X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fintel%2Fcommon%2Fgen_decoder.c;h=50ef2c4204fd294d94cd2218335c830a8966703b;hb=4bbc9c493f4b923516d9ef40b41a0dd7648fdb1e;hp=39da3cadbf8df655e74b08b7602d642e62afc630;hpb=578e45ab7bc58e153c4e7e1e2a024e7dfd7159f2;p=mesa.git diff --git a/src/intel/common/gen_decoder.c b/src/intel/common/gen_decoder.c index 39da3cadbf8..50ef2c4204f 100644 --- a/src/intel/common/gen_decoder.c +++ b/src/intel/common/gen_decoder.c @@ -163,11 +163,41 @@ create_group(struct parser_context *ctx, group->spec = ctx->spec; group->variable = false; group->fixed_length = fixed_length; + group->dword_length_field = NULL; + group->dw_length = 0; + group->engine_mask = I915_ENGINE_CLASS_TO_MASK(I915_ENGINE_CLASS_RENDER) | + I915_ENGINE_CLASS_TO_MASK(I915_ENGINE_CLASS_VIDEO) | + I915_ENGINE_CLASS_TO_MASK(I915_ENGINE_CLASS_COPY); + group->bias = 1; for (int i = 0; atts[i]; i += 2) { char *p; if (strcmp(atts[i], "length") == 0) { group->dw_length = strtoul(atts[i + 1], &p, 0); + } else if (strcmp(atts[i], "bias") == 0) { + group->bias = strtoul(atts[i + 1], &p, 0); + } else if (strcmp(atts[i], "engine") == 0) { + void *mem_ctx = ralloc_context(NULL); + char *tmp = ralloc_strdup(mem_ctx, atts[i + 1]); + char *save_ptr; + char *tok = strtok_r(tmp, "|", &save_ptr); + + group->engine_mask = 0; + while (tok != NULL) { + if (strcmp(tok, "render") == 0) { + group->engine_mask |= I915_ENGINE_CLASS_TO_MASK(I915_ENGINE_CLASS_RENDER); + } else if (strcmp(tok, "video") == 0) { + group->engine_mask |= I915_ENGINE_CLASS_TO_MASK(I915_ENGINE_CLASS_VIDEO); + } else if (strcmp(tok, "blitter") == 0) { + group->engine_mask |= I915_ENGINE_CLASS_TO_MASK(I915_ENGINE_CLASS_COPY); + } else { + fprintf(stderr, "unknown engine class defined for instruction \"%s\": %s\n", name, atts[i + 1]); + } + + tok = strtok_r(NULL, "|", &save_ptr); + } + + ralloc_free(mem_ctx); } } @@ -288,15 +318,18 @@ create_field(struct parser_context *ctx, const char **atts) for (int i = 0; atts[i]; i += 2) { char *p; - if (strcmp(atts[i], "name") == 0) + if (strcmp(atts[i], "name") == 0) { field->name = ralloc_strdup(field, atts[i + 1]); - else if (strcmp(atts[i], "start") == 0) + if (strcmp(field->name, "DWord Length") == 0) { + field->parent->dword_length_field = field; + } + } else if (strcmp(atts[i], "start") == 0) { field->start = strtoul(atts[i + 1], &p, 0); - else if (strcmp(atts[i], "end") == 0) { + } else if (strcmp(atts[i], "end") == 0) { field->end = strtoul(atts[i + 1], &p, 0); - } else if (strcmp(atts[i], "type") == 0) + } else if (strcmp(atts[i], "type") == 0) { field->type = string_to_type(ctx, atts[i + 1]); - else if (strcmp(atts[i], "default") == 0 && + } else if (strcmp(atts[i], "default") == 0 && field->start >= 16 && field->end <= 31) { field->has_default = true; field->default_value = strtoul(atts[i + 1], &p, 0); @@ -463,14 +496,13 @@ character_data(void *data, const XML_Char *s, int len) } static int -devinfo_to_gen(const struct gen_device_info *devinfo) +devinfo_to_gen(const struct gen_device_info *devinfo, bool x10) { - int value = 10 * devinfo->gen; - - if (devinfo->is_baytrail || devinfo->is_haswell) - value += 5; + if (devinfo->is_baytrail || devinfo->is_haswell) { + return devinfo->gen * 10 + 5; + } - return value; + return x10 ? devinfo->gen * 10 : devinfo->gen; } static uint32_t zlib_inflate(const void *compressed_data, @@ -526,6 +558,30 @@ static uint32_t _hash_uint32(const void *key) return (uint32_t) (uintptr_t) key; } +static struct gen_spec * +gen_spec_init(void) +{ + struct gen_spec *spec; + spec = rzalloc(NULL, struct gen_spec); + if (spec == NULL) + return NULL; + + spec->commands = + _mesa_hash_table_create(spec, _mesa_hash_string, _mesa_key_string_equal); + spec->structs = + _mesa_hash_table_create(spec, _mesa_hash_string, _mesa_key_string_equal); + spec->registers_by_name = + _mesa_hash_table_create(spec, _mesa_hash_string, _mesa_key_string_equal); + spec->registers_by_offset = + _mesa_hash_table_create(spec, _hash_uint32, _mesa_key_pointer_equal); + spec->enums = + _mesa_hash_table_create(spec, _mesa_hash_string, _mesa_key_string_equal); + spec->access_cache = + _mesa_hash_table_create(spec, _mesa_hash_string, _mesa_key_string_equal); + + return spec; +} + struct gen_spec * gen_spec_load(const struct gen_device_info *devinfo) { @@ -534,7 +590,7 @@ gen_spec_load(const struct gen_device_info *devinfo) uint8_t *text_data = NULL; uint32_t text_offset = 0, text_length = 0; MAYBE_UNUSED uint32_t total_length; - uint32_t gen_10 = devinfo_to_gen(devinfo); + uint32_t gen_10 = devinfo_to_gen(devinfo, true); for (int i = 0; i < ARRAY_SIZE(genxml_files_table); i++) { if (genxml_files_table[i].gen_10 == gen_10) { @@ -560,21 +616,11 @@ gen_spec_load(const struct gen_device_info *devinfo) XML_SetElementHandler(ctx.parser, start_element, end_element); XML_SetCharacterDataHandler(ctx.parser, character_data); - ctx.spec = rzalloc(NULL, struct gen_spec); - - ctx.spec->commands = - _mesa_hash_table_create(ctx.spec, _mesa_hash_string, _mesa_key_string_equal); - ctx.spec->structs = - _mesa_hash_table_create(ctx.spec, _mesa_hash_string, _mesa_key_string_equal); - ctx.spec->registers_by_name = - _mesa_hash_table_create(ctx.spec, _mesa_hash_string, _mesa_key_string_equal); - ctx.spec->registers_by_offset = - _mesa_hash_table_create(ctx.spec, _hash_uint32, _mesa_key_pointer_equal); - ctx.spec->enums = - _mesa_hash_table_create(ctx.spec, _mesa_hash_string, _mesa_key_string_equal); - - ctx.spec->access_cache = - _mesa_hash_table_create(ctx.spec, _mesa_hash_string, _mesa_key_string_equal); + ctx.spec = gen_spec_init(); + if (ctx.spec == NULL) { + fprintf(stderr, "Failed to create gen_spec\n"); + return NULL; + } total_length = zlib_inflate(compress_genxmls, sizeof(compress_genxmls), @@ -613,7 +659,7 @@ gen_spec_load_from_path(const struct gen_device_info *devinfo, FILE *input; len = snprintf(filename, filename_len, "%s/gen%i.xml", - path, devinfo_to_gen(devinfo)); + path, devinfo_to_gen(devinfo, false)); assert(len < filename_len); input = fopen(filename, "r"); @@ -636,24 +682,31 @@ gen_spec_load_from_path(const struct gen_device_info *devinfo, XML_SetElementHandler(ctx.parser, start_element, end_element); XML_SetCharacterDataHandler(ctx.parser, character_data); ctx.loc.filename = filename; - ctx.spec = rzalloc(NULL, struct gen_spec); + + ctx.spec = gen_spec_init(); + if (ctx.spec == NULL) { + fprintf(stderr, "Failed to create gen_spec\n"); + goto end; + } do { buf = XML_GetBuffer(ctx.parser, XML_BUFFER_SIZE); len = fread(buf, 1, XML_BUFFER_SIZE, input); - if (len == 0) { + if (ferror(input)) { fprintf(stderr, "fread: %m\n"); - free(ctx.spec); + gen_spec_destroy(ctx.spec); ctx.spec = NULL; goto end; - } + } else if (feof(input)) + goto end; + if (XML_ParseBuffer(ctx.parser, len, len == 0) == 0) { fprintf(stderr, "Error parsing XML at line %ld col %ld: %s\n", XML_GetCurrentLineNumber(ctx.parser), XML_GetCurrentColumnNumber(ctx.parser), XML_ErrorString(XML_GetErrorCode(ctx.parser))); - free(ctx.spec); + gen_spec_destroy(ctx.spec); ctx.spec = NULL; goto end; } @@ -665,6 +718,12 @@ gen_spec_load_from_path(const struct gen_device_info *devinfo, fclose(input); free(filename); + /* free ctx.spec if genxml is empty */ + if (ctx.spec && _mesa_hash_table_num_entries(ctx.spec->commands) == 0) { + gen_spec_destroy(ctx.spec); + return NULL; + } + return ctx.spec; } @@ -674,14 +733,15 @@ void gen_spec_destroy(struct gen_spec *spec) } struct gen_group * -gen_spec_find_instruction(struct gen_spec *spec, const uint32_t *p) +gen_spec_find_instruction(struct gen_spec *spec, + enum drm_i915_gem_engine_class engine, + const uint32_t *p) { - struct hash_entry *entry; - hash_table_foreach(spec->commands, entry) { struct gen_group *command = entry->data; uint32_t