mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-05 19:51:45 +00:00
381 lines
No EOL
12 KiB
C++
381 lines
No EOL
12 KiB
C++
#include <switch.h>
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#include <stratosphere.hpp>
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#include <atomic>
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#include "pm_registration.hpp"
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#include "pm_process_wait.hpp"
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static ProcessList g_process_list;
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static HosSemaphore g_sema_finish_launch;
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static HosMutex g_process_launch_mutex;
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static Registration::ProcessLaunchState g_process_launch_state;
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static std::atomic_bool g_debug_next_application(false);
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static std::atomic<u64> g_debug_on_launch_tid(0);
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static SystemEvent *g_process_event = NULL;
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static SystemEvent *g_debug_title_event = NULL;
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static SystemEvent *g_debug_application_event = NULL;
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static SystemEvent *g_process_launch_start_event = NULL;
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static const u64 g_memory_resource_limits[5][3] = {
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{0x010D00000ULL, 0x0CD500000ULL, 0x021700000ULL},
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{0x01E100000ULL, 0x080000000ULL, 0x061800000ULL},
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{0x014800000ULL, 0x0CD500000ULL, 0x01DC00000ULL},
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{0x028D00000ULL, 0x133400000ULL, 0x023800000ULL},
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{0x028D00000ULL, 0x0CD500000ULL, 0x089700000ULL}
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};
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/* These are the limits for LimitableResources. */
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/* Memory, Threads, Events, TransferMemories, Sessions. */
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static u64 g_resource_limits[3][5] = {
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{0x0, 0x1FC, 0x258, 0x80, 0x31A},
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{0x0, 0x60, 0x0, 0x20, 0x1},
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{0x0, 0x60, 0x0, 0x20, 0x5},
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};
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static Handle g_resource_limit_handles[3] = {0};
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void Registration::InitializeSystemResources() {
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g_process_event = new SystemEvent(&IEvent::PanicCallback);
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g_debug_title_event = new SystemEvent(&IEvent::PanicCallback);
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g_debug_application_event = new SystemEvent(&IEvent::PanicCallback);
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g_process_launch_start_event = new SystemEvent(&Registration::ProcessLaunchStartCallback);
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/* Get memory limits. */
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u64 memory_arrangement;
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if (R_FAILED(splGetConfig(SplConfigItem_MemoryArrange, &memory_arrangement))) {
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/* TODO: panic. */
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}
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memory_arrangement &= 0x3F;
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int memory_limit_type;
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switch (memory_arrangement) {
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case 2:
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memory_limit_type = 1;
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break;
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case 3:
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memory_limit_type = 2;
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break;
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case 17:
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memory_limit_type = 3;
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break;
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case 18:
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memory_limit_type = 4;
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break;
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default:
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memory_limit_type = 0;
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break;
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}
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for (unsigned int i = 0; i < 3; i++) {
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g_resource_limits[i][0] = g_memory_resource_limits[memory_limit_type][i];
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}
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/* Create resource limits. */
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for (unsigned int i = 0; i < 3; i++) {
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if (i > 0) {
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if (R_FAILED(svcCreateResourceLimit(&g_resource_limit_handles[i]))) {
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/* TODO: Panic. */
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}
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} else {
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u64 out = 0;
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if (R_FAILED(svcGetInfo(&out, 9, 0, 0))) {
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/* TODO: Panic. */
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}
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g_resource_limit_handles[i] = (Handle)out;
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}
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for (unsigned int r = 0; r < 5; r++) {
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if (R_FAILED(svcSetResourceLimitLimitValue(g_resource_limit_handles[i], (LimitableResource)r, g_resource_limits[i][r]))) {
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/* TODO: Panic. */
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}
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}
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}
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}
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Result Registration::ProcessLaunchStartCallback(Handle *handles, size_t num_handles, u64 timeout) {
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Registration::HandleProcessLaunch();
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return 0;
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}
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IWaitable *Registration::GetProcessLaunchStartEvent() {
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return g_process_launch_start_event;
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}
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IWaitable *Registration::GetProcessList() {
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return &g_process_list;
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}
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void Registration::HandleProcessLaunch() {
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LoaderProgramInfo program_info = {0};
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Result rc;
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u64 launch_flags = g_process_launch_state.launch_flags;
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const u8 *acid_fac, *aci0_fah, *acid_sac, *aci0_sac;
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u64 *out_pid = g_process_launch_state.out_pid;
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u32 reslimit_idx;
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Process new_process = {0};
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new_process.tid_sid = g_process_launch_state.tid_sid;
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/* Check that this is a real program. */
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if (R_FAILED((rc = ldrPmGetProgramInfo(new_process.tid_sid.title_id, new_process.tid_sid.storage_id, &program_info)))) {
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goto HANDLE_PROCESS_LAUNCH_END;
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}
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/* Get the resource limit handle, ensure that we can launch the program. */
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if ((program_info.application_type & 3) == 1) {
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if (HasApplicationProcess()) {
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rc = 0xA0F;
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goto HANDLE_PROCESS_LAUNCH_END;
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}
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reslimit_idx = 1;
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} else {
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reslimit_idx = 2 * ((program_info.application_type & 3) == 2);
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}
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/* Try to register the title for launch in loader... */
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if (R_FAILED((rc = ldrPmRegisterTitle(new_process.tid_sid.title_id, new_process.tid_sid.storage_id, &new_process.ldr_queue_index)))) {
