target/hexagon: import lexer for idef-parser
Signed-off-by: Alessandro Di Federico <ale@rev.ng> Signed-off-by: Paolo Montesel <babush@rev.ng> Signed-off-by: Anton Johansson <anjo@rev.ng> Signed-off-by: Taylor Simpson <tsimpson@quicinc.com> Reviewed-by: Taylor Simpson <tsimpson@quicinc.com> Message-Id: <20220923173831.227551-9-anjo@rev.ng>
This commit is contained in:
Paolo Montesel
Taylor Simpson
parent
7c19dcc564
commit
fd8171fe52
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@ -0,0 +1,253 @@
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/*
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* Copyright(c) 2019-2022 rev.ng Labs Srl. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef IDEF_PARSER_H
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#define IDEF_PARSER_H
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#include <inttypes.h>
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#include <stdio.h>
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#include <stdbool.h>
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#include <glib.h>
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#define TCGV_NAME_SIZE 7
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#define MAX_WRITTEN_REGS 32
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#define OFFSET_STR_LEN 32
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#define ALLOC_LIST_LEN 32
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#define ALLOC_NAME_SIZE 32
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#define INIT_LIST_LEN 32
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#define OUT_BUF_LEN (1024 * 1024)
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#define SIGNATURE_BUF_LEN (128 * 1024)
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#define HEADER_BUF_LEN (128 * 1024)
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/* Variadic macros to wrap the buffer printing functions */
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#define EMIT(c, ...) \
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do { \
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g_string_append_printf((c)->out_str, __VA_ARGS__); \
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} while (0)
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#define EMIT_SIG(c, ...) \
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do { \
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g_string_append_printf((c)->signature_str, __VA_ARGS__); \
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} while (0)
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#define EMIT_HEAD(c, ...) \
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do { \
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g_string_append_printf((c)->header_str, __VA_ARGS__); \
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} while (0)
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/**
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* Type of register, assigned to the HexReg.type field
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*/
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typedef enum { GENERAL_PURPOSE, CONTROL, MODIFIER, DOTNEW } HexRegType;
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typedef enum { UNKNOWN_SIGNEDNESS, SIGNED, UNSIGNED } HexSignedness;
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/**
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* Semantic record of the REG tokens, identifying registers
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*/
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typedef struct HexReg {
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uint8_t id; /**< Identifier of the register */
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HexRegType type; /**< Type of the register */
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unsigned bit_width; /**< Bit width of the reg, 32 or 64 bits */
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} HexReg;
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/**
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* Data structure, identifying a TCGv temporary value
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*/
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typedef struct HexTmp {
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unsigned index; /**< Index of the TCGv temporary value */
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} HexTmp;
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/**
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* Enum of the possible immediated, an immediate is a value which is known
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* at tinycode generation time, e.g. an integer value, not a TCGv
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*/
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enum ImmUnionTag {
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I,
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VARIABLE,
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VALUE,
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QEMU_TMP,
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IMM_PC,
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IMM_NPC,
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IMM_CONSTEXT,
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};
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/**
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* Semantic record of the IMM token, identifying an immediate constant
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*/
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typedef struct HexImm {
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union {
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char id; /**< Identifier, used when type is VARIABLE */
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uint64_t value; /**< Immediate value, used when type is VALUE */
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uint64_t index; /**< Index, used when type is QEMU_TMP */
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};
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enum ImmUnionTag type; /**< Type of the immediate */
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} HexImm;
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/**
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* Semantic record of the PRED token, identifying a predicate
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*/
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typedef struct HexPred {
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char id; /**< Identifier of the predicate */
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} HexPred;
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/**
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* Semantic record of the SAT token, identifying the saturate operator
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* Note: All saturates are assumed to implicitly set overflow.
