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https://github.com/Atmosphere-NX/Atmosphere.git
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41 lines
1.5 KiB
C++
41 lines
1.5 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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#include <exosphere.hpp>
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#include "../secmon_error.hpp"
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#include "../secmon_setup.hpp"
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#include "secmon_smc_carveout.hpp"
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namespace ams::secmon::smc {
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SmcResult SmcSetKernelCarveoutRegion(SmcArguments &args) {
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/* Decode arguments. */
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const int index = args.r[1];
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const uintptr_t address = args.r[2];
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const size_t size = args.r[3];
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/* Validate arguments. */
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SMC_R_UNLESS(0 <= index && index < KernelCarveoutCount, InvalidArgument);
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SMC_R_UNLESS(util::IsAligned(address, 128_KB), InvalidArgument);
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SMC_R_UNLESS(util::IsAligned(size, 128_KB), InvalidArgument);
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SMC_R_UNLESS(size <= CarveoutSizeMax, InvalidArgument);
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/* Set the carveout. */
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SetKernelCarveoutRegion(index, address, size);
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return SmcResult::Success;
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}
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}
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