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[/] [apbtoaes128/] [trunk/] [pli/] [bfm_ecb/] [aes_bfm_decryption_dma_ecb.h] - Blame information for rev 12

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//////////////////////////////////////////////////////////////////
////
////
////    AES CORE BLOCK
////
////
////
//// This file is part of the APB to AES128 project
////
//// http://www.opencores.org/cores/apbtoaes128/
////
////
////
//// Description
////
//// Implementation of APB IP core according to
////
//// aes128_spec IP core specification document.
////
////
////
//// To Do: Things are right here but always all block can suffer changes
////
////
////
////
////
//// Author(s): - Felipe Fernandes Da Costa, fefe2560@gmail.com
////
///////////////////////////////////////////////////////////////// 
////
////
//// Copyright (C) 2009 Authors and OPENCORES.ORG
////
////
////
//// This source file may be used and distributed without
////
//// restriction provided that this copyright statement is not
////
//// removed from the file and that any derivative work contains
//// the original copyright notice and the associated disclaimer.
////
////
//// This source file is free software; you can redistribute it
////
//// and/or modify it under the terms of the GNU Lesser General
////
//// Public License as published by the Free Software Foundation;
//// either version 2.1 of the License, or (at your option) any
////
//// later version.
////
////
////
//// This source 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 Lesser General Public License for more
//// details.
////
////
////
//// You should have received a copy of the GNU Lesser General
////
//// Public License along with this source; if not, download it
////
//// from http://www.opencores.org/lgpl.shtml
////
////
///////////////////////////////////////////////////////////////////
static int aes_bfm_decryption_ecb_dma_calltf(char*user_data)
{
 
        vpiHandle PRESETn = vpi_handle_by_name("AES_GLADIC_tb.PRESETn", NULL);
        vpiHandle PWDATA = vpi_handle_by_name("AES_GLADIC_tb.PWDATA", NULL);
        vpiHandle PENABLE = vpi_handle_by_name("AES_GLADIC_tb.PENABLE", NULL);
        vpiHandle PSEL = vpi_handle_by_name("AES_GLADIC_tb.PSEL", NULL);
        vpiHandle PWRITE = vpi_handle_by_name("AES_GLADIC_tb.PWRITE", NULL);
        vpiHandle PADDR = vpi_handle_by_name("AES_GLADIC_tb.PADDR", NULL);
        vpiHandle PRDATA = vpi_handle_by_name("AES_GLADIC_tb.PRDATA", NULL);
        vpiHandle PREADY = vpi_handle_by_name("AES_GLADIC_tb.PREADY", NULL);
        vpiHandle PSLVERR = vpi_handle_by_name("AES_GLADIC_tb.PSLVERR", NULL);
        vpiHandle int_ccf = vpi_handle_by_name("AES_GLADIC_tb.int_ccf", NULL);
        vpiHandle int_err = vpi_handle_by_name("AES_GLADIC_tb.int_err", NULL);
        vpiHandle dma_req_wr = vpi_handle_by_name("AES_GLADIC_tb.dma_req_wr", NULL);
        vpiHandle dma_req_rd = vpi_handle_by_name("AES_GLADIC_tb.dma_req_rd", NULL);
 
        std::random_device rd;
        std::uniform_int_distribution<long int> data_in(0,4294967295);
 
        v_ecb.format=vpiIntVal;
 
        vpi_get_value(PRESETn, &v_ecb);
 
 
        //printf("%i\n",STATE);
 
 
        if(type_bfm == ECB_DECRYPTION_DMA && v_ecb.value.integer == 1)
        {
 
                switch(STATE)
                {
 
                  case IDLE:
 
                                if(PACKETS_GENERATED >= MAX_ITERATIONS)
                                {
 
                                        STATE = IDLE;
                                        type_bfm = 0;
 
                                }else
                                {
                                        STATE = WRITE;
 
                                        counter = 0;
 
 
                                        v_ecb.value.integer = 0;
                                        vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
 
                                        v_ecb.value.integer = vector_address[0];
                                        vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
                                        v_ecb.value.integer = 0;
                                        vpi_put_value(PWDATA, &v_ecb, NULL, vpiNoDelay);
 
                                        v_ecb.value.integer = 1;
                                        vpi_put_value(PWRITE, &v_ecb, NULL, vpiNoDelay);
 
                                        v_ecb.value.integer = 1;
                                        vpi_put_value(PSEL, &v_ecb, NULL, vpiNoDelay);
                                }
 
                  break;
 
                  case WRITE:
 
 
                                if(counter == 0)
                                {
 
 
 
                                        if(counter_write == 10 || counter_write == 11 || counter_write == 12 || counter_write == 13 )
                                        {
 
                                                v_ecb.value.integer = 0;
                                                vpi_get_value(dma_req_wr,&v_ecb);
 
 
                                                if(v_ecb.value.integer == 1)
                                                {
                                                        v_ecb.value.integer = 1;
                                                        vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
                                                        counter_write++;
                                                        counter++;
                                                }
 
                                        }
 
                                        if(counter_write < 10)
                                        {
                                                counter_write++;
                                                counter++;
 
                                                v_ecb.value.integer = 1;
                                                vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
 
                                        }
 
                                }else if(counter == 1)
                                {
 
                                        v_ecb.value.integer = 0;
                                        vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
 
 
 
                                        if(counter_write < 9)
                                        {
 
                                                v_ecb.value.integer = vector_address[counter_write];
                                                vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
                                                t_ecb.type = vpiScaledRealTime;
                                                t_ecb.real = 0;
                                                v_ecb.format=vpiIntVal;
                                                if(FIPS_ENABLE == FIPS)
                                                {
 
                                                        if(vector_address[counter_write] == ADDR_AES_KEYR3 || vector_address[counter_write] == ADDR_AES_IVR3)
                                                        {
                                                                a = a | KEY_FIPS_DERIVATED[0];
                                                                a = a << 8;
                                                                a = a | KEY_FIPS_DERIVATED[1];
                                                                a = a << 8;
                                                                a = a | KEY_FIPS_DERIVATED[2];
                                                                a = a << 8;
                                                                a = a | KEY_FIPS_DERIVATED[3];
                                                                v_ecb.value.integer = a;
                                                        }
 
