Add --enable-misaligned option for misaligned ld/st support

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

diff --git a/riscv/riscv.ac b/riscv/riscv.ac
index 335a0bfb2ba69ae97b4dbc92ff97f1e1645758f4..68bcdb55d17f175ca1c8a52a0d2df768375d475d 100644 (file)
--- a/riscv/riscv.ac
+++ b/riscv/riscv.ac
@@ -1,22 +1,44 @@
+AC_LANG_CPLUSPLUS
+
+AC_ARG_WITH(isa,
+       [AS_HELP_STRING([--with-isa=RV64IMAFDC],
+               [Sets the default RISC-V ISA])],
+  AC_DEFINE_UNQUOTED([DEFAULT_ISA], "$withval", [Default value for --isa switch]),
+  AC_DEFINE_UNQUOTED([DEFAULT_ISA], "RV64IMAFDC", [Default value for --isa switch]))
+
+AC_SEARCH_LIBS([dlopen], [dl dld], [], [
+  AC_MSG_ERROR([unable to find the dlopen() function])
+])
+
 AC_ARG_WITH([fesvr],
   [AS_HELP_STRING([--with-fesvr],
     [path to your fesvr installation if not in a standard location])],
   [
     LDFLAGS="-L$withval/lib $LDFLAGS"
-    CFLAGS="-I$withval/include $CFLAGS"
+    CPPFLAGS="-I$withval/include $CPPFLAGS"
   ]
 )
 
-AC_CHECK_LIB(fesvr, libfesvr_is_present, [], [AC_MSG_ERROR([libfesvr is required])])
+AC_CHECK_LIB(fesvr, libfesvr_is_present, [], [AC_MSG_ERROR([libfesvr is required])], [-pthread])
 
 AC_CHECK_LIB(pthread, pthread_create, [], [AC_MSG_ERROR([libpthread is required])])
 
-AC_ARG_ENABLE([fpu], AS_HELP_STRING([--disable-fpu], [Disable floating-point]))
-AS_IF([test "x$enable_fpu" != "xno"], [
-  AC_DEFINE([RISCV_ENABLE_FPU],,[Define if floating-point instructions are supported])
+AC_ARG_ENABLE([commitlog], AS_HELP_STRING([--enable-commitlog], [Enable commit log generation]))
+AS_IF([test "x$enable_commitlog" = "xyes"], [
+  AC_DEFINE([RISCV_ENABLE_COMMITLOG],,[Enable commit log generation])
+])
+
+AC_ARG_ENABLE([histogram], AS_HELP_STRING([--enable-histogram], [Enable PC histogram generation]))
+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])
 ])
 
-AC_ARG_ENABLE([64bit], AS_HELP_STRING([--disable-64bit], [Disable 64-bit mode]))
-AS_IF([test "x$enable_64bit" != "xno"], [
-  AC_DEFINE([RISCV_ENABLE_64BIT],,[Define if 64-bit mode is supported])
+AC_ARG_ENABLE([misaligned], AS_HELP_STRING([--enable-misaligned], [Enable hardware support for misaligned loads and stores]))
+AS_IF([test "x$enable_misaligned" = "xyes"], [
+  AC_DEFINE([RISCV_ENABLE_MISALIGNED],,[Enable hardware support for misaligned loads and stores])
 ])