gipu/cpp/vm.cpp

#include "vm.h"
#include "debug.h"
#include "vmas.h"
#include <string.h>

VM::VM() {
  DBG_INFO(("Creating VM without code.\n"));
  init_regs();
}

VM::VM(uint8_t *code, uint32_t codesize) {
  DBG_INFO(("Creating VM with code.\n"));
  init_regs();
  as.insCode(code, codesize);
}

void VM::init_regs(void) {
  uint8_t i;

  for (i = R0; i <= SP; i++) {
    this->regs[i] = 0;
  }
  return;
}

void VM::status(void) {
  uint8_t i;
  DBG_INFO(("VM Status:\n"));
  DBG_INFO(("~~~~~~~~~~\n"));
  for (i = R0; i <= SP; i++) {
    switch (i) {
    case R0:
      DBG_INFO(("R0:\t0x%x\n", this->regs[i]));
      break;
    case R1:
      DBG_INFO(("R1:\t0x%x\n", this->regs[i]));
      break;
    case R2:
      DBG_INFO(("R2:\t0x%x\n", this->regs[i]));
      break;
    case R3:
      DBG_INFO(("R3:\t0x%x\n", this->regs[i]));
      break;
    case S0:
      DBG_INFO(("S0:\t0x%x\n", this->regs[i]));
      break;
    case S1:
      DBG_INFO(("S1:\t0x%x\n", this->regs[i]));
      break;
    case S2:
      DBG_INFO(("S2:\t0x%x\n", this->regs[i]));
      break;
    case S3:
      DBG_INFO(("S3:\t0x%x\n", this->regs[i]));
      break;
    case IP:
      DBG_INFO(("IP:\t0x%x\n", this->regs[i]));
      break;
    case BP:
      DBG_INFO(("BP:\t0x%x\n", this->regs[i]));
      break;
    case SP:
      DBG_INFO(("SP:\t0x%x\n", this->regs[i]));
      break;
    }
  }
  DBG_INFO(("~~~~~~~~~~\n"));
  return;
}

void VM::run(uint8_t *code) { return; }