mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-09-19 22:59:00 +00:00
263 lines
10 KiB
C++
263 lines
10 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 "pm_boot_mode_service.hpp"
|
|
#include "pm_debug_monitor_service.hpp"
|
|
#include "pm_info_service.hpp"
|
|
#include "pm_shell_service.hpp"
|
|
|
|
#include "impl/pm_process_manager.hpp"
|
|
|
|
extern "C" {
|
|
extern u32 __start__;
|
|
|
|
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 __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);
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
namespace {
|
|
|
|
constexpr u32 PrivilegedFileAccessHeader[0x1C / sizeof(u32)] = {0x00000001, 0x00000000, 0x80000000, 0x0000001C, 0x00000000, 0x0000001C, 0x00000000};
|
|
constexpr u32 PrivilegedFileAccessControl[0x2C / sizeof(u32)] = {0x00000001, 0x00000000, 0x80000000, 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF};
|
|
constexpr u8 PrivilegedServiceAccessControl[] = {0x80, '*', 0x00, '*'};
|
|
constexpr size_t ProcessCountMax = 0x40;
|
|
|
|
/* This uses debugging SVCs to retrieve a process's program id. */
|
|
ncm::ProgramId GetProcessProgramId(os::ProcessId process_id) {
|
|
/* Get a debug handle. */
|
|
svc::Handle debug_handle;
|
|
R_ABORT_UNLESS(svc::DebugActiveProcess(std::addressof(debug_handle), process_id.value));
|
|
ON_SCOPE_EXIT { R_ABORT_UNLESS(svc::CloseHandle(debug_handle)); };
|
|
|
|
/* Loop until we get the event that tells us about the process. */
|
|
svc::DebugEventInfo d;
|
|
while (true) {
|
|
R_ABORT_UNLESS(svc::GetDebugEvent(std::addressof(d), debug_handle));
|
|
if (d.type == svc::DebugEvent_CreateProcess) {
|
|
return ncm::ProgramId{d.info.create_process.program_id};
|
|
}
|
|
}
|
|
}
|
|
|
|
/* This works around a bug fixed by FS in 4.0.0. */
|
|
/* Not doing so will cause KIPs with higher process IDs than 7 to be unable to use filesystem services. */
|
|
/* It also registers privileged processes with SM, so that their program ids can be known. */
|
|
void RegisterPrivilegedProcess(os::ProcessId process_id, ncm::ProgramId program_id) {
|
|
fsprUnregisterProgram(process_id.value);
|
|
fsprRegisterProgram(process_id.value, process_id.value, NcmStorageId_BuiltInSystem, PrivilegedFileAccessHeader, sizeof(PrivilegedFileAccessHeader), PrivilegedFileAccessControl, sizeof(PrivilegedFileAccessControl));
|
|
sm::manager::UnregisterProcess(process_id);
|
|
sm::manager::RegisterProcess(process_id, program_id, cfg::OverrideStatus{}, PrivilegedServiceAccessControl, sizeof(PrivilegedServiceAccessControl), PrivilegedServiceAccessControl, sizeof(PrivilegedServiceAccessControl));
|
|
}
|
|
|
|
void RegisterPrivilegedProcesses() {
|
|
/* Get privileged process range. */
|
|
os::ProcessId min_priv_process_id = os::InvalidProcessId, max_priv_process_id = os::InvalidProcessId;
|
|
cfg::GetInitialProcessRange(&min_priv_process_id, &max_priv_process_id);
|
|
|
|
/* Get current process id/program id. */
|
|
const auto cur_process_id = os::GetCurrentProcessId();
|
|
const auto cur_program_id = os::GetCurrentProgramId();
|
|
|
|
/* Get list of processes, register all privileged ones. */
|
|
s32 num_pids;
|
|
os::ProcessId pids[ProcessCountMax];
|
|
R_ABORT_UNLESS(svc::GetProcessList(&num_pids, reinterpret_cast<u64 *>(pids), ProcessCountMax));
|
|
for (s32 i = 0; i < num_pids; i++) {
|
|
if (min_priv_process_id <= pids[i] && pids[i] <= max_priv_process_id) {
|
|
RegisterPrivilegedProcess(pids[i], pids[i] == cur_process_id ? cur_program_id : GetProcessProgramId(pids[i]));
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
void __appInit(void) {
|
|
hos::InitializeForStratosphere();
|
|
|
|
R_ABORT_UNLESS(sm::Initialize());
|
|
|
|
R_ABORT_UNLESS(fsprInitialize());
|
|
R_ABORT_UNLESS(smManagerInitialize());
|
|
|
|
/* This works around a bug with process permissions on < 4.0.0. */
|
|
/* It also informs SM of privileged process information. */
|
|
RegisterPrivilegedProcesses();
|
|
|
|
/* Use AMS manager extension to tell SM that FS has been worked around. */
|
|
R_ABORT_UNLESS(sm::manager::EndInitialDefers());
|
|
|
|
R_ABORT_UNLESS(ldrPmInitialize());
|
|
spl::Initialize();
|
|
|
|
ams::CheckApiVersion();
|
|
}
|
|
|
|
void __appExit(void) {
|
|
/* Cleanup services. */
|
|
spl::Finalize();
|
|
ldrPmExit();
