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/*
* Copyright © 2016 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#ifndef GEN_DECODER_H
#define GEN_DECODER_H
#include <stdint.h>
#include <stdbool.h>
#include "common/gen_device_info.h"
#include "util/hash_table.h"
#ifdef __cplusplus
extern "C" {
#endif
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)
{
return (major << 8) | minor;
}
struct gen_group *gen_spec_find_struct(struct gen_spec *spec, const char *name);
struct gen_spec *gen_spec_load(const struct gen_device_info *devinfo);
struct gen_spec *gen_spec_load_from_path(const struct gen_device_info *devinfo,
const char *path);
void gen_spec_destroy(struct gen_spec *spec);
uint32_t gen_spec_get_gen(struct gen_spec *spec);
struct gen_group *gen_spec_find_instruction(struct gen_spec *spec, const uint32_t *p);
struct gen_group *gen_spec_find_register(struct gen_spec *spec, uint32_t offset);
struct gen_group *gen_spec_find_register_by_name(struct gen_spec *spec, const char *name);
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);
struct gen_field_iterator {
struct gen_group *group;
char name[128];
char value[128];
struct gen_group *struct_desc;
const uint32_t *p;
const uint32_t *p_end;
int dword; /**< current field starts at &p[dword] */
int start; /**< current field starts at this bit number */
int end; /**< current field ends at this bit number */
int group_iter;
struct gen_field *field;
bool print_colors;
};
struct gen_spec {
uint32_t gen;
struct hash_table *commands;
struct hash_table *structs;
struct hash_table *registers_by_name;
struct hash_table *registers_by_offset;
struct hash_table *enums;
struct hash_table *access_cache;
};
struct gen_group {
struct gen_spec *spec;
char *name;
struct gen_field *fields; /* linked list of fields */
uint32_t dw_length;
uint32_t group_offset, group_count;
uint32_t group_size;
bool variable;
struct gen_group *parent;
struct gen_group *next;
uint32_t opcode_mask;
uint32_t opcode;
/* Register specific */
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,
GEN_TYPE_INT,
GEN_TYPE_UINT,
GEN_TYPE_BOOL,
GEN_TYPE_FLOAT,
GEN_TYPE_ADDRESS,
GEN_TYPE_OFFSET,
GEN_TYPE_STRUCT,
GEN_TYPE_UFIXED,
GEN_TYPE_SFIXED,
GEN_TYPE_MBO,
GEN_TYPE_ENUM
} kind;
/* Struct definition for GEN_TYPE_STRUCT */
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;
};
};
};
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;
char *name;
int start, end;
struct gen_type type;
bool has_default;
uint32_t default_value;
struct gen_enum inline_enum;
};
void gen_field_iterator_init(struct gen_field_iterator *iter,
struct gen_group *group,
const uint32_t *p,
bool print_colors);
bool gen_field_iterator_next(struct gen_field_iterator *iter);
void gen_print_group(FILE *out,
struct gen_group *group,
uint64_t offset, const uint32_t *p,
bool color);
#ifdef __cplusplus
}
#endif
#endif /* GEN_DECODER_H */
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