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/* -*- c-basic-offset: 8 -*- */
/*
* Copyright © 2006 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.
*
* Authors:
* Eric Anholt <eric@anholt.net>
*
*/
#include <inttypes.h>
typedef unsigned char GLubyte;
typedef short GLshort;
typedef unsigned int GLuint;
typedef int GLint;
typedef float GLfloat;
extern long int gen_level;
/* Predicate for Gen X and above */
#define IS_GENp(x) (gen_level >= (x)*10)
/* Predicate for Gen X exactly */
#define IS_GENx(x) (gen_level >= (x)*10 && gen_level < ((x)+1)*10)
/* Predicate to match Haswell processors */
#define IS_HASWELL(x) (gen_level == 75)
#include "brw_defines.h"
#include "brw_structs.h"
void yyerror (char *msg);
/**
* This structure is the internal representation of directly-addressed
* registers in the parser.
*/
struct direct_reg {
int reg_file, reg_nr, subreg_nr;
};
struct condition {
int cond;
int flag_reg_nr;
int flag_subreg_nr;
};
struct region {
int vert_stride, width, horiz_stride;
int is_default;
};
struct regtype {
int type;
int is_default;
};
/**
* This structure is the internal representation of register-indirect addressed
* registers in the parser.
*/
struct indirect_reg {
int reg_file, address_subreg_nr, indirect_offset;
};
/**
* This structure is the internal representation of destination operands in the
* parser.
*/
struct dst_operand {
int reg_file, reg_nr, subreg_nr, reg_type;
int writemask_set;
int writemask;
int horiz_stride;
int address_mode; /* 0 if direct, 1 if register-indirect */
/* Indirect addressing */
int address_subreg_nr;
int indirect_offset;
};
/**
* This structure is the internal representation of source operands in the
* parser.
*/
struct src_operand {
int reg_file, reg_nr, subreg_nr, reg_type;
int abs, negate;
int horiz_stride, width, vert_stride;
int default_region;
int address_mode; /* 0 if direct, 1 if register-indirect */
int address_subreg_nr;
int indirect_offset; /* XXX */
int swizzle_set;
int swizzle_x, swizzle_y, swizzle_z, swizzle_w;
uint32_t imm32; /* set if reg_file == BRW_IMMEDIATE_VALUE or it is expressing a branch offset */
char *reloc_target; /* bspec: branching instructions JIP and UIP are source operands */
} src_operand;
typedef struct {
enum {
imm32_d, imm32_f
} r;
union {
uint32_t d;
float f;
int32_t signed_d;
} u;
} imm32_t;
/**
* This structure is just the list container for instructions accumulated by
* the parser and labels.
*/
struct brw_program_instruction {
struct brw_instruction instruction;
struct brw_program_instruction *next;
GLuint islabel;
GLuint inst_offset;
char *string;
};
/**
* This structure is a list of instructions. It is the final output of the
* parser.
*/
struct brw_program {
struct brw_program_instruction *first;
struct brw_program_instruction *last;
};
extern struct brw_program compiled_program;
#define TYPE_B_INDEX 0
#define TYPE_UB_INDEX 1
#define TYPE_W_INDEX 2
#define TYPE_UW_INDEX 3
#define TYPE_D_INDEX 4
#define TYPE_UD_INDEX 5
#define TYPE_F_INDEX 6
#define TOTAL_TYPES 7
struct program_defaults {
int execute_size;
int execute_type[TOTAL_TYPES];
int register_type;
int register_type_regfile;
struct region source_region;
struct region source_region_type[TOTAL_TYPES];
struct region dest_region;
struct region dest_region_type[TOTAL_TYPES];
};
extern struct program_defaults program_defaults;
struct declared_register {
char *name;
struct direct_reg base;
int element_size;
struct region src_region;
int dst_region;
int type;
};
struct declared_register *find_register(char *name);
void insert_register(struct declared_register *reg);
void add_label(char *name, int addr);
int label_to_addr(char *name, int start_addr);
int yyparse(void);
int yylex(void);
int yylex_destroy(void);
char *
lex_text(void);
int
disasm (FILE *output, struct brw_instruction *inst);
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