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*/
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typedef struct HexSat {
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HexSignedness signedness; /**< Signedness of the sat. op. */
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} HexSat;
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/**
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* Semantic record of the CAST token, identifying the cast operator
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*/
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typedef struct HexCast {
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unsigned bit_width; /**< Bit width of the cast operator */
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HexSignedness signedness; /**< Unsigned flag for the cast operator */
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} HexCast;
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/**
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* Semantic record of the EXTRACT token, identifying the cast operator
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*/
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typedef struct HexExtract {
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unsigned bit_width; /**< Bit width of the extract operator */
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unsigned storage_bit_width; /**< Actual bit width of the extract operator */
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HexSignedness signedness; /**< Unsigned flag for the extract operator */
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} HexExtract;
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/**
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* Semantic record of the MPY token, identifying the fMPY multiplication
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* operator
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*/
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typedef struct HexMpy {
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unsigned first_bit_width; /**< Bit width of 1st operand of fMPY */
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unsigned second_bit_width; /**< Bit width of 2nd operand of fMPY */
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HexSignedness first_signedness; /**< Signedness of 1st operand of fMPY */
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HexSignedness second_signedness; /**< Signedness of 2nd operand of fMPY */
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} HexMpy;
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/**
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* Semantic record of the VARID token, identifying declared variables
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* of the input language
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*/
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typedef struct HexVar {
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GString *name; /**< Name of the VARID variable */
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} HexVar;
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/**
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* Data structure uniquely identifying a declared VARID variable, used for
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* keeping track of declared variable, so that any variable is declared only
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* once, and its properties are propagated through all the subsequent instances
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* of that variable
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*/
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typedef struct Var {
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GString *name; /**< Name of the VARID variable */
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uint8_t bit_width; /**< Bit width of the VARID variable */
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HexSignedness signedness; /**< Unsigned flag for the VARID var */
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} Var;
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/**
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* Enum of the possible rvalue types, used in the HexValue.type field
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*/
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typedef enum RvalueUnionTag {
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REGISTER, REGISTER_ARG, TEMP, IMMEDIATE, PREDICATE, VARID
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} RvalueUnionTag;
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/**
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* Semantic record of the rvalue token, identifying any numeric value,
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* immediate or register based. The rvalue tokens are combined together
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* through the use of several operators, to encode expressions
