stencil
);
1172 pandecode_prop("stencil_stride = %d",
1173 fbx
->ds_linear
.stencil_stride
);
1174 } else if (fbx
->ds_linear
.stencil_stride
) {
1175 pandecode_msg("XXX: stencil stride zero tripped %d\n", fbx
->ds_linear
.stencil_stride
);
1178 if (fbx
->ds_linear
.depth_stride_zero
||
1179 fbx
->ds_linear
.stencil_stride_zero
||
1180 fbx
->ds_linear
.zero1
|| fbx
->ds_linear
.zero2
) {
1181 pandecode_msg("XXX: Depth/stencil zeros tripped\n");
1182 pandecode_prop("depth_stride_zero = 0x%x",
1183 fbx
->ds_linear
.depth_stride_zero
);
1184 pandecode_prop("stencil_stride_zero = 0x%x",
1185 fbx
->ds_linear
.stencil_stride_zero
);
1186 pandecode_prop("zero1 = 0x%" PRIx32
,
1187 fbx
->ds_linear
.zero1
);
1188 pandecode_prop("zero2 = 0x%" PRIx32
,
1189 fbx
->ds_linear
.zero2
);
1193 pandecode_log("},\n");
1196 if (fbx
->zero3
|| fbx
->zero4
) {
1197 pandecode_msg("XXX: fb_extra zeros tripped\n");
1198 pandecode_prop("zero3 = 0x%" PRIx64
, fbx
->zero3
);
1199 pandecode_prop("zero4 = 0x%" PRIx64
, fbx
->zero4
);
1203 pandecode_log("};\n");
1205 gpu_va
+= sizeof(struct mali_framebuffer_extra
);
1209 pandecode_render_target(gpu_va
, job_no
, fb
);
1214 /* Just add a comment decoding the shift/odd fields forming the padded vertices
1218 pandecode_padded_vertices(unsigned shift
, unsigned k
)
1220 unsigned odd
= 2*k
+ 1;
1221 unsigned pot
= 1 << shift
;
1222 pandecode_msg("padded_num_vertices = %d\n", odd
* pot
);
1225 /* Given a magic divisor, recover what we were trying to divide by.
1227 * Let m represent the magic divisor. By definition, m is an element on Z, whre
1228 * 0 <= m < 2^N, for N bits in m.
1230 * Let q represent the number we would like to divide by.
1232 * By definition of a magic divisor for N-bit unsigned integers (a number you
1233 * multiply by to magically get division), m is a number such that:
1235 * (m * x) & (2^N - 1) = floor(x/q).
1236 * for all x on Z where 0 <= x < 2^N
1238 * Ignore the case where any of the above values equals zero; it is irrelevant
1239 * for our purposes (instanced arrays).
1241 * Choose x = q. Then:
1243 * (m * x) & (2^N - 1) = floor(x/q).
1244 * (m * q) & (2^N - 1) = floor(q/q).
1246 * floor(q/q) = floor(1) = 1, therefore:
1248 * (m * q) & (2^N - 1) = 1
1250 * Recall the identity that the bitwise AND of one less than a power-of-two
1251 * equals the modulo with that power of two, i.e. for all x:
1253 * x & (2^N - 1) = x % N
1259 * By definition, a modular multiplicative inverse of a number m is the number
1260 * q such that with respect to a modulos M:
1264 * Therefore, q is the modular multiplicative inverse of m with modulus 2^N.
1269 pandecode_magic_divisor(uint32_t magic
, unsigned shift
, unsigned orig_divisor
, unsigned extra
)
1272 /* Compute the modular inverse of `magic` with respect to 2^(32 -
1273 * shift) the most lame way possible... just repeatedly add.
1274 * Asymptoptically slow but nobody cares in practice, unless you have
1275 * massive numbers of vertices or high divisors. */
1277 unsigned inverse
= 0;
1279 /* Magic implicitly has the highest bit set */
1282 /* Depending on rounding direction */
1287 uint32_t product
= magic
* inverse
;
1299 pandecode_msg("dividing by %d (maybe off by two)\n", inverse
);
1301 /* Recall we're supposed to divide by (gl_level_divisor *
1302 * padded_num_vertices) */
1304 unsigned padded_num_vertices
= inverse
/ orig_divisor
;
1306 pandecode_msg("padded_num_vertices = %d\n", padded_num_vertices
);
1311 pandecode_attributes(const struct pandecode_mapped_memory
*mem
,
1312 mali_ptr addr
, int job_no
, char *suffix
,
1313 int count
, bool varying
, enum mali_job_type job_type
)
1315 char *prefix
= varying
? "varying" : "attribute";
1319 pandecode_msg("warn: No %s records\n", prefix
);
1323 union mali_attr
*attr
= pandecode_fetch_gpu_mem(mem
, addr
, sizeof(union mali_attr
) * count
);
1325 for (int i
= 0; i
< count
; ++i
) {
1326 /* First, check for special records */
1327 if (attr
[i
].elements
< MALI_RECORD_SPECIAL
) {
1329 pandecode_msg("XXX: tripped size=%d\n", attr
[i
].size
);
1331 if (attr
[i
].stride
) {
1332 /* gl_InstanceID passes a magic divisor in the
1333 * stride field to divide by the padded vertex
1334 * count. No other records should do so, so
1335 * stride should otherwise be zero. Note that
1336 * stride in the usual attribute sense doesn't
1337 * apply to special records. */
1339 bool has_divisor
= attr
[i
].elements
== MALI_ATTR_INSTANCEID
;
1341 pandecode_log_cont("/* %smagic divisor = %X */ ",
1342 has_divisor
? "" : "XXX: ", attr
[i
].stride
);
1345 if (attr
[i
].shift
|| attr
[i
].extra_flags
) {
1346 /* Attributes use these fields for
1347 * instancing/padding/etc type issues, but
1350 pandecode_log_cont("/* %sshift=%d, extra=%d */ ",
1351 varying
? "XXX: " : "",
1352 attr
[i
].shift
, attr
[i
].extra_flags
);
1355 /* Print the special record name */
1356 bool attribute
= false;
1357 pandecode_log("%s_%d = %s;\n", prefix
, i
, pandecode_special_record(attr
[i
].elements
, &attribute
));
1360 if (attribute
== varying
)
1361 pandecode_msg("XXX: mismatched special record\n");
1366 enum mali_attr_mode mode
= attr
[i
].elements
& 7;
1368 if (mode
== MALI_ATTR_UNUSED
)
1369 pandecode_msg("XXX: unused attribute record\n");
1371 /* For non-linear records, we need to print the type of record */
1372 if (mode
!= MALI_ATTR_LINEAR
)
1373 pandecode_log_cont("%s ", pandecode_attr_mode_short(mode
));
1375 /* Print the name to link with attr_meta */
1376 pandecode_log_cont("%s_%d", prefix
, i
);
1378 /* Print the stride and size */
1379 pandecode_log_cont("<%u>[%u]", attr
[i
].stride
, attr
[i
].size
);
1381 /* TODO: Sanity check the quotient itself. It must be equal to
1382 * (or be greater than, if the driver added padding) the padded
1385 /* Finally, print the pointer */
1386 mali_ptr raw_elements
= attr
[i
].elements
& ~7;
1387 char *a
= pointer_as_memory_reference(raw_elements
);
1388 pandecode_log_cont(" = (%s);\n", a
);
1391 /* Check the pointer */
1392 pandecode_validate_buffer(raw_elements
, attr
[i
].size
);
1394 /* shift/extra_flags exist only for instanced */
1395 if (attr
[i
].shift
| attr
[i
].extra_flags
) {
1396 /* These are set to random values by the blob for
1397 * varyings, most likely a symptom of uninitialized
1398 * memory where the hardware masked the bug. As such we
1399 * put this at a warning, not an error. */
1401 if (mode
== MALI_ATTR_LINEAR
)
1402 pandecode_msg("warn: instancing fields set for linear\n");
1404 pandecode_prop("shift = %d", attr
[i
].shift
);
1405 pandecode_prop("extra_flags = %d", attr
[i
].extra_flags
);
1408 /* Decode further where possible */
1410 if (mode
== MALI_ATTR_MODULO
) {
1411 pandecode_padded_vertices(
1413 attr
[i
].extra_flags
);
1416 if (mode
== MALI_ATTR_NPOT_DIVIDE
) {
1418 pandecode_log("{\n");
1420 pandecode_prop("unk = 0x%x", attr
[i
].unk
);
1421 pandecode_prop("magic_divisor = 0x%08x", attr
[i
