mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-11-13 00:26:35 +00:00
294 lines
12 KiB
C++
294 lines
12 KiB
C++
/*
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* Copyright (c) 2018-2019 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 <cctype>
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#include <dirent.h>
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#include <stratosphere/cfg.hpp>
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#include <stratosphere/ldr.hpp>
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#include <stratosphere/pm.hpp>
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#include "boot2_api.hpp"
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namespace sts::boot2 {
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namespace {
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/* Launch lists. */
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/* psc, bus, pcv is the minimal set of required titles to get SD card. */
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/* bus depends on pcie, and pcv depends on settings. */
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constexpr ncm::TitleId PreSdCardLaunchPrograms[] = {
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ncm::TitleId{TitleId_Psc}, /* psc */
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ncm::TitleId{TitleId_Pcie}, /* pcie */
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ncm::TitleId{TitleId_Bus}, /* bus */
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ncm::TitleId{TitleId_Settings}, /* settings */
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ncm::TitleId{TitleId_Pcv}, /* pcv */
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};
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constexpr size_t NumPreSdCardLaunchPrograms = sizeof(PreSdCardLaunchPrograms) / sizeof(PreSdCardLaunchPrograms[0]);
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constexpr ncm::TitleId AdditionalLaunchPrograms[] = {
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ncm::TitleId{TitleId_Usb}, /* usb */
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ncm::TitleId{TitleId_Tma}, /* tma */
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ncm::TitleId{TitleId_Am}, /* am */
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ncm::TitleId{TitleId_NvServices}, /* nvservices */
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ncm::TitleId{TitleId_NvnFlinger}, /* nvnflinger */
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ncm::TitleId{TitleId_Vi}, /* vi */
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ncm::TitleId{TitleId_Ns}, /* ns */
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ncm::TitleId{TitleId_LogManager}, /* lm */
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ncm::TitleId{TitleId_Ppc}, /* ppc */
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ncm::TitleId{TitleId_Ptm}, /* ptm */
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ncm::TitleId{TitleId_Hid}, /* hid */
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ncm::TitleId{TitleId_Audio}, /* audio */
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ncm::TitleId{TitleId_Lbl}, /* lbl */
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ncm::TitleId{TitleId_Wlan}, /* wlan */
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ncm::TitleId{TitleId_Bluetooth}, /* bluetooth */
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ncm::TitleId{TitleId_BsdSockets}, /* bsdsockets */
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ncm::TitleId{TitleId_Nifm}, /* nifm */
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ncm::TitleId{TitleId_Ldn}, /* ldn */
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ncm::TitleId{TitleId_Account}, /* account */
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ncm::TitleId{TitleId_Friends}, /* friends */
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ncm::TitleId{TitleId_Nfc}, /* nfc */
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ncm::TitleId{TitleId_JpegDec}, /* jpegdec */
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ncm::TitleId{TitleId_CapSrv}, /* capsrv */
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ncm::TitleId{TitleId_Ssl}, /* ssl */
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ncm::TitleId{TitleId_Nim}, /* nim */
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ncm::TitleId{TitleId_Bcat}, /* bcat */
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ncm::TitleId{TitleId_Erpt}, /* erpt */
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ncm::TitleId{TitleId_Es}, /* es */
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ncm::TitleId{TitleId_Pctl}, /* pctl */
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ncm::TitleId{TitleId_Btm}, /* btm */
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ncm::TitleId{TitleId_Eupld}, /* eupld */
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ncm::TitleId{TitleId_Glue}, /* glue */
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/* ncm::TitleId{TitleId_Eclct}, */ /* eclct */ /* Skip launching error collection in Atmosphere to lessen telemetry. */
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ncm::TitleId{TitleId_Npns}, /* npns */
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ncm::TitleId{TitleId_Fatal}, /* fatal */
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ncm::TitleId{TitleId_Ro}, /* ro */
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ncm::TitleId{TitleId_Profiler}, /* profiler */
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ncm::TitleId{TitleId_Sdb}, /* sdb */
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ncm::TitleId{TitleId_Migration}, /* migration */
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ncm::TitleId{TitleId_Grc}, /* grc */
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ncm::TitleId{TitleId_Olsc}, /* olsc */
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};
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constexpr size_t NumAdditionalLaunchPrograms = sizeof(AdditionalLaunchPrograms) / sizeof(AdditionalLaunchPrograms[0]);
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constexpr ncm::TitleId AdditionalMaintenanceLaunchPrograms[] = {
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ncm::TitleId{TitleId_Usb}, /* usb */
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ncm::TitleId{TitleId_Tma}, /* tma */
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ncm::TitleId{TitleId_Am}, /* am */
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ncm::TitleId{TitleId_NvServices}, /* nvservices */
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ncm::TitleId{TitleId_NvnFlinger}, /* nvnflinger */
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ncm::TitleId{TitleId_Vi}, /* vi */
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ncm::TitleId{TitleId_Ns}, /* ns */
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ncm::TitleId{TitleId_LogManager}, /* lm */
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ncm::TitleId{TitleId_Ppc}, /* ppc */
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ncm::TitleId{TitleId_Ptm}, /* ptm */
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ncm::TitleId{TitleId_Hid}, /* hid */
