Subversion Repositories plasma_fpu

# --------------------------------------------------------------------------

# >>>>>>>>>>>>>>>>>>>>>>>>>>>> COPYRIGHT NOTICE <<<<<<<<<<<<<<<<<<<<<<<<<<<<

# --------------------------------------------------------------------------

# TITLE:       Plasma MEMORY ACCESS SCRIPT

# AUTHOR:      Alex Schoenberger (Alex.Schoenberger@ies.tu-darmstadt.de)

# COMMENT:     This project is based on Plasma CPU core by Steve Rhoads

# www.ies.tu-darmstadt.de

# TU Darmstadt

# Institute for Integrated Systems

# Merckstr. 25

# 64283 Darmstadt - GERMANY

# --------------------------------------------------------------------------

# PROJECT:       Plasma CPU core with FPU

# FILENAME:      plasma_memory.tcl

# --------------------------------------------------------------------------

# COPYRIGHT: 

#  This project is distributed by GPLv2.0

#  Software placed into the public domain by the author.

#  Software 'as is' without warranty.  Author liable for nothing.

# --------------------------------------------------------------------------

# DESCRIPTION:

#    read and write memory

#

# --------------------------------------------------------------------------

# Revision History

# --------------------------------------------------------------------------

# Revision   Date    Author     CHANGES

# 1.0      4/2014    AS         initial

# --------------------------------------------------------------------------

# #################################################################################################

# _    ____ ____ ___     _  _ ____ _  _ ____ ____ _   _ 

# |    |  | |__| |  \    |\/| |___ |\/| |  | |__/  \_/  

# |___ |__| |  | |__/    |  | |___ |  | |__| |  \   |   

#

# write content of a extern file to memory

#

proc load_memory { } {

  #

  # generic memory model

  #

  mem load -infile memory_in.mem -format hex -filltype value -filldata 8'h00  /tb_plasma/u2_memory/ram

}

# #################################################################################################

# ____ ___ ____ ____ ____    _  _ ____ _  _ ____ ____ _   _

# [__   |  |  | |__/ |___    |\/| |___ |\/| |  | |__/  \_/

# ___]  |  |__| |  \ |___    |  | |___ |  | |__| |  \   |

#

# write content of memory to extern file

#

proc store_memory { } {

  # 0x8D_0000

  set OUTPUT_START_ADDR      9240576

  # 0x8D_0000 + 0xD_0000 = 0x9A_0000

  set OUTPUT_END_ADDR       10092544

  #

  # generic memory model

  #

  mem save -format hex -wordsperline 32 -st $OUTPUT_START_ADDR -end $OUTPUT_END_ADDR -outfile memory_out.mem /tb_plasma/u2_memory/ram

}

# #################################################################################################

# _ _  _ _ ___ _ ____ _    _ ____ ____ ___ _ ____ _  _

# | |\ | |  |  | |__| |    | [__  |__|  |  | |  | |\ |

# | | \| |  |  | |  | |___ | ___] |  |  |  | |__| | \|

#

# triggered on "init" signal

#

when { init = 1 } {

  echo "Memory initialisation start"

  load_memory

  echo "Memory initialisation done"

}

# #################################################################################################

# ____ _ _  _ _  _ _    ____ ___ _ ____ _  _    ____ _  _ _ ___

# [__  | |\/| |  | |    |__|  |  | |  | |\ |    |___  \/  |  |

# ___] | |  | |__| |___ |  |  |  | |__| | \|    |___ _/\_ |  |

#

when { sim_finish = 1 } {

    stop

    store_memory

    exit -f

}