].magic_divisor
);
1422 if (attr
[i
].zero
!= 0)
1423 pandecode_prop("XXX: zero tripped (0x%x)\n", attr
[i
].zero
);
1424 pandecode_prop("divisor = %d", attr
[i
].divisor
);
1425 pandecode_magic_divisor(attr
[i
].magic_divisor
, attr
[i
- 1].shift
, attr
[i
].divisor
, attr
[i
- 1].extra_flags
);
1427 pandecode_log("}, \n");
1432 pandecode_log("\n");
1436 pandecode_shader_address(const char *name
, mali_ptr ptr
)
1438 /* TODO: Decode flags */
1439 mali_ptr shader_ptr
= ptr
& ~15;
1441 char *a
= pointer_as_memory_reference(shader_ptr
);
1442 pandecode_prop("%s = (%s) | %d", name
, a
, (int) (ptr
& 15));
1449 pandecode_stencil(const char *name
, const struct mali_stencil_test
*stencil
)
1451 unsigned any_nonzero
=
1452 stencil
->ref
| stencil
->mask
| stencil
->func
|
1453 stencil
->sfail
| stencil
->dpfail
| stencil
->dppass
;
1455 if (any_nonzero
== 0)
1458 const char *func
= pandecode_func(stencil
->func
);
1459 const char *sfail
= pandecode_stencil_op(stencil
->sfail
);
1460 const char *dpfail
= pandecode_stencil_op(stencil
->dpfail
);
1461 const char *dppass
= pandecode_stencil_op(stencil
->dppass
);
1464 pandecode_msg("XXX: stencil zero tripped: %X\n", stencil
->zero
);
1466 pandecode_log(".stencil_%s = {\n", name
);
1468 pandecode_prop("ref = %d", stencil
->ref
);
1469 pandecode_prop("mask = 0x%02X", stencil
->mask
);
1470 pandecode_prop("func = %s", func
);
1471 pandecode_prop("sfail = %s", sfail
);
1472 pandecode_prop("dpfail = %s", dpfail
);
1473 pandecode_prop("dppass = %s", dppass
);
1475 pandecode_log("},\n");
1479 pandecode_blend_equation(const struct mali_blend_equation
*blend
)
1482 pandecode_msg("XXX: blend zero tripped: %X\n", blend
->zero1
);
1484 pandecode_log(".equation = {\n");
1487 pandecode_prop("rgb_mode = 0x%X", blend
->rgb_mode
);
1488 pandecode_prop("alpha_mode = 0x%X", blend
->alpha_mode
);
1490 pandecode_log(".color_mask = ");
1491 pandecode_log_decoded_flags(mask_flag_info
, blend
->color_mask
);
1492 pandecode_log_cont(",\n");
1495 pandecode_log("},\n");
1498 /* Decodes a Bifrost blend constant. See the notes in bifrost_blend_rt */
1501 decode_bifrost_constant(u16 constant
)
1503 float lo
= (float) (constant
& 0xFF);
1504 float hi
= (float) (constant
>> 8);
1506 return (hi
/ 255.0) + (lo
/ 65535.0);
1510 pandecode_bifrost_blend(void *descs
, int job_no
, int rt_no
)
1512 struct bifrost_blend_rt
*b
=
1513 ((struct bifrost_blend_rt
*) descs
) + rt_no
;
1515 pandecode_log("struct bifrost_blend_rt blend_rt_%d_%d = {\n", job_no
, rt_no
);
1518 pandecode_prop("flags = 0x%" PRIx16
, b
->flags
);
1519 pandecode_prop("constant = 0x%" PRIx8
" /* %f */",
1520 b
->constant
, decode_bifrost_constant(b
->constant
));
1522 /* TODO figure out blend shader enable bit */
1523 pandecode_blend_equation(&b
->equation
);
1524 pandecode_prop("unk2 = 0x%" PRIx16
, b
->unk2
);
1525 pandecode_prop("index = 0x%" PRIx16
, b
->index
);
1526 pandecode_prop("shader = 0x%" PRIx32
, b
->shader
);
1529 pandecode_log("},\n");
1535 pandecode_midgard_blend(union midgard_blend
*blend
, bool is_shader
)
1537 /* constant/equation is in a union */
1541 pandecode_log(".blend = {\n");
1545 pandecode_shader_address("shader", blend
->shader
);
1547 pandecode_blend_equation(&blend
->equation
);
1548 pandecode_prop("constant = %f", blend
->constant
);
1552 pandecode_log("},\n");
1554 /* Return blend shader to disassemble if present */
1555 return is_shader
? (blend
->shader
& ~0xF) : 0;
1559 pandecode_midgard_blend_mrt(void *descs
, int job_no
, int rt_no
)
1561 struct midgard_blend_rt
*b
=
1562 ((struct midgard_blend_rt
*) descs
) + rt_no
;
1564 /* Flags determine presence of blend shader */
1565 bool is_shader
= (b
->flags
& 0xF) >= 0x2;
1567 pandecode_log("struct midgard_blend_rt blend_rt_%d_%d = {\n", job_no
, rt_no
);
1570 pandecode_prop("flags = 0x%" PRIx64
, b
->flags
);
1572 union midgard_blend blend
= b
->blend
;
1573 mali_ptr shader
= pandecode_midgard_blend(&blend
, is_shader
);
1576 pandecode_log("};\n");
1581 /* Attributes and varyings have descriptor records, which contain information
1582 * about their format and ordering with the attribute/varying buffers. We'll
1583 * want to validate that the combinations specified are self-consistent.
1587 pandecode_attribute_meta(int job_no
, int count
, const struct mali_vertex_tiler_postfix
*v
, bool varying
, char *suffix
)
1590 char *prefix
= varying
? "varying" : "attribute";
1591 unsigned max_index
= 0;
1592 snprintf(base
, sizeof(base
), "%s_meta", prefix
);
1594 struct mali_attr_meta
*attr_meta
;
1595 mali_ptr p
= varying
? v
->varying_meta
: v
->attribute_meta
;
1597 struct pandecode_mapped_memory
*attr_mem
= pandecode_find_mapped_gpu_mem_containing(p
);
1599 for (int i
= 0; i
< count
; ++i
, p
+= sizeof(struct mali_attr_meta
)) {
1600 attr_meta
= pandecode_fetch_gpu_mem(attr_mem
, p
,
1603 /* If the record is discard, it should be zero for everything else */
1605 if (attr_meta
->format
== MALI_VARYING_DISCARD
) {
1608 attr_meta
->unknown1
|
1609 attr_meta
->unknown3
|
1610 attr_meta
->src_offset
;
1613 pandecode_msg("XXX: expected empty record for varying discard\n");
1615 /* We want to look for a literal 0000 swizzle -- this
1616 * is not encoded with all zeroes, however */
1618 enum mali_channel z
= MALI_CHANNEL_ZERO
;
1619 unsigned zero_swizzle
= z
| (z
<< 3) | (z
<< 6) | (z
<< 9);
1620 bool good_swizzle
= attr_meta
->swizzle
== zero_swizzle
;
1623 pandecode_msg("XXX: expected zero swizzle for discard\n");
1626 pandecode_msg("XXX: cannot discard attribute\n");
1628 /* If we're all good, omit the record */
1629 if (!zero
&& varying
&& good_swizzle
) {
1630 pandecode_log("/* discarded varying */\n");
1635 if (attr_meta
->index
> max_index
)
1636 max_index
= attr_meta
->index
;
1638 if (attr_meta
->unknown1
!= 0x2) {
1639 pandecode_msg("XXX: expected unknown1 = 0x2\n");
1640 pandecode_prop("unknown1 = 0x%" PRIx64
, (u64
) attr_meta
->unknown1
);
1643 if (attr_meta
->unknown3
) {
1644 pandecode_msg("XXX: unexpected unknown3 set\n");
1645 pandecode_prop("unknown3 = 0x%" PRIx64
, (u64
) attr_meta
->unknown3
);
1648 pandecode_format_short(attr_meta
->format
, false);
1649 pandecode_log_cont(" %s_%u", prefix
, attr_meta
->index
);
1651 if (attr_meta
->src_offset
)
1652 pandecode_log_cont("[%u]", attr_meta
->src_offset
);
1654 pandecode_swizzle(attr_meta
->swizzle
, attr_meta
->format
);
1656 pandecode_log_cont(";\n");
1659 pandecode_log("\n");
1661 return count
? (max_index
+ 1) : 0;
1664 /* return bits [lo, hi) of word */
1666 bits(u32 word
, u32 lo
, u32 hi
)
1669 return word
; // avoid undefined behavior with the shift
1671 return (word
>> lo
) & ((1 << (hi
- lo
)) - 1);
1675 pandecode_vertex_tiler_prefix(struct mali_vertex_tiler_prefix
*p
, int job_no
, bool graphics
)
1677 pandecode_log_cont("{\n");
1680 /* Decode invocation_count. See the comment before the definition of
1681 * invocation_count for an explanation.