 
                                                        if(vector_address[counter_write] == ADDR_AES_KEYR2 || vector_address[counter_write] == ADDR_AES_IVR2)
                                                        {
                                                                b = b | KEY_FIPS_DERIVATED[4];
                                                                b = b << 8;
                                                                b = b | KEY_FIPS_DERIVATED[5];
                                                                b = b << 8;
                                                                b = b | KEY_FIPS_DERIVATED[6];
                                                                b = b << 8;
                                                                b = b | KEY_FIPS_DERIVATED[7];
                                                                v_ecb.value.integer = b;
                                                        }
 
                                                        if(vector_address[counter_write] == ADDR_AES_KEYR1 || vector_address[counter_write] == ADDR_AES_IVR1)
                                                        {
 
                                                                c = c | KEY_FIPS_DERIVATED[8];
                                                                c = c << 8;
                                                                c = c | KEY_FIPS_DERIVATED[9];
                                                                c = c << 8;
                                                                c = c | KEY_FIPS_DERIVATED[10];
                                                                c = c << 8;
                                                                c = c | KEY_FIPS_DERIVATED[11];
                                                                v_ecb.value.integer = c;
 
                                                        }
 
                                                        if(vector_address[counter_write] == ADDR_AES_KEYR0 || vector_address[counter_write] == ADDR_AES_IVR0)
                                                        {
                                                                d = d | KEY_FIPS_DERIVATED[12];
                                                                d = d << 8;
                                                                d = d | KEY_FIPS_DERIVATED[13];
                                                                d = d << 8;
                                                                d = d | KEY_FIPS_DERIVATED[14];
                                                                d = d << 8;
                                                                d = d | KEY_FIPS_DERIVATED[15];
                                                                v_ecb.value.integer = d;
                                                        }
 
 
 
                                                }else if(FIPS_ENABLE == RANDOM_DATA)
                                                {
                                                        v_ecb.value.integer = data_in(rd);
                                                }
 
                                                //vpi_put_value(PWDATA, &v_ecb, NULL, vpiNoDelay);                                              
                                                vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);
 
 
                                                a = 0;
                                                b = 0;
                                                c = 0;
                                                d = 0;
                                        }
 
 
                                        if(counter_write == 9)
                                        {
 
                                                if(DATATYPE == TYPE_00)// NO DINR DOUTR SWAP DATA
                                                {
                                                        v_ecb.value.integer = ADDR_AES_CR;
                                                        vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
                                                        v_ecb.value.integer = 6161;
                                                        vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);
 
                                                }else if(DATATYPE == TYPE_01)// 16 BIT DINR DOUTR SWAP DATA
                                                {
                                                        v_ecb.value.integer = ADDR_AES_CR;
                                                        vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
                                                        v_ecb.value.integer = 6163;
                                                        vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);
 
                                                }else if(DATATYPE == TYPE_02)// 8 BIT DINR DOUTR SWAP DATA
                                                {
                                                        v_ecb.value.integer = ADDR_AES_CR;
                                                        vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
                                                        v_ecb.value.integer = 6165;
                                                        vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);
 
                                                }else if(DATATYPE == TYPE_03)// BIT DINR DOUTR SWAP DATA
                                                {
                                                        v_ecb.value.integer = ADDR_AES_CR;
                                                        vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
                                                        v_ecb.value.integer = 6167;
                                                        vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);
                                                }
 
                                        }
 
 
                                        if(counter_write > 9  &&  counter_write < 14) //WRITE DINR
                                        {
 
                                                v_ecb.value.integer = ADDR_AES_DINR;
                                                vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
 
                                                if(FIPS_ENABLE == FIPS)
                                                {
 
                                                        if(DATATYPE == TYPE_00)
                                                        {
 
                                                                if(counter_write == 10)
                                                                {
                                                                        a = a | TEXT_FIPS_DERIVATED[0];
                                                                        a = a << 8;
                                                                        a = a | TEXT_FIPS_DERIVATED[1];
                                                                        a = a << 8;
                                                                        a = a | TEXT_FIPS_DERIVATED[2];
                                                                        a = a << 8;
                                                                        a = a | TEXT_FIPS_DERIVATED[3];
                                                                        v_ecb.value.integer = a;
 
                                                                }else if(counter_write == 11)
                                                                {
                                                                        b = b | TEXT_FIPS_DERIVATED[4];
                                                                        b = b << 8;
                                                                        b = b | TEXT_FIPS_DERIVATED[5];
                                                                        b = b << 8;
                                                                        b = b | TEXT_FIPS_DERIVATED[6];
                                                                        b = b << 8;
                                                                        b = b | TEXT_FIPS_DERIVATED[7];
                                                                        v_ecb.value.integer = b;
 
                                                                }else if(counter_write == 12 )
                                                                {
 
                                                                        c = c | TEXT_FIPS_DERIVATED[8];
                                                                        c = c << 8;
                                                                        c = c | TEXT_FIPS_DERIVATED[9];
                                                                        c = c << 8;
                                                                        c = c | TEXT_FIPS_DERIVATED[10];
                                                                        c = c << 8;
                                                                        c = c | TEXT_FIPS_DERIVATED[11];
                                                                        v_ecb.value.integer = c;
 
                                                                }else if(counter_write == 13 )
                                                                {
                                                                        d = d | TEXT_FIPS_DERIVATED[12];
                                                                        d = d << 8;
                                                                        d = d | TEXT_FIPS_DERIVATED[13];
                                                                        d = d << 8;
                                                                        d = d | TEXT_FIPS_DERIVATED[14];
                                                                        d = d << 8;
                                                                        d = d | TEXT_FIPS_DERIVATED[15];
                                                                        v_ecb.value.integer = d;
 
                                                                }
 
                                                        }else if(DATATYPE == TYPE_01)
                                                        {
 
 
                                                                if(counter_write == 10)
                                                                {
                                                                        a = a | TEXT_FIPS_DATATYPE_T01_DERIVATED[0];
                                                                        a = a << 8;
                                                                        a = a | TEXT_FIPS_DATATYPE_T01_DERIVATED[1];
                                                                        a = a << 8;
                                                                        a = a | TEXT_FIPS_DATATYPE_T01_DERIVATED[2];
                                                                        a = a << 8;
                                                                        a = a | TEXT_FIPS_DATATYPE_T01_DERIVATED[3];
                                                                        v_ecb.value.integer = a;
 
                                                                }else if(counter_write == 11)
                                                                {
                                                                        b = b | TEXT_FIPS_DATATYPE_T01_DERIVATED[4];
                                                                        b = b << 8;
                                                                        b = b | TEXT_FIPS_DATATYPE_T01_DERIVATED[5];
                                                                        b = b << 8;
                                                                        b = b | TEXT_FIPS_DATATYPE_T01_DERIVATED[6];
                                                                        b = b << 8;
                                                                        b = b | TEXT_FIPS_DATATYPE_T01_DERIVATED[7];
                                                                        v_ecb.value.integer = b;
 
                                                                }else if(counter_write == 12 )
                                                                {
 
                                                                        c = c | TEXT_FIPS_DATATYPE_T01_DERIVATED[8];
                                                                        c = c << 8;
                                                                        c = c | TEXT_FIPS_DATATYPE_T01_DERIVATED[9];
                                                                        c = c << 8;
                                                                        c = c | TEXT_FIPS_DATATYPE_T01_DERIVATED[10];
                                                                        c = c << 8;
                                                                        c = c | TEXT_FIPS_DATATYPE_T01_DERIVATED[11];
                                                                        v_ecb.value.integer = c;
 
                                                                }else if(counter_write == 13 )
                                                                {
                                                                        d = d | TEXT_FIPS_DATATYPE_T01_DERIVATED[12];
                                                                        d = d << 8;
                                                                        d = d | TEXT_FIPS_DATATYPE_T01_DERIVATED[13];
                                                                        d = d << 8;
                                                                        d = d | TEXT_FIPS_DATATYPE_T01_DERIVATED[14];
                                                                        d = d << 8;
                                                                        d = d | TEXT_FIPS_DATATYPE_T01_DERIVATED[15];
                                                                        v_ecb.value.integer = d;
 
                                                                }
 
                                                        }else if(DATATYPE == TYPE_02)
                                                        {
                                                                if(counter_write == 10)
                                                                {
                                                                        a = a | TEXT_FIPS_DATATYPE_T02_DERIVATED[0];
                                                                        a = a << 8;
                                                                        a = a | TEXT_FIPS_DATATYPE_T02_DERIVATED[1];
                                                                        a = a << 8;
                                                                        a = a | TEXT_FIPS_DATATYPE_T02_DERIVATED[2];
                                                                        a = a << 8;
                                                                        a = a | TEXT_FIPS_DATATYPE_T02_DERIVATED[3];
                                                                        v_ecb.value.integer = a;
 
                                                                }else if(counter_write == 11)
                                                                {
                                                                        b = b | TEXT_FIPS_DATATYPE_T02_DERIVATED[4];
                                                                        b = b << 8;
                                                                        b = b | TEXT_FIPS_DATATYPE_T02_DERIVATED[5];
                                                                        b = b << 8;
                                                                        b = b | TEXT_FIPS_DATATYPE_T02_DERIVATED[6];
                                                                        b = b << 8;
                                                                        b = b | TEXT_FIPS_DATATYPE_T02_DERIVATED[7];
                                                                        v_ecb.value.integer = b;
 
                                                                }else if(counter_write == 12 )
                                                                {
 
                                                                        c = c | TEXT_FIPS_DATATYPE_T02_DERIVATED[8];
                                                                        c = c << 8;
                                                                        c = c | TEXT_FIPS_DATATYPE_T02_DERIVATED[9];
                                                                        c = c << 8;
                                                                        c = c | TEXT_FIPS_DATATYPE_T02_DERIVATED[10];
                                                                        c = c << 8;
                                                                        c = c | TEXT_FIPS_DATATYPE_T02_DERIVATED[11];
                                                                        v_ecb.value.integer = c;
 
                                                                }else if(counter_write == 13 )
                                                                {
                                                                        d = d | TEXT_FIPS_DATATYPE_T02_DERIVATED[12];
                                                                        d = d << 8;
                                                                        d = d | TEXT_FIPS_DATATYPE_T02_DERIVATED[13];
                                                                        d = d << 8;
                                                                        d = d | TEXT_FIPS_DATATYPE_T02_DERIVATED[14];
                                                                        d = d << 8;
                                                                        d = d | TEXT_FIPS_DATATYPE_T02_DERIVATED[15];
                                                                        v_ecb.value.integer = d;
 
                                                                }
 
 
 
                                                        }else if(DATATYPE == TYPE_03)
                                                        {
                                                                if(counter_write == 10)
                                                                {
                                                                        a = a | TEXT_FIPS_DATATYPE_T03_DERIVATED[0];
                                                                        a = a << 8;
                                                                        a = a | TEXT_FIPS_DATATYPE_T03_DERIVATED[1];
                                                                        a = a << 8;
                                                                        a = a | TEXT_FIPS_DATATYPE_T03_DERIVATED[2];
                                                                        a = a << 8;
                                                                        a = a | TEXT_FIPS_DATATYPE_T03_DERIVATED[3];
                                                                        v_ecb.value.integer = a;
 
                                                                }else if(counter_write == 11)
                                                                {
                                                                        b = b | TEXT_FIPS_DATATYPE_T03_DERIVATED[4];
                                                                        b = b << 8;
                                                                        b = b | TEXT_FIPS_DATATYPE_T03_DERIVATED[5];
                                                                        b = b << 8;
                                                                        b = b | TEXT_FIPS_DATATYPE_T03_DERIVATED[6];
                                                                        b = b << 8;
                                                                        b = b | TEXT_FIPS_DATATYPE_T03_DERIVATED[7];
                                                                        v_ecb.value.integer = b;
 
                                                                }else if(counter_write == 12 )
                                                                {
 
                                                                        c = c | TEXT_FIPS_DATATYPE_T03_DERIVATED[8];
                                                                        c = c << 8;
                                                                        c = c | TEXT_FIPS_DATATYPE_T03_DERIVATED[9];
                                                                        c = c << 8;
                                                                        c = c | TEXT_FIPS_DATATYPE_T03_DERIVATED[10];
                                                                        c = c << 8;
                                                                        c = c | TEXT_FIPS_DATATYPE_T03_DERIVATED[11];
                                                                        v_ecb.value.integer = c;
 
