Make HW setting of PTE A/D bits optional (by configure arg)

[riscv-isa-sim.git] / riscv / riscv.ac

diff --git a/riscv/riscv.ac b/riscv/riscv.ac
index 7b48be64d800bf9b6fd914004909431226e7609c..a09926943469fcc300b7e7a29c9cba63521ccf9b 100644 (file)
--- a/riscv/riscv.ac
+++ b/riscv/riscv.ac
@@ -32,3 +32,8 @@ AC_ARG_ENABLE([histogram], AS_HELP_STRING([--enable-histogram], [Enable PC histo
 AS_IF([test "x$enable_histogram" = "xyes"], [
   AC_DEFINE([RISCV_ENABLE_HISTOGRAM],,[Enable PC histogram generation])
 ])
+
+AC_ARG_ENABLE([dirty], AS_HELP_STRING([--enable-dirty], [Enable hardware management of PTE accessed and dirty bits]))
+AS_IF([test "x$enable_dirty" = "xyes"], [
+  AC_DEFINE([RISCV_ENABLE_DIRTY],,[Enable hardware management of PTE accessed and dirty bits])
+])