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https://github.com/Atmosphere-NX/Atmosphere.git
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57 lines
1.6 KiB
C
57 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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#pragma once
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#include "gicv2.h"
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#include "spinlock.h"
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#include "exceptions.h"
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#include "utils.h"
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typedef struct IrqManager {
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RecursiveSpinlock lock;
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ArmGicV2 gic;
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u8 numPriorityLevels;
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u8 numCpuInterfaces;
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u8 numSharedInterrupts;
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// Note: we don't store interrupt handlers since we will handle some SGI + uart interrupt(s)...
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} IrqManager;
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extern IrqManager g_irqManager;
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void initIrq(void);
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void handleIrqException(ExceptionStackFrame *frame, bool isLowerEl, bool isA32);
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static inline void generateSgiForAllOthers(u32 id)
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{
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g_irqManager.gic.gicd->sgir = (1 << 24) | (id & 0xF);
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}
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static inline void generateSgiForSelf(u32 id)
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{
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g_irqManager.gic.gicd->sgir = (2 << 24) | (id & 0xF);
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}
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static inline void generateSgiForList(u32 id, u32 list)
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{
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g_irqManager.gic.gicd->sgir = (0 << 24) | (list << 16) | (id & 0xF);
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}
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static inline void generateSgiForAll(u32 id)
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{
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generateSgiForList(id, MASK(g_irqManager.numCpuInterfaces));
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}
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