mirror of
https://github.com/Atmosphere-NX/Atmosphere
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61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
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/*
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* Copyright (c) 2019 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <string.h>
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#include "data_abort.h"
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#include "sysreg.h"
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#include "debug_log.h"
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#include "irq.h"
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// Lower el
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void dumpUnhandledDataAbort(DataAbortIss dabtIss, u64 far, const char *msg)
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{
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DEBUG("Unhandled");
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DEBUG(" %s ", msg);
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DEBUG("%s at ", dabtIss.wnr ? "write" : "read");
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if (dabtIss.fnv) {
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DEBUG("<unk>");
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} else {
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DEBUG("%016llx", far);
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}
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if (dabtIss.isv) {
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DEBUG(" size %u Rt=%u", BIT(dabtIss.sas), dabtIss.srt);
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}
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DEBUG("\n");
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}
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void handleLowerElDataAbortException(ExceptionStackFrame *frame, ExceptionSyndromeRegister esr)
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{
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DataAbortIss dabtIss;
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memcpy(&dabtIss, &esr, 4);
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u64 far = GET_SYSREG(far_el2);
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if (!dabtIss.isv || dabtIss.fnv) {
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dumpUnhandledDataAbort(dabtIss, far, "");
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}
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// TODO
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if ((far & ~0xFFFull) == (uintptr_t)g_irqManager.gic.gicd) {
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// TODO
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}
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dumpUnhandledDataAbort(dabtIss, far, "(fallback)");
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}
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