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*/
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typedef struct HexValue {
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union {
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HexReg reg; /**< rvalue of register type */
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HexTmp tmp; /**< rvalue of temporary type */
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HexImm imm; /**< rvalue of immediate type */
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HexPred pred; /**< rvalue of predicate type */
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HexVar var; /**< rvalue of declared variable type */
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};
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RvalueUnionTag type; /**< Type of the rvalue */
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unsigned bit_width; /**< Bit width of the rvalue */
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HexSignedness signedness; /**< Unsigned flag for the rvalue */
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bool is_dotnew; /**< rvalue of predicate type is dotnew? */
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bool is_manual; /**< Opt out of automatic freeing of params */
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} HexValue;
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/**
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* State of ternary operator
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*/
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typedef enum TernaryState { IN_LEFT, IN_RIGHT } TernaryState;
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/**
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* Data structure used to handle side effects inside ternary operators
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*/
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typedef struct Ternary {
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TernaryState state;
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HexValue cond;
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} Ternary;
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/**
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* Operator type, used for referencing the correct operator when calling the
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* gen_bin_op() function, which in turn will generate the correct code to
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* execute the operation between the two rvalues
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*/
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typedef enum OpType {
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ADD_OP, SUB_OP, MUL_OP, ASL_OP, ASR_OP, LSR_OP, ANDB_OP, ORB_OP,
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XORB_OP, ANDL_OP, MINI_OP, MAXI_OP
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} OpType;
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/**
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* Data structure including instruction specific information, to be cleared
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* out after the compilation of each instruction
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*/
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typedef struct Inst {
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GString *name; /**< Name of the compiled instruction */
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char *code_begin; /**< Beginning of instruction input code */
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char *code_end; /**< End of instruction input code */
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unsigned tmp_count; /**< Index of the last declared TCGv temp */
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unsigned qemu_tmp_count; /**< Index of the last declared int temp */
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unsigned if_count; /**< Index of the last declared if label */
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unsigned error_count; /**< Number of generated errors */
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GArray *allocated; /**< Allocated declaredVARID vars */
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GArray *init_list; /**< List of initialized registers */
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GArray *strings; /**< Strings allocated by the instruction */
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} Inst;
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/**
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* Data structure representing the whole translation context, which in a
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* reentrant flex/bison parser just like ours is passed between the scanner
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* and the parser, holding all the necessary information to perform the
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* parsing, this data structure survives between the compilation of different
