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[/] [myblaze/] [trunk/] [rtl/] [gprf.py] - Blame information for rev 2

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1 2 rockee 
# -*- coding: utf-8 -*-
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"""
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    gprf.py
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    =======
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    General purpose Register File
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    :copyright: Copyright (c) 2010 Jian Luo.
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    :author-email: jian <dot> luo <dot> cn <at> gmail <dot> com.
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    :license: BSD, see LICENSE for details.
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    :revision: $Id$
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"""
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from myhdl import *
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from defines import *
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from functions import *
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from dsram import *
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from debug import *
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def GPRF(
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        clock,
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        enable,
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        gprf_adr_a_i,
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        gprf_adr_b_i,
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        gprf_adr_d_i,
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        gprf_dat_w_i,
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        gprf_adr_w_i,
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        gprf_wre_i,
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        gprf_dat_a_o,
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        gprf_dat_b_o,
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        gprf_dat_d_o,
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        ):
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    a = DSRAM(gprf_dat_a_o, gprf_adr_a_i, enable,
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              gprf_dat_w_i, gprf_adr_w_i, gprf_wre_i, clock,
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              width=CFG_DMEM_WIDTH, size=CFG_GPRF_SIZE)
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    b = DSRAM(gprf_dat_b_o, gprf_adr_b_i, enable,
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              gprf_dat_w_i, gprf_adr_w_i, gprf_wre_i, clock,
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              width=CFG_DMEM_WIDTH, size=CFG_GPRF_SIZE)
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    d = DSRAM(gprf_dat_d_o, gprf_adr_d_i, enable,
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              gprf_dat_w_i, gprf_adr_w_i, gprf_wre_i, clock,
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              width=CFG_DMEM_WIDTH, size=CFG_GPRF_SIZE)
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    #if __debug__:
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        #@instance
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        #def show():
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            #while DEBUG_VERBOSE:
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                #yield clock.posedge
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                ##print 'tick'
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                #addr_a = gprf_adr_a_i
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                #addr_b = gprf_adr_b_i
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                #addr_d = gprf_adr_d_i
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                #if enable and gprf_wre_i:
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                    #print 'gprf:\twrite:\t',
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                    #print 'Rd := R%d<-0x%x' % (gprf_adr_w_i, gprf_dat_w_i)
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                #yield delay(1)
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                #if enable:
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                    #print 'gprf:\tread:\t',
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                    #print ('Ra := R%d->0x%x, Rb := R%d->0x%x, Rd := R%d->0x%x'
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                           #% (addr_a, gprf_dat_a_o,
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                              #addr_b, gprf_dat_b_o,
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                              #addr_d, gprf_dat_d_o))
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    return instances()
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### EOF ###
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# vim:smarttab:sts=4:ts=4:sw=4:et:ai:tw=80:
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