/**
* Updates visibility/tooltip of label error asterisk.
* @param label :: New label as specified by user
*/
void MuonSequentialFitDialog::updateLabelError(const QString& label)
{
std::string error = isValidLabel( label.toStdString() );
m_ui.labelError->setVisible( ! error.empty() );
m_ui.labelError->setToolTip( QString::fromStdString(error) );
}
/**
* Check if all the input field are valid.
* @return True if everything valid, false otherwise
*/
bool MuonSequentialFitDialog::isInputValid()
{
if ( ! m_ui.runs->isValid() )
return false;
std::string label = m_ui.labelInput->text().toStdString();
if ( ! isValidLabel(label).empty() )
return false;
return true;
}
int convertToMachineCode(Instruction* inst, Label* table, int pc) {
int res = 0;
if (strcmp("add", inst->pOpcode) == 0 || strcmp("and", inst->pOpcode) == 0 || strcmp("xor", inst->pOpcode) == 0) { /* 'add', 'and', and 'xor' only differ by the opcode */
int opcode;
if (strcmp("add", inst->pOpcode) == 0) { opcode = 0x1; } /* add */
else if (strcmp("and", inst->pOpcode) == 0) { opcode = 0x5; } /* and*/
else { opcode = 0x9; } /* xor */
res += opcode << 12;
int dr, sr1, sr2, imm;
/* Check if arg1 and arg2 are valid registers */
dr = getRegister(inst->pArg1);
sr1 = getRegister(inst->pArg2);
if (dr == -1 || sr1 == -1) { /* first 2 arguments MUST be registers */
printf("ERROR: Invalid operand. Exiting with error code 4.");
exit(4);
}
/* Append dr and sr1 to res */
res += dr << 9;
res += sr1 << 6;
/* Check if arg3 is a register or a constant */
char key = inst->pArg3[0];
if (key == 'r') { /* is a register */
sr2 = getRegister(inst->pArg3);
if (sr2 == -1) { /* invalid register */
printf("ERROR: Invalid operand. Exiting with error code 4.");
exit(4);
}
res += sr2;
}
else if (key == '#' || key == 'x') { /* is a constant */
imm = toNum(inst->pArg3);
if (isConstant(imm, 5) == -1) {
printf("ERROR: Invalid constant. Exiting with error code 3.");
exit(3);
}
res += 1 << 5;
if (imm < 0) { /* convert negative to positive 2's complement */
imm = convertTwosComplement(imm, 5);
}
res += imm;
}
else {
printf("ERROR: Invalid operand. Exiting with error code 4.");
exit(4);
}
/* Check that arg4 is empty */
if (strlen(inst->pArg4) > 0) { /* extra operands */
printf("ERROR: Extra operands. Exiting with error code 4.");
exit(4);
}
}
else if ( /* all 8 branch variants */
strcmp("br", inst->pOpcode) == 0 ||
strcmp("brn", inst->pOpcode) == 0 ||
strcmp("brz", inst->pOpcode) == 0 ||
strcmp("brp", inst->pOpcode) == 0 ||
strcmp("brnz", inst->pOpcode) == 0 ||
strcmp("brnp", inst->pOpcode) == 0 ||
strcmp("brzp", inst->pOpcode) == 0 ||
strcmp("brnzp", inst->pOpcode) == 0
) {
int opcode = 0;
if (strcmp("br", inst->pOpcode) == 0 || strcmp("br", inst->pOpcode) == 0) { /* br and brnzp have same machine code output */
opcode = 0x7;
}
else if (strcmp("brn", inst->pOpcode) == 0) { opcode = 0x4; }
else if (strcmp("brz", inst->pOpcode) == 0) { opcode = 0x2; }
else if (strcmp("brp", inst->pOpcode) == 0) { opcode = 0x1; }
else if (strcmp("brnz", inst->pOpcode) == 0) { opcode = 0x6; }
else if (strcmp("brnp", inst->pOpcode) == 0) { opcode = 0x5; }
else if (strcmp("brzp", inst->pOpcode) == 0) { opcode = 0x3; }
else { /* invalid branch */
printf("ERROR: Invalid opcode. Exiting with error code 2.");
exit(2);
}
res += opcode << 9;
/* Check for valid label */
char* labelName = inst->pArg1;
if (isValidLabel(labelName) == -1) { /* invalid label name */