                                                                }else if(counter_write == 13 )
                                                                {
                                                                        d = d | TEXT_FIPS_DATATYPE_T03_DERIVATED[12];
                                                                        d = d << 8;
                                                                        d = d | TEXT_FIPS_DATATYPE_T03_DERIVATED[13];
                                                                        d = d << 8;
                                                                        d = d | TEXT_FIPS_DATATYPE_T03_DERIVATED[14];
                                                                        d = d << 8;
                                                                        d = d | TEXT_FIPS_DATATYPE_T03_DERIVATED[15];
                                                                        v_ecb.value.integer = d;
 
                                                                }
 
 
 
                                                        }
 
                                                }else if(FIPS_ENABLE == RANDOM_DATA)
                                                {
                                                        v_ecb.value.integer = data_in(rd);
                                                }
 
                                                //vpi_put_value(PWDATA, &v_ecb, NULL, vpiNoDelay);
                                                vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);
 
                                                a = 0;
                                                b = 0;
                                                c = 0;
                                                d = 0;
 
 
                                        }
 
                                        v_ecb.value.integer = 1;
                                        vpi_put_value(PSEL, &v_ecb, NULL, vpiNoDelay);
 
                                        counter=0;
                                }
 
                                if(counter_write == 14)
                                {
                                        counter_write = 0;
 
                                        STATE =WAIT_SR;
 
                                }
 
                  break;
 
                  case WAIT_SR:
 
                                v_ecb.value.integer = ADDR_AES_SR;
                                vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
                                v_ecb.value.integer = 0;
                                vpi_put_value(PWRITE, &v_ecb, NULL, vpiNoDelay);
 
                                if(counter == 0)
                                {
 
                                        counter++;
 
                                        v_ecb.value.integer = 1;
                                        vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
 
 
                                        v_ecb.value.integer = 0;
                                        vpi_get_value(PRDATA,&v_ecb);
 
                                        if(v_ecb.value.integer == 1)
                                        {
                                                STATE = READ_DOUTR;
                                                counter=1;
                                        }
 
 
                                }else if(counter == 1)
                                {
                                        v_ecb.value.integer = 0;
                                        vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
 
                                        counter=0;
                                }
 
 
                  break;
 
 
                 case READ_DOUTR:
 
 
 
                                if(counter == 0)
                                {
 
                                        v_ecb.value.integer = 1;
                                        vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
 
                                        counter_read++;
                                        counter++;
 
 
 
                                }else if(counter == 1)
                                {
                                        v_ecb.value.integer = 0;
                                        vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
 
 
                                        if(counter_read < 4)
                                        {
 
                                                v_ecb.value.integer = ADDR_AES_DOUTR;
                                                vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
                                        }
 
 
                                        if(counter_read == 4)
                                        {
 
                                                v_ecb.value.integer = ADDR_AES_KEYR3;
                                                vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
                                        }
 
 
                                        if(counter_read == 5)
                                        {
 
                                                v_ecb.value.integer = ADDR_AES_KEYR2;
                                                vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
                                        }
 
 
 
                                        if(counter_read == 6)
                                        {
 
                                                v_ecb.value.integer = ADDR_AES_KEYR1;
                                                vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
                                        }
 
 
                                        if(counter_read == 7)
                                        {
 
                                                v_ecb.value.integer = ADDR_AES_KEYR0;
                                                vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
                                        }
 
 
                                        if(counter_read == 8)
                                        {
 
                                                v_ecb.value.integer = ADDR_AES_IVR3;
                                                vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
                                        }
 
 
                                        if(counter_read == 9)
                                        {
 
                                                v_ecb.value.integer = ADDR_AES_IVR2;
                                                vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
                                        }
 
 
 
                                        if(counter_read == 10)
                                        {
 
                                                v_ecb.value.integer = ADDR_AES_IVR1;
                                                vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
                                        }
 
 
                                        if(counter_read == 11)
                                        {
 
                                                v_ecb.value.integer = ADDR_AES_IVR0;
                                                vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
                                        }
 
 
                                        counter = 0;
                                }
 
                                if(counter_read == 12)
                                {
                                        STATE = RESET_SR;
                                        counter_read = 0;
                                }
 
                 break;
 
                case RESET_SR:
 
                                v_ecb.value.integer = 1;
                                vpi_put_value(PWRITE, &v_ecb, NULL, vpiNoDelay);
 
                                v_ecb.value.integer = 1;
                                vpi_put_value(PSEL, &v_ecb, NULL, vpiNoDelay);
 
                                v_ecb.value.integer = 0;
                                vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
 
                                v_ecb.value.integer = 128;
                                vpi_put_value(PWDATA, &v_ecb, NULL, vpiNoDelay);
 
 
                                if(counter == 0)
                                {
 
                                        counter_write++;
                                        counter++;
 
                                        v_ecb.value.integer = 1;
                                        vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
 
                                }else if(counter == 1)
                                {
 
                                        v_ecb.value.integer = 0;
                                        vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
                                        counter=0;
 
                                }
 
                                if(counter_write == 1)
                                {
                                        STATE =IDLE;
                                        counter_write = 0;
                                        counter=0;
                                        PACKETS_GENERATED = PACKETS_GENERATED + 1;
                                }
 
 
 
                break;
 
                }
 
        }
 
        return 0;
}

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[/] [apbtoaes128/] [trunk/] [pli/] [bfm_ecb/] [aes_bfm_decryption_dma_ecb.h] - Blame information for rev 12

