Atmosphere/stratosphere/fatal/source/fatal_main.cpp

240 lines
6.8 KiB
C++

/*
* Copyright (c) 2018-2020 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>
#include "fatal_service.hpp"
#include "fatal_config.hpp"
#include "fatal_repair.hpp"
#include "fatal_font.hpp"
extern "C" {
extern u32 __start__;
u32 __nx_applet_type = AppletType_None;
u32 __nx_fs_num_sessions = 1;
#define INNER_HEAP_SIZE 0x0
size_t nx_inner_heap_size = INNER_HEAP_SIZE;
char nx_inner_heap[INNER_HEAP_SIZE];
u32 __nx_nv_transfermem_size = 0x40000;
ViLayerFlags __nx_vi_stray_layer_flags = (ViLayerFlags)0;
void __libnx_initheap(void);
void __appInit(void);
void __appExit(void);
/* Exception handling. */
alignas(16) u8 __nx_exception_stack[ams::os::MemoryPageSize];
u64 __nx_exception_stack_size = sizeof(__nx_exception_stack);
void __libnx_exception_handler(ThreadExceptionDump *ctx);
void *__libnx_alloc(size_t size);
void *__libnx_aligned_alloc(size_t alignment, size_t size);
void __libnx_free(void *mem);
}
namespace ams {
ncm::ProgramId CurrentProgramId = ncm::SystemProgramId::Fatal;
}
using namespace ams;
namespace ams::fatal {
namespace {
constinit u8 g_fs_heap_memory[2_KB];
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) {
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_ThreadSafe);
}
}
}
void __libnx_exception_handler(ThreadExceptionDump *ctx) {
ams::CrashHandler(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) {
hos::InitializeForStratosphere();
fatal::InitializeFsHeap();
fs::SetAllocator(fatal::AllocateForFs, fatal::DeallocateForFs);
R_ABORT_UNLESS(sm::Initialize());
R_ABORT_UNLESS(setInitialize());
R_ABORT_UNLESS(setsysInitialize());
R_ABORT_UNLESS(pminfoInitialize());
R_ABORT_UNLESS(i2cInitialize());
R_ABORT_UNLESS(bpcInitialize());
if (hos::GetVersion() >= hos::Version_8_0_0) {
R_ABORT_UNLESS(clkrstInitialize());
} else {
R_ABORT_UNLESS(pcvInitialize());
}
R_ABORT_UNLESS(lblInitialize());
R_ABORT_UNLESS(psmInitialize());
R_ABORT_UNLESS(spsmInitialize());
R_ABORT_UNLESS(plInitialize(::PlServiceType_User));
gpio::Initialize();
R_ABORT_UNLESS(fsInitialize());
R_ABORT_UNLESS(fs::MountSdCard("sdmc"));
/* fatal cannot throw fatal, so don't do: ams::CheckApiVersion(); */
}
void __appExit(void) {
/* Cleanup services. */
fsExit();
plExit();
gpio::Finalize();
spsmExit();
psmExit();
lblExit();
if (hos::GetVersion() >= hos::Version_8_0_0) {
clkrstExit();
} else {
pcvExit();
}
bpcExit();
i2cExit();
pminfoExit();
setsysExit();
setExit();
}
namespace {
using ServerOptions = sf::hipc::DefaultServerManagerOptions;
constexpr sm::ServiceName UserServiceName = sm::ServiceName::Encode("fatal:u");
constexpr size_t UserMaxSessions = 4;
constexpr sm::ServiceName PrivateServiceName = sm::ServiceName::Encode("fatal:p");
constexpr size_t PrivateMaxSessions = 4;
/* fatal:u, fatal:p. */
constexpr size_t NumServers = 2;
constexpr size_t NumSessions = UserMaxSessions + PrivateMaxSessions;
sf::hipc::ServerManager<NumServers, ServerOptions, NumSessions> g_server_manager;
constinit sf::UnmanagedServiceObject<fatal::impl::IService, fatal::srv::Service> g_user_service_object;
constinit sf::UnmanagedServiceObject<fatal::impl::IPrivateService, fatal::srv::Service> g_private_service_object;
}
namespace ams {
void *Malloc(size_t size) {
AMS_ABORT("ams::Malloc was called");
}
void Free(void *ptr) {
AMS_ABORT("ams::Free was called");
}
}
void *operator new(size_t size) {
AMS_ABORT("operator new(size_t) was called");
}
void operator delete(void *p) {
AMS_ABORT("operator delete(void *) was called");
}
void *__libnx_alloc(size_t size) {
AMS_ABORT("__libnx_alloc was called");
}
void *__libnx_aligned_alloc(size_t alignment, size_t size) {
AMS_ABORT("__libnx_aligned_alloc was called");
}
void __libnx_free(void *mem) {
AMS_ABORT("__libnx_free was called");
}
int main(int argc, char **argv)
{
/* Disable auto-abort in fs operations. */
fs::SetEnabledAutoAbort(false);
/* Set thread name. */
os::SetThreadNamePointer(os::GetCurrentThread(), AMS_GET_SYSTEM_THREAD_NAME(fatal, Main));
AMS_ASSERT(os::GetThreadPriority(os::GetCurrentThread()) == AMS_GET_SYSTEM_THREAD_PRIORITY(fatal, Main));
/* Load shared font. */
R_ABORT_UNLESS(fatal::srv::font::InitializeSharedFont());
/* Check whether we should throw fatal due to repair process. */
fatal::srv::CheckRepairStatus();
/* Create services. */
R_ABORT_UNLESS(g_server_manager.RegisterObjectForServer(g_user_service_object.GetShared(), UserServiceName, UserMaxSessions));
R_ABORT_UNLESS(g_server_manager.RegisterObjectForServer(g_private_service_object.GetShared(), PrivateServiceName, PrivateMaxSessions));
/* Add dirty event holder. */
auto *dirty_event_holder = ams::fatal::srv::GetFatalDirtyWaitableHolder();
g_server_manager.AddUserWaitableHolder(dirty_event_holder);
/* Loop forever, servicing our services. */
/* Because fatal has a user wait holder, we need to specify how to process manually. */
while (auto *signaled_holder = g_server_manager.WaitSignaled()) {
if (signaled_holder == dirty_event_holder) {
/* Dirty event holder was signaled. */
fatal::srv::OnFatalDirtyEvent();
g_server_manager.AddUserWaitableHolder(signaled_holder);
} else {
/* A server/session was signaled. Have the manager handle it. */
R_ABORT_UNLESS(g_server_manager.Process(signaled_holder));
}
}
return 0;
}