mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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118 lines
3.9 KiB
C++
118 lines
3.9 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 "fusee_display.hpp"
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#include "sein/fusee_secure_initialize.hpp"
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#include "sdram/fusee_sdram.hpp"
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#include "mtc/fusee_mtc.hpp"
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#include "fs/fusee_fs_api.hpp"
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#include "fusee_overlay_manager.hpp"
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#include "fusee_sd_card.hpp"
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#include "fusee_fatal.hpp"
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#include "fusee_secondary_archive.hpp"
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namespace ams::nxboot {
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namespace {
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/* TODO: Change to fusee-secondary.bin when development is done. */
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constexpr const char SecondaryArchiveFilePath[] = "sdmc:/atmosphere/fusee-boogaloo.bin";
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constinit fs::FileHandle g_archive_file;
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void OpenSecondaryArchive() {
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Result result;
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/* Open fusee-secondary. */
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if (R_FAILED((result = fs::OpenFile(std::addressof(g_archive_file), SecondaryArchiveFilePath, fs::OpenMode_Read)))) {
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ShowFatalError("Failed to open %s!\n", SecondaryArchiveFilePath);
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}
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/* Get file size. */
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s64 file_size;
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if (R_FAILED((result = fs::GetFileSize(std::addressof(file_size), g_archive_file)))) {
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ShowFatalError("Failed to get fusee-secondary size: 0x%08" PRIx32 "\n", result.GetValue());
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}
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/* Check file size. */
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if (static_cast<size_t>(file_size) != SecondaryArchiveSize) {
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ShowFatalError("fusee-secondary seems corrupted (size 0x%zx != 0x%zx)", static_cast<size_t>(file_size), SecondaryArchiveSize);
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}
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}
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void ReadFullSecondaryArchive() {
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Result result;
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if (R_FAILED((result = fs::ReadFile(g_archive_file, 0, const_cast<void *>(static_cast<const void *>(std::addressof(GetSecondaryArchive()))), SecondaryArchiveSize)))) {
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ShowFatalError("Failed to read %s!\n", SecondaryArchiveFilePath);
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}
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}
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}
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void Main() {
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/* Perform secure hardware initialization. */
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SecureInitialize(true);
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/* Overclock the bpmp. */
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clkrst::SetBpmpClockRate(fuse::GetSocType() == fuse::SocType_Mariko ? clkrst::BpmpClockRate_589MHz : clkrst::BpmpClockRate_576MHz);
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/* Initialize Sdram. */
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InitializeSdram();
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/* Initialize cache. */
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hw::InitializeDataCache();
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/* Initialize SD card. */
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{
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Result result = InitializeSdCard();
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if (R_FAILED(result)) {
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ShowFatalError("Failed to initialize the SD card: 0x%08" PRIx32 "\n", result.GetValue());
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}
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}
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/* Mount SD card. */
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if (!fs::MountSdCard()) {
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ShowFatalError("Failed to mount the SD card.");
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}
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/* If we have a fatal error, save and display it. */
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SaveAndShowFatalError();
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/* Open the secondary archive. */
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OpenSecondaryArchive();
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/* Load the memory training overlay. */
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LoadOverlay(g_archive_file, OverlayId_MemoryTraining);
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/* Do memory training. */
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DoMemoryTraining();
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/* Read the rest of the archive file. */
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ReadFullSecondaryArchive();
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/* Initialize display (splash screen will be visible from this point onwards). */
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InitializeDisplay();
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ShowDisplay();
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/* TODO */
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WaitForReboot();
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/* TODO */
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AMS_INFINITE_LOOP();
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}
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}
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