imm2word.cpp

改进的基于6个mips核的NOC网络

/*
 *  TU Eindhoven
 *  Eindhoven, The Netherlands
 *
 *  Name            :   imm2word.cpp
 *
 *  Author          :   Sander Stuijk ([e-mail])
 *
 *  Date            :   July 23, 2002
 *
 *  Function        :   Immediate to word conversion (with or withour sign
 *                      extension). Immediate is halfword size
 *
 *  History         :
 *      16-12-03    :   Initial version.
 *
 */

#include "imm2word.h"

void IMM2WORD::imm2word_thread()
{
	sc_bv<W_IMMEDIATE> a;
	sc_bv<DWORD>       b;

	sc_bv<DWORD-W_IMMEDIATE> zero(0);
	
	//-> while (true) {
		#ifdef VERBOSE
			clog << "IMM2WORD" << endl;
		#endif
		
		// Read the input
        a = in.read();
		b = (zero, a);
		
        // Check for sign extension
        if (signextend.read().to_uint() == 1)
        {
		    for (unsigned int i = SIGNEXTENDBIT; i < DWORD; i++)
			    b[i] = a[SIGNEXTENDBIT - 1];
		}
        
        // Write the output
		out.write(b);
		
	//->	wait();
//->	}
}