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registre.c.BAK
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#include "registre.h"
#include "emulMips.h"
/*************************************************************\
fonctions de l'émulateur mips
\*************************************************************/
// initialisation registres
registre registre_new(size_t nbreg)
{
registre reg_emul = calloc(1, sizeof(*reg_emul));
if (reg_emul == NULL)
printf("impossible d'allouer les registres");
reg_emul->reg = calloc(nbreg, sizeof(*(reg_emul->reg)));
if (reg_emul->reg == NULL)
printf("impossible d'allouer les registres");
reg_emul->nreg = nbreg;
return reg_emul;
}
//supprimer registres
void
registre_del(registre c)
{
if (c->reg != NULL)
free(c->reg);
if (c != NULL)
free(c);
}
//obtenir la valeur d 'un numéro de registre
int
getRegisterValue(registre r, int numReg)
{
if (r != NULL && r->reg != NULL && numReg >= 0 && numReg <= 34)
return r->reg[numReg];
else
return -1;
}
int
convert(char *regName)
{
if (regName != NULL) {
if (strcmp(regName, "$0") == 0 || strcmp(regName, "$zero") == 0)
return 0;
else if (strcmp(regName, "$1") == 0 || strcmp(regName, "$at") == 0)
return 1;
else if (strcmp(regName, "$2") == 0 || strcmp(regName, "$v0") == 0)
return 2;
else if (strcmp(regName, "$3") == 0 || strcmp(regName, "$v1") == 0)
return 3;
else if (strcmp(regName, "$4") == 0 || strcmp(regName, "$a0") == 0)
return 4;
else if (strcmp(regName, "$5") == 0 || strcmp(regName, "$a1") == 0)
return 5;
else if (strcmp(regName, "$6") == 0 || strcmp(regName, "$a2") == 0)
return 6;
else if (strcmp(regName, "$7") == 0 || strcmp(regName, "$a3") == 0)
return 7;
else if (strcmp(regName, "$8") == 0 || strcmp(regName, "$t0") == 0)
return 8;
else if (strcmp(regName, "$9") == 0 || strcmp(regName, "$t1") == 0)
return 9;
else if (strcmp(regName, "$10") == 0 || strcmp(regName, "$t2") == 0)
return 10;
else if (strcmp(regName, "$11") == 0 || strcmp(regName, "$t3") == 0)
return 11;
else if (strcmp(regName, "$12") == 0 || strcmp(regName, "$t4") == 0)
return 12;
else if (strcmp(regName, "$13") == 0 || strcmp(regName, "$t5") == 0)
return 13;
else if (strcmp(regName, "$14") == 0 || strcmp(regName, "$t6") == 0)
return 14;
else if (strcmp(regName, "$15") == 0 || strcmp(regName, "$t7") == 0)
return 15;
else if (strcmp(regName, "$16") == 0 || strcmp(regName, "$s0") == 0)
return 16;
else if (strcmp(regName, "$17") == 0 || strcmp(regName, "$s1") == 0)
return 17;
else if (strcmp(regName, "$31") == 0 || strcmp(regName, "$ra") == 0)
return 31;
else if (strcmp(regName, "$30") == 0 || strcmp(regName, "$fp") == 0)
return 30;
else if (strcmp(regName, "$29") == 0 || strcmp(regName, "$sp") == 0)
return 29;
else if (strcmp(regName, "$28") == 0 || strcmp(regName, "$gp") == 0)
return 28;
else if (strcmp(regName, "$27") == 0 || strcmp(regName, "$k1") == 0)
return 27;
else if (strcmp(regName, "$26") == 0 || strcmp(regName, "$k0") == 0)
return 26;
else if (strcmp(regName, "$25") == 0 || strcmp(regName, "$t9") == 0)
return 25;
else if (strcmp(regName, "$24") == 0 || strcmp(regName, "$t8") == 0)
return 24;
else if (strcmp(regName, "$23") == 0 || strcmp(regName, "$s7") == 0)
