/* abstract.c -- Abstract entities header file
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/* abstract.c -- Abstract entities header file
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Copyright (C) 1999 Damjan Lampret, lampret@opencores.org
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Copyright (C) 1999 Damjan Lampret, lampret@opencores.org
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This file is part of OpenRISC 1000 Architectural Simulator.
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This file is part of OpenRISC 1000 Architectural Simulator.
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include <stdio.h>
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#include <stdio.h>
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#define DEFAULT_MEMORY_START 0
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#define DEFAULT_MEMORY_START 0
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#define DEFAULT_MEMORY_LEN 0x800000
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#define DEFAULT_MEMORY_LEN 0x800000
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#define STACK_SIZE 20
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#define STACK_SIZE 20
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#define LABELNAME_LEN 50
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#define LABELNAME_LEN 50
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#define INSNAME_LEN 15
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#define INSNAME_LEN 15
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#define OPERANDNAME_LEN 50
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#define OPERANDNAME_LEN 50
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#define MAX_OPERANDS (4)
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#define MAX_OPERANDS (4)
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#define OP_MEM_ACCESS 0x80000000
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#define OP_MEM_ACCESS 0x80000000
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/* Cache tag types. */
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/* Cache tag types. */
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#define CT_NONE 0
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#define CT_NONE 0
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#define CT_VIRTUAL 1
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#define CT_VIRTUAL 1
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#define CT_PHYSICAL 2
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#define CT_PHYSICAL 2
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enum insn_type { it_unknown, it_exception, it_arith, it_shift, it_compare, it_branch,
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enum insn_type { it_unknown, it_exception, it_arith, it_shift, it_compare, it_branch,
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it_jump, it_load, it_store, it_movimm, it_move, it_extend, it_nop, it_mac };
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it_jump, it_load, it_store, it_movimm, it_move, it_extend, it_nop, it_mac, it_float };
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/* Instruction queue */
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/* Instruction queue */
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struct iqueue_entry {
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struct iqueue_entry {
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enum insn_type func_unit;
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enum insn_type func_unit;
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int insn_index;
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int insn_index;
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unsigned long insn;
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unsigned long insn;
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unsigned long op[2 * MAX_OPERANDS];
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unsigned long op[2 * MAX_OPERANDS];
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unsigned long insn_addr;
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unsigned long insn_addr;
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};
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};
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/* Memory regions assigned to devices */
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/* Memory regions assigned to devices */
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struct dev_memarea {
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struct dev_memarea {
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struct dev_memarea *next;
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struct dev_memarea *next;
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/*unsigned long start;
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/*unsigned long start;
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unsigned long end; /* if start + size > end, this block is disabled; to enable it recalculate end addr. */
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unsigned long end; /* if start + size > end, this block is disabled; to enable it recalculate end addr. */
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unsigned long addr_mask;
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unsigned long addr_mask;
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unsigned long addr_compare;
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unsigned long addr_compare;
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unsigned long size;
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unsigned long size;
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unsigned long size_mask; /* Address mask, calculated out of size */
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unsigned long size_mask; /* Address mask, calculated out of size */
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unsigned long granularity; /* how many bytes read/write accepts: 1/2/4 */
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unsigned long granularity; /* how many bytes read/write accepts: 1/2/4 */
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int delayr; /* Read delay */
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int delayr; /* Read delay */
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int delayw; /* Write delay */
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int delayw; /* Write delay */
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int chip_select; /* Needed by memory controller; specifies chip select number for this memory area. */
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int chip_select; /* Needed by memory controller; specifies chip select number for this memory area. */
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int valid; /* This bit reflect the memory controler valid bit */
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int valid; /* This bit reflect the memory controler valid bit */
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FILE *log; /* log file if this device is to be logged, NULL otherwise */
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FILE *log; /* log file if this device is to be logged, NULL otherwise */
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unsigned long (*readfunc)(unsigned long);
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unsigned long (*readfunc)(unsigned long);
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void (*writefunc)(unsigned long, unsigned long);
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void (*writefunc)(unsigned long, unsigned long);
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/* private data */
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/* private data */
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unsigned long misc;
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unsigned long misc;
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};
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};
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extern struct iqueue_entry iqueue[20];
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extern struct iqueue_entry iqueue[20];
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extern struct iqueue_entry icomplet[20];
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extern struct iqueue_entry icomplet[20];
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extern unsigned long pc;
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extern unsigned long pc;
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extern int mem_cycles; /* Number of memory cycles in during this instruction execution */
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extern int mem_cycles; /* Number of memory cycles in during this instruction execution */
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extern int cycles; /* Total number of cycles executed so far */
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extern int cycles; /* Total number of cycles executed so far */
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extern void dumpmemory(unsigned int from, unsigned int to, int disasm, int nl);
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extern void dumpmemory(unsigned int from, unsigned int to, int disasm, int nl);
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extern unsigned long eval_mem32(unsigned long memaddr,int*);
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extern unsigned long eval_mem32(unsigned long memaddr,int*);
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extern unsigned short eval_mem16(unsigned long memaddr,int*);
