diff options
Diffstat (limited to 'src/mm.cc')
| -rw-r--r-- | src/mm.cc | 52 |
1 files changed, 52 insertions, 0 deletions
@@ -24,6 +24,7 @@ void MM::advance_helper() { signed int data; int i; + int vector_delay = VECTOR_MEM_DELAY; switch (this->curr_instr->mnemonic) { case LOAD: @@ -35,6 +36,32 @@ void MM::advance_helper() } else this->status = STALLED; break; + case LOADV: + if (vector_delay == 0){ + signed int word_address = this->curr_instr->operands.load_store_vector.base_addr; + int j = 0; + while(j < this->curr_instr->slot_A){ + i = this->storage->read_word(this, word_address, data); + this->status = i ? OK : STALLED; + if (this->status == OK) { + this->curr_instr->operands.load_store_vector.vector_register[j] = data; + // +1 or +4? + word_address += 1; + j++; + } else { + break; + } + } + if(this->status == OK){ + // if vector is loaded, reset delay + vector_delay = VECTOR_MEM_DELAY; + } else { + this->status = STALLED; + } + } else { + vector_delay--; + } + break; case PUSH: case STORE: @@ -46,6 +73,31 @@ void MM::advance_helper() this->status = STALLED; } break; + case STOREV: + if (vector_delay == 0){ + signed int word_address = this->curr_instr->operands.load_store_vector.base_addr; + int j = 0; + while(j < this->curr_instr->slot_A){ + this->storage->write_word( + this, this->curr_instr->operands.load_store_vector.vector_register[j], word_address); + this->status = i ? OK : STALLED; + if (this->status != OK) { + break; + } else { + word_address += 1; + j++; + } + } + if(this->status == OK){ + // if vector is stored , reset delay + vector_delay = VECTOR_MEM_DELAY; + } else { + this->status = STALLED; + } + } else { + vector_delay--; + } + break; case POP: i = this->storage->read_word(this, this->curr_instr->operands.integer.slot_three, data); |