Line No.	Rev	Author	Line
1	4	redbear	`//////////////////////////////////////////////////////////////////`
2			`////`
3			`////`
4			`//// AES CORE BLOCK`
5			`////`
6			`////`
7			`////`
8			`//// This file is part of the APB to AES128 project`
9			`////`
10			`//// http://www.opencores.org/cores/apbtoaes128/`
11			`////`
12			`////`
13			`////`
14			`//// Description`
15			`////`
16			`//// Implementation of APB IP core according to`
17			`////`
18			`//// aes128_spec IP core specification document.`
19			`////`
20			`////`
21			`////`
22			`//// To Do: Things are right here but always all block can suffer changes`
23			`////`
24			`////`
25			`////`
26			`////`
27			`////`
28			`//// Author(s): - Felipe Fernandes Da Costa, fefe2560@gmail.com`
29			`////`
30			`/////////////////////////////////////////////////////////////////`
31			`////`
32			`////`
33			`//// Copyright (C) 2009 Authors and OPENCORES.ORG`
34			`////`
35			`////`
36			`////`
37			`//// This source file may be used and distributed without`
38			`////`
39			`//// restriction provided that this copyright statement is not`
40			`////`
41			`//// removed from the file and that any derivative work contains`
42			`//// the original copyright notice and the associated disclaimer.`
43			`////`
44			`////`
45			`//// This source file is free software; you can redistribute it`
46			`////`
47			`//// and/or modify it under the terms of the GNU Lesser General`
48			`////`
49			`//// Public License as published by the Free Software Foundation;`
50			`//// either version 2.1 of the License, or (at your option) any`
51			`////`
52			`//// later version.`
53			`////`
54			`////`
55			`////`
56			`//// This source is distributed in the hope that it will be`
57			`////`
58			`//// useful, but WITHOUT ANY WARRANTY; without even the implied`
59			`////`
60			`//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR`
61			`////`
62			`//// PURPOSE. See the GNU Lesser General Public License for more`
63			`//// details.`
64			`////`
65			`////`
66			`////`
67			`//// You should have received a copy of the GNU Lesser General`
68			`////`
69			`//// Public License along with this source; if not, download it`
70			`////`
71			`//// from http://www.opencores.org/lgpl.shtml`
72			`////`
73			`////`
74			`///////////////////////////////////////////////////////////////////`
75			`static int aes_bfm_decryption_ecb_dma_calltf(char*user_data)`
76			`{`
77
78			`vpiHandle PRESETn = vpi_handle_by_name("AES_GLADIC_tb.PRESETn", NULL);`
79			`vpiHandle PWDATA = vpi_handle_by_name("AES_GLADIC_tb.PWDATA", NULL);`
80			`vpiHandle PENABLE = vpi_handle_by_name("AES_GLADIC_tb.PENABLE", NULL);`
81			`vpiHandle PSEL = vpi_handle_by_name("AES_GLADIC_tb.PSEL", NULL);`
82			`vpiHandle PWRITE = vpi_handle_by_name("AES_GLADIC_tb.PWRITE", NULL);`
83			`vpiHandle PADDR = vpi_handle_by_name("AES_GLADIC_tb.PADDR", NULL);`
84			`vpiHandle PRDATA = vpi_handle_by_name("AES_GLADIC_tb.PRDATA", NULL);`
85			`vpiHandle PREADY = vpi_handle_by_name("AES_GLADIC_tb.PREADY", NULL);`
86			`vpiHandle PSLVERR = vpi_handle_by_name("AES_GLADIC_tb.PSLVERR", NULL);`
87			`vpiHandle int_ccf = vpi_handle_by_name("AES_GLADIC_tb.int_ccf", NULL);`
88			`vpiHandle int_err = vpi_handle_by_name("AES_GLADIC_tb.int_err", NULL);`
89			`vpiHandle dma_req_wr = vpi_handle_by_name("AES_GLADIC_tb.dma_req_wr", NULL);`
90			`vpiHandle dma_req_rd = vpi_handle_by_name("AES_GLADIC_tb.dma_req_rd", NULL);`
91
92			`std::random_device rd;`
93			`std::uniform_int_distribution<long int> data_in(0,4294967295);`
94
95			`v_ecb.format=vpiIntVal;`
96
97			`vpi_get_value(PRESETn, &v_ecb);`
98
99
100			`//printf("%i\n",STATE);`
101
102
103			`if(type_bfm == ECB_DECRYPTION_DMA && v_ecb.value.integer == 1)`
104			`{`
105
106			`switch(STATE)`
107			`{`
108
109			`case IDLE:`
110
111			`if(PACKETS_GENERATED >= MAX_ITERATIONS)`
112			`{`
113
114			`STATE = IDLE;`
115			`type_bfm = 0;`
116
117			`}else`
118			`{`
119			`STATE = WRITE;`
120
121			`counter = 0;`
122
123
124			`v_ecb.value.integer = 0;`
125			`vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);`
126
127			`v_ecb.value.integer = vector_address[0];`
128			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
129
130			`v_ecb.value.integer = 0;`
131			`vpi_put_value(PWDATA, &v_ecb, NULL, vpiNoDelay);`
132
133			`v_ecb.value.integer = 1;`
134			`vpi_put_value(PWRITE, &v_ecb, NULL, vpiNoDelay);`
135
136			`v_ecb.value.integer = 1;`
137			`vpi_put_value(PSEL, &v_ecb, NULL, vpiNoDelay);`
138			`}`
139
140			`break;`
141
142			`case WRITE:`
143	9	redbear
144
145	4	redbear	`if(counter == 0)`
146			`{`
147
148
149
150	9	redbear	`if(counter_write == 10 \|\| counter_write == 11 \|\| counter_write == 12 \|\| counter_write == 13 )`
151			`{`
152	4	redbear
153	9	redbear	`v_ecb.value.integer = 0;`
154			`vpi_get_value(dma_req_wr,&v_ecb);`
155	4	redbear
156	9	redbear
157			`if(v_ecb.value.integer == 1)`
158			`{`
159			`v_ecb.value.integer = 1;`
