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Divise le classi, boilerplate

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This commit is contained in:
Giulio De Pasquale 2017-05-14 14:06:17 +02:00
parent 16d57bf64b
commit bea0edfd10
6 changed files with 156 additions and 107 deletions
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BIN
cpp/a.out
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1
cpp/debug.h
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@ -1,5 +1,6 @@
#ifndef DBG_H
#define DBG_H
#include <stdio.h>
#if DBG
#define DBG_INFO(_x_) \

16
cpp/emulator.cpp
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@ -1,19 +1,19 @@
#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#include <fstream>
#include "instructions.h"
#include "vm.h"
#include "debug.h"
#include "vm.h"
#include <fstream>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
using namespace std;
int main() {
ifstream vmbytecode;
VM * vm;
VM vm;
uint8_t *data;
vm.status();
// vm.status();
/*
if (vmbytecode != NULL) {
fread()

41
cpp/instructions.h
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@ -1,41 +0,0 @@
#include "vm.h"
#ifndef INS_H
#define INS_H
enum regs {
R0,
R1,
R2,
R3,
S0,
S1,
S2,
S3,
IP,
BP,
SP
};
enum ins {
MOVI,
MOVR,
MOVM,
ADDI,
ADDR,
ADDM,
SUBI,
SUBR,
SUBM,
XORI,
XORR,
XORM,
MULI,
MULR,
MULM,
DIVI,
DIVR,
DIVM,
HALT,
NOPE
};
#endif

66
cpp/vm.cpp
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@ -1,15 +1,71 @@
#include "vm.hh"
#include "vm.h"
#include "debug.h"
#include "vmas.h"
#include <string.h>
void VM::VM(void) {
VM::VM() {
DBG_INFO(("Creating VM without code.\n"));
init_regs();
}
void VM::VM(uint8_t * code, uint32_t codesize) {
VM::VM(uint8_t *code, uint32_t codesize) {
DBG_INFO(("Creating VM with code.\n"));
memcpy(&vm.as.code, code, codesize);
init_regs();
as.insCode(code, codesize);
}
void VM::run(uint8_t * code) {
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; }

37
cpp/vm.h
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@ -1,8 +1,37 @@
#ifndef VM_H
#define VM_H
#include <stdint.h>
#include "vmas.h"
class VMAddrSpace {
uint8_t stack[0x100], code[0x300], data[0x500];
enum regs { R0, R1, R2, R3, S0, S1, S2, S3, IP, BP, SP };
enum ins {
MOVI,
MOVR,
MOVM,
ADDI,
ADDR,
ADDM,
SUBI,
SUBR,
SUBM,
XORI,
XORR,
XORM,
NOTI,
NOTR,
NOTM,
MULI,
MULR,
MULM,
DIVI,
DIVR,
DIVM,
PUSH,
POOP,
CALL,
HALT,
NOPE
};
class VM {
@ -14,6 +43,10 @@ class VM {
VMAddrSpace as;
public:
VM();
VM(uint8_t *code, uint32_t codesize);
void init_regs(void);
void status(void);
void run(uint8_t *code);
};