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Atmosphere/stratosphere/boot2/source/boot2_main.cpp
2023-02-22 17:19:51 -08:00

88 lines
2.7 KiB
C++

/*
* Copyright (c) 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 <stratosphere.hpp>
namespace ams {
namespace boot2 {
namespace {
constinit u8 g_fs_heap_memory[2_KB];
constinit lmem::HeapHandle g_fs_heap_handle;
void *AllocateForFs(size_t size) {
return lmem::AllocateFromExpHeap(g_fs_heap_handle, size);
}
void DeallocateForFs(void *p, size_t size) {
AMS_UNUSED(size);
return lmem::FreeToExpHeap(g_fs_heap_handle, p);
}
void InitializeFsHeap() {
g_fs_heap_handle = lmem::CreateExpHeap(g_fs_heap_memory, sizeof(g_fs_heap_memory), lmem::CreateOption_None);
}
}
}
namespace init {
void InitializeSystemModule() {
/* Initialize heap. */
boot2::InitializeFsHeap();
/* Initialize our connection to sm. */
R_ABORT_UNLESS(sm::Initialize());
/* Initialize fs. */
fs::InitializeForSystem();
fs::SetAllocator(boot2::AllocateForFs, boot2::DeallocateForFs);
fs::SetEnabledAutoAbort(false);
/* Initialize other services we need. */
R_ABORT_UNLESS(pmbmInitialize());
R_ABORT_UNLESS(pminfoInitialize());
R_ABORT_UNLESS(pmshellInitialize());
R_ABORT_UNLESS(setsysInitialize());
gpio::Initialize();
ncm::Initialize();
/* Mount the SD card. */
R_ABORT_UNLESS(fs::MountSdCard("sdmc"));
/* Verify that we can sanely execute. */
ams::CheckApiVersion();
}
void FinalizeSystemModule() { /* ... */ }
void Startup() { /* ... */ }
}
void Main() {
/* Set thread name. */
os::SetThreadNamePointer(os::GetCurrentThread(), AMS_GET_SYSTEM_THREAD_NAME(boot2, Main));
AMS_ASSERT(os::GetThreadPriority(os::GetCurrentThread()) == AMS_GET_SYSTEM_THREAD_PRIORITY(boot2, Main));
/* Launch all programs off of SYSTEM/the SD. */
boot2::LaunchPostSdCardBootPrograms();
}
}