class mmu_t;
class remote_bitbang_t;
+// this is the interface to the simulator used by the processors and memory
+class simif_t
+{
+public:
+ // should return NULL for MMIO addresses
+ virtual char* addr_to_mem(reg_t addr) = 0;
+ // used for MMIO addresses
+ virtual bool mmio_load(reg_t addr, size_t len, uint8_t* bytes) = 0;
+ virtual bool mmio_store(reg_t addr, size_t len, const uint8_t* bytes) = 0;
+};
+
// this class encapsulates the processors and memory in a RISC-V machine.
-class sim_t : public htif_t
+class sim_t : public htif_t, public simif_t
{
public:
sim_t(const char* isa, size_t _nprocs, bool halted, reg_t start_pc,