#include "gen_decoder.h"
+#include "isl/isl.h"
#include "genxml/genX_xml.h"
#define XML_BUFFER_SIZE 4096
create_group(struct parser_context *ctx,
const char *name,
const char **atts,
- struct gen_group *parent)
+ struct gen_group *parent,
+ bool fixed_length)
{
struct gen_group *group;
group->spec = ctx->spec;
group->variable = false;
+ group->fixed_length = fixed_length;
for (int i = 0; atts[i]; i += 2) {
char *p;
}
static inline uint64_t
-field(uint64_t value, int start, int end)
+field_value(uint64_t value, int start, int end)
{
get_start_end_pos(&start, &end);
return (value & mask(start, end)) >> (start);
}
-static inline uint64_t
-field_address(uint64_t value, int start, int end)
-{
- /* no need to right shift for address/offset */
- get_start_end_pos(&start, &end);
- return (value & mask(start, end));
-}
-
static struct gen_type
string_to_type(struct parser_context *ctx, const char *s)
{
minor = 0;
ctx->spec->gen = gen_make_gen(major, minor);
- } else if (strcmp(element_name, "instruction") == 0 ||
- strcmp(element_name, "struct") == 0) {
- ctx->group = create_group(ctx, name, atts, NULL);
+ } else if (strcmp(element_name, "instruction") == 0) {
+ ctx->group = create_group(ctx, name, atts, NULL, false);
+ } else if (strcmp(element_name, "struct") == 0) {
+ ctx->group = create_group(ctx, name, atts, NULL, true);
} else if (strcmp(element_name, "register") == 0) {
- ctx->group = create_group(ctx, name, atts, NULL);
+ ctx->group = create_group(ctx, name, atts, NULL, true);
get_register_offset(atts, &ctx->group->register_offset);
} else if (strcmp(element_name, "group") == 0) {
struct gen_group *previous_group = ctx->group;
while (previous_group->next)
previous_group = previous_group->next;
- struct gen_group *group = create_group(ctx, "", atts, ctx->group);
+ struct gen_group *group = create_group(ctx, "", atts, ctx->group, false);
previous_group->next = group;
ctx->group = group;
} else if (strcmp(element_name, "field") == 0) {
}
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,
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)
{
struct parser_context ctx;
void *buf;
uint8_t *text_data = NULL;
- uint32_t text_offset = 0, text_length = 0, total_length;
- uint32_t gen_10 = devinfo_to_gen(devinfo);
+ uint32_t text_offset = 0, text_length = 0;
+ MAYBE_UNUSED uint32_t total_length;
+ 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) {
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 = 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),
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");
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;
}
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;
}
struct gen_group *
gen_spec_find_instruction(struct gen_spec *spec, 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;
return NULL;
}
+struct gen_field *
+gen_group_find_field(struct gen_group *group, const char *name)
+{
+ char path[256];
+ snprintf(path, sizeof(path), "%s/%s", group->name, name);
+
+ struct gen_spec *spec = group->spec;
+ struct hash_entry *entry = _mesa_hash_table_search(spec->access_cache,
+ path);
+ if (entry)
+ return entry->data;
+
+ struct gen_field *field = group->fields;
+ while (field) {
+ if (strcmp(field->name, name) == 0) {
+ _mesa_hash_table_insert(spec->access_cache,
+ ralloc_strdup(spec, path),
+ field);
+ return field;
+ }
+ field = field->next;
+ }
+
+ return NULL;
+}
+
int
gen_group_get_length(struct gen_group *group, const uint32_t *p)
{
+ if (group && group->fixed_length)
+ return group->dw_length;
+
uint32_t h = p[0];
- uint32_t type = field(h, 29, 31);
+ uint32_t type = field_value(h, 29, 31);
switch (type) {
case 0: /* MI */ {
- uint32_t opcode = field(h, 23, 28);
+ uint32_t opcode = field_value(h, 23, 28);
if (opcode < 16)
return 1;
else
- return field(h, 0, 7) + 2;
+ return field_value(h, 0, 7) + 2;
break;
}
case 2: /* BLT */ {
- return field(h, 0, 7) + 2;
+ return field_value(h, 0, 7) + 2;
}
case 3: /* Render */ {
- uint32_t subtype = field(h, 27, 28);
