2 * Copyright (C) 2017-2019 Alyssa Rosenzweig
3 * Copyright (C) 2017-2019 Connor Abbott
4 * Copyright (C) 2019 Collabora, Ltd.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
26 #include <midgard_pack.h>
34 #include "util/macros.h"
35 #include "util/u_math.h"
37 #include "midgard/disassemble.h"
38 #include "bifrost/disassemble.h"
40 #include "pan_encoder.h"
42 static void pandecode_swizzle(unsigned swizzle
, enum mali_format format
);
44 #define MEMORY_PROP(obj, p) {\
46 char *a = pointer_as_memory_reference(obj->p); \
47 pandecode_prop("%s = %s", #p, a); \
52 #define MEMORY_PROP_DIR(obj, p) {\
54 char *a = pointer_as_memory_reference(obj.p); \
55 pandecode_prop("%s = %s", #p, a); \
60 #define DUMP_CL(title, T, cl, indent) {\
61 fprintf(pandecode_dump_stream, "%s\n", title); \
62 struct MALI_ ## T temp; \
63 MALI_ ## T ## _unpack((const uint8_t *) cl, &temp); \
64 MALI_ ## T ## _print(pandecode_dump_stream, &temp, indent * 2); \
67 #define MAP_ADDR(T, addr, cl) \
68 const uint8_t *cl = 0; \
70 struct pandecode_mapped_memory *mapped_mem = pandecode_find_mapped_gpu_mem_containing(addr); \
71 cl = pandecode_fetch_gpu_mem(mapped_mem, addr, MALI_ ## T ## _LENGTH); \
74 #define DUMP_ADDR(title, T, addr, indent) {\
75 MAP_ADDR(T, addr, cl) \
76 DUMP_CL(title, T, cl, indent); \
79 FILE *pandecode_dump_stream
;
81 /* Semantic logging type.
83 * Raw: for raw messages to be printed as is.
84 * Message: for helpful information to be commented out in replays.
85 * Property: for properties of a struct
87 * Use one of pandecode_log, pandecode_msg, or pandecode_prop as syntax sugar.
90 enum pandecode_log_type
{
96 #define pandecode_log(...) pandecode_log_typed(PANDECODE_RAW, __VA_ARGS__)
97 #define pandecode_msg(...) pandecode_log_typed(PANDECODE_MESSAGE, __VA_ARGS__)
98 #define pandecode_prop(...) pandecode_log_typed(PANDECODE_PROPERTY, __VA_ARGS__)
100 unsigned pandecode_indent
= 0;
103 pandecode_make_indent(void)
105 for (unsigned i
= 0; i
< pandecode_indent
; ++i
)
106 fprintf(pandecode_dump_stream
, " ");
110 pandecode_log_typed(enum pandecode_log_type type
, const char *format
, ...)
114 pandecode_make_indent();
116 if (type
== PANDECODE_MESSAGE
)
117 fprintf(pandecode_dump_stream
, "// ");
118 else if (type
== PANDECODE_PROPERTY
)
119 fprintf(pandecode_dump_stream
, ".");
121 va_start(ap
, format
);
122 vfprintf(pandecode_dump_stream
, format
, ap
);
125 if (type
== PANDECODE_PROPERTY
)
126 fprintf(pandecode_dump_stream
, ",\n");
130 pandecode_log_cont(const char *format
, ...)
134 va_start(ap
, format
);
135 vfprintf(pandecode_dump_stream
, format
, ap
);
139 /* To check for memory safety issues, validates that the given pointer in GPU
140 * memory is valid, containing at least sz bytes. The goal is to eliminate
141 * GPU-side memory bugs (NULL pointer dereferences, buffer overflows, or buffer
142 * overruns) by statically validating pointers.
146 pandecode_validate_buffer(mali_ptr addr
, size_t sz
)
149 pandecode_msg("XXX: null pointer deref");
155 struct pandecode_mapped_memory
*bo
=
156 pandecode_find_mapped_gpu_mem_containing(addr
);
159 pandecode_msg("XXX: invalid memory dereference\n");
165 unsigned offset
= addr
- bo
->gpu_va
;
166 unsigned total
= offset
+ sz
;
168 if (total
> bo
->length
) {
169 pandecode_msg("XXX: buffer overrun. "
170 "Chunk of size %zu at offset %d in buffer of size %zu. "
171 "Overrun by %zu bytes. \n",
172 sz
, offset
, bo
->length
, total
- bo
->length
);
177 struct pandecode_flag_info
{
183 pandecode_log_decoded_flags(const struct pandecode_flag_info
*flag_info
,
186 bool decodable_flags_found
= false;
188 for (int i
= 0; flag_info
[i
].name
; i
++) {
189 if ((flags
& flag_info
[i
].flag
) != flag_info
[i
].flag
)
192 if (!decodable_flags_found
) {
193 decodable_flags_found
= true;
195 pandecode_log_cont(" | ");
198 pandecode_log_cont("%s", flag_info
[i
].name
);
200 flags
&= ~flag_info
[i
].flag
;
203 if (decodable_flags_found
) {
205 pandecode_log_cont(" | 0x%" PRIx64
, flags
);
207 pandecode_log_cont("0x%" PRIx64
, flags
);
211 #define FLAG_INFO(flag) { MALI_CLEAR_##flag, "MALI_CLEAR_" #flag }
212 static const struct pandecode_flag_info clear_flag_info
[] = {
215 FLAG_INFO(SLOW_STENCIL
),
220 #define FLAG_INFO(flag) { MALI_MFBD_FORMAT_##flag, "MALI_MFBD_FORMAT_" #flag }
221 static const struct pandecode_flag_info mfbd_fmt_flag_info
[] = {
227 #define FLAG_INFO(flag) { MALI_AFBC_##flag, "MALI_AFBC_" #flag }
228 static const struct pandecode_flag_info afbc_fmt_flag_info
[] = {
234 #define FLAG_INFO(flag) { MALI_EXTRA_##flag, "MALI_EXTRA_" #flag }
235 static const struct pandecode_flag_info mfbd_extra_flag_hi_info
[] = {
241 #define FLAG_INFO(flag) { MALI_EXTRA_##flag, "MALI_EXTRA_" #flag }
242 static const struct pandecode_flag_info mfbd_extra_flag_lo_info
[] = {
248 #define FLAG_INFO(flag) { MALI_MFBD_##flag, "MALI_MFBD_" #flag }
249 static const struct pandecode_flag_info mfbd_flag_info
[] = {
250 FLAG_INFO(DEPTH_WRITE
),
256 #define FLAG_INFO(flag) { MALI_SFBD_FORMAT_##flag, "MALI_SFBD_FORMAT_" #flag }
257 static const struct pandecode_flag_info sfbd_unk1_info
[] = {
264 #define FLAG_INFO(flag) { MALI_SFBD_FORMAT_##flag, "MALI_SFBD_FORMAT_" #flag }
265 static const struct pandecode_flag_info sfbd_unk2_info
[] = {
272 /* Midgard's tiler descriptor is embedded within the
276 pandecode_midgard_tiler_descriptor(
277 const struct midgard_tiler_descriptor
*t
,
283 pandecode_log(".tiler = {\n");
286 if (t
->hierarchy_mask
== MALI_TILER_DISABLED
)
287 pandecode_prop("hierarchy_mask = MALI_TILER_DISABLED");
289 pandecode_prop("hierarchy_mask = 0x%" PRIx16
, t
->hierarchy_mask
);
291 /* We know this name from the kernel, but we never see it nonzero */
294 pandecode_msg("XXX: unexpected tiler flags 0x%" PRIx16
, t
->flags
);
296 MEMORY_PROP(t
, polygon_list
);
298 /* The body is offset from the base of the polygon list */
299 //assert(t->polygon_list_body > t->polygon_list);
300 unsigned body_offset
= t
->polygon_list_body
- t
->polygon_list
;
302 /* It needs to fit inside the reported size */
303 //assert(t->polygon_list_size >= body_offset);
305 /* Now that we've sanity checked, we'll try to calculate the sizes
306 * ourselves for comparison */
308 unsigned ref_header
= panfrost_tiler_header_size(width
, height
, t
->hierarchy_mask
, has_hierarchy
);
309 unsigned ref_size
= panfrost_tiler_full_size(width
, height
, t
->hierarchy_mask
, has_hierarchy
);
311 if (!((ref_header
== body_offset
) && (ref_size
== t
->polygon_list_size
))) {
312 pandecode_msg("XXX: bad polygon list size (expected %d / 0x%x)\n",
313 ref_header
, ref_size
);
314 pandecode_prop("polygon_list_size = 0x%x", t
->polygon_list_size
);
315 pandecode_msg("body offset %d\n", body_offset
);
318 /* The tiler heap has a start and end specified -- it should be
319 * identical to what we have in the BO. The exception is if tiling is
322 MEMORY_PROP(t
, heap_start
);
323 assert(t
->heap_end
>= t
->heap_start
);
325 unsigned heap_size
= t
->heap_end
- t
->heap_start
;
327 /* Tiling is enabled with a special flag */
328 unsigned hierarchy_mask
= t
->hierarchy_mask
& MALI_HIERARCHY_MASK
;
329 unsigned tiler_flags
= t
->hierarchy_mask
^ hierarchy_mask
;
331 bool tiling_enabled
= hierarchy_mask
;
333 if (tiling_enabled
) {
334 /* We should also have no other flags */
336 pandecode_msg("XXX: unexpected tiler %X\n", tiler_flags
);
338 /* When tiling is disabled, we should have that flag and no others */
340 if (tiler_flags
!= MALI_TILER_DISABLED
) {
341 pandecode_msg("XXX: unexpected tiler flag %X, expected MALI_TILER_DISABLED\n",
345 /* We should also have an empty heap */
347 pandecode_msg("XXX: tiler heap size %d given, expected empty\n",
351 /* Disabled tiling is used only for clear-only jobs, which are