opcode = *p & command->opcode_mask; - if (opcode == command->opcode) + if ((command->engine_mask & I915_ENGINE_CLASS_TO_MASK(engine)) && + opcode == command->opcode) return command; } @@ -717,8 +777,16 @@ gen_group_find_field(struct gen_group *group, const char *name) int gen_group_get_length(struct gen_group *group, const uint32_t *p) { - if (group && group->fixed_length) - return group->dw_length; + if (group) { + if (group->fixed_length) + return group->dw_length; + else { + struct gen_field *field = group->dword_length_field; + if (field) { + return field_value(p[0], field->start, field->end) + group->bias; + } + } + } uint32_t h = p[0]; uint32_t type = field_value(h, 29, 31); @@ -804,14 +872,28 @@ static bool iter_more_groups(const struct gen_field_iterator *iter) { if (iter->group->variable) { + int length = gen_group_get_length(iter->group, iter->p); + assert(length >= 0 && "error the length is unknown!"); return iter_group_offset_bits(iter, iter->group_iter + 1) < - (gen_group_get_length(iter->group, iter->p) * 32); + (length * 32); } else { return (iter->group_iter + 1) < iter->group->group_count || iter->group->next != NULL; } } +static void +iter_start_field(struct gen_field_iterator *iter, struct gen_field *field) +{ + iter->field = field; + + int group_member_offset = iter_group_offset_bits(iter, iter->group_iter); + + iter->start_bit = group_member_offset + iter->field->start; + iter->end_bit = group_member_offset + iter->field->end; + iter->struct_desc = NULL; +} + static void iter_advance_group(struct gen_field_iterator *iter) { @@ -826,32 +908,20 @@ iter_advance_group(struct gen_field_iterator *iter) } } - iter->field = iter->group->fields; + iter_start_field(iter, iter->group->fields); } static bool iter_advance_field(struct gen_field_iterator *iter) { if (iter_more_fields(iter)) { - iter->field = iter->field->next; + iter_start_field(iter, iter->field->next); } else { if (!iter_more_groups(iter)) return false; iter_advance_group(iter); } - - if (iter->field->name) - snprintf(iter->name, sizeof(iter->name), "%s", iter->field->name); - else - memset(iter->name, 0, sizeof(iter->name)); - - int group_member_offset = iter_group_offset_bits(iter, iter->group_iter); - - iter->start_bit = group_member_offset + iter->field->start; - iter->end_bit = group_member_offset + iter->field->end; - iter->struct_desc = NULL; - return true; } @@ -971,7 +1041,8 @@ iter_decode_field(struct gen_field_iterator *iter) int length = strlen(iter->value); snprintf(iter->value + length, sizeof(iter->value) - length, " (%s)", enum_name); - } else if (strcmp(iter->name, "Surface Format") == 0) { + } else if (strcmp(iter->name, "Surface Format") == 0 || + strcmp(iter->name, "Source Element Format") == 0) { if (isl_format_is_valid((enum isl_format)v.qw)) { const char *fmt_name = isl_format_get_name((enum isl_format)v.qw); int length = strlen(iter->value); @@ -996,7 +1067,8 @@ gen_field_iterator_init(struct gen_field_iterator *iter, iter->p_bit = p_bit; int length = gen_group_get_length(iter->group, iter->p); - iter->p_end = length > 0 ? &p[length] : NULL; + assert(length >= 0 && "error the length is unknown!"); + iter->p_end = length >= 0 ? &p[length] : NULL; iter->print_colors = print_colors; } @@ -1006,15 +1078,19 @@ gen_field_iterator_next(struct gen_field_iterator *iter) /* Initial condition */ if (!iter->field) { if (iter->group->fields) - iter->field = iter->group->fields; + iter_start_field(iter, iter->group->fields); else - iter->field = iter->group->next->fields; + iter_start_field(iter, iter->group->next->fields); bool result = iter_decode_field(iter); - if (iter->p_end) - assert(result); + if (!result && iter->p_end) { + /* We're dealing with a non empty struct of length=0 (BLEND_STATE on + * Gen 7.5) + */ + assert(iter->group->dw_length == 0); + } - return true; + return result; } if (!iter_advance_field(iter))