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[/] [or1k/] [tags/] [nog_patch_61/] [or1ksim/] [cpu/] [common/] [abstract.h] - Rev 242
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/* abstract.c -- Abstract entities header file Copyright (C) 1999 Damjan Lampret, lampret@opencores.org This file is part of OpenRISC 1000 Architectural Simulator. 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 2 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #define DEFAULT_MEMORY_START 0 #define DEFAULT_MEMORY_LEN 0x800000 #define STACK_SIZE 20 #define LABELNAME_LEN 50 #define INSNAME_LEN 15 #define OPERANDNAME_LEN 50 #define MAX_OPERANDS (4) /* Structure for holding several labels of a particular memory location */ struct label_entry { char *name; struct label_entry *next; }; #define OP_MEM_ACCESS 0x80000000 /* This is an abstract memory type rather than physical memory type. It holds disassembled instructions. */ struct mem_entry { unsigned char data; unsigned char brk; struct label_entry *label; /* labels */ }; enum insn_type { unknown, exception, arith, shift, compare, branch, jump, load, store, movimm, move, extend, nop, mac }; /* Instruction queue */ struct iqueue_entry { enum insn_type func_unit; int insn_index; unsigned long insn; unsigned long op[2 * MAX_OPERANDS]; unsigned long insn_addr; }; /* Memory regions assigned to devices */ struct dev_memarea { struct dev_memarea *next; unsigned long start; unsigned long end; unsigned long size; unsigned long granularity; /* how many bytes read/write accepts: 1/2/4 */ unsigned long (*readfunc)(unsigned long); void (*writefunc)(unsigned long, unsigned long); struct mem_entry* (*getentry) (unsigned long); /* private data */ unsigned long misc; }; extern struct iqueue_entry iqueue[20]; extern struct iqueue_entry icomplet[20]; extern unsigned long pc; extern void dumpmemory(unsigned int from, unsigned int to, int disasm); extern unsigned long eval_label(char *label); extern unsigned long eval_mem32(unsigned long memaddr,int*); extern unsigned short eval_mem16(unsigned long memaddr,int*); extern unsigned char eval_mem8(unsigned long memaddr,int*); extern void set_mem32(unsigned long memaddr, unsigned long value,int*); extern void set_mem16(unsigned long memaddr, unsigned short value,int*); extern void set_mem8(unsigned long memaddr, unsigned char value,int*); unsigned long evalsim_mem32(unsigned long); unsigned short evalsim_mem16(unsigned long); unsigned char evalsim_mem8(unsigned long); void setsim_mem32(unsigned long,unsigned long); void setsim_mem16(unsigned long,unsigned short); void setsim_mem8(unsigned long,unsigned char); void sim_read_memory_table (char *filename); /* Register read and write function for a memory area (used by peripheral devices like 16450 UART etc.) */ void register_memoryarea(unsigned long start, unsigned long size, unsigned granularity, unsigned long (readfunc)(unsigned long), void (writefunc)(unsigned long, unsigned long), struct mem_entry *(getentry)(unsigned long)); /* Check if access is to registered area of memory. */ struct dev_memarea *verify_memoryarea(unsigned long addr); /* Temporary variable to increase speed. */ extern struct dev_memarea *cur_area; /* Added by MM */ #ifndef LONGEST #define LONGEST long long #define ULONGEST unsigned long long #endif /* ! LONGEST */
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