352 * purely FRAGMENT, so we should never see this for
353 * non-FRAGMENT descriptors. */
356 pandecode_msg("XXX: tiler disabled for non-FRAGMENT job\n");
359 /* We've never seen weights used in practice, but we know from the
360 * kernel these fields is there */
362 bool nonzero_weights
= false;
364 for (unsigned w
= 0; w
< ARRAY_SIZE(t
->weights
); ++w
) {
365 nonzero_weights
|= t
->weights
[w
] != 0x0;
368 if (nonzero_weights
) {
369 pandecode_log(".weights = { ");
371 for (unsigned w
= 0; w
< ARRAY_SIZE(t
->weights
); ++w
) {
372 pandecode_log_cont("%d, ", t
->weights
[w
]);
379 pandecode_log("}\n");
382 /* TODO: The Bifrost tiler is not understood at all yet */
385 pandecode_bifrost_tiler_descriptor(const struct mali_framebuffer
*fb
)
387 pandecode_log(".tiler = {\n");
390 MEMORY_PROP(fb
, tiler_meta
);
392 for (int i
= 0; i
< 16; i
++) {
393 if (fb
->zeros
[i
] != 0) {
394 pandecode_msg("XXX: tiler descriptor zero %d tripped, value %x\n",
399 pandecode_log("},\n");
402 pandecode_log("}\n");
406 /* Information about the framebuffer passed back for
407 * additional analysis */
409 struct pandecode_fbd
{
417 pandecode_sfbd_format(struct mali_sfbd_format format
)
419 pandecode_log(".format = {\n");
422 pandecode_log(".unk1 = ");
423 pandecode_log_decoded_flags(sfbd_unk1_info
, format
.unk1
);
424 pandecode_log_cont(",\n");
426 /* TODO: Map formats so we can check swizzles and print nicely */
427 pandecode_log("swizzle");
428 pandecode_swizzle(format
.swizzle
, MALI_RGBA8_UNORM
);
429 pandecode_log_cont(",\n");
431 pandecode_prop("nr_channels = MALI_POSITIVE(%d)",
432 (format
.nr_channels
+ 1));
434 pandecode_log(".unk2 = ");
435 pandecode_log_decoded_flags(sfbd_unk2_info
, format
.unk2
);
436 pandecode_log_cont(",\n");
438 pandecode_prop("block = %s", mali_block_format_as_str(format
.block
));
440 pandecode_prop("unk3 = 0x%" PRIx32
, format
.unk3
);
443 pandecode_log("},\n");
447 pandecode_shared_memory(const struct mali_shared_memory
*desc
, bool is_compute
)
449 pandecode_prop("stack_shift = 0x%x", desc
->stack_shift
);
452 pandecode_prop("unk0 = 0x%x", desc
->unk0
);
454 if (desc
->shared_workgroup_count
!= 0x1F) {
455 pandecode_prop("shared_workgroup_count = %d", desc
->shared_workgroup_count
);
457 pandecode_msg("XXX: wrong workgroup count for noncompute\n");
460 if (desc
->shared_unk1
|| desc
->shared_shift
) {
461 pandecode_prop("shared_unk1 = %X", desc
->shared_unk1
);
462 pandecode_prop("shared_shift = %X", desc
->shared_shift
);
465 pandecode_msg("XXX: shared memory configured in noncompute shader");
468 if (desc
->shared_zero
) {
469 pandecode_msg("XXX: shared memory zero tripped\n");
470 pandecode_prop("shared_zero = 0x%" PRIx32
, desc
->shared_zero
);
473 if (desc
->shared_memory
&& !is_compute
)
474 pandecode_msg("XXX: shared memory used in noncompute shader\n");
476 MEMORY_PROP(desc
, scratchpad
);
477 MEMORY_PROP(desc
, shared_memory
);
478 MEMORY_PROP(desc
, unknown1
);
481 static struct pandecode_fbd
482 pandecode_sfbd(uint64_t gpu_va
, int job_no
, bool is_fragment
, unsigned gpu_id
)
484 struct pandecode_mapped_memory
*mem
= pandecode_find_mapped_gpu_mem_containing(gpu_va
);
485 const struct mali_single_framebuffer
*PANDECODE_PTR_VAR(s
, mem
, (mali_ptr
) gpu_va
);
487 struct pandecode_fbd info
= {
492 pandecode_log("struct mali_single_framebuffer framebuffer_%"PRIx64
"_%d = {\n", gpu_va
, job_no
);
495 pandecode_log(".shared_memory = {\n");
497 pandecode_shared_memory(&s
->shared_memory
, false);
499 pandecode_log("},\n");
501 pandecode_sfbd_format(s
->format
);
503 info
.width
= s
->width
+ 1;
504 info
.height
= s
->height
+ 1;
506 pandecode_prop("width = MALI_POSITIVE(%" PRId16
")", info
.width
);
507 pandecode_prop("height = MALI_POSITIVE(%" PRId16
")", info
.height
);
509 MEMORY_PROP(s
, checksum
);
511 if (s
->checksum_stride
)
512 pandecode_prop("checksum_stride = %d", s
->checksum_stride
);
514 MEMORY_PROP(s
, framebuffer
);
515 pandecode_prop("stride = %d", s
->stride
);
517 /* Earlier in the actual commandstream -- right before width -- but we
518 * delay to flow nicer */
520 pandecode_log(".clear_flags = ");
521 pandecode_log_decoded_flags(clear_flag_info
, s
->clear_flags
);
522 pandecode_log_cont(",\n");
524 if (s
->depth_buffer
) {
525 MEMORY_PROP(s
, depth_buffer
);
526 pandecode_prop("depth_stride = %d", s
->depth_stride
);
529 if (s
->stencil_buffer
) {
530 MEMORY_PROP(s
, stencil_buffer
);
531 pandecode_prop("stencil_stride = %d", s
->stencil_stride
);
534 if (s
->depth_stride_zero
||
535 s
->stencil_stride_zero
||
536 s
->zero7
|| s
->zero8
) {
537 pandecode_msg("XXX: Depth/stencil zeros tripped\n");
538 pandecode_prop("depth_stride_zero = 0x%x",
539 s
->depth_stride_zero
);
540 pandecode_prop("stencil_stride_zero = 0x%x",
541 s
->stencil_stride_zero
);
542 pandecode_prop("zero7 = 0x%" PRIx32
,
544 pandecode_prop("zero8 = 0x%" PRIx32
,
548 if (s
->clear_color_1
| s
->clear_color_2
| s
->clear_color_3
| s
->clear_color_4
) {
549 pandecode_prop("clear_color_1 = 0x%" PRIx32
, s
->clear_color_1
);
550 pandecode_prop("clear_color_2 = 0x%" PRIx32
, s
->clear_color_2
);
551 pandecode_prop("clear_color_3 = 0x%" PRIx32
, s
->clear_color_3
);
552 pandecode_prop("clear_color_4 = 0x%" PRIx32
, s
->clear_color_4
);
555 if (s
->clear_depth_1
!= 0 || s
->clear_depth_2
!= 0 || s
->clear_depth_3
!= 0 || s
->clear_depth_4
!= 0) {
556 pandecode_prop("clear_depth_1 = %f", s
->clear_depth_1
);
557 pandecode_prop("clear_depth_2 = %f", s
->clear_depth_2
);
558 pandecode_prop("clear_depth_3 = %f", s
->clear_depth_3
);
559 pandecode_prop("clear_depth_4 = %f", s
->clear_depth_4
);
562 if (s
->clear_stencil
) {
563 pandecode_prop("clear_stencil = 0x%x", s
->clear_stencil
);
566 const struct midgard_tiler_descriptor t
= s
->tiler
;
568 bool has_hierarchy
= !(gpu_id
== 0x0720 || gpu_id
== 0x0820 || gpu_id
== 0x0830);
569 pandecode_midgard_tiler_descriptor(&t
, s
->width
+ 1, s
->height
+ 1, is_fragment
, has_hierarchy
);
572 pandecode_log("};\n");
574 pandecode_prop("zero2 = 0x%" PRIx32
, s
->zero2
);
575 pandecode_prop("zero4 = 0x%" PRIx32
, s
->zero4
);
576 pandecode_prop("zero5 = 0x%" PRIx32
, s
->zero5
);
578 pandecode_log_cont(".zero3 = {");
580 for (int i
= 0; i
< sizeof(s
->zero3
) / sizeof(s
->zero3
[0]); ++i
)
581 pandecode_log_cont("%X, ", s
->zero3
[i
]);
583 pandecode_log_cont("},\n");
585 pandecode_log_cont(".zero6 = {");
587 for (int i
= 0; i
< sizeof(s
->zero6
) / sizeof(s
->zero6
[0]); ++i
)
588 pandecode_log_cont("%X, ", s
->zero6
[i
]);
590 pandecode_log_cont("},\n");
596 pandecode_compute_fbd(uint64_t gpu_va
, int job_no
)
598 struct pandecode_mapped_memory
*mem
= pandecode_find_mapped_gpu_mem_containing(gpu_va
);
599 const struct mali_shared_memory
*PANDECODE_PTR_VAR(s
, mem
, (mali_ptr
) gpu_va
);
601 pandecode_log("struct mali_shared_memory shared_%"PRIx64
"_%d = {\n", gpu_va
, job_no
);
603 pandecode_shared_memory(s
, true);
605 pandecode_log("},\n");
608 /* Extracts the number of components associated with a Mali format */
611 pandecode_format_component_count(enum mali_format fmt
)
613 /* Mask out the format class */
614 unsigned top
= fmt
& 0b11100000;
617 case MALI_FORMAT_SNORM
:
618 case MALI_FORMAT_UINT
:
619 case MALI_FORMAT_UNORM
:
620 case MALI_FORMAT_SINT
:
621 return ((fmt
>> 3) & 3) + 1;
628 /* Extracts a mask of accessed components from a 12-bit Mali swizzle */
631 pandecode_access_mask_from_channel_swizzle(unsigned swizzle
)
634 assert(MALI_CHANNEL_R
== 0);
636 for (unsigned c
= 0; c
< 4; ++c
) {
637 enum mali_channel chan
= (swizzle
>> (3*c
)) & 0x7;
639 if (chan
<= MALI_CHANNEL_A
)
646 /* Validates that a (format, swizzle) pair is valid, in the sense that the
647 * swizzle doesn't access any components that are undefined in the format.
