diff options
Diffstat (limited to 'qtmips_machine/core.h')
| -rw-r--r-- | qtmips_machine/core.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/qtmips_machine/core.h b/qtmips_machine/core.h index 66eb1e6..00dbee6 100644 --- a/qtmips_machine/core.h +++ b/qtmips_machine/core.h @@ -50,6 +50,8 @@ signals: void decode_rt_num_value(std::uint32_t); void decode_rd_num_value(std::uint32_t); void decode_regd31_value(std::uint32_t); + void forward_m_d_rs_value(std::uint32_t); + void forward_m_d_rt_value(std::uint32_t); void execute_alu_value(std::uint32_t); void execute_reg1_value(std::uint32_t); void execute_reg2_value(std::uint32_t); @@ -94,11 +96,16 @@ protected: bool regd; // If rd is used (otherwise rt is used for write target) bool regd31; // Use R31 as destionation for JAL bool regwrite; // If output should be written back to register (which one depends on regd) + bool bjr_req_rs; // requires rs for beq, bne, blez, bgtz, jr nad jalr + bool bjr_req_rt; // requires rt for beq, bne + bool forward_m_d_rs; // forwarding required for beq, bne, blez, bgtz, jr nad jalr + bool forward_m_d_rt; // forwarding required for beq, bne enum AluOp aluop; // Decoded ALU operation enum MemoryAccess::AccessControl memctl; // Decoded memory access type std::uint32_t val_rs; // Value from register rs std::uint32_t val_rt; // Value from register rt std::uint32_t immediate_val; // zero or sign-extended immediate value + std::uint8_t rwrite; // Writeback register (multiplexed between rt and rd according to regd) ForwardFrom ff_rs; ForwardFrom ff_rt; }; |