160			`vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);`
161			`counter_write++;`
162			`counter++;`
163			`}`
164
165			`}`
166
167			`if(counter_write < 10)`
168			`{`
169			`counter_write++;`
170			`counter++;`
171
172			`v_ecb.value.integer = 1;`
173			`vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);`
174
175			`}`
176
177	4	redbear	`}else if(counter == 1)`
178			`{`
179
180			`v_ecb.value.integer = 0;`
181			`vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);`
182
183
184
185			`if(counter_write < 9)`
186			`{`
187
188			`v_ecb.value.integer = vector_address[counter_write];`
189			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
190
191			`t_ecb.type = vpiScaledRealTime;`
192			`t_ecb.real = 0;`
193			`v_ecb.format=vpiIntVal;`
194			`if(FIPS_ENABLE == FIPS)`
195			`{`
196
197			`if(vector_address[counter_write] == ADDR_AES_KEYR3 \|\| vector_address[counter_write] == ADDR_AES_IVR3)`
198			`{`
199			`a = a \| KEY_FIPS_DERIVATED[0];`
200			`a = a << 8;`
201			`a = a \| KEY_FIPS_DERIVATED[1];`
202			`a = a << 8;`
203			`a = a \| KEY_FIPS_DERIVATED[2];`
204			`a = a << 8;`
205			`a = a \| KEY_FIPS_DERIVATED[3];`
206			`v_ecb.value.integer = a;`
207			`}`
208
209
210			`if(vector_address[counter_write] == ADDR_AES_KEYR2 \|\| vector_address[counter_write] == ADDR_AES_IVR2)`
211			`{`
212			`b = b \| KEY_FIPS_DERIVATED[4];`
213			`b = b << 8;`
214			`b = b \| KEY_FIPS_DERIVATED[5];`
215			`b = b << 8;`
216			`b = b \| KEY_FIPS_DERIVATED[6];`
217			`b = b << 8;`
218			`b = b \| KEY_FIPS_DERIVATED[7];`
219			`v_ecb.value.integer = b;`
220			`}`
221
222			`if(vector_address[counter_write] == ADDR_AES_KEYR1 \|\| vector_address[counter_write] == ADDR_AES_IVR1)`
223			`{`
224
225			`c = c \| KEY_FIPS_DERIVATED[8];`
226			`c = c << 8;`
227			`c = c \| KEY_FIPS_DERIVATED[9];`
228			`c = c << 8;`
229			`c = c \| KEY_FIPS_DERIVATED[10];`
230			`c = c << 8;`
231			`c = c \| KEY_FIPS_DERIVATED[11];`
232			`v_ecb.value.integer = c;`
233
234			`}`
235
236			`if(vector_address[counter_write] == ADDR_AES_KEYR0 \|\| vector_address[counter_write] == ADDR_AES_IVR0)`
237			`{`
238			`d = d \| KEY_FIPS_DERIVATED[12];`
239			`d = d << 8;`
240			`d = d \| KEY_FIPS_DERIVATED[13];`
241			`d = d << 8;`
242			`d = d \| KEY_FIPS_DERIVATED[14];`
243			`d = d << 8;`
244			`d = d \| KEY_FIPS_DERIVATED[15];`
245			`v_ecb.value.integer = d;`
246			`}`
247
248
249
250			`}else if(FIPS_ENABLE == RANDOM_DATA)`
251			`{`
252			`v_ecb.value.integer = data_in(rd);`
253			`}`
254
255			`//vpi_put_value(PWDATA, &v_ecb, NULL, vpiNoDelay);`
256			`vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);`
257
258
259			`a = 0;`
260			`b = 0;`
261			`c = 0;`
262			`d = 0;`
263			`}`
264
265
266			`if(counter_write == 9)`
267			`{`
268
269	12	redbear	`if(DATATYPE == TYPE_00)// NO DINR DOUTR SWAP DATA`
270			`{`
271			`v_ecb.value.integer = ADDR_AES_CR;`
272			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
273	4	redbear
274	12	redbear	`v_ecb.value.integer = 6161;`
275			`vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);`
276
277			`}else if(DATATYPE == TYPE_01)// 16 BIT DINR DOUTR SWAP DATA`
278			`{`
279			`v_ecb.value.integer = ADDR_AES_CR;`
280			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
281
282			`v_ecb.value.integer = 6163;`
283			`vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);`
284
285			`}else if(DATATYPE == TYPE_02)// 8 BIT DINR DOUTR SWAP DATA`
286			`{`
287			`v_ecb.value.integer = ADDR_AES_CR;`
288			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
289
290			`v_ecb.value.integer = 6165;`
291			`vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);`
292
293			`}else if(DATATYPE == TYPE_03)// BIT DINR DOUTR SWAP DATA`
294			`{`
295			`v_ecb.value.integer = ADDR_AES_CR;`
296			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
297
298			`v_ecb.value.integer = 6167;`
299			`vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);`
300			`}`
301	4	redbear
302			`}`
303
304
305			`if(counter_write > 9 && counter_write < 14) //WRITE DINR`
306			`{`
307
308			`v_ecb.value.integer = ADDR_AES_DINR;`
309			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
310
311
312			`if(FIPS_ENABLE == FIPS)`
313			`{`
314
315	12	redbear	`if(DATATYPE == TYPE_00)`
316	4	redbear	`{`
317
318	12	redbear	`if(counter_write == 10)`
319			`{`
320			`a = a \| TEXT_FIPS_DERIVATED[0];`
321			`a = a << 8;`
322			`a = a \| TEXT_FIPS_DERIVATED[1];`
323			`a = a << 8;`
324			`a = a \| TEXT_FIPS_DERIVATED[2];`
325			`a = a << 8;`
326			`a = a \| TEXT_FIPS_DERIVATED[3];`
327			`v_ecb.value.integer = a;`
328
329			`}else if(counter_write == 11)`
330			`{`
331			`b = b \| TEXT_FIPS_DERIVATED[4];`
332			`b = b << 8;`
333			`b = b \| TEXT_FIPS_DERIVATED[5];`
334			`b = b << 8;`
335			`b = b \| TEXT_FIPS_DERIVATED[6];`
336			`b = b << 8;`
337			`b = b \| TEXT_FIPS_DERIVATED[7];`
338			`v_ecb.value.integer = b;`
339
340			`}else if(counter_write == 12 )`
