Move other tools to tools/

tools/csrtool.c

@@ -0,0 +1,34 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+int main(int argc, char *argv[])
+{
+	/* Print */
+	if (argc > 1) {
+		// Wait for all memory operations to finish
+		__asm__ volatile ("fence");
+
+		if (strcmp(argv[1], "mem-in-order") == 0) {
+			__asm__ volatile ("fence");
+			__asm__ volatile ("csrwi  0x801, 2");
+		} else if (strcmp(argv[1], "all-in-order") == 0) {
+			__asm__ volatile ("fence");
+			__asm__ volatile ("csrwi  0x801, 7");
+		} else if (strcmp(argv[1], "all-out-of-order") == 0) {
+			__asm__ volatile ("fence");
+			__asm__ volatile ("csrwi  0x801, 0");
+		} else {
+			fprintf(stderr, "unknown '%s', use: mem-in-order, all-in-order or all-out-of-order\n", argv[1]);
+			exit(1);
+		}
+	}
+
+	// Wait for all memory operations to finish
+	__asm__ volatile ("fence");
+	unsigned result;
+	asm("csrr %0, 0x801" : "=r"(result) : );
+	printf("CSR 0x801 = %xu\n", result);
+
+	return 0;
+}