return 23;
else if (strcmp(regName, "$22") == 0 || strcmp(regName, "$s6") == 0)
return 22;
else if (strcmp(regName, "$21") == 0 || strcmp(regName, "$s5") == 0)
return 21;
else if (strcmp(regName, "$20") == 0 || strcmp(regName, "$s4") == 0)
return 20;
else if (strcmp(regName, "$19") == 0 || strcmp(regName, "$s3") == 0)
return 19;
else if (strcmp(regName, "$18") == 0 || strcmp(regName, "$s2") == 0)
return 18;
else if (strcmp(regName, "$32") == 0 || strcmp(regName, "$PC") == 0)
return 32;
else if (strcmp(regName, "$33") == 0 || strcmp(regName, "$HI") == 0)
return 33;
else if (strcmp(regName, "$34") == 0 || strcmp(regName, "$LO") == 0)
return 34;
else
return -1;
} else
return -1;
}
//obtenir la valeur d 'un numéro de registre à partir de son Mnémonique
int
getRegisterValueByStr(registre r, char *regName)
{
int a = convert(regName);
if (a != -1)
return r->reg[a];
else
return -1;
}
int
setRegisterValue(registre r, int numReg, int value)
{
if (r != NULL && r->reg != NULL && numReg >= 0 && numReg <= 34) {
//printf("itoaa %s\n", itoa(value, 16));
//r->reg[numReg] = itoa(value, 16);
r->reg[numReg] = value;
return 0;
} else
return -1;
}
char *
getName(char *regName)
{
int a = convert(regName);
if (a == 0)
return "zero";
if (a == 1)
return "at";
if (a == 2)
return "v0";
if (a == 3)
return "v1";
if (a == 4)
return "a0";
if (a == 5)
return "a1";
if (a == 6)
return "a2";
if (a == 7)
return "a3";
if (a == 8)
return "t0";
if (a == 9)
return "t1";
if (a == 10)
return "t2";
if (a == 11)
return "t3";
if (a == 12)
return "t4";
if (a == 13)
return "t5";
if (a == 14)
return "t6";
if (a == 15)
return "t7";
if (a == 16)
return "s0";
if (a == 17)
return "s1";
if (a == 18)
return "s2";
if (a == 19)
return "s3";
if (a == 20)
return "s4";
if (a == 21)
return "s5";
if (a == 22)
return "s6";
if (a == 23)
return "s7";
if (a == 24)
return "t8";
if (a == 25)
return "t9";
if (a == 26)
return "k0";
if (a == 27)
return "k1";
if (a == 28)
return "gp";
if (a == 29)
return "sp";
if (a == 30)
return "fp";
if (a == 31)
return "ra";
if (a == 32)
return "PC";
if (a == 33)
return "HI";
if (a == 34)
return "LO";
else
return "problème dans l'affichage du nom du registre";
}
char *
getName2(int a)
{
if (a == 0)
return "zero";
if (a == 1)
return "at";
if (a == 2)
return "v0";
if (a == 3)
return "v1";
if (a == 4)
return "a0";
if (a == 5)
return "a1";
if (a == 6)
return "a2";
if (a == 7)
return "a3";
if (a == 8)
return "t0";
if (a == 9)
return "t1";
if (a == 10)
return "t2";
if (a == 11)
return "t3";
if (a == 12)
return "t4";
if (a == 13)
return "t5";
if (a == 14)
return "t6";
if (a == 15)
return "t7";
if (a == 16)
return "s0";
if (a == 17)
return "s1";
if (a == 18)
return "s2";
if (a == 19)
return "s3";
if (a == 20)
return "s4";
if (a == 21)
return "s5";
if (a == 22)
return "s6";
if (a == 23)
return "s7";
if (a == 24)
return "t8";
if (a == 25)
return "t9";
if (a == 26)
return "k0";
if (a == 27)
return "k1";
if (a == 28)
return "gp";
if (a == 29)
return "sp";
if (a == 30)
return "fp";
if (a == 31)
return "ra";
if (a == 32)
return "PC";
if (a == 33)
return "HI";
if (a == 34)
return "LO";
else
return "problème dans l'affichage du nom du registre";
}