133 lines
3.3 KiB
C++
133 lines
3.3 KiB
C++
#include "fusee_boot_storage.hpp"
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#include "fs/fusee_fs_api.hpp"
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#include "fusee_mmc.hpp"
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#include "fusee_sd_card.hpp"
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#include <exosphere.hpp>
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namespace ams::nxboot {
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namespace {
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constinit BootStorage g_boot_storage = BootDrive_Invalid;
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Result IsBootStorageValid() {
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fs::DirectoryEntryType entry_type;
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bool is_archive;
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Result r;
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if(R_SUCCEEDED(r = fs::GetEntryType(std::addressof(entry_type), std::addressof(is_archive), ".no_boot_storage"))) {
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if(entry_type == fs::DirectoryEntryType_File) {
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R_THROW(fs::ResultInvalidMountName());
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}
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}
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R_SUCCEED();
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}
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Result BootStorageInitializeAndMount(BootStorage storage) {
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AMS_ASSERT(g_boot_storage == BootDrive_Invalid);
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switch(storage) {
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case BootDrive_Boot1Off:
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{
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R_TRY(InitializeMmc());
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ON_RESULT_FAILURE { FinalizeMmc(); };
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R_UNLESS(fs::MountBoot1Off(), fs::ResultInvalidMountName());
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ON_RESULT_FAILURE_2 { fs::UnmountBoot1Off(); };
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R_TRY(fs::ChangeDrive("boot1_off:"));
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R_TRY(IsBootStorageValid());
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g_boot_storage = storage;
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R_SUCCEED();
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} break;
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case BootDrive_Boot1:
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{
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R_TRY(InitializeMmc());
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ON_RESULT_FAILURE { FinalizeMmc(); };
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R_UNLESS(fs::MountBoot1(), fs::ResultInvalidMountName());
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ON_RESULT_FAILURE_2 { fs::UnmountBoot1(); };
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R_TRY(fs::ChangeDrive("boot1:"));
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R_TRY(IsBootStorageValid());
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g_boot_storage = storage;
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R_SUCCEED();
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} break;
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case BootDrive_System:
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{
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R_TRY(InitializeMmc());
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ON_RESULT_FAILURE { FinalizeMmc(); };
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R_UNLESS(fs::MountSys(), fs::ResultInvalidMountName());
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ON_RESULT_FAILURE_2 { fs::UnmountSys(); };
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R_TRY(fs::ChangeDrive("sys:"));
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R_TRY(IsBootStorageValid());
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g_boot_storage = storage;
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R_SUCCEED();
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} break;
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case BootDrive_SD:
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{
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R_TRY(InitializeSdCard());
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ON_RESULT_FAILURE { FinalizeSdCard(); };
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R_UNLESS(fs::MountSdCard(), fs::ResultInvalidMountName());
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ON_RESULT_FAILURE_2 { fs::UnmountSdCard(); };
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R_TRY(fs::ChangeDrive("sdmc:"));
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R_TRY(IsBootStorageValid());
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g_boot_storage = storage;
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R_SUCCEED();
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} break;
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AMS_UNREACHABLE_DEFAULT_CASE();
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}
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R_THROW(fs::ResultInvalidMountName());
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}
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}
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Result MountBootStorage() {
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for(uint32_t i = BootDrive_Min; i < BootDrive_Max; i++) {
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R_SUCCEED_IF(R_SUCCEEDED(BootStorageInitializeAndMount(static_cast<BootStorage>(i))));
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}
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R_THROW(fs::ResultInvalidMountName());
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}
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void FinalizeBootStorage() {
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AMS_ASSERT(g_boot_storage != BootDrive_Invalid);
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switch(g_boot_storage) {
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case BootDrive_Boot1Off:
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fs::UnmountBoot1Off();
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FinalizeMmc();
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break;
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case BootDrive_Boot1:
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fs::UnmountBoot1();
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FinalizeMmc();
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break;
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case BootDrive_System:
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fs::UnmountSys();
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FinalizeMmc();
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break;
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case BootDrive_SD:
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fs::UnmountSdCard();
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FinalizeSdCard();
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break;
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AMS_UNREACHABLE_DEFAULT_CASE();
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}
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}
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void UnmountBootStorage() {
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AMS_ASSERT(g_boot_storage != BootDrive_Invalid);
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switch(g_boot_storage) {
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case BootDrive_Boot1Off:
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fs::UnmountBoot1Off();
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break;
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case BootDrive_Boot1:
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fs::UnmountBoot1();
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break;
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case BootDrive_System:
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fs::UnmountSys();
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break;
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case BootDrive_SD:
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fs::UnmountSdCard();
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break;
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AMS_UNREACHABLE_DEFAULT_CASE();
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}
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}
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BootStorage GetBootStorage(){
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return g_boot_storage;
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}
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} |