Restructure

kernel/vx_os/vx_util/queue.s

@@ -0,0 +1,123 @@
+
+.equ A_WARPS, 7
+.equ SIZE, 50
+
+.section .text
+
+.type queue_initialize, @function
+.global queue_initialize
+queue_initialize:
+	mv t0, a0       # loading base address of q
+	li t1, 0       # to initialize variables
+	li t2, A_WARPS # Num of available warps
+	sw t1, 0 (t0)  # start_i
+	sw t1, 4 (t0)  # end_i
+	sw t1, 8 (t0)  # num_j
+	sw t2, 12(t0)  # total_warps
+	sw t1, 16(t0)  # active_warps
+	ret
+
+
+
+
+.type queue_enqueue, @function
+.global queue_enqueue
+queue_enqueue:
+	mv   t0, a0       # loding base address of q
+	lw   t1, 8 (t0)  # t1 = num_j
+	addi t1, t1, 1   # ++t1
+	sw   t1, 8 (t0)  # num_j = t1
+	addi t1, t0, 20  # t1 = jobs_addr
+	lw   t4, 4 (t0)  # t4 = end_i
+	slli t2, t4, 5   # index * 32 [log(sizeof(job))]
+	add  t1, t1, t2  # jobs + index
+	lw   t3, 0 (a1)  # wid
+	sw   t3, 0 (t1)  # 
+	lw   t3, 4 (a1)  # n_threads
+	sw   t3, 4 (t1)  # 
+	lw   t3, 8 (a1)  # base_sp
+	sw   t3, 8 (t1)  # 
+	lw   t3, 12(a1)  # func_ptr
+	sw   t3, 12(t1)  # 
+	lw   t3, 16(a1)  # args
+	sw   t3, 16(t1)  # 
+	lw   t3, 20(a1)  # assigned_warp
+	sw   t3, 20(t1)  # 
+	addi t4, t4, 1   # end_i++
+	li   t5, SIZE    # size
+	bne  t4, t5, ec  # if ((q.end_i + 1) == SIZE)
+	mv   t4, zero
+ec:
+	sw   t4, 4 (t0) # end_i
+	ret
+
+
+.type queue_dequeue, @function
+.global queue_dequeue
+
+queue_dequeue:
+	mv   t0, a0       # loading base address of q
+	lw   t1, 8 (t0)  # t1 = num_j
+	addi t1, t1, -1  # --t1
+	sw   t1, 8 (t0)  # num_j = t1
+	addi t1, t0, 20  # t1 = jobs_addr
+	lw   t4, 0 (t0)  # t4 = start_i
+	li   t6, SIZE    # size
+	mv   t5, t4      # t5 = start_i
+	addi t5, t5, 1   # t5++
+	bne  t5, t6, dc  # if ((q.start_i + 1) == SIZE)
+	mv   t5, zero
+dc:
+	sw   t5, 0(t0)   # storing start_i
+	slli t2, t4, 5   # index * 32 [log(sizeof(job))]
+	add  t1, t1, t2  # jobs + index
+	lw   t3, 0 (t1)  # wid
+	sw   t3, 0 (a1)  # 
+	lw   t3, 4 (t1)  # n_threads
+	sw   t3, 4 (a1)  # 
+	lw   t3, 8 (t1)  # base_sp
+	sw   t3, 8 (a1)  # 
+	lw   t3, 12(t1)  # func_ptr
+	sw   t3, 12(a1)  # 
+	lw   t3, 16(t1)  # args
+	sw   t3, 16(a1)  # 
+	lw   t3, 20(t1)  # assigned_warp
+	sw   t3, 20(a1)  # 
+	ret
+
+
+.type queue_isFull, @function
+.global queue_isFull
+queue_isFull:
+	mv   t0, a0       # loading base address of q
+	lw   t1, 8 (t0)  # t1 = num_j
+	mv   a0, zero    # ret_val = 0
+	li   t3, SIZE    # t3 = SIZE
+	bne  t3, t1, qf  # if (num_j == 1)
+	addi a0, a0, 1   # ret_val = 1;
+qf:
+	ret
+
+
+
+.type queue_isEmpty, @function
+.global queue_isEmpty
+queue_isEmpty:
+	mv   t0, a0       # loading base address of q
+	lw   t1, 8 (t0)  # t1 = num_j
+	mv   a0, zero    # ret_val = 0
+	mv   t3, zero    # t3 = 0
+	bne  t3, t1, qe  # if (num_j == 0)
+	addi a0, a0, 1   # ret_val = 1;
+qe:
+	ret
+
+
+.type queue_availableWarps, @function
+.global queue_availableWarps
+queue_availableWarps:
+	mv   t0, a0       # loading base address of q
+	lw   t1, 12(t0)  # t1 = total_warps
+	lw   t2, 16(t0)  # t2 = active_warps
+	sltu a0, t2, t1
+	ret