AS_IF([test "x$enable_dirty" = "xyes"], [
AC_DEFINE([RISCV_ENABLE_DIRTY],,[Enable hardware management of PTE accessed and dirty bits])
])
+
+AC_ARG_ENABLE([misaligned], AS_HELP_STRING([--enable-misaligned], [Enable hardware support for misaligned loads and stores]))
+AS_IF([test "x$enable_misaligned" = "xyes"], [
+ AC_DEFINE([RISCV_ENABLE_MISALIGNED],,[Enable hardware support for misaligned loads and stores])
+])