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Atmosphere/stratosphere/sm/source/sm_main.cpp
2021-05-02 10:33:15 -07:00

131 lines
3.3 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 "sm_tipc_server.hpp"
extern "C" {
extern u32 __start__;
extern int __system_argc;
extern char** __system_argv;
u32 __nx_applet_type = AppletType_None;
#define INNER_HEAP_SIZE 0x0
size_t nx_inner_heap_size = INNER_HEAP_SIZE;
char nx_inner_heap[INNER_HEAP_SIZE];
void __libnx_initheap(void);
void argvSetup(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 {
constinit char *g_empty_argv = nullptr;
}
namespace ams {
ncm::ProgramId CurrentProgramId = ncm::SystemProgramId::Sm;
void NORETURN Exit(int rc) {
AMS_ABORT("Exit called by immortal process");
}
}
using namespace ams;
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 argvSetup(void) {
/* We don't need argc/argv, so set them to empty defaults. */
__system_argc = 0;
__system_argv = std::addressof(g_empty_argv);
}
void __appInit(void) {
hos::InitializeForStratosphere();
/* We must do no service setup here, because we are sm. */
}
void __appExit(void) {
/* Nothing to clean up, because we're sm. */
}
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)
{
/* Set thread name. */
os::SetThreadNamePointer(os::GetCurrentThread(), AMS_GET_SYSTEM_THREAD_NAME(sm, Main));
AMS_ASSERT(os::GetThreadPriority(os::GetCurrentThread()) == AMS_GET_SYSTEM_THREAD_PRIORITY(sm, Main));
/* Initialize the server. */
sm::InitializeTipcServer();
/* Loop forever, processing our services. */
sm::LoopProcessTipcServer();
/* This can never be reached. */
AMS_ASSUME(false);
}