Remove --enable-dirty compile option

config.h.in

@@ -99,9 +99,6 @@
 /* Define if subproject MCPPBS_SPROJ_NORM is enabled */
 #undef RISCV_ENABLED
 
-/* Enable hardware management of PTE accessed and dirty bits */
-#undef RISCV_ENABLE_DIRTY
-
 /* Enable support for running target in either endianness */
 #undef RISCV_ENABLE_DUAL_ENDIAN
 

configure

@@ -1359,8 +1359,6 @@ Optional Features:
   --enable-stow           Enable stow-based install
   --enable-optional-subprojects
                           Enable all optional subprojects
-  --enable-dirty          Enable hardware management of PTE accessed and dirty
-                          bits
   --enable-dual-endian    Enable support for running target in either
                           endianness
 
@@ -6046,20 +6044,6 @@ else
   as_fn_error $? "libpthread is required" "$LINENO" 5
 fi
 
-
-# Check whether --enable-dirty was given.
-if test "${enable_dirty+set}" = set; then :
-  enableval=$enable_dirty;
-fi
-
-if test "x$enable_dirty" = "xyes"; then :
-
-
-$as_echo "#define RISCV_ENABLE_DIRTY /**/" >>confdefs.h
-
-
-fi
-
 # Check whether --enable-dual-endian was given.
 if test "${enable_dual_endian+set}" = set; then :
   enableval=$enable_dual_endian;

riscv/riscv.ac

@@ -39,11 +39,6 @@ AC_SEARCH_LIBS([dlopen], [dl dld], [
 
 AC_CHECK_LIB(pthread, pthread_create, [], [AC_MSG_ERROR([libpthread is required])])
 
-AC_ARG_ENABLE([dirty], AS_HELP_STRING([--enable-dirty], [Enable hardware management of PTE accessed and dirty bits]))
-AS_IF([test "x$enable_dirty" = "xyes"], [
-  AC_DEFINE([RISCV_ENABLE_DIRTY],,[Enable hardware management of PTE accessed and dirty bits])
-])
-
 AC_ARG_ENABLE([dual-endian], AS_HELP_STRING([--enable-dual-endian], [Enable support for running target in either endianness]))
 AS_IF([test "x$enable_dual_endian" = "xyes"], [
   AC_DEFINE([RISCV_ENABLE_DUAL_ENDIAN],,[Enable support for running target in either endianness])