1684 unsigned size_y_shift
= bits(p
->invocation_shifts
, 0, 5);
1685 unsigned size_z_shift
= bits(p
->invocation_shifts
, 5, 10);
1686 unsigned workgroups_x_shift
= bits(p
->invocation_shifts
, 10, 16);
1687 unsigned workgroups_y_shift
= bits(p
->invocation_shifts
, 16, 22);
1688 unsigned workgroups_z_shift
= bits(p
->invocation_shifts
, 22, 28);
1689 unsigned workgroups_x_shift_2
= bits(p
->invocation_shifts
, 28, 32);
1691 unsigned size_x
= bits(p
->invocation_count
, 0, size_y_shift
) + 1;
1692 unsigned size_y
= bits(p
->invocation_count
, size_y_shift
, size_z_shift
) + 1;
1693 unsigned size_z
= bits(p
->invocation_count
, size_z_shift
, workgroups_x_shift
) + 1;
1695 unsigned groups_x
= bits(p
->invocation_count
, workgroups_x_shift
, workgroups_y_shift
) + 1;
1696 unsigned groups_y
= bits(p
->invocation_count
, workgroups_y_shift
, workgroups_z_shift
) + 1;
1697 unsigned groups_z
= bits(p
->invocation_count
, workgroups_z_shift
, 32) + 1;
1699 /* Even though we have this decoded, we want to ensure that the
1700 * representation is "unique" so we don't lose anything by printing only
1701 * the final result. More specifically, we need to check that we were
1702 * passed something in canonical form, since the definition per the
1703 * hardware is inherently not unique. How? Well, take the resulting
1704 * decode and pack it ourselves! If it is bit exact with what we
1705 * decoded, we're good to go. */
1707 struct mali_vertex_tiler_prefix ref
;
1708 panfrost_pack_work_groups_compute(&ref
, groups_x
, groups_y
, groups_z
, size_x
, size_y
, size_z
, graphics
);
1711 (p
->invocation_count
== ref
.invocation_count
) &&
1712 (p
->invocation_shifts
== ref
.invocation_shifts
);
1715 pandecode_msg("XXX: non-canonical workgroups packing\n");
1716 pandecode_msg("expected: %X, %X",
1717 ref
.invocation_count
,
1718 ref
.invocation_shifts
);
1720 pandecode_prop("invocation_count = 0x%" PRIx32
, p
->invocation_count
);
1721 pandecode_prop("size_y_shift = %d", size_y_shift
);
1722 pandecode_prop("size_z_shift = %d", size_z_shift
);
1723 pandecode_prop("workgroups_x_shift = %d", workgroups_x_shift
);
1724 pandecode_prop("workgroups_y_shift = %d", workgroups_y_shift
);
1725 pandecode_prop("workgroups_z_shift = %d", workgroups_z_shift
);
1726 pandecode_prop("workgroups_x_shift_2 = %d", workgroups_x_shift_2
);
1729 /* Regardless, print the decode */
1730 pandecode_msg("size (%d, %d, %d), count (%d, %d, %d)\n",
1731 size_x
, size_y
, size_z
,
1732 groups_x
, groups_y
, groups_z
);
1735 if (p
->unknown_draw
)
1736 pandecode_prop("unknown_draw = 0x%" PRIx32
, p
->unknown_draw
);
1738 pandecode_prop("workgroups_x_shift_3 = 0x%" PRIx32
, p
->workgroups_x_shift_3
);
1740 if (p
->draw_mode
!= MALI_DRAW_NONE
)
1741 pandecode_prop("draw_mode = %s", pandecode_draw_mode(p
->draw_mode
));
1743 /* Index count only exists for tiler jobs anyway */
1746 pandecode_prop("index_count = MALI_POSITIVE(%" PRId32
")", p
->index_count
+ 1);
1749 unsigned index_raw_size
= (p
->unknown_draw
& MALI_DRAW_INDEXED_SIZE
);
1750 index_raw_size
>>= MALI_DRAW_INDEXED_SHIFT
;
1752 /* Validate an index buffer is present if we need one. TODO: verify
1753 * relationship between invocation_count and index_count */
1756 unsigned count
= p
->index_count
;
1759 unsigned size
= (index_raw_size
== 0x3) ? 4 : index_raw_size
;
1761 /* Ensure we got a size, and if so, validate the index buffer
1762 * is large enough to hold a full set of indices of the given
1765 if (!index_raw_size
)
1766 pandecode_msg("XXX: index size missing\n");
1768 pandecode_validate_buffer(p
->indices
, count
* size
);
1769 } else if (index_raw_size
)
1770 pandecode_msg("XXX: unexpected index size %u\n", index_raw_size
);
1772 if (p
->offset_bias_correction
)
1773 pandecode_prop("offset_bias_correction = %d", p
->offset_bias_correction
);
1775 /* TODO: Figure out what this is. It's not zero */
1776 pandecode_prop("zero1 = 0x%" PRIx32
, p
->zero1
);
1779 pandecode_log("},\n");
1783 pandecode_uniform_buffers(mali_ptr pubufs
, int ubufs_count
, int job_no
)
1785 struct pandecode_mapped_memory
*umem
= pandecode_find_mapped_gpu_mem_containing(pubufs
);
1786 uint64_t *PANDECODE_PTR_VAR(ubufs
, umem
, pubufs
);
1788 for (int i
= 0; i
< ubufs_count
; i
++) {
1789 unsigned size
= (ubufs
[i
] & ((1 << 10) - 1)) * 16;
1790 mali_ptr addr
= (ubufs
[i
] >> 10) << 2;
1792 pandecode_validate_buffer(addr
, size
);
1794 char *ptr
= pointer_as_memory_reference(addr
);
1795 pandecode_log("ubuf_%d[%u] = %s;\n", i
, size
, ptr
);
1799 pandecode_log("\n");
1803 pandecode_uniforms(mali_ptr uniforms
, unsigned uniform_count
)
1805 pandecode_validate_buffer(uniforms
, uniform_count
* 16);
1807 char *ptr
= pointer_as_memory_reference(uniforms
);
1808 pandecode_log("vec4 uniforms[%u] = %s;\n", uniform_count
, ptr
);
1813 shader_type_for_job(unsigned type
)
1816 case JOB_TYPE_VERTEX
: return "VERTEX";
1817 case JOB_TYPE_TILER
: return "FRAGMENT";
1818 case JOB_TYPE_COMPUTE
: return "COMPUTE";
1824 static unsigned shader_id
= 0;
1826 static struct midgard_disasm_stats
1827 pandecode_shader_disassemble(mali_ptr shader_ptr
, int shader_no
, int type
,
1828 bool is_bifrost
, unsigned gpu_id
)
1830 struct pandecode_mapped_memory
*mem
= pandecode_find_mapped_gpu_mem_containing(shader_ptr
);
1831 uint8_t *PANDECODE_PTR_VAR(code
, mem
, shader_ptr
);
1833 /* Compute maximum possible size */
1834 size_t sz
= mem
->length
- (shader_ptr
- mem
->gpu_va
);
1836 /* Print some boilerplate to clearly denote the assembly (which doesn't
1837 * obey indentation rules), and actually do the disassembly! */
1839 pandecode_log_cont("\n\n");
1841 struct midgard_disasm_stats stats
;
1844 disassemble_bifrost(pandecode_dump_stream
, code
, sz
, false);
1846 /* TODO: Extend stats to Bifrost */
1847 stats
.texture_count
= -128;
1848 stats
.sampler_count
= -128;
1849 stats
.attribute_count
= -128;
1850 stats
.varying_count
= -128;
1851 stats
.uniform_count
= -128;
1852 stats
.uniform_buffer_count
= -128;
1853 stats
.work_count
= -128;
1855 stats
.instruction_count
= 0;
1856 stats
.bundle_count
= 0;
1857 stats
.quadword_count
= 0;
1858 stats
.helper_invocations
= false;
1860 stats
= disassemble_midgard(pandecode_dump_stream
,
1862 type
== JOB_TYPE_TILER
?
