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intel: decoder: enable decoding a single field

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Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Scott D Phillips <scott.d.phillips@intel.com>
This commit is contained in:
Lionel Landwerlin 2017-09-30 14:43:06 +01:00
parent bb16503542
commit 8d8b9d11c9
2 changed files with 52 additions and 0 deletions
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37
src/intel/common/gen_decoder.c
View file

@ -568,6 +568,9 @@ gen_spec_load(const struct gen_device_info *devinfo)
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);
total_length = zlib_inflate(compress_genxmls,
sizeof(compress_genxmls),
(void **) &text_data);
@ -680,6 +683,32 @@ gen_spec_find_instruction(struct gen_spec *spec, const uint32_t *p)
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)
{
@ -981,6 +1010,14 @@ gen_field_is_header(struct gen_field *field)
return (field->parent->opcode_mask & bits) != 0;
}
void gen_field_decode(struct gen_field *field,
const uint32_t *p, const uint32_t *end,
union gen_field_value *value)
{
uint32_t dword = field->start / 32;
value->u64 = iter_decode_field_raw(field, &p[dword], end);
}
void
gen_print_group(FILE *outfile, struct gen_group *group,
uint64_t offset, const uint32_t *p, bool color)

15
src/intel/common/gen_decoder.h
View file

@ -37,6 +37,7 @@ extern "C" {
struct gen_spec;
struct gen_group;
struct gen_field;
union gen_field_value;
static inline uint32_t gen_make_gen(uint32_t major, uint32_t minor)
{
@ -57,8 +58,13 @@ struct gen_enum *gen_spec_find_enum(struct gen_spec *spec, const char *name);
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_field *gen_group_find_field(struct gen_group *group, const char *name);
struct gen_enum *gen_spec_find_enum(struct gen_spec *spec, const char *name);
bool gen_field_is_header(struct gen_field *field);
void gen_field_decode(struct gen_field *field,
const uint32_t *p, const uint32_t *end,
union gen_field_value *value);
struct gen_field_iterator {
struct gen_group *group;
@ -85,6 +91,8 @@ struct gen_spec {
struct hash_table *registers_by_name;
struct hash_table *registers_by_offset;
struct hash_table *enums;
struct hash_table *access_cache;
};
struct gen_group {
@ -146,6 +154,13 @@ struct gen_type {
};
};
union gen_field_value {
bool b32;
float f32;
uint64_t u64;
int64_t i64;
};
struct gen_field {
struct gen_group *parent;
struct gen_field *next;