diff options
Diffstat (limited to 'deps/v8/src/mips/simulator-mips.h')
| -rw-r--r-- | deps/v8/src/mips/simulator-mips.h | 46 |
1 files changed, 45 insertions, 1 deletions
diff --git a/deps/v8/src/mips/simulator-mips.h b/deps/v8/src/mips/simulator-mips.h index 85f64779f1..a135f8d71d 100644 --- a/deps/v8/src/mips/simulator-mips.h +++ b/deps/v8/src/mips/simulator-mips.h @@ -175,8 +175,11 @@ class Simulator { double get_fpu_register_double(int fpureg) const; void set_fcsr_bit(uint32_t cc, bool value); bool test_fcsr_bit(uint32_t cc); + void set_fcsr_rounding_mode(FPURoundingMode mode); + unsigned int get_fcsr_rounding_mode(); bool set_fcsr_round_error(double original, double rounded); - + void round_according_to_fcsr(double toRound, double& rounded, + int32_t& rounded_int, double fs); // Special case of set_register and get_register to access the raw PC value. void set_pc(int32_t value); int32_t get_pc() const; @@ -265,6 +268,47 @@ class Simulator { // Executing is handled based on the instruction type. void DecodeTypeRegister(Instruction* instr); + // Called from DecodeTypeRegisterCOP1 + void DecodeTypeRegisterDRsType(Instruction* instr, const int32_t& fr_reg, + const int32_t& fs_reg, const int32_t& ft_reg, + const int32_t& fd_reg); + void DecodeTypeRegisterWRsType(Instruction* instr, int32_t& alu_out, + const int32_t& fd_reg, const int32_t& fs_reg); + void DecodeTypeRegisterSRsType(Instruction* instr, const int32_t& ft_reg, + const int32_t& fs_reg, const int32_t& fd_reg); + void DecodeTypeRegisterLRsType(Instruction* instr, const int32_t& ft_reg, + const int32_t& fs_reg, const int32_t& fd_reg); + + // Functions called from DeocodeTypeRegister + void DecodeTypeRegisterCOP1( + Instruction* instr, const int32_t& rs_reg, const int32_t& rs, + const uint32_t& rs_u, const int32_t& rt_reg, const int32_t& rt, + const uint32_t& rt_u, const int32_t& rd_reg, const int32_t& fr_reg, + const int32_t& fs_reg, const int32_t& ft_reg, const int32_t& fd_reg, + int64_t& i64hilo, uint64_t& u64hilo, int32_t& alu_out, bool& do_interrupt, + int32_t& current_pc, int32_t& next_pc, int32_t& return_addr_reg); + + + void DecodeTypeRegisterCOP1X(Instruction* instr, const int32_t& fr_reg, + const int32_t& fs_reg, const int32_t& ft_reg, + const int32_t& fd_reg); + + + void DecodeTypeRegisterSPECIAL( + Instruction* instr, const int32_t& rs_reg, const int32_t& rs, + const uint32_t& rs_u, const int32_t& rt_reg, const int32_t& rt, + const uint32_t& rt_u, const int32_t& rd_reg, const int32_t& fr_reg, + const int32_t& fs_reg, const int32_t& ft_reg, const int32_t& fd_reg, + int64_t& i64hilo, uint64_t& u64hilo, int32_t& alu_out, bool& do_interrupt, + int32_t& current_pc, int32_t& next_pc, int32_t& return_addr_reg); + + + void DecodeTypeRegisterSPECIAL2(Instruction* instr, const int32_t& rd_reg, + int32_t& alu_out); + + void DecodeTypeRegisterSPECIAL3(Instruction* instr, const int32_t& rt_reg, + int32_t& alu_out); + // Helper function for DecodeTypeRegister. void ConfigureTypeRegister(Instruction* instr, int32_t* alu_out, |