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#ifndef __SAI_H
#define __SAI_H
#include "htif.h"
#include "context.h"
#include <string>
#include <vector>
#include <deque>
#include <stdint.h>
#define SAI_CMD_READ 0
#define SAI_CMD_WRITE 1
#define SAI_ADDR_CHUNKS 2
#define SAI_LEN_CHUNKS 2
class tsi_t : public htif_t
{
public:
tsi_t(int argc, char** argv);
virtual ~tsi_t();
bool data_available();
void send_word(uint32_t word);
uint32_t recv_word();
void switch_to_host();
uint32_t in_bits() { return in_data.front(); }
bool in_valid() { return !in_data.empty(); }
bool out_ready() { return true; }
void tick(bool out_valid, uint32_t out_bits, bool in_ready);
protected:
void reset() override;
void read_chunk(addr_t taddr, size_t nbytes, void* dst) override;
void write_chunk(addr_t taddr, size_t nbytes, const void* src) override;
void switch_to_target();
size_t chunk_align() override { return 4; }
size_t chunk_max_size() override { return 1024; }
int get_ipi_addrs(addr_t *addrs);
private:
context_t host;
context_t* target;
std::deque<uint32_t> in_data;
std::deque<uint32_t> out_data;
void push_addr(addr_t addr);
void push_len(addr_t len);
static void host_thread(void *tsi);
};
#endif
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