1 /* xgate.h -- Freescale XGATE opcode list 2 Copyright (C) 2010-2014 Free Software Foundation, Inc. 3 Written by Sean Keys (skeys (at) ipdatasys.com) 4 5 This file is part of the GNU opcodes library. 6 7 This library is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3, or (at your option) 10 any later version. 11 12 It is distributed in the hope that it will be useful, but WITHOUT 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 15 License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this file; see the file COPYING. If not, write to the 19 Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston, 20 MA 02110-1301, USA. */ 21 22 #ifndef _OPCODE_XGATE_H 23 #define _OPCODE_XGATE_H 24 25 /* XGATE CCR flag definitions. */ 26 #define XGATE_N_BIT 0x08 /* XGN - Sign Flag */ 27 #define XGATE_Z_BIT 0x04 /* XGZ - Zero Flag */ 28 #define XGATE_V_BIT 0x02 /* XGV - Overflow Flag */ 29 #define XGATE_C_BIT 0x01 /* XGC - Carry Flag */ 30 31 /* Access Detail Notation 32 V Vector fetch: always an aligned word read, lasts for at least one RISC core cycle 33 P Program word fetch: always an aligned word read, lasts for at least one RISC core cycle 34 r 8-bit data read: lasts for at least one RISC core cycle 35 R 16-bit data read: lasts for at least one RISC core cycle 36 w 8-bit data write: lasts for at least one RISC core cycle 37 W 16-bit data write: lasts for at least one RISC core cycle 38 A Alignment cycle: no read or write, lasts for zero or one RISC core cycles 39 f Free cycle: no read or write, lasts for one RISC core cycles. */ 40 #define XGATE_CYCLE_V 0x01 41 #define XGATE_CYCLE_P 0x02 42 #define XGATE_CYCLE_r 0x04 43 #define XGATE_CYCLE_R 0x08 44 #define XGATE_CYCLE_w 0x10 45 #define XGATE_CYCLE_W 0x20 46 #define XGATE_CYCLE_A 0x40 47 #define XGATE_CYCLE_f 0x80 48 49 /* XGATE operand formats as stored in the XGATE_opcode table. 50 They are only used by GAS to recognize operands. */ 51 #define XGATE_OP_INH "" /* Inherent. */ 52 #define XGATE_OP_TRI "r,r,r" /* Register followed by two registers. */ 53 #define XGATE_OP_DYA "r,r" /* Register followed by a register. */ 54 #define XGATE_OP_IMM16 "r,if" /* Register followed by 16-bit value. */ 55 #define XGATE_OP_IMM8 "r,i8" /* Register followed by 8-bit value. */ 56 #define XGATE_OP_IMM4 "r,i4" /* Register followed by 4-bit value. */ 57 #define XGATE_OP_IMM3 "i3" /* Register followed by 3-bit value. */ 58 #define XGATE_OP_MON "r" /* Single register. */ 59 #define XGATE_OP_MON_R_C "r,c" /* General register followed by ccr register. */ 60 #define XGATE_OP_MON_C_R "c,r" /* CCR register followed by a general register. */ 61 #define XGATE_OP_MON_R_P "r,p" /* General register followed by pc register. */ 62 #define XGATE_OP_IDR "r,r,+" /* Three registers with the third having a -/+ directive. */ 63 #define XGATE_OP_IDO5 "r,r,i5" /* Two general registers followed by an immediate value. */ 64 #define XGATE_OP_REL9 "b9" /* 9-bit value that is relative to the current pc. */ 65 #define XGATE_OP_REL10 "ba" /* 10-bit value that is relative to the current pc. */ 66 #define XGATE_OP_DYA_MON "=r" 67 /* Macro definitions. */ 68 #define XGATE_OP_IMM16mADD "r,if; addl addh" 69 #define XGATE_OP_IMM16mAND "r,if; andl andh" 70 #define XGATE_OP_IMM16mCPC "r,if; cmpl cpch" 71 #define XGATE_OP_IMM16mSUB "r,if; subl subh" 72 #define XGATE_OP_IMM16mLDW "r,if; ldl ldh" 73 74 /* CPU variant identification. */ 75 #define XGATE_V1 0x1 76 #define XGATE_V2 0x2 77 #define XGATE_V3 0x4 78 79 /* The opcode table definitions. */ 80 struct xgate_opcode 81 { 82 char * name; /* Op-code name. */ 83 char * constraints; /* Constraint chars. */ 84 char * format; /* Bit definitions. */ 85 unsigned int size; /* Opcode size in bytes. */ 86 unsigned int bin_opcode; /* Binary opcode with operands masked off. */ 87 unsigned char cycles_min; /* Minimum cpu cycles needed. */ 88 unsigned char cycles_max; /* Maximum cpu cycles needed. */ 89 unsigned char set_flags_mask; /* CCR flags set. */ 90 unsigned char clr_flags_mask; /* CCR flags cleared. */ 91 unsigned char chg_flags_mask; /* CCR flags changed. */ 92 unsigned char arch; /* CPU variant. */ 93 }; 94 95 /* The opcode table. The table contains all the opcodes (all pages). 96 You can't rely on the order. */ 97 extern const struct xgate_opcode xgate_opcodes[]; 98 extern const int xgate_num_opcodes; 99 100 #endif /* _OPCODE_XGATE_H */ 101
