diff options
Diffstat (limited to 'include/opcode/xgate.h')
| -rw-r--r-- | include/opcode/xgate.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/include/opcode/xgate.h b/include/opcode/xgate.h new file mode 100644 index 0000000..c516733 --- /dev/null +++ b/include/opcode/xgate.h @@ -0,0 +1,120 @@ +/* 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,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 */ |