648 * Returns whether the swizzle is trivial (doesn't do any swizzling) and can be
652 pandecode_validate_format_swizzle(enum mali_format fmt
, unsigned swizzle
)
654 unsigned nr_comp
= pandecode_format_component_count(fmt
);
655 unsigned access_mask
= pandecode_access_mask_from_channel_swizzle(swizzle
);
656 unsigned valid_mask
= (1 << nr_comp
) - 1;
657 unsigned invalid_mask
= ~valid_mask
;
659 if (access_mask
& invalid_mask
) {
660 pandecode_msg("XXX: invalid components accessed\n");
664 /* Check for the default non-swizzling swizzle so we can suppress
665 * useless printing for the defaults */
667 unsigned default_swizzles
[4] = {
668 MALI_CHANNEL_R
| (MALI_CHANNEL_0
<< 3) | (MALI_CHANNEL_0
<< 6) | (MALI_CHANNEL_1
<< 9),
669 MALI_CHANNEL_R
| (MALI_CHANNEL_G
<< 3) | (MALI_CHANNEL_0
<< 6) | (MALI_CHANNEL_1
<< 9),
670 MALI_CHANNEL_R
| (MALI_CHANNEL_G
<< 3) | (MALI_CHANNEL_B
<< 6) | (MALI_CHANNEL_1
<< 9),
671 MALI_CHANNEL_R
| (MALI_CHANNEL_G
<< 3) | (MALI_CHANNEL_B
<< 6) | (MALI_CHANNEL_A
<< 9)
674 return (swizzle
== default_swizzles
[nr_comp
- 1]);
678 pandecode_swizzle(unsigned swizzle
, enum mali_format format
)
680 /* First, do some validation */
681 bool trivial_swizzle
= pandecode_validate_format_swizzle(
687 /* Next, print the swizzle */
688 pandecode_log_cont(".");
690 static const char components
[] = "rgba01";
692 for (unsigned c
= 0; c
< 4; ++c
) {
693 enum mali_channel chan
= (swizzle
>> (3 * c
)) & 0x7;
695 if (chan
> MALI_CHANNEL_1
) {
696 pandecode_log("XXX: invalid swizzle channel %d\n", chan
);
699 pandecode_log_cont("%c", components
[chan
]);
704 pandecode_rt_format(struct mali_rt_format format
)
706 pandecode_log(".format = {\n");
709 pandecode_prop("unk1 = 0x%" PRIx32
, format
.unk1
);
710 pandecode_prop("unk2 = 0x%" PRIx32
, format
.unk2
);
711 pandecode_prop("unk3 = 0x%" PRIx32
, format
.unk3
);
712 pandecode_prop("unk4 = 0x%" PRIx32
, format
.unk4
);
714 pandecode_prop("block = %s", mali_block_format_as_str(format
.block
));
716 /* TODO: Map formats so we can check swizzles and print nicely */
717 pandecode_log("swizzle");
718 pandecode_swizzle(format
.swizzle
, MALI_RGBA8_UNORM
);
719 pandecode_log_cont(",\n");
721 pandecode_prop("nr_channels = MALI_POSITIVE(%d)",
722 (format
.nr_channels
+ 1));
724 pandecode_log(".flags = ");
725 pandecode_log_decoded_flags(mfbd_fmt_flag_info
, format
.flags
);
726 pandecode_log_cont(",\n");
728 pandecode_prop("msaa = %s", mali_msaa_as_str(format
.msaa
));
730 /* In theory, the no_preload bit can be cleared to enable MFBD preload,
731 * which is a faster hardware-based alternative to the wallpaper method
732 * to preserve framebuffer contents across frames. In practice, MFBD
733 * preload is buggy on Midgard, and so this is a chicken bit. If this
734 * bit isn't set, most likely something broke unrelated to preload */
736 if (!format
.no_preload
) {
737 pandecode_msg("XXX: buggy MFBD preload enabled - chicken bit should be clear\n");
738 pandecode_prop("no_preload = 0x%" PRIx32
, format
.no_preload
);
742 pandecode_prop("zero = 0x%" PRIx32
, format
.zero
);
745 pandecode_log("},\n");
749 pandecode_render_target(uint64_t gpu_va
, unsigned job_no
, const struct mali_framebuffer
*fb
)
751 pandecode_log("struct mali_render_target rts_list_%"PRIx64
"_%d[] = {\n", gpu_va
, job_no
);
754 for (int i
= 0; i
< (fb
->rt_count_1
+ 1); i
++) {
755 mali_ptr rt_va
= gpu_va
+ i
* sizeof(struct mali_render_target
);
756 struct pandecode_mapped_memory
*mem
=
757 pandecode_find_mapped_gpu_mem_containing(rt_va
);
758 const struct mali_render_target
*PANDECODE_PTR_VAR(rt
, mem
, (mali_ptr
) rt_va
);
760 pandecode_log("{\n");
763 pandecode_rt_format(rt
->format
);
765 if (rt
->format
.block
== MALI_BLOCK_FORMAT_AFBC
) {
766 pandecode_log(".afbc = {\n");
769 char *a
= pointer_as_memory_reference(rt
->afbc
.metadata
);
770 pandecode_prop("metadata = %s", a
);
773 pandecode_prop("stride = %d", rt
->afbc
.stride
);
775 pandecode_log(".flags = ");
776 pandecode_log_decoded_flags(afbc_fmt_flag_info
, rt
->afbc
.flags
);
777 pandecode_log_cont(",\n");
780 pandecode_log("},\n");
781 } else if (rt
->afbc
.metadata
|| rt
->afbc
.stride
|| rt
->afbc
.flags
) {
782 pandecode_msg("XXX: AFBC disabled but AFBC field set (0x%lX, 0x%x, 0x%x)\n",
788 MEMORY_PROP(rt
, framebuffer
);
789 pandecode_prop("framebuffer_stride = %d", rt
->framebuffer_stride
);
791 if (rt
->layer_stride
)
792 pandecode_prop("layer_stride = %d", rt
->layer_stride
);
794 if (rt
->clear_color_1
| rt
->clear_color_2
| rt
->clear_color_3
| rt
->clear_color_4
) {
795 pandecode_prop("clear_color_1 = 0x%" PRIx32
, rt
->clear_color_1
);
796 pandecode_prop("clear_color_2 = 0x%" PRIx32
, rt
->clear_color_2
);
797 pandecode_prop("clear_color_3 = 0x%" PRIx32
, rt
->clear_color_3
);
798 pandecode_prop("clear_color_4 = 0x%" PRIx32
, rt
->clear_color_4
);
801 if (rt
->zero1
|| rt
->zero2
) {
802 pandecode_msg("XXX: render target zeros tripped\n");
803 pandecode_prop("zero1 = 0x%" PRIx64
, rt
->zero1
);
804 pandecode_prop("zero2 = 0x%" PRIx32
, rt
->zero2
);
808 pandecode_log("},\n");
812 pandecode_log("};\n");
815 static struct pandecode_fbd
816 pandecode_mfbd_bfr(uint64_t gpu_va
, int job_no
, bool is_fragment
, bool is_compute
, bool is_bifrost
)
818 struct pandecode_mapped_memory
*mem
= pandecode_find_mapped_gpu_mem_containing(gpu_va
);
819 const struct mali_framebuffer
*PANDECODE_PTR_VAR(fb
, mem
, (mali_ptr
) gpu_va
);
821 struct pandecode_fbd info
;
823 if (is_bifrost
&& fb
->msaa
.sample_locations
) {
824 /* The blob stores all possible sample locations in a single buffer
825 * allocated on startup, and just switches the pointer when switching
826 * MSAA state. For now, we just put the data into the cmdstream, but we
827 * should do something like what the blob does with a real driver.
829 * There seem to be 32 slots for sample locations, followed by another
830 * 16. The second 16 is just the center location followed by 15 zeros
831 * in all the cases I've identified (maybe shader vs. depth/color
835 struct pandecode_mapped_memory
*smem
= pandecode_find_mapped_gpu_mem_containing(fb
->msaa
.sample_locations
);
837 const u16
*PANDECODE_PTR_VAR(samples
, smem
, fb
->msaa
.sample_locations
);
839 pandecode_log("uint16_t sample_locations_%d[] = {\n", job_no
);
842 for (int i
= 0; i
< 32 + 16; i
++) {
843 pandecode_log("%d, %d,\n", samples
[2 * i
], samples
[2 * i
+ 1]);
847 pandecode_log("};\n");
850 pandecode_log("struct mali_framebuffer framebuffer_%"PRIx64
"_%d = {\n", gpu_va
, job_no
);
854 pandecode_log(".msaa = {\n");
857 if (fb
->msaa
.sample_locations
)
858 pandecode_prop("sample_locations = sample_locations_%d", job_no
);
860 pandecode_msg("XXX: sample_locations missing\n");
862 if (fb
->msaa
.zero1
|| fb
->msaa
.zero2
|| fb
->msaa
.zero4
) {
863 pandecode_msg("XXX: multisampling zero tripped\n");
864 pandecode_prop("zero1 = %" PRIx64
, fb
->msaa
.zero1
);
865 pandecode_prop("zero2 = %" PRIx64
, fb
->msaa
.zero2
);
866 pandecode_prop("zero4 = %" PRIx64
, fb
->msaa
.zero4
);
870 pandecode_log("},\n");
872 pandecode_log(".shared_memory = {\n");
874 pandecode_shared_memory(&fb
->shared_memory
, is_compute
);
876 pandecode_log("},\n");
879 info
.width
= fb
->width1
+ 1;
880 info
.height
= fb
->height1
+ 1;
881 info
.rt_count
= fb
->rt_count_1
+ 1;
883 pandecode_prop("width1 = MALI_POSITIVE(%d)", fb
->width1
+ 1);
884 pandecode_prop("height1 = MALI_POSITIVE(%d)", fb
->height1
+ 1);
885 pandecode_prop("width2 = MALI_POSITIVE(%d)", fb
->width2
+ 1);
886 pandecode_prop("height2 = MALI_POSITIVE(%d)", fb
->height2
+ 1);
888 pandecode_prop("unk1 = 0x%x", fb
->unk1
);
889 pandecode_prop("unk2 = 0x%x", fb
->unk2
);
890 pandecode_prop("rt_count_1 = MALI_POSITIVE(%d)", fb
->rt_count_1
+ 1);
891 pandecode_prop("rt_count_2 = %d", fb
->rt_count_2
);
893 pandecode_log(".mfbd_flags = ");
894 pandecode_log_decoded_flags(mfbd_flag_info
, fb
->mfbd_flags
);
895 pandecode_log_cont(",\n");
897 if (fb
->clear_stencil
)
898 pandecode_prop("clear_stencil = 0x%x", fb
->clear_stencil
);
901 pandecode_prop("clear_depth = %f", fb
->clear_depth
);
905 pandecode_bifrost_tiler_descriptor(fb
);
907 const struct midgard_tiler_descriptor t
= fb
->tiler
;
908 pandecode_midgard_tiler_descriptor(&t
, fb
->width1
+ 1, fb
->height1