|
|
smManagerExit();
|
|
fsprExit();
|
|
}
|
|
|
|
namespace {
|
|
|
|
/* pm:shell, pm:dmnt, pm:bm, pm:info. */
|
|
enum PortIndex {
|
|
PortIndex_Shell,
|
|
PortIndex_DebugMonitor,
|
|
PortIndex_BootMode,
|
|
PortIndex_Information,
|
|
PortIndex_Count,
|
|
};
|
|
|
|
using ServerOptions = sf::hipc::DefaultServerManagerOptions;
|
|
|
|
constexpr sm::ServiceName ShellServiceName = sm::ServiceName::Encode("pm:shell");
|
|
constexpr size_t ShellMaxSessions = 8; /* Official maximum is 3. */
|
|
|
|
constexpr sm::ServiceName DebugMonitorServiceName = sm::ServiceName::Encode("pm:dmnt");
|
|
constexpr size_t DebugMonitorMaxSessions = 16;
|
|
|
|
constexpr sm::ServiceName BootModeServiceName = sm::ServiceName::Encode("pm:bm");
|
|
constexpr size_t BootModeMaxSessions = 8; /* Official maximum is 4. */
|
|
|
|
constexpr sm::ServiceName InformationServiceName = sm::ServiceName::Encode("pm:info");
|
|
constexpr size_t InformationMaxSessions = 48 - (ShellMaxSessions + DebugMonitorMaxSessions + BootModeMaxSessions);
|
|
|
|
static_assert(InformationMaxSessions >= 16, "InformationMaxSessions");
|
|
|
|
constexpr size_t MaxSessions = ShellMaxSessions + DebugMonitorMaxSessions + BootModeMaxSessions + InformationMaxSessions;
|
|
static_assert(MaxSessions == 48, "MaxSessions");
|
|
|
|
class ServerManager final : public sf::hipc::ServerManager<PortIndex_Count, ServerOptions, MaxSessions> {
|
|
private:
|
|
virtual ams::Result OnNeedsToAccept(int port_index, Server *server) override;
|
|
};
|
|
|
|
ServerManager g_server_manager;
|
|
|
|
/* NOTE: Nintendo only uses an unmanaged object for boot mode service, but no pm service has any class members/state, so we'll do it for all. */
|
|
sf::UnmanagedServiceObject<pm::impl::IShellInterface, pm::ShellService> g_shell_service;
|
|
sf::UnmanagedServiceObject<pm::impl::IDeprecatedShellInterface, pm::ShellService> g_deprecated_shell_service;
|
|
|
|
sf::UnmanagedServiceObject<pm::impl::IDebugMonitorInterface, pm::DebugMonitorService> g_dmnt_service;
|
|
sf::UnmanagedServiceObject<pm::impl::IDeprecatedDebugMonitorInterface, pm::DebugMonitorService> g_deprecated_dmnt_service;
|
|
|
|
sf::UnmanagedServiceObject<pm::impl::IBootModeInterface, pm::BootModeService> g_boot_mode_service;
|
|
sf::UnmanagedServiceObject<pm::impl::IInformationInterface, pm::InformationService> g_information_service;
|
|
|
|
ams::Result ServerManager::OnNeedsToAccept(int port_index, Server *server) {
|
|
switch (port_index) {
|
|
case PortIndex_Shell:
|
|
if (hos::GetVersion() >= hos::Version_5_0_0) {
|
|
return this->AcceptImpl(server, g_shell_service.GetShared());
|
|
} else {
|
|
return this->AcceptImpl(server, g_deprecated_shell_service.GetShared());
|
|
}
|
|
case PortIndex_DebugMonitor:
|
|
if (hos::GetVersion() >= hos::Version_5_0_0) {
|
|
return this->AcceptImpl(server, g_dmnt_service.GetShared());
|
|
} else {
|
|
return this->AcceptImpl(server, g_deprecated_dmnt_service.GetShared());
|
|
}
|
|
case PortIndex_BootMode:
|
|
return this->AcceptImpl(server, g_boot_mode_service.GetShared());
|
|
case PortIndex_Information:
|
|
return this->AcceptImpl(server, g_information_service.GetShared());
|
|
AMS_UNREACHABLE_DEFAULT_CASE();
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
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(pm, Main));
|
|
AMS_ASSERT(os::GetThreadPriority(os::GetCurrentThread()) == AMS_GET_SYSTEM_THREAD_PRIORITY(pm, Main));
|
|
|
|
/* Initialize process manager implementation. */
|
|
R_ABORT_UNLESS(pm::impl::InitializeProcessManager());
|
|
|
|
/* Create Services. */
|
|
/* NOTE: Extra sessions have been added to pm:bm and pm:info to facilitate access by the rest of stratosphere. */
|
|
R_ABORT_UNLESS(g_server_manager.RegisterServer(PortIndex_Shell, ShellServiceName, ShellMaxSessions));
|
|
R_ABORT_UNLESS(g_server_manager.RegisterServer(PortIndex_DebugMonitor, DebugMonitorServiceName, DebugMonitorMaxSessions));
|
|
R_ABORT_UNLESS(g_server_manager.RegisterServer(PortIndex_BootMode, BootModeServiceName, BootModeMaxSessions));
|
|
R_ABORT_UNLESS(g_server_manager.RegisterServer(PortIndex_Information, InformationServiceName, InformationMaxSessions));
|
|
|
|
/* Loop forever, servicing our services. */
|
|
g_server_manager.LoopProcess();
|
|
|
|
return 0;
|
|
}
|
|
|