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* instructions
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*/
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typedef struct Context {
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void *scanner; /**< Reentrant parser state pointer */
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char *input_buffer; /**< Buffer containing the input code */
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GString *out_str; /**< String containing the output code */
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GString *signature_str; /**< String containing the signatures code */
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GString *header_str; /**< String containing the header code */
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FILE *defines_file; /**< FILE * of the generated header */
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FILE *output_file; /**< FILE * of the C output file */
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FILE *enabled_file; /**< FILE * of the list of enabled inst */
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GArray *ternary; /**< Array to track nesting of ternary ops */
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unsigned total_insn; /**< Number of instructions in input file */
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unsigned implemented_insn; /**< Instruction compiled without errors */
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Inst inst; /**< Parsing data of the current inst */
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} Context;
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#endif /* IDEF_PARSER_H */
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@ -0,0 +1,471 @@
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%option noyywrap noinput nounput
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%option 8bit reentrant bison-bridge
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%option warn nodefault
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%option bison-locations
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%{
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/*
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* Copyright(c) 2019-2022 rev.ng Labs Srl. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <string.h>
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#include <stdbool.h>
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#include "hex_regs.h"
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#include "idef-parser.h"
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#include "idef-parser.tab.h"
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/* Keep track of scanner position for error message printout */
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#define YY_USER_ACTION yylloc->first_column = yylloc->last_column; \
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for (int i = 0; yytext[i] != '\0'; i++) { \
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yylloc->last_column++; \
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}
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/* Global Error Counter */
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int error_count;
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%}
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/* Definitions */
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DIGIT [0-9]
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LOWER_ID [a-z]
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UPPER_ID [A-Z]
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ID LOWER_ID|UPPER_ID
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INST_NAME [A-Z]+[0-9]_([A-Za-z]|[0-9]|_)+
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HEX_DIGIT [0-9a-fA-F]
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REG_ID_32 e|s|d|t|u|v|x|y
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REG_ID_64 ee|ss|dd|tt|uu|vv|xx|yy
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SYS_ID_32 s|d
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SYS_ID_64 ss|dd
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PRED_ID d|s|t|u|v|e|x|x
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IMM_ID r|s|S|u|U
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VAR_ID [a-zA-Z_][a-zA-Z0-9_]*
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SIGN_ID s|u
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STRING_LIT \"(\\.|[^"\\])*\"
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/* Tokens */
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%%
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[ \t\f\v]+ { /* Ignore whitespaces. */ }
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[\n\r]+ { /* Ignore newlines. */ }
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^#.*$ { /* Ignore linemarkers. */ }
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{INST_NAME} { yylval->string = g_string_new(yytext);
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return INAME; }