+ 1, is_fragment
, true);
911 pandecode_msg("XXX: skipping compute MFBD, fixme\n");
913 if (fb
->zero3
|| fb
->zero4
) {
914 pandecode_msg("XXX: framebuffer zeros tripped\n");
915 pandecode_prop("zero3 = 0x%" PRIx32
, fb
->zero3
);
916 pandecode_prop("zero4 = 0x%" PRIx32
, fb
->zero4
);
920 pandecode_log("};\n");
922 gpu_va
+= sizeof(struct mali_framebuffer
);
924 info
.has_extra
= (fb
->mfbd_flags
& MALI_MFBD_EXTRA
) && is_fragment
;
926 if (info
.has_extra
) {
927 mem
= pandecode_find_mapped_gpu_mem_containing(gpu_va
);
928 const struct mali_framebuffer_extra
*PANDECODE_PTR_VAR(fbx
, mem
, (mali_ptr
) gpu_va
);
930 pandecode_log("struct mali_framebuffer_extra fb_extra_%"PRIx64
"_%d = {\n", gpu_va
, job_no
);
933 MEMORY_PROP(fbx
, checksum
);
935 if (fbx
->checksum_stride
)
936 pandecode_prop("checksum_stride = %d", fbx
->checksum_stride
);
938 pandecode_log(".flags_hi = ");
939 pandecode_log_decoded_flags(mfbd_extra_flag_hi_info
, fbx
->flags_hi
);
940 pandecode_log_cont(",\n");
942 pandecode_log(".flags_lo = ");
943 pandecode_log_decoded_flags(mfbd_extra_flag_lo_info
, fbx
->flags_lo
);
944 pandecode_log_cont(",\n");
946 pandecode_prop("zs_block = %s", mali_block_format_as_str(fbx
->zs_block
));
947 pandecode_prop("zs_samples = MALI_POSITIVE(%u)", fbx
->zs_samples
+ 1);
949 if (fbx
->zs_block
== MALI_BLOCK_FORMAT_AFBC
) {
950 pandecode_log(".ds_afbc = {\n");
953 MEMORY_PROP_DIR(fbx
->ds_afbc
, depth_stencil_afbc_metadata
);
954 pandecode_prop("depth_stencil_afbc_stride = %d",
955 fbx
->ds_afbc
.depth_stencil_afbc_stride
);
956 MEMORY_PROP_DIR(fbx
->ds_afbc
, depth_stencil
);
958 pandecode_log(".flags = ");
959 pandecode_log_decoded_flags(afbc_fmt_flag_info
, fbx
->ds_afbc
.flags
);
960 pandecode_log_cont(",\n");
962 if (fbx
->ds_afbc
.padding
) {
963 pandecode_msg("XXX: Depth/stencil AFBC zeros tripped\n");
964 pandecode_prop("padding = 0x%" PRIx64
, fbx
->ds_afbc
.padding
);
968 pandecode_log("},\n");
970 pandecode_log(".ds_linear = {\n");
973 if (fbx
->ds_linear
.depth
) {
974 MEMORY_PROP_DIR(fbx
->ds_linear
, depth
);
975 pandecode_prop("depth_stride = %d",
976 fbx
->ds_linear
.depth_stride
);
977 pandecode_prop("depth_layer_stride = %d",
978 fbx
->ds_linear
.depth_layer_stride
);
979 } else if (fbx
->ds_linear
.depth_stride
|| fbx
->ds_linear
.depth_layer_stride
) {
980 pandecode_msg("XXX: depth stride zero tripped %d %d\n", fbx
->ds_linear
.depth_stride
, fbx
->ds_linear
.depth_layer_stride
);
983 if (fbx
->ds_linear
.stencil
) {
984 MEMORY_PROP_DIR(fbx
->ds_linear
, stencil
);
985 pandecode_prop("stencil_stride = %d",
986 fbx
->ds_linear
.stencil_stride
);
987 pandecode_prop("stencil_layer_stride = %d",
988 fbx
->ds_linear
.stencil_layer_stride
);
989 } else if (fbx
->ds_linear
.stencil_stride
|| fbx
->ds_linear
.stencil_layer_stride
) {
990 pandecode_msg("XXX: stencil stride zero tripped %d %d\n", fbx
->ds_linear
.stencil_stride
, fbx
->ds_linear
.stencil_layer_stride
);
993 if (fbx
->ds_linear
.depth_stride_zero
||
994 fbx
->ds_linear
.stencil_stride_zero
) {
995 pandecode_msg("XXX: Depth/stencil zeros tripped\n");
996 pandecode_prop("depth_stride_zero = 0x%x",
997 fbx
->ds_linear
.depth_stride_zero
);
998 pandecode_prop("stencil_stride_zero = 0x%x",
999 fbx
->ds_linear
.stencil_stride_zero
);
1003 pandecode_log("},\n");
1006 if (fbx
->clear_color_1
| fbx
->clear_color_2
) {
1007 pandecode_prop("clear_color_1 = 0x%" PRIx32
, fbx
->clear_color_1
);
1008 pandecode_prop("clear_color_2 = 0x%" PRIx32
, fbx
->clear_color_2
);
1012 pandecode_msg("XXX: fb_extra zeros tripped\n");
1013 pandecode_prop("zero3 = 0x%" PRIx64
, fbx
->zero3
);
1017 pandecode_log("};\n");
1019 gpu_va
+= sizeof(struct mali_framebuffer_extra
);
1023 pandecode_render_target(gpu_va
, job_no
, fb
);
1029 pandecode_attributes(const struct pandecode_mapped_memory
*mem
,
1030 mali_ptr addr
, int job_no
, char *suffix
,
1031 int count
, bool varying
, enum mali_job_type job_type
)
1033 char *prefix
= varying
? "Varying" : "Attribute";
1037 pandecode_msg("warn: No %s records\n", prefix
);
1041 MAP_ADDR(ATTRIBUTE_BUFFER
, addr
, cl
);
1043 for (int i
= 0; i
< count
; ++i
) {
1044 fprintf(pandecode_dump_stream
, "%s\n", prefix
);
1046 struct MALI_ATTRIBUTE_BUFFER temp
;
1047 MALI_ATTRIBUTE_BUFFER_unpack(cl
+ i
* MALI_ATTRIBUTE_BUFFER_LENGTH
, &temp
);
1048 MALI_ATTRIBUTE_BUFFER_print(pandecode_dump_stream
, &temp
, 2);
1050 if (temp
.type
== MALI_ATTRIBUTE_TYPE_1D_NPOT_DIVISOR
) {
1051 struct MALI_ATTRIBUTE_BUFFER_CONTINUATION_NPOT temp2
;
1052 MALI_ATTRIBUTE_BUFFER_CONTINUATION_NPOT_unpack(cl
+ (i
+ 1) * MALI_ATTRIBUTE_BUFFER_LENGTH
, &temp2
);
1053 MALI_ATTRIBUTE_BUFFER_CONTINUATION_NPOT_print(pandecode_dump_stream
, &temp2
, 2);
1059 pandecode_shader_address(const char *name
, mali_ptr ptr
)
1061 /* TODO: Decode flags */
1062 mali_ptr shader_ptr
= ptr
& ~15;
1064 char *a
= pointer_as_memory_reference(shader_ptr
);
1065 pandecode_prop("%s = (%s) | %d", name
, a
, (int) (ptr
& 15));
1071 /* Decodes a Bifrost blend constant. See the notes in bifrost_blend_rt */
1074 decode_bifrost_constant(u16 constant
)
1076 float lo
= (float) (constant
& 0xFF);
1077 float hi
= (float) (constant
>> 8);
1079 return (hi
/ 255.0) + (lo
/ 65535.0);
1083 pandecode_bifrost_blend(void *descs
, int job_no
, int rt_no
)
1085 struct bifrost_blend_rt
*b
=
1086 ((struct bifrost_blend_rt
*) descs
) + rt_no
;
1088 pandecode_log("struct bifrost_blend_rt blend_rt_%d_%d = {\n", job_no
, rt_no
);
1091 pandecode_prop("flags = 0x%" PRIx16
, b
->flags
);
1092 pandecode_prop("constant = 0x%" PRIx8
" /* %f */",
1093 b
->constant
, decode_bifrost_constant(b
->constant
));
1095 /* TODO figure out blend shader enable bit */
1096 DUMP_CL("Equation", BLEND_EQUATION
, &b
->equation
, 2);
1098 pandecode_prop("unk2 = 0x%" PRIx16
, b
->unk2
);
1099 pandecode_prop("index = 0x%" PRIx16
, b
->index
);
1101 pandecode_log(".format = %s", mali_format_as_str(b
->format
));
1102 pandecode_swizzle(b
->swizzle
, b
->format
);
1103 pandecode_log_cont(",\n");
1105 pandecode_prop("swizzle = 0x%" PRIx32
, b
->swizzle
);
1106 pandecode_prop("format = 0x%" PRIx32
, b
->format
);
1109 pandecode_msg("XXX: pandecode_bifrost_blend zero1 tripped\n");
1110 pandecode_prop("zero1 = 0x%" PRIx32
, b
->zero1
);
1113 pandecode_log(".shader_type = ");
1114 switch(b
->shader_type
) {
1115 case BIFROST_BLEND_F16
:
1116 pandecode_log_cont("BIFROST_BLEND_F16");
1118 case BIFROST_BLEND_F32
:
1119 pandecode_log_cont("BIFROST_BLEND_F32");
1121 case BIFROST_BLEND_I32
:
1122 pandecode_log_cont("BIFROST_BLEND_I32");
1124 case BIFROST_BLEND_U32
:
1125 pandecode_log_cont("BIFROST_BLEND_U32");
1127 case BIFROST_BLEND_I16
:
1128 pandecode_log_cont("BIFROST_BLEND_I16");
1130 case BIFROST_BLEND_U16
:
1131 pandecode_log_cont("BIFROST_BLEND_U16");
1134 pandecode_log_cont(",\n");
1137 pandecode_msg("XXX: pandecode_bifrost_blend zero2 tripped\n");
1138 pandecode_prop("zero2 = 0x%" PRIx32
, b
->zero2
);
1141 pandecode_prop("shader = 0x%" PRIx32
, b
->shader
);
1144 pandecode_log("},\n");
1150 pandecode_midgard_blend(union midgard_blend
*blend
, bool is_shader
)
1152 /* constant/equation is in a union */
1156 pandecode_log(".blend = {\n");
1160 pandecode_shader_address("shader", blend
->shader
);
1162 DUMP_CL("Equation", BLEND_EQUATION
, &blend
->equation
, 2);
1163 pandecode_prop("constant = %f", blend
->constant
);
1167 pandecode_log("},\n");
1169 /* Return blend shader to disassemble if present */
1170 return is_shader
? (blend
->shader
& ~0xF) : 0;
1174 pandecode_midgard_blend_mrt(void *descs
, int job_no
, int rt_no
)
1176 struct midgard_blend_rt
*b
=
1177 ((struct midgard_blend_rt
*) descs
) + rt_no
;
1179 /* Flags determine presence of blend shader */
1180 bool is_shader
= b
->flags
.opaque
[0] & 0x2;
1182 pandecode_log("struct midgard_blend_rt blend_rt_%d_%d = {\n", job_no
, rt_no
);
1185 DUMP_CL("Flags", BLEND_FLAGS
, &b
->flags
, 2);
1187 union midgard_blend blend
= b
->blend
;
1188 mali_ptr shader
= pandecode_midgard_blend(&blend
, is_shader
);
1191 pandecode_log("};\n");
1196 /* Attributes and varyings have descriptor records, which contain information
1197 * about their format and ordering with the attribute/varying buffers. We'll
1198 * want to validate that the combinations specified are self-consistent.
