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
);
703 if (desc
->scratchpad
) {
704 struct pandecode_mapped_memory
*smem
=
705 pandecode_find_mapped_gpu_mem_containing(desc
->scratchpad
);
707 pandecode_msg("scratchpad size %u\n", smem
->length
);
712 static struct pandecode_fbd
713 pandecode_sfbd(uint64_t gpu_va
, int job_no
, bool is_fragment
, unsigned gpu_id
)
715 struct pandecode_mapped_memory
*mem
= pandecode_find_mapped_gpu_mem_containing(gpu_va
);
716 const struct mali_single_framebuffer
*PANDECODE_PTR_VAR(s
, mem
, (mali_ptr
) gpu_va
);
718 struct pandecode_fbd info
= {
723 pandecode_log("struct mali_single_framebuffer framebuffer_%"PRIx64
"_%d = {\n", gpu_va
, job_no
);
726 pandecode_log(".shared_memory = {\n");
728 pandecode_shared_memory(&s
->shared_memory
, false);
730 pandecode_log("},\n");
732 pandecode_sfbd_format(s
->format
);
734 info
.width
= s
->width
+ 1;
735 info
.height
= s
->height
+ 1;
737 pandecode_prop("width = MALI_POSITIVE(%" PRId16
")", info
.width
);
738 pandecode_prop("height = MALI_POSITIVE(%" PRId16
")", info
.height
);
740 MEMORY_PROP(s
, checksum
);
742 if (s
->checksum_stride
)
743 pandecode_prop("checksum_stride = %d", s
->checksum_stride
);
745 MEMORY_PROP(s
, framebuffer
);
746 pandecode_prop("stride = %d", s
->stride
);
748 /* Earlier in the actual commandstream -- right before width -- but we
749 * delay to flow nicer */
751 pandecode_log(".clear_flags = ");
752 pandecode_log_decoded_flags(clear_flag_info
, s
->clear_flags
);
753 pandecode_log_cont(",\n");
755 if (s
->depth_buffer
) {
756 MEMORY_PROP(s
, depth_buffer
);
757 pandecode_prop("depth_stride = %d", s
->depth_stride
);
760 if (s
->stencil_buffer
) {
761 MEMORY_PROP(s
, stencil_buffer
);
762 pandecode_prop("stencil_stride = %d", s
->stencil_stride
);
765 if (s
->depth_stride_zero
||
766 s
->stencil_stride_zero
||
767 s
->zero7
|| s
->zero8
) {
768 pandecode_msg("XXX: Depth/stencil zeros tripped\n");
769 pandecode_prop("depth_stride_zero = 0x%x",
770 s
->depth_stride_zero
);
771 pandecode_prop("stencil_stride_zero = 0x%x",
772 s
->stencil_stride_zero
);
773 pandecode_prop("zero7 = 0x%" PRIx32
,
775 pandecode_prop("zero8 = 0x%" PRIx32
,
779 if (s
->clear_color_1
| s
->clear_color_2
| s
->clear_color_3
| s
->clear_color_4
) {
780 pandecode_prop("clear_color_1 = 0x%" PRIx32
, s
->clear_color_1
);
781 pandecode_prop("clear_color_2 = 0x%" PRIx32
, s
->clear_color_2
);
782 pandecode_prop("clear_color_3 = 0x%" PRIx32
, s
->clear_color_3
);
783 pandecode_prop("clear_color_4 = 0x%" PRIx32
, s
->clear_color_4
);
786 if (s
->clear_depth_1
!= 0 || s
->clear_depth_2
!= 0 || s
->clear_depth_3
!= 0 || s
->clear_depth_4
!= 0) {
787 pandecode_prop("clear_depth_1 = %f", s
->clear_depth_1
);
788 pandecode_prop("clear_depth_2 = %f", s
->clear_depth_2
);
789 pandecode_prop("clear_depth_3 = %f", s
->clear_depth_3
);
790 pandecode_prop("clear_depth_4 = %f", s
->clear_depth_4
);
793 if (s
->clear_stencil
) {
794 pandecode_prop("clear_stencil = 0x%x", s
->clear_stencil
);
797 const struct midgard_tiler_descriptor t
= s
->tiler
;
799 bool has_hierarchy
= !(gpu_id
== 0x0720 || gpu_id
== 0x0820 || gpu_id
== 0x0830);
800 pandecode_midgard_tiler_descriptor(&t
, s
->width
+ 1, s
->height
+ 1, is_fragment
, has_hierarchy
);
803 pandecode_log("};\n");
805 pandecode_prop("zero2 = 0x%" PRIx32
, s
->zero2
);
806 pandecode_prop("zero4 = 0x%" PRIx32
, s
->zero4
);
807 pandecode_prop("zero5 = 0x%" PRIx32
, s
->zero5
);
809 pandecode_log_cont(".zero3 = {");
811 for (int i
= 0; i
< sizeof(s
->zero3
) / sizeof(s
->zero3
[0]); ++i
)
812 pandecode_log_cont("%X, ", s
->zero3
[i
]);
814 pandecode_log_cont("},\n");
816 pandecode_log_cont(".zero6 = {");
818 for (int i
= 0; i
< sizeof(s
->zero6
) / sizeof(s
->zero6
[0]); ++i
)
819 pandecode_log_cont("%X, ", s
->zero6
[i
]);
821 pandecode_log_cont("},\n");
827 pandecode_compute_fbd(uint64_t gpu_va
, int job_no
)
829 struct pandecode_mapped_memory
*mem
= pandecode_find_mapped_gpu_mem_containing(gpu_va
);
830 const struct mali_shared_memory
*PANDECODE_PTR_VAR(s
, mem
, (mali_ptr
) gpu_va
);
832 pandecode_log("struct mali_shared_memory shared_%"PRIx64
"_%d = {\n", gpu_va
, job_no
);
834 pandecode_shared_memory(s
, true);
836 pandecode_log("},\n");
839 /* Extracts the number of components associated with a Mali format */
842 pandecode_format_component_count(enum mali_format fmt
)
844 /* Mask out the format class */
845 unsigned top
= fmt
& 0b11100000;
848 case MALI_FORMAT_SNORM
:
849 case MALI_FORMAT_UINT
:
850 case MALI_FORMAT_UNORM
:
851 case MALI_FORMAT_SINT
:
852 return ((fmt
>> 3) & 3) + 1;
859 /* Extracts a mask of accessed components from a 12-bit Mali swizzle */
862 pandecode_access_mask_from_channel_swizzle(unsigned swizzle
)
865 assert(MALI_CHANNEL_RED
== 0);
867 for (unsigned c
= 0; c
< 4; ++c
) {
868 enum mali_channel chan
= (swizzle
>> (3*c
)) & 0x7;
870 if (chan
<= MALI_CHANNEL_ALPHA
)
877 /* Validates that a (format, swizzle) pair is valid, in the sense that the
878 * swizzle doesn't access any components that are undefined in the format.
879 * Returns whether the swizzle is trivial (doesn't do any swizzling) and can be
883 pandecode_validate_format_swizzle(enum mali_format fmt
, unsigned swizzle
)
885 unsigned nr_comp
= pandecode_format_component_count(fmt
);
886 unsigned access_mask
= pandecode_access_mask_from_channel_swizzle(swizzle
);
887 unsigned valid_mask
= (1 << nr_comp
) - 1;
888 unsigned invalid_mask
= ~valid_mask
;
890 if (access_mask
& invalid_mask
) {
891 pandecode_msg("XXX: invalid components accessed\n");
895 /* Check for the default non-swizzling swizzle so we can suppress
896 * useless printing for the defaults */
898 unsigned default_swizzles
[4] = {
899 MALI_CHANNEL_RED
| (MALI_CHANNEL_ZERO
<< 3) | (MALI_CHANNEL_ZERO
<< 6) | (MALI_CHANNEL_ONE
<< 9),
900 MALI_CHANNEL_RED
| (MALI_CHANNEL_GREEN
<< 3) | (MALI_CHANNEL_ZERO
<< 6) | (MALI_CHANNEL_ONE
<< 9),
901 MALI_CHANNEL_RED
| (MALI_CHANNEL_GREEN
<< 3) | (MALI_CHANNEL_BLUE
<< 6) | (MALI_CHANNEL_ONE
<< 9),
902 MALI_CHANNEL_RED
| (MALI_CHANNEL_GREEN
<< 3) | (MALI_CHANNEL_BLUE
<< 6) | (MALI_CHANNEL_ALPHA
<< 9)
905 return (swizzle
== default_swizzles
[nr_comp
- 1]);
908 /* Maps MALI_RGBA32F to rgba32f, etc */
911 pandecode_format_short(enum mali_format fmt
, bool srgb
)
913 /* We want a type-like format, so cut off the initial MALI_ */
914 char *format
= pandecode_format(fmt
);
915 format
+= strlen("MALI_");
917 unsigned len
= strlen(format
);
918 char *lower_format
= calloc(1, len
+ 1);
920 for (unsigned i
= 0; i
< len
; ++i
)
921 lower_format
[i
] = tolower(format
[i
]);
923 /* Sanity check sRGB flag is applied to RGB, per the name */
924 if (srgb
&& lower_format
[0] != 'r')
925 pandecode_msg("XXX: sRGB applied to non-colour format\n");
927 /* Just prefix with an s, so you get formats like srgba8_unorm */
929 pandecode_log_cont("s");
931 pandecode_log_cont("%s", lower_format
);
936 pandecode_swizzle(unsigned swizzle
, enum mali_format format
)
938 /* First, do some validation */
939 bool trivial_swizzle
= pandecode_validate_format_swizzle(
945 /* Next, print the swizzle */
946 pandecode_log_cont(".");
948 static const char components
[] = "rgba01";
950 for (unsigned c
= 0; c
< 4; ++c
) {
951 enum mali_channel chan
= (swizzle
>> (3 * c
)) & 0x7;
953 if (chan
>= MALI_CHANNEL_RESERVED_0
) {
954 pandecode_log("XXX: invalid swizzle channel %d\n", chan
);
957 pandecode_log_cont("%c", components
[chan
]);
962 pandecode_rt_format(struct mali_rt_format format
)
964 pandecode_log(".format = {\n");
967 pandecode_prop("unk1 = 0x%" PRIx32
, format
.unk1
);
968 pandecode_prop("unk2 = 0x%" PRIx32
, format
.unk2
);
969 pandecode_prop("unk3 = 0x%" PRIx32
, format
.unk3
);
971 pandecode_prop("block = %s", pandecode_block_format(format
.block
));
973 /* TODO: Map formats so we can check swizzles and print nicely */
974 pandecode_log("swizzle");
975 pandecode_swizzle(format
.swizzle
, MALI_RGBA8_UNORM
);
976 pandecode_log_cont(",\n");
978 pandecode_prop("nr_channels = MALI_POSITIVE(%d)",
979 (format
.nr_channels
+ 1));
981 pandecode_log(".flags = ");
982 pandecode_log_decoded_flags(mfbd_fmt_flag_info
, format
.flags
