[Mesa-dev] [PATCH 18/18] aubinator: Add support for enum types
Kristian H. Kristensen
hoegsberg at gmail.com
Tue Nov 29 20:48:18 UTC 2016
Signed-off-by: Kristian H. Kristensen <hoegsberg at gmail.com>
---
src/intel/tools/decoder.c | 97 ++++++++++++++++++++++++++++++++++-------------
src/intel/tools/decoder.h | 36 +++++++++++-------
2 files changed, 93 insertions(+), 40 deletions(-)
diff --git a/src/intel/tools/decoder.c b/src/intel/tools/decoder.c
index 633251a..defb087 100644
--- a/src/intel/tools/decoder.c
+++ b/src/intel/tools/decoder.c
@@ -52,6 +52,8 @@ struct gen_spec {
struct gen_group *structs[256];
int nregisters;
struct gen_group *registers[256];
+ int nenums;
+ struct gen_enum *enums[256];
};
struct location {
@@ -66,10 +68,14 @@ struct parser_context {
const char *platform;
struct gen_group *group;
+ struct gen_enum *enoom;
int nfields;
struct gen_field *fields[128];
+ int nvalues;
+ struct gen_value *values[256];
+
struct gen_spec *spec;
};
@@ -105,6 +111,16 @@ gen_spec_find_register(struct gen_spec *spec, uint32_t offset)
return NULL;
}
+struct gen_enum *
+gen_spec_find_enum(struct gen_spec *spec, const char *name)
+{
+ for (int i = 0; i < spec->nenums; i++)
+ if (strcmp(spec->enums[i]->name, name) == 0)
+ return spec->enums[i];
+
+ return NULL;
+}
+
uint32_t
gen_spec_get_gen(struct gen_spec *spec)
{
@@ -169,6 +185,20 @@ create_group(struct parser_context *ctx, const char *name, const char **atts)
return group;
}
+static struct gen_enum *
+create_enum(struct parser_context *ctx, const char *name, const char **atts)
+{
+ struct gen_enum *e;
+
+ e = xzalloc(sizeof(*e));
+ if (name)
+ e->name = xstrdup(name);
+
+ e->nvalues = 0;
+
+ return e;
+}
+
static void
get_group_offset_count(struct parser_context *ctx, const char *name,
const char **atts, uint32_t *offset, uint32_t *count)
@@ -248,6 +278,7 @@ string_to_type(struct parser_context *ctx, const char *s)
{
int i, f;
struct gen_group *g;
+ struct gen_enum *e;
if (strcmp(s, "int") == 0)
return (struct gen_type) { .kind = GEN_TYPE_INT };
@@ -267,6 +298,8 @@ string_to_type(struct parser_context *ctx, const char *s)
return (struct gen_type) { .kind = GEN_TYPE_SFIXED, .i = i, .f = f };
else if (g = gen_spec_find_struct(ctx->spec, s), g != NULL)
return (struct gen_type) { .kind = GEN_TYPE_STRUCT, .gen_struct = g };
+ else if (e = gen_spec_find_enum(ctx->spec, s), e != NULL)
+ return (struct gen_type) { .kind = GEN_TYPE_ENUM, .gen_enum = e };
else if (strcmp(s, "mbo") == 0)
return (struct gen_type) { .kind = GEN_TYPE_MBO };
else
@@ -366,23 +399,9 @@ start_element(void *data, const char *element_name, const char **atts)
ctx->group->group_count--;
} while (ctx->group->group_count > 0);
} else if (strcmp(element_name, "enum") == 0) {
+ ctx->enoom = create_enum(ctx, name, atts);
} else if (strcmp(element_name, "value") == 0) {
- if (ctx->nfields > 0) {
- struct gen_field *field = ctx->fields[ctx->nfields - 1];
- if (field->n_allocated_values <= field->n_values) {
- if (field->n_allocated_values == 0) {
- field->n_allocated_values = 2;
- field->values =
- xzalloc(sizeof(field->values[0]) * field->n_allocated_values);
- } else {
- field->n_allocated_values *= 2;
- field->values =
- realloc(field->values,
- sizeof(field->values[0]) * field->n_allocated_values);
- }
- }
- field->values[field->n_values++] = create_value(ctx, atts);
- }
+ ctx->values[ctx->nvalues++] = create_value(ctx, atts);
}
}
@@ -390,6 +409,7 @@ static void
end_element(void *data, const char *name)
{
struct parser_context *ctx = data;
+ struct gen_spec *spec = ctx->spec;
if (strcmp(name, "instruction") == 0 ||
strcmp(name, "struct") == 0 ||
@@ -414,7 +434,6 @@ end_element(void *data, const char *name)
}
}
- struct gen_spec *spec = ctx->spec;
if (strcmp(name, "instruction") == 0)
spec->commands[spec->ncommands++] = group;
else if (strcmp(name, "struct") == 0)
@@ -424,6 +443,23 @@ end_element(void *data, const char *name)
} else if (strcmp(name, "group") == 0) {
ctx->group->group_offset = 0;
ctx->group->group_count = 0;