341			`{`
342
343			`c = c \| TEXT_FIPS_DERIVATED[8];`
344			`c = c << 8;`
345			`c = c \| TEXT_FIPS_DERIVATED[9];`
346			`c = c << 8;`
347			`c = c \| TEXT_FIPS_DERIVATED[10];`
348			`c = c << 8;`
349			`c = c \| TEXT_FIPS_DERIVATED[11];`
350			`v_ecb.value.integer = c;`
351
352			`}else if(counter_write == 13 )`
353			`{`
354			`d = d \| TEXT_FIPS_DERIVATED[12];`
355			`d = d << 8;`
356			`d = d \| TEXT_FIPS_DERIVATED[13];`
357			`d = d << 8;`
358			`d = d \| TEXT_FIPS_DERIVATED[14];`
359			`d = d << 8;`
360			`d = d \| TEXT_FIPS_DERIVATED[15];`
361			`v_ecb.value.integer = d;`
362
363			`}`
364
365			`}else if(DATATYPE == TYPE_01)`
366	4	redbear	`{`
367
368	12	redbear
369			`if(counter_write == 10)`
370			`{`
371			`a = a \| TEXT_FIPS_DATATYPE_T01_DERIVATED[0];`
372			`a = a << 8;`
373			`a = a \| TEXT_FIPS_DATATYPE_T01_DERIVATED[1];`
374			`a = a << 8;`
375			`a = a \| TEXT_FIPS_DATATYPE_T01_DERIVATED[2];`
376			`a = a << 8;`
377			`a = a \| TEXT_FIPS_DATATYPE_T01_DERIVATED[3];`
378			`v_ecb.value.integer = a;`
379
380			`}else if(counter_write == 11)`
381			`{`
382			`b = b \| TEXT_FIPS_DATATYPE_T01_DERIVATED[4];`
383			`b = b << 8;`
384			`b = b \| TEXT_FIPS_DATATYPE_T01_DERIVATED[5];`
385			`b = b << 8;`
386			`b = b \| TEXT_FIPS_DATATYPE_T01_DERIVATED[6];`
387			`b = b << 8;`
388			`b = b \| TEXT_FIPS_DATATYPE_T01_DERIVATED[7];`
389			`v_ecb.value.integer = b;`
390
391			`}else if(counter_write == 12 )`
392			`{`
393
394			`c = c \| TEXT_FIPS_DATATYPE_T01_DERIVATED[8];`
395			`c = c << 8;`
396			`c = c \| TEXT_FIPS_DATATYPE_T01_DERIVATED[9];`
397			`c = c << 8;`
398			`c = c \| TEXT_FIPS_DATATYPE_T01_DERIVATED[10];`
399			`c = c << 8;`
400			`c = c \| TEXT_FIPS_DATATYPE_T01_DERIVATED[11];`
401			`v_ecb.value.integer = c;`
402
403			`}else if(counter_write == 13 )`
404			`{`
405			`d = d \| TEXT_FIPS_DATATYPE_T01_DERIVATED[12];`
406			`d = d << 8;`
407			`d = d \| TEXT_FIPS_DATATYPE_T01_DERIVATED[13];`
408			`d = d << 8;`
409			`d = d \| TEXT_FIPS_DATATYPE_T01_DERIVATED[14];`
410			`d = d << 8;`
411			`d = d \| TEXT_FIPS_DATATYPE_T01_DERIVATED[15];`
412			`v_ecb.value.integer = d;`
413
414			`}`
415
416			`}else if(DATATYPE == TYPE_02)`
417	4	redbear	`{`
418	12	redbear	`if(counter_write == 10)`
419			`{`
420			`a = a \| TEXT_FIPS_DATATYPE_T02_DERIVATED[0];`
421			`a = a << 8;`
422			`a = a \| TEXT_FIPS_DATATYPE_T02_DERIVATED[1];`
423			`a = a << 8;`
424			`a = a \| TEXT_FIPS_DATATYPE_T02_DERIVATED[2];`
425			`a = a << 8;`
426			`a = a \| TEXT_FIPS_DATATYPE_T02_DERIVATED[3];`
427			`v_ecb.value.integer = a;`
428	4	redbear
429	12	redbear	`}else if(counter_write == 11)`
430			`{`
431			`b = b \| TEXT_FIPS_DATATYPE_T02_DERIVATED[4];`
432			`b = b << 8;`
433			`b = b \| TEXT_FIPS_DATATYPE_T02_DERIVATED[5];`
434			`b = b << 8;`
435			`b = b \| TEXT_FIPS_DATATYPE_T02_DERIVATED[6];`
436			`b = b << 8;`
437			`b = b \| TEXT_FIPS_DATATYPE_T02_DERIVATED[7];`
438			`v_ecb.value.integer = b;`
439	4	redbear
440	12	redbear	`}else if(counter_write == 12 )`
441			`{`
442
443			`c = c \| TEXT_FIPS_DATATYPE_T02_DERIVATED[8];`
444			`c = c << 8;`
445			`c = c \| TEXT_FIPS_DATATYPE_T02_DERIVATED[9];`
446			`c = c << 8;`
447			`c = c \| TEXT_FIPS_DATATYPE_T02_DERIVATED[10];`
448			`c = c << 8;`
449			`c = c \| TEXT_FIPS_DATATYPE_T02_DERIVATED[11];`
450			`v_ecb.value.integer = c;`
451
452			`}else if(counter_write == 13 )`
453			`{`
454			`d = d \| TEXT_FIPS_DATATYPE_T02_DERIVATED[12];`
455			`d = d << 8;`
456			`d = d \| TEXT_FIPS_DATATYPE_T02_DERIVATED[13];`
457			`d = d << 8;`
458			`d = d \| TEXT_FIPS_DATATYPE_T02_DERIVATED[14];`
459			`d = d << 8;`
460			`d = d \| TEXT_FIPS_DATATYPE_T02_DERIVATED[15];`
461			`v_ecb.value.integer = d;`
462
463			`}`
464
465
466
467			`}else if(DATATYPE == TYPE_03)`
468	4	redbear	`{`
469	12	redbear	`if(counter_write == 10)`
470			`{`
471			`a = a \| TEXT_FIPS_DATATYPE_T03_DERIVATED[0];`
472			`a = a << 8;`
473			`a = a \| TEXT_FIPS_DATATYPE_T03_DERIVATED[1];`
474			`a = a << 8;`
475			`a = a \| TEXT_FIPS_DATATYPE_T03_DERIVATED[2];`
476			`a = a << 8;`
477			`a = a \| TEXT_FIPS_DATATYPE_T03_DERIVATED[3];`
478			`v_ecb.value.integer = a;`
479	4	redbear
480	12	redbear	`}else if(counter_write == 11)`
481			`{`
482			`b = b \| TEXT_FIPS_DATATYPE_T03_DERIVATED[4];`
483			`b = b << 8;`
484			`b = b \| TEXT_FIPS_DATATYPE_T03_DERIVATED[5];`
485			`b = b << 8;`
486			`b = b \| TEXT_FIPS_DATATYPE_T03_DERIVATED[6];`
487			`b = b << 8;`
488			`b = b \| TEXT_FIPS_DATATYPE_T03_DERIVATED[7];`
489			`v_ecb.value.integer = b;`
490
491			`}else if(counter_write == 12 )`
492			`{`
493
494			`c = c \| TEXT_FIPS_DATATYPE_T03_DERIVATED[8];`
495			`c = c << 8;`
496			`c = c \| TEXT_FIPS_DATATYPE_T03_DERIVATED[9];`
497			`c = c << 8;`
498			`c = c \| TEXT_FIPS_DATATYPE_T03_DERIVATED[10];`
499			`c = c << 8;`
500			`c = c \| TEXT_FIPS_DATATYPE_T03_DERIVATED[11];`
501			`v_ecb.value.integer = c;`
502
503			`}else if(counter_write == 13 )`
504			`{`