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ncm::TitleId{TitleId_Audio}, /* audio */
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ncm::TitleId{TitleId_Lbl}, /* lbl */
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ncm::TitleId{TitleId_Wlan}, /* wlan */
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ncm::TitleId{TitleId_Bluetooth}, /* bluetooth */
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ncm::TitleId{TitleId_BsdSockets}, /* bsdsockets */
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ncm::TitleId{TitleId_Nifm}, /* nifm */
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ncm::TitleId{TitleId_Ldn}, /* ldn */
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ncm::TitleId{TitleId_Account}, /* account */
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ncm::TitleId{TitleId_Nfc}, /* nfc */
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ncm::TitleId{TitleId_JpegDec}, /* jpegdec */
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ncm::TitleId{TitleId_CapSrv}, /* capsrv */
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ncm::TitleId{TitleId_Ssl}, /* ssl */
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ncm::TitleId{TitleId_Nim}, /* nim */
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ncm::TitleId{TitleId_Erpt}, /* erpt */
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ncm::TitleId{TitleId_Es}, /* es */
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ncm::TitleId{TitleId_Pctl}, /* pctl */
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ncm::TitleId{TitleId_Btm}, /* btm */
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ncm::TitleId{TitleId_Glue}, /* glue */
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/* ncm::TitleId{TitleId_Eclct}, */ /* eclct */ /* Skip launching error collection in Atmosphere to lessen telemetry. */
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ncm::TitleId{TitleId_Fatal}, /* fatal */
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ncm::TitleId{TitleId_Ro}, /* ro */
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ncm::TitleId{TitleId_Profiler}, /* profiler */
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ncm::TitleId{TitleId_Sdb}, /* sdb */
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ncm::TitleId{TitleId_Migration}, /* migration */
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ncm::TitleId{TitleId_Grc}, /* grc */
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ncm::TitleId{TitleId_Olsc}, /* olsc */
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};
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constexpr size_t NumAdditionalMaintenanceLaunchPrograms = sizeof(AdditionalMaintenanceLaunchPrograms) / sizeof(AdditionalMaintenanceLaunchPrograms[0]);
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/* Helpers. */
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inline bool IsHexadecimal(const char *str) {
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while (*str) {
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if (!std::isxdigit(static_cast<unsigned char>(*(str++)))) {
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return false;
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}
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}
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return true;
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}
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void LaunchTitle(u64 *out_process_id, const ncm::TitleLocation &loc, u32 launch_flags) {
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u64 process_id = 0;
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/* Don't launch a title twice during boot2. */
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if (pm::info::HasLaunchedTitle(loc.title_id)) {
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return;
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}
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switch (pm::shell::LaunchTitle(&process_id, loc, launch_flags)) {
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case ResultKernelResourceExhausted:
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/* Out of resource! */
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std::abort();
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case ResultKernelOutOfMemory:
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/* Out of memory! */
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std::abort();
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case ResultKernelLimitReached:
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/* Limit Reached! */
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std::abort();
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default:
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/* We don't care about other issues. */
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break;
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}
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if (out_process_id) {
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*out_process_id = process_id;
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}
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}
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void LaunchList(const ncm::TitleId *launch_list, size_t num_entries) {
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for (size_t i = 0; i < num_entries; i++) {
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LaunchTitle(nullptr, ncm::MakeTitleLocation(launch_list[i], ncm::StorageId::NandSystem), 0);
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}
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}
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bool GetGpioPadLow(GpioPadName pad) {
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GpioPadSession button;
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if (R_FAILED(gpioOpenSession(&button, pad))) {
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return false;
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}
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/* Ensure we close even on early return. */
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ON_SCOPE_EXIT { gpioPadClose(&button); };
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/* Set direction input. */
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gpioPadSetDirection(&button, GpioDirection_Input);
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GpioValue val;
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return R_SUCCEEDED(gpioPadGetValue(&button, &val)) && val == GpioValue_Low;
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}
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bool IsMaintenanceMode() {
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/* Contact set:sys, retrieve boot!force_maintenance. */
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DoWithSmSession([&]() {
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R_ASSERT(setsysInitialize());
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});
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{
