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/* sim.cfg -- Simulator configuration script file
   Copyright (C) 2001, Marko Mlinar, markom@opencores.org

This file includes a lot of help about configurations and default one

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. */


/* INTRODUCTION

   The or1ksim have various parameters, which can be set in configuration
   files.  Multiple configurations may be used and switched between at
   or1ksim startup.
   By default, or1ksim loads condfiguration file from './sim.cfg' and if not
   found it checks '~/.or1k/sim.cfg'. If even this file is not found or
   all parameters are not defined, default configuration is used.
   Users should not rely on default configuration, but rather redefine all
   critical settings, since default configuration may differ in newer
   versions of the or1ksim.
   If multiple configurations are used, user can switch between them by
   supplying -f <filename.cfg> option when starting simulator.

   This file may contain (standard C) only comments - no // support.

   Like normal configuration file, this file is divided in sections,
   where each section is described in detail also.

   Some section also have subsections. One example of such subsection is
   block:

   device <index>
     instance specific parameters...
   enddevice

   which creates a device instance.
*/


/* MEMORY SECTION

   This section specifies how is initial memory generated and which blocks
   it consist of.

   type = random/unknown/pattern
      specifies the initial memory values. 'random' parameter generate
      random memory using seed 'random_seed' parameter. 'pattern' parameter
      fills memory with 'pattern' parameter and 'unknown' does not specify
      how memory should be generated - the fastest option.

   random_seed = <value>
      random seed for randomizer, used if type = random

   pattern = <value>
      pattern to fill memory, used if type = pattern

   nmemories = <value>
      number of memory instances connected

   instance specific:
     baseaddr = <hex_value>
        memory start address

     size = <hex_value>
        memory size

     name = "<string>"
        memory block name

     ce = <value>
        chip enable index of the memory instance

     delayr = <value>
        cycles, required for read access, -1 if instance does not support reading

     delayw = <value>
        cycles, required for write access, -1 if instance does not support writing

     16550 = 0/1
        0, if this device is uart 16450 and 1, if it is 16550

     log = "<filename>"
        filename, where to log memory accesses to, no log, if log command is not specified
*/

section memory
  /*random_seed = 12345
  type = random*/
  pattern = 0x00
  type = unknown /* Fastest */

  nmemories = 3
  device 0
    name = "RAM"
    ce = 1
    baseaddr = 0x00000000
    size = 0x00200000
    delayr = 1
    delayw = 5
  enddevice

  device 1
    name = "FLASH"
    ce = 0
    baseaddr = 0x04000000
    size = 0x00200000
    delayr = 1
    delayw = -1
  enddevice

  device 2
    name = "ICM"
    ce = 2
    baseaddr = 0x00800000
    size = 0x00004000
    delayr = 1
    delayw = 1
  enddevice

end

/* IMMU SECTION

    This section configures Instruction Memory Menangement Unit

    enabled = 0/1
       whether IMMU is enabled
       (NOTE: UPR bit is set)

    nsets = <value>
       number of ITLB sets; must be power of two

    nways = <value>
       number of ITLB ways

    pagesize = <value>
       instruction page size; must be power of two

    entrysize = <value>
       instruction entry size in bytes

    ustates = <value>
       number of ITLB usage states (2, 3, 4 etc., max is 4)
*/

section immu
  enabled = 1
  nsets = 32
  nways = 1
  pagesize = 8192
end

/* DMMU SECTION

    This section configures Data Memory Menangement Unit

    enabled = 0/1
       whether DMMU is enabled
       (NOTE: UPR bit is set)

    nsets = <value>
       number of DTLB sets; must be power of two

    nways = <value>
       number of DTLB ways

    pagesize = <value>
       data page size; must be power of two

    entrysize = <value>
       data entry size in bytes

    ustates = <value>
       number of DTLB usage states (2, 3, 4 etc., max is 4)
*/

section dmmu
  enabled = 1
  nsets = 32
  nways = 1
  pagesize = 8192
end


/* IC SECTION

    This section configures Instruction Cache

    enabled = 0/1
       whether IC is enabled
       (NOTE: UPR bit is set)

    nsets = <value>
       number of IC sets; must be power of two

    nways = <value>
       number of IC ways

    blocksize = <value>
       IC block size in bytes; must be power of two

    ustates = <value>
       number of IC usage states (2, 3, 4 etc., max is 4)
*/

section ic
  enabled = 1
  nsets = 512
  nways = 1
  blocksize = 16
end

/* DC SECTION

    This section configures Data Cache

    enabled = 0/1
       whether DC is enabled
       (NOTE: UPR bit is set)

    nsets = <value>
       number of DC sets; must be power of two

    nways = <value>
       number of DC ways

    blocksize = <value>
       DC block size in bytes; must be power of two

    ustates = <value>
       number of DC usage states (2, 3, 4 etc., max is 4)
*/

section dc
  enabled = 1
  nsets = 512
  nways = 1
  blocksize = 16
end

/* SIM SECTION

  This section specifies how should sim behave.

