Subversion Repositories openrisc_me

/* MemoryLoad.h -- Header file for parse.c

   Copyright (C) 1999 Damjan Lampret, lampret@opencores.org

   Copyright (C) 2008 Embecosm Limited

   Copyright (C) 2009 Julius Baxter, julius@orsoc.se

   Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>

   This file is part of Or1ksim, the 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 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, see <http://www.gnu.org/licenses/>.  */

/* Here we define some often used caharcters in assembly files.  This wil

   probably go into architecture dependent directory. */

#ifndef MEMORYLOAD__H

#define MEMORYLOAD__H

/* Package includes */

//#include "sim-config.h"

#include <stdint.h>

#include "coff.h"

#include "elf.h"

#include "OrpsocAccess.h"

//#define PRINTF(x...) fprintf(stdout,x)

#define PRINTF(x...)

/* Basic types for openrisc */

typedef uint32_t  oraddr_t;     /*!< Address as addressed by openrisc */

typedef uint32_t  uorreg_t;     /*!< An unsigned register of openrisc */

typedef int32_t   orreg_t;      /*!< A signed register of openrisc */

/* From abstract.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

/* History of execution */

#define HISTEXEC_LEN               200

/* Added by MM */

#ifndef LONGEST

#define LONGEST long long

#endif /* LONGEST */

#ifndef ULONGEST

#define ULONGEST unsigned long long

#endif /* ULONGEST */

#define PRIx32 "x"

#define PRIx16 "hx"

#define PRIx8 "hhx"

#define PRId32 "d"

/* Strings for printing OpenRISC types */

#define PRIxADDR  "08" PRIx32   /*!< print an openrisc address in hex */

#define PRIxREG   "08" PRIx32   /*!< print an openrisc register in hex */

#define PRIdREG   PRId32        /*!< print an openrisc register in decimals */

/* Endianness convenience macros */

#define LE16(x) bswap_16(x)

/*! Instruction queue */

struct iqueue_entry

{

  int       insn_index;

  uint32_t  insn;

  oraddr_t  insn_addr;

};

/*! Structure for holding one label per particular memory location */

struct label_entry

{

  char               *name;

  oraddr_t            addr;

  struct label_entry *next;

};

/* from arch sim cpu/or1k/opcode/or32.h */

#define MAX_GPRS 32

#define PAGE_SIZE 8192

class MemoryLoad

{

 public:

  // Constructor

  MemoryLoad(OrpsocAccess            *_accessor);

  // Label access function

  struct label_entry* get_label (oraddr_t addr);

  uint32_t  loadcode (char     *filename,

                      oraddr_t  startaddr,

                      oraddr_t  virtphy_transl);

 private:

  //! The accessor for the Orpsoc instance

  OrpsocAccess *accessor;

#define MEMORY_LEN  0x100000000ULL

  /*!Whether to do immediate statistics. This seems to be for local debugging

  of parse.c */

#define IMM_STATS 0

  /*!Unused mem memory marker. It is used when allocating program and data

  memory during parsing */

  unsigned int  freemem;

   /*!Translation table provided by microkernel. Only used if simulating

   microkernel. */

  oraddr_t  transl_table;

  /*!Used to signal whether during loading of programs a translation fault

  occured. */

  uint32_t  transl_error;

#if IMM_STATS

  int       bcnt[33][3] = { 0 };

  int       bsum[3]     = { 0 };

  uint32_t  movhi       = 0;

#endif  /* IMM_STATS */

  // A large number, for the Linux kernel (~8000 functions)

#define LABELS_HASH_SIZE 10000

  /* Local list of labels (symbols) */

  struct label_entry *label_hash[LABELS_HASH_SIZE];

  /* Function prototypes for external use */

  char     *strstrip (char       *dst,

                      const char *src,

                      int         n);

  oraddr_t translate (oraddr_t  laddr,

                      int      *breakpoint);

  int bits (uint32_t val);

  void check_insn (uint32_t insn);

  void addprogram (oraddr_t  address,

                   uint32_t  insn,

                   int      *breakpoint);

  void readfile_coff (char  *filename,

                      short  sections);

  void readsyms_coff (char *filename,

                      uint32_t symptr,

                      uint32_t syms);

  void readfile_elf (char *filename);

  void identifyfile (char *filename);

  void init_labels ();

  void add_label (oraddr_t addr, char *name);

  struct label_entry* find_label (char *name);

  oraddr_t eval_label (char *name);

};

#endif  /* MEMORYLOAD__H */