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extern unsigned short eval_mem16(unsigned long memaddr,int*);
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extern unsigned char eval_mem8(unsigned long memaddr,int*);
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extern unsigned char eval_mem8(unsigned long memaddr,int*);
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extern void set_mem32(unsigned long memaddr, unsigned long value,int*);
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extern void set_mem32(unsigned long memaddr, unsigned long value,int*);
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extern void set_mem16(unsigned long memaddr, unsigned short value,int*);
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extern void set_mem16(unsigned long memaddr, unsigned short value,int*);
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extern void set_mem8(unsigned long memaddr, unsigned char value,int*);
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extern void set_mem8(unsigned long memaddr, unsigned char value,int*);
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unsigned long evalsim_mem32(unsigned long);
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unsigned long evalsim_mem32(unsigned long);
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unsigned short evalsim_mem16(unsigned long);
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unsigned short evalsim_mem16(unsigned long);
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unsigned char evalsim_mem8(unsigned long);
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unsigned char evalsim_mem8(unsigned long);
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void setsim_mem32(unsigned long,unsigned long);
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void setsim_mem32(unsigned long,unsigned long);
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void setsim_mem16(unsigned long,unsigned short);
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void setsim_mem16(unsigned long,unsigned short);
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void setsim_mem8(unsigned long,unsigned char);
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void setsim_mem8(unsigned long,unsigned char);
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void init_memory_table ();
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void init_memory_table ();
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/* Changes read/write memory in read/write only */
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/* Changes read/write memory in read/write only */
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void lock_memory_table ();
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void lock_memory_table ();
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/* Closes files, etc. */
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/* Closes files, etc. */
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void done_memory_table ();
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void done_memory_table ();
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/* Displays current memory configuration */
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/* Displays current memory configuration */
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void memory_table_status ();
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void memory_table_status ();
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/* Register read and write function for a memory area.
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/* Register read and write function for a memory area.
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addr is inside the area, if addr & addr_mask == addr_compare
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addr is inside the area, if addr & addr_mask == addr_compare
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(used also by peripheral devices like 16450 UART etc.) */
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(used also by peripheral devices like 16450 UART etc.) */
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void register_memoryarea_mask(unsigned long addr_mask, unsigned long addr_compare,
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void register_memoryarea_mask(unsigned long addr_mask, unsigned long addr_compare,
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unsigned long size, unsigned granularity,
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unsigned long size, unsigned granularity,
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unsigned long (readfunc)(unsigned long),
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unsigned long (readfunc)(unsigned long),
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void (writefunc)(unsigned long, unsigned long));
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void (writefunc)(unsigned long, unsigned long));
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/* Register read and write function for a memory area.
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/* Register read and write function for a memory area.
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Memory areas should be aligned. Memory area is rounded up to
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Memory areas should be aligned. Memory area is rounded up to
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fit the nearest 2^n aligment.
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fit the nearest 2^n aligment.
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(used also by peripheral devices like 16450 UART etc.) */
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(used also by peripheral devices like 16450 UART etc.) */
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void register_memoryarea(unsigned long addr,
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void register_memoryarea(unsigned long addr,
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unsigned long size, unsigned granularity,
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unsigned long size, unsigned granularity,
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unsigned long (readfunc)(unsigned long),
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unsigned long (readfunc)(unsigned long),
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void (writefunc)(unsigned long, unsigned long));
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void (writefunc)(unsigned long, unsigned long));
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/* Check if access is to registered area of memory. */
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/* Check if access is to registered area of memory. */
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struct dev_memarea *verify_memoryarea(unsigned long addr);
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struct dev_memarea *verify_memoryarea(unsigned long addr);
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/* Outputs time in pretty form to dest string */
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/* Outputs time in pretty form to dest string */
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void generate_time_pretty (char *dest, long time_ps);
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void generate_time_pretty (char *dest, long time_ps);
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/* Temporary variable to increase speed. */
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/* Temporary variable to increase speed. */
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extern struct dev_memarea *cur_area;
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extern struct dev_memarea *cur_area;
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/* These are set by mmu if cache inhibit bit is set for current acces. */
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/* These are set by mmu if cache inhibit bit is set for current acces. */
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extern int data_ci, insn_ci;
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extern int data_ci, insn_ci;
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/* Added by MM */
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/* Added by MM */
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#ifndef LONGEST
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#ifndef LONGEST
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#define LONGEST long long
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#define LONGEST long long
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#define ULONGEST unsigned long long
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#define ULONGEST unsigned long long
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#endif /* ! LONGEST */
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#endif /* ! LONGEST */
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/* Instructions left to execute */
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/* Instructions left to execute */
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extern int cont_run;
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extern int cont_run;
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/* History of execution */
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/* History of execution */
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#define HISTEXEC_LEN 200
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#define HISTEXEC_LEN 200
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extern int histexec[HISTEXEC_LEN];
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extern int histexec[HISTEXEC_LEN];
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