);
983 pandecode_log_cont(",\n");
985 /* In theory, the no_preload bit can be cleared to enable MFBD preload,
986 * which is a faster hardware-based alternative to the wallpaper method
987 * to preserve framebuffer contents across frames. In practice, MFBD
988 * preload is buggy on Midgard, and so this is a chicken bit. If this
989 * bit isn't set, most likely something broke unrelated to preload */
991 if (!format
.no_preload
) {
992 pandecode_msg("XXX: buggy MFBD preload enabled - chicken bit should be clear\n");
993 pandecode_prop("no_preload = 0x%" PRIx32
, format
.no_preload
);
997 pandecode_prop("zero = 0x%" PRIx32
, format
.zero
);
1000 pandecode_log("},\n");
1004 pandecode_render_target(uint64_t gpu_va
, unsigned job_no
, const struct mali_framebuffer
*fb
)
1006 pandecode_log("struct mali_render_target rts_list_%"PRIx64
"_%d[] = {\n", gpu_va
, job_no
);
1009 for (int i
= 0; i
< (fb
->rt_count_1
+ 1); i
++) {
1010 mali_ptr rt_va
= gpu_va
+ i
* sizeof(struct mali_render_target
);
1011 struct pandecode_mapped_memory
*mem
=
1012 pandecode_find_mapped_gpu_mem_containing(rt_va
);
1013 const struct mali_render_target
*PANDECODE_PTR_VAR(rt
, mem
, (mali_ptr
) rt_va
);
1015 pandecode_log("{\n");
1018 pandecode_rt_format(rt
->format
);
1020 if (rt
->format
.block
== MALI_BLOCK_AFBC
) {
1021 pandecode_log(".afbc = {\n");
1024 char *a
= pointer_as_memory_reference(rt
->afbc
.metadata
);
1025 pandecode_prop("metadata = %s", a
);
1028 pandecode_prop("stride = %d", rt
->afbc
.stride
);
1029 pandecode_prop("unk = 0x%" PRIx32
, rt
->afbc
.unk
);
1032 pandecode_log("},\n");
1033 } else if (rt
->afbc
.metadata
|| rt
->afbc
.stride
|| rt
->afbc
.unk
) {
1034 pandecode_msg("XXX: AFBC disabled but AFBC field set (0x%lX, 0x%x, 0x%x)\n",
1040 MEMORY_PROP(rt
, framebuffer
);
1041 pandecode_prop("framebuffer_stride = %d", rt
->framebuffer_stride
);
1043 if (rt
->clear_color_1
| rt
->clear_color_2
| rt
->clear_color_3
| rt
->clear_color_4
) {
1044 pandecode_prop("clear_color_1 = 0x%" PRIx32
, rt
->clear_color_1
);
1045 pandecode_prop("clear_color_2 = 0x%" PRIx32
, rt
->clear_color_2
);
1046 pandecode_prop("clear_color_3 = 0x%" PRIx32
, rt
->clear_color_3
);
1047 pandecode_prop("clear_color_4 = 0x%" PRIx32
, rt
->clear_color_4
);
1050 if (rt
->zero1
|| rt
->zero2
|| rt
->zero3
) {
1051 pandecode_msg("XXX: render target zeros tripped\n");
1052 pandecode_prop("zero1 = 0x%" PRIx64
, rt
->zero1
);
1053 pandecode_prop("zero2 = 0x%" PRIx32
, rt
->zero2
);
1054 pandecode_prop("zero3 = 0x%" PRIx32
, rt
->zero3
);
1058 pandecode_log("},\n");
1062 pandecode_log("};\n");
1065 static struct pandecode_fbd
1066 pandecode_mfbd_bfr(uint64_t gpu_va
, int job_no
, bool is_fragment
, bool is_compute
)
1068 struct pandecode_mapped_memory
*mem
= pandecode_find_mapped_gpu_mem_containing(gpu_va
);
1069 const struct mali_framebuffer
*PANDECODE_PTR_VAR(fb
, mem
, (mali_ptr
) gpu_va
);
1071 struct pandecode_fbd info
;
1073 pandecode_log("struct mali_framebuffer framebuffer_%"PRIx64
"_%d = {\n", gpu_va
, job_no
);
1076 pandecode_log(".shared_memory = {\n");
1078 pandecode_shared_memory(&fb
->shared_memory
, is_compute
);
1080 pandecode_log("},\n");
1082 info
.width
= fb
->width1
+ 1;
1083 info
.height
= fb
->height1
+ 1;
1084 info
.rt_count
= fb
->rt_count_1
+ 1;
1086 pandecode_prop("width1 = MALI_POSITIVE(%d)", fb
->width1
+ 1);
1087 pandecode_prop("height1 = MALI_POSITIVE(%d)", fb
->height1
+ 1);
1088 pandecode_prop("width2 = MALI_POSITIVE(%d)", fb
->width2
+ 1);
1089 pandecode_prop("height2 = MALI_POSITIVE(%d)", fb
->height2
+ 1);
1091 pandecode_prop("unk1 = 0x%x", fb
->unk1
);
1092 pandecode_prop("unk2 = 0x%x", fb
->unk2
);
1093 pandecode_prop("rt_count_1 = MALI_POSITIVE(%d)", fb
->rt_count_1
+ 1);
1094 pandecode_prop("rt_count_2 = %d", fb
->rt_count_2
);
1096 pandecode_log(".mfbd_flags = ");
1097 pandecode_log_decoded_flags(mfbd_flag_info
, fb
->mfbd_flags
);
1098 pandecode_log_cont(",\n");
1100 if (fb
->clear_stencil
)
1101 pandecode_prop("clear_stencil = 0x%x", fb
->clear_stencil
);
1103 if (fb
->clear_depth
)
1104 pandecode_prop("clear_depth = %f", fb
->clear_depth
);
1106 const struct midgard_tiler_descriptor t
= fb
->tiler
;
1108 pandecode_midgard_tiler_descriptor(&t
, fb
->width1
+ 1, fb
->height1
+ 1, is_fragment
, true);
1110 pandecode_msg("XXX: skipping compute MFBD, fixme\n");
1112 if (fb
->zero3
|| fb
->zero4
) {
1113 pandecode_msg("XXX: framebuffer zeros tripped\n");
1114 pandecode_prop("zero3 = 0x%" PRIx32
, fb
->zero3
);
1115 pandecode_prop("zero4 = 0x%" PRIx32
, fb
->zero4
);
1119 pandecode_log("};\n");
1121 gpu_va
+= sizeof(struct mali_framebuffer
);
1123 info
.has_extra
= (fb
->mfbd_flags
& MALI_MFBD_EXTRA
) && is_fragment
;
1125 if (info
.has_extra
) {
1126 mem
= pandecode_find_mapped_gpu_mem_containing(gpu_va
);
1127 const struct mali_framebuffer_extra
*PANDECODE_PTR_VAR(fbx
, mem
, (mali_ptr
) gpu_va
);
1129 pandecode_log("struct mali_framebuffer_extra fb_extra_%"PRIx64
"_%d = {\n", gpu_va
, job_no
);
1132 MEMORY_PROP(fbx
, checksum
);
1134 if (fbx
->checksum_stride
)
1135 pandecode_prop("checksum_stride = %d", fbx
->checksum_stride
);
1137 pandecode_log(".flags_hi = ");
1138 pandecode_log_decoded_flags(mfbd_extra_flag_hi_info
, fbx
->flags_lo
);
1139 pandecode_log_cont(",\n");
1141 pandecode_log(".flags_lo = ");
1142 pandecode_log_decoded_flags(mfbd_extra_flag_lo_info
, fbx
->flags_lo
);
1143 pandecode_log_cont(",\n");
1145 pandecode_prop("zs_block = %s", pandecode_block_format(fbx
->zs_block
));
1147 if (fbx
->zs_block
== MALI_BLOCK_AFBC
) {
1148 pandecode_log(".ds_afbc = {\n");
1151 MEMORY_PROP_DIR(fbx
->ds_afbc
, depth_stencil_afbc_metadata
);
1152 pandecode_prop("depth_stencil_afbc_stride = %d",
1153 fbx
->ds_afbc
.depth_stencil_afbc_stride
);
1154 MEMORY_PROP_DIR(fbx
->ds_afbc
, depth_stencil
);
1156 if (fbx
->ds_afbc
.zero1
|| fbx
->ds_afbc
.padding
) {
1157 pandecode_msg("XXX: Depth/stencil AFBC zeros tripped\n");
1158 pandecode_prop("zero1 = 0x%" PRIx32
,
1159 fbx
->ds_afbc
.zero1
);
1160 pandecode_prop("padding = 0x%" PRIx64
,
1161 fbx
->ds_afbc
.padding
);
1165 pandecode_log("},\n");
1167 pandecode_log(".ds_linear = {\n");
1170 if (fbx
->ds_linear
.depth
) {
1171 MEMORY_PROP_DIR(fbx
->ds_linear
, depth
);
1172 pandecode_prop("depth_stride = %d",
1173 fbx
->ds_linear
.depth_stride
);
1174 } else if (fbx
->ds_linear
.depth_stride
) {
1175 pandecode_msg("XXX: depth stride zero tripped %d\n", fbx
->ds_linear
.depth_stride
);
1178 if (fbx
->ds_linear
.stencil
) {
1179 MEMORY_PROP_DIR(fbx
->ds_linear
, stencil
);
1180 pandecode_prop("stencil_stride = %d",
1181 fbx
->ds_linear
.stencil_stride
);
1182 } else if (fbx
->ds_linear
.stencil_stride
) {
1183 pandecode_msg("XXX: stencil stride zero tripped %d\n", fbx
->ds_linear
.stencil_stride
);
1186 if (fbx
->ds_linear
.depth_stride_zero
||
1187 fbx
->ds_linear
.stencil_stride_zero
||
1188 fbx
->ds_linear
.zero1
|| fbx
->ds_linear
.zero2
) {
1189 pandecode_msg("XXX: Depth/stencil zeros tripped\n");
1190 pandecode_prop("depth_stride_zero = 0x%x",
1191 fbx
->ds_linear
.depth_stride_zero
);
1192 pandecode_prop("stencil_stride_zero = 0x%x",
1193 fbx
->ds_linear
.stencil_stride_zero
);
1194 pandecode_prop("zero1 = 0x%" PRIx32
,
1195 fbx
->ds_linear
.zero1
);
1196 pandecode_prop("zero2 = 0x%" PRIx32
,
1197 fbx
->ds_linear
.zero2
);
1201 pandecode_log("},\n");
1204 if (fbx
->zero3
|| fbx
->zero4
) {
1205 pandecode_msg("XXX: fb_extra zeros tripped\n");
1206 pandecode_prop("zero3 = 0x%" PRIx64
, fbx
->zero3
);
1207 pandecode_prop("zero4 = 0x%" PRIx64
, fbx
->zero4
);
1211 pandecode_log("};\n");
1213 gpu_va
+= sizeof(struct mali_framebuffer_extra
);
1217 pandecode_render_target(gpu_va
, job_no
, fb
);
1222 /* Just add a comment decoding the shift/odd fields forming the padded vertices
1226 pandecode_padded_vertices(unsigned shift
, unsigned k
)
1228 unsigned odd
= 2*k
+ 1;
1229 unsigned pot
= 1 << shift
;
1230 pandecode_msg("padded_num_vertices = %d\n", odd
* pot
);
1233 /* Given a magic divisor, recover what we were trying to divide by.
1235 * Let m represent the magic divisor. By definition, m is an element on Z, whre
1236 * 0 <= m < 2^N, for N bits in m.