1863 MESA_SHADER_FRAGMENT
: MESA_SHADER_VERTEX
);
1866 /* Print shader-db stats. Skip COMPUTE jobs since they are used for
1867 * driver-internal purposes with the blob and interfere */
1869 bool should_shaderdb
= type
!= JOB_TYPE_COMPUTE
;
1871 if (should_shaderdb
) {
1872 unsigned nr_threads
=
1873 (stats
.work_count
<= 4) ? 4 :
1874 (stats
.work_count
<= 8) ? 2 :
1877 pandecode_log_cont("shader%d - MESA_SHADER_%s shader: "
1878 "%u inst, %u bundles, %u quadwords, "
1879 "%u registers, %u threads, 0 loops, 0:0 spills:fills\n\n\n",
1881 shader_type_for_job(type
),
1882 stats
.instruction_count
, stats
.bundle_count
, stats
.quadword_count
,
1883 stats
.work_count
, nr_threads
);
1891 pandecode_texture(mali_ptr u
,
1892 struct pandecode_mapped_memory
*tmem
,
1893 unsigned job_no
, unsigned tex
)
1895 struct mali_texture_descriptor
*PANDECODE_PTR_VAR(t
, tmem
, u
);
1897 pandecode_log("struct mali_texture_descriptor texture_descriptor_%"PRIx64
"_%d_%d = {\n", u
, job_no
, tex
);
1900 struct mali_texture_format f
= t
->format
;
1902 /* See the definiton of enum mali_texture_type */
1904 bool is_cube
= f
.type
== MALI_TEX_CUBE
;
1905 unsigned dimension
= is_cube
? 2 : f
.type
;
1907 pandecode_make_indent();
1909 /* TODO: Are there others? */
1910 bool is_zs
= f
.format
== MALI_Z32_UNORM
;
1912 /* Recall Z/S switched the meaning of linear/tiled .. */
1913 if (is_zs
&& f
.layout
== MALI_TEXTURE_LINEAR
)
1914 pandecode_msg("XXX: depth/stencil cannot be tiled\n");
1916 /* Print the layout. Default is linear; a modifier can denote AFBC or
1917 * u-interleaved/tiled modes */
1919 if (f
.layout
== MALI_TEXTURE_AFBC
)
1920 pandecode_log_cont("afbc");
1921 else if (f
.layout
== MALI_TEXTURE_TILED
)
1922 pandecode_log_cont("tiled");
1923 else if (f
.layout
== MALI_TEXTURE_LINEAR
)
1924 pandecode_log_cont("linear");
1926 pandecode_msg("XXX: invalid texture layout 0x%X\n", f
.layout
);
1928 pandecode_swizzle(t
->swizzle
, f
.format
);
1929 pandecode_log_cont(" ");
1931 /* Distinguish cube/2D with modifier */
1934 pandecode_log_cont("cube ");
1936 pandecode_format_short(f
.format
, f
.srgb
);
1937 pandecode_swizzle(f
.swizzle
, f
.format
);
1939 /* All four width/height/depth/array_size dimensions are present
1940 * regardless of the type of texture, but it is an error to have
1941 * non-zero dimensions for unused dimensions. Verify this. array_size
1942 * can always be set, as can width. */
1944 if (t
->height
&& dimension
< 2)
1945 pandecode_msg("XXX: nonzero height for <2D texture\n");
1947 if (t
->depth
&& dimension
< 3)
1948 pandecode_msg("XXX: nonzero depth for <2D texture\n");
1950 /* Print only the dimensions that are actually there */
1952 pandecode_log_cont(": %d", t
->width
+ 1);
1955 pandecode_log_cont("x%u", t
->height
+ 1);
1958 pandecode_log_cont("x%u", t
->depth
+ 1);
1961 pandecode_log_cont("[%u]", t
->array_size
+ 1);
1964 pandecode_log_cont(" mip %u", t
->levels
);
1966 pandecode_log_cont("\n");
1968 if (f
.unknown1
| f
.zero
) {
1969 pandecode_msg("XXX: texture format zero tripped\n");
1970 pandecode_prop("unknown1 = %" PRId32
, f
.unknown1
);
1971 pandecode_prop("zero = %" PRId32
, f
.zero
);
1975 pandecode_msg("XXX: expected unknown texture bit set\n");
1976 pandecode_prop("unknown2 = %" PRId32
, f
.unknown2
);
1979 if (t
->swizzle_zero
) {
1980 pandecode_msg("XXX: swizzle zero tripped\n");
1981 pandecode_prop("swizzle_zero = %d", t
->swizzle_zero
);
1984 if (t
->unknown3
| t
->unknown3A
| t
->unknown5
| t
->unknown6
| t
->unknown7
) {
1985 pandecode_msg("XXX: texture zero tripped\n");
1986 pandecode_prop("unknown3 = %" PRId16
, t
->unknown3
);
1987 pandecode_prop("unknown3A = %" PRId8
, t
->unknown3A
);
1988 pandecode_prop("unknown5 = 0x%" PRIx32
, t
->unknown5
);
1989 pandecode_prop("unknown6 = 0x%" PRIx32
, t
->unknown6
);
1990 pandecode_prop("unknown7 = 0x%" PRIx32
, t
->unknown7
);
1993 pandecode_log(".payload = {\n");
1996 /* A bunch of bitmap pointers follow.
1997 * We work out the correct number,
1998 * based on the mipmap/cubemap
1999 * properties, but dump extra
2000 * possibilities to futureproof */
2002 int bitmap_count
= t
->levels
+ 1;
2004 /* Miptree for each face */
2005 if (f
.type
== MALI_TEX_CUBE
)
2007 else if (f
.type
== MALI_TEX_3D
&& f
.layout
== MALI_TEXTURE_LINEAR
)
2008 bitmap_count
*= (t
->depth
+ 1);
2010 /* Array of textures */
2011 bitmap_count
*= (t
->array_size
+ 1);
2013 /* Stride for each element */
2014 if (f
.manual_stride
)
2017 mali_ptr
*pointers_and_strides
= pandecode_fetch_gpu_mem(tmem
,
2018 u
+ sizeof(*t
), sizeof(mali_ptr
) * bitmap_count
);
2019 for (int i
= 0; i
< bitmap_count
; ++i
) {
2020 /* How we dump depends if this is a stride or a pointer */
2022 if (f
.manual_stride
&& (i
& 1)) {
2023 /* signed 32-bit snuck in as a 64-bit pointer */
2024 uint64_t stride_set
= pointers_and_strides
[i
];
2025 uint32_t clamped_stride
= stride_set
;
2026 int32_t stride
= clamped_stride
;
2027 assert(stride_set
== clamped_stride
);
2028 pandecode_log("(mali_ptr) %d /* stride */, \n", stride
);
2030 char *a
= pointer_as_memory_reference(pointers_and_strides
[i
]);
2031 pandecode_log("%s, \n", a
);
2037 pandecode_log("},\n");
2040 pandecode_log("};\n");
2043 /* 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 */
2046 pandecode_shader_prop(const char *name
, unsigned claim
, signed truth
, bool fuzzy
)
2055 if ((truth
>= 0) && !fuzzy
) {
2056 pandecode_msg("%s: expected %s = %d, claimed %u\n",
2057 (truth
< claim
) ? "warn" : "XXX",
2058 name
, truth
, claim
);
2059 } else if ((claim
> -truth
) && !fuzzy
) {
2060 pandecode_msg("XXX: expected %s <= %u, claimed %u\n",
2061 name
, -truth
, claim
);
2062 } else if (fuzzy
&& (claim
< truth
))
2063 pandecode_msg("XXX: expected %s >= %u, claimed %u\n",
2064 name
, truth
, claim
);
2066 pandecode_log(".%s = %" PRId16
, name
, claim
);
2069 pandecode_log_cont(" /* %u used */", truth
);
2071 pandecode_log_cont(",\n");
2075 pandecode_blend_shader_disassemble(mali_ptr shader
, int job_no
, int job_type
,
2076 bool is_bifrost
, unsigned gpu_id
)
2078 struct midgard_disasm_stats stats
=
2079 pandecode_shader_disassemble(shader
, job_no
, job_type
, is_bifrost
, gpu_id
);
2081 bool has_texture
= (stats
.texture_count
> 0);
2082 bool has_sampler
= (stats
.sampler_count
> 0);
2083 bool has_attribute
= (stats
.attribute_count
> 0);
2084 bool has_varying
= (stats
.varying_count
> 0);
2085 bool has_uniform
= (stats
.uniform_count
> 0);
2086 bool has_ubo
= (stats
.uniform_buffer_count
> 0);
2088 if (has_texture
|| has_sampler
)
2089 pandecode_msg("XXX: blend shader accessing textures\n");
2091 if (has_attribute
|| has_varying
)
2092 pandecode_msg("XXX: blend shader accessing interstage\n");
2094 if (has_uniform
|| has_ubo
)
2095 pandecode_msg("XXX: blend shader accessing uniforms\n");
2099 pandecode_vertex_tiler_postfix_pre(
2100 const struct mali_vertex_tiler_postfix
*p
,
2101 int job_no
, enum mali_job_type job_type
,
2102 char *suffix
, bool is_bifrost
, unsigned gpu_id
)
2104 struct pandecode_mapped_memory
*attr_mem
;
2106 /* On Bifrost, since the tiler heap (for tiler jobs) and the scratchpad
2107 * are the only things actually needed from the FBD, vertex/tiler jobs
2108 * no longer reference the FBD -- instead, this field points to some
2109 * info about the scratchpad.