+ } else if (strcmp(name, "field") == 0) {
+ assert(ctx->nfields > 0);
+ struct gen_field *field = ctx->fields[ctx->nfields - 1];
+ size_t size = ctx->nvalues * sizeof(ctx->values[0]);
+ field->inline_enum.values = xzalloc(size);
+ field->inline_enum.nvalues = ctx->nvalues;
+ memcpy(field->inline_enum.values, ctx->values, size);
+ ctx->nvalues = 0;
+ } else if (strcmp(name, "enum") == 0) {
+ struct gen_enum *e = ctx->enoom;
+ size_t size = ctx->nvalues * sizeof(ctx->values[0]);
+ e->values = xzalloc(size);
+ e->nvalues = ctx->nvalues;
+ memcpy(e->values, ctx->values, size);
+ ctx->nvalues = 0;
+ ctx->enoom = NULL;
+ spec->enums[spec->nenums++] = e;
}
}
@@ -637,13 +673,12 @@ gen_field_iterator_init(struct gen_field_iterator *iter,
}
static void
-gen_field_write_value(char *str, size_t max_length,
- struct gen_field *field,
- uint64_t value)
+gen_enum_write_value(char *str, size_t max_length,
+ struct gen_enum *e, uint64_t value)
{
- for (int i = 0; i < field->n_values; i++) {
- if (field->values[i]->value == value) {
- strncpy(str, field->values[i]->name, max_length);
+ for (int i = 0; i < e->nvalues; i++) {
+ if (e->values[i]->value == value) {
+ strncpy(str, e->values[i]->name, max_length);
return;
}
}
@@ -678,16 +713,16 @@ gen_field_iterator_next(struct gen_field_iterator *iter)
uint64_t value = field(v.qw, f->start, f->end);
snprintf(iter->value, sizeof(iter->value),
"%"PRId64, value);
- gen_field_write_value(iter->description, sizeof(iter->description),
- f, value);
+ gen_enum_write_value(iter->description, sizeof(iter->description),
+ &f->inline_enum, value);
break;
}
case GEN_TYPE_UINT: {
uint64_t value = field(v.qw, f->start, f->end);
snprintf(iter->value, sizeof(iter->value),
"%"PRIu64, value);
- gen_field_write_value(iter->description, sizeof(iter->description),
- f, value);
+ gen_enum_write_value(iter->description, sizeof(iter->description),
+ &f->inline_enum, value);
break;
}
case GEN_TYPE_BOOL: {
@@ -719,6 +754,14 @@ gen_field_iterator_next(struct gen_field_iterator *iter)
break;
case GEN_TYPE_MBO:
break;
+ case GEN_TYPE_ENUM: {
+ uint64_t value = field(v.qw, f->start, f->end);
+ snprintf(iter->value, sizeof(iter->value),
+ "%"PRId64, value);
+ gen_enum_write_value(iter->description, sizeof(iter->description),
+ f->type.gen_enum, value);
+ break;
+ }
}
return true;
diff --git a/src/intel/tools/decoder.h b/src/intel/tools/decoder.h
index b28e603..9f0aa4f 100644
--- a/src/intel/tools/decoder.h
+++ b/src/intel/tools/decoder.h
@@ -48,6 +48,7 @@ struct gen_group *gen_spec_find_register(struct gen_spec *spec, uint32_t offset)
int gen_group_get_length(struct gen_group *group, const uint32_t *p);
const char *gen_group_get_name(struct gen_group *group);
uint32_t gen_group_get_opcode(struct gen_group *group);
+struct gen_enum *gen_spec_find_enum(struct gen_spec *spec, const char *name);
struct gen_field_iterator {
struct gen_group *group;
@@ -72,6 +73,17 @@ struct gen_group {
uint32_t register_offset;
};
+struct gen_value {
+ char *name;
+ uint64_t value;
+};
+
+struct gen_enum {
+ char *name;
+ int nvalues;
+ struct gen_value **values;
+};
+
struct gen_type {
enum {
GEN_TYPE_UNKNOWN,
@@ -84,14 +96,19 @@ struct gen_type {
GEN_TYPE_STRUCT,
GEN_TYPE_UFIXED,
GEN_TYPE_SFIXED,
- GEN_TYPE_MBO
+ GEN_TYPE_MBO,
+ GEN_TYPE_ENUM
} kind;
/* Struct definition for GEN_TYPE_STRUCT */
- struct gen_group *gen_struct;
-
- /* Integer and fractional sizes for GEN_TYPE_UFIXED and GEN_TYPE_SFIXED */
- int i, f;
+ union {
+ struct gen_group *gen_struct;
+ struct gen_enum *gen_enum;
+ struct {
+ /* Integer and fractional sizes for GEN_TYPE_UFIXED and GEN_TYPE_SFIXED */
+ int i, f;
+ };
+ };
};
struct gen_field {
@@ -101,14 +118,7 @@ struct gen_field {
bool has_default;
uint32_t default_value;
- struct gen_value **values;
- uint32_t n_values;
- uint32_t n_allocated_values;
-};
-
-struct gen_value {
- char *name;
- uint64_t value;
+ struct gen_enum inline_enum;
};
void gen_field_iterator_init(struct gen_field_iterator *iter,
--
2.9.3
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