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ON_SCOPE_EXIT { setsysExit(); };
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u8 force_maintenance = 1;
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setsysGetSettingsItemValue("boot", "force_maintenance", &force_maintenance, sizeof(force_maintenance));
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if (force_maintenance != 0) {
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return true;
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}
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}
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/* Contact GPIO, read plus/minus buttons. */
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DoWithSmSession([&]() {
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R_ASSERT(gpioInitialize());
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});
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{
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ON_SCOPE_EXIT { gpioExit(); };
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return GetGpioPadLow(GpioPadName_ButtonVolUp) && GetGpioPadLow(GpioPadName_ButtonVolDown);
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}
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}
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void WaitForMitm(const char *service) {
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const auto name = sts::sm::ServiceName::Encode(service);
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while (true) {
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bool mitm_installed = false;
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R_ASSERT(sts::sm::mitm::HasMitm(&mitm_installed, name));
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if (mitm_installed) {
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break;
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}
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svcSleepThread(1'000'000ull);
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}
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}
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void LaunchFlaggedProgramsFromSdCard() {
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/* Allow for user-customizable programs. */
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DIR *titles_dir = opendir("sdmc:/atmosphere/titles");
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struct dirent *ent;
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if (titles_dir != NULL) {
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while ((ent = readdir(titles_dir)) != NULL) {
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if (strlen(ent->d_name) == 2 * sizeof(u64) && IsHexadecimal(ent->d_name)) {
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ncm::TitleId title_id{strtoul(ent->d_name, NULL, 16)};
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if (pm::info::HasLaunchedTitle(title_id)) {
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return;
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}
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char title_path[FS_MAX_PATH];
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std::snprintf(title_path, sizeof(title_path), "sdmc:/atmosphere/titles/%s/flags/boot2.flag", ent->d_name);
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FILE *f_flag = fopen(title_path, "rb");
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if (f_flag != NULL) {
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fclose(f_flag);
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LaunchTitle(nullptr, ncm::MakeTitleLocation(title_id, ncm::StorageId::None), 0);
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}
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}
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}
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closedir(titles_dir);
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}
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}
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}
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/* Boot2 API. */
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void LaunchBootPrograms() {
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/* Wait until fs.mitm has installed itself. We want this to happen as early as possible. */
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WaitForMitm("fsp-srv");
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/* Launch programs required to mount the SD card. */
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LaunchList(PreSdCardLaunchPrograms, NumPreSdCardLaunchPrograms);
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/* At this point, the SD card can be mounted. */
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cfg::WaitSdCardInitialized();
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R_ASSERT(fsdevMountSdmc());
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/* Find out whether we are maintenance mode. */
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const bool maintenance = IsMaintenanceMode();
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if (maintenance) {
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pm::bm::SetMaintenanceBoot();
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}
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/* Wait for other atmosphere mitm modules to initialize. */
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if (GetRuntimeFirmwareVersion() >= FirmwareVersion_200) {
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WaitForMitm("bpc");
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} else {
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WaitForMitm("bpc:c");
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}
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/* Launch Atmosphere dmnt, using FsStorageId_None to force SD card boot. */
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LaunchTitle(nullptr, ncm::MakeTitleLocation(ncm::TitleId{TitleId_Dmnt}, ncm::StorageId::None), 0);
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/* Launch additional programs. */
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if (maintenance) {
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LaunchList(AdditionalMaintenanceLaunchPrograms, NumAdditionalMaintenanceLaunchPrograms);
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} else {
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LaunchList(AdditionalLaunchPrograms, NumAdditionalLaunchPrograms);
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}
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/* Launch user programs off of the SD. */
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LaunchFlaggedProgramsFromSdCard();
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/* We no longer need the SD card. */
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fsdevUnmountAll();
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}
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}
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