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Diffstat (limited to 'include/opcode/cr16.h')
| -rw-r--r-- | include/opcode/cr16.h | 438 |
1 files changed, 0 insertions, 438 deletions
diff --git a/include/opcode/cr16.h b/include/opcode/cr16.h deleted file mode 100644 index c99c51a..0000000 --- a/include/opcode/cr16.h +++ /dev/null @@ -1,438 +0,0 @@ -/* cr16.h -- Header file for CR16 opcode and register tables. - Copyright 2007, 2008 Free Software Foundation, Inc. - Contributed by M R Swami Reddy - - This file is part of GAS, GDB and the GNU binutils. - - GAS, GDB, and GNU binutils is free software; you can redistribute it - and/or modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2, or (at your - option) any later version. - - GAS, GDB, and GNU binutils are distributed in the hope that they will be - useful, but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ - -#ifndef _CR16_H_ -#define _CR16_H_ - -/* CR16 core Registers : - The enums are used as indices to CR16 registers table (cr16_regtab). - Therefore, order MUST be preserved. */ - -typedef enum - { - /* 16-bit general purpose registers. */ - r0, r1, r2, r3, - r4, r5, r6, r7, - r8, r9, r10, r11, - r12_L = 12, r13_L = 13, ra = 14, sp_L = 15, - - /* 32-bit general purpose registers. */ - r12 = 12, r13 = 13, r14 = 14, r15 = 15, - era = 14, sp = 15, RA, - - /* Not a register. */ - nullregister, - MAX_REG - } -reg; - -/* CR16 processor registers and special registers : - The enums are used as indices to CR16 processor registers table - (cr16_pregtab). Therefore, order MUST be preserved. */ - -typedef enum - { - /* processor registers. */ - dbs = MAX_REG, - dsr, dcrl, dcrh, - car0l, car0h, car1l, car1h, - cfg, psr, intbasel, intbaseh, - ispl, isph, uspl, usph, - dcr = dcrl, - car0 = car0l, - car1 = car1l, - intbase = intbasel, - isp = ispl, - usp = uspl, - /* Not a processor register. */ - nullpregister = usph + 1, - MAX_PREG - } -preg; - -/* CR16 Register types. */ - -typedef enum - { - CR16_R_REGTYPE, /* r<N> */ - CR16_RP_REGTYPE, /* reg pair */ - CR16_P_REGTYPE /* Processor register */ - } -reg_type; - -/* CR16 argument types : - The argument types correspond to instructions operands - - Argument types : - r - register - rp - register pair - c - constant - i - immediate - idxr - index with register - idxrp - index with register pair - rbase - register base - rpbase - register pair base - pr - processor register */ - -typedef enum - { - arg_r, - arg_c, - arg_cr, - arg_crp, - arg_ic, - arg_icr, - arg_idxr, - arg_idxrp, - arg_rbase, - arg_rpbase, - arg_rp, - arg_pr, - arg_prp, - arg_cc, - arg_ra, - /* Not an argument. */ - nullargs - } -argtype; - -/* CR16 operand types:The operand types correspond to instructions operands.*/ - -typedef enum - { - dummy, - /* N-bit signed immediate. */ - imm3, imm4, imm5, imm6, imm16, imm20, imm32, - /* N-bit unsigned immediate. */ - uimm3, uimm3_1, uimm4, uimm4_1, uimm5, uimm16, uimm20, uimm32, - /* N-bit signed displacement. */ - disps5, disps17, disps25, - /* N-bit unsigned displacement. */ - dispe9, - /* N-bit absolute address. */ - abs20, abs24, - /* Register relative. */ - rra, rbase, rbase_disps20, rbase_dispe20, - /* Register pair relative. */ - rpbase_disps0, rpbase_dispe4, rpbase_disps4, rpbase_disps16, - rpbase_disps20, rpbase_dispe20, - /* Register index. */ - rindex7_abs20, rindex8_abs20, - /* Register pair index. */ - rpindex_disps0, rpindex_disps14, rpindex_disps20, - /* register. */ - regr, - /* register pair. */ - regp, - /* processor register. */ - pregr, - /* processor register 32 bit. */ - pregrp, - /* condition code - 4 bit. */ - cc, - /* Not an operand. */ - nulloperand, - /* Maximum supported operand. */ - MAX_OPRD - } -operand_type; - -/* CR16 instruction types. */ - -#define NO_TYPE_INS 0 -#define ARITH_INS 1 -#define LD_STOR_INS 2 -#define BRANCH_INS 3 -#define ARITH_BYTE_INS 4 -#define SHIFT_INS 5 -#define BRANCH_NEQ_INS 6 -#define LD_STOR_INS_INC 7 -#define STOR_IMM_INS 8 -#define CSTBIT_INS 9 - -/* Maximum value supported for instruction types. */ -#define CR16_INS_MAX (1 << 4) -/* Mask to record an instruction type. */ -#define CR16_INS_MASK (CR16_INS_MAX - 1) -/* Return instruction type, given instruction's attributes. */ -#define CR16_INS_TYPE(attr) ((attr) & CR16_INS_MASK) - -/* Indicates whether this instruction has a register list as parameter. */ -#define REG_LIST CR16_INS_MAX - -/* The operands in binary and assembly are placed in reverse order. - load - (REVERSE_MATCH)/store - (! REVERSE_MATCH). */ -#define REVERSE_MATCH (1 << 5) - -/* Printing formats, where the instruction prefix isn't consecutive. */ -#define FMT_1 (1 << 9) /* 0xF0F00000 */ -#define FMT_2 (1 << 10) /* 0xFFF0FF00 */ -#define FMT_3 (1 << 11) /* 0xFFF00F00 */ -#define FMT_4 (1 << 12) /* 0xFFF0F000 */ -#define FMT_5 (1 << 13) /* 0xFFF0FFF0 */ -#define FMT_CR16 (FMT_1 | FMT_2 | FMT_3 | FMT_4 | FMT_5) - -/* Indicates whether this instruction can be relaxed. */ -#define RELAXABLE (1 << 14) - -/* Indicates that instruction uses user registers (and not - general-purpose registers) as operands. */ -#define USER_REG (1 << 15) - - -/* Instruction shouldn't allow 'sp' usage. */ -#define NO_SP (1 << 17) - -/* Instruction shouldn't allow to push a register which is used as a rptr. */ -#define NO_RPTR (1 << 18) - -/* Maximum operands per instruction. */ -#define MAX_OPERANDS 5 -/* Maximum register name length. */ -#define MAX_REGNAME_LEN 10 -/* Maximum instruction length. */ -#define MAX_INST_LEN 256 - - -/* Values defined for the flags field of a struct operand_entry. */ - -/* Operand must be an unsigned number. */ -#define OP_UNSIGNED (1 << 0) -/* Operand must be a signed number. */ -#define OP_SIGNED (1 << 1) -/* Operand must be a negative number. */ -#define OP_NEG (1 << 2) -/* A special load/stor 4-bit unsigned displacement operand. */ -#define OP_DEC (1 << 3) -/* Operand must be an even number. */ -#define OP_EVEN (1 << 4) -/* Operand is shifted right. */ -#define OP_SHIFT (1 << 5) -/* Operand is shifted right and decremented. */ -#define OP_SHIFT_DEC (1 << 6) -/* Operand has reserved escape sequences. */ -#define OP_ESC (1 << 7) -/* Operand must be a ABS20 number. */ -#define OP_ABS20 (1 << 8) -/* Operand must be a ABS24 number. */ -#define OP_ABS24 (1 << 9) -/* Operand has reserved escape sequences type 1. */ -#define OP_ESC1 (1 << 10) - -/* Single operand description. */ - -typedef struct - { - /* Operand type. */ - operand_type op_type; - /* Operand location within the opcode. */ - unsigned int shift; - } -operand_desc; - -/* Instruction data structure used in instruction table. */ - -typedef struct - { - /* Name. */ - const char *mnemonic; - /* Size (in words). */ - unsigned int size; - /* Constant prefix (matched by the disassembler). */ - unsigned long match; /* ie opcode */ - /* Match size (in bits). */ - /* MASK: if( (i & match_bits) == match ) then match */ - int match_bits; - /* Attributes. */ - unsigned int flags; - /* Operands (always last, so unreferenced operands are initialized). */ - operand_desc operands[MAX_OPERANDS]; - } -inst; - -/* Data structure for a single instruction's arguments (Operands). */ - -typedef struct - { - /* Register or base register. */ - reg r; - /* Register pair register. */ - reg rp; - /* Index register. */ - reg i_r; - /* Processor register. */ - preg pr; - /* Processor register. 