2112 struct pandecode_fbd fbd_info
= {
2113 /* Default for Bifrost */
2118 pandecode_log_cont("\t/* %X %/\n", p
->shared_memory
& 1);
2119 pandecode_compute_fbd(p
->shared_memory
& ~1, job_no
);
2120 } else if (p
->shared_memory
& MALI_MFBD
)
2121 fbd_info
= pandecode_mfbd_bfr((u64
) ((uintptr_t) p
->shared_memory
) & FBD_MASK
, job_no
, false, job_type
== JOB_TYPE_COMPUTE
);
2122 else if (job_type
== JOB_TYPE_COMPUTE
)
2123 pandecode_compute_fbd((u64
) (uintptr_t) p
->shared_memory
, job_no
);
2125 fbd_info
= pandecode_sfbd((u64
) (uintptr_t) p
->shared_memory
, job_no
, false, gpu_id
);
2127 int varying_count
= 0, attribute_count
= 0, uniform_count
= 0, uniform_buffer_count
= 0;
2128 int texture_count
= 0, sampler_count
= 0;
2131 struct pandecode_mapped_memory
*smem
= pandecode_find_mapped_gpu_mem_containing(p
->shader
);
2132 struct mali_shader_meta
*PANDECODE_PTR_VAR(s
, smem
, p
->shader
);
2134 /* Disassemble ahead-of-time to get stats. Initialize with
2135 * stats for the missing-shader case so we get validation
2138 struct midgard_disasm_stats info
= {
2141 .attribute_count
= 0,
2145 .uniform_count
= -128,
2146 .uniform_buffer_count
= 0
2149 if (s
->shader
& ~0xF)
2150 info
= pandecode_shader_disassemble(s
->shader
& ~0xF, job_no
, job_type
, is_bifrost
, gpu_id
);
2152 pandecode_log("struct mali_shader_meta shader_meta_%"PRIx64
"_%d%s = {\n", p
->shader
, job_no
, suffix
);
2155 /* Save for dumps */
2156 attribute_count
= s
->attribute_count
;
2157 varying_count
= s
->varying_count
;
2158 texture_count
= s
->texture_count
;
2159 sampler_count
= s
->sampler_count
;
2162 uniform_count
= s
->bifrost2
.uniform_count
;
2163 uniform_buffer_count
= s
->bifrost1
.uniform_buffer_count
;
2165 uniform_count
= s
->midgard1
.uniform_count
;
2166 uniform_buffer_count
= s
->midgard1
.uniform_buffer_count
;
2169 pandecode_shader_address("shader", s
->shader
);
2171 pandecode_shader_prop("texture_count", s
->texture_count
, info
.texture_count
, false);
2172 pandecode_shader_prop("sampler_count", s
->sampler_count
, info
.sampler_count
, false);
2173 pandecode_shader_prop("attribute_count", s
->attribute_count
, info
.attribute_count
, false);
2174 pandecode_shader_prop("varying_count", s
->varying_count
, info
.varying_count
, false);
2175 pandecode_shader_prop("uniform_buffer_count",
2176 uniform_buffer_count
,
2177 info
.uniform_buffer_count
, true);
2180 pandecode_shader_prop("uniform_count",
2182 info
.uniform_count
, false);
2184 pandecode_shader_prop("work_count",
2185 s
->midgard1
.work_count
, info
.work_count
, false);
2189 pandecode_prop("bifrost1.unk1 = 0x%" PRIx32
, s
->bifrost1
.unk1
);
2191 bool helpers
= s
->midgard1
.flags_lo
& MALI_HELPER_INVOCATIONS
;
2192 s
->midgard1
.flags_lo
&= ~MALI_HELPER_INVOCATIONS
;
2194 if (helpers
!= info
.helper_invocations
) {
2195 pandecode_msg("XXX: expected helpers %u but got %u\n",
2196 info
.helper_invocations
, helpers
);
2199 pandecode_log(".midgard1.flags_lo = ");
2200 pandecode_log_decoded_flags(shader_midgard1_flag_lo_info
, s
->midgard1
.flags_lo
);
2201 pandecode_log_cont(",\n");
2203 pandecode_log(".midgard1.flags_hi = ");
2204 pandecode_log_decoded_flags(shader_midgard1_flag_hi_info
, s
->midgard1
.flags_hi
);
2205 pandecode_log_cont(",\n");
2208 if (s
->depth_units
|| s
->depth_factor
) {
2209 pandecode_prop("depth_factor = %f", s
->depth_factor
);
2210 pandecode_prop("depth_units = %f", s
->depth_units
);
2213 if (s
->alpha_coverage
) {
2214 bool invert_alpha_coverage
= s
->alpha_coverage
& 0xFFF0;
2215 uint16_t inverted_coverage
= invert_alpha_coverage
? ~s
->alpha_coverage
: s
->alpha_coverage
;
2217 pandecode_prop("alpha_coverage = %sMALI_ALPHA_COVERAGE(%f)",
2218 invert_alpha_coverage
? "~" : "",
2219 MALI_GET_ALPHA_COVERAGE(inverted_coverage
));
2222 if (s
->unknown2_3
|| s
->unknown2_4
) {
2223 pandecode_log(".unknown2_3 = ");
2225 int unknown2_3
= s
->unknown2_3
;
2226 int unknown2_4
= s
->unknown2_4
;
2228 /* We're not quite sure what these flags mean without the depth test, if anything */
2230 if (unknown2_3
& (MALI_DEPTH_WRITEMASK
| MALI_DEPTH_FUNC_MASK
)) {
2231 const char *func
= pandecode_func(MALI_GET_DEPTH_FUNC(unknown2_3
));
2232 unknown2_3
&= ~MALI_DEPTH_FUNC_MASK
;
2234 pandecode_log_cont("MALI_DEPTH_FUNC(%s) | ", func
);
2237 pandecode_log_decoded_flags(u3_flag_info
, unknown2_3
);
2238 pandecode_log_cont(",\n");
2240 pandecode_log(".unknown2_4 = ");
2241 pandecode_log_decoded_flags(u4_flag_info
, unknown2_4
);
2242 pandecode_log_cont(",\n");
2245 if (s
->stencil_mask_front
|| s
->stencil_mask_back
) {
2246 pandecode_prop("stencil_mask_front = 0x%02X", s
->stencil_mask_front
);
2247 pandecode_prop("stencil_mask_back = 0x%02X", s
->stencil_mask_back
);
2250 pandecode_stencil("front", &s
->stencil_front
);
2251 pandecode_stencil("back", &s
->stencil_back
);
2254 pandecode_log(".bifrost2 = {\n");
2257 pandecode_prop("unk3 = 0x%" PRIx32
, s
->bifrost2
.unk3
);
2258 pandecode_prop("preload_regs = 0x%" PRIx32
, s
->bifrost2
.preload_regs
);
2259 pandecode_prop("uniform_count = %" PRId32
, s
->bifrost2
.uniform_count
);
2260 pandecode_prop("unk4 = 0x%" PRIx32
, s
->bifrost2
.unk4
);
2263 pandecode_log("},\n");
2264 } else if (s
->midgard2
.unknown2_7
) {
2265 pandecode_log(".midgard2 = {\n");
2268 pandecode_prop("unknown2_7 = 0x%" PRIx32
, s
->midgard2
.unknown2_7
);
2270 pandecode_log("},\n");
2274 pandecode_msg("XXX: shader padding tripped\n");
2275 pandecode_prop("padding = 0x%" PRIx32
, s
->padding
);
2279 /* TODO: Blend shaders routing/disasm */
2280 union midgard_blend blend
= s
->blend
;
2281 mali_ptr shader
= pandecode_midgard_blend(&blend
, s
->unknown2_3
& MALI_HAS_BLEND_SHADER
);
2283 pandecode_blend_shader_disassemble(shader
, job_no
, job_type
, false, gpu_id
);
2287 pandecode_log("};\n");
2289 /* MRT blend fields are used whenever MFBD is used, with
2290 * per-RT descriptors */
2292 if (job_type
== JOB_TYPE_TILER
&& p
->shared_memory
& MALI_MFBD
) {
2293 void* blend_base
= (void *) (s
+ 1);
2295 for (unsigned i
= 0; i
< fbd_info
.rt_count
; i
++) {
2296 mali_ptr shader
= 0;
2299 shader
= pandecode_bifrost_blend(blend_base
, job_no
, i
);
2301 shader
= pandecode_midgard_blend_mrt(blend_base
, job_no
, i
);
2304 pandecode_blend_shader_disassemble(shader
, job_no
, job_type
, false, gpu_id
);
2309 pandecode_msg("XXX: missing shader descriptor\n");
2312 struct pandecode_mapped_memory
*fmem
= pandecode_find_mapped_gpu_mem_containing(p
->viewport
);
2313 struct mali_viewport
*PANDECODE_PTR_VAR(f
, fmem
, p
->viewport