1238 * Let q represent the number we would like to divide by.
1240 * By definition of a magic divisor for N-bit unsigned integers (a number you
1241 * multiply by to magically get division), m is a number such that:
1243 * (m * x) & (2^N - 1) = floor(x/q).
1244 * for all x on Z where 0 <= x < 2^N
1246 * Ignore the case where any of the above values equals zero; it is irrelevant
1247 * for our purposes (instanced arrays).
1249 * Choose x = q. Then:
1251 * (m * x) & (2^N - 1) = floor(x/q).
1252 * (m * q) & (2^N - 1) = floor(q/q).
1254 * floor(q/q) = floor(1) = 1, therefore:
1256 * (m * q) & (2^N - 1) = 1
1258 * Recall the identity that the bitwise AND of one less than a power-of-two
1259 * equals the modulo with that power of two, i.e. for all x:
1261 * x & (2^N - 1) = x % N
1267 * By definition, a modular multiplicative inverse of a number m is the number
1268 * q such that with respect to a modulos M:
1272 * Therefore, q is the modular multiplicative inverse of m with modulus 2^N.
1277 pandecode_magic_divisor(uint32_t magic
, unsigned shift
, unsigned orig_divisor
, unsigned extra
)
1280 /* Compute the modular inverse of `magic` with respect to 2^(32 -
1281 * shift) the most lame way possible... just repeatedly add.
1282 * Asymptoptically slow but nobody cares in practice, unless you have
1283 * massive numbers of vertices or high divisors. */
1285 unsigned inverse
= 0;
1287 /* Magic implicitly has the highest bit set */
1290 /* Depending on rounding direction */
1295 uint32_t product
= magic
* inverse
;
1307 pandecode_msg("dividing by %d (maybe off by two)\n", inverse
);
1309 /* Recall we're supposed to divide by (gl_level_divisor *
1310 * padded_num_vertices) */
1312 unsigned padded_num_vertices
= inverse
/ orig_divisor
;
1314 pandecode_msg("padded_num_vertices = %d\n", padded_num_vertices
);
1319 pandecode_attributes(const struct pandecode_mapped_memory
*mem
,
1320 mali_ptr addr
, int job_no
, char *suffix
,
1321 int count
, bool varying
, enum mali_job_type job_type
)
1323 char *prefix
= varying
? "varying" : "attribute";
1327 pandecode_msg("warn: No %s records\n", prefix
);
1331 union mali_attr
*attr
= pandecode_fetch_gpu_mem(mem
, addr
, sizeof(union mali_attr
) * count
);
1333 for (int i
= 0; i
< count
; ++i
) {
1334 /* First, check for special records */
1335 if (attr
[i
].elements
< MALI_RECORD_SPECIAL
) {
1337 pandecode_msg("XXX: tripped size=%d\n", attr
[i
].size
);
1339 if (attr
[i
].stride
) {
1340 /* gl_InstanceID passes a magic divisor in the
1341 * stride field to divide by the padded vertex
1342 * count. No other records should do so, so
1343 * stride should otherwise be zero. Note that
1344 * stride in the usual attribute sense doesn't
1345 * apply to special records. */
1347 bool has_divisor
= attr
[i
].elements
== MALI_ATTR_INSTANCEID
;
1349 pandecode_log_cont("/* %smagic divisor = %X */ ",
1350 has_divisor
? "" : "XXX: ", attr
[i
].stride
);
1353 if (attr
[i
].shift
|| attr
[i
].extra_flags
) {
1354 /* Attributes use these fields for
1355 * instancing/padding/etc type issues, but
1358 pandecode_log_cont("/* %sshift=%d, extra=%d */ ",
1359 varying
? "XXX: " : "",
1360 attr
[i
].shift
, attr
[i
].extra_flags
);
1363 /* Print the special record name */
1364 bool attribute
= false;
1365 pandecode_log("%s_%d = %s;\n", prefix
, i
, pandecode_special_record(attr
[i
].elements
, &attribute
));
1368 if (attribute
== varying
)
1369 pandecode_msg("XXX: mismatched special record\n");
1374 enum mali_attr_mode mode
= attr
[i
].elements
& 7;
1376 if (mode
== MALI_ATTR_UNUSED
)
1377 pandecode_msg("XXX: unused attribute record\n");
1379 /* For non-linear records, we need to print the type of record */
1380 if (mode
!= MALI_ATTR_LINEAR
)
1381 pandecode_log_cont("%s ", pandecode_attr_mode_short(mode
));
1383 /* Print the name to link with attr_meta */
1384 pandecode_log_cont("%s_%d", prefix
, i
);
1386 /* Print the stride and size */
1387 pandecode_log_cont("<%u>[%u]", attr
[i
].stride
, attr
[i
].size
);
1389 /* TODO: Sanity check the quotient itself. It must be equal to
1390 * (or be greater than, if the driver added padding) the padded
1393 /* Finally, print the pointer */
1394 mali_ptr raw_elements
= attr
[i
].elements
& ~7;
1395 char *a
= pointer_as_memory_reference(raw_elements
);
1396 pandecode_log_cont(" = (%s);\n", a
);
1399 /* Check the pointer */
1400 pandecode_validate_buffer(raw_elements
, attr
[i
].size
);
1402 /* shift/extra_flags exist only for instanced */
1403 if (attr
[i
].shift
| attr
[i
].extra_flags
) {
1404 /* These are set to random values by the blob for
1405 * varyings, most likely a symptom of uninitialized
1406 * memory where the hardware masked the bug. As such we
1407 * put this at a warning, not an error. */
1409 if (mode
== MALI_ATTR_LINEAR
)
1410 pandecode_msg("warn: instancing fields set for linear\n");
1412 pandecode_prop("shift = %d", attr
[i
].shift
);
1413 pandecode_prop("extra_flags = %d", attr
[i
].extra_flags
);
1416 /* Decode further where possible */
1418 if (mode
== MALI_ATTR_MODULO
) {
1419 pandecode_padded_vertices(
1421 attr
[i
].extra_flags
);
1424 if (mode
== MALI_ATTR_NPOT_DIVIDE
) {
1426 pandecode_log("{\n");
1428 pandecode_prop("unk = 0x%x", attr
[i
].unk
);
1429 pandecode_prop("magic_divisor = 0x%08x", attr
[i
].magic_divisor
);
1430 if (attr
[i
].zero
!= 0)
1431 pandecode_prop("XXX: zero tripped (0x%x)\n", attr
[i
].zero
);
1432 pandecode_prop("divisor = %d", attr
[i
].divisor
);
1433 pandecode_magic_divisor(attr
[i
].magic_divisor
, attr
[i
- 1].shift
, attr
[i
].divisor
, attr
[i
- 1].extra_flags
);
1435 pandecode_log("}, \n");
1440 pandecode_log("\n");
1444 pandecode_shader_address(const char *name
, mali_ptr ptr
)
1446 /* TODO: Decode flags */
1447 mali_ptr shader_ptr
= ptr
& ~15;
1449 char *a
= pointer_as_memory_reference(shader_ptr
);
1450 pandecode_prop("%s = (%s) | %d", name
, a
, (int) (ptr
& 15));
1457 pandecode_stencil(const char *name
, const struct mali_stencil_test
*stencil
)
1459 unsigned any_nonzero
=
1460 stencil
->ref
| stencil
->mask
| stencil
->func
|
1461 stencil
->sfail
| stencil
->dpfail
| stencil
->dppass
;
1463 if (any_nonzero
== 0)
1466 const char *func
= pandecode_func(stencil
->func
);
1467 const char *sfail
= pandecode_stencil_op(stencil
->sfail
);
1468 const char *dpfail
= pandecode_stencil_op(stencil
->dpfail
);
1469 const char *dppass
= pandecode_stencil_op(stencil
->dppass
);
1472 pandecode_msg("XXX: stencil zero tripped: %X\n", stencil
->zero
);
1474 pandecode_log(".stencil_%s = {\n", name
);
1476 pandecode_prop("ref = %d", stencil
->ref
);
1477 pandecode_prop("mask = 0x%02X", stencil
->mask
);
1478 pandecode_prop("func = %s", func
);
1479 pandecode_prop("sfail = %s", sfail
);
1480 pandecode_prop("dpfail = %s", dpfail
);
1481 pandecode_prop("dppass = %s", dppass
);
1483 pandecode_log("},\n");
1487 pandecode_blend_equation(const struct mali_blend_equation
*blend
)
1490 pandecode_msg("XXX: blend zero tripped: %X\n", blend
->zero1
);
1492 pandecode_log(".equation = {\n");
1495 pandecode_prop("rgb_mode = 0x%X", blend
->rgb_mode
);
1496 pandecode_prop("alpha_mode = 0x%X", blend
->alpha_mode
);
1498 pandecode_log(".color_mask = ");
1499 pandecode_log_decoded_flags(mask_flag_info
, blend
->color_mask
);
1500 pandecode_log_cont(",\n");
1503 pandecode_log("},\n");
1506 /* Decodes a Bifrost blend constant. See the notes in bifrost_blend_rt */
1509 decode_bifrost_constant(u16 constant
)
1511 float lo
= (float) (constant
& 0xFF);
1512 float hi
= (float) (constant
>> 8);
1514 return (hi
/ 255.0) + (lo
/ 65535.0);
1518 pandecode_bifrost_blend(void *descs
, int job_no
, int rt_no
)
1520 struct bifrost_blend_rt
*b
=
1521 ((struct bifrost_blend_rt
*) descs
) + rt_no
;
1523 pandecode_log("struct bifrost_blend_rt blend_rt_%d_%d = {\n", job_no
, rt_no
);
1526 pandecode_prop("flags = 0x%" PRIx16
, b
->flags
);
1527 pandecode_prop("constant = 0x%" PRIx8
" /* %f */",
1528 b
->constant
, decode_bifrost_constant(b
->constant
));
1530 /* TODO figure out blend shader enable bit */
1531 pandecode_blend_equation(&b
->equation
);
1532 pandecode_prop("unk2 = 0x%" PRIx16
, b
->unk2
);
1533 pandecode_prop("index = 0x%" PRIx16
, b
->index
);
1534 pandecode_prop("shader = 0x%" PRIx32
, b
->shader
);
1537 pandecode_log("},\n");
1543 pandecode_midgard_blend(union midgard_blend
*blend
, bool is_shader
)
1545 /* constant/equation is in a union */
1549 pandecode_log(".blend = {\n");
1553 pandecode_shader_address("shader", blend
->shader
);
1555 pandecode_blend_equation(&blend
->equation
);
1556 pandecode_prop("constant = %f", blend
->constant
);
1560 pandecode_log("},\n");
1562 /* Return blend shader to disassemble if present */
1563 return is_shader
? (blend
->shader
& ~0xF) : 0;
1567 pandecode_midgard_blend_mrt(void *descs
, int job_no
, int rt_no
)
1569 struct midgard_blend_rt
*b
=
1570 ((struct midgard_blend_rt
*) descs
) + rt_no
;
1572 /* Flags determine presence of blend shader */
1573 bool is_shader
= (b
->flags
& 0xF) >= 0x2;
1575 pandecode_log("struct midgard_blend_rt blend_rt_%d_%d = {\n", job_no
, rt_no
);
1578 pandecode_prop("flags = 0x%" PRIx64
, b
->flags
);
1580 union midgard_blend blend
= b
->blend
;
1581 mali_ptr shader
= pandecode_midgard_blend(&blend
, is_shader
);
1584 pandecode_log("};\n");
1589 /* Attributes and varyings have descriptor records, which contain information
1590 * about their format and ordering with the attribute/varying buffers. We'll
1591 * want to validate that the combinations specified are self-consistent.