1202 pandecode_attribute_meta(int count
, mali_ptr attribute
, bool varying
, char *suffix
)
1204 const char *prefix
= varying
? "Varying" : "Attribute";
1206 for (int i
= 0; i
< count
; ++i
, attribute
+= MALI_ATTRIBUTE_LENGTH
)
1207 DUMP_ADDR(prefix
, ATTRIBUTE
, attribute
, 1);
1212 /* return bits [lo, hi) of word */
1214 bits(u32 word
, u32 lo
, u32 hi
)
1217 return word
; // avoid undefined behavior with the shift
1219 return (word
>> lo
) & ((1 << (hi
- lo
)) - 1);
1223 pandecode_vertex_tiler_prefix(struct mali_vertex_tiler_prefix
*p
, int job_no
, bool graphics
)
1225 pandecode_log(".prefix = {\n");
1228 /* Decode invocation_count. See the comment before the definition of
1229 * invocation_count for an explanation.
1231 struct MALI_INVOCATION invocation
;
1232 struct mali_invocation_packed invocation_packed
= p
->invocation
;
1233 MALI_INVOCATION_unpack((const uint8_t *) &invocation_packed
, &invocation
);
1235 unsigned size_x
= bits(invocation
.invocations
, 0, invocation
.size_y_shift
) + 1;
1236 unsigned size_y
= bits(invocation
.invocations
, invocation
.size_y_shift
, invocation
.size_z_shift
) + 1;
1237 unsigned size_z
= bits(invocation
.invocations
, invocation
.size_z_shift
, invocation
.workgroups_x_shift
) + 1;
1239 unsigned groups_x
= bits(invocation
.invocations
, invocation
.workgroups_x_shift
, invocation
.workgroups_y_shift
) + 1;
1240 unsigned groups_y
= bits(invocation
.invocations
, invocation
.workgroups_y_shift
, invocation
.workgroups_z_shift
) + 1;
1241 unsigned groups_z
= bits(invocation
.invocations
, invocation
.workgroups_z_shift
, 32) + 1;
1243 /* Even though we have this decoded, we want to ensure that the
1244 * representation is "unique" so we don't lose anything by printing only
1245 * the final result. More specifically, we need to check that we were
1246 * passed something in canonical form, since the definition per the
1247 * hardware is inherently not unique. How? Well, take the resulting
1248 * decode and pack it ourselves! If it is bit exact with what we
1249 * decoded, we're good to go. */
1251 struct mali_invocation_packed ref
;
1252 panfrost_pack_work_groups_compute(&ref
, groups_x
, groups_y
, groups_z
, size_x
, size_y
, size_z
, graphics
);
1254 if (memcmp(&ref
, &invocation_packed
, sizeof(ref
))) {
1255 pandecode_msg("XXX: non-canonical workgroups packing\n");
1256 MALI_INVOCATION_print(pandecode_dump_stream
, &invocation
, 1 * 2);
1259 /* Regardless, print the decode */
1260 fprintf(pandecode_dump_stream
,
1261 "Invocation (%d, %d, %d) x (%d, %d, %d)\n",
1262 size_x
, size_y
, size_z
,
1263 groups_x
, groups_y
, groups_z
);
1265 fprintf(pandecode_dump_stream
, "Primitive\n");
1266 struct MALI_PRIMITIVE primitive
;
1267 struct mali_primitive_packed prim_packed
= p
->primitive
;
1268 MALI_PRIMITIVE_unpack((const uint8_t *) &prim_packed
, &primitive
);
1269 MALI_PRIMITIVE_print(pandecode_dump_stream
, &primitive
, 1 * 2);
1271 /* Validate an index buffer is present if we need one. TODO: verify
1272 * relationship between invocation_count and index_count */
1274 if (primitive
.indices
) {
1276 unsigned size
= (primitive
.index_type
== MALI_INDEX_TYPE_UINT32
) ?
1277 sizeof(uint32_t) : primitive
.index_type
;
1279 /* Ensure we got a size, and if so, validate the index buffer
1280 * is large enough to hold a full set of indices of the given
1284 pandecode_msg("XXX: index size missing\n");
1286 pandecode_validate_buffer(primitive
.indices
, primitive
.index_count
* size
);
1287 } else if (primitive
.index_type
)
1288 pandecode_msg("XXX: unexpected index size\n");
1291 pandecode_log("},\n");
1295 pandecode_uniform_buffers(mali_ptr pubufs
, int ubufs_count
, int job_no
)
1297 struct pandecode_mapped_memory
*umem
= pandecode_find_mapped_gpu_mem_containing(pubufs
);
1298 uint64_t *PANDECODE_PTR_VAR(ubufs
, umem
, pubufs
);
1300 for (int i
= 0; i
< ubufs_count
; i
++) {
1301 unsigned size
= (ubufs
[i
] & ((1 << 10) - 1)) * 16;
1302 mali_ptr addr
= (ubufs
[i
] >> 10) << 2;
1304 pandecode_validate_buffer(addr
, size
);
1306 char *ptr
= pointer_as_memory_reference(addr
);
1307 pandecode_log("ubuf_%d[%u] = %s;\n", i
, size
, ptr
);
1311 pandecode_log("\n");
1315 pandecode_uniforms(mali_ptr uniforms
, unsigned uniform_count
)
1317 pandecode_validate_buffer(uniforms
, uniform_count
* 16);
1319 char *ptr
= pointer_as_memory_reference(uniforms
);
1320 pandecode_log("vec4 uniforms[%u] = %s;\n", uniform_count
, ptr
);
1325 shader_type_for_job(unsigned type
)
1328 case MALI_JOB_TYPE_VERTEX
: return "VERTEX";
1329 case MALI_JOB_TYPE_TILER
: return "FRAGMENT";
1330 case MALI_JOB_TYPE_COMPUTE
: return "COMPUTE";
1331 default: return "UNKNOWN";
1335 static unsigned shader_id
= 0;
1337 static struct midgard_disasm_stats
1338 pandecode_shader_disassemble(mali_ptr shader_ptr
, int shader_no
, int type
,
1339 bool is_bifrost
, unsigned gpu_id
)
1341 struct pandecode_mapped_memory
*mem
= pandecode_find_mapped_gpu_mem_containing(shader_ptr
);
1342 uint8_t *PANDECODE_PTR_VAR(code
, mem
, shader_ptr
);
1344 /* Compute maximum possible size */
1345 size_t sz
= mem
->length
- (shader_ptr
- mem
->gpu_va
);
1347 /* Print some boilerplate to clearly denote the assembly (which doesn't
1348 * obey indentation rules), and actually do the disassembly! */
1350 pandecode_log_cont("\n\n");
1352 struct midgard_disasm_stats stats
;
1355 disassemble_bifrost(pandecode_dump_stream
, code
, sz
, true);
1357 /* TODO: Extend stats to Bifrost */
1358 stats
.texture_count
= -128;
1359 stats
.sampler_count
= -128;
1360 stats
.attribute_count
= -128;
1361 stats
.varying_count
= -128;
1362 stats
.uniform_count
= -128;
1363 stats
.uniform_buffer_count
= -128;
1364 stats
.work_count
= -128;
1366 stats
.instruction_count
= 0;
1367 stats
.bundle_count
= 0;
1368 stats
.quadword_count
= 0;
1369 stats
.helper_invocations
= false;
1371 stats
= disassemble_midgard(pandecode_dump_stream
,
1373 type
== MALI_JOB_TYPE_TILER
?
1374 MESA_SHADER_FRAGMENT
: MESA_SHADER_VERTEX
);
1377 unsigned nr_threads
=
1378 (stats
.work_count
<= 4) ? 4 :
1379 (stats
.work_count
<= 8) ? 2 :
1382 pandecode_log_cont("shader%d - MESA_SHADER_%s shader: "
1383 "%u inst, %u bundles, %u quadwords, "
1384 "%u registers, %u threads, 0 loops, 0:0 spills:fills\n\n\n",
1386 shader_type_for_job(type
),
1387 stats
.instruction_count
, stats
.bundle_count
, stats
.quadword_count
,
1388 stats
.work_count
, nr_threads
);
1394 pandecode_texture_payload(mali_ptr payload
,
1395 enum mali_texture_dimension dim
,
1396 enum mali_texture_layout layout
,
1400 uint16_t array_size
,
1401 struct pandecode_mapped_memory
*tmem
)
1403 pandecode_log(".payload = {\n");
1406 /* A bunch of bitmap pointers follow.
