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systemc-code-database-new

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case 0b10101 :
case 0b10110 :
case 0b10111 :
out.write(a>>sh);
break;
default:
out.write(a<<sh);
break;
}
}
};
/*
* @ASCK
*/
#include <systemc.h>
SC_MODULE (Acc) {
sc_in <sc_int<8>> mem_data;
sc_in <bool> call;
sc_out <bool> read, write;
sc_out <sc_uint<13>> addr;
sc_out <sc_int<8>> data;
/*
** module global variables
*/
SC_CTOR (Acc){
SC_THREAD (process);
sensitive << call;
}
void process () {
while(true){
wait();
if(call.read()==1){
std::cout << "@@-_.|*^<!! STARTING ACCELERATOR !!>^*|._-@@" << endl;
operation();
}
}
}
void operation () {
// store value 10 to address 11
write_to_mem (11, 10);
// read from address 5 of memory : data=7 (this data has already stored by micro processor)
sc_int<8> a = read_from_mem(5);
// read from address 11 of memory : data=10
sc_int<8> b = read_from_mem(11);
// a + b
sc_int<8> c = a+b;
// store c to address 20 of memory
write_to_mem (20, c);
// end the acc task and begin the micro task
micro_notif();
}
/*
** notify micro processor that accelerator job is done and return back to the micro processor job
*/
void micro_notif (){
micro_acc_ev.notify();
now_is_call = false;
}
// read from memory
sc_int<8> read_from_mem (int ad) {
read.write(1);
write.write(0);
addr.write(ad);
wait(acc_mem_read_ev);
no_read_write();
wait(10, SC_NS);
return mem_data.read();
}
// write to memory
void write_to_mem (int ad, int dt) {
read.write(0);
write.write(1);
addr.write(ad);
data.write(dt);
wait(acc_mem_write_ev);