505			`d = d \| TEXT_FIPS_DATATYPE_T03_DERIVATED[12];`
506			`d = d << 8;`
507			`d = d \| TEXT_FIPS_DATATYPE_T03_DERIVATED[13];`
508			`d = d << 8;`
509			`d = d \| TEXT_FIPS_DATATYPE_T03_DERIVATED[14];`
510			`d = d << 8;`
511			`d = d \| TEXT_FIPS_DATATYPE_T03_DERIVATED[15];`
512			`v_ecb.value.integer = d;`
513
514			`}`
515
516
517
518	4	redbear	`}`
519
520			`}else if(FIPS_ENABLE == RANDOM_DATA)`
521			`{`
522			`v_ecb.value.integer = data_in(rd);`
523			`}`
524
525			`//vpi_put_value(PWDATA, &v_ecb, NULL, vpiNoDelay);`
526			`vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);`
527
528			`a = 0;`
529			`b = 0;`
530			`c = 0;`
531			`d = 0;`
532
533
534			`}`
535
536			`v_ecb.value.integer = 1;`
537			`vpi_put_value(PSEL, &v_ecb, NULL, vpiNoDelay);`
538
539			`counter=0;`
540			`}`
541
542			`if(counter_write == 14)`
543			`{`
544			`counter_write = 0;`
545
546			`STATE =WAIT_SR;`
547
548			`}`
549
550			`break;`
551
552			`case WAIT_SR:`
553
554			`v_ecb.value.integer = ADDR_AES_SR;`
555			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
556
557			`v_ecb.value.integer = 0;`
558			`vpi_put_value(PWRITE, &v_ecb, NULL, vpiNoDelay);`
559
560			`if(counter == 0)`
561			`{`
562
563			`counter++;`
564
565			`v_ecb.value.integer = 1;`
566			`vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);`
567
568
569	9	redbear	`v_ecb.value.integer = 0;`
570			`vpi_get_value(PRDATA,&v_ecb);`
571
572			`if(v_ecb.value.integer == 1)`
573			`{`
574			`STATE = READ_DOUTR;`
575			`counter=1;`
576			`}`
577
578
579	4	redbear	`}else if(counter == 1)`
580			`{`
581			`v_ecb.value.integer = 0;`
582			`vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);`
583
584			`counter=0;`
585			`}`
586
587
588			`break;`
589
590
591			`case READ_DOUTR:`
592
593
594
595			`if(counter == 0)`
596			`{`
597
598			`v_ecb.value.integer = 1;`
599			`vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);`
600
601	5	redbear	`counter_read++;`
602	4	redbear	`counter++;`
603
604
605
606			`}else if(counter == 1)`
607			`{`
608			`v_ecb.value.integer = 0;`
609			`vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);`
610
611	5	redbear
612			`if(counter_read < 4)`
613			`{`
614
615			`v_ecb.value.integer = ADDR_AES_DOUTR;`
616			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
617
618			`}`
619
620
621			`if(counter_read == 4)`
622			`{`
623
624			`v_ecb.value.integer = ADDR_AES_KEYR3;`
625			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
626
627			`}`
628
629
630			`if(counter_read == 5)`
631			`{`
632
633			`v_ecb.value.integer = ADDR_AES_KEYR2;`
634			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
635
636			`}`
637
638
639
640			`if(counter_read == 6)`
641			`{`
642
643			`v_ecb.value.integer = ADDR_AES_KEYR1;`
644			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
645
646			`}`
647
648
649			`if(counter_read == 7)`
650			`{`
651
652			`v_ecb.value.integer = ADDR_AES_KEYR0;`
653			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
654
655			`}`
656
657
658			`if(counter_read == 8)`
659			`{`
660
661			`v_ecb.value.integer = ADDR_AES_IVR3;`
662			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
663
664			`}`
665
666
667			`if(counter_read == 9)`
668			`{`
669
670			`v_ecb.value.integer = ADDR_AES_IVR2;`
671			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
672
673			`}`
674
675
676
677			`if(counter_read == 10)`
678			`{`
679
680			`v_ecb.value.integer = ADDR_AES_IVR1;`
681			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
682
683			`}`
684
685
686			`if(counter_read == 11)`
687			`{`
688
689			`v_ecb.value.integer = ADDR_AES_IVR0;`
690			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
691
692			`}`
693
694
695	4	redbear	`counter = 0;`
696			`}`
697
698	5	redbear	`if(counter_read == 12)`
699	4	redbear	`{`
700			`STATE = RESET_SR;`
701	5	redbear	`counter_read = 0;`
702	4	redbear	`}`
703
704			`break;`
705
706			`case RESET_SR:`
707
708			`v_ecb.value.integer = 1;`
709			`vpi_put_value(PWRITE, &v_ecb, NULL, vpiNoDelay);`
710
711			`v_ecb.value.integer = 1;`
712			`vpi_put_value(PSEL, &v_ecb, NULL, vpiNoDelay);`
713
714			`v_ecb.value.integer = 0;`
715			`vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);`
716
717			`v_ecb.value.integer = 128;`
718			`vpi_put_value(PWDATA, &v_ecb, NULL, vpiNoDelay);`
719
720
721			`if(counter == 0)`
722			`{`
723
724			`counter_write++;`
725			`counter++;`
726
727			`v_ecb.value.integer = 1;`
728			`vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);`
729
730			`}else if(counter == 1)`
731			`{`
732
733			`v_ecb.value.integer = 0;`
734			`vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);`
735			`counter=0;`
736
737			`}`
738
739			`if(counter_write == 1)`
740			`{`
741			`STATE =IDLE;`
742			`counter_write = 0;`
743			`counter=0;`
744			`PACKETS_GENERATED = PACKETS_GENERATED + 1;`
745			`}`
746
747
748
749			`break;`
750
751			`}`
752
753			`}`
754
755			`return 0;`
756			`}`