gic_v3_redistributor.cc (14010:0e1e887507c0) gic_v3_redistributor.cc (14227:af80b8fab43b)
1/*
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 *
2 * Copyright (c) 2018 Metempsy Technology Consulting
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright

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725}
726
727void
728Gicv3Redistributor::sendSGI(uint32_t int_id, Gicv3::GroupId group, bool ns)
729{
730 assert(int_id < Gicv3::SGI_MAX);
731 Gicv3::GroupId int_group = getIntGroup(int_id);
732
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

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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
733 // asked for secure group 1
734 // configured as group 0
735 // send group 0
736 if (int_group == Gicv3::G0S && group == Gicv3::G1S) {
737 group = Gicv3::G0S;
738 }
745 bool forward = false;
739
746
740 if (group == Gicv3::G0S and int_group != Gicv3::G0S) {
741 return;
742 }
743
744 if (ns && distributor->DS == 0) {
747 if (ns) {
748 // Non-Secure EL1 and EL2 access
745 int nsaccess = irqNsacr[int_id];
749 int nsaccess = irqNsacr[int_id];
750 if (int_group == Gicv3::G0S) {
746
751
747 if ((int_group == Gicv3::G0S && nsaccess < 1) ||
748 (int_group == Gicv3::G1S && nsaccess < 2)) {
749 return;
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;
750 }
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);
751 }
752
766 }
767
768 if (!forward) return;
769
753 irqPending[int_id] = true;
754 DPRINTF(GIC, "Gicv3ReDistributor::sendSGI(): "
755 "int_id %d (SGI) pending bit set\n", int_id);
756 updateAndInformCPUInterface();
757}
758
759Gicv3::IntStatus
760Gicv3Redistributor::intStatus(uint32_t int_id) const

--- 316 unchanged lines hidden --- 		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

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