1407 * We work out the correct number,
1408 * based on the mipmap/cubemap
1409 * properties, but dump extra
1410 * possibilities to futureproof */
1412 int bitmap_count
= levels
+ 1;
1414 /* Miptree for each face */
1415 if (dim
== MALI_TEXTURE_DIMENSION_CUBE
)
1418 /* Array of layers */
1419 bitmap_count
*= depth
;
1421 /* Array of textures */
1422 bitmap_count
*= array_size
;
1424 /* Stride for each element */
1428 mali_ptr
*pointers_and_strides
= pandecode_fetch_gpu_mem(tmem
,
1429 payload
, sizeof(mali_ptr
) * bitmap_count
);
1430 for (int i
= 0; i
< bitmap_count
; ++i
) {
1431 /* How we dump depends if this is a stride or a pointer */
1433 if (manual_stride
&& (i
& 1)) {
1434 /* signed 32-bit snuck in as a 64-bit pointer */
1435 uint64_t stride_set
= pointers_and_strides
[i
];
1436 uint32_t clamped_stride
= stride_set
;
1437 int32_t stride
= clamped_stride
;
1438 assert(stride_set
== clamped_stride
);
1439 pandecode_log("(mali_ptr) %d /* stride */, \n", stride
);
1441 char *a
= pointer_as_memory_reference(pointers_and_strides
[i
]);
1442 pandecode_log("%s, \n", a
);
1448 pandecode_log("},\n");
1452 pandecode_texture(mali_ptr u
,
1453 struct pandecode_mapped_memory
*tmem
,
1454 unsigned job_no
, unsigned tex
)
1456 struct pandecode_mapped_memory
*mapped_mem
= pandecode_find_mapped_gpu_mem_containing(u
);
1457 const uint8_t *cl
= pandecode_fetch_gpu_mem(mapped_mem
, u
, MALI_MIDGARD_TEXTURE_LENGTH
);
1459 struct MALI_MIDGARD_TEXTURE temp
;
1460 MALI_MIDGARD_TEXTURE_unpack(cl
, &temp
);
1461 MALI_MIDGARD_TEXTURE_print(pandecode_dump_stream
, &temp
, 2);
1463 pandecode_texture_payload(u
+ MALI_MIDGARD_TEXTURE_LENGTH
,
1464 temp
.dimension
, temp
.texel_ordering
, temp
.manual_stride
,
1465 temp
.levels
, temp
.depth
, temp
.array_size
, mapped_mem
);
1469 pandecode_bifrost_texture(
1474 struct MALI_BIFROST_TEXTURE temp
;
1475 MALI_BIFROST_TEXTURE_unpack(cl
, &temp
);
1476 MALI_BIFROST_TEXTURE_print(pandecode_dump_stream
, &temp
, 2);
1478 struct pandecode_mapped_memory
*tmem
= pandecode_find_mapped_gpu_mem_containing(temp
.surfaces
);
1479 pandecode_texture_payload(temp
.surfaces
, temp
.dimension
, temp
.texel_ordering
,
1480 true, temp
.levels
, 1, 1, tmem
);
1483 /* 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 */
1486 pandecode_shader_prop(const char *name
, unsigned claim
, signed truth
, bool fuzzy
)
1492 if (fuzzy
&& (truth
< 0))
1493 pandecode_msg("XXX: fuzzy %s, claimed %d, expected %d\n", name
, claim
, truth
);
1495 if ((truth
>= 0) && !fuzzy
) {
1496 pandecode_msg("%s: expected %s = %d, claimed %u\n",
1497 (truth
< claim
) ? "warn" : "XXX",
1498 name
, truth
, claim
);
1499 } else if ((claim
> -truth
) && !fuzzy
) {
1500 pandecode_msg("XXX: expected %s <= %u, claimed %u\n",
1501 name
, -truth
, claim
);
1502 } else if (fuzzy
&& (claim
< truth
))
1503 pandecode_msg("XXX: expected %s >= %u, claimed %u\n",
1504 name
, truth
, claim
);
1506 pandecode_log(".%s = %" PRId16
, name
, claim
);
1509 pandecode_log_cont(" /* %u used */", truth
);
1511 pandecode_log_cont(",\n");
1515 pandecode_blend_shader_disassemble(mali_ptr shader
, int job_no
, int job_type
,
1516 bool is_bifrost
, unsigned gpu_id
)
1518 struct midgard_disasm_stats stats
=
1519 pandecode_shader_disassemble(shader
, job_no
, job_type
, is_bifrost
, gpu_id
);
1521 bool has_texture
= (stats
.texture_count
> 0);
1522 bool has_sampler
= (stats
.sampler_count
> 0);
1523 bool has_attribute
= (stats
.attribute_count
> 0);
1524 bool has_varying
= (stats
.varying_count
> 0);
1525 bool has_uniform
= (stats
.uniform_count
> 0);
1526 bool has_ubo
= (stats
.uniform_buffer_count
> 0);
1528 if (has_texture
|| has_sampler
)
1529 pandecode_msg("XXX: blend shader accessing textures\n");
1531 if (has_attribute
|| has_varying
)
1532 pandecode_msg("XXX: blend shader accessing interstage\n");
1534 if (has_uniform
|| has_ubo
)
1535 pandecode_msg("XXX: blend shader accessing uniforms\n");
1539 pandecode_textures(mali_ptr textures
, unsigned texture_count
, int job_no
, bool is_bifrost
)
1541 struct pandecode_mapped_memory
*mmem
= pandecode_find_mapped_gpu_mem_containing(textures
);
1546 pandecode_log("Textures (%"PRIx64
"):\n", textures
);
1549 const void *cl
= pandecode_fetch_gpu_mem(mmem
,
1550 textures
, MALI_BIFROST_TEXTURE_LENGTH
*
1553 for (unsigned tex
= 0; tex
< texture_count
; ++tex
) {
1554 pandecode_bifrost_texture(cl
+
1555 MALI_BIFROST_TEXTURE_LENGTH
* tex
,
1559 mali_ptr
*PANDECODE_PTR_VAR(u
, mmem
, textures
);
1561 for (int tex
= 0; tex
< texture_count
; ++tex
) {
1562 mali_ptr
*PANDECODE_PTR_VAR(u
, mmem
, textures
+ tex
* sizeof(mali_ptr
));
1563 char *a
= pointer_as_memory_reference(*u
);
1564 pandecode_log("%s,\n", a
);
1568 /* Now, finally, descend down into the texture descriptor */
1569 for (unsigned tex
= 0; tex
< texture_count
; ++tex
) {
1570 mali_ptr
*PANDECODE_PTR_VAR(u
, mmem
, textures
+ tex
* sizeof(mali_ptr
));
1571 struct pandecode_mapped_memory
*tmem
= pandecode_find_mapped_gpu_mem_containing(*u
);
1573 pandecode_texture(*u
, tmem
, job_no
, tex
);
1579 pandecode_samplers(mali_ptr samplers
, unsigned sampler_count
, int job_no
, bool is_bifrost
)
1581 for (int i
= 0; i
< sampler_count
; ++i
) {
1583 DUMP_ADDR("Sampler", BIFROST_SAMPLER
, samplers
+ (MALI_BIFROST_SAMPLER_LENGTH
* i
), 1);
1585 DUMP_ADDR("Sampler", MIDGARD_SAMPLER
, samplers
+ (MALI_MIDGARD_SAMPLER_LENGTH
* i
), 1);
1591 pandecode_vertex_tiler_postfix_pre(
1592 const struct MALI_DRAW
*p
,
1593 int job_no
, enum mali_job_type job_type
,
1594 char *suffix
, bool is_bifrost
, unsigned gpu_id
)
1596 struct pandecode_mapped_memory
*attr_mem
;
1598 struct pandecode_fbd fbd_info
= {
1599 /* Default for Bifrost */
1604 pandecode_compute_fbd(p
->shared
& ~1, job_no
);
1605 else if (p
->shared
& MALI_MFBD
)
1606 fbd_info
= pandecode_mfbd_bfr((u64
) ((uintptr_t) p
->shared
) & FBD_MASK
, job_no
, false, job_type
== MALI_JOB_TYPE_COMPUTE
, false);
1607 else if (job_type
== MALI_JOB_TYPE_COMPUTE
)
1608 pandecode_compute_fbd((u64
) (uintptr_t) p
->shared
, job_no
);
1610 fbd_info
= pandecode_sfbd((u64
) (uintptr_t) p
->shared
, job_no
, false, gpu_id
);
1612 int varying_count
= 0, attribute_count
= 0, uniform_count
= 0, uniform_buffer_count
= 0;
1613 int texture_count
= 0, sampler_count
= 0;
1616 struct pandecode_mapped_memory
*smem
= pandecode_find_mapped_gpu_mem_containing(p
->state
);
1617 uint32_t *cl
= pandecode_fetch_gpu_mem(smem
, p
->state
, MALI_STATE_LENGTH
);
1619 /* Disassemble ahead-of-time to get stats. Initialize with
1620 * stats for the missing-shader case so we get validation
1623 struct midgard_disasm_stats info
= {
1626 .attribute_count
= 0,
1630 .uniform_count
= -128,
1631 .uniform_buffer_count
= 0
1634 struct MALI_STATE state
;
1635 struct MALI_MIDGARD_PROPERTIES midg_props
;
1636 struct MALI_BIFROST_PROPERTIES bi_props
;
1638 MALI_STATE_unpack((const uint8_t *) cl
, &state
);
1640 if (state
.shader
.shader
& ~0xF)
1641 info
= pandecode_shader_disassemble(state
.shader
.shader
& ~0xF, job_no
, job_type
, is_bifrost
, gpu_id
);
1643 fprintf(pandecode_dump_stream
, "State");
1644 MALI_STATE_print(pandecode_dump_stream
, &state
, 1 * 2);
1646 /* Save for dumps */
1647 attribute_count
= state
.shader
.attribute_count
;
1648 varying_count
= state
.shader
.varying_count
;
1649 texture_count
= state
.shader
.texture_count
;
1650 sampler_count
= state
.shader
.sampler_count
;
1652 fprintf(pandecode_dump_stream
, " Properties\n");
1654 MALI_BIFROST_PROPERTIES_unpack((const uint8_t *) &state
.properties
, &bi_props
);
1655 MALI_BIFROST_PROPERTIES_print(pandecode_dump_stream
, &bi_props
, 2 * 2);
1657 uniform_count
= state
.preload
.uniform_count
;
1658 uniform_buffer_count
= bi_props
.uniform_buffer_count
;
1660 MALI_MIDGARD_PROPERTIES_unpack((const uint8_t *) &state
.properties
, &midg_props
);
1661 MALI_MIDGARD_PROPERTIES_print(pandecode_dump_stream
, &midg_props
, 2 * 2);
1663 uniform_count
= midg_props
.uniform_count
;
1664 uniform_buffer_count
= midg_props
.uniform_buffer_count
;
1667 pandecode_shader_prop("texture_count", texture_count
, info
.texture_count
, false);
1668 pandecode_shader_prop("sampler_count", sampler_count
, info
.sampler_count
, false);
