From b1af896853569ba9bb85189bf094efeeb8c01ce2 Mon Sep 17 00:00:00 2001 From: Matt Turner Date: Mon, 3 Apr 2017 11:10:37 -0700 Subject: [PATCH] intel/aubinator_error_decode: Disassemble shader programs Reviewed-by: Topi Pohjolainen --- src/intel/Makefile.tools.am | 6 +- src/intel/tools/aubinator_error_decode.c | 184 ++++++++++++++++++++++- 2 files changed, 186 insertions(+), 4 deletions(-) diff --git a/src/intel/Makefile.tools.am b/src/intel/Makefile.tools.am index 576beea4f2a..11751180e69 100644 --- a/src/intel/Makefile.tools.am +++ b/src/intel/Makefile.tools.am @@ -47,11 +47,15 @@ tools_aubinator_LDADD = \ tools_aubinator_error_decode_SOURCES = \ - tools/aubinator_error_decode.c + tools/aubinator_error_decode.c \ + tools/disasm.c \ + tools/gen_disasm.h tools_aubinator_error_decode_LDADD = \ common/libintel_common.la \ + compiler/libintel_compiler.la \ $(top_builddir)/src/util/libmesautil.la \ + $(PTHREAD_LIBS) \ $(EXPAT_LIBS) \ $(ZLIB_LIBS) diff --git a/src/intel/tools/aubinator_error_decode.c b/src/intel/tools/aubinator_error_decode.c index 244bef89344..37c66ec0f68 100644 --- a/src/intel/tools/aubinator_error_decode.c +++ b/src/intel/tools/aubinator_error_decode.c @@ -40,6 +40,7 @@ #include "common/gen_decoder.h" #include "util/macros.h" +#include "gen_disasm.h" #define CSI "\e[" #define BLUE_HEADER CSI "0;44m" @@ -209,6 +210,18 @@ print_fault_data(struct gen_device_info *devinfo, uint32_t data1, uint32_t data0 #define CSI "\e[" #define NORMAL CSI "0m" +struct program { + const char *type; + const char *command; + uint64_t command_offset; + uint64_t instruction_base_address; + uint64_t ksp; +}; + +#define MAX_NUM_PROGRAMS 4096 +static struct program programs[MAX_NUM_PROGRAMS]; +static int num_programs = 0; + static void decode(struct gen_spec *spec, const char *buffer_name, const char *ring_name, @@ -219,6 +232,7 @@ static void decode(struct gen_spec *spec, uint32_t *p, *end = (data + *count); int length; struct gen_group *inst; + uint64_t current_instruction_base_address = 0; for (p = data; p < end; p += length) { const char *color = option_full_decode ? BLUE_HEADER : NORMAL, @@ -246,6 +260,132 @@ static void decode(struct gen_spec *spec, if (strcmp(inst->name, "MI_BATCH_BUFFER_END") == 0) break; + + if (strcmp(inst->name, "STATE_BASE_ADDRESS") == 0) { + struct gen_field_iterator iter; + gen_field_iterator_init(&iter, inst, p, false); + + while (gen_field_iterator_next(&iter)) { + if (strcmp(iter.name, "Instruction Base Address") == 0) { + current_instruction_base_address = strtol(iter.value, NULL, 16); + } + } + } else if (strcmp(inst->name, "WM_STATE") == 0 || + strcmp(inst->name, "3DSTATE_PS") == 0 || + strcmp(inst->name, "3DSTATE_WM") == 0) { + struct gen_field_iterator iter; + gen_field_iterator_init(&iter, inst, p, false); + uint64_t ksp[3] = {0, 0, 0}; + bool enabled[3] = {false, false, false}; + + while (gen_field_iterator_next(&iter)) { + if (strncmp(iter.name, "Kernel Start Pointer ", + strlen("Kernel Start Pointer ")) == 0) { + int idx = iter.name[strlen("Kernel Start Pointer ")] - '0'; + ksp[idx] = strtol(iter.value, NULL, 16); + } else if (strcmp(iter.name, "8 Pixel Dispatch Enable") == 0) { + enabled[0] = strcmp(iter.value, "true") == 0; + } else if (strcmp(iter.name, "16 Pixel Dispatch Enable") == 0) { + enabled[1] = strcmp(iter.value, "true") == 0; + } else if (strcmp(iter.name, "32 Pixel Dispatch Enable") == 0) { + enabled[2] = strcmp(iter.value, "true") == 0; + } + } + + /* FINISHME: Broken for multi-program WM_STATE, + * which Mesa does not use + */ + if (enabled[0] + enabled[1] + enabled[2] == 1) { + const char *type = enabled[0] ? "SIMD8 fragment shader" : + enabled[1] ? "SIMD16 fragment shader" : + enabled[2] ? "SIMD32 fragment shader" : NULL; + + programs[num_programs++] = (struct program) { + .type = type, + .command = inst->name, + .command_offset = offset, + .instruction_base_address = current_instruction_base_address, + .ksp = ksp[0], + }; + } else { + if (enabled[0]) /* SIMD8 */ { + programs[num_programs++] = (struct program) { + .type = "SIMD8 fragment shader", + .command = inst->name, + .command_offset = offset, + .instruction_base_address = current_instruction_base_address, + .ksp = ksp[0], + .ksp = ksp[0], /* SIMD8 shader is specified by ksp[0] */ + }; + } + if (enabled[1]) /* SIMD16 */ { + programs[num_programs++] = (struct program) { + .type = "SIMD16 fragment shader", + .command = inst->name, + .command_offset = offset, + .instruction_base_address = current_instruction_base_address, + .ksp = ksp[2], /* SIMD16 shader is specified by ksp[2] */ + }; + } + if (enabled[2]) /* SIMD32 */ { + programs[num_programs++] = (struct program) { + .type = "SIMD32 fragment shader", + .command = inst->name, + .command_offset = offset, + .instruction_base_address = current_instruction_base_address, + .ksp = ksp[1], /* SIMD32 shader is specified by ksp[1] */ + }; + } + } + } else if (strcmp(inst->name, "VS_STATE") == 0 || + strcmp(inst->name, "GS_STATE") == 0 || + strcmp(inst->name, "SF_STATE") == 0 || + strcmp(inst->name, "CLIP_STATE") == 0 || + strcmp(inst->name, "3DSTATE_DS") == 0 || + strcmp(inst->name, "3DSTATE_HS") == 0 || + strcmp(inst->name, "3DSTATE_GS") == 0 || + strcmp(inst->name, "3DSTATE_VS") == 0) { + struct gen_field_iterator iter; + gen_field_iterator_init(&iter, inst, p, false); + uint64_t ksp = 0; + bool is_simd8 = false; /* vertex shaders on Gen8+ only */ + bool is_enabled = true; + + while (gen_field_iterator_next(&iter)) { + if (strcmp(iter.name, "Kernel Start Pointer") == 0) { + ksp = strtol(iter.value, NULL, 16); + } else if (strcmp(iter.name, "SIMD8 Dispatch Enable") == 0) { + is_simd8 = strcmp(iter.value, "true") == 0; + } else if (strcmp(iter.name, "Dispatch Enable") == 0) { + is_simd8 = strcmp(iter.value, "SIMD8") == 0; + } else if (strcmp(iter.name, "Function Enable") == 0) { + is_enabled = strcmp(iter.value, "true") == 0; + } + } + + const char *type = + strcmp(inst->name, "VS_STATE") == 0 ? "vertex shader" : + strcmp(inst->name, "GS_STATE") == 0 ? "geometry shader" : + strcmp(inst->name, "SF_STATE") == 0 ? "strips and fans shader" : + strcmp(inst->name, "CLIP_STATE") == 0 ? "clip shader" : + strcmp(inst->name, "3DSTATE_DS") == 0 ? "tessellation control shader" : + strcmp(inst->name, "3DSTATE_HS") == 0 ? "tessellation evaluation shader" : + strcmp(inst->name, "3DSTATE_VS") == 0 ? (is_simd8 ? "SIMD8 vertex shader" : "vec4 vertex shader") : + strcmp(inst->name, "3DSTATE_GS") == 0 ? (is_simd8 ? "SIMD8 geometry shader" : "vec4 geometry shader") : + NULL; + + if (is_enabled) { + programs[num_programs++] = (struct program) { + .type = type, + .command = inst->name, + .command_offset = offset, + .instruction_base_address = current_instruction_base_address, + .ksp = ksp, + }; + } + } + + assert(num_programs < MAX_NUM_PROGRAMS); } } @@ -348,6 +488,7 @@ read_data_file(FILE *file) const char *buffer_name = "batch buffer"; char *ring_name = NULL; struct gen_device_info devinfo; + struct gen_disasm *disasm = NULL; while (getline(&line, &line_size, file) > 0) { char *new_ring_name = NULL; @@ -424,6 +565,22 @@ read_data_file(FILE *file) buffer_name = "HW Context"; continue; } + + matched = sscanf(dashes, "--- user = 0x%08x %08x\n", + &hi, &lo); + if (matched > 0) { + new_gtt_offset = hi; + if (matched == 2) { + new_gtt_offset <<= 32; + new_gtt_offset |= lo; + } + + gtt_offset = new_gtt_offset; + free(ring_name); + ring_name = new_ring_name; + buffer_name = "user"; + continue; + } } if (line[0] == ':' || line[0] == '~') { @@ -432,9 +589,27 @@ read_data_file(FILE *file) fprintf(stderr, "ASCII85 decode failed.\n"); exit(1); } - decode(spec, - buffer_name, ring_name, - gtt_offset, data, &count); + + if (strcmp(buffer_name, "user") == 0) { + printf("Disassembly of programs in instruction buffer at " + "0x%08"PRIx64":\n", gtt_offset); + for (int i = 0; i < num_programs; i++) { + if (programs[i].instruction_base_address == gtt_offset) { + printf("\n%s (specified by %s at batch offset " + "0x%08"PRIx64") at offset 0x%08"PRIx64"\n", + programs[i].type, + programs[i].command, + programs[i].command_offset, + programs[i].ksp); + gen_disasm_disassemble(disasm, data, programs[i].ksp, + stdout); + } + } + } else { + decode(spec, + buffer_name, ring_name, + gtt_offset, data, &count); + } continue; } @@ -463,6 +638,8 @@ read_data_file(FILE *file) return; } + disasm = gen_disasm_create(reg); + printf("Detected GEN%i chipset\n", devinfo.gen); if (xml_path == NULL) @@ -552,6 +729,7 @@ read_data_file(FILE *file) buffer_name, ring_name, gtt_offset, data, &count); + gen_disasm_destroy(disasm); free(data); free(line); free(ring_name); -- 2.30.2