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-rw-r--r--configure.ac10
-rw-r--r--src/netbsd_pci.c15
2 files changed, 25 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 3441b63..537cfe3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -108,7 +108,17 @@ AC_SYS_LARGEFILE
AC_CHECK_HEADERS([err.h])
+if test "x$netbsd" = xyes; then
+AC_CHECK_HEADERS([machine/sysarch.h])
+AC_CHECK_HEADERS([machine/mtrr.h], [have_mtrr_h="yes"], [have_mtrr_h="no"],
+[#ifdef HAVE_MACHINE_SYSARCH_H
+#include <sys/types.h>
+#include <machine/sysarch.h>
+#endif
+])
+else
AC_CHECK_HEADER([asm/mtrr.h], [have_mtrr_h="yes"], [have_mtrr_h="no"])
+fi
if test "x$have_mtrr_h" = xyes; then
AC_DEFINE(HAVE_MTRR, 1, [Use MTRRs on mappings])
diff --git a/src/netbsd_pci.c b/src/netbsd_pci.c
index c9bd052..295e927 100644
--- a/src/netbsd_pci.c
+++ b/src/netbsd_pci.c
@@ -21,10 +21,25 @@
#include <sys/mman.h>
#include <sys/types.h>
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
#ifdef HAVE_MTRR
#include <machine/sysarch.h>
#include <machine/mtrr.h>
+#ifdef _X86_SYSARCH_L
+/* NetBSD 5.x and newer */
#define netbsd_set_mtrr(mr, num) _X86_SYSARCH_L(set_mtrr)(mr, num)
+#else
+/* NetBSD 4.x and older */
+#ifdef __i386__
+#define netbsd_set_mtrr(mr, num) i386_set_mtrr((mr), (num))
+#endif
+#ifdef __amd64__
+#define netbsd_set_mtrr(mr, num) x86_64_set_mtrr((mr), (num))
+#endif
+#endif
#endif
#include <dev/pci/pcidevs.h>