1669 pandecode_shader_prop("attribute_count", attribute_count
, info
.attribute_count
, false);
1670 pandecode_shader_prop("varying_count", varying_count
, info
.varying_count
, false);
1673 uint32_t opaque
= state
.preload
.uniform_count
<< 15
1674 | state
.preload
.untyped
;
1677 case MALI_JOB_TYPE_VERTEX
:
1678 DUMP_CL("Preload", PRELOAD_VERTEX
, &opaque
, 2);
1680 case MALI_JOB_TYPE_TILER
:
1681 DUMP_CL("Preload", PRELOAD_FRAGMENT
, &opaque
, 2);
1683 case MALI_JOB_TYPE_COMPUTE
:
1684 DUMP_CL("Preload", PRELOAD_COMPUTE
, &opaque
, 2);
1687 DUMP_CL("Preload", PRELOAD
, &opaque
, 2);
1693 /* TODO: Blend shaders routing/disasm */
1694 union midgard_blend blend
;
1695 memcpy(&blend
, &state
.sfbd_blend
, sizeof(blend
));
1696 mali_ptr shader
= pandecode_midgard_blend(&blend
, state
.multisample_misc
.sfbd_blend_shader
);
1698 pandecode_blend_shader_disassemble(shader
, job_no
, job_type
, false, gpu_id
);
1701 /* MRT blend fields are used whenever MFBD is used, with
1702 * per-RT descriptors */
1704 if (job_type
== MALI_JOB_TYPE_TILER
&& (is_bifrost
|| p
->shared
& MALI_MFBD
)) {
1705 void* blend_base
= ((void *) cl
) + MALI_STATE_LENGTH
;
1707 for (unsigned i
= 0; i
< fbd_info
.rt_count
; i
++) {
1708 mali_ptr shader
= 0;
1711 shader
= pandecode_bifrost_blend(blend_base
, job_no
, i
);
1713 shader
= pandecode_midgard_blend_mrt(blend_base
, job_no
, i
);
1716 pandecode_blend_shader_disassemble(shader
, job_no
, job_type
, false, gpu_id
);
1721 pandecode_msg("XXX: missing shader descriptor\n");
1724 DUMP_ADDR("Viewport", VIEWPORT
, p
->viewport
, 1);
1726 unsigned max_attr_index
= 0;
1729 max_attr_index
= pandecode_attribute_meta(attribute_count
, p
->attributes
, false, suffix
);
1731 if (p
->attribute_buffers
) {
1732 attr_mem
= pandecode_find_mapped_gpu_mem_containing(p
->attribute_buffers
);
1733 pandecode_attributes(attr_mem
, p
->attribute_buffers
, job_no
, suffix
, max_attr_index
, false, job_type
);
1737 varying_count
= pandecode_attribute_meta(varying_count
, p
->varyings
, true, suffix
);
1740 if (p
->varying_buffers
) {
1741 attr_mem
= pandecode_find_mapped_gpu_mem_containing(p
->varying_buffers
);
1742 pandecode_attributes(attr_mem
, p
->varying_buffers
, job_no
, suffix
, varying_count
, true, job_type
);
1745 if (p
->uniform_buffers
) {
1746 if (uniform_buffer_count
)
1747 pandecode_uniform_buffers(p
->uniform_buffers
, uniform_buffer_count
, job_no
);
1749 pandecode_msg("warn: UBOs specified but not referenced\n");
1750 } else if (uniform_buffer_count
)
1751 pandecode_msg("XXX: UBOs referenced but not specified\n");
1753 /* We don't want to actually dump uniforms, but we do need to validate
1754 * that the counts we were given are sane */
1756 if (p
->push_uniforms
) {
1758 pandecode_uniforms(p
->push_uniforms
, uniform_count
);
1760 pandecode_msg("warn: Uniforms specified but not referenced\n");
1761 } else if (uniform_count
)
1762 pandecode_msg("XXX: Uniforms referenced but not specified\n");
1765 pandecode_textures(p
->textures
, texture_count
, job_no
, is_bifrost
);
1768 pandecode_samplers(p
->samplers
, sampler_count
, job_no
, is_bifrost
);
1772 pandecode_tiler_heap_meta(mali_ptr gpu_va
, int job_no
)
1774 struct pandecode_mapped_memory
*mem
= pandecode_find_mapped_gpu_mem_containing(gpu_va
);
1775 const struct bifrost_tiler_heap_meta
*PANDECODE_PTR_VAR(h
, mem
, gpu_va
);
1777 pandecode_log("struct bifrost_tiler_heap_meta tiler_heap_meta_%"PRIx64
"_%d = {\n", gpu_va
, job_no
);
1781 pandecode_msg("XXX: tiler heap zero tripped\n");
1782 pandecode_prop("zero = 0x%x", h
->zero
);
1785 pandecode_prop("heap_size = 0x%x", h
->heap_size
);
1786 MEMORY_PROP(h
, tiler_heap_start
);
1787 MEMORY_PROP(h
, tiler_heap_free
);
1789 /* this might point to the beginning of another buffer, when it's
1790 * really the end of the tiler heap buffer, so we have to be careful
1791 * here. but for zero length, we need the same pointer.
1794 if (h
->tiler_heap_end
== h
->tiler_heap_start
) {
1795 MEMORY_PROP(h
, tiler_heap_start
);
1797 char *a
= pointer_as_memory_reference(h
->tiler_heap_end
- 1);
1798 pandecode_prop("tiler_heap_end = %s + 1", a
);
1802 for (int i
= 0; i
< 10; i
++) {
1803 if (h
->zeros
[i
] != 0) {
1804 pandecode_msg("XXX: tiler heap zero %d tripped, value %x\n",
1809 if (h
->unk1
!= 0x1) {
1810 pandecode_msg("XXX: tiler heap unk1 tripped\n");
1811 pandecode_prop("unk1 = 0x%x", h
->unk1
);
1814 if (h
->unk7e007e
!= 0x7e007e) {
1815 pandecode_msg("XXX: tiler heap unk7e007e tripped\n");
1816 pandecode_prop("unk7e007e = 0x%x", h
->unk7e007e
);
1820 pandecode_log("};\n");
1824 pandecode_tiler_meta(mali_ptr gpu_va
, int job_no
)
1826 struct pandecode_mapped_memory
*mem
= pandecode_find_mapped_gpu_mem_containing(gpu_va
);
1827 const struct bifrost_tiler_meta
*PANDECODE_PTR_VAR(t
, mem
, gpu_va
);
1829 pandecode_tiler_heap_meta(t
->tiler_heap_meta
, job_no
);
1831 pandecode_log("struct bifrost_tiler_meta tiler_meta_%"PRIx64
"_%d = {\n", gpu_va
, job_no
);
1834 pandecode_prop("tiler_heap_next_start = 0x%" PRIx32
, t
->tiler_heap_next_start
);
1835 pandecode_prop("used_hierarchy_mask = 0x%" PRIx32
, t
->used_hierarchy_mask
);
1837 if (t
->hierarchy_mask
!= 0xa &&
1838 t
->hierarchy_mask
!= 0x14 &&
1839 t
->hierarchy_mask
!= 0x28 &&
1840 t
->hierarchy_mask
!= 0x50 &&
1841 t
->hierarchy_mask
!= 0xa0)
1842 pandecode_prop("XXX: Unexpected hierarchy_mask (not 0xa, 0x14, 0x28, 0x50 or 0xa0)!");
1844 pandecode_prop("hierarchy_mask = 0x%" PRIx16
, t
->hierarchy_mask
);
1846 pandecode_prop("flags = 0x%" PRIx16
, t
->flags
);
1848 pandecode_prop("width = MALI_POSITIVE(%d)", t
->width
+ 1);
1849 pandecode_prop("height = MALI_POSITIVE(%d)", t
->height
+ 1);
1852 pandecode_msg("XXX: tiler meta zero tripped\n");
1853 pandecode_prop("zero0 = 0x%" PRIx64
, t
->zero0
);
1856 for (int i
= 0; i
< 12; i
++) {
1857 if (t
->zeros
[i
] != 0) {
1858 pandecode_msg("XXX: tiler heap zero %d tripped, value %" PRIx64
"\n",
1864 pandecode_log("};\n");
1868 pandecode_primitive_size(union midgard_primitive_size u
, bool constant
)
1870 if (u
.pointer
== 0x0)
1873 pandecode_log(".primitive_size = {\n");
1877 pandecode_prop("constant = %f", u
.constant
);
1879 MEMORY_PROP((&u
), pointer
);
1883 pandecode_log("},\n");
1887 pandecode_vertex_job_bfr(const struct mali_job_descriptor_header
*h
,
1888 const struct pandecode_mapped_memory
*mem
,
1889 mali_ptr payload
, int job_no
, unsigned gpu_id
)
1891 struct bifrost_payload_vertex
*PANDECODE_PTR_VAR(v
, mem
, payload
);
1893 struct MALI_DRAW draw
;
1894 struct mali_draw_packed draw_packed
;
1895 memcpy(&draw_packed
, &v
->postfix
, sizeof(draw_packed
));
1896 MALI_DRAW_unpack((const uint8_t *) &draw_packed
, &draw
); \
1897 pandecode_vertex_tiler_postfix_pre(&draw
, job_no
, h
->job_type
, "", true, gpu_id
);
1899 pandecode_vertex_tiler_prefix(&v
->prefix
, job_no
, false);
1900 DUMP_CL("Draw", DRAW
, &draw_packed
, 2);
1906 pandecode_tiler_job_bfr(const struct mali_job_descriptor_header
*h
,
1907 const struct pandecode_mapped_memory
*mem
,
1908 mali_ptr payload
, int job_no
, unsigned gpu_id
)
1910 struct bifrost_payload_tiler
*PANDECODE_PTR_VAR(t
, mem
, payload
);
1912 struct MALI_DRAW draw
;
1913 struct mali_draw_packed draw_packed
;
1914 memcpy(&draw_packed
, &t
->postfix
, sizeof(draw_packed
));
1915 MALI_DRAW_unpack((const uint8_t *) &draw_packed
, &draw
); \
1916 pandecode_vertex_tiler_postfix_pre(&draw
, job_no
, h
->job_type
, "", true, gpu_id
);
1917 pandecode_tiler_meta(t
->tiler_meta
, job_no
);
1919 pandecode_vertex_tiler_prefix(&t
->prefix
, job_no
, false);
1921 /* TODO: gl_PointSize on Bifrost */
1922 pandecode_primitive_size(t
->primitive_size
, true);
1924 if (t
->zero1
|| t
->zero2
|| t
->zero3
|| t
->zero4
|| t
->zero5
1926 pandecode_msg("XXX: tiler only zero tripped\n");
1927 pandecode_prop("zero1 = 0x%" PRIx64
, t
->zero1
);
1928 pandecode_prop("zero2 = 0x%" PRIx64
, t
->zero2
);
1929 pandecode_prop("zero3 = 0x%" PRIx64
, t
->zero3
);
1930 pandecode_prop("zero4 = 0x%" PRIx64
, t
->zero4
);
1931 pandecode_prop("zero5 = 0x%" PRIx64
, t
->zero5
);
1932 pandecode_prop("zero6 = 0x%" PRIx64
, t
->zero6
);
1935 DUMP_CL("Draw", DRAW
, &draw_packed
, 2);