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"fFLOAT" |
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"fUNFLOAT" |
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"fDOUBLE" |
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"fUNDOUBLE" |
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"0.0" |
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"0x1.0p52" |
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"0x1.0p-52" { return FAIL; }
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"in" { return IN; }
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"R"{REG_ID_32}"V" {
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yylval->rvalue.type = REGISTER_ARG;
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yylval->rvalue.reg.type = GENERAL_PURPOSE;
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yylval->rvalue.reg.id = yytext[1];
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yylval->rvalue.reg.bit_width = 32;
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yylval->rvalue.bit_width = 32;
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yylval->rvalue.is_dotnew = false;
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yylval->rvalue.signedness = SIGNED;
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return REG; }
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"R"{REG_ID_64}"V" {
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yylval->rvalue.type = REGISTER_ARG;
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yylval->rvalue.reg.type = GENERAL_PURPOSE;
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yylval->rvalue.reg.id = yytext[1];
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yylval->rvalue.reg.bit_width = 64;
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yylval->rvalue.bit_width = 64;
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yylval->rvalue.is_dotnew = false;
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yylval->rvalue.signedness = SIGNED;
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return REG; }
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"MuV" {
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yylval->rvalue.type = REGISTER_ARG;
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yylval->rvalue.reg.type = MODIFIER;
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yylval->rvalue.reg.id = 'u';
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yylval->rvalue.reg.bit_width = 32;
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yylval->rvalue.bit_width = 32;
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yylval->rvalue.signedness = SIGNED;
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return REG; }
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"C"{REG_ID_32}"V" {
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yylval->rvalue.type = REGISTER_ARG;
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yylval->rvalue.reg.type = CONTROL;
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yylval->rvalue.reg.id = yytext[1];
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yylval->rvalue.reg.bit_width = 32;
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yylval->rvalue.bit_width = 32;
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yylval->rvalue.is_dotnew = false;
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yylval->rvalue.signedness = SIGNED;
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return REG; }
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"C"{REG_ID_64}"V" {
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yylval->rvalue.type = REGISTER_ARG;
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yylval->rvalue.reg.type = CONTROL;
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yylval->rvalue.reg.id = yytext[1];
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yylval->rvalue.reg.bit_width = 64;
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yylval->rvalue.bit_width = 64;
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yylval->rvalue.is_dotnew = false;
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yylval->rvalue.signedness = SIGNED;
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return REG; }
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{IMM_ID}"iV" {
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yylval->rvalue.type = IMMEDIATE;
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yylval->rvalue.signedness = SIGNED;
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yylval->rvalue.imm.type = VARIABLE;
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yylval->rvalue.imm.id = yytext[0];
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yylval->rvalue.bit_width = 32;
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yylval->rvalue.is_dotnew = false;
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return IMM; }
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"P"{PRED_ID}"V" {
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yylval->rvalue.type = PREDICATE;
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yylval->rvalue.pred.id = yytext[1];
