#include <hls_stream.h>
#include <ap_int.h>
#include <iostream>
#include <string.h>
#include <stdint.h>

#define ROUNDS 12

using namespace hls;
using namespace std;

// ap_uint<448> data
typedef struct{
	ap_uint<512> data;
	ap_uint<1> last;
}axiWord;

typedef struct{
	ap_uint<512> datstream;
	ap_uint<1> last;
}chachaOut;

typedef struct{
	ap_uint<32> stat[4];
}keepstate;

typedef ap_uint<5> uint5;
typedef ap_uint<32> uint32;
typedef ap_uint<33> uint33;
typedef ap_uint<64> uint64;
typedef ap_uint<256> uint256;

void ps2chacha_fifo(stream<axiWord> &ps2ip,stream<axiWord> &ps2ipIntFifo);
//void chacha2ps_fifo(stream<chachaOut> &ip2psIntFifo,stream<chachaOut> &ip2ps);


keepstate QR(uint32 a,uint32 b,uint32 c,uint32 d);
uint32 MOD_Ov(uint33 a);
uint32 LITTLE_INT32(uint32 x);
void chachaCore(stream<axiWord> &ps2ipIntFifo, stream<chachaOut> &masterOut);
void my_chacha_hls(stream<axiWord>& slaveIn,stream<chachaOut>& masterOut);