1595 pandecode_attribute_meta(int job_no
, int count
, const struct mali_vertex_tiler_postfix
*v
, bool varying
, char *suffix
)
1598 char *prefix
= varying
? "varying" : "attribute";
1599 unsigned max_index
= 0;
1600 snprintf(base
, sizeof(base
), "%s_meta", prefix
);
1602 struct mali_attr_meta
*attr_meta
;
1603 mali_ptr p
= varying
? v
->varying_meta
: v
->attribute_meta
;
1605 struct pandecode_mapped_memory
*attr_mem
= pandecode_find_mapped_gpu_mem_containing(p
);
1607 for (int i
= 0; i
< count
; ++i
, p
+= sizeof(struct mali_attr_meta
)) {
1608 attr_meta
= pandecode_fetch_gpu_mem(attr_mem
, p
,
1611 /* If the record is discard, it should be zero for everything else */
1613 if (attr_meta
->format
== MALI_VARYING_DISCARD
) {
1616 attr_meta
->unknown1
|
1617 attr_meta
->unknown3
|
1618 attr_meta
->src_offset
;
1621 pandecode_msg("XXX: expected empty record for varying discard\n");
1623 /* We want to look for a literal 0000 swizzle -- this
1624 * is not encoded with all zeroes, however */
1626 enum mali_channel z
= MALI_CHANNEL_ZERO
;
1627 unsigned zero_swizzle
= z
| (z
<< 3) | (z
<< 6) | (z
<< 9);
1628 bool good_swizzle
= attr_meta
->swizzle
== zero_swizzle
;
1631 pandecode_msg("XXX: expected zero swizzle for discard\n");
1634 pandecode_msg("XXX: cannot discard attribute\n");
1636 /* If we're all good, omit the record */
1637 if (!zero
&& varying
&& good_swizzle
) {
1638 pandecode_log("/* discarded varying */\n");
1643 if (attr_meta
->index
> max_index
)
1644 max_index
= attr_meta
->index
;
1646 if (attr_meta
->unknown1
!= 0x2) {
1647 pandecode_msg("XXX: expected unknown1 = 0x2\n");
1648 pandecode_prop("unknown1 = 0x%" PRIx64
, (u64
) attr_meta
->unknown1
);
1651 if (attr_meta
->unknown3
) {
1652 pandecode_msg("XXX: unexpected unknown3 set\n");
1653 pandecode_prop("unknown3 = 0x%" PRIx64
, (u64
) attr_meta
->unknown3
);
1656 pandecode_format_short(attr_meta
->format
, false);
1657 pandecode_log_cont(" %s_%u", prefix
, attr_meta
->index
);
1659 if (attr_meta
->src_offset
)
1660 pandecode_log_cont("[%u]", attr_meta
->src_offset
);
1662 pandecode_swizzle(attr_meta
->swizzle
, attr_meta
->format
);
1664 pandecode_log_cont(";\n");
1667 pandecode_log("\n");
1669 return count
? (max_index
+ 1) : 0;
1672 /* return bits [lo, hi) of word */
1674 bits(u32 word
, u32 lo
, u32 hi
)
1677 return word
; // avoid undefined behavior with the shift
1679 return (word
>> lo
) & ((1 << (hi
- lo
)) - 1);
1683 pandecode_vertex_tiler_prefix(struct mali_vertex_tiler_prefix
*p
, int job_no
, bool graphics
)
1685 pandecode_log_cont("{\n");
1688 /* Decode invocation_count. See the comment before the definition of
1689 * invocation_count for an explanation.
1692 unsigned size_y_shift
= bits(p
->invocation_shifts
, 0, 5);
1693 unsigned size_z_shift
= bits(p
->invocation_shifts
, 5, 10);
1694 unsigned workgroups_x_shift
= bits(p
->invocation_shifts
, 10, 16);
1695 unsigned workgroups_y_shift
= bits(p
->invocation_shifts
, 16, 22);
1696 unsigned workgroups_z_shift
= bits(p
->invocation_shifts
, 22, 28);
1697 unsigned workgroups_x_shift_2
= bits(p
->invocation_shifts
, 28, 32);
1699 unsigned size_x
= bits(p
->invocation_count
, 0, size_y_shift
) + 1;
1700 unsigned size_y
= bits(p
->invocation_count
, size_y_shift
, size_z_shift
) + 1;
1701 unsigned size_z
= bits(p
->invocation_count
, size_z_shift
, workgroups_x_shift
) + 1;
1703 unsigned groups_x
= bits(p
->invocation_count
, workgroups_x_shift
, workgroups_y_shift
) + 1;
1704 unsigned groups_y
= bits(p
->invocation_count
, workgroups_y_shift
, workgroups_z_shift
) + 1;
1705 unsigned groups_z
= bits(p
->invocation_count
, workgroups_z_shift
, 32) + 1;
1707 /* Even though we have this decoded, we want to ensure that the
1708 * representation is "unique" so we don't lose anything by printing only
1709 * the final result. More specifically, we need to check that we were
1710 * passed something in canonical form, since the definition per the
1711 * hardware is inherently not unique. How? Well, take the resulting
1712 * decode and pack it ourselves! If it is bit exact with what we
1713 * decoded, we're good to go. */
1715 struct mali_vertex_tiler_prefix ref
;
1716 panfrost_pack_work_groups_compute(&ref
, groups_x
, groups_y
, groups_z
, size_x
, size_y
, size_z
, graphics
);
1719 (p
->invocation_count
== ref
.invocation_count
) &&
1720 (p
->invocation_shifts
== ref
.invocation_shifts
);
1723 pandecode_msg("XXX: non-canonical workgroups packing\n");
1724 pandecode_msg("expected: %X, %X",
1725 ref
.invocation_count
,
1726 ref
.invocation_shifts
);
1728 pandecode_prop("invocation_count = 0x%" PRIx32
, p
->invocation_count
);
1729 pandecode_prop("size_y_shift = %d", size_y_shift
);
1730 pandecode_prop("size_z_shift = %d", size_z_shift
);
1731 pandecode_prop("workgroups_x_shift = %d", workgroups_x_shift
);
1732 pandecode_prop("workgroups_y_shift = %d", workgroups_y_shift
);
1733 pandecode_prop("workgroups_z_shift = %d", workgroups_z_shift
);
1734 pandecode_prop("workgroups_x_shift_2 = %d", workgroups_x_shift_2
);
1737 /* Regardless, print the decode */
1738 pandecode_msg("size (%d, %d, %d), count (%d, %d, %d)\n",
1739 size_x
, size_y
, size_z
,
1740 groups_x
, groups_y
, groups_z
);
1743 if (p
->unknown_draw
)
1744 pandecode_prop("unknown_draw = 0x%" PRIx32
, p
->unknown_draw
);
1746 pandecode_prop("workgroups_x_shift_3 = 0x%" PRIx32
, p
->workgroups_x_shift_3
);
1748 if (p
->draw_mode
!= MALI_DRAW_NONE
)
1749 pandecode_prop("draw_mode = %s", pandecode_draw_mode(p
->draw_mode
));
1751 /* Index count only exists for tiler jobs anyway */
1754 pandecode_prop("index_count = MALI_POSITIVE(%" PRId32
")", p
->index_count
+ 1);
1757 unsigned index_raw_size
= (p
->unknown_draw
& MALI_DRAW_INDEXED_SIZE
);
1758 index_raw_size
>>= MALI_DRAW_INDEXED_SHIFT
;
1760 /* Validate an index buffer is present if we need one. TODO: verify
1761 * relationship between invocation_count and index_count */
1764 unsigned count
= p
->index_count
;
1767 unsigned size
= (index_raw_size
== 0x3) ? 4 : index_raw_size
;
1769 /* Ensure we got a size, and if so, validate the index buffer
1770 * is large enough to hold a full set of indices of the given
1773 if (!index_raw_size
)
1774 pandecode_msg("XXX: index size missing\n");
1776 pandecode_validate_buffer(p
->indices
, count
* size
);
1777 } else if (index_raw_size
)
1778 pandecode_msg("XXX: unexpected index size %u\n", index_raw_size
);
1780 if (p
->offset_bias_correction
)
1781 pandecode_prop("offset_bias_correction = %d", p
->offset_bias_correction
);
1783 /* TODO: Figure out what this is. It's not zero */
1784 pandecode_prop("zero1 = 0x%" PRIx32
, p
->zero1
);
1787 pandecode_log("},\n");
1791 pandecode_uniform_buffers(mali_ptr pubufs
, int ubufs_count
, int job_no
)
1793 struct pandecode_mapped_memory
*umem
= pandecode_find_mapped_gpu_mem_containing(pubufs
);
1794 uint64_t *PANDECODE_PTR_VAR(ubufs
, umem
, pubufs
);
1796 for (int i
= 0; i
< ubufs_count
; i
++) {
1797 unsigned size
= (ubufs
[i
] & ((1 << 10) - 1)) * 16;
1798 mali_ptr addr
= (ubufs
[i
] >> 10) << 2;
1800 pandecode_validate_buffer(addr
, size
);
1802 char *ptr
= pointer_as_memory_reference(addr
);
1803 pandecode_log("ubuf_%d[%u] = %s;\n", i
, size
, ptr
);
1807 pandecode_log("\n");
1811 pandecode_uniforms(mali_ptr uniforms
, unsigned uniform_count
)
1813 pandecode_validate_buffer(uniforms
, uniform_count
* 16);
1815 char *ptr
= pointer_as_memory_reference(uniforms
);
1816 pandecode_log("vec4 uniforms[%u] = %s;\n", uniform_count
, ptr
);
1821 shader_type_for_job(unsigned type
)
1824 case JOB_TYPE_VERTEX
: return "VERTEX";
1825 case JOB_TYPE_TILER
: return "FRAGMENT";
1826 case JOB_TYPE_COMPUTE
: return "COMPUTE";
1832 static unsigned shader_id
= 0;
1834 static struct midgard_disasm_stats
1835 pandecode_shader_disassemble(mali_ptr shader_ptr
, int shader_no
, int type
,
1836 bool is_bifrost
, unsigned gpu_id
)
1838 struct pandecode_mapped_memory
*mem
= pandecode_find_mapped_gpu_mem_containing(shader_ptr
);
1839 uint8_t *PANDECODE_PTR_VAR(code
, mem
, shader_ptr
);
1841 /* Compute maximum possible size */
1842 size_t sz
= mem
->length
- (shader_ptr
- mem
->gpu_va
);
1844 /* Print some boilerplate to clearly denote the assembly (which doesn't
1845 * obey indentation rules), and actually do the disassembly! */
1847 pandecode_log_cont("\n\n");
1849 struct midgard_disasm_stats stats
;
1852 disassemble_bifrost(pandecode_dump_stream
, code
, sz
, false);
1854 /* TODO: Extend stats to Bifrost */
1855 stats
.texture_count
= -128;
1856 stats
.sampler_count
= -128;
1857 stats
.attribute_count
= -128;
1858 stats
.varying_count
= -128;
1859 stats
.uniform_count
= -128;
1860 stats
.uniform_buffer_count
= -128;
1861 stats
.work_count
= -128;
1863 stats
.instruction_count
= 0;
1864 stats
.bundle_count
= 0;
1865 stats
.quadword_count
= 0;
1866 stats
.helper_invocations
= false;
1868 stats
= disassemble_midgard(pandecode_dump_stream
,
1870 type
== JOB_TYPE_TILER
?
