diff --git a/ChangeLog b/ChangeLog
index 6cf11a6..92d8d80 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,14 @@
 2009-08-23  Vladimir Serbinenko  <address@hidden>
 
+	Support --no-smp and --no-acpi for NetBSD.
+
+	* include/grub/i386/bsd.h (NETBSD_AB_NOSMP): New definition.
+	(NETBSD_AB_NOACPI): Likewise.
+	* loader/i386/bsd.c (netbsd_opts): New entries no-smp and no-acpi.
+	(netbsd_flags): Add NETBSD_AB_NOSMP, NETBSD_AB_NOACPI.
+
+2009-08-23  Vladimir Serbinenko  <address@hidden>
+
 	* loader/i386/bsd.c (freebsd_opts): Rewritten to use extcmd.
 	(openbsd_opts): Likewise.
 	(netbsd_opts): Likewise.
diff --git a/include/grub/i386/bsd.h b/include/grub/i386/bsd.h
index 117ed5c..f39fc9d 100644
--- a/include/grub/i386/bsd.h
+++ b/include/grub/i386/bsd.h
@@ -189,6 +189,8 @@ struct grub_openbsd_bootargs
 #define NETBSD_AB_VERBOSE	(1 << 17) /* boot verbosely */
 #define NETBSD_AB_SILENT	(1 << 18) /* boot silently */
 #define NETBSD_AB_DEBUG		(1 << 19) /* boot with debug messages */
+#define NETBSD_AB_NOSMP		(1 << 28) /* Boot without SMP support.  */
+#define NETBSD_AB_NOACPI        (1 << 29) /* Boot without ACPI support.  */
 
 struct grub_netbsd_bootinfo
 {
diff --git a/loader/i386/bsd.c b/loader/i386/bsd.c
index d5f677a..10b92e3 100644
--- a/loader/i386/bsd.c
+++ b/loader/i386/bsd.c
@@ -103,6 +103,8 @@ static const grub_uint32_t openbsd_flags[] =
 
 static const struct grub_arg_option netbsd_opts[] =
   {
+    {"no-smp", '1', 0, "Disable SMP.", 0, 0},
+    {"no-acpi", '2', 0, "Disable ACPI.", 0, 0},
     {"askname", 'a', 0, "Ask for file name to reboot from.", 0, 0},
     {"halt", 'b', 0, "Don't reboot, just halt.", 0, 0},
     {"config", 'c', 0, "Change configured devices.", 0, 0},
@@ -118,10 +120,10 @@ static const struct grub_arg_option netbsd_opts[] =
 
 static const grub_uint32_t netbsd_flags[] =
 {
-  NETBSD_RB_ASKNAME, NETBSD_RB_HALT, NETBSD_RB_USERCONFIG,
-  NETBSD_RB_KDB, NETBSD_RB_MINIROOT, NETBSD_AB_QUIET,
-  NETBSD_RB_SINGLE, NETBSD_AB_VERBOSE, NETBSD_AB_DEBUG,
-  NETBSD_AB_SILENT, 0
+  NETBSD_AB_NOSMP, NETBSD_AB_NOACPI, NETBSD_RB_ASKNAME,
+  NETBSD_RB_HALT, NETBSD_RB_USERCONFIG, NETBSD_RB_KDB,
+  NETBSD_RB_MINIROOT, NETBSD_AB_QUIET, NETBSD_RB_SINGLE,
+  NETBSD_AB_VERBOSE, NETBSD_AB_DEBUG, NETBSD_AB_SILENT, 0
 };
 
 static void