1941 pandecode_vertex_or_tiler_job_mdg(const struct mali_job_descriptor_header
*h
,
1942 const struct pandecode_mapped_memory
*mem
,
1943 mali_ptr payload
, int job_no
, unsigned gpu_id
)
1945 struct midgard_payload_vertex_tiler
*PANDECODE_PTR_VAR(v
, mem
, payload
);
1946 bool is_graphics
= (h
->job_type
== MALI_JOB_TYPE_VERTEX
) || (h
->job_type
== MALI_JOB_TYPE_TILER
);
1948 struct MALI_DRAW draw
;
1949 struct mali_draw_packed draw_packed
;
1950 memcpy(&draw_packed
, &v
->postfix
, sizeof(draw_packed
));
1951 MALI_DRAW_unpack((const uint8_t *) &draw_packed
, &draw
); \
1952 pandecode_vertex_tiler_postfix_pre(&draw
, job_no
, h
->job_type
, "", false, gpu_id
);
1954 pandecode_vertex_tiler_prefix(&v
->prefix
, job_no
, is_graphics
);
1955 DUMP_CL("Draw", DRAW
, &draw_packed
, 2);
1957 struct MALI_PRIMITIVE primitive
;
1958 struct mali_primitive_packed prim_packed
= v
->prefix
.primitive
;
1959 MALI_PRIMITIVE_unpack((const uint8_t *) &prim_packed
, &primitive
);
1961 pandecode_primitive_size(v
->primitive_size
, primitive
.point_size_array
== 0);
1967 pandecode_fragment_job(const struct pandecode_mapped_memory
*mem
,
1968 mali_ptr payload
, int job_no
,
1969 bool is_bifrost
, unsigned gpu_id
)
1971 const struct mali_payload_fragment
*PANDECODE_PTR_VAR(s
, mem
, payload
);
1973 bool is_mfbd
= s
->framebuffer
& MALI_MFBD
;
1975 if (!is_mfbd
&& is_bifrost
)
1976 pandecode_msg("XXX: Bifrost fragment must use MFBD\n");
1978 struct pandecode_fbd info
;
1981 info
= pandecode_mfbd_bfr(s
->framebuffer
& FBD_MASK
, job_no
, true, false, is_bifrost
);
1983 info
= pandecode_sfbd(s
->framebuffer
& FBD_MASK
, job_no
, true, gpu_id
);
1985 /* Compute the tag for the tagged pointer. This contains the type of
1986 * FBD (MFBD/SFBD), and in the case of an MFBD, information about which
1987 * additional structures follow the MFBD header (an extra payload or
1988 * not, as well as a count of render targets) */
1990 unsigned expected_tag
= is_mfbd
? MALI_MFBD
: 0;
1994 expected_tag
|= MALI_MFBD_TAG_EXTRA
;
1996 expected_tag
|= (MALI_POSITIVE(info
.rt_count
) << 2);
1999 if ((s
->min_tile_coord
| s
->max_tile_coord
) & ~(MALI_X_COORD_MASK
| MALI_Y_COORD_MASK
)) {
2000 pandecode_msg("XXX: unexpected tile coordinate bits\n");
2001 pandecode_prop("min_tile_coord = 0x%X\n", s
->min_tile_coord
);
2002 pandecode_prop("max_tile_coord = 0x%X\n", s
->max_tile_coord
);
2005 /* Extract tile coordinates */
2007 unsigned min_x
= MALI_TILE_COORD_X(s
->min_tile_coord
) << MALI_TILE_SHIFT
;
2008 unsigned min_y
= MALI_TILE_COORD_Y(s
->min_tile_coord
) << MALI_TILE_SHIFT
;
2010 unsigned max_x
= (MALI_TILE_COORD_X(s
->max_tile_coord
) + 1) << MALI_TILE_SHIFT
;
2011 unsigned max_y
= (MALI_TILE_COORD_Y(s
->max_tile_coord
) + 1) << MALI_TILE_SHIFT
;
2013 /* For the max, we also want the floored (rather than ceiled) version for checking */
2015 unsigned max_x_f
= (MALI_TILE_COORD_X(s
->max_tile_coord
)) << MALI_TILE_SHIFT
;
2016 unsigned max_y_f
= (MALI_TILE_COORD_Y(s
->max_tile_coord
)) << MALI_TILE_SHIFT
;
2018 /* Validate the coordinates are well-ordered */
2021 pandecode_msg("XXX: empty X coordinates (%u = %u)\n", min_x
, max_x
);
2022 else if (min_x
> max_x
)
2023 pandecode_msg("XXX: misordered X coordinates (%u > %u)\n", min_x
, max_x
);
2026 pandecode_msg("XXX: empty X coordinates (%u = %u)\n", min_x
, max_x
);
2027 else if (min_y
> max_y
)
2028 pandecode_msg("XXX: misordered X coordinates (%u > %u)\n", min_x
, max_x
);
2030 /* Validate the coordinates fit inside the framebuffer. We use floor,
2031 * rather than ceil, for the max coordinates, since the tile
2032 * coordinates for something like an 800x600 framebuffer will actually
2033 * resolve to 800x608, which would otherwise trigger a Y-overflow */
2035 if ((min_x
> info
.width
) || (max_x_f
> info
.width
))
2036 pandecode_msg("XXX: tile coordinates overflow in X direction\n");
2038 if ((min_y
> info
.height
) || (max_y_f
> info
.height
))
2039 pandecode_msg("XXX: tile coordinates overflow in Y direction\n");
2041 /* After validation, we print */
2043 pandecode_log("fragment (%u, %u) ... (%u, %u)\n\n", min_x
, min_y
, max_x
, max_y
);
2045 /* The FBD is a tagged pointer */
2047 unsigned tag
= (s
->framebuffer
& ~FBD_MASK
);
2049 if (tag
!= expected_tag
)
2050 pandecode_msg("XXX: expected FBD tag %X but got %X\n", expected_tag
, tag
);
2055 /* Entrypoint to start tracing. jc_gpu_va is the GPU address for the first job
2056 * in the chain; later jobs are found by walking the chain. Bifrost is, well,
2057 * if it's bifrost or not. GPU ID is the more finegrained ID (at some point, we
2058 * might wish to combine this with the bifrost parameter) because some details
2059 * are model-specific even within a particular architecture. Minimal traces
2060 * *only* examine the job descriptors, skipping printing entirely if there is
2061 * no faults, and only descends into the payload if there are faults. This is
2062 * useful for looking for faults without the overhead of invasive traces. */
2065 pandecode_jc(mali_ptr jc_gpu_va
, bool bifrost
, unsigned gpu_id
, bool minimal
)
2067 pandecode_dump_file_open();
2069 struct mali_job_descriptor_header
*h
;
2070 unsigned job_descriptor_number
= 0;
2073 struct pandecode_mapped_memory
*mem
=
2074 pandecode_find_mapped_gpu_mem_containing(jc_gpu_va
);
2078 h
= PANDECODE_PTR(mem
, jc_gpu_va
, struct mali_job_descriptor_header
);
2080 mali_ptr payload_ptr
= jc_gpu_va
+ sizeof(*h
);
2081 payload
= pandecode_fetch_gpu_mem(mem
, payload_ptr
, 64);
2083 int job_no
= job_descriptor_number
++;
2085 /* If the job is good to go, skip it in minimal mode */
2086 if (minimal
&& (h
->exception_status
== 0x0 || h
->exception_status
== 0x1))
2089 pandecode_log("struct mali_job_descriptor_header job_%"PRIx64
"_%d = {\n", jc_gpu_va
, job_no
);
2092 pandecode_prop("job_type = %s", mali_job_type_as_str(h
->job_type
));
2094 if (h
->job_descriptor_size
)
2095 pandecode_prop("job_descriptor_size = %d", h
->job_descriptor_size
);
2097 if (h
->exception_status
&& h
->exception_status
!= 0x1)
2098 pandecode_prop("exception_status = %x (source ID: 0x%x access: %s exception: 0x%x)",
2099 h
->exception_status
,
2100 (h
->exception_status
>> 16) & 0xFFFF,
2101 mali_exception_access_as_str((h
->exception_status
>> 8) & 0x3),
2102 h
->exception_status
& 0xFF);
2104 if (h
->first_incomplete_task
)
2105 pandecode_prop("first_incomplete_task = %d", h
->first_incomplete_task
);
2107 if (h
->fault_pointer
)
2108 pandecode_prop("fault_pointer = 0x%" PRIx64
, h
->fault_pointer
);
2111 pandecode_prop("job_barrier = %d", h
->job_barrier
);
2113 pandecode_prop("job_index = %d", h
->job_index
);
2115 if (h
->unknown_flags
)
2116 pandecode_prop("unknown_flags = %d", h
->unknown_flags
);
2118 if (h
->job_dependency_index_1
)
2119 pandecode_prop("job_dependency_index_1 = %d", h
->job_dependency_index_1
);
2121 if (h
->job_dependency_index_2
)
2122 pandecode_prop("job_dependency_index_2 = %d", h
->job_dependency_index_2
);
2125 pandecode_log("};\n");
2127 switch (h
->job_type
) {
2128 case MALI_JOB_TYPE_WRITE_VALUE
: {
2129 struct mali_payload_write_value
*s
= payload
;
2130 pandecode_log("struct mali_payload_write_value payload_%"PRIx64
"_%d = {\n", payload_ptr
, job_no
);
2132 MEMORY_PROP(s
, address
);
2134 if (s
->value_descriptor
!= MALI_WRITE_VALUE_ZERO
) {
2135 pandecode_msg("XXX: unknown value descriptor\n");
2136 pandecode_prop("value_descriptor = 0x%" PRIX32
, s
->value_descriptor
);
2140 pandecode_msg("XXX: set value tripped\n");
2141 pandecode_prop("reserved = 0x%" PRIX32
, s
->reserved
);
2144 pandecode_prop("immediate = 0x%" PRIX64
, s
->immediate
);
2146 pandecode_log("};\n");
2151 case MALI_JOB_TYPE_TILER
:
2152 case MALI_JOB_TYPE_VERTEX
:
2153 case MALI_JOB_TYPE_COMPUTE
:
2155 if (h
->job_type
== MALI_JOB_TYPE_TILER
)
2156 pandecode_tiler_job_bfr(h
, mem
, payload_ptr
, job_no
, gpu_id
);
2158 pandecode_vertex_job_bfr(h
, mem
, payload_ptr
, job_no
, gpu_id
);
2160 pandecode_vertex_or_tiler_job_mdg(h
, mem
, payload_ptr
, job_no
, gpu_id
);
2164 case MALI_JOB_TYPE_FRAGMENT
:
2165 pandecode_fragment_job(mem
, payload_ptr
, job_no
, bifrost
, gpu_id
);
2171 } while ((jc_gpu_va
= h
->next_job
));
2173 pandecode_map_read_write();