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Author SHA1 Message Date
e5f2858a5c update 2024-01-18 18:25:16 +01:00
906ea30be2 update 2024-01-18 18:25:00 +01:00
10 changed files with 27 additions and 14 deletions

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@ -5,5 +5,7 @@ set(CMAKE_C_STANDARD 99)
add_compile_options(-g -Wall -pedantic)
include_directories("./bigint/build/include")
add_executable(ninja njvm.c
SDA.c)

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@ -4,7 +4,7 @@
CC = gcc
# program to Run
F = prog.bin
F = programs/prog1.bin
# Compiler flags
CFLAGS = -g -Wall -Ibigint/build/include

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35
njvm.c
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@ -9,6 +9,7 @@
#include "SDA.c"
#include "debugMenu.c"
#include "bigint.h"
// Debug
int debug = 0;
@ -49,7 +50,7 @@ void execute(struct program program) {
StackSlot tempSlot;
ObjRef tempObj;
for (i = 0; i < *program.size; ++i) {
if (debug == 1) debugMenu(fp,stack,&debug);
if (debug == 1) debugMenu(fp, stack, &debug);
switch (program.program[i] >> 24) {
case HALT:
if (debug == 1) printf("halt\n");
@ -59,8 +60,11 @@ void execute(struct program program) {
push(stack, stackSlotWithObjRef(getIntObj(SIGN_EXTEND(IMMEDIATE(program.program[i])))));
break;
case ADD:
if (debug == 1) printf("add: %i + %i\n",peek(stack, 2),peek(stack, 1));
push(stack, stackSlotWithObjRef(getIntObj(getIntValfromStackSlot(pop(stack)) + getIntValfromStackSlot(pop(stack)))));
if (debug == 1) printf("add: %i + %i\n", peek(stack, 2), peek(stack, 1));
bip.op1 = pop(stack).u.objRef;
bip.op2 = pop(stack).u.objRef;
bigAdd();
push(stack, stackSlotWithObjRef(bip.res));
break;
case SUB:
if (debug == 1) printf("sub: %i - %i\n", peek(stack, 2), peek(stack, 1));
@ -69,7 +73,8 @@ void execute(struct program program) {
break;
case MUL:
if (debug == 1) printf("mul: %i * %i\n", peek(stack, 2), peek(stack, 1));
push(stack, stackSlotWithObjRef(getIntObj(getIntValfromStackSlot(pop(stack)) * getIntValfromStackSlot(pop(stack)))));
push(stack, stackSlotWithObjRef(
getIntObj(getIntValfromStackSlot(pop(stack)) * getIntValfromStackSlot(pop(stack)))));
break;
case DIV:
if (debug == 1) printf("div: %i / %i\n", peek(stack, 2), peek(stack, 1));
@ -119,7 +124,7 @@ void execute(struct program program) {
if (debug == 1) printf("rsf: %i\n", SIGN_EXTEND(IMMEDIATE(program.program[i])));
*stack.current = fp;
if (debug == 1) printf("pop: %i\n", peek(stack, 1));
tempSlot = pop(stack) ;
tempSlot = pop(stack);
fp = tempSlot.u.number;
break;
case POPL:
@ -132,12 +137,18 @@ void execute(struct program program) {
break;
case NE:
if (debug == 1) printf("ne: %i != %i\n", peek(stack, 2), peek(stack, 1));
if (getIntValfromStackSlot(pop(stack)) != getIntValfromStackSlot(pop(stack))) push(stack, stackSlotWithObjRef(getIntObj(1)));
if (getIntValfromStackSlot(pop(stack)) != getIntValfromStackSlot(pop(stack))) push(stack,
stackSlotWithObjRef(
getIntObj(
1)));
else push(stack, stackSlotWithObjRef(getIntObj(0)));
break;
case EQ:
if (debug == 1) printf("eq: %i == %i\n", peek(stack, 2), peek(stack, 1));
if (getIntValfromStackSlot(pop(stack)) == getIntValfromStackSlot(pop(stack))) push(stack, stackSlotWithObjRef(getIntObj(1)));
if (getIntValfromStackSlot(pop(stack)) == getIntValfromStackSlot(pop(stack))) push(stack,
stackSlotWithObjRef(
getIntObj(
1)));
else push(stack, stackSlotWithObjRef(getIntObj(0)));
break;
case LT:
@ -199,21 +210,21 @@ void execute(struct program program) {
if (debug == 1) printf("new i: %i\n", i);
break;
case DROP:
if(debug ==1) printf("drop\n");
if (debug == 1) printf("drop\n");
*stack.current = *stack.current - SIGN_EXTEND(IMMEDIATE(program.program[i]));
break;
case DUP:
if (debug==1) printf("dup\n");
if (debug == 1) printf("dup\n");
tempObj = pop(stack).u.objRef;
push(stack, stackSlotWithObjRef(tempObj));
push(stack, stackSlotWithObjRef(tempObj));
break;
case POPR:
if (debug==1) printf("popr") ;
if (debug == 1) printf("popr");
push(reg, pop(stack));
break;
case PUSHR:
if(debug == 1) printf("pushr");
if (debug == 1) printf("pushr");
push(stack, pop(reg));
break;
}
@ -267,7 +278,7 @@ int main(int argc, char *argv[]) {
} else if (strcmp(argv[i], "--stack") == 0) {
i++;
// TODO: implement stack size
} else if(strcmp(argv[i], "--heap") == 0) {
} else if (strcmp(argv[i], "--heap") == 0) {
i++;
// TODO: implement heap size
} else {

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njvm.o

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support.o

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