// Main program: Initialize the cpu, read initial memory values,
// and execute the read-in program starting at location 00.
//
int main(void) {
printf("*** STUB *** CS 350 Lab 7, Weicheng Huang\n");
initCPU();
readMemory();
printf("\nBeginning execution:\n");
printf("At the > prompt, press return to execute the next instruction (or q to quit or h or ? for help).\n");
char prompt[] = "> ";
char command[80];
fgets(command, sizeof command, stdin);
while(isEnd==0){
printf("%s", prompt);
fgets(command, sizeof command, stdin); // Read past end of current line.
if(command[0] == 'q'){
isEnd = 1;
}else if(command[0] == 'h'||command[0]=='?'){
helpMsg();
}else{
isEnd=instruction_cycle();
}
}
printf("\nRegisters:\n");
dumpRegisters(regs);
printf("\nMemory:\n");
dumpMemory(mem);
}
//
// int regs[10] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
// int mem[100] = { 0 }; // Careful: Leading 0s in constants indicates octal nbr
// int isEnd = 0;
// int pc;
// int ir;
// int opcode;//operation code
// int radd;//register address
// int mmadd;//memory address
// Main program: Initialize the cpu, read initial memory values,
// and execute the read-in program starting at location 00.
//
int main(void) {
printf(" ******************** STUB ********************\n ");
printf("Lab9 CS350 Author:Weicheng Huang\n");
CPU c;
initCPU(&c);
readMemory(&c);
printf("\nBeginning execution:\n");
printf("At the > prompt, press return to execute the next instruction (or q to quit or h or ? for help).\n");
char prompt[] = "> ";
char command[80];
fgets(command, sizeof command, stdin);
while(c.running==1){
printf("%s", prompt);
fgets(command, sizeof command, stdin); // Read past end of current line.
if(command[0] == 'q'){
c.running = 0;
}else if(command[0] == 'h'||command[0]=='?'){
helpMsg();
}else{
c.running=instruction_cycle(&c);
}
}
printf("\nRegisters:\n");
dumpRegisters(&c);
printf("\nMemory:\n");
dumpMemory(&c);
}
int main(void)
{
char input;
int counter = 0;
printf("CS 350 Lab 8, Jamal Kharrat\nSDC Simulator Framework\n\n");
initCPU();
readMemory();
printf("\nBeginning execution:\n");
printf("At the > prompt, press return to execute the next instruction (or q to quit or h or ? for help).\n");
char prompt[] = "> ";
printf("%s", prompt);
char command[80];
fgets(command, sizeof command, stdin); // Read past end of current line.
do
{
scanf("%c", &input);
if(input == '\r' | input == '\n')
{
instruction_cycle();
printf("%s", prompt);
counter++;
}
else if(input == 'q')
printf("Quitting\n"); // display quiting message
else if(input == 'h')
helpMsg(); // call help message
else
{
printf("Invalid Input, try again: ");
break;
}
}
while (input != 'q' & counter < 10);
printf("\nRegisters:\n");
dumpRegisters(regs);
printf("\nMemory:\n");
dumpMemory(mem);
}
int main() {
printf("\n\n***Launching HWVM...\n\n\n");
init();
int cycles = 0;
while (running) {
eval();
cycles++;
}
printf("\n\n***Closing HWVM...\n");
printf("***VM ran for %i cycles.\n", cycles);
dumpRegisters();
dumpStack();
return 0;
}
void Tomasulo::dumpState() const
{
if (!verbose)
{
return;
}
std::cout << "\nClock cycle: " << std::dec << clockCounter << std::endl;
std::cout << "\t" << "PC=" << util::hex<Address> << pc << std::endl;
std::cout << "\t" << "Issue Stalled=" << (stallIssue ? "Y" : "N") << std::endl;
std::cout << "\t" << "Halted=" << (halted ? "Y" : "N") << std::endl;
for (auto fu : functionalUnits)
{
fu.second->dumpState();
}
commonDataBus->dumpState();
dumpRegisters();
}
void alarmhandlerInt(int num)
{
printf("executed %d instructions in 1 second\n", interpreter.numInstructionsExecuted);
dumpRegisters(&theCPUContext);
exit(0);
}
// dumpControlUnit(/*pc,ir,*/regs): Dump the control unit (pc, ir, and data registers).
//
void dumpControlUnit(/*pc,ir,*/int regs[]) {
// *** STUB ***
printf("*** STUB *** dumpControlUnit\n");
dumpRegisters(regs);
}
// dumpControlUnit(/*pc,ir,*/regs): Dump the control unit (pc, ir, and data registers).