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yylval->rvalue.bit_width = 32;
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yylval->rvalue.is_dotnew = false;
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yylval->rvalue.signedness = SIGNED;
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return PRED; }
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"P"{PRED_ID}"N" {
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yylval->rvalue.type = PREDICATE;
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yylval->rvalue.pred.id = yytext[1];
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yylval->rvalue.bit_width = 32;
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yylval->rvalue.is_dotnew = true;
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yylval->rvalue.signedness = SIGNED;
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return PRED; }
|
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"IV1DEAD()" |
|
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"fPAUSE(uiV);" { return ';'; }
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"+=" { return INC; }
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"-=" { return DEC; }
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"++" { return PLUSPLUS; }
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"&=" { return ANDA; }
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"|=" { return ORA; }
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"^=" { return XORA; }
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"<<" { return ASL; }
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">>" { return ASR; }
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">>>" { return LSR; }
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"==" { return EQ; }
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"!=" { return NEQ; }
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"<=" { return LTE; }
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">=" { return GTE; }
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"&&" { return ANDL; }
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"else" { return ELSE; }
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"for" { return FOR; }
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"fREAD_IREG" { return ICIRC; }
|
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"fPART1" { return PART1; }
|
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"if" { return IF; }
|
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"fFRAME_SCRAMBLE" { return FSCR; }
|
||||
"fFRAME_UNSCRAMBLE" { return FSCR; }
|
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"fFRAMECHECK" { return FCHK; }
|
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"Constant_extended" { return CONSTEXT; }
|
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"fCL1_"{DIGIT} { return LOCNT; }
|
||||
"fbrev" { return BREV; }
|
||||
"fSXTN" { return SXT; }
|
||||
"fZXTN" { return ZXT; }
|
||||
"fDF_MAX" |
|
||||
"fSF_MAX" |
|
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"fMAX" { return MAX; }
|
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"fDF_MIN" |
|
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"fSF_MIN" |
|
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"fMIN" { return MIN; }
|
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"fABS" { return ABS; }
|
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"fRNDN" { return ROUND; }
|
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"fCRND" { return CROUND; }
|
||||
"fCRNDN" { return CROUND; }
|
||||
"fPM_CIRI" { return CIRCADD; }
|
||||
"fPM_CIRR" { return CIRCADD; }
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"fCOUNTONES_"{DIGIT} { return COUNTONES; }
|
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"fSATN" { yylval->sat.signedness = SIGNED;
|
||||
return SAT; }
|
||||
"fSATUN" { yylval->sat.signedness = UNSIGNED;
|
||||
return SAT; }
|
||||
"fCONSTLL" { yylval->cast.bit_width = 64;
|
||||
yylval->cast.signedness = SIGNED;
|
||||
return CAST; }
|
||||
"fSE32_64" { yylval->cast.bit_width = 64;
|
||||
yylval->cast.signedness = SIGNED;
|
||||
return CAST; }
|
||||
"fCAST4_4u" { yylval->cast.bit_width = 32;
|
||||
yylval->cast.signedness = UNSIGNED;
|
||||
return CAST; }
|
||||
"fCAST4_8s" { yylval->cast.bit_width = 64;
|
||||
yylval->cast.signedness = SIGNED;
|
||||
return CAST; }
|
||||
"fCAST4_8u" { return CAST4_8U; }
|
||||
"fCAST4u" { yylval->cast.bit_width = 32;
|
||||
yylval->cast.signedness = UNSIGNED;
|
||||
return CAST; }
|
||||
"fNEWREG" |
|
||||
"fCAST4_4s" |
|
||||
"fCAST4s" { yylval->cast.bit_width = 32;
|
||||
yylval->cast.signedness = SIGNED;
|
||||
return CAST; }
|
||||
"fCAST8_8u" { yylval->cast.bit_width = 64;
|
||||
yylval->cast.signedness = UNSIGNED;
|
||||
return CAST; }
|
||||
"fCAST8u" { yylval->cast.bit_width = 64;
|
||||
yylval->cast.signedness = UNSIGNED;
|
||||
return CAST; }
|
||||
"fCAST8_8s" |
|
||||
"fCAST8s" { yylval->cast.bit_width = 64;
|
||||
yylval->cast.signedness = SIGNED;
|
||||
return CAST; }
|
||||
"fGETBIT" { yylval->extract.bit_width = 1;
|
||||
yylval->extract.storage_bit_width = 1;
