tofino/instruction_memory.h

 
#ifndef BF_P4C_MAU_TOFINO_INSTRUCTION_MEMORY_H_
#define BF_P4C_MAU_TOFINO_INSTRUCTION_MEMORY_H_
 
#include "backends/tofino/bf-p4c/mau/instruction_memory.h"
 
namespace Tofino {
 
struct InstructionMemory : public ::InstructionMemory {
    static constexpr int IMEM_ROWS = 32;
    static constexpr int IMEM_COLORS = 2;
 
    BFN::Alloc2D<cstring, IMEM_ROWS, IMEM_COLORS> ingress_imem_use;
    BFN::Alloc2D<cstring, IMEM_ROWS, IMEM_COLORS> egress_imem_use;
 
    BFN::Alloc2D<bitvec, IMEM_ROWS, IMEM_COLORS> ingress_imem_slot_inuse;
    BFN::Alloc2D<bitvec, IMEM_ROWS, IMEM_COLORS> egress_imem_slot_inuse;
 
    BFN::Alloc2Dbase<cstring> &imem_use(gress_t gress) {
        if (gress == INGRESS || gress == GHOST) return ingress_imem_use;
        return egress_imem_use;
    }
 
    BFN::Alloc2Dbase<bitvec> &imem_slot_inuse(gress_t gress) {
        if (gress == INGRESS || gress == GHOST) return ingress_imem_slot_inuse;
        return egress_imem_slot_inuse;
    }
 
    InstructionMemory() : ::InstructionMemory(Device::imemSpec()) {}
};
 
}  // end namespace Tofino
 
#endif /* BF_P4C_MAU_TOFINO_INSTRUCTION_MEMORY_H_ */