printf("ERROR: Invalid label name. Exiting with error code 4.");
exit(4);
}
Label label;
strcpy(label.label, labelName);
int addr = findLabel(label, table);
if (addr == -1) { /* couldn't find label */
printf("ERROR: Couldn't find label. Exiting with error code 1.");
exit(1);
}
/* Calculate PCOffset and append */
int diff = addr - (pc + 1);
if (diff < 0) { /* convert negative to positive 2's complement */
diff = convertTwosComplement(diff, 9);
}
res += diff;
/* Check that arg2 is empty */
if (strlen(inst->pArg2) > 0) { /* extra operands */
printf("ERROR: Extra operands. Exiting with error code 4.");
exit(4);
}
}
else if (strcmp("halt", inst->pOpcode) == 0) {
res = 0xF025;
/* Check that all args are empty */
if (strlen(inst->pArg1) > 0) { /* extra operands */
printf("ERROR: Extra operands. Exiting with error code 4.");
exit(4);
}
}
else if (strcmp("jmp", inst->pOpcode) == 0) {
int opcode = 0x60;
res += opcode << 9;
/* Check that br is valid */
int br;
/* Check if arg1 is valid register */
br = getRegister(inst->pArg1);
if (br == -1) { /* first argument MUST be register */
printf("ERROR: Invalid operand. Exiting with error code 4.");
exit(4);
}
/* Append br to res */
res += br << 6;
/* Check that arg2 is empty */
if (strlen(inst->pArg2) > 0) { /* extra operands */
printf("ERROR: Extra operands. Exiting with error code 4.");
exit(4);
}
}
else if (strcmp("jsr", inst->pOpcode) == 0) {
int opcode = 0x4;
res += opcode << 12;
res += 1 << 11; /* constant bit */
/* Check for valid label */
char* labelName = inst->pArg1;
if (isValidLabel(labelName) == -1) { /* invalid label name */
printf("ERROR: Invalid label name. Exiting with error code 4.");
exit(4);
}
Label label;
strcpy(label.label, labelName);
int addr = findLabel(label, table);
if (addr == -1) { /* couldn't find label */
printf("ERROR: Couldn't find label. Exiting with error code 1.");
exit(1);
}
/* Calculate PCOffset and append */
int diff = addr - (pc + 1);
if (diff < 0) { /* convert negative to positive 2's complement */
diff = convertTwosComplement(diff, 11);
}
res += diff;
/* Check that arg2 is empty */
if (strlen(inst->pArg2) > 0) { /* extra operands */
printf("ERROR: Extra operands. Exiting with error code 4.");
exit(4);
}
}
else if (strcmp("jsrr", inst->pOpcode) == 0) {
int opcode = 0x4;
res += opcode << 12;
/* Check that br is valid */
int br;
/* Check if arg1 is valid register */
br = getRegister(inst->pArg1);
if (br == -1) { /* first argument MUST be register */
printf("ERROR: Invalid operand. Exiting with error code 4.");
exit(4);
}
/* Append br to res */
res += br << 6;
/* Check that arg2 is empty */
if (strlen(inst->pArg2) > 0) { /* extra operands */
printf("ERROR: Extra operands. Exiting with error code 4.");
exit(4);
}
}
else if (strcmp("ldb", inst->pOpcode) == 0 || strcmp("ldw", inst->pOpcode) == 0) {
int opcode;
if (strcmp("ldb", inst->pOpcode) == 0) { opcode = 0x2; } /* ldb */
else { opcode = 0x6; } /* ldw */
res += opcode << 12;
/* Check that dr and sr are both valid */
int dr, sr, offset;
/* Check if arg1 and arg2 are valid registers */
dr = getRegister(inst->pArg1);
sr = getRegister(inst->pArg2);
if (dr == -1 || sr == -1) { /* first 2 arguments MUST be registers */
printf("ERROR: Invalid operand. Exiting with error code 4.");
exit(4);
}
/* Append dr and sr1 to res */
res += dr << 9;
res += sr << 6;
/* Check that arg3 is a constant */
char key = inst->pArg3[0];
if (key == '#' || key == 'x') { /* is a constant */
