driver test kernel

driver/kernel/main.c

@@ -0,0 +1,65 @@
+#include "intrinsics/vx_intrinsics.h"
+#include "io/vx_io.h"
+#include "vx_api/vx_api.h"
+
+typedef struct
+{
+	unsigned * x;
+	unsigned * y;
+	unsigned * z;
+	unsigned   numColums;
+	unsigned   numRows;
+} mat_add_args_t;
+
+unsigned x[] = {5, 5, 5, 5,
+                6, 6, 6, 6,
+                7, 7, 7, 7,
+                8, 8, 8, 8};
+
+unsigned y[] = {1, 1, 1, 1,
+                1, 1, 1, 1,
+                1, 1, 1, 1,
+                1, 1, 1, 1};
+
+unsigned z[] = {0, 0, 0, 0,
+                0, 0, 0, 0,
+                0, 0, 0, 0,
+                0, 0, 0, 0};
+
+void mat_add_kernel(void * void_arguments)
+{
+	mat_add_args_t * arguments = (mat_add_args_t *) void_arguments;
+
+	unsigned wid = vx_warpID();
+	unsigned tid = vx_threadID();
+
+	bool valid = (wid < arguments->numRows) && (tid < arguments->numColums);
+
+	__if (valid)
+	{
+		unsigned index = (wid * arguments->numColums) + tid;
+		arguments->z[index] = arguments->x[index] + arguments->y[index];
+	}
+	__endif
+}
+
+int main()
+{
+	// Main is called with all threads active of warp 0
+	vx_tmc(1);
+
+	vx_print_str("Demo kernel\n");
+
+	mat_add_args_t arguments;
+	arguments.x         = x;
+	arguments.y         = y;
+	arguments.z         = z;
+	arguments.numColums = 4;
+	arguments.numRows   = 4;
+
+	vx_spawnWarps(4, 4, mat_add_kernel, &arguments);
+
+	vx_print_str("done.");
+
+	return 0;
+}