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2 Commits
70dbd0253b
...
e5f2858a5c
| Author | SHA1 | Date | |
|---|---|---|---|
| e5f2858a5c | |||
| 906ea30be2 |
@ -5,5 +5,7 @@ set(CMAKE_C_STANDARD 99)
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add_compile_options(-g -Wall -pedantic)
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include_directories("./bigint/build/include")
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add_executable(ninja njvm.c
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SDA.c)
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2
Makefile
2
Makefile
@ -4,7 +4,7 @@
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CC = gcc
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# program to Run
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F = prog.bin
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F = programs/prog1.bin
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# Compiler flags
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CFLAGS = -g -Wall -Ibigint/build/include
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Binary file not shown.
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35
njvm.c
35
njvm.c
@ -9,6 +9,7 @@
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#include "SDA.c"
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#include "debugMenu.c"
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#include "bigint.h"
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// Debug
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int debug = 0;
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@ -49,7 +50,7 @@ void execute(struct program program) {
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StackSlot tempSlot;
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ObjRef tempObj;
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for (i = 0; i < *program.size; ++i) {
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if (debug == 1) debugMenu(fp,stack,&debug);
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if (debug == 1) debugMenu(fp, stack, &debug);
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switch (program.program[i] >> 24) {
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case HALT:
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if (debug == 1) printf("halt\n");
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@ -59,8 +60,11 @@ void execute(struct program program) {
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push(stack, stackSlotWithObjRef(getIntObj(SIGN_EXTEND(IMMEDIATE(program.program[i])))));
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break;
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case ADD:
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if (debug == 1) printf("add: %i + %i\n",peek(stack, 2),peek(stack, 1));
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push(stack, stackSlotWithObjRef(getIntObj(getIntValfromStackSlot(pop(stack)) + getIntValfromStackSlot(pop(stack)))));
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if (debug == 1) printf("add: %i + %i\n", peek(stack, 2), peek(stack, 1));
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bip.op1 = pop(stack).u.objRef;
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bip.op2 = pop(stack).u.objRef;
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bigAdd();
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push(stack, stackSlotWithObjRef(bip.res));
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break;
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case SUB:
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if (debug == 1) printf("sub: %i - %i\n", peek(stack, 2), peek(stack, 1));
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@ -69,7 +73,8 @@ void execute(struct program program) {
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break;
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case MUL:
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if (debug == 1) printf("mul: %i * %i\n", peek(stack, 2), peek(stack, 1));
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push(stack, stackSlotWithObjRef(getIntObj(getIntValfromStackSlot(pop(stack)) * getIntValfromStackSlot(pop(stack)))));
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push(stack, stackSlotWithObjRef(
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getIntObj(getIntValfromStackSlot(pop(stack)) * getIntValfromStackSlot(pop(stack)))));
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break;
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case DIV:
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if (debug == 1) printf("div: %i / %i\n", peek(stack, 2), peek(stack, 1));
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@ -119,7 +124,7 @@ void execute(struct program program) {
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if (debug == 1) printf("rsf: %i\n", SIGN_EXTEND(IMMEDIATE(program.program[i])));
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*stack.current = fp;
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if (debug == 1) printf("pop: %i\n", peek(stack, 1));
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tempSlot = pop(stack) ;
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tempSlot = pop(stack);
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fp = tempSlot.u.number;
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break;
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case POPL:
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@ -132,12 +137,18 @@ void execute(struct program program) {
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break;
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case NE:
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if (debug == 1) printf("ne: %i != %i\n", peek(stack, 2), peek(stack, 1));
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if (getIntValfromStackSlot(pop(stack)) != getIntValfromStackSlot(pop(stack))) push(stack, stackSlotWithObjRef(getIntObj(1)));
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if (getIntValfromStackSlot(pop(stack)) != getIntValfromStackSlot(pop(stack))) push(stack,
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stackSlotWithObjRef(
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getIntObj(
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1)));
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else push(stack, stackSlotWithObjRef(getIntObj(0)));
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break;
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case EQ:
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if (debug == 1) printf("eq: %i == %i\n", peek(stack, 2), peek(stack, 1));
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if (getIntValfromStackSlot(pop(stack)) == getIntValfromStackSlot(pop(stack))) push(stack, stackSlotWithObjRef(getIntObj(1)));
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if (getIntValfromStackSlot(pop(stack)) == getIntValfromStackSlot(pop(stack))) push(stack,
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stackSlotWithObjRef(
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getIntObj(
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1)));
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else push(stack, stackSlotWithObjRef(getIntObj(0)));
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break;
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case LT:
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@ -199,21 +210,21 @@ void execute(struct program program) {
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if (debug == 1) printf("new i: %i\n", i);
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break;
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case DROP:
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if(debug ==1) printf("drop\n");
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if (debug == 1) printf("drop\n");
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*stack.current = *stack.current - SIGN_EXTEND(IMMEDIATE(program.program[i]));
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break;
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case DUP:
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if (debug==1) printf("dup\n");
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if (debug == 1) printf("dup\n");
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tempObj = pop(stack).u.objRef;
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push(stack, stackSlotWithObjRef(tempObj));
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push(stack, stackSlotWithObjRef(tempObj));
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break;
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case POPR:
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if (debug==1) printf("popr") ;
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if (debug == 1) printf("popr");
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push(reg, pop(stack));
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break;
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case PUSHR:
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if(debug == 1) printf("pushr");
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if (debug == 1) printf("pushr");
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push(stack, pop(reg));
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break;
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}
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@ -267,7 +278,7 @@ int main(int argc, char *argv[]) {
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} else if (strcmp(argv[i], "--stack") == 0) {
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i++;
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// TODO: implement stack size
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} else if(strcmp(argv[i], "--heap") == 0) {
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} else if (strcmp(argv[i], "--heap") == 0) {
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i++;
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// TODO: implement heap size
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} else {
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