offset = toNum(inst->pArg3);
if (isConstant(offset, 6) == -1) {
printf("ERROR: Invalid constant. Exiting with error code 3.");
exit(3);
}
if (offset < 0) { /* convert negative to positive 2's complement */
offset = convertTwosComplement(offset, 6);
}
res += offset;
}
else {
printf("ERROR: Invalid operand. Exiting with error code 4.");
exit(4);
}
/* Check that arg4 is empty */
if (strlen(inst->pArg4) > 0) { /* extra operands */
printf("ERROR: Extra operands. Exiting with error code 4.");
exit(4);
}
}
else if (strcmp("lea", inst->pOpcode) == 0) {
int opcode = 0xE;
res += opcode << 12;
/* Check that dr is valid */
int dr;
/* Check if arg1 is valid register */
dr = getRegister(inst->pArg1);
if (dr == -1) { /* first argument MUST be register */
printf("ERROR: Invalid operand. Exiting with error code 4.");
exit(4);
}
/* Append dr to res */
res += dr << 9;
/* Check for valid label */
char* labelName = inst->pArg2;
if (isValidLabel(labelName) == -1) { /* invalid label name */
printf("ERROR: Invalid label name. Exiting with error code 4.");
exit(4);
}
Label label;
strcpy(label.label, labelName);
int addr = findLabel(label, table);
if (addr == -1) { /* couldn't find label */
printf("ERROR: Couldn't find label. Exiting with error code 1.");
exit(1);
}
/* Calculate PCOffset and append */
int diff = addr - (pc + 1);
if (diff < 0) { /* convert negative to positive 2's complement */
diff = convertTwosComplement(diff, 9);
}
res += diff;
/* Check that arg3 is empty */
if (strlen(inst->pArg3) > 0) { /* extra operands */
printf("ERROR: Extra operands. Exiting with error code 4.");
exit(4);
}
}
else if (strcmp("nop", inst->pOpcode) == 0) {
res = 0x0000;
/* Check that all args are empty */
if (strlen(inst->pArg1) > 0) { /* extra operands */
printf("ERROR: Extra operands. Exiting with error code 4.");
exit(4);
}
}
else if (strcmp("not", inst->pOpcode) == 0) {
int opcode = 9;
res += opcode << 12;
/* Check that dr and sr are both valid */
int dr, sr;
/* Check if arg1 and arg2 are valid registers */
dr = getRegister(inst->pArg1);
sr = getRegister(inst->pArg2);
if (dr == -1 || sr == -1) { /* first 2 arguments MUST be registers */
printf("ERROR: Invalid operand. Exiting with error code 4.");
exit(4);
}
/* Append dr and sr1 to res */
res += dr << 9;
res += sr << 6;
/* Append trailing 1's */
res += 0x3F;
/* Check that arg3 is empty */
if (strlen(inst->pArg3) > 0) { /* extra operands */
printf("ERROR: Extra operands. Exiting with error code 4.");
exit(4);
}
}
else if (strcmp("ret", inst->pOpcode) == 0) {
res = 0xC1C0;
/* Check that all args are empty */
if (strlen(inst->pArg1) > 0) { /* extra operands */
printf("ERROR: Extra operands. Exiting with error code 4.");
exit(4);
}
}
else if (
strcmp("lshf", inst->pOpcode) == 0 ||
strcmp("rshfl", inst->pOpcode) == 0 ||
strcmp("rshfa", inst->pOpcode) == 0
) {
int opcode = 0xD;
res += opcode << 12;
int dr, sr, num;
/* Check if arg1 and arg2 are valid registers */
dr = getRegister(inst->pArg1);
sr = getRegister(inst->pArg2);
if (dr == -1 || sr == -1) { /* first 2 arguments MUST be registers */
printf("ERROR: Invalid operand. Exiting with error code 4.");
exit(4);
}
/* Append dr and sr1 to res */
res += dr << 9;
res += sr << 6;
/* Check that arg3 is a constant */
char key = inst->pArg3[0];
if (key == '#' || key == 'x') { /* is a constant */
num = toNum(inst->pArg3);
if (isConstantUnsigned(num, 4) == -1) { /* check that it is unsigned */