|
||||
yylval->extract.signedness = UNSIGNED;
|
||||
return EXTRACT; }
|
||||
"fGETBYTE" { yylval->extract.bit_width = 8;
|
||||
yylval->extract.storage_bit_width = 8;
|
||||
yylval->extract.signedness = SIGNED;
|
||||
return EXTRACT; }
|
||||
"fGETUBYTE" { yylval->extract.bit_width = 8;
|
||||
yylval->extract.storage_bit_width = 8;
|
||||
yylval->extract.signedness = UNSIGNED;
|
||||
return EXTRACT; }
|
||||
"fGETHALF" { yylval->extract.bit_width = 16;
|
||||
yylval->extract.storage_bit_width = 16;
|
||||
yylval->extract.signedness = SIGNED;
|
||||
return EXTRACT; }
|
||||
"fGETUHALF" { yylval->extract.bit_width = 16;
|
||||
yylval->extract.storage_bit_width = 16;
|
||||
yylval->extract.signedness = UNSIGNED;
|
||||
return EXTRACT; }
|
||||
"fGETWORD" { yylval->extract.bit_width = 32;
|
||||
yylval->extract.storage_bit_width = 64;
|
||||
yylval->extract.signedness = SIGNED;
|
||||
return EXTRACT; }
|
||||
"fGETUWORD" { yylval->extract.bit_width = 32;
|
||||
yylval->extract.storage_bit_width = 64;
|
||||
yylval->extract.signedness = UNSIGNED;
|
||||
return EXTRACT; }
|
||||
"fEXTRACTU_RANGE" { return EXTRANGE; }
|
||||
"fSETBIT" { yylval->cast.bit_width = 1;
|
||||
yylval->cast.signedness = SIGNED;
|
||||
return DEPOSIT; }
|
||||
"fSETBYTE" { yylval->cast.bit_width = 8;
|
||||
yylval->cast.signedness = SIGNED;
|
||||
return DEPOSIT; }
|
||||
"fSETHALF" { yylval->cast.bit_width = 16;
|
||||
yylval->cast.signedness = SIGNED;
|
||||
return SETHALF; }
|
||||
"fSETWORD" { yylval->cast.bit_width = 32;
|
||||
yylval->cast.signedness = SIGNED;
|
||||
return DEPOSIT; }
|
||||
"fINSERT_BITS" { return INSBITS; }
|
||||
"fSETBITS" { return SETBITS; }
|
||||
"fMPY16UU" { yylval->mpy.first_bit_width = 16;
|
||||
yylval->mpy.second_bit_width = 16;
|
||||
yylval->mpy.first_signedness = UNSIGNED;
|
||||
yylval->mpy.second_signedness = UNSIGNED;
|
||||
return MPY; }
|
||||
"fMPY16SU" { yylval->mpy.first_bit_width = 16;
|
||||
yylval->mpy.second_bit_width = 16;
|
||||
yylval->mpy.first_signedness = SIGNED;
|
||||
yylval->mpy.second_signedness = UNSIGNED;
|
||||
return MPY; }
|
||||
"fMPY16SS" { yylval->mpy.first_bit_width = 16;
|
||||
yylval->mpy.second_bit_width = 16;
|
||||
yylval->mpy.first_signedness = SIGNED;
|
||||
yylval->mpy.second_signedness = SIGNED;
|
||||
return MPY; }
|
||||
"fMPY32UU" { yylval->mpy.first_bit_width = 32;
|
||||
yylval->mpy.second_bit_width = 32;
|
||||
yylval->mpy.first_signedness = UNSIGNED;
|
||||
yylval->mpy.second_signedness = UNSIGNED;
|
||||
return MPY; }
|
||||
"fMPY32SU" { yylval->mpy.first_bit_width = 32;
|
||||
yylval->mpy.second_bit_width = 32;
|
||||
yylval->mpy.first_signedness = SIGNED;
|
||||
yylval->mpy.second_signedness = UNSIGNED;
|
||||
return MPY; }
|
||||
"fSFMPY" |
|
||||
"fMPY32SS" { yylval->mpy.first_bit_width = 32;
|
||||
yylval->mpy.second_bit_width = 32;
|
||||
yylval->mpy.first_signedness = SIGNED;
|
||||
yylval->mpy.second_signedness = SIGNED;
|
||||
return MPY; }
|
||||
"fMPY3216SS" { yylval->mpy.first_bit_width = 32;
|
||||
yylval->mpy.second_bit_width = 16;
|
||||
yylval->mpy.first_signedness = SIGNED;
|
||||
yylval->mpy.second_signedness = SIGNED;
|
||||
return MPY; }
|
||||
"fMPY3216SU" { yylval->mpy.first_bit_width = 32;
|
||||
yylval->mpy.second_bit_width = 16;
|
||||
yylval->mpy.first_signedness = SIGNED;
|
||||
yylval->mpy.second_signedness = UNSIGNED;
|
||||
return MPY; }
|
||||
"fNEWREG_ST" |
|
||||
"fIMMEXT" |
|
||||
"fMUST_IMMEXT" |
|
||||
"fPASS" |
|
||||
"fECHO" { return IDENTITY; }
|
||||
"(size8u_t)" { yylval->cast.bit_width = 64;
|
||||
yylval->cast.signedness = UNSIGNED;
|
||||
return CAST; }
|
||||
"(unsigned int)" { yylval->cast.bit_width = 32;
|
||||
yylval->cast.signedness = UNSIGNED;
|
||||
return CAST; }
|
||||
"fREAD_PC()" |
|
||||
"PC" { return PC; }
|
||||
"fREAD_NPC()" |
|
||||
"NPC" { return NPC; }
|
||||
"fGET_LPCFG" |
|
||||
"USR.LPCFG" { return LPCFG; }
|
||||
"LOAD_CANCEL(EA)" { return LOAD_CANCEL; }
|
||||
"STORE_CANCEL(EA)" |
|
||||
"CANCEL" { return CANCEL; }
|
||||
"N"{LOWER_ID}"N" { yylval->rvalue.type = REGISTER_ARG;
|
||||
yylval->rvalue.reg.type = DOTNEW;
|
||||
yylval->rvalue.reg.id = yytext[1];
|
||||
yylval->rvalue.reg.bit_width = 32;
|
||||
yylval->rvalue.bit_width = 32;
|
||||
yylval->rvalue.signedness = UNSIGNED;
|
||||
return REG; }
|
||||
"fREAD_SP()" |
|
||||
"SP" { yylval->rvalue.type = REGISTER;
|
||||
yylval->rvalue.reg.type = GENERAL_PURPOSE;
|
||||
yylval->rvalue.reg.id = HEX_REG_SP;
|
||||
yylval->rvalue.reg.bit_width = 32;
|
||||
yylval->rvalue.bit_width = 32;
|
||||
yylval->rvalue.signedness = UNSIGNED;
|
||||
return REG; }
|
||||
"fREAD_FP()" |
|
||||
"FP" { yylval->rvalue.type = REGISTER;
|
||||
yylval->rvalue.reg.type = GENERAL_PURPOSE;
|
||||
yylval->rvalue.reg.id = HEX_REG_FP;
|
||||
yylval->rvalue.reg.bit_width = 32;
|
||||
yylval->rvalue.bit_width = 32;
|
||||
yylval->rvalue.signedness = UNSIGNED;
|
||||
return REG; }
|
||||
"fREAD_LR()" |
|
||||
"LR" { yylval->rvalue.type = REGISTER;
|
||||
yylval->rvalue.reg.type = GENERAL_PURPOSE;
|
||||
yylval->rvalue.reg.id = HEX_REG_LR;
|
||||
yylval->rvalue.reg.bit_width = 32;
|
||||
