85 lines
2.2 KiB
C++
85 lines
2.2 KiB
C++
#include <iostream>
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#include <stdlib.h>
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#include <unistd.h>
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#include <math.h>
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#include <assert.h>
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#include "util.h"
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#include "instr.h"
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#include "core.h"
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using namespace vortex;
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Warp::Warp(Core *core, Word id)
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: id_(id)
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, active_(false)
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, core_(core)
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, PC_(0x80000000)
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, steps_(0)
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, insts_(0)
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, loads_(0)
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, stores_(0) {
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tmask_.reset();
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iRegFile_.resize(core_->arch().num_threads(), std::vector<Word>(core_->arch().num_regs(), 0));
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fRegFile_.resize(core_->arch().num_threads(), std::vector<Word>(core_->arch().num_regs(), 0));
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vRegFile_.resize(core_->arch().num_regs(), std::vector<Byte>(core_->arch().vsize(), 0));
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csrs_.resize(core_->arch().num_csrs());
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}
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void Warp::step(trace_inst_t *trace_inst) {
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assert(tmask_.any());
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Size fetchPos(0);
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Size decPos;
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Size wordSize(core_->arch().wsize());
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std::vector<Byte> fetchBuffer(wordSize);
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++steps_;
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D(3, "current PC=0x" << std::hex << PC_);
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// std::cout << "PC: " << std::hex << PC << "\n";
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trace_inst->PC = PC_;
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/* Fetch and decode. */
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if (wordSize < sizeof(PC_))
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PC_ &= ((1ll << (wordSize * 8)) - 1);
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unsigned fetchSize = 4;
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fetchBuffer.resize(fetchSize);
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Word fetched = core_->mem().fetch(PC_ + fetchPos, 0);
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writeWord(fetchBuffer, fetchPos, fetchSize, fetched);
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decPos = 0;
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std::shared_ptr<Instr> instr = core_->decoder().decode(fetchBuffer, decPos, trace_inst);
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// Update PC
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PC_ += decPos;
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// Execute
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this->execute(*instr, trace_inst);
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// At Debug Level 3, print debug info after each instruction.
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D(4, "Register state:");
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for (int i = 0; i < core_->arch().num_regs(); ++i) {
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DPN(4, " %r" << std::setfill('0') << std::setw(2) << std::dec << i << ':');
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for (int j = 0; j < core_->arch().num_threads(); ++j) {
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DPN(4, ' ' << std::setfill('0') << std::setw(8) << std::hex << iRegFile_[j][i] << std::setfill(' ') << ' ');
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}
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DPN(4, std::endl);
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}
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DPH(3, "Thread mask:");
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for (int i = 0; i < core_->arch().num_threads(); ++i)
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DPN(3, " " << tmask_[i]);
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DPN(3, "\n");
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}
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void Warp::printStats() const {
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std::cout << "Steps : " << steps_ << std::endl
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<< "Insts : " << insts_ << std::endl
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<< "Loads : " << loads_ << std::endl
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<< "Stores: " << stores_ << std::endl;
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} |