1871 MESA_SHADER_FRAGMENT
: MESA_SHADER_VERTEX
);
1874 /* Print shader-db stats. Skip COMPUTE jobs since they are used for
1875 * driver-internal purposes with the blob and interfere */
1877 bool should_shaderdb
= type
!= JOB_TYPE_COMPUTE
;
1879 if (should_shaderdb
) {
1880 unsigned nr_threads
=
1881 (stats
.work_count
<= 4) ? 4 :
1882 (stats
.work_count
<= 8) ? 2 :
1885 pandecode_log_cont("shader%d - MESA_SHADER_%s shader: "
1886 "%u inst, %u bundles, %u quadwords, "
1887 "%u registers, %u threads, 0 loops, 0:0 spills:fills\n\n\n",
1889 shader_type_for_job(type
),
1890 stats
.instruction_count
, stats
.bundle_count
, stats
.quadword_count
,
1891 stats
.work_count
, nr_threads
);
1899 pandecode_texture(mali_ptr u
,
1900 struct pandecode_mapped_memory
*tmem
,
1901 unsigned job_no
, unsigned tex
)
1903 struct mali_texture_descriptor
*PANDECODE_PTR_VAR(t
, tmem
, u
);
1905 pandecode_log("struct mali_texture_descriptor texture_descriptor_%"PRIx64
"_%d_%d = {\n", u
, job_no
, tex
);
1908 struct mali_texture_format f
= t
->format
;
1910 /* See the definiton of enum mali_texture_type */
1912 bool is_cube
= f
.type
== MALI_TEX_CUBE
;
1913 unsigned dimension
= is_cube
? 2 : f
.type
;
1915 pandecode_make_indent();
1917 /* TODO: Are there others? */
1918 bool is_zs
= f
.format
== MALI_Z32_UNORM
;
1920 /* Recall Z/S switched the meaning of linear/tiled .. */
1921 if (is_zs
&& f
.layout
== MALI_TEXTURE_LINEAR
)
1922 pandecode_msg("XXX: depth/stencil cannot be tiled\n");
1924 /* Print the layout. Default is linear; a modifier can denote AFBC or
1925 * u-interleaved/tiled modes */
1927 if (f
.layout
== MALI_TEXTURE_AFBC
)
1928 pandecode_log_cont("afbc");
1929 else if (f
.layout
== MALI_TEXTURE_TILED
)
1930 pandecode_log_cont("tiled");
1931 else if (f
.layout
== MALI_TEXTURE_LINEAR
)
1932 pandecode_log_cont("linear");
1934 pandecode_msg("XXX: invalid texture layout 0x%X\n", f
.layout
);
1936 pandecode_swizzle(t
->swizzle
, f
.format
);
1937 pandecode_log_cont(" ");
1939 /* Distinguish cube/2D with modifier */
1942 pandecode_log_cont("cube ");
1944 pandecode_format_short(f
.format
, f
.srgb
);
1945 pandecode_swizzle(f
.swizzle
, f
.format
);
1947 /* All four width/height/depth/array_size dimensions are present
1948 * regardless of the type of texture, but it is an error to have
1949 * non-zero dimensions for unused dimensions. Verify this. array_size
1950 * can always be set, as can width. */
1952 if (t
->height
&& dimension
< 2)
1953 pandecode_msg("XXX: nonzero height for <2D texture\n");
1955 if (t
->depth
&& dimension
< 3)
1956 pandecode_msg("XXX: nonzero depth for <2D texture\n");
1958 /* Print only the dimensions that are actually there */
1960 pandecode_log_cont(": %d", t
->width
+ 1);
1963 pandecode_log_cont("x%u", t
->height
+ 1);
1966 pandecode_log_cont("x%u", t
->depth
+ 1);
1969 pandecode_log_cont("[%u]", t
->array_size
+ 1);
1972 pandecode_log_cont(" mip %u", t
->levels
);
1974 pandecode_log_cont("\n");
1976 if (f
.unknown1
| f
.zero
) {
1977 pandecode_msg("XXX: texture format zero tripped\n");
1978 pandecode_prop("unknown1 = %" PRId32
, f
.unknown1
);
1979 pandecode_prop("zero = %" PRId32
, f
.zero
);
1983 pandecode_msg("XXX: expected unknown texture bit set\n");
1984 pandecode_prop("unknown2 = %" PRId32
, f
.unknown2
);
1987 if (t
->swizzle_zero
) {
1988 pandecode_msg("XXX: swizzle zero tripped\n");
1989 pandecode_prop("swizzle_zero = %d", t
->swizzle_zero
);
1992 if (t
->unknown3
| t
->unknown3A
| t
->unknown5
| t
->unknown6
| t
->unknown7
) {
1993 pandecode_msg("XXX: texture zero tripped\n");
1994 pandecode_prop("unknown3 = %" PRId16
, t
->unknown3
);
1995 pandecode_prop("unknown3A = %" PRId8
, t
->unknown3A
);
1996 pandecode_prop("unknown5 = 0x%" PRIx32
, t
->unknown5
);
1997 pandecode_prop("unknown6 = 0x%" PRIx32
, t
->unknown6
);
1998 pandecode_prop("unknown7 = 0x%" PRIx32
, t
->unknown7
);
2001 pandecode_log(".payload = {\n");
2004 /* A bunch of bitmap pointers follow.
2005 * We work out the correct number,
2006 * based on the mipmap/cubemap
2007 * properties, but dump extra
2008 * possibilities to futureproof */
2010 int bitmap_count
= t
->levels
+ 1;
2012 /* Miptree for each face */
2013 if (f
.type
== MALI_TEX_CUBE
)
2015 else if (f
.type
== MALI_TEX_3D
&& f
.layout
== MALI_TEXTURE_LINEAR
)
2016 bitmap_count
*= (t
->depth
+ 1);
2018 /* Array of textures */
2019 bitmap_count
*= (t
->array_size
+ 1);
2021 /* Stride for each element */
2022 if (f
.manual_stride
)
2025 mali_ptr
*pointers_and_strides
= pandecode_fetch_gpu_mem(tmem
,
2026 u
+ sizeof(*t
), sizeof(mali_ptr
) * bitmap_count
);
2027 for (int i
= 0; i
< bitmap_count
; ++i
) {
2028 /* How we dump depends if this is a stride or a pointer */
2030 if (f
.manual_stride
&& (i
& 1)) {
2031 /* signed 32-bit snuck in as a 64-bit pointer */
2032 uint64_t stride_set
= pointers_and_strides
[i
];
2033 uint32_t clamped_stride
= stride_set
;
2034 int32_t stride
= clamped_stride
;
2035 assert(stride_set
== clamped_stride
);
2036 pandecode_log("(mali_ptr) %d /* stride */, \n", stride
);
2038 char *a
= pointer_as_memory_reference(pointers_and_strides
[i
]);
2039 pandecode_log("%s, \n", a
);
2045 pandecode_log("},\n");
2048 pandecode_log("};\n");
2051 /* 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 */
2054 pandecode_shader_prop(const char *name
, unsigned claim
, signed truth
, bool fuzzy
)
2063 if ((truth
>= 0) && !fuzzy
) {
2064 pandecode_msg("%s: expected %s = %d, claimed %u\n",
2065 (truth
< claim
) ? "warn" : "XXX",
2066 name
, truth
, claim
);
2067 } else if ((claim
> -truth
) && !fuzzy
) {
2068 pandecode_msg("XXX: expected %s <= %u, claimed %u\n",
2069 name
, -truth
, claim
);
2070 } else if (fuzzy
&& (claim
< truth
))
2071 pandecode_msg("XXX: expected %s >= %u, claimed %u\n",
2072 name
, truth
, claim
);
2074 pandecode_log(".%s = %" PRId16
, name
, claim
);
2077 pandecode_log_cont(" /* %u used */", truth
);
2079 pandecode_log_cont(",\n");
2083 pandecode_blend_shader_disassemble(mali_ptr shader
, int job_no
, int job_type
,
2084 bool is_bifrost
, unsigned gpu_id
)
2086 struct midgard_disasm_stats stats
=
2087 pandecode_shader_disassemble(shader
, job_no
, job_type
, is_bifrost
, gpu_id
);
2089 bool has_texture
= (stats
.texture_count
> 0);
2090 bool has_sampler
= (stats
.sampler_count
> 0);
2091 bool has_attribute
= (stats
.attribute_count
> 0);
2092 bool has_varying
= (stats
.varying_count
> 0);
2093 bool has_uniform
= (stats
.uniform_count
> 0);
2094 bool has_ubo
= (stats
.uniform_buffer_count
> 0);
2096 if (has_texture
|| has_sampler
)
2097 pandecode_msg("XXX: blend shader accessing textures\n");
2099 if (has_attribute
|| has_varying
)
2100 pandecode_msg("XXX: blend shader accessing interstage\n");
2102 if (has_uniform
|| has_ubo
)
2103 pandecode_msg("XXX: blend shader accessing uniforms\n");
2107 pandecode_vertex_tiler_postfix_pre(
2108 const struct mali_vertex_tiler_postfix
*p
,
2109 int job_no
, enum mali_job_type job_type
,
2110 char *suffix
, bool is_bifrost
, unsigned gpu_id
)
2112 struct pandecode_mapped_memory
*attr_mem
;
2114 /* On Bifrost, since the tiler heap (for tiler jobs) and the scratchpad
2115 * are the only things actually needed from the FBD, vertex/tiler jobs
2116 * no longer reference the FBD -- instead, this field points to some
2117 * info about the scratchpad.
