> > diff --git a/tools/libs/ctrl/Makefile b/tools/libs/ctrl/Makefile > index ef7362327f..848a8737c7 100644 > --- a/tools/libs/ctrl/Makefile > +++ b/tools/libs/ctrl/Makefile > @@ -3,6 +3,7 @@ include $(XEN_ROOT)/tools/Rules.mk > > SRCS-y += xc_altp2m.c > SRCS-y += xc_cpupool.c > +SRCS-y += xc_overlay.c
I think these entries are in alphabetical order > SRCS-y += xc_domain.c > SRCS-y += xc_evtchn.c > SRCS-y += xc_gnttab.c > diff --git a/tools/libs/ctrl/xc_overlay.c b/tools/libs/ctrl/xc_overlay.c > new file mode 100644 > index 0000000000..8fe780d75a > --- /dev/null > +++ b/tools/libs/ctrl/xc_overlay.c > @@ -0,0 +1,51 @@ > +/* > + * This blank line can be removed > + * Overlay control functions. > + * Copyright (C) 2021 Xilinx Inc. > + * Author Vikram Garhwal <fnu.vik...@xilinx.com> > + * > + * This library is free software; you can redistribute it and/or > + * modify it under the terms of the GNU Lesser General Public > + * License as published by the Free Software Foundation; > + * version 2.1 of the License. > + * > + * This library is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU > + * Lesser General Public License for more details. > + * > + * You should have received a copy of the GNU Lesser General Public > + * License along with this library; If not, see > <http://www.gnu.org/licenses/>. > + */ > + > +#include "xc_bitops.h" > +#include "xc_private.h" > +#include <xen/hvm/hvm_op.h> > +#include <libfdt.h> > + > +int xc_dt_overlay(xc_interface *xch, void *overlay_fdt, int overlay_fdt_size, > + uint8_t overlay_op) > +{ > + int err; > + DECLARE_SYSCTL; > + > + DECLARE_HYPERCALL_BOUNCE(overlay_fdt, overlay_fdt_size, > + XC_HYPERCALL_BUFFER_BOUNCE_IN); XC_HYPERCALL_BUFFER_BOUNCE_IN can stay at the same level of overlay_fdt
