Tex CSRs write support added

driver/tests/tex_demo/common.h

@@ -3,6 +3,8 @@
 
 #define KERNEL_ARG_DEV_MEM_ADDR 0x7ffff000
 
+// #include <vortex.h>
+
 struct kernel_arg_t {
   uint32_t num_tasks;
   uint32_t task_size;

driver/tests/tex_demo/demo.cpp

@@ -141,6 +141,7 @@ int main(int argc, char *argv[]) {
 
   kernel_arg.num_tasks = num_tasks;
   kernel_arg.task_size = count;
+  kernel_arg.device_ptr = device;
 
   std::cout << "dev_src0=" << std::hex << kernel_arg.src0_ptr << std::endl;
   std::cout << "dev_src1=" << std::hex << kernel_arg.src1_ptr << std::endl;

driver/tests/tex_demo/kernel.c

@@ -14,7 +14,9 @@ void kernel_body(int task_id, void* arg) {
 	unsigned u = 1;
 	unsigned v = 1;
 	unsigned t = 1;
-	
+
+	// vx_csr_set(_arg->device_ptr, 0, 0xfd0, 0xffd);
+
 	uint32_t offset = task_id * count;
 
 	for (uint32_t i = 0; i < count; ++i) {