before queue integration

src/riscv_gpgpu/lib/queue.c

@@ -0,0 +1,126 @@
+
+#include "queue.h"
+
+unsigned x[] = {1, 1,  6, 0, 3, 1, 1, 2, 0, 3, 6, 7, 5, 7, 7, 9};
+unsigned y[] = {0, 2,  2, 0, 5, 0, 1, 1, 4, 2, 0, 0, 3, 2, 3, 2};
+unsigned z[] = {0, 0,  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+
+int main() 
+{ 
+
+    Job j;
+    j.func_ptr = (unsigned) func;
+    j.x        = x;
+    j.y        = y;
+    j.z        = z;
+
+    enqueue(j);
+    enqueue(j);
+    enqueue(j);
+    enqueue(j);
+    enqueue(j);
+    enqueue(j);
+    j = dequeue();
+    j = dequeue();
+    enqueue(j);
+    enqueue(j);
+
+    if (!isFull())
+    {
+        enqueue(j);
+    }
+
+    if (!isFull())
+    {
+        enqueue(j);
+    }
+
+    if (!isFull())
+    {
+        enqueue(j);
+    }
+
+
+    if (!isFull())
+    {
+        enqueue(j);
+    }
+
+    if (!isFull())
+    {
+        enqueue(j);
+    }
+
+    if (!isFull())
+    {
+        enqueue(j);
+    }
+
+
+
+    dequeue();
+    dequeue();
+    dequeue();
+    dequeue();
+    dequeue();
+    dequeue();
+    dequeue();
+    dequeue();
+    dequeue();
+    dequeue();
+
+
+
+    return 0; 
+} 
+  
+void initialize_queue(void)
+{
+    q.start_i = 0;
+    q.end_i   = 0;
+    q.num_j   = 0;
+}
+
+void enqueue(Job j)
+{
+    q.num_j++;
+    q.jobs[q.end_i] = j;
+    if ((q.end_i + 1) < SIZE)
+    {
+        q.end_i++;
+    }
+    else
+    {
+        q.end_i = 0;
+    }
+
+}
+
+Job dequeue(void)
+{
+    q.num_j--;
+    Job j = q.jobs[q.start_i];
+    if ((q.start_i + 1) < SIZE)
+    {
+        q.start_i++;
+    }
+    else
+    {
+        q.start_i = 0;
+    }
+}
+
+int isFull(void)
+{
+    return (q.num_j == SIZE);
+}
+
+int isEmpty(void)
+{
+    return (q.num_j == 0);
+}
+
+void func()
+{
+
+}