32 bit */ - preg prp; - /* Constant/immediate/absolute value. */ - long constant; - /* CC code. */ - unsigned int cc; - /* Scaled index mode. */ - unsigned int scale; - /* Argument type. */ - argtype type; - /* Size of the argument (in bits) required to represent. */ - int size; - /* The type of the expression. */ - unsigned char X_op; - } -argument; - -/* Internal structure to hold the various entities - corresponding to the current assembling instruction. */ - -typedef struct - { - /* Number of arguments. */ - int nargs; - /* The argument data structure for storing args (operands). */ - argument arg[MAX_OPERANDS]; -/* The following fields are required only by CR16-assembler. */ -#ifdef TC_CR16 - /* Expression used for setting the fixups (if any). */ - expressionS exp; - bfd_reloc_code_real_type rtype; -#endif /* TC_CR16 */ - /* Instruction size (in bytes). */ - int size; - } -ins; - -/* Structure to hold information about predefined operands. */ - -typedef struct - { - /* Size (in bits). */ - unsigned int bit_size; - /* Argument type. */ - argtype arg_type; - /* One bit syntax flags. */ - int flags; - } -operand_entry; - -/* Structure to hold trap handler information. */ - -typedef struct - { - /* Trap name. */ - char *name; - /* Index in dispatch table. */ - unsigned int entry; - } -trap_entry; - -/* Structure to hold information about predefined registers. */ - -typedef struct - { - /* Name (string representation). */ - char *name; - /* Value (enum representation). */ - union - { - /* Register. */ - reg reg_val; - /* processor register. */ - preg preg_val; - } value; - /* Register image. */ - int image; - /* Register type. */ - reg_type type; - } -reg_entry; - -/* CR16 opcode table. */ -extern const inst cr16_instruction[]; -extern const unsigned int cr16_num_opcodes; -#define NUMOPCODES cr16_num_opcodes - -/* CR16 operands table. */ -extern const operand_entry cr16_optab[]; -extern const unsigned int cr16_num_optab; - -/* CR16 registers table. */ -extern const reg_entry cr16_regtab[]; -extern const unsigned int cr16_num_regs; -#define NUMREGS cr16_num_regs - -/* CR16 register pair table. */ -extern const reg_entry cr16_regptab[]; -extern const unsigned int cr16_num_regps; -#define NUMREGPS cr16_num_regps - -/* CR16 processor registers table. */ -extern const reg_entry cr16_pregtab[]; -extern const unsigned int cr16_num_pregs; -#define NUMPREGS cr16_num_pregs - -/* CR16 processor registers - 32 bit table. */ -extern const reg_entry cr16_pregptab[]; -extern const unsigned int cr16_num_pregps; -#define NUMPREGPS cr16_num_pregps - -/* CR16 trap/interrupt table. */ -extern const trap_entry cr16_traps[]; -extern const unsigned int cr16_num_traps; -#define NUMTRAPS cr16_num_traps - -/* CR16 CC - codes bit table. */ -extern const char * cr16_b_cond_tab[]; -extern const unsigned int cr16_num_cc; -#define NUMCC cr16_num_cc; - - -/* Table of instructions with no operands. */ -extern const char * cr16_no_op_insn[]; - -/* Current instruction we're assembling. */ -extern const inst *instruction; - -/* A macro for representing the instruction "constant" opcode, that is, - the FIXED part of the instruction. The "constant" opcode is represented - as a 32-bit unsigned long, where OPC is expanded (by a left SHIFT) - over that range. */ -#define BIN(OPC,SHIFT) (OPC << SHIFT) - -/* Is the current instruction type is TYPE ? */ -#define IS_INSN_TYPE(TYPE) \ - (CR16_INS_TYPE (instruction->flags) == TYPE) - -/* Is the current instruction mnemonic is MNEMONIC ? */ -#define IS_INSN_MNEMONIC(MNEMONIC) \ - (strcmp (instruction->mnemonic, MNEMONIC) == 0) - -/* Does the current instruction has register list ? */ -#define INST_HAS_REG_LIST \ - (instruction->flags & REG_LIST) - - -/* Utility macros for string comparison. */ -#define streq(a, b) (strcmp (a, b) == 0) -#define strneq(a, b, c) (strncmp (a, b, c) == 0) - -/* Long long type handling. */ -/* Replace all appearances of 'long long int' with LONGLONG. */ -typedef long long int LONGLONG; -typedef unsigned long long ULONGLONG; - -#endif /* _CR16_H_ */ |