Added runtime (kernel 2.0)

runtime/intrinsics/vx_intrinsics.h

@@ -0,0 +1,24 @@
+
+// Spawns Warps
+void vx_wspawn (unsigned numWarps, unsigned PC_spawn);
+
+// Changes thread mask (activated/deactivates threads)
+void vx_tmc    (unsigned numThreads);
+
+// Warp Barrier
+void vx_barrier(unsigned barriedID, unsigned numWarps);
+
+// split on a predicate
+void vx_split  (unsigned predicate);
+
+
+// Join
+void vx_join   (void);
+
+
+// Get Hardware thread ID
+unsigned vx_threadID(void);
+
+
+// Get hardware warp ID
+unsigned vx_warpID(void);

runtime/intrinsics/vx_intrinsics.s

@@ -0,0 +1,50 @@
+
+
+
+.section .text
+
+
+.type vx_wsapwn, @function
+.global vx_wsapwn
+vx_wsapwn:
+	.word 0x00b5106b # wspawn a0(numWarps), a1(PC SPAWN)
+	ret
+
+.type vx_tmc, @function
+.global vx_tmc
+vx_tmc:
+	.word 0x0005006b    # tmc a0
+	ret
+
+
+.type vx_barrier, @function
+.global vx_barrier
+vx_barrier:
+	.word 0x00b5406b # barrier a0(barrier id), a1(numWarps)
+	ret
+
+.type vx_split, @function
+.global vx_split
+vx_split:
+	.word 0x0005206b    # split a0
+
+.type vx_join, @function
+.global vx_join
+vx_join:
+	.word 0x0000306b    #join
+	ret
+
+
+.type vx_warpID, @function
+.global vx_warpID
+vx_warpID:
+	csrr a0, 0x21 # read warp IDs
+	ret
+
+
+.type vx_threadID, @function
+.global vx_threadID
+vx_threadID:
+	csrr a0, 0x20 # read thread IDs
+	ret
+