2120 struct pandecode_fbd fbd_info
= {
2121 /* Default for Bifrost */
2126 pandecode_log_cont("\t/* %X %/\n", p
->shared_memory
& 1);
2127 pandecode_compute_fbd(p
->shared_memory
& ~1, job_no
);
2128 } else if (p
->shared_memory
& MALI_MFBD
)
2129 fbd_info
= pandecode_mfbd_bfr((u64
) ((uintptr_t) p
->shared_memory
) & FBD_MASK
, job_no
, false, job_type
== JOB_TYPE_COMPUTE
);
2130 else if (job_type
== JOB_TYPE_COMPUTE
)
2131 pandecode_compute_fbd((u64
) (uintptr_t) p
->shared_memory
, job_no
);
2133 fbd_info
= pandecode_sfbd((u64
) (uintptr_t) p
->shared_memory
, job_no
, false, gpu_id
);
2135 int varying_count
= 0, attribute_count
= 0, uniform_count
= 0, uniform_buffer_count
= 0;
2136 int texture_count
= 0, sampler_count
= 0;
2139 struct pandecode_mapped_memory
*smem
= pandecode_find_mapped_gpu_mem_containing(p
->shader
);
2140 struct mali_shader_meta
*PANDECODE_PTR_VAR(s
, smem
, p
->shader
);
2142 /* Disassemble ahead-of-time to get stats. Initialize with
2143 * stats for the missing-shader case so we get validation
2146 struct midgard_disasm_stats info
= {
2149 .attribute_count
= 0,
2153 .uniform_count
= -128,
2154 .uniform_buffer_count
= 0
2157 if (s
->shader
& ~0xF)
2158 info
= pandecode_shader_disassemble(s
->shader
& ~0xF, job_no
, job_type
, is_bifrost
, gpu_id
);
2160 pandecode_log("struct mali_shader_meta shader_meta_%"PRIx64
"_%d%s = {\n", p
->shader
, job_no
, suffix
);
2163 /* Save for dumps */
2164 attribute_count
= s
->attribute_count
;
2165 varying_count
= s
->varying_count
;
2166 texture_count
= s
->texture_count
;
2167 sampler_count
= s
->sampler_count
;
2170 uniform_count
= s
->bifrost2
.uniform_count
;
2171 uniform_buffer_count
= s
->bifrost1
.uniform_buffer_count
;
2173 uniform_count
= s
->midgard1
.uniform_count
;
2174 uniform_buffer_count
= s
->midgard1
.uniform_buffer_count
;
2177 pandecode_shader_address("shader", s
->shader
);
2179 pandecode_shader_prop("texture_count", s
->texture_count
, info
.texture_count
, false);
2180 pandecode_shader_prop("sampler_count", s
->sampler_count
, info
.sampler_count
, false);
2181 pandecode_shader_prop("attribute_count", s
->attribute_count
, info
.attribute_count
, false);
2182 pandecode_shader_prop("varying_count", s
->varying_count
, info
.varying_count
, false);
2183 pandecode_shader_prop("uniform_buffer_count",
2184 uniform_buffer_count
,
2185 info
.uniform_buffer_count
, true);
2188 pandecode_shader_prop("uniform_count",
2190 info
.uniform_count
, false);
2192 pandecode_shader_prop("work_count",
2193 s
->midgard1
.work_count
, info
.work_count
, false);
2197 pandecode_prop("bifrost1.unk1 = 0x%" PRIx32
, s
->bifrost1
.unk1
);
2199 bool helpers
= s
->midgard1
.flags_lo
& MALI_HELPER_INVOCATIONS
;
2200 s
->midgard1
.flags_lo
&= ~MALI_HELPER_INVOCATIONS
;
2202 if (helpers
!= info
.helper_invocations
) {
2203 pandecode_msg("XXX: expected helpers %u but got %u\n",
2204 info
.helper_invocations
, helpers
);
2207 pandecode_log(".midgard1.flags_lo = ");
2208 pandecode_log_decoded_flags(shader_midgard1_flag_lo_info
, s
->midgard1
.flags_lo
);
2209 pandecode_log_cont(",\n");
2211 pandecode_log(".midgard1.flags_hi = ");
2212 pandecode_log_decoded_flags(shader_midgard1_flag_hi_info
, s
->midgard1
.flags_hi
);
2213 pandecode_log_cont(",\n");
2216 if (s
->depth_units
|| s
->depth_factor
) {
2217 pandecode_prop("depth_factor = %f", s
->depth_factor
);
2218 pandecode_prop("depth_units = %f", s
->depth_units
);
2221 if (s
->alpha_coverage
) {
2222 bool invert_alpha_coverage
= s
->alpha_coverage
& 0xFFF0;
2223 uint16_t inverted_coverage
= invert_alpha_coverage
? ~s
->alpha_coverage
: s
->alpha_coverage
;
2225 pandecode_prop("alpha_coverage = %sMALI_ALPHA_COVERAGE(%f)",
2226 invert_alpha_coverage
? "~" : "",
2227 MALI_GET_ALPHA_COVERAGE(inverted_coverage
));
2230 if (s
->unknown2_3
|| s
->unknown2_4
) {
2231 pandecode_log(".unknown2_3 = ");
2233 int unknown2_3
= s
->unknown2_3
;
2234 int unknown2_4
= s
->unknown2_4
;
2236 /* We're not quite sure what these flags mean without the depth test, if anything */
2238 if (unknown2_3
& (MALI_DEPTH_WRITEMASK
| MALI_DEPTH_FUNC_MASK
)) {
2239 const char *func
= pandecode_func(MALI_GET_DEPTH_FUNC(unknown2_3
));
2240 unknown2_3
&= ~MALI_DEPTH_FUNC_MASK
;
2242 pandecode_log_cont("MALI_DEPTH_FUNC(%s) | ", func
);
2245 pandecode_log_decoded_flags(u3_flag_info
, unknown2_3
);
2246 pandecode_log_cont(",\n");
2248 pandecode_log(".unknown2_4 = ");
2249 pandecode_log_decoded_flags(u4_flag_info
, unknown2_4
);
2250 pandecode_log_cont(",\n");
2253 if (s
->stencil_mask_front
|| s
->stencil_mask_back
) {
2254 pandecode_prop("stencil_mask_front = 0x%02X", s
->stencil_mask_front
);
2255 pandecode_prop("stencil_mask_back = 0x%02X", s
->stencil_mask_back
);
2258 pandecode_stencil("front", &s
->stencil_front
);
2259 pandecode_stencil("back", &s
->stencil_back
);
2262 pandecode_log(".bifrost2 = {\n");
2265 pandecode_prop("unk3 = 0x%" PRIx32
, s
->bifrost2
.unk3
);
2266 pandecode_prop("preload_regs = 0x%" PRIx32
, s
->bifrost2
.preload_regs
);
2267 pandecode_prop("uniform_count = %" PRId32
, s
->bifrost2
.uniform_count
);
2268 pandecode_prop("unk4 = 0x%" PRIx32
, s
->bifrost2
.unk4
);
2271 pandecode_log("},\n");
2272 } else if (s
->midgard2
.unknown2_7
) {
2273 pandecode_log(".midgard2 = {\n");
2276 pandecode_prop("unknown2_7 = 0x%" PRIx32
, s
->midgard2
.unknown2_7
);
2278 pandecode_log("},\n");
2282 pandecode_msg("XXX: shader padding tripped\n");
2283 pandecode_prop("padding = 0x%" PRIx32
, s
->padding
);
2287 /* TODO: Blend shaders routing/disasm */
2288 union midgard_blend blend
= s
->blend
;
2289 mali_ptr shader
= pandecode_midgard_blend(&blend
, s
->unknown2_3
& MALI_HAS_BLEND_SHADER
);
2291 pandecode_blend_shader_disassemble(shader
, job_no
, job_type
, false, gpu_id
);
2295 pandecode_log("};\n");
2297 /* MRT blend fields are used whenever MFBD is used, with
2298 * per-RT descriptors */
2300 if (job_type
== JOB_TYPE_TILER
&& p
->shared_memory
& MALI_MFBD
) {
2301 void* blend_base
= (void *) (s
+ 1);
2303 for (unsigned i
= 0; i
< fbd_info
.rt_count
; i
++) {
2304 mali_ptr shader
= 0;
2307 shader
= pandecode_bifrost_blend(blend_base
, job_no
, i
);
2309 shader
= pandecode_midgard_blend_mrt(blend_base
, job_no
, i
);
2312 pandecode_blend_shader_disassemble(shader
, job_no
, job_type
, false, gpu_id
);
2317 pandecode_msg("XXX: missing shader descriptor\n");
2320 struct pandecode_mapped_memory
*fmem
= pandecode_find_mapped_gpu_mem_containing(p
->viewport
);
2321 struct mali_viewport
*PANDECODE_PTR_VAR(f
, fmem
, p
->viewport
);
2323 pandecode_log("struct mali_viewport viewport_%"PRIx64
"_%d%s = {\n", p
->viewport
, job_no
, suffix
);
2326 pandecode_prop("clip_minx = %f", f
->clip_minx
);
2327 pandecode_prop("clip_miny = %f", f
->clip_miny
);
2328 pandecode_prop("clip_minz = %f", f
->clip_minz
);
2329 pandecode_prop("clip_maxx = %f", f
->clip_maxx
);
2330 pandecode_prop("clip_maxy = %f", f
->clip_maxy
);
2331 pandecode_prop("clip_maxz = %f", f
->clip_maxz
);
2333 /* Only the higher coordinates are MALI_POSITIVE scaled */
2335 pandecode_prop("viewport0 = { %d, %d }",
2336 f
->viewport0
[0], f
->viewport0
[1]);
2338 pandecode_prop("viewport1 = { MALI_POSITIVE(%d), MALI_POSITIVE(%d) }",
2339 f
->viewport1
[0] + 1, f
->viewport1
[1] + 1);
2342 pandecode_log("};\n");
2345 unsigned max_attr_index
= 0;
2347 if (p
->attribute_meta
)
2348 max_attr_index
= pandecode_attribute_meta(job_no
, attribute_count
, p
, false, suffix
);
2350 if (p
->attributes
) {
2351 attr_mem
= pandecode_find_mapped_gpu_mem_containing(p
->attributes
);
2352 pandecode_attributes(attr_mem
, p
->attributes
, job_no
, suffix
, max_attr_index
, false, job_type
);
2355 /* Varyings are encoded like attributes but not actually sent; we just
2356 * pass a zero buffer with the right stride/size set, (or whatever)
2357 * since the GPU will write to it itself */
2359 if (p
->varying_meta
) {
2360 varying_count
= pandecode_attribute_meta(job_no
, varying_count
, p
, true, suffix
);
2364 attr_mem
= pandecode_find_mapped_gpu_mem_containing(p
->varyings
);
2366 /* Number of descriptors depends on whether there are
2367 * non-internal varyings */
2369 pandecode_attributes(attr_mem
, p
->varyings
, job_no
, suffix
, varying_count
, true, job_type
);
2372 if (p
->uniform_buffers
) {
2373 if (uniform_buffer_count
)
2374 pandecode_uniform_buffers(p
->uniform_buffers
, uniform_buffer_count
, job_no
);
2376 pandecode_msg("warn: UBOs specified but not referenced\n");
2377 } else if (uniform_buffer_count
)
2378 pandecode_msg("XXX: UBOs referenced but not specified\n");
2380 /* We don't want to actually dump uniforms, but we do need to validate
2381 * that the counts we were given are sane */
