Atmosphere/stratosphere/boot/source/boot_main.cpp

138 lines
3.4 KiB
C++

/*
* Copyright (c) 2018-2019 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <cstdlib>
#include <cstdint>
#include <cstring>
#include <malloc.h>
#include <switch.h>
#include <atmosphere.h>
#include <stratosphere.hpp>
#include "boot_functions.hpp"
#include "boot_reboot_manager.hpp"
extern "C" {
extern u32 __start__;
u32 __nx_applet_type = AppletType_None;
#define INNER_HEAP_SIZE 0x200000
size_t nx_inner_heap_size = INNER_HEAP_SIZE;
char nx_inner_heap[INNER_HEAP_SIZE];
void __libnx_initheap(void);
void __appInit(void);
void __appExit(void);
/* Exception handling. */
alignas(16) u8 __nx_exception_stack[0x1000];
u64 __nx_exception_stack_size = sizeof(__nx_exception_stack);
void __libnx_exception_handler(ThreadExceptionDump *ctx);
u64 __stratosphere_title_id = TitleId_Boot;
void __libstratosphere_exception_handler(AtmosphereFatalErrorContext *ctx);
}
void __libnx_exception_handler(ThreadExceptionDump *ctx) {
StratosphereCrashHandler(ctx);
}
void __libstratosphere_exception_handler(AtmosphereFatalErrorContext *ctx) {
/* We're boot sysmodule, so manually reboot to fatal error. */
BootRebootManager::RebootForFatalError(ctx);
}
void __libnx_initheap(void) {
void* addr = nx_inner_heap;
size_t size = nx_inner_heap_size;
/* Newlib */
extern char* fake_heap_start;
extern char* fake_heap_end;
fake_heap_start = (char*)addr;
fake_heap_end = (char*)addr + size;
}
void __appInit(void) {
Result rc;
SetFirmwareVersionForLibnx();
/* Initialize services we need (TODO: NCM) */
DoWithSmSession([&]() {
rc = fsInitialize();
if (R_FAILED(rc)) {
std::abort();
}
rc = splInitialize();
if (R_FAILED(rc)) {
std::abort();
}
rc = pmshellInitialize();
if (R_FAILED(rc)) {
std::abort();
}
});
CheckAtmosphereVersion(CURRENT_ATMOSPHERE_VERSION);
}
void __appExit(void) {
/* Cleanup services. */
fsdevUnmountAll();
pmshellExit();
splExit();
fsExit();
}
int main(int argc, char **argv)
{
consoleDebugInit(debugDevice_SVC);
/* TODO: Implement the boot sysmodule -- boot_old to be broadly rewritten. */
/* TODO: Explicitly: */
/* Change voltage from 3.3v to 1.8v for select devices. */
Boot::ChangeGpioVoltageTo1_8v();
/* Setup GPIO. */
Boot::SetInitialGpioConfiguration();
/* TODO: CheckClock(); */
/* TODO: DetectBootReason(); */
/* TODO: ShowSplashScreen(); */
/* TODO: ConfigurePinmux(); */
/* TODO: SetInitialWakePinConfiguration(); */
/* TODO: SetInitialClockConfiguration(); */
/* TODO: CheckAndRepairBootImages(); */
/* TODO: NotifyBootFinished(); */
return 0;
}