1/*
2 * Copyright (c) 2019 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
14 * Copyright (c) 2018 Metempsy Technology Consulting
15 * All rights reserved.
16 *
17 * Redistribution and use in source and binary forms, with or without
18 * modification, are permitted provided that the following conditions are
19 * met: redistributions of source code must retain the above copyright
20 * notice, this list of conditions and the following disclaimer;
21 * redistributions in binary form must reproduce the above copyright

--- 715 unchanged lines hidden (view full) ---

737}
738
739void
740Gicv3Redistributor::sendSGI(uint32_t int_id, Gicv3::GroupId group, bool ns)
741{
742 assert(int_id < Gicv3::SGI_MAX);
743 Gicv3::GroupId int_group = getIntGroup(int_id);
744
745 bool forward = false;
746
747 if (ns) {
748 // Non-Secure EL1 and EL2 access
749 int nsaccess = irqNsacr[int_id];
750 if (int_group == Gicv3::G0S) {
751
752 forward = distributor->DS || (nsaccess >= 1);
753
754 } else if (int_group == Gicv3::G1S) {
755 forward = ((group == Gicv3::G1S || group == Gicv3::G1NS ) &&
756 nsaccess == 2);
757 } else {
758 // G1NS
759 forward = group == Gicv3::G1NS;
760 }
761 } else {
762 // Secure EL1 and EL3 access
763 forward = (group == int_group) ||
764 (group == Gicv3::G1S && int_group == Gicv3::G0S &&
765 distributor->DS);
766 }
767
768 if (!forward) return;
769
770 irqPending[int_id] = true;
771 DPRINTF(GIC, "Gicv3ReDistributor::sendSGI(): "
772 "int_id %d (SGI) pending bit set\n", int_id);
773 updateAndInformCPUInterface();
774}
775
776Gicv3::IntStatus
777Gicv3Redistributor::intStatus(uint32_t int_id) const

--- 316 unchanged lines hidden ---