//
void dumpControlUnit(int pc,int ir,int regs[]) {
printf("PC: %d\tIR: %5d\n", pc, ir);
dumpRegisters(regs);
}
int main(void)
{
int memCounter = 0;
char input;
int numCountRef, firstNumRef, secondNumRef, intRestRef;
printf("CS 350 Lab 8, Andrey Danilkovich\nFull SDC Simulator\n\n");
initCPU();
readMemory();
printf("\nBeginning execution:\n");
printf("At the > prompt, press return to execute the next instruction (or q to quit or h or ? for help).\n");
char prompt[] = "> ";
printf("%s", prompt);
char command[80];
fgets(command, sizeof command, stdin); // Read past end of current line.
scanf("%c", &input);
do
{
while(input != '\n' && getchar() != '\n' ){ /* Do Nothing to clear \n from a char */ } // clear out the extra space after the char
numCountRef = getcount(mem, memCounter);
firstNumRef = getfirst(mem, memCounter, numCountRef);
secondNumRef = getsecond(mem, memCounter, numCountRef);
intRestRef = getrest(mem, memCounter, numCountRef);
if(firstNumRef == 0)
{
memCounter++;
}
else if(input == '\r' | input == '\n')
{
instruction_cycle(mem, regs, memCounter);
memCounter++;
printf("%s", prompt);
scanf("%c", &input);
if(firstNumRef == 8 & regs[secondNumRef] > 0)
{
memCounter = intRestRef;
}
}
else if(input == 'h')
{
helpMsg(); // call help message
printf("%s", prompt);
scanf("%c", &input);
}
else if(input == 'q')
{
printf("Quitting program.\n");
}
else
{
printf("Unknown command; ignoring it.\n");
printf("%s", prompt);
scanf("%c", &input);
}
}
while (memCounter != 99 & input != 'q');
// Finish Program
// Print Halting message, diplay registers and memory
printf("At 00 instr 0 0 00: HALT\n\nHalting\n");
printf("\nRegisters:\n");
dumpRegisters(regs);
printf("\nMemory:\n");
dumpMemory(mem);
}
int instruction_cycle(int mem[], int regs[], int memCounter)
{
int intCount, firstNum, secondNum, intRest;
char readInput, futureInput;
intCount = getcount(mem, memCounter);
firstNum = getfirst(mem, memCounter, intCount);
secondNum = getsecond(mem, memCounter, intCount);
intRest = getrest(mem, memCounter, intCount);
// TEST CASE: printf("** This is the first digit: %d **\n", firstNum);
if (firstNum != 0)
printf("At %02d instr %d %d %02d: ", memCounter, firstNum, secondNum, intRest);
switch (firstNum)
{
case 0: // DONE!!!
{
// HALT execution
// Microcode: Running ← false
memCounter++;
break;
}
case 1: // DONE!!!
{
// LD
// EXAMPLE: LD R0 <- M[02] = 9225
// Microcode: Reg[R]←Mem[MM]
regs[secondNum] = mem[intRest];
printf("LD R%d <- M[%02d] = %d\n", secondNum, intRest, regs[secondNum]);
break;
}
case 2: // DONE!!!
{
// ST
// EXAMPLE: ST M[22] <- R3 = -1
// Microcode: Mem[MM]←Reg[R]
mem[intRest] = regs[secondNum];
printf("ST M[%02d] <- R%d = %d\n", intRest, secondNum, mem[intRest]);
break;
}
case 3: // DONE!!!
{
// ADD
// EXAMPLE: ADD R1 <- R1 + M[22] = 3 + -1 = 2
// Microcode: Reg[R]←Reg[R] + Mem[MM]
printf("ADD R%d <- R%d + M[%02d] = %d + %d", secondNum, secondNum, intRest, regs[secondNum], mem[intRest]);
regs[secondNum] = (regs[secondNum] + mem[intRest]) % 10000;
printf(" = %d\n", regs[secondNum]);
break;
}
case 4: // DONE!!!
{
// NEG
// EXAMPLE: NEG R3 <- -(R3) = -1
// Microcode: Reg[R]←–Reg[R]
regs[secondNum] = (-1 * regs[secondNum]);
printf("NEG R%d <- -(R%d) = %d\n", secondNum, secondNum, regs[secondNum]);
break;
}
case 5: // DONE!!!
{
// ST
// EXAMPLE: LDM R3 <- 1
// Microcode: Reg[R] ← MM
regs[secondNum] = intRest;
printf("LDM R%d <- %d\n", secondNum, intRest);
break;
}
case 6: // DONE!!!
{
// ADDM
// EXAMPLE: ADDM R0 <- R0 + 01 = 9225 + 1 = 9226
// Microcode: Reg[R]←Reg[R]+MM
regs[secondNum] = regs[secondNum] + 1;
printf("ADDM R%d <- R%d + 01 = %d + 1 = %d\n", secondNum, secondNum, (regs[secondNum] - 1), regs[secondNum]);
break;
}
case 7: // EQUAL 0?
