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Atmosphere/libraries/libexosphere/source/hw/hw_cache.arch.arm64.cpp
2021-09-06 16:26:50 -07:00

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/*
* Copyright (c) 2018-2020 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <exosphere.hpp>
namespace ams::hw::arch::arm64 {
void FlushDataCache(const void *ptr, size_t size) {
const uintptr_t start = reinterpret_cast<uintptr_t>(ptr);
const uintptr_t end = util::AlignUp(start + size, hw::DataCacheLineSize);
for (uintptr_t cur = start; cur < end; cur += hw::DataCacheLineSize) {
FlushDataCacheLine(reinterpret_cast<void *>(cur));
}
}
void InvalidateDataCache(const void *ptr, size_t size) {
const uintptr_t start = reinterpret_cast<uintptr_t>(ptr);
const uintptr_t end = util::AlignUp(start + size, hw::DataCacheLineSize);
for (uintptr_t cur = start; cur < end; cur += hw::DataCacheLineSize) {
InvalidateDataCacheLine(reinterpret_cast<void *>(cur));
}
}
}