Subversion Repositories myblaze

# -*- coding: utf-8 -*-

"""

    gprf.py

    =======

    General purpose Register File

    :copyright: Copyright (c) 2010 Jian Luo

    :author-email: jian.luo.cn(at_)gmail.com

    :license: LGPL, see LICENSE for details

    :revision: $Id: gprf.py 6 2010-11-21 23:18:44Z rockee $

"""

from myhdl import *

from defines import *

from functions import *

from dsram import *

#from debug import *

def GPRF(

        clock,

        enable,

        gprf_adr_a_i,

        gprf_adr_b_i,

        gprf_adr_d_i,

        gprf_dat_w_i,

        gprf_adr_w_i,

        gprf_wre_i,

        gprf_dat_a_o,

        gprf_dat_b_o,

        gprf_dat_d_o,

        ):

    a = DSRAM(gprf_dat_a_o, gprf_adr_a_i, enable,

              gprf_dat_w_i, gprf_adr_w_i, gprf_wre_i, clock,

              width=CFG_DMEM_WIDTH, size=CFG_GPRF_SIZE)

    b = DSRAM(gprf_dat_b_o, gprf_adr_b_i, enable,

              gprf_dat_w_i, gprf_adr_w_i, gprf_wre_i, clock,

              width=CFG_DMEM_WIDTH, size=CFG_GPRF_SIZE)

    d = DSRAM(gprf_dat_d_o, gprf_adr_d_i, enable,

              gprf_dat_w_i, gprf_adr_w_i, gprf_wre_i, clock,

              width=CFG_DMEM_WIDTH, size=CFG_GPRF_SIZE)

    #if __debug__:

        #@instance

        #def show():

            #while DEBUG_VERBOSE:

                #yield clock.posedge

                ##print 'tick'

                #addr_a = gprf_adr_a_i

                #addr_b = gprf_adr_b_i

                #addr_d = gprf_adr_d_i

                #if enable and gprf_wre_i:

                    #print 'gprf:\twrite:\t',

                    #print 'Rd := R%d<-0x%x' % (gprf_adr_w_i, gprf_dat_w_i)

                #yield delay(1)

                #if enable:

                    #print 'gprf:\tread:\t',

                    #print ('Ra := R%d->0x%x, Rb := R%d->0x%x, Rd := R%d->0x%x'

                           #% (addr_a, gprf_dat_a_o,

                              #addr_b, gprf_dat_b_o,

                              #addr_d, gprf_dat_d_o))

    return instances()

### EOF ###

# vim:smarttab:sts=4:ts=4:sw=4:et:ai:tw=80: