Merge pull request #7 from dhwanish-3/stage21+

Stage22 done
dhwanish-3 · Oct 20, 2023 · 6f07c1a · 6f07c1a
2 parents 1968899 + ab9af39
commit 6f07c1a
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Showing 27 changed files with 6,121 additions and 78 deletions.
diff --git a/Stage20/fork.spl b/Stage20/fork.spl
@@ -71,7 +71,7 @@ else
 
     multipop(R0, R1, R2, R3);
 
-    [PROCESS_MANAGER + newPID * 16 + 11] = R5;
+    [PROCESS_TABLE + newPID * 16 + 11] = R5;
 
     // initialization per process resourse table child
     alias i R4;

diff --git a/Stage20/fork.xsm b/Stage20/fork.xsm
@@ -98,32 +98,30 @@ JMP _L4
 _L3:
 _L4:
 MOV R16, 29696
-MOV R17, R2
-MUL R17, 20
+MOV R17, 20
+MUL R17, R2
 ADD R16, R17
-MOV R4, R16
+MOV R3, R16
 PUSH R0
 PUSH R1
 PUSH R2
 PUSH R3
-PUSH R4
 MOV R1, 1
 CALL 22528
-MOV R16, R4
+MOV R16, R3
 ADD R16, 16
 MOV [R16], R0
-MOV R16, R4
+MOV R16, R3
 ADD R16, 17
 MOV [R16], "0110"
 MOV R1, 1
 CALL 22528
-MOV R16, R4
+MOV R16, R3
 ADD R16, 18
 MOV [R16], R0
-MOV R16, R4
+MOV R16, R3
 ADD R16, 19
 MOV [R16], "0110"
-POP R4
 POP R3
 POP R2
 POP R1
@@ -235,11 +233,9 @@ PUSH R0
 PUSH R1
 PUSH R2
 PUSH R3
-PUSH R4
 MOV R1, 1
 CALL 22528
 MOV R5, R0
-POP R4
 POP R3
 POP R2
 POP R1
@@ -252,10 +248,10 @@ ADD R16, 11
 MOV [R16], R5
 MOV R16, 512
 SUB R16, 16
-MOV R3, R16
+MOV R4, R16
 _L5:
 MOV R16, 512
-GT R16, R3
+GT R16, R4
 JZ R16, _L6
 MOV R16, 28672
 MOV R17, R2
@@ -264,7 +260,7 @@ ADD R16, R17
 ADD R16, 11
 MOV R16, [R16]
 MUL R16, 512
-ADD R16, R3
+ADD R16, R4
 MOV R17, 28672
 MOV R18, 29560
 ADD R18, 1
@@ -274,71 +270,71 @@ ADD R17, R18
 ADD R17, 11
 MOV R17, [R17]
 MUL R17, 512
-ADD R17, R3
+ADD R17, R4
 MOV R17, [R17]
 MOV [R16], R17
-MOV R16, R3
+MOV R16, R4
 ADD R16, 1
-MOV R3, R16
+MOV R4, R16
 JMP _L5
 _L6:
-MOV R3, 0
+MOV R4, 0
 _L7:
 MOV R16, 10
-GT R16, R3
+GT R16, R4
 JZ R16, _L8
 MOV R16, 30032
-MOV R17, R2
-MUL R17, 10
+MOV R17, 10
+MUL R17, R2
 ADD R16, R17
-ADD R16, R3
+ADD R16, R4
 MOV R17, 30032
 MOV R18, 29560
 ADD R18, 1
 MOV R18, [R18]
 MUL R18, 10
 ADD R17, R18
-ADD R17, R3
+ADD R17, R4
 MOV R17, [R17]
 MOV [R16], R17
-MOV R16, R3
+MOV R16, R4
 ADD R16, 1
-MOV R3, R16
+MOV R4, R16
 JMP _L7
 _L8:
-MOV R3, 0
+MOV R4, 0
 _L9:
 MOV R16, 16
-GT R16, R3
+GT R16, R4
 JZ R16, _L10
-MOV R16, R4
-ADD R16, R3
+MOV R16, R3
+ADD R16, R4
 MOV R17, PTBR
-ADD R17, R3
+ADD R17, R4
 MOV R17, [R17]
 MOV [R16], R17
-MOV R16, R4
-ADD R16, R3
+MOV R16, R3
+ADD R16, R4
 ADD R16, 1
 MOV R17, PTBR
-ADD R17, R3
+ADD R17, R4
 ADD R17, 1
 MOV R17, [R17]
 MOV [R16], R17
-MOV R16, R4
-ADD R16, R3
+MOV R16, R3
+ADD R16, R4
 MOV R16, [R16]
 MOV R17, -1
 NE R16, R17
 JZ R16, _L11
 MOV R16, 29184
-MOV R17, R4
-ADD R17, R3
+MOV R17, R3
+ADD R17, R4
 MOV R17, [R17]
 ADD R16, R17
 MOV R17, 29184
-MOV R18, R4
-ADD R18, R3
+MOV R18, R3
+ADD R18, R4
 MOV R18, [R18]
 ADD R17, R18
 MOV R17, [R17]
@@ -347,61 +343,61 @@ MOV [R16], R17
 JMP _L12
 _L11:
 _L12:
-MOV R16, R3
+MOV R16, R4
 ADD R16, 2
-MOV R3, R16
+MOV R4, R16
 JMP _L9
 _L10:
 MOV R16, PTBR
 ADD R16, 16
 MOV R16, [R16]
 MOV R5, R16
-MOV R16, R4
+MOV R16, R3
 ADD R16, 16
 MOV R16, [R16]
 MOV R6, R16
-MOV R3, 0
+MOV R4, 0
 _L13:
 MOV R16, 512
-GT R16, R3
+GT R16, R4
 JZ R16, _L14
 MOV R16, R6
 MUL R16, 512
-ADD R16, R3
+ADD R16, R4
 MOV R17, R5
 MUL R17, 512
-ADD R17, R3
+ADD R17, R4
 MOV R17, [R17]
 MOV [R16], R17
-MOV R16, R3
+MOV R16, R4
 ADD R16, 1
-MOV R3, R16
+MOV R4, R16
 JMP _L13
 _L14:
 MOV R16, PTBR
 ADD R16, 18
 MOV R16, [R16]
 MOV R5, R16
-MOV R16, R4
+MOV R16, R3
 ADD R16, 18
 MOV R16, [R16]
 MOV R6, R16
-MOV R3, 0
+MOV R4, 0
 _L15:
 MOV R16, 512
-GT R16, R3
+GT R16, R4
 JZ R16, _L16
 MOV R16, R6
 MUL R16, 512
-ADD R16, R3
+ADD R16, R4
 MOV R17, R5
 MUL R17, 512
-ADD R17, R3
+ADD R17, R4
 MOV R17, [R17]
 MOV [R16], R17
-MOV R16, R3
+MOV R16, R4
 ADD R16, 1
-MOV R3, R16
+MOV R4, R16
 JMP _L15
 _L16:
 MOV R16, 28672
@@ -438,7 +434,7 @@ MOV R17, R0
 SUB R17, 1
 DIV R17, 512
 MUL R16, R17
-ADD R16, R4
+ADD R16, R3
 MOV R16, [R16]
 MUL R16, 512
 MOV R17, R0

diff --git a/Stage22/Assgn1/test4.expl b/Stage22/Assgn1/test4.expl
@@ -0,0 +1,83 @@
+type
+Share
+{
+  int isempty;
+  int data;
+}
+endtype
+
+decl
+  Share head;
+enddecl
+
+int main()
+{
+decl
+  int temp, x, pidone, pidtwo, semid, iter, counter;
+enddecl
+
+begin
+  x = exposcall("Heapset");
+  semid = exposcall("Semget");
+  head = exposcall("Alloc", 2);
+  head.isempty = 1;
+  pidone = exposcall("Fork");
+
+  if (pidone == 0) then
+    iter = 1;
+    while(iter <= 100) do
+      temp = exposcall("SemLock", semid);
+      temp = head.isempty;
+
+      if(temp == 1) then
+        head.data = iter;
+        head.isempty = 0;
+        iter = iter + 2;
+      endif;
+
+      temp = exposcall("SemUnLock", semid);
+
+      counter = 0;
+      while(counter < 50) do
+        counter = counter + 1;
+      endwhile;
+    endwhile;
+  else
+    pidtwo =  exposcall("Fork");
+
+    if(pidtwo == 0) then
+      iter = 2;
+      while(iter <= 100) do
+        temp = exposcall("SemLock", semid);
+        temp = head.isempty;
+
+        if(temp == 1) then
+          head.data = iter;
+          head.isempty = 0;
+          iter = iter + 2;
+        endif;
+
+        temp = exposcall("SemUnLock", semid);
+      endwhile;
+    else
+      iter = 1;
+      while(iter <= 100) do
+        temp = exposcall("SemLock", semid);
+        temp = head.isempty;
+
+        if(temp == 0) then
+          x = head.data;
+          head.isempty = 1;
+          temp = exposcall("Write", -2, x);
+          iter = iter + 1;
+        endif;
+
+        temp = exposcall("SemUnLock", semid);
+      endwhile;
+    endif;
+  endif;
+
+  temp = exposcall("Semrelease", semid);
+  return 0;
+end
+}