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https://github.com/Atmosphere-NX/Atmosphere-libs.git
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59 lines
2.0 KiB
C++
59 lines
2.0 KiB
C++
/*
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* Copyright (c) 2018-2020 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 <mesosphere/kern_common.hpp>
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#include <mesosphere/kern_select_interrupt_name.hpp>
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#if defined(ATMOSPHERE_ARCH_ARM64)
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#include <mesosphere/arch/arm64/kern_k_interrupt_manager.hpp>
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namespace ams::kern {
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using ams::kern::arch::arm64::KInterruptManager;
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}
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#else
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#error "Unknown architecture for KInterruptManager"
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#endif
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namespace ams::kern {
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/* Enable or disable interrupts for the lifetime of an object. */
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class KScopedInterruptDisable {
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NON_COPYABLE(KScopedInterruptDisable);
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NON_MOVEABLE(KScopedInterruptDisable);
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private:
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u32 m_prev_intr_state;
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public:
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ALWAYS_INLINE KScopedInterruptDisable() : m_prev_intr_state(KInterruptManager::DisableInterrupts()) { /* ... */ }
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ALWAYS_INLINE ~KScopedInterruptDisable() { KInterruptManager::RestoreInterrupts(m_prev_intr_state); }
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};
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class KScopedInterruptEnable {
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NON_COPYABLE(KScopedInterruptEnable);
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NON_MOVEABLE(KScopedInterruptEnable);
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private:
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u32 m_prev_intr_state;
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public:
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ALWAYS_INLINE KScopedInterruptEnable() : m_prev_intr_state(KInterruptManager::EnableInterrupts()) { /* ... */ }
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ALWAYS_INLINE ~KScopedInterruptEnable() { KInterruptManager::RestoreInterrupts(m_prev_intr_state); }
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};
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}
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