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[/] [or1k/] [tags/] [stable_0_2_0_rc3/] [or1ksim/] [cpu/] [common/] [abstract.h] - Rev 1778
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/* abstract.h -- 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. */ #include <stdio.h> #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 (5) #define OP_MEM_ACCESS 0x80000000 /* Cache tag types. */ #define CT_NONE 0 #define CT_VIRTUAL 1 #define CT_PHYSICAL 2 /* Instruction queue */ struct iqueue_entry { int insn_index; uint32_t insn; oraddr_t insn_addr; }; struct mem_ops { /* Read functions */ uint32_t (*readfunc32)(oraddr_t, void *); uint16_t (*readfunc16)(oraddr_t, void *); uint8_t (*readfunc8)(oraddr_t, void *); /* Read functions' data */ void *read_dat8; void *read_dat16; void *read_dat32; /* Write functions */ void (*writefunc32)(oraddr_t, uint32_t, void *); void (*writefunc16)(oraddr_t, uint16_t, void *); void (*writefunc8)(oraddr_t, uint8_t, void *); /* Write functions' data */ void *write_dat8; void *write_dat16; void *write_dat32; /* Program load function. If you have unwritteable memory but you would like * it if a program would be loaded here, make sure to set this. If this is * not set, then writefunc8 will be called to load the program */ void (*writeprog32)(oraddr_t, uint32_t, void *); void (*writeprog8)(oraddr_t, uint8_t, void *); void *writeprog32_dat; void *writeprog8_dat; /* Read/Write delays */ int delayr; int delayw; /* Name of log file */ const char *log; }; /* Memory regions assigned to devices */ struct dev_memarea { struct dev_memarea *next; oraddr_t addr_mask; oraddr_t addr_compare; uint32_t size; oraddr_t size_mask; /* Address mask, calculated out of size */ int valid; /* This bit reflects the memory controler valid bit */ FILE *log; /* log file if this device is to be logged, NULL otherwise */ struct mem_ops ops; struct mem_ops direct_ops; }; extern void dumpmemory(oraddr_t from, oraddr_t to, int disasm, int nl); extern uint32_t eval_mem32(oraddr_t memaddr,int*); extern uint16_t eval_mem16(oraddr_t memaddr,int*); extern uint8_t eval_mem8(oraddr_t memaddr,int*); void set_mem32(oraddr_t memaddr, uint32_t value,int*); extern void set_mem16(oraddr_t memaddr, uint16_t value,int*); extern void set_mem8(oraddr_t memaddr, uint8_t value,int*); uint32_t evalsim_mem32(oraddr_t, oraddr_t); uint16_t evalsim_mem16(oraddr_t, oraddr_t); uint8_t evalsim_mem8(oraddr_t, oraddr_t); void setsim_mem32(oraddr_t, oraddr_t, uint32_t); void setsim_mem16(oraddr_t, oraddr_t, uint16_t); void setsim_mem8(oraddr_t, oraddr_t, uint8_t); /* Closes files, etc. */ void done_memory_table (void); /* Displays current memory configuration */ void memory_table_status (void); /* Register memory area */ struct dev_memarea *reg_mem_area(oraddr_t addr, uint32_t size, unsigned mc_dev, struct mem_ops *ops); /* Adjusts the read and write delays for the memory area pointed to by mem. */ void adjust_rw_delay(struct dev_memarea *mem, int delayr, int delayw); /* Sets the valid bit (Used only by memory controllers) */ void set_mem_valid(struct dev_memarea *mem, int valid); /* Check if access is to registered area of memory. */ struct dev_memarea *verify_memoryarea(oraddr_t addr); /* Outputs time in pretty form to dest string. */ char *generate_time_pretty (char *dest, long time_ps); /* Returns 32-bit values from mem array. */ uint32_t eval_insn(oraddr_t, int *); uint32_t eval_insn_direct(oraddr_t memaddr, int through_mmu); uint8_t eval_direct8(oraddr_t memaddr, int through_mmu, int through_dc); uint16_t eval_direct16(oraddr_t memaddr, int through_mmu, int through_dc); uint32_t eval_direct32(oraddr_t addr, int through_mmu, int through_dc); void set_direct8(oraddr_t, uint8_t, int, int); void set_direct16(oraddr_t, uint16_t, int, int); void set_direct32(oraddr_t, uint32_t, int, int); /* Same as set_direct32, but it also writes to memory that is non-writeable to * the rest of the sim. Used to do program loading. */ void set_program32(oraddr_t memaddr, uint32_t value); void set_program8(oraddr_t memaddr, uint8_t value); /* Temporary variable to increase speed. */ extern struct dev_memarea *cur_area; /* These are set by mmu if cache inhibit bit is set for current acces. */ extern int data_ci, insn_ci; /* Added by MM */ #ifndef LONGEST #define LONGEST long long #define ULONGEST unsigned long long #endif /* ! LONGEST */ /* Returns the page that addr belongs to */ #define IADDR_PAGE(addr) ((addr) & config.immu.page_mask) #define DADDR_PAGE(addr) ((addr) & config.dmmu.page_mask) /* History of execution */ #define HISTEXEC_LEN 200 struct hist_exec { oraddr_t addr; struct hist_exec *prev; struct hist_exec *next; }; extern struct hist_exec *hist_exec_tail;
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