- uint32_t opcode = field(h, 24, 26);
- uint16_t whole_opcode = field(h, 16, 31);
+ uint32_t subtype = field_value(h, 27, 28);
+ uint32_t opcode = field_value(h, 24, 26);
+ uint16_t whole_opcode = field_value(h, 16, 31);
switch (subtype) {
case 0:
if (whole_opcode == 0x6104 /* PIPELINE_SELECT_965 */)
return 1;
else if (opcode < 2)
- return field(h, 0, 7) + 2;
+ return field_value(h, 0, 7) + 2;
else
return -1;
case 1:
return -1;
case 2: {
if (opcode == 0)
- return field(h, 0, 7) + 2;
+ return field_value(h, 0, 7) + 2;
else if (opcode < 3)
- return field(h, 0, 15) + 2;
+ return field_value(h, 0, 15) + 2;
else
return -1;
}
if (whole_opcode == 0x780b)
return 1;
else if (opcode < 4)
- return field(h, 0, 7) + 2;
+ return field_value(h, 0, 7) + 2;
else
return -1;
}
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)
{
}
}
- iter->field = iter->group->fields;
+ iter_start_field(iter, iter->group->fields);
}
static bool
iter_advance_field(struct gen_field_iterator *iter)
{
- while (!iter_more_fields(iter)) {
+ if (iter_more_fields(iter)) {
+ iter_start_field(iter, iter->field->next);
+ } else {
if (!iter_more_groups(iter))
return false;
iter_advance_group(iter);
}
+ return true;
+}
- iter->field = iter->field->next;
- if (iter->field->name)
- strncpy(iter->name, iter->field->name, sizeof(iter->name));
- else
- memset(iter->name, 0, sizeof(iter->name));
+static bool
+iter_decode_field_raw(struct gen_field_iterator *iter, uint64_t *qw)
+{
+ *qw = 0;
- int group_member_offset = iter_group_offset_bits(iter, iter->group_iter);
+ int field_start = iter->p_bit + iter->start_bit;
+ int field_end = iter->p_bit + iter->end_bit;
- iter->start = group_member_offset + iter->field->start;
- iter->end = group_member_offset + iter->field->end;
- iter->dword = iter->start / 32;
- iter->struct_desc = NULL;
+ const uint32_t *p = iter->p + (iter->start_bit / 32);
+ if (iter->p_end && p >= iter->p_end)
+ return false;
+
+ if ((field_end - field_start) > 32) {
+ if (!iter->p_end || (p + 1) < iter->p_end)
+ *qw = ((uint64_t) p[1]) << 32;
+ *qw |= p[0];
+ } else
+ *qw = p[0];
+
+ *qw = field_value(*qw, field_start, field_end);
+
+ /* Address & offset types have to be aligned to dwords, their start bit is
+ * a reminder of the alignment requirement.
+ */
+ if (iter->field->type.kind == GEN_TYPE_ADDRESS ||
+ iter->field->type.kind == GEN_TYPE_OFFSET)
+ *qw <<= field_start % 32;
return true;
}
-static void
+static bool
iter_decode_field(struct gen_field_iterator *iter)
{
union {
} v;
if (iter->field->name)
- strncpy(iter->name, iter->field->name, sizeof(iter->name));
+ snprintf(iter->name, sizeof(iter->name), "%s", iter->field->name);
else
memset(iter->name, 0, sizeof(iter->name));
memset(&v, 0, sizeof(v));
- if ((iter->field->end - iter->field->start) > 32) {
- if (&iter->p[iter->dword + 1] < iter->p_end)
- v.qw = ((uint64_t) iter->p[iter->dword+1] << 32);
- v.qw |= iter->p[iter->dword];
- } else
- v.qw = iter->p[iter->dword];
+ if (!iter_decode_field_raw(iter, &iter->raw_value))
+ return false;
const char *enum_name = NULL;
+ v.qw = iter->raw_value;
switch (iter->field->type.kind) {
case GEN_TYPE_UNKNOWN:
case GEN_TYPE_INT: {
- uint64_t value = field(v.qw, iter->start, iter->end);
- snprintf(iter->value, sizeof(iter->value), "%"PRId64, value);
- enum_name = gen_get_enum_name(&iter->field->inline_enum, value);
+ snprintf(iter->value, sizeof(iter->value), "%"PRId64, v.qw);
+ enum_name = gen_get_enum_name(&iter->field->inline_enum, v.qw);
break;
}
case GEN_TYPE_UINT: {
- uint64_t value = field(v.qw, iter->start, iter->end);
- snprintf(iter->value, sizeof(iter->value), "%"PRIu64, value);
- enum_name = gen_get_enum_name(&iter->field->inline_enum, value);
+ snprintf(iter->value, sizeof(iter->value), "%"PRIu64, v.qw);
+ enum_name = gen_get_enum_name(&iter->field->inline_enum, v.qw);
break;
}
case GEN_TYPE_BOOL: {
const char *true_string =
iter->print_colors ? "\e[0;35mtrue\e[0m" : "true";
snprintf(iter->value, sizeof(iter->value), "%s",
- field(v.qw, iter->start, iter->end) ?
