Fix for Single-Threaded

runtime/mains/simple/Makefile

@@ -1,9 +1,9 @@
 
-COMP     = riscv32-unknown-elf-gcc
+COMP     = /opt/riscv-new/drops/bin/riscv32-unknown-elf-gcc
 CC_FLAGS = -march=rv32im -mabi=ilp32 -O0 -Wl,-Bstatic,-T,../vortex_link.ld -ffreestanding -nostdlib
 
-DMP  = riscv32-unknown-elf-objdump
-CPY  = riscv32-unknown-elf-objcopy
+DMP  = /opt/riscv-new/drops/bin/riscv32-unknown-elf-objdump
+CPY  = /opt/riscv-new/drops/bin/riscv32-unknown-elf-objcopy
 
 
 NEWLIB  = ../../newlib/newlib.c
@@ -13,7 +13,7 @@ VX_IO   = ../../io/vx_io.s ../../io/vx_io.c
 VX_API  = ../../vx_api/vx_api.c
 VX_TEST = ../../tests/tests.c
 VX_FIO  = ../../fileio/fileio.s
-LIBS    = ../../../../riscv-gnu-toolchain/drops/riscv32-unknown-elf/lib/libc.a ../../../../riscv-gnu-toolchain/drops/riscv32-unknown-elf/lib/libstdc++.a -static-libgcc -lgcc
+LIBS    = /opt/riscv-new/drops/riscv32-unknown-elf/lib/libc.a /opt/riscv-new/drops/riscv32-unknown-elf/lib/libstdc++.a -static-libgcc -lgcc
 
 VX_MAIN = vx_simple_main
 

runtime/mains/simple/vx_simple_main.c

@@ -52,6 +52,18 @@ int main()
 	// Main is called with all threads active of warp 0
 	vx_tmc(1);
 
+	vx_print_str("Let's start...\n");
+	unsigned what[36];
+	for (int i = 0; i < 36; i++)
+	{
+		what[i] = i;
+	}
+
+	for (int i = 0; i < 36; i++)
+	{
+		vx_printf("Value: ", what[i]);
+	}
+
 
 	vx_print_str("Simple Main\n");
 

runtime/startup/vx_start.s

@@ -20,22 +20,22 @@ _start:
     # Initialize SP
     # la sp, __stack_top
     la a1, vx_set_sp
-    li a0, 32
+    li a0, 4
     .word 0x00b5106b # wspawn a0(numWarps), a1(PC SPAWN)
     jal vx_set_sp
-    li a0, 1
-    .word 0x0005006b    # tmc 1
+    # li a0, 1
+    # .word 0x0005006b    # tmc 1
     # Initialize global pointerp
      # call __cxx_global_var_init
       # Clear the bss segment
-      la      a0, _edata
-      la      a2, _end
-      sub     a2, a2, a0
-      li      a1, 0
-      call    memset
-      la      a0, __libc_fini_array   # Register global termination functions
-      call    atexit                  #  to be called upon exit
-      call    __libc_init_array       # Run global initialization functions
+      # la      a0, _edata
+      # la      a2, _end
+      # sub     a2, a2, a0
+      # li      a1, 0
+      # call    memset
+      # la      a0, __libc_fini_array   # Register global termination functions
+      # call    atexit                  #  to be called upon exit
+      # call    __libc_init_array       # Run global initialization functions
       # li a0, 4
       # .word 0x0005006b    # tmc 4
       call    main
@@ -46,7 +46,7 @@ _start:
 .type vx_set_sp, @function
 .global vx_set_sp
 vx_set_sp:
-      li a0, 32
+      li a0, 4
       .word 0x0005006b    # tmc 4
       
       .option push
@@ -55,7 +55,7 @@ vx_set_sp:
         addi  gp, gp, %pcrel_lo(1b)
       .option pop
 
-      csrr a3, 0x21        # get wid
+      csrr a3, 0x22        # get wid
       slli a3, a3, 0x1a    # shift by wid
       csrr a2, 0x20        # get tid
       slli a1, a2, 10      # multiply tid by 1024

runtime/tests/tests.c

@@ -13,6 +13,7 @@ void test_tmc()
 	vx_tmc(4);
 
 	unsigned tid = vx_threadID(); // Get TID
+
 	tmc_array[tid] = tid;
 
 	vx_tmc(1);
@@ -85,6 +86,7 @@ void simple_kernel()
 
 	wsapwn_arr[wid] = wid;
 
+	wid = vx_warpID();
 	if (wid != 0)
 	{
 		vx_tmc(0);