);
2315 pandecode_log("struct mali_viewport viewport_%"PRIx64
"_%d%s = {\n", p
->viewport
, job_no
, suffix
);
2318 pandecode_prop("clip_minx = %f", f
->clip_minx
);
2319 pandecode_prop("clip_miny = %f", f
->clip_miny
);
2320 pandecode_prop("clip_minz = %f", f
->clip_minz
);
2321 pandecode_prop("clip_maxx = %f", f
->clip_maxx
);
2322 pandecode_prop("clip_maxy = %f", f
->clip_maxy
);
2323 pandecode_prop("clip_maxz = %f", f
->clip_maxz
);
2325 /* Only the higher coordinates are MALI_POSITIVE scaled */
2327 pandecode_prop("viewport0 = { %d, %d }",
2328 f
->viewport0
[0], f
->viewport0
[1]);
2330 pandecode_prop("viewport1 = { MALI_POSITIVE(%d), MALI_POSITIVE(%d) }",
2331 f
->viewport1
[0] + 1, f
->viewport1
[1] + 1);
2334 pandecode_log("};\n");
2337 unsigned max_attr_index
= 0;
2339 if (p
->attribute_meta
)
2340 max_attr_index
= pandecode_attribute_meta(job_no
, attribute_count
, p
, false, suffix
);
2342 if (p
->attributes
) {
2343 attr_mem
= pandecode_find_mapped_gpu_mem_containing(p
->attributes
);
2344 pandecode_attributes(attr_mem
, p
->attributes
, job_no
, suffix
, max_attr_index
, false, job_type
);
2347 /* Varyings are encoded like attributes but not actually sent; we just
2348 * pass a zero buffer with the right stride/size set, (or whatever)
2349 * since the GPU will write to it itself */
2351 if (p
->varying_meta
) {
2352 varying_count
= pandecode_attribute_meta(job_no
, varying_count
, p
, true, suffix
);
2356 attr_mem
= pandecode_find_mapped_gpu_mem_containing(p
->varyings
);
2358 /* Number of descriptors depends on whether there are
2359 * non-internal varyings */
2361 pandecode_attributes(attr_mem
, p
->varyings
, job_no
, suffix
, varying_count
, true, job_type
);
2364 if (p
->uniform_buffers
) {
2365 if (uniform_buffer_count
)
2366 pandecode_uniform_buffers(p
->uniform_buffers
, uniform_buffer_count
, job_no
);
2368 pandecode_msg("warn: UBOs specified but not referenced\n");
2369 } else if (uniform_buffer_count
)
2370 pandecode_msg("XXX: UBOs referenced but not specified\n");
2372 /* We don't want to actually dump uniforms, but we do need to validate
2373 * that the counts we were given are sane */
2377 pandecode_uniforms(p
->uniforms
, uniform_count
);
2379 pandecode_msg("warn: Uniforms specified but not referenced\n");
2380 } else if (uniform_count
)
2381 pandecode_msg("XXX: Uniforms referenced but not specified\n");
2383 if (p
->texture_trampoline
) {
2384 struct pandecode_mapped_memory
*mmem
= pandecode_find_mapped_gpu_mem_containing(p
->texture_trampoline
);
2387 mali_ptr
*PANDECODE_PTR_VAR(u
, mmem
, p
->texture_trampoline
);
2389 pandecode_log("uint64_t texture_trampoline_%"PRIx64
"_%d[] = {\n", p
->texture_trampoline
, job_no
);
2392 for (int tex
= 0; tex
< texture_count
; ++tex
) {
2393 mali_ptr
*PANDECODE_PTR_VAR(u
, mmem
, p
->texture_trampoline
+ tex
* sizeof(mali_ptr
));
2394 char *a
= pointer_as_memory_reference(*u
);
2395 pandecode_log("%s,\n", a
);
2400 pandecode_log("};\n");
2402 /* Now, finally, descend down into the texture descriptor */
2403 for (unsigned tex
= 0; tex
< texture_count
; ++tex
) {
2404 mali_ptr
*PANDECODE_PTR_VAR(u
, mmem
, p
->texture_trampoline
+ tex
* sizeof(mali_ptr
));
2405 struct pandecode_mapped_memory
*tmem
= pandecode_find_mapped_gpu_mem_containing(*u
);
2407 pandecode_texture(*u
, tmem
, job_no
, tex
);
2412 if (p
->sampler_descriptor
) {
2413 struct pandecode_mapped_memory
*smem
= pandecode_find_mapped_gpu_mem_containing(p
->sampler_descriptor
);
2416 struct mali_sampler_descriptor
*s
;
2418 mali_ptr d
= p
->sampler_descriptor
;
2420 for (int i
= 0; i
< sampler_count
; ++i
) {
2421 s
= pandecode_fetch_gpu_mem(smem
, d
+ sizeof(*s
) * i
, sizeof(*s
));
2423 pandecode_log("struct mali_sampler_descriptor sampler_descriptor_%"PRIx64
"_%d_%d = {\n", d
+ sizeof(*s
) * i
, job_no
, i
);
2426 pandecode_log(".filter_mode = ");
2427 pandecode_log_decoded_flags(sampler_flag_info
, s
->filter_mode
);
2428 pandecode_log_cont(",\n");
2430 pandecode_prop("min_lod = FIXED_16(%f)", DECODE_FIXED_16(s
->min_lod
));
2431 pandecode_prop("max_lod = FIXED_16(%f)", DECODE_FIXED_16(s
->max_lod
));
2434 pandecode_prop("lod_bias = FIXED_16(%f)", DECODE_FIXED_16(s
->lod_bias
));
2436 pandecode_prop("wrap_s = %s", pandecode_wrap_mode(s
->wrap_s
));
2437 pandecode_prop("wrap_t = %s", pandecode_wrap_mode(s
->wrap_t
));
2438 pandecode_prop("wrap_r = %s", pandecode_wrap_mode(s
->wrap_r
));
2440 pandecode_prop("compare_func = %s", pandecode_func(s
->compare_func
));
2442 if (s
->zero
|| s
->zero2
) {
2443 pandecode_msg("XXX: sampler zero tripped\n");
2444 pandecode_prop("zero = 0x%X, 0x%X\n", s
->zero
, s
->zero2
);
2447 pandecode_prop("seamless_cube_map = %d", s
->seamless_cube_map
);
2449 pandecode_prop("border_color = { %f, %f, %f, %f }",
2453 s
->border_color
[3]);
2456 pandecode_log("};\n");
2463 pandecode_vertex_tiler_postfix(const struct mali_vertex_tiler_postfix
*p
, int job_no
, bool is_bifrost
)
2465 if (p
->shader
& 0xF)
2466 pandecode_msg("warn: shader tagged %X\n", (unsigned) (p
->shader
& 0xF));
2468 if (!(p
->position_varying
|| p
->occlusion_counter
))
2471 pandecode_log(".postfix = {\n");
2474 MEMORY_PROP(p
, position_varying
);
2475 MEMORY_PROP(p
, occlusion_counter
);
2478 pandecode_log("},\n");
2482 pandecode_vertex_only_bfr(struct bifrost_vertex_only
*v
)
2484 pandecode_log_cont("{\n");
2487 pandecode_prop("unk2 = 0x%x", v
->unk2
);
2489 if (v
->zero0
|| v
->zero1
) {
2490 pandecode_msg("XXX: vertex only zero tripped");
2491 pandecode_prop("zero0 = 0x%" PRIx32
, v
->zero0
);
2492 pandecode_prop("zero1 = 0x%" PRIx64
, v
->zero1
);
2496 pandecode_log("}\n");
2500 pandecode_tiler_heap_meta(mali_ptr gpu_va
, int job_no
)
2503 struct pandecode_mapped_memory
*mem
= pandecode_find_mapped_gpu_mem_containing(gpu_va
);
2504 const struct bifrost_tiler_heap_meta
*PANDECODE_PTR_VAR(h
, mem
, gpu_va
);
2506 pandecode_log("struct mali_tiler_heap_meta tiler_heap_meta_%d = {\n", job_no
);
2510 pandecode_msg("XXX: tiler heap zero tripped\n");
2511 pandecode_prop("zero = 0x%x", h
->zero
);
2514 for (int i
= 0; i
< 12; i
++) {
2515 if (h
->zeros
[i
] != 0) {
2516 pandecode_msg("XXX: tiler heap zero %d tripped, value %x\n",
2521 pandecode_prop("heap_size = 0x%x", h
->heap_size
);
2522 MEMORY_PROP(h
, tiler_heap_start
);
2523 MEMORY_PROP(h
, tiler_heap_free
);
2525 /* this might point to the beginning of another buffer, when it's
2526 * really the end of the tiler heap buffer, so we have to be careful
2527 * here. but for zero length, we need the same pointer.
