bool CMipsInstruction::Load(char* Name, char* Params)
{
bool paramfail = false;
NoCheckError = false;
for (int z = 0; MipsOpcodes[z].name != NULL; z++)
{
if (MipsOpcodes[z].ver & Mips.GetVersion())
{
if (parseOpcode(MipsOpcodes[z],Name) == true)
{
if (LoadEncoding(MipsOpcodes[z],Params) == true)
{
Loaded = true;
return true;
}
paramfail = true;
}
}
}
if (NoCheckError == false)
{
if (paramfail == true)
{
Logger::printError(Logger::Error,L"MIPS parameter failure \"%S\"",Params);
} else {
Logger::printError(Logger::Error,L"Invalid MIPS opcode \"%S\"",Name);
}
}
return false;
}
bool CMipsInstruction::Load(const char* Name, const char* Params, int RamPos)
{
bool paramfail = false;
NoCheckError = false;
this->RamPos = RamPos;
const MipsArchDefinition& arch = mipsArchs[MARCH_PS2];
for (int z = 0; MipsOpcodes[z].name != NULL; z++)
{
if ((MipsOpcodes[z].archs & arch.supportSets) == 0)
continue;
if ((MipsOpcodes[z].archs & arch.excludeMask) != 0)
continue;
if ((MipsOpcodes[z].flags & MO_64BIT) && !(arch.flags & MO_64BIT))
continue;
if ((MipsOpcodes[z].flags & MO_FPU) && !(arch.flags & MO_FPU))
continue;
if (parseOpcode(MipsOpcodes[z],Name) == true)
{
if (LoadEncoding(MipsOpcodes[z],Params) == true)
{
Loaded = true;
return true;
}
paramfail = true;
}
}
if (NoCheckError == false)
{
if (paramfail == true)
{
error = "Parameter failure.";
} else {
error = "Invalid opcode.";
}
}
return false;
}
bool CMipsInstruction::Load(const char* Name, const char* Params)
{
bool paramfail = false;
NoCheckError = false;
const MipsArchDefinition& arch = mipsArchs[Mips.GetVersion()];
for (int z = 0; MipsOpcodes[z].name != NULL; z++)
{
if ((MipsOpcodes[z].archs & arch.supportSets) == 0)
continue;
if ((MipsOpcodes[z].archs & arch.excludeMask) != 0)
continue;
if ((MipsOpcodes[z].flags & MO_64BIT) && !(arch.flags & MO_64BIT))
continue;
if ((MipsOpcodes[z].flags & MO_FPU) && !(arch.flags & MO_FPU))
continue;
if (parseOpcode(MipsOpcodes[z],Name) == true)
{
if (LoadEncoding(MipsOpcodes[z],Params) == true)
{
Loaded = true;
return true;
}
paramfail = true;
}
}
if (NoCheckError == false)
{
if (paramfail == true)
{
Logger::printError(Logger::Error,L"MIPS parameter failure \"%S\"",Params);
} else {
Logger::printError(Logger::Error,L"Invalid MIPS %S opcode \"%S\"",arch.name,Name);
}
}
return false;
}
int main(int argc, char** argv)
{
char* line; /*Last line read */
char* label; /*Last label read*/
char* oCode; /*Last opcode read*/
char* a1; /*Last arguments read*/
char* a2;
char* a3;
char* a4;
int steer;
int stat; /*Status code of last line*/
int num;
char *prgName = NULL;
char *iFileName = NULL;
char *oFileName = NULL;
prgName = argv[0];
iFileName = argv[1];
oFileName = argv[2];
/*For manual testing*/
/*prgName = "OutProgram";
iFileName = "test2.txt";
oFileName = "test2_out.txt";*/
line=(char*)malloc((MAX_LINE_LENGTH+1)*sizeof(char));
printf("program name = '%s'\n", prgName);
printf("input file name = '%s'\n", iFileName);
printf("output file name = '%s'\n", oFileName);
/* open the source file */
infile = fopen(argv[1], "r");
outfile = fopen(argv[2], "w");
/*For manual testing*/
/*infile = fopen(iFileName, "r");
outfile = fopen(oFileName, "w");*/
if (infile==NULL) {
printf("Error: Cannot open file %s\n", argv[1]);
exit(4);
}
if (outfile==NULL) {
printf("Error: Cannot open file %s\n", argv[2]);
exit(4);
}
stat = EMPTY_LINE;
while(stat == EMPTY_LINE) /*Find first line */
stat=readAndParse( infile, line, &label, &oCode, &a1, &a2, &a3, &a4);
if(strcmp(oCode, ".orig")!=0)
{
printf("Error: File does not begin with .orig");
closeFiles();
exit(4);
}
origin = toNum(a1); /*Make sure origin is in correct range */
if(origin < 0 || origin > 65534||origin%2 != 0)
{
printf("Error: Invalid Origin, must be between 0x0000 and 0xFFFF and even");
closeFiles();
exit(3);
}
PC = origin;
while(stat != DONE)
{
stat = readLabel(infile, line, &label);
if(*label != '\0')
{
addLabel(&label);
}
/*Increment PC */
if(stat == OK)
PC+=2;
}
if(PC>65538) /*Prevents program from exceeding memory location 0xFFFF*/
{
printf("Error: Program exceeds memory");
closeFiles();
exit(4);
}
rewind(infile);
PC=origin;
stat = EMPTY_LINE;
while(stat == EMPTY_LINE) /*Finds .orig and goes to next line */
stat=readAndParse( infile, line, &label, &oCode, &a1, &a2, &a3, &a4);
fprintf(outfile, "0x%0.4X\n", origin); /*Prints out formated Hex version of .orig line */
while(stat != DONE&&stat!=END_OP)
{
stat = readAndParse( infile, line, &label, &oCode, &a1, &a2, &a3, &a4);
if(stat == OK)
{
steer = 0;
num = parseOpcode(oCode,&steer);
if(num== -1)
{
printf("Error: %s is not a valid opcode\n",oCode);
closeFiles();
exit(2);
}
if(num == 17)
stat=END_OP;
else
{
/*Execute Opcode */
processOpcode( num, &steer, a1, a2, a3, a4);
PC+=2;
}
}
}
/*Must end with .end */
if(stat != END_OP)
{
printf("Error: File does not have a .end pseudocode\n");
closeFiles();
exit(4);
}
closeFiles();
return 0;
}
Instruction* Instruction::create(const std::string& opcode, BasicBlock* b)
{
return create(parseOpcode(opcode), b);
}