- true_string : "false");
+ v.qw ? true_string : "false");
break;
}
case GEN_TYPE_FLOAT:
break;
case GEN_TYPE_ADDRESS:
case GEN_TYPE_OFFSET:
- snprintf(iter->value, sizeof(iter->value), "0x%08"PRIx64,
- field_address(v.qw, iter->start, iter->end));
+ snprintf(iter->value, sizeof(iter->value), "0x%08"PRIx64, v.qw);
break;
case GEN_TYPE_STRUCT:
snprintf(iter->value, sizeof(iter->value), "<struct %s>",
break;
case GEN_TYPE_UFIXED:
snprintf(iter->value, sizeof(iter->value), "%f",
- (float) field(v.qw, iter->start, iter->end) /
- (1 << iter->field->type.f));
+ (float) v.qw / (1 << iter->field->type.f));
break;
- case GEN_TYPE_SFIXED:
- /* FIXME: Sign extend extracted field. */
- snprintf(iter->value, sizeof(iter->value), "%s", "foo");
+ case GEN_TYPE_SFIXED: {
+ /* Sign extend before converting */
+ int bits = iter->field->type.i + iter->field->type.f + 1;
+ int64_t v_sign_extend = ((int64_t)(v.qw << (64 - bits))) >> (64 - bits);
+ snprintf(iter->value, sizeof(iter->value), "%f",
+ (float) v_sign_extend / (1 << iter->field->type.f));
break;
+ }
case GEN_TYPE_MBO:
break;
case GEN_TYPE_ENUM: {
- uint64_t value = field(v.qw, iter->start, iter->end);
- snprintf(iter->value, sizeof(iter->value),
- "%"PRId64, value);
- enum_name = gen_get_enum_name(iter->field->type.gen_enum, value);
+ snprintf(iter->value, sizeof(iter->value), "%"PRId64, v.qw);
+ enum_name = gen_get_enum_name(iter->field->type.gen_enum, v.qw);
break;
}
}
int length = strlen(iter->value);
snprintf(iter->value + length, sizeof(iter->value) - length,
" (%s)", enum_name);
+ } 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);
+ snprintf(iter->value + length, sizeof(iter->value) - length,
+ " (%s)", fmt_name);
+ }
}
+
+ return true;
}
void
gen_field_iterator_init(struct gen_field_iterator *iter,
struct gen_group *group,
- const uint32_t *p,
+ const uint32_t *p, int p_bit,
bool print_colors)
{
memset(iter, 0, sizeof(*iter));
iter->group = group;
- if (group->fields)
- iter->field = group->fields;
- else
- iter->field = group->next->fields;
iter->p = p;
- iter->p_end = &p[gen_group_get_length(iter->group, iter->p)];
- iter->print_colors = print_colors;
+ iter->p_bit = p_bit;
- iter_decode_field(iter);
+ int length = gen_group_get_length(iter->group, iter->p);
+ assert(length >= 0 && "error the length is unknown!");
+ iter->p_end = length >= 0 ? &p[length] : NULL;
+ iter->print_colors = print_colors;
}
bool
gen_field_iterator_next(struct gen_field_iterator *iter)
{
+ /* Initial condition */
+ if (!iter->field) {
+ if (iter->group->fields)
+ iter_start_field(iter, iter->group->fields);
+ else
+ iter_start_field(iter, iter->group->next->fields);
+
+ bool result = iter_decode_field(iter);
+ 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 result;
+ }
+
if (!iter_advance_field(iter))
return false;
- iter_decode_field(iter);
+ if (!iter_decode_field(iter))
+ return false;
return true;
}
}
void
-gen_print_group(FILE *outfile, struct gen_group *group,
- uint64_t offset, const uint32_t *p, bool color)
+gen_print_group(FILE *outfile, struct gen_group *group, uint64_t offset,
+ const uint32_t *p, int p_bit, bool color)
{
struct gen_field_iterator iter;
int last_dword = -1;
- gen_field_iterator_init(&iter, group, p, color);
- do {
- if (last_dword != iter.dword) {
- for (int i = last_dword + 1; i <= iter.dword; i++)
+ gen_field_iterator_init(&iter, group, p, p_bit, color);
+ while (gen_field_iterator_next(&iter)) {
+ int iter_dword = iter.end_bit / 32;
+ if (last_dword != iter_dword) {
+ for (int i = last_dword + 1; i <= iter_dword; i++)
print_dword_header(outfile, &iter, offset, i);
- last_dword = iter.dword;
+ last_dword = iter_dword;
}
if (!gen_field_is_header(iter.field)) {
fprintf(outfile, " %s: %s\n", iter.name, iter.value);
if (iter.struct_desc) {
- uint64_t struct_offset = offset + 4 * iter.dword;
+ int struct_dword = iter.start_bit / 32;
+ uint64_t struct_offset = offset + 4 * struct_dword;
gen_print_group(outfile, iter.struct_desc, struct_offset,
- &p[iter.dword], color);
+ &p[struct_dword], iter.start_bit % 32, color);
}
}
- } while (gen_field_iterator_next(&iter));
+ }
}
projects / mesa.git / blobdiff