2530 if (h
->tiler_heap_end
== h
->tiler_heap_start
) {
2531 MEMORY_PROP(h
, tiler_heap_start
);
2533 char *a
= pointer_as_memory_reference(h
->tiler_heap_end
- 1);
2534 pandecode_prop("tiler_heap_end = %s + 1", a
);
2539 pandecode_log("};\n");
2543 pandecode_tiler_meta(mali_ptr gpu_va
, int job_no
)
2545 struct pandecode_mapped_memory
*mem
= pandecode_find_mapped_gpu_mem_containing(gpu_va
);
2546 const struct bifrost_tiler_meta
*PANDECODE_PTR_VAR(t
, mem
, gpu_va
);
2548 pandecode_tiler_heap_meta(t
->tiler_heap_meta
, job_no
);
2550 pandecode_log("struct bifrost_tiler_meta tiler_meta_%d = {\n", job_no
);
2553 if (t
->zero0
|| t
->zero1
) {
2554 pandecode_msg("XXX: tiler meta zero tripped\n");
2555 pandecode_prop("zero0 = 0x%" PRIx64
, t
->zero0
);
2556 pandecode_prop("zero1 = 0x%" PRIx64
, t
->zero1
);
2559 pandecode_prop("hierarchy_mask = 0x%" PRIx16
, t
->hierarchy_mask
);
2560 pandecode_prop("flags = 0x%" PRIx16
, t
->flags
);
2562 pandecode_prop("width = MALI_POSITIVE(%d)", t
->width
+ 1);
2563 pandecode_prop("height = MALI_POSITIVE(%d)", t
->height
+ 1);
2565 for (int i
= 0; i
< 12; i
++) {
2566 if (t
->zeros
[i
] != 0) {
2567 pandecode_msg("XXX: tiler heap zero %d tripped, value %" PRIx64
"\n",
2573 pandecode_log("};\n");
2577 pandecode_gl_enables(uint32_t gl_enables
, int job_type
)
2579 pandecode_log(".gl_enables = ");
2581 pandecode_log_decoded_flags(gl_enable_flag_info
, gl_enables
);
2583 pandecode_log_cont(",\n");
2587 pandecode_primitive_size(union midgard_primitive_size u
, bool constant
)
2589 if (u
.pointer
== 0x0)
2592 pandecode_log(".primitive_size = {\n");
2596 pandecode_prop("constant = %f", u
.constant
);
2598 MEMORY_PROP((&u
), pointer
);
2602 pandecode_log("},\n");
2606 pandecode_tiler_only_bfr(const struct bifrost_tiler_only
*t
, int job_no
)
2608 pandecode_log_cont("{\n");
2611 /* TODO: gl_PointSize on Bifrost */
2612 pandecode_primitive_size(t
->primitive_size
, true);
2614 pandecode_gl_enables(t
->gl_enables
, JOB_TYPE_TILER
);
2616 if (t
->zero1
|| t
->zero2
|| t
->zero3
|| t
->zero4
|| t
->zero5
2617 || t
->zero6
|| t
->zero7
|| t
->zero8
) {
2618 pandecode_msg("XXX: tiler only zero tripped\n");
2619 pandecode_prop("zero1 = 0x%" PRIx64
, t
->zero1
);
2620 pandecode_prop("zero2 = 0x%" PRIx64
, t
->zero2
);
2621 pandecode_prop("zero3 = 0x%" PRIx64
, t
->zero3
);
2622 pandecode_prop("zero4 = 0x%" PRIx64
, t
->zero4
);
2623 pandecode_prop("zero5 = 0x%" PRIx64
, t
->zero5
);
2624 pandecode_prop("zero6 = 0x%" PRIx64
, t
->zero6
);
2625 pandecode_prop("zero7 = 0x%" PRIx32
, t
->zero7
);
2626 pandecode_prop("zero8 = 0x%" PRIx64
, t
->zero8
);
2630 pandecode_log("},\n");
2634 pandecode_vertex_job_bfr(const struct mali_job_descriptor_header
*h
,
2635 const struct pandecode_mapped_memory
*mem
,
2636 mali_ptr payload
, int job_no
, unsigned gpu_id
)
2638 struct bifrost_payload_vertex
*PANDECODE_PTR_VAR(v
, mem
, payload
);
2640 pandecode_vertex_tiler_postfix_pre(&v
->postfix
, job_no
, h
->job_type
, "", true, gpu_id
);
2642 pandecode_log("struct bifrost_payload_vertex payload_%d = {\n", job_no
);
2645 pandecode_log(".prefix = ");
2646 pandecode_vertex_tiler_prefix(&v
->prefix
, job_no
, false);
2648 pandecode_log(".vertex = ");
2649 pandecode_vertex_only_bfr(&v
->vertex
);
2651 pandecode_vertex_tiler_postfix(&v
->postfix
, job_no
, true);
2654 pandecode_log("};\n");
2660 pandecode_tiler_job_bfr(const struct mali_job_descriptor_header
*h
,
2661 const struct pandecode_mapped_memory
*mem
,
2662 mali_ptr payload
, int job_no
, unsigned gpu_id
)
2664 struct bifrost_payload_tiler
*PANDECODE_PTR_VAR(t
, mem
, payload
);
2666 pandecode_vertex_tiler_postfix_pre(&t
->postfix
, job_no
, h
->job_type
, "", true, gpu_id
);
2667 pandecode_tiler_meta(t
->tiler
.tiler_meta
, job_no
);
2669 pandecode_log("struct bifrost_payload_tiler payload_%d = {\n", job_no
);
2672 pandecode_log(".prefix = ");
2673 pandecode_vertex_tiler_prefix(&t
->prefix
, job_no
, false);
2675 pandecode_log(".tiler = ");
2676 pandecode_tiler_only_bfr(&t
->tiler
, job_no
);
2678 pandecode_vertex_tiler_postfix(&t
->postfix
, job_no
, true);
2681 pandecode_log("};\n");
2687 pandecode_vertex_or_tiler_job_mdg(const struct mali_job_descriptor_header
*h
,
2688 const struct pandecode_mapped_memory
*mem
,
2689 mali_ptr payload
, int job_no
, unsigned gpu_id
)
2691 struct midgard_payload_vertex_tiler
*PANDECODE_PTR_VAR(v
, mem
, payload
);
2693 pandecode_vertex_tiler_postfix_pre(&v
->postfix
, job_no
, h
->job_type
, "", false, gpu_id
);
2695 pandecode_log("struct midgard_payload_vertex_tiler payload_%d = {\n", job_no
);
2698 bool has_primitive_pointer
= v
->prefix
.unknown_draw
& MALI_DRAW_VARYING_SIZE
;
2699 pandecode_primitive_size(v
->primitive_size
, !has_primitive_pointer
);
2701 bool is_graphics
= (h
->job_type
== JOB_TYPE_VERTEX
) || (h
->job_type
== JOB_TYPE_TILER
);
2703 pandecode_log(".prefix = ");
2704 pandecode_vertex_tiler_prefix(&v
->prefix
, job_no
, is_graphics
);
2706 pandecode_gl_enables(v
->gl_enables
, h
->job_type
);
2708 if (v
->instance_shift
|| v
->instance_odd
) {
2709 pandecode_prop("instance_shift = 0x%d /* %d */",
2710 v
->instance_shift
, 1 << v
->instance_shift
);
2711 pandecode_prop("instance_odd = 0x%X /* %d */",
2712 v
->instance_odd
, (2 * v
->instance_odd
) + 1);
2714 pandecode_padded_vertices(v
->instance_shift
, v
->instance_odd
);
2717 if (v
->offset_start
)
2718 pandecode_prop("offset_start = %d", v
->offset_start
);
2721 pandecode_msg("XXX: midgard payload zero tripped\n");
2722 pandecode_prop("zero5 = 0x%" PRIx64
, v
->zero5
);
2725 pandecode_vertex_tiler_postfix(&v
->postfix
, job_no
, false);
2728 pandecode_log("};\n");
2734 pandecode_fragment_job(const struct pandecode_mapped_memory
*mem
,
2735 mali_ptr payload
, int job_no
,
2736 bool is_bifrost
, unsigned gpu_id
)
2738 const struct mali_payload_fragment
*PANDECODE_PTR_VAR(s
, mem
, payload
);
2740 bool is_mfbd
= s
->framebuffer
& MALI_MFBD
;
2742 if (!is_mfbd
&& is_bifrost
)
2743 pandecode_msg("XXX: Bifrost fragment must use MFBD\n");
2745 struct pandecode_fbd info
;
2748 info
= pandecode_mfbd_bfr(s
->framebuffer
& FBD_MASK
, job_no
, true, false);
2750 info
= pandecode_sfbd(s
->framebuffer
& FBD_MASK
, job_no
, true, gpu_id
);
2752 /* Compute the tag for the tagged pointer. This contains the type of
2753 * FBD (MFBD/SFBD), and in the case of an MFBD, information about which
2754 * additional structures follow the MFBD header (an extra payload or
