mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-05 19:51:45 +00:00
152 lines
3.8 KiB
C++
152 lines
3.8 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 <cstdlib>
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#include <cstdint>
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#include <cstring>
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#include <malloc.h>
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#include <switch.h>
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#include <atmosphere.h>
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#include <stratosphere.hpp>
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#include "boot_functions.hpp"
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#include "boot_reboot_manager.hpp"
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#include "i2c_driver/i2c_api.hpp"
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extern "C" {
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extern u32 __start__;
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u32 __nx_applet_type = AppletType_None;
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#define INNER_HEAP_SIZE 0x200000
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size_t nx_inner_heap_size = INNER_HEAP_SIZE;
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char nx_inner_heap[INNER_HEAP_SIZE];
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void __libnx_initheap(void);
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void __appInit(void);
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void __appExit(void);
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/* Exception handling. */
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alignas(16) u8 __nx_exception_stack[0x1000];
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u64 __nx_exception_stack_size = sizeof(__nx_exception_stack);
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void __libnx_exception_handler(ThreadExceptionDump *ctx);
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u64 __stratosphere_title_id = TitleId_Boot;
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void __libstratosphere_exception_handler(AtmosphereFatalErrorContext *ctx);
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}
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void __libnx_exception_handler(ThreadExceptionDump *ctx) {
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StratosphereCrashHandler(ctx);
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}
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void __libstratosphere_exception_handler(AtmosphereFatalErrorContext *ctx) {
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/* We're boot sysmodule, so manually reboot to fatal error. */
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BootRebootManager::RebootForFatalError(ctx);
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}
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void __libnx_initheap(void) {
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void* addr = nx_inner_heap;
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size_t size = nx_inner_heap_size;
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/* Newlib */
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extern char* fake_heap_start;
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extern char* fake_heap_end;
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fake_heap_start = (char*)addr;
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fake_heap_end = (char*)addr + size;
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}
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void __appInit(void) {
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Result rc;
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SetFirmwareVersionForLibnx();
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/* Initialize services we need (TODO: NCM) */
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DoWithSmSession([&]() {
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rc = fsInitialize();
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if (R_FAILED(rc)) {
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std::abort();
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}
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rc = splInitialize();
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if (R_FAILED(rc)) {
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std::abort();
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}
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rc = pmshellInitialize();
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if (R_FAILED(rc)) {
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std::abort();
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}
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});
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CheckAtmosphereVersion(CURRENT_ATMOSPHERE_VERSION);
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}
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void __appExit(void) {
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/* Cleanup services. */
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fsdevUnmountAll();
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pmshellExit();
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splExit();
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fsExit();
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}
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int main(int argc, char **argv)
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{
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consoleDebugInit(debugDevice_SVC);
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/* TODO: Implement the boot sysmodule -- boot_old to be broadly rewritten. */
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/* Change voltage from 3.3v to 1.8v for select devices. */
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Boot::ChangeGpioVoltageTo1_8v();
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/* Setup GPIO. */
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Boot::SetInitialGpioConfiguration();
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/* Check USB PLL/UTMIP clock. */
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Boot::CheckClock();
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/* Talk to PMIC/RTC, set boot reason with SPL. */
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Boot::DetectBootReason();
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const HardwareType hw_type = Boot::GetHardwareType();
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if (hw_type != HardwareType_Copper) {
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/* Display splash screen for two seconds. */
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Boot::ShowSplashScreen();
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/* Check that the battery has enough to boot. */
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Boot::CheckBatteryCharge();
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}
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/* Configure pinmux + drive pads. */
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Boot::ConfigurePinmux();
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/* TODO: SetInitialWakePinConfiguration(); */
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if (hw_type != HardwareType_Copper) {
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Boot::SetInitialClockConfiguration();
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}
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Boot::SetFanEnabled();
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/* TODO: CheckAndRepairBootImages(); */
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/* Tell PM to start boot2. */
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if (R_FAILED(pmshellNotifyBootFinished())) {
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std::abort();
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}
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return 0;
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}
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