diff --git a/kernel/vortex_test.dump b/kernel/vortex_test.dump
index 0b18e6bf..17c18cca 100644
--- a/kernel/vortex_test.dump
+++ b/kernel/vortex_test.dump
@@ -5,14 +5,14 @@ vortex_test.elf:     file format elf32-littleriscv
 Disassembly of section .text:
 
 80000000 <_start>:
-80000000:	00200593          	li	a1,2
-80000004:	00000013          	nop
-80000008:	00000013          	nop
-8000000c:	00000013          	nop
-80000010:	00058613          	mv	a2,a1
-80000014:	00000013          	nop
-80000018:	00000013          	nop
-8000001c:	00000013          	nop
+80000000:	00800513          	li	a0,8
+80000004:	02051073          	csrw	0x20,a0
+80000008:	00400513          	li	a0,4
+8000000c:	02151073          	csrw	0x21,a0
+80000010:	f1401073          	csrw	mhartid,zero
+80000014:	30101073          	csrw	misa,zero
+80000018:	7ffff137          	lui	sp,0x7ffff
+8000001c:	0b9010ef          	jal	ra,800018d4 <main>
 80000020:	00000073          	ecall
 
 80000024 <vx_createThreads>:
@@ -28,7 +28,7 @@ Disassembly of section .text:
 80000038:	00755c63          	bge	a0,t2,80000050 <loop_done>
 
 8000003c <loop_body>:
-8000003c:	80010113          	addi	sp,sp,-2048
+8000003c:	80010113          	addi	sp,sp,-2048 # 7fffe800 <SIZE+0x7fffe7ce>
 80000040:	00050313          	mv	t1,a0
 80000044:	0003506b          	0x3506b
 
@@ -1693,13 +1693,19 @@ Disassembly of section .text:
 
 800018d4 <main>:
 800018d4:	ff010113          	addi	sp,sp,-16
-800018d8:	00812623          	sw	s0,12(sp)
-800018dc:	01010413          	addi	s0,sp,16
-800018e0:	00000793          	li	a5,0
-800018e4:	00078513          	mv	a0,a5
-800018e8:	00c12403          	lw	s0,12(sp)
-800018ec:	01010113          	addi	sp,sp,16
-800018f0:	00008067          	ret
+800018d8:	00112623          	sw	ra,12(sp)
+800018dc:	00812423          	sw	s0,8(sp)
+800018e0:	01010413          	addi	s0,sp,16
+800018e4:	ed5ff0ef          	jal	ra,800017b8 <initialize_mats>
+800018e8:	810267b7          	lui	a5,0x81026
+800018ec:	21c78513          	addi	a0,a5,540 # 8102621c <barrier_bool+0xffffcf58>
+800018f0:	f3dff0ef          	jal	ra,8000182c <print_matrix>
+800018f4:	00000793          	li	a5,0
+800018f8:	00078513          	mv	a0,a5
+800018fc:	00c12083          	lw	ra,12(sp)
+80001900:	00812403          	lw	s0,8(sp)
+80001904:	01010113          	addi	sp,sp,16
+80001908:	00008067          	ret
 
 Disassembly of section .rodata:
 
diff --git a/kernel/vortex_test.elf b/kernel/vortex_test.elf
index 6c907e0e..b186b4f3 100755
Binary files a/kernel/vortex_test.elf and b/kernel/vortex_test.elf differ
diff --git a/kernel/vortex_test.hex b/kernel/vortex_test.hex
index c38a0ea9..5fa7a125 100644
--- a/kernel/vortex_test.hex
+++ b/kernel/vortex_test.hex
@@ -1,6 +1,6 @@
 :0200000480007A
-:1000000093052000130000001300000013000000FF
-:100010001386050013000000130000001300000009
+:1000000013058000731005021305400073101502DC
+:10001000731040F17310103037F1FF7FEF10900B29
 :1000200073000000938B0600130D0700130F0100EF
 :100030009303050013051000635C75001301018034
 :10004000130305006B500300130515006FF0DFFE6E
@@ -396,9 +396,10 @@
 :1018A000938717002326F4FE0327C4FE9307F00F47
 :1018B000E3D2E7FAB707008113854714EFE09FF101
 :1018C000130000008320C1020324810213010103DD
-:1018D00067800000130101FF23268100130401012A
-:1018E00093070000138507000324C10013010101C1
-:0418F000678000000D
+:1018D00067800000130101FF2326110023248100EB
+:1018E00013040101EFF05FEDB76702811385C72193
+:1018F000EFF0DFF393070000138507008320C1009A
+:0C19000003248100130101016780000036
 :02000004810079
 :10000000300000003100000032000000330000002A
 :10001000340000003500000036000000370000000A
diff --git a/kernel/vx_main.c b/kernel/vx_main.c
index 8ba032f7..e35ae59a 100644
--- a/kernel/vx_main.c
+++ b/kernel/vx_main.c
@@ -41,14 +41,14 @@ int main()
 
 	// vx_print_hex(11);
 
-	// initialize_mats();
+	initialize_mats();
 
 	// matrix multiplication
 	// vx_sq_mat_mult(x, y, z, MAT_DIM);
 	// vx_print_str("\n\nMatrix multiplication\n");
 	// print_matrix(z);
 
-	// print_matrix(x);
+	print_matrix(x);
 
 	// // matrix addition
 	// vx_mat_add(x, y, z, NUM_ROWS, NUM_COLS);
diff --git a/kernel/vx_os/vx_back/vx_back.s b/kernel/vx_os/vx_back/vx_back.s
index c6295740..49597a5c 100644
--- a/kernel/vx_os/vx_back/vx_back.s
+++ b/kernel/vx_os/vx_back/vx_back.s
@@ -6,30 +6,23 @@
 .type _start, @function
 .global _start
 _start:
-    li a1, 2
-    nop
-    nop
-    nop
-    addi a2, a1, 0
-    nop
-    nop
-    nop
-    ecall
-    # li a0, 8          # Num Warps
-    # csrw 0x20, a0     # Setting the number of available warps 
-    # li a0, 4          # Num Threads
-    # csrw 0x21, a0     # Setting the number of available threads
-    # csrw mhartid,zero
-    # csrw misa,zero
-    # lui  sp, 0x7ffff
-    # # jal  vx_before_main
-    # jal  main
+    # li  a0, 7
+    # sw  a0, 0(zero)
+    # lw  a1, 0(zero)
     # ecall
+    li a0, 8          # Num Warps
+    csrw 0x20, a0     # Setting the number of available warps 
+    li a0, 4          # Num Threads
+    csrw 0x21, a0     # Setting the number of available threads
+    csrw mhartid,zero
+    csrw misa,zero
+    lui  sp, 0x7ffff
+    # jal  vx_before_main
+    jal  main
+    ecall
 
 # Hi:
 #     li a2, 7
-#     nop
-#     nop
 #     ret
 
 .type vx_createThreads, @function