diff options
Diffstat (limited to 'src/sim/id.cc')
| -rw-r--r-- | src/sim/id.cc | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/src/sim/id.cc b/src/sim/id.cc index 36addbb..edf74e2 100644 --- a/src/sim/id.cc +++ b/src/sim/id.cc @@ -8,25 +8,6 @@ ID::ID(Stage *stage) : Stage(stage) { this->id = DCDE; } -void ID::get_instr_fields( - signed int &s1, signed int &s2, signed int &s3, Mnemonic &m) -{ - unsigned int type; - this->split_instr(s1, type, m); - - switch (type) { - case 0b00: - this->decode_R_type(s1, s2, s3); - break; - case 0b01: - this->decode_I_type(s1, s2, s3); - break; - case 0b10: - this->decode_J_type(s1, s2); - break; - } -} - void ID::split_instr(signed int &raw, unsigned int &type, Mnemonic &m) { unsigned int opcode, opcode_size; @@ -80,6 +61,27 @@ void ID::advance_helper() } } +void ID::get_instr_fields( + signed int &s1, signed int &s2, signed int &s3, Mnemonic &m) +{ + unsigned int type; + this->split_instr(s1, type, m); + + switch (type) { + case 0b00: + this->decode_R_type(s1, s2, s3); + break; + case 0b01: + this->decode_I_type(s1, s2, s3); + break; + case 0b10: + this->decode_J_type(s1, s2); + break; + case 0b11: + this->status = OK; + } +} + void ID::decode_R_type(signed int &s1, signed int &s2, signed int &s3) { unsigned int s0b, s1b, s2b; |