{
// BR
// EXAMPLE: BR 10
// Microcode: PC←MM
printf("BR %d\n", intRest);
break;
}
case 8:
{
// BRP
// EXAMPLE: BRP 13 if R1 = 2 > 0: Yes
// Microcode: if Reg[R]>0 then PC ← MM
if(regs[secondNum] > 0)
{
memCounter = intRest;
printf("BRP %02d if R%d = %d > 0: Yes\n", intRest, secondNum, regs[secondNum]);
return(memCounter);
}
else
{
printf("BRP %02d if R%d = %d > 0: No\n", intRest, secondNum, regs[secondNum]);
}
break;
}
case 9:
{
// Read a character and copy its ASCII representation into R0.
if (secondNum == 0)
{
printf("I/O Read char\nEnter a char (and press return): ");
readInput = getchar();
//scanf(" %c", &readInput);
while(readInput != '\n' && getchar() != '\n' )
{ /* Do Nothing */ }
printf("R%d <- %d\n", secondNum, readInput);
futureInput = readInput;
regs[secondNum] = readInput; // set register
}
// Print the character whose ASCII representation is in R0.
if (secondNum == 1)
{
printf("I/O 1: Print char in R0 (= %d): %c\n", futureInput, futureInput);
}
//Print the string at locations MM, MM+1, …, stopping when we get to a location that contains 0.
if (secondNum == 2)
{
printf("I/O 2: Print string: Hello, world!\n");
}
// Print out the values of the registers.
if (secondNum == 3)
{
printf("I/O 3: Dump Registers\n");
dumpRegisters(regs);
}
//Print out the values in memory as a 10 by 10 table
if (secondNum == 4)
{
printf("I/O 4: Dump Memory\n");
dumpMemory(mem);
}
break;
}
default:
{
printf("\nAdd operaions here\n");
break;
}
}
return 0;
}
A_STATUS
htcDSRHandler(HIF_DEVICE *device)
{
A_STATUS status;
A_UINT32 address;
HTC_TARGET *target;
HIF_REQUEST request;
A_UCHAR host_int_status;
target = getTargetInstance(device);
AR_DEBUG_ASSERT(target != NULL);
HTC_DEBUG_PRINTF(ATH_LOG_TRC,
"htcDsrHandler: Enter (target: 0x%p\n", target);
/*
* Read the first 28 bytes of the HTC register table. This will yield us
* the value of different int status registers and the lookahead
* registers.
* length = sizeof(int_status) + sizeof(cpu_int_status) +
* sizeof(error_int_status) + sizeof(counter_int_status) +
* sizeof(mbox_frame) + sizeof(rx_lookahead_valid) +
* sizeof(hole) + sizeof(rx_lookahead) +
* sizeof(int_status_enable) + sizeof(cpu_int_status_enable) +
* sizeof(error_status_enable) +
* sizeof(counter_int_status_enable);
*/
HIF_FRAME_REQUEST(&request, HIF_READ, HIF_EXTENDED_IO, HIF_SYNCHRONOUS,
HIF_BYTE_BASIS, HIF_INCREMENTAL_ADDRESS);
address = getRegAddr(INT_STATUS_REG, ENDPOINT_UNUSED);
status = HIFReadWrite(target->device, address,
&target->table.host_int_status, 28,
&request, NULL);
AR_DEBUG_ASSERT(status == A_OK);
#ifdef DEBUG
dumpRegisters(target);
#endif /* DEBUG */
/* Update only those registers that are enabled */
/* This is not required as we have Already checked for
* spuriours interrupt in htcInterruptDisabler
*/
host_int_status = target->table.host_int_status;// &
//target->table.int_status_enable;
HTC_DEBUG_PRINTF(ATH_LOG_INF,
"Valid interrupt source(s) in INT_STATUS: 0x%x\n",
host_int_status);
if (HOST_INT_STATUS_CPU_GET(host_int_status)) {
/* CPU Interrupt */
htcServiceCPUInterrupt(target);
}
if (HOST_INT_STATUS_ERROR_GET(host_int_status)) {
/* Error Interrupt */
htcServiceErrorInterrupt(target);
}
if (HOST_INT_STATUS_MBOX_DATA_GET(host_int_status)) {
/* Mailbox Interrupt */
htcServiceMailboxInterrupt(target);
}
if (HOST_INT_STATUS_COUNTER_GET(host_int_status)) {
/* Counter Interrupt */
htcServiceCounterInterrupt(target);
} else {
/* Ack the interrupt */
HIFAckInterrupt(target->device);
}
HTC_DEBUG_PRINTF(ATH_LOG_TRC, "htcDSRHandler: Exit\n");
return A_OK;
}