2385 pandecode_uniforms(p
->uniforms
, uniform_count
);
2387 pandecode_msg("warn: Uniforms specified but not referenced\n");
2388 } else if (uniform_count
)
2389 pandecode_msg("XXX: Uniforms referenced but not specified\n");
2391 if (p
->texture_trampoline
) {
2392 struct pandecode_mapped_memory
*mmem
= pandecode_find_mapped_gpu_mem_containing(p
->texture_trampoline
);
2395 mali_ptr
*PANDECODE_PTR_VAR(u
, mmem
, p
->texture_trampoline
);
2397 pandecode_log("uint64_t texture_trampoline_%"PRIx64
"_%d[] = {\n", p
->texture_trampoline
, job_no
);
2400 for (int tex
= 0; tex
< texture_count
; ++tex
) {
2401 mali_ptr
*PANDECODE_PTR_VAR(u
, mmem
, p
->texture_trampoline
+ tex
* sizeof(mali_ptr
));
2402 char *a
= pointer_as_memory_reference(*u
);
2403 pandecode_log("%s,\n", a
);
2408 pandecode_log("};\n");
2410 /* Now, finally, descend down into the texture descriptor */
2411 for (unsigned tex
= 0; tex
< texture_count
; ++tex
) {
2412 mali_ptr
*PANDECODE_PTR_VAR(u
, mmem
, p
->texture_trampoline
+ tex
* sizeof(mali_ptr
));
2413 struct pandecode_mapped_memory
*tmem
= pandecode_find_mapped_gpu_mem_containing(*u
);
2415 pandecode_texture(*u
, tmem
, job_no
, tex
);
2420 if (p
->sampler_descriptor
) {
2421 struct pandecode_mapped_memory
*smem
= pandecode_find_mapped_gpu_mem_containing(p
->sampler_descriptor
);
2424 struct mali_sampler_descriptor
*s
;
2426 mali_ptr d
= p
->sampler_descriptor
;
2428 for (int i
= 0; i
< sampler_count
; ++i
) {
2429 s
= pandecode_fetch_gpu_mem(smem
, d
+ sizeof(*s
) * i
, sizeof(*s
));
2431 pandecode_log("struct mali_sampler_descriptor sampler_descriptor_%"PRIx64
"_%d_%d = {\n", d
+ sizeof(*s
) * i
, job_no
, i
);
2434 pandecode_log(".filter_mode = ");
2435 pandecode_log_decoded_flags(sampler_flag_info
, s
->filter_mode
);
2436 pandecode_log_cont(",\n");
2438 pandecode_prop("min_lod = FIXED_16(%f)", DECODE_FIXED_16(s
->min_lod
));
2439 pandecode_prop("max_lod = FIXED_16(%f)", DECODE_FIXED_16(s
->max_lod
));
2442 pandecode_prop("lod_bias = FIXED_16(%f)", DECODE_FIXED_16(s
->lod_bias
));
2444 pandecode_prop("wrap_s = %s", pandecode_wrap_mode(s
->wrap_s
));
2445 pandecode_prop("wrap_t = %s", pandecode_wrap_mode(s
->wrap_t
));
2446 pandecode_prop("wrap_r = %s", pandecode_wrap_mode(s
->wrap_r
));
2448 pandecode_prop("compare_func = %s", pandecode_func(s
->compare_func
));
2450 if (s
->zero
|| s
->zero2
) {
2451 pandecode_msg("XXX: sampler zero tripped\n");
2452 pandecode_prop("zero = 0x%X, 0x%X\n", s
->zero
, s
->zero2
);
2455 pandecode_prop("seamless_cube_map = %d", s
->seamless_cube_map
);
2457 pandecode_prop("border_color = { %f, %f, %f, %f }",
2461 s
->border_color
[3]);
2464 pandecode_log("};\n");
2471 pandecode_vertex_tiler_postfix(const struct mali_vertex_tiler_postfix
*p
, int job_no
, bool is_bifrost
)
2473 if (p
->shader
& 0xF)
2474 pandecode_msg("warn: shader tagged %X\n", (unsigned) (p
->shader
& 0xF));
2476 if (!(p
->position_varying
|| p
->occlusion_counter
))
2479 pandecode_log(".postfix = {\n");
2482 MEMORY_PROP(p
, position_varying
);
2483 MEMORY_PROP(p
, occlusion_counter
);
2486 pandecode_log("},\n");
2490 pandecode_vertex_only_bfr(struct bifrost_vertex_only
*v
)
2492 pandecode_log_cont("{\n");
2495 pandecode_prop("unk2 = 0x%x", v
->unk2
);
2497 if (v
->zero0
|| v
->zero1
) {
2498 pandecode_msg("XXX: vertex only zero tripped");
2499 pandecode_prop("zero0 = 0x%" PRIx32
, v
->zero0
);
2500 pandecode_prop("zero1 = 0x%" PRIx64
, v
->zero1
);
2504 pandecode_log("}\n");
2508 pandecode_tiler_heap_meta(mali_ptr gpu_va
, int job_no
)
2511 struct pandecode_mapped_memory
*mem
= pandecode_find_mapped_gpu_mem_containing(gpu_va
);
2512 const struct bifrost_tiler_heap_meta
*PANDECODE_PTR_VAR(h
, mem
, gpu_va
);
2514 pandecode_log("struct mali_tiler_heap_meta tiler_heap_meta_%d = {\n", job_no
);
2518 pandecode_msg("XXX: tiler heap zero tripped\n");
2519 pandecode_prop("zero = 0x%x", h
->zero
);
2522 for (int i
= 0; i
< 12; i
++) {
2523 if (h
->zeros
[i
] != 0) {
2524 pandecode_msg("XXX: tiler heap zero %d tripped, value %x\n",
2529 pandecode_prop("heap_size = 0x%x", h
->heap_size
);
2530 MEMORY_PROP(h
, tiler_heap_start
);
2531 MEMORY_PROP(h
, tiler_heap_free
);
2533 /* this might point to the beginning of another buffer, when it's
2534 * really the end of the tiler heap buffer, so we have to be careful
2535 * here. but for zero length, we need the same pointer.
2538 if (h
->tiler_heap_end
== h
->tiler_heap_start
) {
2539 MEMORY_PROP(h
, tiler_heap_start
);
2541 char *a
= pointer_as_memory_reference(h
->tiler_heap_end
- 1);
2542 pandecode_prop("tiler_heap_end = %s + 1", a
);
2547 pandecode_log("};\n");
2551 pandecode_tiler_meta(mali_ptr gpu_va
, int job_no
)
2553 struct pandecode_mapped_memory
*mem
= pandecode_find_mapped_gpu_mem_containing(gpu_va
);
2554 const struct bifrost_tiler_meta
*PANDECODE_PTR_VAR(t
, mem
, gpu_va
);
2556 pandecode_tiler_heap_meta(t
->tiler_heap_meta
, job_no
);
2558 pandecode_log("struct bifrost_tiler_meta tiler_meta_%d = {\n", job_no
);
2561 if (t
->zero0
|| t
->zero1
) {
2562 pandecode_msg("XXX: tiler meta zero tripped\n");
2563 pandecode_prop("zero0 = 0x%" PRIx64
, t
->zero0
);
2564 pandecode_prop("zero1 = 0x%" PRIx64
, t
->zero1
);
2567 pandecode_prop("hierarchy_mask = 0x%" PRIx16
, t
->hierarchy_mask
);
2568 pandecode_prop("flags = 0x%" PRIx16
, t
->flags
);
2570 pandecode_prop("width = MALI_POSITIVE(%d)", t
->width
+ 1);
2571 pandecode_prop("height = MALI_POSITIVE(%d)", t
->height
+ 1);
2573 for (int i
= 0; i
< 12; i
++) {
2574 if (t
->zeros
[i
] != 0) {
2575 pandecode_msg("XXX: tiler heap zero %d tripped, value %" PRIx64
"\n",
2581 pandecode_log("};\n");
2585 pandecode_gl_enables(uint32_t gl_enables
, int job_type
)
2587 pandecode_log(".gl_enables = ");
2589 pandecode_log_decoded_flags(gl_enable_flag_info
, gl_enables
);
2591 pandecode_log_cont(",\n");
2595 pandecode_primitive_size(union midgard_primitive_size u
, bool constant
)
2597 if (u
.pointer
== 0x0)
2600 pandecode_log(".primitive_size = {\n");
2604 pandecode_prop("constant = %f", u
.constant
);
2606 MEMORY_PROP((&u
), pointer
);
2610 pandecode_log("},\n");
2614 pandecode_tiler_only_bfr(const struct bifrost_tiler_only
*t
, int job_no
)
2616 pandecode_log_cont("{\n");
2619 /* TODO: gl_PointSize on Bifrost */
2620 pandecode_primitive_size(t
->primitive_size
, true);
2622 pandecode_gl_enables(t
->gl_enables
, JOB_TYPE_TILER
);
2624 if (t
->zero1
|| t
->zero2
|| t
->zero3
|| t
->zero4
|| t
->zero5
2625 || t
->zero6
|| t
->zero7
|| t
->zero8
) {
2626 pandecode_msg("XXX: tiler only zero tripped\n");
2627 pandecode_prop("zero1 = 0x%" PRIx64
, t
->zero1
);
2628 pandecode_prop("zero2 = 0x%" PRIx64
, t
->zero2
);
2629 pandecode_prop("zero3 = 0x%" PRIx64
, t
->zero3
);
2630 pandecode_prop("zero4 = 0x%" PRIx64
, t
->zero4
);
2631 pandecode_prop("zero5 = 0x%" PRIx64
, t
->zero5
);
2632 pandecode_prop("zero6 = 0x%" PRIx64
, t
->zero6
);
2633 pandecode_prop("zero7 = 0x%" PRIx32
, t
->zero7
);
2634 pandecode_prop("zero8 = 0x%" PRIx64
, t
->zero8
);
2638 pandecode_log("},\n");
2642 pandecode_vertex_job_bfr(const struct mali_job_descriptor_header
*h
,
2643 const struct pandecode_mapped_memory
*mem
,
2644 mali_ptr payload
, int job_no
, unsigned gpu_id
)
2646 struct bifrost_payload_vertex
*PANDECODE_PTR_VAR(v
, mem
, payload
);
2648 pandecode_vertex_tiler_postfix_pre(&v
->postfix
, job_no
, h
->job_type
, "", true, gpu_id
);
2650 pandecode_log("struct bifrost_payload_vertex payload_%d = {\n", job_no
);
2653 pandecode_log(".prefix = ");
2654 pandecode_vertex_tiler_prefix(&v
->prefix
, job_no
, false);
2656 pandecode_log(".vertex = ");
2657 pandecode_vertex_only_bfr(&v
->vertex
);
2659 pandecode_vertex_tiler_postfix(&v
->postfix
, job_no
, true);
2662 pandecode_log("};\n");
2668 pandecode_tiler_job_bfr(const struct mali_job_descriptor_header
*h
,
2669 const struct pandecode_mapped_memory
*mem
,
2670 mali_ptr payload
, int job_no
, unsigned gpu_id
)
2672 struct bifrost_payload_tiler
*PANDECODE_PTR_VAR(t
, mem
, payload
);
2674 pandecode_vertex_tiler_postfix_pre(&t
->postfix
, job_no
, h
->job_type
, "", true, gpu_id
);
2675 pandecode_tiler_meta(t
->tiler
.tiler_meta
, job_no
);
2677 pandecode_log("struct bifrost_payload_tiler payload_%d = {\n", job_no
);
2680 pandecode_log(".prefix = ");
2681 pandecode_vertex_tiler_prefix(&t
->prefix
, job_no
, false);
2683 pandecode_log(".tiler = ");
2684 pandecode_tiler_only_bfr(&t
->tiler
, job_no
);
2686 pandecode_vertex_tiler_postfix(&t
->postfix
, job_no
, true);
2689 pandecode_log("};\n");
2695 pandecode_vertex_or_tiler_job_mdg(const struct mali_job_descriptor_header
*h
,
2696 const struct pandecode_mapped_memory
*mem
,
2697 mali_ptr payload
