diff --git a/sys/boot/sparc64/loader/Makefile b/sys/boot/sparc64/loader/Makefile
index 16f758d8afd5..cb7a8fa0d21c 100644
--- a/sys/boot/sparc64/loader/Makefile
+++ b/sys/boot/sparc64/loader/Makefile
@@ -16,6 +16,8 @@ LOADER_CD9660_SUPPORT?=	yes
 LOADER_NET_SUPPORT?=	yes
 LOADER_NFS_SUPPORT?=	yes
 LOADER_TFTP_SUPPORT?=	yes
+LOADER_GZIP_SUPPORT?=	yes
+LOADER_BZIP2_SUPPORT?=	no
 
 .if ${LOADER_DISK_SUPPORT} == "yes"
 CFLAGS+=	-DLOADER_DISK_SUPPORT
@@ -26,6 +28,12 @@ CFLAGS+=	-DLOADER_UFS_SUPPORT
 .if ${LOADER_CD9660_SUPPORT} == "yes"
 CFLAGS+=	-DLOADER_CD9660_SUPPORT
 .endif
+.if ${LOADER_GZIP_SUPPORT} == "yes"
+CFLAGS+=	-DLOADER_GZIP_SUPPORT
+.endif
+.if ${LOADER_BZIP2_SUPPORT} == "yes"
+CFLAGS+=	-DLOADER_BZIP2_SUPPORT
+.endif
 .if ${LOADER_NET_SUPPORT} == "yes"
 CFLAGS+=	-DLOADER_NET_SUPPORT
 .endif
diff --git a/sys/boot/sparc64/loader/main.c b/sys/boot/sparc64/loader/main.c
index 29f92da0504c..43e3c77ed4ef 100644
--- a/sys/boot/sparc64/loader/main.c
+++ b/sys/boot/sparc64/loader/main.c
@@ -107,6 +107,12 @@ struct fs_ops *file_system[] = {
 #ifdef LOADER_CD9660_SUPPORT
 	&cd9660_fsops,
 #endif
+#ifdef LOADER_GZIP_SUPPORT
+	&zipfs_fsops,
+#endif
+#ifdef LOADER_BZIP2_SUPPORT
+	&bzipfs_fsops,
+#endif
 #ifdef LOADER_NET_SUPPORT
 	&nfs_fsops,
 #endif