2755 * not, as well as a count of render targets) */
2757 unsigned expected_tag
= is_mfbd
? MALI_MFBD
: 0;
2761 expected_tag
|= MALI_MFBD_TAG_EXTRA
;
2763 expected_tag
|= (MALI_POSITIVE(info
.rt_count
) << 2);
2766 if ((s
->min_tile_coord
| s
->max_tile_coord
) & ~(MALI_X_COORD_MASK
| MALI_Y_COORD_MASK
)) {
2767 pandecode_msg("XXX: unexpected tile coordinate bits\n");
2768 pandecode_prop("min_tile_coord = 0x%X\n", s
->min_tile_coord
);
2769 pandecode_prop("max_tile_coord = 0x%X\n", s
->min_tile_coord
);
2772 /* Extract tile coordinates */
2774 unsigned min_x
= MALI_TILE_COORD_X(s
->min_tile_coord
) << MALI_TILE_SHIFT
;
2775 unsigned min_y
= MALI_TILE_COORD_Y(s
->min_tile_coord
) << MALI_TILE_SHIFT
;
2777 unsigned max_x
= (MALI_TILE_COORD_X(s
->max_tile_coord
) + 1) << MALI_TILE_SHIFT
;
2778 unsigned max_y
= (MALI_TILE_COORD_Y(s
->max_tile_coord
) + 1) << MALI_TILE_SHIFT
;
2780 /* For the max, we also want the floored (rather than ceiled) version for checking */
2782 unsigned max_x_f
= (MALI_TILE_COORD_X(s
->max_tile_coord
)) << MALI_TILE_SHIFT
;
2783 unsigned max_y_f
= (MALI_TILE_COORD_Y(s
->max_tile_coord
)) << MALI_TILE_SHIFT
;
2785 /* Validate the coordinates are well-ordered */
2788 pandecode_msg("XXX: empty X coordinates (%u = %u)\n", min_x
, max_x
);
2789 else if (min_x
> max_x
)
2790 pandecode_msg("XXX: misordered X coordinates (%u > %u)\n", min_x
, max_x
);
2793 pandecode_msg("XXX: empty X coordinates (%u = %u)\n", min_x
, max_x
);
2794 else if (min_y
> max_y
)
2795 pandecode_msg("XXX: misordered X coordinates (%u > %u)\n", min_x
, max_x
);
2797 /* Validate the coordinates fit inside the framebuffer. We use floor,
2798 * rather than ceil, for the max coordinates, since the tile
2799 * coordinates for something like an 800x600 framebuffer will actually
2800 * resolve to 800x608, which would otherwise trigger a Y-overflow */
2802 if ((min_x
> info
.width
) || (max_x_f
> info
.width
))
2803 pandecode_msg("XXX: tile coordinates overflow in X direction\n");
2805 if ((min_y
> info
.height
) || (max_y_f
> info
.height
))
2806 pandecode_msg("XXX: tile coordinates overflow in Y direction\n");
2808 /* After validation, we print */
2810 pandecode_log("fragment (%u, %u) ... (%u, %u)\n\n", min_x
, min_y
, max_x
, max_y
);
2812 /* The FBD is a tagged pointer */
2814 unsigned tag
= (s
->framebuffer
& ~FBD_MASK
);
2816 if (tag
!= expected_tag
)
2817 pandecode_msg("XXX: expected FBD tag %X but got %X\n", expected_tag
, tag
);
2822 /* Entrypoint to start tracing. jc_gpu_va is the GPU address for the first job
2823 * in the chain; later jobs are found by walking the chain. Bifrost is, well,
2824 * if it's bifrost or not. GPU ID is the more finegrained ID (at some point, we
2825 * might wish to combine this with the bifrost parameter) because some details
2826 * are model-specific even within a particular architecture. Minimal traces
2827 * *only* examine the job descriptors, skipping printing entirely if there is
2828 * no faults, and only descends into the payload if there are faults. This is
2829 * useful for looking for faults without the overhead of invasive traces. */
2832 pandecode_jc(mali_ptr jc_gpu_va
, bool bifrost
, unsigned gpu_id
, bool minimal
)
2834 struct mali_job_descriptor_header
*h
;
2835 unsigned job_descriptor_number
= 0;
2838 struct pandecode_mapped_memory
*mem
=
2839 pandecode_find_mapped_gpu_mem_containing(jc_gpu_va
);
2843 h
= PANDECODE_PTR(mem
, jc_gpu_va
, struct mali_job_descriptor_header
);
2845 /* On Midgard, for 32-bit jobs except for fragment jobs, the
2846 * high 32-bits of the 64-bit pointer are reused to store
2849 int offset
= h
->job_descriptor_size
== MALI_JOB_32
&&
2850 h
->job_type
!= JOB_TYPE_FRAGMENT
? 4 : 0;
2851 mali_ptr payload_ptr
= jc_gpu_va
+ sizeof(*h
) - offset
;
2853 payload
= pandecode_fetch_gpu_mem(mem
, payload_ptr
, 256);
2855 int job_no
= job_descriptor_number
++;
2857 /* If the job is good to go, skip it in minimal mode */
2858 if (minimal
&& (h
->exception_status
== 0x0 || h
->exception_status
== 0x1))
2861 pandecode_log("struct mali_job_descriptor_header job_%"PRIx64
"_%d = {\n", jc_gpu_va
, job_no
);
2864 pandecode_prop("job_type = %s", pandecode_job_type(h
->job_type
));
2866 if (h
->job_descriptor_size
)
2867 pandecode_prop("job_descriptor_size = %d", h
->job_descriptor_size
);
2869 if (h
->exception_status
&& h
->exception_status
!= 0x1)
2870 pandecode_prop("exception_status = %x (source ID: 0x%x access: %s exception: 0x%x)",
2871 h
->exception_status
,
2872 (h
->exception_status
>> 16) & 0xFFFF,
2873 pandecode_exception_access((h
->exception_status
>> 8) & 0x3),
2874 h
->exception_status
& 0xFF);
2876 if (h
->first_incomplete_task
)
2877 pandecode_prop("first_incomplete_task = %d", h
->first_incomplete_task
);
2879 if (h
->fault_pointer
)
2880 pandecode_prop("fault_pointer = 0x%" PRIx64
, h
->fault_pointer
);
2883 pandecode_prop("job_barrier = %d", h
->job_barrier
);
2885 pandecode_prop("job_index = %d", h
->job_index
);
2887 if (h
->unknown_flags
)
2888 pandecode_prop("unknown_flags = %d", h
->unknown_flags
);
2890 if (h
->job_dependency_index_1
)
2891 pandecode_prop("job_dependency_index_1 = %d", h
->job_dependency_index_1
);
2893 if (h
->job_dependency_index_2
)
2894 pandecode_prop("job_dependency_index_2 = %d", h
->job_dependency_index_2
);
2897 pandecode_log("};\n");
2899 switch (h
->job_type
) {
2900 case JOB_TYPE_WRITE_VALUE
: {
2901 struct mali_payload_write_value
*s
= payload
;
2902 pandecode_log("struct mali_payload_write_value payload_%"PRIx64
"_%d = {\n", payload_ptr
, job_no
);
2904 MEMORY_PROP(s
, address
);
2906 if (s
->value_descriptor
!= MALI_WRITE_VALUE_ZERO
) {
2907 pandecode_msg("XXX: unknown value descriptor\n");
2908 pandecode_prop("value_descriptor = 0x%" PRIX32
, s
->value_descriptor
);
2912 pandecode_msg("XXX: set value tripped\n");
2913 pandecode_prop("reserved = 0x%" PRIX32
, s
->reserved
);
2916 pandecode_prop("immediate = 0x%" PRIX64
, s
->immediate
);
2918 pandecode_log("};\n");
2923 case JOB_TYPE_TILER
:
2924 case JOB_TYPE_VERTEX
:
2925 case JOB_TYPE_COMPUTE
:
2927 if (h
->job_type
== JOB_TYPE_TILER
)
2928 pandecode_tiler_job_bfr(h
, mem
, payload_ptr
, job_no
, gpu_id
);
2930 pandecode_vertex_job_bfr(h
, mem
, payload_ptr
, job_no
, gpu_id
);
2932 pandecode_vertex_or_tiler_job_mdg(h
, mem
, payload_ptr
, job_no
, gpu_id
);
2936 case JOB_TYPE_FRAGMENT
:
2937 pandecode_fragment_job(mem
, payload_ptr
, job_no
, bifrost
, gpu_id
);
2943 } while ((jc_gpu_va
= h
->next_job
));