| /* xgate.h -- Freescale XGATE opcode list |
| Copyright 2010, 2011, 2012 Free Software Foundation, Inc. |
| Written by Sean Keys (skeys@ipdatasys.com) |
| |
| This file is part of the GNU opcodes library. |
| |
| This library 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 3, or (at your option) |
| any later version. |
| |
| It is distributed in the hope that it 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 file; see the file COPYING. If not, write to the |
| Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston, |
| MA 02110-1301, USA. */ |
| |
| #ifndef _OPCODE_XGATE_H |
| #define _OPCODE_XGATE_H |
| |
| /* XGATE CCR flag definitions. */ |
| #define XGATE_N_BIT 0x08 /* XGN - Sign Flag */ |
| #define XGATE_Z_BIT 0x04 /* XGZ - Zero Flag */ |
| #define XGATE_V_BIT 0x02 /* XGV - Overflow Flag */ |
| #define XGATE_C_BIT 0x01 /* XGC - Carry Flag */ |
| |
| /* Access Detail Notation |
| V — Vector fetch: always an aligned word read, lasts for at least one RISC core cycle |
| P — Program word fetch: always an aligned word read, lasts for at least one RISC core cycle |
| r — 8-bit data read: lasts for at least one RISC core cycle |
| R — 16-bit data read: lasts for at least one RISC core cycle |
| w — 8-bit data write: lasts for at least one RISC core cycle |
| W — 16-bit data write: lasts for at least one RISC core cycle |
| A — Alignment cycle: no read or write, lasts for zero or one RISC core cycles |
| f — Free cycle: no read or write, lasts for one RISC core cycles. */ |
| #define XGATE_CYCLE_V 0x01 |
| #define XGATE_CYCLE_P 0x02 |
| #define XGATE_CYCLE_r 0x04 |
| #define XGATE_CYCLE_R 0x08 |
| #define XGATE_CYCLE_w 0x10 |
| #define XGATE_CYCLE_W 0x20 |
| #define XGATE_CYCLE_A 0x40 |
| #define XGATE_CYCLE_f 0x80 |
| |
| /* Opcode format abbreviations. */ |
| #define XG_INH 0x0001 /* Inherent. */ |
| #define XG_I 0x0002 /* 3-bit immediate address. */ |
| #define XG_R_I 0x0004 /* Register followed by 4/8-bit immediate value. */ |
| #define XG_R_R 0x0008 /* Register followed by a register. */ |
| #define XG_R_R_R 0x0010 /* Register followed by two registers. */ |
| #define XG_R 0x0020 /* Single register. */ |
| #define XG_PC 0x0040 /* PC relative 10 or 11 bit. */ |
| #define XG_R_C 0x0080 /* General register followed by ccr register. */ |
| #define XG_C_R 0x0100 /* CCR register followed by a general register. */ |
| #define XG_R_P 0x0200 /* General register followed by pc register. */ |
| #define XG_R_R_I 0x0400 /* Two general registers followed by an immediate value. */ |
| #define XG_PCREL 0x0800 /* Immediate value that is relative to the current pc. */ |
| |
| /* XGATE operand formats as stored in the XGATE_opcode table. |
| They are only used by GAS to recognize operands. */ |
| #define XGATE_OP_INH "" |
| #define XGATE_OP_TRI "r,r,r" |
| #define XGATE_OP_DYA "r,r" |
| #define XGATE_OP_IMM16 "r,if" |
| #define XGATE_OP_IMM8 "r,i8" |
| #define XGATE_OP_IMM4 "r,i4" |
| #define XGATE_OP_IMM3 "i3" |
| #define XGATE_OP_MON "r" |
| #define XGATE_OP_MON_R_C "r,c" |
| #define XGATE_OP_MON_C_R "c,r" |
| #define XGATE_OP_MON_R_P "r,p" |
| #define XGATE_OP_IDR "r,r,+" |
| #define XGATE_OP_IDO5 "r,r,i5" |
| #define XGATE_OP_REL9 "b9" |
| #define XGATE_OP_REL10 "ba" |
| #define XGATE_OP_DYA_MON "=r" |
| /* Macro definitions. */ |
| #define XGATE_OP_IMM16mADD "r,if; addl addh" |
| #define XGATE_OP_IMM16mAND "r,if; andl andh" |
| #define XGATE_OP_IMM16mCPC "r,if; cmpl cpch" |
| #define XGATE_OP_IMM16mSUB "r,if; subl subh" |
| #define XGATE_OP_IMM16mLDW "r,if; ldl ldh" |
| |
| /* CPU variant identification. */ |
| #define XGATE_V1 0x1 |
| #define XGATE_V2 0x2 |
| #define XGATE_V3 0x4 |
| |
| /* Max opcodes per opcode handle. */ |
| #define MAX_OPCODES 0x05 |
| |
| #define MAX_DETECT_CHARS 0x10 |
| |
| /* The opcode table definitions. */ |
| struct xgate_opcode |
| { |
| char * name; /* Op-code name. */ |
| char * constraints; /* Constraint chars. */ |
| char * format; /* Bit definitions. */ |
| unsigned int sh_format; /* Shorthand format mask. */ |
| unsigned int size; /* Opcode size in bytes. */ |
| unsigned int bin_opcode; /* Binary opcode with operands masked off. */ |
| unsigned char cycles_min; /* Minimum cpu cycles needed. */ |
| unsigned char cycles_max; /* Maximum cpu cycles needed. */ |
| unsigned char set_flags_mask; /* CCR flags set. */ |
| unsigned char clr_flags_mask; /* CCR flags cleared. */ |
| unsigned char chg_flags_mask; /* CCR flags changed. */ |
| unsigned char arch; /* CPU variant. */ |
| }; |
| |
| /* The opcode table. The table contains all the opcodes (all pages). |
| You can't rely on the order. */ |
| extern const struct xgate_opcode xgate_opcodes[]; |
| extern const int xgate_num_opcodes; |
| |
| #endif /* _OPCODE_XGATE_H */ |