, int job_no
, unsigned gpu_id
)
2699 struct midgard_payload_vertex_tiler
*PANDECODE_PTR_VAR(v
, mem
, payload
);
2701 pandecode_vertex_tiler_postfix_pre(&v
->postfix
, job_no
, h
->job_type
, "", false, gpu_id
);
2703 pandecode_log("struct midgard_payload_vertex_tiler payload_%d = {\n", job_no
);
2706 bool has_primitive_pointer
= v
->prefix
.unknown_draw
& MALI_DRAW_VARYING_SIZE
;
2707 pandecode_primitive_size(v
->primitive_size
, !has_primitive_pointer
);
2709 bool is_graphics
= (h
->job_type
== JOB_TYPE_VERTEX
) || (h
->job_type
== JOB_TYPE_TILER
);
2711 pandecode_log(".prefix = ");
2712 pandecode_vertex_tiler_prefix(&v
->prefix
, job_no
, is_graphics
);
2714 pandecode_gl_enables(v
->gl_enables
, h
->job_type
);
2716 if (v
->instance_shift
|| v
->instance_odd
) {
2717 pandecode_prop("instance_shift = 0x%d /* %d */",
2718 v
->instance_shift
, 1 << v
->instance_shift
);
2719 pandecode_prop("instance_odd = 0x%X /* %d */",
2720 v
->instance_odd
, (2 * v
->instance_odd
) + 1);
2722 pandecode_padded_vertices(v
->instance_shift
, v
->instance_odd
);
2725 if (v
->offset_start
)
2726 pandecode_prop("offset_start = %d", v
->offset_start
);
2729 pandecode_msg("XXX: midgard payload zero tripped\n");
2730 pandecode_prop("zero5 = 0x%" PRIx64
, v
->zero5
);
2733 pandecode_vertex_tiler_postfix(&v
->postfix
, job_no
, false);
2736 pandecode_log("};\n");
2742 pandecode_fragment_job(const struct pandecode_mapped_memory
*mem
,
2743 mali_ptr payload
, int job_no
,
2744 bool is_bifrost
, unsigned gpu_id
)
2746 const struct mali_payload_fragment
*PANDECODE_PTR_VAR(s
, mem
, payload
);
2748 bool is_mfbd
= s
->framebuffer
& MALI_MFBD
;
2750 if (!is_mfbd
&& is_bifrost
)
2751 pandecode_msg("XXX: Bifrost fragment must use MFBD\n");
2753 struct pandecode_fbd info
;
2756 info
= pandecode_mfbd_bfr(s
->framebuffer
& FBD_MASK
, job_no
, true, false);
2758 info
= pandecode_sfbd(s
->framebuffer
& FBD_MASK
, job_no
, true, gpu_id
);
2760 /* Compute the tag for the tagged pointer. This contains the type of
2761 * FBD (MFBD/SFBD), and in the case of an MFBD, information about which
2762 * additional structures follow the MFBD header (an extra payload or
2763 * not, as well as a count of render targets) */
2765 unsigned expected_tag
= is_mfbd
? MALI_MFBD
: 0;
2769 expected_tag
|= MALI_MFBD_TAG_EXTRA
;
2771 expected_tag
|= (MALI_POSITIVE(info
.rt_count
) << 2);
2774 if ((s
->min_tile_coord
| s
->max_tile_coord
) & ~(MALI_X_COORD_MASK
| MALI_Y_COORD_MASK
)) {
2775 pandecode_msg("XXX: unexpected tile coordinate bits\n");
2776 pandecode_prop("min_tile_coord = 0x%X\n", s
->min_tile_coord
);
2777 pandecode_prop("max_tile_coord = 0x%X\n", s
->min_tile_coord
);
2780 /* Extract tile coordinates */
2782 unsigned min_x
= MALI_TILE_COORD_X(s
->min_tile_coord
) << MALI_TILE_SHIFT
;
2783 unsigned min_y
= MALI_TILE_COORD_Y(s
->min_tile_coord
) << MALI_TILE_SHIFT
;
2785 unsigned max_x
= (MALI_TILE_COORD_X(s
->max_tile_coord
) + 1) << MALI_TILE_SHIFT
;
2786 unsigned max_y
= (MALI_TILE_COORD_Y(s
->max_tile_coord
) + 1) << MALI_TILE_SHIFT
;
2788 /* For the max, we also want the floored (rather than ceiled) version for checking */
2790 unsigned max_x_f
= (MALI_TILE_COORD_X(s
->max_tile_coord
)) << MALI_TILE_SHIFT
;
2791 unsigned max_y_f
= (MALI_TILE_COORD_Y(s
->max_tile_coord
)) << MALI_TILE_SHIFT
;
2793 /* Validate the coordinates are well-ordered */
2796 pandecode_msg("XXX: empty X coordinates (%u = %u)\n", min_x
, max_x
);
2797 else if (min_x
> max_x
)
2798 pandecode_msg("XXX: misordered X coordinates (%u > %u)\n", min_x
, max_x
);
2801 pandecode_msg("XXX: empty X coordinates (%u = %u)\n", min_x
, max_x
);
2802 else if (min_y
> max_y
)
2803 pandecode_msg("XXX: misordered X coordinates (%u > %u)\n", min_x
, max_x
);
2805 /* Validate the coordinates fit inside the framebuffer. We use floor,
2806 * rather than ceil, for the max coordinates, since the tile
2807 * coordinates for something like an 800x600 framebuffer will actually
2808 * resolve to 800x608, which would otherwise trigger a Y-overflow */
2810 if ((min_x
> info
.width
) || (max_x_f
> info
.width
))
2811 pandecode_msg("XXX: tile coordinates overflow in X direction\n");
2813 if ((min_y
> info
.height
) || (max_y_f
> info
.height
))
2814 pandecode_msg("XXX: tile coordinates overflow in Y direction\n");
2816 /* After validation, we print */
2818 pandecode_log("fragment (%u, %u) ... (%u, %u)\n\n", min_x
, min_y
, max_x
, max_y
);
2820 /* The FBD is a tagged pointer */
2822 unsigned tag
= (s
->framebuffer
& ~FBD_MASK
);
2824 if (tag
!= expected_tag
)
2825 pandecode_msg("XXX: expected FBD tag %X but got %X\n", expected_tag
, tag
);
2830 /* Entrypoint to start tracing. jc_gpu_va is the GPU address for the first job
2831 * in the chain; later jobs are found by walking the chain. Bifrost is, well,
2832 * if it's bifrost or not. GPU ID is the more finegrained ID (at some point, we
2833 * might wish to combine this with the bifrost parameter) because some details
2834 * are model-specific even within a particular architecture. Minimal traces
2835 * *only* examine the job descriptors, skipping printing entirely if there is
2836 * no faults, and only descends into the payload if there are faults. This is
2837 * useful for looking for faults without the overhead of invasive traces. */
2840 pandecode_jc(mali_ptr jc_gpu_va
, bool bifrost
, unsigned gpu_id
, bool minimal
)
2842 struct mali_job_descriptor_header
*h
;
2843 unsigned job_descriptor_number
= 0;
2846 struct pandecode_mapped_memory
*mem
=
2847 pandecode_find_mapped_gpu_mem_containing(jc_gpu_va
);
2851 h
= PANDECODE_PTR(mem
, jc_gpu_va
, struct mali_job_descriptor_header
);
2853 /* On Midgard, for 32-bit jobs except for fragment jobs, the
2854 * high 32-bits of the 64-bit pointer are reused to store
2857 int offset
= h
->job_descriptor_size
== MALI_JOB_32
&&
2858 h
->job_type
!= JOB_TYPE_FRAGMENT
? 4 : 0;
2859 mali_ptr payload_ptr
= jc_gpu_va
+ sizeof(*h
) - offset
;
2861 payload
= pandecode_fetch_gpu_mem(mem
, payload_ptr
, 256);
2863 int job_no
= job_descriptor_number
++;
2865 /* If the job is good to go, skip it in minimal mode */
2866 if (minimal
&& (h
->exception_status
== 0x0 || h
->exception_status
== 0x1))
2869 pandecode_log("struct mali_job_descriptor_header job_%"PRIx64
"_%d = {\n", jc_gpu_va
, job_no
);
2872 pandecode_prop("job_type = %s", pandecode_job_type(h
->job_type
));
2874 if (h
->job_descriptor_size
)
2875 pandecode_prop("job_descriptor_size = %d", h
->job_descriptor_size
);
2877 if (h
->exception_status
&& h
->exception_status
!= 0x1)
2878 pandecode_prop("exception_status = %x (source ID: 0x%x access: %s exception: 0x%x)",
2879 h
->exception_status
,
2880 (h
->exception_status
>> 16) & 0xFFFF,
2881 pandecode_exception_access((h
->exception_status
>> 8) & 0x3),
2882 h
->exception_status
& 0xFF);
2884 if (h
->first_incomplete_task
)
2885 pandecode_prop("first_incomplete_task = %d", h
->first_incomplete_task
);
2887 if (h
->fault_pointer
)
2888 pandecode_prop("fault_pointer = 0x%" PRIx64
, h
->fault_pointer
);
2891 pandecode_prop("job_barrier = %d", h
->job_barrier
);
2893 pandecode_prop("job_index = %d", h
->job_index
);
2895 if (h
->unknown_flags
)
2896 pandecode_prop("unknown_flags = %d", h
->unknown_flags
);
2898 if (h
->job_dependency_index_1
)
2899 pandecode_prop("job_dependency_index_1 = %d", h
->job_dependency_index_1
);
2901 if (h
->job_dependency_index_2
)
2902 pandecode_prop("job_dependency_index_2 = %d", h
->job_dependency_index_2
);
2905 pandecode_log("};\n");
2907 switch (h
->job_type
) {
2908 case JOB_TYPE_WRITE_VALUE
: {
2909 struct mali_payload_write_value
*s
= payload
;
2910 pandecode_log("struct mali_payload_write_value payload_%"PRIx64
"_%d = {\n", payload_ptr
, job_no
);
2912 MEMORY_PROP(s
, address
);
2914 if (s
->value_descriptor
!= MALI_WRITE_VALUE_ZERO
) {
2915 pandecode_msg("XXX: unknown value descriptor\n");
2916 pandecode_prop("value_descriptor = 0x%" PRIX32
, s
->value_descriptor
);
2920 pandecode_msg("XXX: set value tripped\n");
2921 pandecode_prop("reserved = 0x%" PRIX32
, s
->reserved
);
2924 pandecode_prop("immediate = 0x%" PRIX64
, s
->immediate
);
2926 pandecode_log("};\n");
2931 case JOB_TYPE_TILER
:
2932 case JOB_TYPE_VERTEX
:
2933 case JOB_TYPE_COMPUTE
:
2935 if (h
->job_type
== JOB_TYPE_TILER
)
2936 pandecode_tiler_job_bfr(h
, mem
, payload_ptr
, job_no
, gpu_id
);
2938 pandecode_vertex_job_bfr(h
, mem
, payload_ptr
, job_no
, gpu_id
);
2940 pandecode_vertex_or_tiler_job_mdg(h
, mem
, payload_ptr
, job_no
, gpu_id
);
2944 case JOB_TYPE_FRAGMENT
:
2945 pandecode_fragment_job(mem
, payload_ptr
, job_no
, bifrost
, gpu_id
);
2951 } while ((jc_gpu_va
= h
->next_job
));