yylval->rvalue.bit_width = 32;
|
||||
yylval->rvalue.signedness = UNSIGNED;
|
||||
return REG; }
|
||||
"fREAD_GP()" |
|
||||
"GP" { yylval->rvalue.type = REGISTER;
|
||||
yylval->rvalue.reg.type = CONTROL;
|
||||
yylval->rvalue.reg.id = HEX_REG_GP;
|
||||
yylval->rvalue.reg.bit_width = 32;
|
||||
yylval->rvalue.bit_width = 32;
|
||||
yylval->rvalue.signedness = UNSIGNED;
|
||||
return REG; }
|
||||
"fREAD_LC"[01] { yylval->rvalue.type = REGISTER;
|
||||
yylval->rvalue.reg.type = CONTROL;
|
||||
yylval->rvalue.reg.id = HEX_REG_LC0
|
||||
+ (yytext[8] - '0') * 2;
|
||||
yylval->rvalue.reg.bit_width = 32;
|
||||
yylval->rvalue.bit_width = 32;
|
||||
yylval->rvalue.signedness = UNSIGNED;
|
||||
return REG; }
|
||||
"LC"[01] { yylval->rvalue.type = REGISTER;
|
||||
yylval->rvalue.reg.type = CONTROL;
|
||||
yylval->rvalue.reg.id = HEX_REG_LC0
|
||||
+ (yytext[2] - '0') * 2;
|
||||
yylval->rvalue.reg.bit_width = 32;
|
||||
yylval->rvalue.bit_width = 32;
|
||||
yylval->rvalue.signedness = UNSIGNED;
|
||||
return REG; }
|
||||
"fREAD_SA"[01] { yylval->rvalue.type = REGISTER;
|
||||
yylval->rvalue.reg.type = CONTROL;
|
||||
yylval->rvalue.reg.id = HEX_REG_SA0
|
||||
+ (yytext[8] - '0') * 2;
|
||||
yylval->rvalue.reg.bit_width = 32;
|
||||
yylval->rvalue.bit_width = 32;
|
||||
yylval->rvalue.signedness = UNSIGNED;
|
||||
return REG; }
|
||||
"SA"[01] { yylval->rvalue.type = REGISTER;
|
||||
yylval->rvalue.reg.type = CONTROL;
|
||||
yylval->rvalue.reg.id = HEX_REG_SA0
|
||||
+ (yytext[2] - '0') * 2;
|
||||
yylval->rvalue.reg.bit_width = 32;
|
||||
yylval->rvalue.bit_width = 32;
|
||||
yylval->rvalue.signedness = UNSIGNED;
|
||||
return REG; }
|
||||
"fREAD_P0()" { yylval->rvalue.type = PREDICATE;
|
||||
yylval->rvalue.pred.id = '0';
|
||||
yylval->rvalue.bit_width = 32;
|
||||
return PRED; }
|
||||
[pP]{DIGIT} { yylval->rvalue.type = PREDICATE;
|
||||
yylval->rvalue.pred.id = yytext[1];
|
||||
yylval->rvalue.bit_width = 32;
|
||||
yylval->rvalue.is_dotnew = false;
|
||||
return PRED; }
|
||||
[pP]{DIGIT}[nN] { yylval->rvalue.type = PREDICATE;
|
||||
yylval->rvalue.pred.id = yytext[1];
|
||||
yylval->rvalue.bit_width = 32;
|
||||
yylval->rvalue.is_dotnew = true;
|
||||
return PRED; }
|
||||
"fLSBNEW" { return LSBNEW; }
|
||||
"N" { yylval->rvalue.type = IMMEDIATE;
|
||||
yylval->rvalue.bit_width = 32;
|
||||
yylval->rvalue.imm.type = VARIABLE;
|
||||
yylval->rvalue.imm.id = 'N';
|
||||
return IMM; }
|
||||
"i" { yylval->rvalue.type = IMMEDIATE;
|
||||
yylval->rvalue.bit_width = 32;
|
||||
yylval->rvalue.signedness = SIGNED;
|
||||
yylval->rvalue.imm.type = I;
|
||||
return IMM; }
|
||||
{SIGN_ID} { if (yytext[0] == 'u') {
|
||||
yylval->signedness = UNSIGNED;
|
||||
} else {
|
||||
yylval->signedness = SIGNED;
|
||||
}
|
||||
return SIGN;
|
||||
}
|
||||
"0x"{HEX_DIGIT}+ |
|
||||
{DIGIT}+ { yylval->rvalue.type = IMMEDIATE;
|
||||
yylval->rvalue.bit_width = 32;
|
||||
yylval->rvalue.signedness = SIGNED;
|
||||
yylval->rvalue.imm.type = VALUE;
|
||||
yylval->rvalue.imm.value = strtoull(yytext, NULL, 0);
|
||||
return IMM; }
|
||||
"0x"{HEX_DIGIT}+"ULL" |
|
||||
{DIGIT}+"ULL" { yylval->rvalue.type = IMMEDIATE;
|
||||
yylval->rvalue.bit_width = 64;
|
||||
yylval->rvalue.signedness = UNSIGNED;
|
||||
yylval->rvalue.imm.type = VALUE;
|
||||
yylval->rvalue.imm.value = strtoull(yytext, NULL, 0);
|
||||
return IMM; }
|
||||
"fLOAD" { return LOAD; }
|
||||
"fSTORE" { return STORE; }
|
||||
"fROTL" { return ROTL; }
|
||||
"fCARRY_FROM_ADD" { return CARRY_FROM_ADD; }
|
||||
"fADDSAT64" { return ADDSAT64; }
|
||||
"size"[1248][us]"_t" { /* Handles "size_t" variants of int types */
|
||||
const unsigned int bits_per_byte = 8;
|
||||
const unsigned int bytes = yytext[4] - '0';
|
||||
yylval->rvalue.bit_width = bits_per_byte * bytes;
|
||||
if (yytext[5] == 'u') {
|
||||
yylval->rvalue.signedness = UNSIGNED;
|
||||
} else {
|
||||
yylval->rvalue.signedness = SIGNED;
|
||||
}
|
||||
return TYPE_SIZE_T; }
|
||||
"unsigned" { return TYPE_UNSIGNED; }
|
||||
"long" { return TYPE_LONG; }
|
||||
"int" { return TYPE_INT; }
|
||||
"const" { /* Emit no token */ }
|
||||
{VAR_ID} { /* Variable name, we adopt the C names convention */
|
||||
yylval->rvalue.type = VARID;
|
||||
yylval->rvalue.var.name = g_string_new(yytext);
|
||||
/* Default to an unknown signedness and 0 width. */
|
||||
yylval->rvalue.bit_width = 0;
|
||||
yylval->rvalue.signedness = UNKNOWN_SIGNEDNESS;
|
||||
return VAR; }
|
||||
"fatal("{STRING_LIT}")" { /* Emit no token */ }
|
||||
"fHINTJR(RsV)" { /* Emit no token */ }
|
||||
. { return yytext[0]; }
|
||||
|
||||
%%
|
||||
|
|
@ -197,6 +197,12 @@ if idef_parser_enabled and 'hexagon-linux-user' in target_dirs
|
|||
depend_files: [idef_parser_dir / 'macros.inc'],
|
||||
command: [idef_parser_dir / 'prepare', '@INPUT@', '-I' + idef_parser_dir, '-o', '@OUTPUT@'],
|
||||
)
|
||||
|
||||
flex = generator(
|
||||
find_program('flex'),
|
||||
output: ['@BASENAME@.yy.c', '@BASENAME@.yy.h'],
|
||||
arguments: ['-o', '@OUTPUT0@', '--header-file=@OUTPUT1@', '@INPUT@']
|
||||
)
|
||||
endif
|
||||
|
||||
target_arch += {'hexagon': hexagon_ss}
|
||||
|
|
|
|||
Loading…
Reference in New Issue