printf("ERROR: Invalid constant. Exiting with error code 3.");
exit(3);
}
/* set bits 5 and 4 */
if (strcmp("rshfa", inst->pOpcode) == 0) { /* 1 1 */
res += 0x3 << 4;
}
else if (strcmp("rshfl", inst->pOpcode) == 0) { /* 0 1 */
res += 0x1 << 4;
}
else {} /* 0 0 */
res += num;
}
else {
printf("ERROR: Invalid operand. Exiting with error code 4.");
exit(4);
}
/* Check that arg4 is empty */
if (strlen(inst->pArg4) > 0) { /* extra operands */
printf("ERROR: Extra operands. Exiting with error code 4.");
exit(4);
}
}
else if (strcmp("rti", inst->pOpcode) == 0) {
res = 0x8000;
/* Check that all args are empty */
if (strlen(inst->pArg1) > 0) { /* extra operands */
printf("ERROR: Extra operands. Exiting with error code 4.");
exit(4);
}
}
else if (strcmp("stb", inst->pOpcode) == 0 || strcmp("stw", inst->pOpcode) == 0) {
int opcode;
if (strcmp("stb", inst->pOpcode) == 0) { opcode = 0x3; } /* stb */
else { opcode = 0x7; } /* stw */
res += opcode << 12;
/* Check that dr and sr are both valid */
int sr, br, offset;
/* Check if arg1 and arg2 are valid registers */
sr = getRegister(inst->pArg1);
br = getRegister(inst->pArg2);
if (sr == -1 || br == -1) { /* first 2 arguments MUST be registers */
printf("ERROR: Invalid operand. Exiting with error code 4.");
exit(4);
}
/* Append dr and sr1 to res */
res += sr << 9;
res += br << 6;
/* Check that arg3 is a constant */
char key = inst->pArg3[0];
if (key == '#' || key == 'x') { /* is a constant */
offset = toNum(inst->pArg3);
if (isConstant(offset, 6) == -1) {
printf("ERROR: Invalid constant. Exiting with error code 3.");
exit(3);
}
if (offset < 0) { /* convert negative to positive 2's complement */
offset = convertTwosComplement(offset, 6);
}
res += offset;
}
else {
printf("ERROR: Invalid operand. Exiting with error code 4.");
exit(4);
}
/* Check that arg4 is empty */
if (strlen(inst->pArg4) > 0) { /* extra operands */
printf("ERROR: Extra operands. Exiting with error code 4.");
exit(4);
}
}
else if (strcmp("trap", inst->pOpcode) == 0) {
int opcode = 0xF0;
res += opcode << 8;
/* Check that arg1 is a hex value */
char key = inst->pArg1[0];
int val = 0;
if (key == '#' || key == 'x') { /* is an unsigned constant */
val = toNum(inst->pArg1);
if (isConstantUnsigned(val, 8) == -1) {
printf("ERROR: Invalid constant. Exiting with error code 3.");
exit(3);
}
}
else { /* not a valid trap code */
printf("ERROR: Invalid operand. Exiting with error code 4.");
exit(4);
}
res += val;
/* Check that arg2 is empty */
if (strlen(inst->pArg2) > 0) { /* extra operands */
printf("ERROR: Extra operands. Exiting with error code 4.");
exit(4);
}
}
/* shouldn't need these condition checks
else if (strcmp(".orig", inst->pOpcode) == 0) {
}
else if (strcmp(".end", inst->pOpcode) == 0) {
}
*/
else if (strcmp(".fill", inst->pOpcode) == 0) {
int num = toNum(inst->pArg1);
if (num < 0) { /* check for signed overflow */
if (isConstant(num, 16) == -1) {
printf("ERROR: Invalid constant. Exiting with error code 3.");
exit(3);
}
num = convertTwosComplement(num, 16);
}
else { /* check for unsigned overflow */
if (isConstantUnsigned(num, 16) == -1) {
printf("ERROR: Invalid constant. Exiting with error code 3.");
exit(3);
}
}
res = num;
/* Check that arg2 is empty */
if (strlen(inst->pArg2) > 0) { /* extra operands */
printf("ERROR: Extra operands. Exiting with error code 4.");
exit(4);
}
}
else { /* not a valid opcode*/
printf("ERROR: Not a valid opcode. Exiting with error code 2.");
exit(2);
}
return res;
}
