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#include "instruction.h"
#include "prog.h"
#include "platform.h"
#include "util.h"
#include <fstream>
#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <cstring>
#include <list>
#include <math.h>
#include <algorithm>
#include <iterator>
#include <iomanip>
using namespace std;
Program gen_test_prog(int bank, int r1, int r2, int iters, int read_cols, int placement)
{
Program program;
program.add_inst(SMC_LI(8, CASR)); // Load 8 into CASR since each READ reads 8 columns
program.add_inst(SMC_LI(1, RASR)); // Load 1 into RASR
program.add_inst(SMC_LI(bank, BAR));
program.add_inst(SMC_LI(r1, RARBASE));
program.add_inst(SMC_LI(iters, ITER_REG));
program.add_inst(SMC_LI(0, CTR_REG));
program.add_inst(SMC_PRE(BAR,0,1),SMC_NOP(),SMC_NOP(),SMC_NOP());
program.add_inst(SMC_SLEEP(5));
program.add_inst(SMC_LI(r1, RAR1));
program.add_inst(SMC_LI(r2, RAR2));
program.add_label("WRITE_BEGIN");
//program.add_below(genWriteRange(RARBASE, 4, BAR, true));
switch(placement)
{
// Invert 0-1 start pattern before here when we set the
// WIDEREG
case 1000:
program.add_below(genWriteRange1000(RARBASE, 4, BAR));
break;
case 1001:
program.add_below(genWriteRange1001(RARBASE, 4, BAR));
break;
case 1010:
program.add_below(genWriteRange1010(RARBASE, 4, BAR));
break;
case 1011:
program.add_below(genWriteRange1011(RARBASE, 4, BAR));
break;
case 1100:
program.add_below(genWriteRange1100(RARBASE, 4, BAR));
break;
case 1101:
program.add_below(genWriteRange1101(RARBASE, 4, BAR));
break;
case 1110:
program.add_below(genWriteRange1110(RARBASE, 4, BAR));
break;
case 1111:
program.add_below(genWriteRange1111(RARBASE, 4, BAR));
break;
default:
printf("Unexpected placement encoding\n");
exit(0);
}
program.add_below(genActPreActSequence(1, 1, RAR1, RAR2, BAR));
program.add_inst(SMC_SLEEP(4));
program.add_inst(SMC_PRE(BAR, 0, 1), SMC_NOP(), SMC_NOP(), SMC_NOP());
program.add_inst(SMC_SLEEP(4));
program.add_below(genReadRange(RARBASE, 1, BAR, read_cols));
program.add_inst(SMC_ADDI(CTR_REG, 1, CTR_REG));
program.add_branch(program.BR_TYPE::BL, CTR_REG, ITER_REG, "WRITE_BEGIN");
program.add_inst(SMC_END());
return program;
}
int main(int argc, char *argv[])
{
bool DUMP_RAW = false;
SoftMCPlatform platform;
int err;
// buffer allocated for reading data from the board
uint8_t buf[4*READ_CL*64];
// Initialize the platform, opens file descriptors for the board PCI-E interface.
if((err = platform.init()) != SOFTMC_SUCCESS){
cerr << "Could not initialize SoftMC Platform: " << err << endl;
}
// reset the board to hopefully restore the board's state
platform.reset_fpga();
platform.set_aref(true);
int bank = 1;
int row_stride = atoi(argv[3]);
string placement = argv[2];
bool invert = false;
int iters = atoi(argv[4]);
ofstream ent_file;
string fn = string(argv[1]) + "/" + to_string(bank) + "_" + to_string(iters) + "_" + to_string(READ_CL) + "_" + to_string(NO_ROWS) + "_" + placement + ".txt";
cout << "Saving to file " << fn << endl;
ent_file.open(fn);
char new_placement[10];
if (placement[0] == '0')
{
for (std::string::size_type i = 0 ; i < placement.size() ; i++)
if(placement[i] == '0')
new_placement[i] = '1';
else if(placement[i] == '1')
new_placement[i] = '0';
else
new_placement[i] = placement[i];
placement = string(new_placement);
invert = true;
}
Program program;
program.add_inst(SMC_LI(invert ? 0x0 : 0xffffffff, PATTERN_REG));
program.add_inst(SMC_LI(invert ? 0xffffffff : 0x0, INV_PATTERN_REG));
for(int i = 0 ; i < 16 ; i++)
program.add_inst(SMC_LDWD(PATTERN_REG,i));
program.add_inst(SMC_END());
platform.execute(program);
unsigned char *byte_buf[READ_CL*64];
for(int i = 0 ; i < READ_CL*64 ; i++)
byte_buf[i] = new unsigned char[iters];
// Frequency of 1s and 0s generated by each bitline
int alphabet[READ_CL*64*8][2];
ent_file << NO_ROWS/row_stride << " " << READ_CL << endl;
for(int r1 = 0 ; r1 < NO_ROWS ; r1+=row_stride)
{
ent_file << r1 << " ";
Program prog = gen_test_prog(bank, r1, r1+3, iters, READ_CL, std::stoi(placement));
platform.execute(prog);
for(int i = 0 ; i < iters ; i++)
{
platform.receiveData((char*)buf, READ_CL*64); // read one segment each iteration
for(int j = 0 ; j < READ_CL*64 ; j++)
byte_buf[j][i] = buf[j];
}
for(int i = 0 ; i < READ_CL*64*8 ; i++)
for(int j = 0 ; j < 2 ; j++)
alphabet[i][j] = 0;
for(int j = 0 ; j < READ_CL*64*8 ; j++)
{
for(int i = 0 ; i < iters ; i++)
alphabet[j][(byte_buf[j/8][i]>>(j%8))&0x1] += 1;
float approxent = 0;
for(int i = 0 ; i < 2 ; i++)
{
int freq = alphabet[j][i];
float p = ((float) freq) / ((float) iters);
approxent -= freq == 0 ? 0 : p * log2(p);
}
ent_file << approxent << " ";
/*
if(approxent > 0.995)
{
unsigned char bits[iters/8]{0};
for(int i = 0 ; i < iters ; i++)
bits[i/8] |= ((byte_buf[j/8][i] >> (j%8)) & 0x1) << (7-(i%8));
ofstream dump_file;
string fn = string(argv[2]) + "/" + to_string(r1) + "_" + to_string(j) + ".bin";
dump_file.open(fn, ofstream::binary);
dump_file.write((char*)(bits), iters/8);
dump_file.close();
}
*/
}
ent_file << endl;
printf("\rrow %d", r1);
fflush(stdout);
}
for(int i = 0 ; i < READ_CL*64 ; i++)
delete byte_buf[i];
ent_file.close();
}
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