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https://github.com/Atmosphere-NX/Atmosphere.git
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41 lines
1.7 KiB
C++
41 lines
1.7 KiB
C++
/*
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* Copyright (c) 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_loader_uncompress.hpp"
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#include "program_lz4.h"
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#include "boot_code_lz4.h"
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namespace ams::secmon::loader {
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NORETURN void UncompressAndExecute(const void *program, const void *boot_code) {
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/* Uncompress the program image. */
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Uncompress(secmon::MemoryRegionPhysicalTzramFullProgramImage.GetPointer(), secmon::MemoryRegionPhysicalTzramFullProgramImage.GetSize(), program, program_lz4_size);
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/* Copy the boot image to the end of IRAM */
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u8 *relocated_boot_code = secmon::MemoryRegionPhysicalIramBootCodeImage.GetEndPointer<u8>() - boot_code_lz4_size;
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std::memcpy(relocated_boot_code, boot_code, boot_code_lz4_size);
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/* Uncompress the boot image. */
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Uncompress(secmon::MemoryRegionPhysicalIramBootCodeImage.GetPointer(), secmon::MemoryRegionPhysicalIramBootCodeImage.GetSize(), relocated_boot_code, boot_code_lz4_size);
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/* Jump to the boot image. */
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reinterpret_cast<void (*)()>(secmon::MemoryRegionPhysicalIramBootCodeImage.GetAddress())();
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/* We will never reach this point. */
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__builtin_unreachable();
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}
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} |