  verbose = 0/1
      whether to print out extra messages

  debug = 0-9
      = 0 disabled debug messages
      1-9 level of sim debug information, greater the number more verbose is
          the output

  profile = 0/1
      whether to generate profiling file 'sim.profile'

  prof_fn = "<filename>"
      filename, where to generate profiling info, used
      only if 'profile' is set

  history = 0/1
      whether instruction execution flow is tracked for
      display by simulator hist command. Useful for
      back-trace debugging.

  iprompt = 0/1
      whether we strart in interactive prompt

  exe_log = 0/1
      whether execution log should be generated

  exe_log_fn = "<filename>"
      where to put execution log in, used only if 'exe_log'
      is set
      
  clkcycle = <value>[ps|ns|us|ms]
      specifies time measurement for one cycle
*/

section sim
  /* verbose = 1 */
  debug = 0
  profile = 0
  prof_fn = "sim.profile"
  mprofile = 0
  mprof_fn = "sim.mprofile"

  history = 1
  /* iprompt = 0 */
  exe_log = 1
  exe_log_type = hardware
  exe_log_fn = "executed.log"
  spr_log = 1
  spr_log_fn = "sprs.log"
end


/* SECTION VAPI

    This section configures Verification API, used for Advanced
    Core Verification.

    enabled = 0/1
        whether to start VAPI server

    server_port = <value>
        TCP/IP port to start VAPI server on

    log_enabled = 0/1
       whether logging of VAPI requests is enabled

    vapi_fn = <filename>
       specifies filename where to log into, if log_enabled is selected
*/

section VAPI
  enabled = 0
  server_port = 9998
  log_enabled = 0
  vapi_log_fn = "vapi.log"
end


/* CPU SECTION

   This section specifies various CPU parameters.

   ver = <value>
   rev = <value>
      specifies version and revision of the CPU used

   upr = <value>
      changes the upr register

   superscalar = 0/1
      whether CPU is scalar or superscalar
      (modify cpu/or32/execute.c to tune superscalar model)

   hazards = 0/1
      whether data hazards are tracked in superscalar CPU
      and displayed by the simulator r command

   dependstats = 0/1
      whether inter-instruction dependencies are calculated
      and displayed by simulator stats command.
*/

section cpu
  ver = 0x1200
  rev = 0x0001
  /* upr = */
  superscalar = 0
  hazards = 1
  dependstats = 1
  sbuf_len = 1
end

section bpb
  enabled = 1
  btic = 1
end


/* DEBUG SECTION

   This sections specifies how debug unit should behave.

   enabled = 0/1
      whether debug unit is enabled

   gdb_enabled = 0/1
      whether to start gdb server at 'server_port' port

   server_port = <value>
      TCP/IP port to start gdb server on, used only if gdb_enabled
      is set

section debug
  enabled = 0
  gdb_enabled = 0
  server_port = 9999
end


/* MC SECTION

   This section configures the memory controller

   enabled = 0/1
      whether memory controller is enabled

   baseaddr = <hex_value>
      address of first MC register

   POC = <hex_value>
      Power On Configuration register
*/

section mc
  enabled = 1
  baseaddr = 0x60000000
  POC = 0x00000008                 /* Power on configuration register */
end


/* TICK TIMER SECTION

    This section configures tick timer

    enabled = 0/1
      whether tick timer is enabled

    irq = <value>
      irq number
*/

section tick
  enabled = 1
  irq = 3
end

section uart
  nuarts = 1

  device 0  
    baseaddr = 0x90000000
    irq = 2
    channel = "file:uart0.rx,uart0.tx"
    jitter = -1                     /* async behaviour */
  enddevice
end

/* CUC SECTION

    This section configures the OpenRISC Custom Unit Compiler

    memory_order = none/weak/strong/exact
      none   different memory ordering, even if there are dependencies,
             burst can be made, width can change
      weak   different memory ordering, if there cannot be dependencies
             burst can be made, width can change
      strong same memory ordering, burst can be made, width can change
      exact  exacltly the same memory ordering and widths

    calling_convention = 0/1
      whether programs follow OpenRISC calling conventions

    enable_bursts = 0/1
      whether burst are detected

    no_multicycle = 0/1
      if selected no multicycle logic paths will be generated

    timings_fn = "<filename>"
*/
  
section cuc
  memory_order = weak
  calling_convention = 1
  enable_bursts = 1
  no_multicycle = 1
  timings_fn = "../support/virtex.tim"
end

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