added working paging small kernel

Tests/isa/Cprograms/test.S

@@ -0,0 +1,25 @@
+#include "riscv_test.h"
+#include "test_macros.h"
+
+RVTEST_RV64U        # Define TVM used by program.
+
+# Test code region.
+RVTEST_CODE_BEGIN   # Start of test code.
+        RVTEST_PASS           # Signal success.
+fail:
+        RVTEST_FAIL
+RVTEST_CODE_END     # End of test code.
+
+# Input data section.
+# This section is optional, and this data is NOT saved in the output.
+.data
+        .align 3
+testdata:
+        .dword 41
+
+# Output data section.
+RVTEST_DATA_BEGIN   # Start of test output data region.
+        .align 3
+result:
+        .dword -1
+RVTEST_DATA_END     # End of test output data region.