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Diffstat (limited to 'include/opcode/m88k.h')
| -rw-r--r-- | include/opcode/m88k.h | 454 |
1 files changed, 0 insertions, 454 deletions
diff --git a/include/opcode/m88k.h b/include/opcode/m88k.h deleted file mode 100644 index a3eea2a..0000000 --- a/include/opcode/m88k.h +++ /dev/null @@ -1,454 +0,0 @@ -/* Table of opcodes for the Motorola M88k family. - Copyright (C) 1989-2018 Free Software Foundation, Inc. - - This file is part of GDB and GAS. - - This program 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 of the License, or - (at your option) any later version. - - This program 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 program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, - MA 02110-1301, USA. */ - -/* - * Disassembler Instruction Table - * - * The first field of the table is the opcode field. If an opcode - * is specified which has any non-opcode bits on, a system error - * will occur when the system attempts the install it into the - * instruction table. The second parameter is a pointer to the - * instruction mnemonic. Each operand is specified by offset, width, - * and type. The offset is the bit number of the least significant - * bit of the operand with bit 0 being the least significant bit of - * the instruction. The width is the number of bits used to specify - * the operand. The type specifies the output format to be used for - * the operand. The valid formats are: register, register indirect, - * hex constant, and bit field specification. The last field is a - * pointer to the next instruction in the linked list. These pointers - * are initialized by init_disasm(). - * - * Revision History - * - * Revision 1.0 11/08/85 Creation date - * 1.1 02/05/86 Updated instruction mnemonic table MD - * 1.2 06/16/86 Updated SIM_FLAGS for floating point - * 1.3 09/20/86 Updated for new encoding - * 05/11/89 R. Trawick adapted from Motorola disassembler - */ - -#include <stdio.h> - -/* Define the number of bits in the primary opcode field of the instruction, - the destination field, the source 1 and source 2 fields. */ - -/* Size of opcode field. */ -#define OP 8 - -/* Size of destination. */ -#define DEST 6 - -/* Size of source1. */ -#define SOURCE1 6 - -/* Size of source2. */ -#define SOURCE2 6 - -/* Number of registers. */ -#define REGs 32 - -/* Type definitions. */ - -typedef unsigned int UINT; -#define WORD long -#define FLAG unsigned -#define STATE short - -/* The next four equates define the priorities that the various classes - * of instructions have regarding writing results back into registers and - * signalling exceptions. */ - -/* PMEM is also defined in <sys/param.h> on Delta 88's. Sigh! */ -#undef PMEM - -/* Integer priority. */ -#define PINT 0 - -/* Floating point priority. */ -#define PFLT 1 - -/* Memory priority. */ -#define PMEM 2 - -/* Not applicable, instruction doesn't write to regs. */ -#define NA 3 - -/* Highest of these priorities. */ -#define HIPRI 3 - -/* The instruction registers are an artificial mechanism to speed up - * simulator execution. In the real processor, an instruction register - * is 32 bits wide. In the simulator, the 32 bit instruction is kept in - * a structure field called rawop, and the instruction is partially decoded, - * and split into various fields and flags which make up the other fields - * of the structure. - * The partial decode is done when the instructions are initially loaded - * into simulator memory. The simulator code memory is not an array of - * 32 bit words, but is an array of instruction register structures. - * Yes this wastes memory, but it executes much quicker. - */ - -struct IR_FIELDS -{ - unsigned op:OP, - dest: DEST, - src1: SOURCE1, - src2: SOURCE2; - int ltncy, - extime, - /* Writeback priority. */ - wb_pri; - /* Immediate size. */ - unsigned imm_flags:2, - /* Register source 1 used. */ - rs1_used:1, - /* Register source 2 used. */ - rs2_used:1, - /* Register source/dest. used. */ - rsd_used:1, - /* Complement. */ - c_flag:1, - /* Upper half word. */ - u_flag:1, - /* Execute next. */ - n_flag:1, - /* Uses writeback slot. */ - wb_flag:1, - /* Dest size. */ - dest_64:1, - /* Source 1 size. */ - s1_64:1, - /* Source 2 size. */ - s2_64:1, - scale_flag:1, - /* Scaled register. */ - brk_flg:1; -}; - -struct mem_segs -{ - /* Pointer (returned by calloc) to segment. */ - struct mem_wrd *seg; - - /* Base load address from file headers. */ - unsigned long baseaddr; - - /* Ending address of segment. */ - unsigned long endaddr; - - /* Segment control flags (none defined). */ - int flags; -}; - -#define MAXSEGS (10) /* max number of segment allowed */ -#define MEMSEGSIZE (sizeof(struct mem_segs))/* size of mem_segs structure */ - -#if 0 -#define BRK_RD (0x01) /* break on memory read */ -#define BRK_WR (0x02) /* break on memory write */ -#define BRK_EXEC (0x04) /* break on execution */ -#define BRK_CNT (0x08) /* break on terminal count */ -#endif - -struct mem_wrd -{ - /* Simulator instruction break down. */ - struct IR_FIELDS opcode; - union { - /* Memory element break down. */ - unsigned long l; - unsigned short s[2]; - unsigned char c[4]; - } mem; -}; - -/* Size of each 32 bit memory model. */ -#define MEMWRDSIZE (sizeof (struct mem_wrd)) - -extern struct mem_segs memory[]; -extern struct PROCESSOR m78000; - -struct PROCESSOR -{ - unsigned WORD - /* Execute instruction pointer. */ - ip, - /* Vector base register. */ - vbr, - /* Processor status register. */ - psr; - - /* Source 1. */ - WORD S1bus, - /* Source 2. */ - S2bus, - /* Destination. */ - Dbus, - /* Data address bus. */ - DAbus, - ALU, - /* Data registers. */ - Regs[REGs], - /* Max clocks before reg is available. */ - time_left[REGs], - /* Writeback priority of reg. */ - wb_pri[REGs], - /* Integer unit control regs. */ - SFU0_regs[REGs], - /* Floating point control regs. */ - SFU1_regs[REGs], - Scoreboard[REGs], - Vbr; - unsigned WORD scoreboard, - Psw, - Tpsw; - /* Waiting for a jump instruction. */ - FLAG jump_pending:1; -}; - -/* Size of immediate field. */ - -#define i26bit 1 -#define i16bit 2 -#define i10bit 3 - -/* Definitions for fields in psr. */ - -#define psr_mode 31 -#define psr_rbo 30 -#define psr_ser 29 -#define psr_carry 28 -#define psr_sf7m 11 -#define psr_sf6m 10 -#define psr_sf5m 9 -#define psr_sf4m 8 -#define psr_sf3m 7 -#define psr_sf2m 6 -#define psr_sf1m 5 -#define psr_mam 4 -#define psr_inm 3 -#define psr_exm 2 -#define psr_trm 1 -#define psr_ovfm 0 - -/* The 1 clock operations. */ - -#define ADDU 1 -#define ADDC 2 -#define ADDUC 3 -#define ADD 4 - -#define SUBU ADD+1 -#define SUBB ADD+2 -#define SUBUB ADD+3 -#define SUB ADD+4 - -#define AND_ ADD+5 -#define OR ADD+6 -#define XOR ADD+7 -#define CMP ADD+8 - -/* Loads. */ - -#define LDAB CMP+1 -#define LDAH CMP+2 -#define LDA CMP+3 -#define LDAD CMP+4 - -#define LDB LDAD+1 -#define LDH LDAD+2 -#define LD LDAD+3 -#define LDD LDAD+4 -#define LDBU LDAD+5 -#define LDHU LDAD+6 - -/* Stores. */ - -#define STB LDHU+1 -#define STH LDHU+2 -#define ST LDHU+3 -#define STD LDHU+4 - -/* Exchange. */ - -#define XMEMBU LDHU+5 -#define XMEM LDHU+6 - -/* Branches. */ - -#define JSR STD+1 -#define BSR STD+2 -#define BR STD+3 -#define JMP STD+4 -#define BB1 STD+5 -#define BB0 STD+6 -#define RTN STD+7 -#define BCND STD+8 - -/* Traps. */ - -#define TB1 BCND+1 -#define TB0 BCND+2 -#define TCND BCND+3 -#define RTE BCND+4 -#define TBND BCND+5 - -/* Misc. */ - -#define MUL TBND + 1 -#define DIV MUL +2 -#define DIVU MUL +3 -#define MASK MUL +4 -#define FF0 MUL +5 -#define FF1 MUL +6 -#define CLR MUL +7 -#define SET MUL +8 -#define EXT MUL +9 -#define EXTU MUL +10 -#define MAK MUL +11 -#define ROT MUL +12 - -/* Control register manipulations. */ - -#define LDCR ROT +1 -#define STCR ROT +2 -#define XCR ROT +3 - -#define FLDCR ROT +4 -#define FSTCR ROT +5 -#define FXCR ROT +6 - -#define NOP XCR +1 - -/* Floating point instructions. */ - -#define FADD NOP +1 -#define FSUB NOP +2 -#define FMUL NOP +3 -#define FDIV NOP +4 -#define FSQRT NOP +5 -#define FCMP NOP +6 -#define FIP NOP +7 -#define FLT NOP +8 -#define INT NOP +9 -#define NINT NOP +10 -#define TRNC NOP +11 -#define FLDC NOP +12 -#define FSTC NOP +13 -#define FXC NOP +14 - -#define UEXT(src,off,wid) \ - ((((unsigned int)(src)) >> (off)) & ((1 << (wid)) - 1)) - -#define SEXT(src,off,wid) \ - (((((int)(src))<<(32 - ((off) + (wid)))) >>(32 - (wid))) ) - -#define MAKE(src,off,wid) \ - ((((unsigned int)(src)) & ((1 << (wid)) - 1)) << (off)) - -#define opword(n) (unsigned long) (memaddr->mem.l) - -/* Constants and masks. */ - -#define SFU0 0x80000000 -#define SFU1 0x84000000 -#define SFU7 0x9c000000 -#define RRI10 0xf0000000 -#define RRR 0xf4000000 -#define SFUMASK 0xfc00ffe0 -#define RRRMASK 0xfc00ffe0 -#define RRI10MASK 0xfc00fc00 -#define DEFMASK 0xfc000000 -#define CTRL 0x0000f000 -#define CTRLMASK 0xfc00f800 - -/* Operands types. */ - -enum operand_type -{ - HEX = 1, - REG = 2, - CONT = 3, - IND = 3, - BF = 4, - /* Scaled register. */ - REGSC = 5, - /* Control register. */ - CRREG = 6, - /* Floating point control register. */ - FCRREG = 7, - PCREL = 8, - CONDMASK = 9, - /* Extended register. */ - XREG = 10, - /* Decimal. */ - DEC = 11 -}; - -/* Hashing specification. */ - -#define HASHVAL 79 - -/* Structure templates. */ - -typedef struct -{ - unsigned int offset; - unsigned int width; - enum operand_type type; -} OPSPEC; - -struct SIM_FLAGS -{ - int ltncy, /* latency (max number of clocks needed to execute). */ - extime, /* execution time (min number of clocks needed to execute). */ - wb_pri; /* writeback slot priority. */ - unsigned op:OP, /* simulator version of opcode. */ - imm_flags:2, /* 10,16 or 26 bit immediate flags. */ - rs1_used:1, /* register source 1 used. */ - rs2_used:1, /* register source 2 used. */ - rsd_used:1, /* register source/dest used. */ - c_flag:1, /* complement. */ - u_flag:1, /* upper half word. */ - n_flag:1, /* execute next. */ - wb_flag:1, /* uses writeback slot. */ - dest_64:1, /* double precision dest. */ - s1_64:1, /* double precision source 1. */ - s2_64:1, /* double precision source 2. */ - scale_flag:1; /* register is scaled. */ -}; - -typedef struct INSTRUCTAB { - unsigned int opcode; - char *mnemonic; - OPSPEC op1,op2,op3; - struct SIM_FLAGS flgs; -} INSTAB; - - -#define NO_OPERAND {0,0,0} - -extern const INSTAB instructions[]; - -/* - * Local Variables: - * fill-column: 131 - * End: - */ |