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goto HANDLE_PROCESS_LAUNCH_END;
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}
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/* Make sure the previous application is cleaned up. */
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if ((program_info.application_type & 3) == 1) {
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EnsureApplicationResourcesAvailable();
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}
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/* Try to create the process... */
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if (R_FAILED((rc = ldrPmCreateProcess((launch_flags >> 2) & 3, new_process.ldr_queue_index, g_resource_limit_handles[reslimit_idx], &new_process.handle)))) {
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goto PROCESS_CREATION_FAILED;
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}
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/* Get the new process's id. */
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svcGetProcessId(&new_process.pid, new_process.handle);
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/* Register with FS. */
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acid_fac = program_info.ac_buffer + program_info.acid_sac_size + program_info.aci0_sac_size;
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aci0_fah = acid_fac + program_info.acid_fac_size;
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if (R_FAILED((rc = fsprRegisterProgram(new_process.pid, new_process.tid_sid.title_id, new_process.tid_sid.storage_id, aci0_fah, program_info.aci0_fah_size, acid_fac, program_info.acid_fac_size)))) {
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goto FS_REGISTRATION_FAILED;
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}
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/* Register with PM. */
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acid_sac = program_info.ac_buffer;
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aci0_sac = program_info.ac_buffer + program_info.acid_sac_size;
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if (R_FAILED((rc = smManagerRegisterProcess(new_process.pid, acid_sac, program_info.acid_sac_size, aci0_sac, program_info.aci0_sac_size)))) {
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goto SM_REGISTRATION_FAILED;
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}
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/* Setup process flags. */
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if (program_info.application_type & 1) {
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new_process.flags |= 0x40;
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}
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if (launch_flags & 1) {
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new_process.flags |= 1;
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}
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if (launch_flags & 0x10) {
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new_process.flags |= 0x8;
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}
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/* Add process to the list. */
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Registration::AddProcessToList(&new_process);
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/* Signal, if relevant. */
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if (new_process.tid_sid.title_id == g_debug_on_launch_tid.load()) {
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g_debug_title_event->signal_event();
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g_debug_on_launch_tid = 0;
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rc = 0;
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} else if ((new_process.flags & 0x40) && g_debug_next_application.load()) {
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g_debug_application_event->signal_event();
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g_debug_next_application = false;
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rc = 0;
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} else if (launch_flags & 2) {
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rc = 0;
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} else {
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rc = svcStartProcess(new_process.handle, program_info.main_thread_priority, program_info.default_cpu_id, program_info.main_thread_stack_size);
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if (R_SUCCEEDED(rc)) {
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SetProcessState(new_process.pid, ProcessState_DebugDetached);
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}
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}
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if (R_FAILED(rc)) {
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Registration::RemoveProcessFromList(new_process.pid);
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smManagerUnregisterProcess(new_process.pid);
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}
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SM_REGISTRATION_FAILED:
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if (R_FAILED(rc)) {
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fsprUnregisterProgram(new_process.pid);
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}
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FS_REGISTRATION_FAILED:
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if (R_FAILED(rc)) {
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svcCloseHandle(new_process.handle);
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}
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PROCESS_CREATION_FAILED:
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if (R_FAILED(rc)) {
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ldrPmUnregisterTitle(new_process.ldr_queue_index);
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}
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HANDLE_PROCESS_LAUNCH_END:
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g_process_launch_state.result = rc;
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if (R_SUCCEEDED(rc)) {
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*out_pid = new_process.pid;
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}
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g_sema_finish_launch.Signal();
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}
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Result Registration::LaunchProcess(u64 title_id, FsStorageId storage_id, u64 launch_flags, u64 *out_pid) {
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Result rc;
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/* Only allow one mutex to exist. */
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g_process_launch_mutex.Lock();
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g_process_launch_state.tid_sid.title_id = title_id;
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g_process_launch_state.tid_sid.storage_id = storage_id;
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g_process_launch_state.launch_flags = launch_flags;
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g_process_launch_state.out_pid = out_pid;
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/* Start a launch, and wait for it to exit. */
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g_process_launch_start_event->signal_event();
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g_sema_finish_launch.Wait();
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rc = g_process_launch_state.result;
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g_process_launch_mutex.Unlock();
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return rc;
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}
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Result Registration::LaunchProcessByTidSid(TidSid tid_sid, u64 launch_flags, u64 *out_pid) {
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return LaunchProcess(tid_sid.title_id, tid_sid.storage_id, launch_flags, out_pid);
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};
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void Registration::HandleSignaledProcess(Process *process) {
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u64 tmp;
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/* Reset the signal. */
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svcResetSignal(process->handle);
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ProcessState old_state;
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old_state = process->state;
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svcGetProcessInfo(&tmp, process->handle, ProcessInfoType_ProcessState);
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process->state = (ProcessState)tmp;
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if (old_state == ProcessState_Crashed && process->state != ProcessState_Crashed) {
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process->flags &= ~0x4;
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}
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switch (process->state) {
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case ProcessState_Created:
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case ProcessState_DebugAttached:
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case ProcessState_Exiting:
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break;
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case ProcessState_DebugDetached:
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case ProcessState_Running:
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if (process->flags & 8) {
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process->flags &= ~0x30;
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process->flags |= 0x10;
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g_process_event->signal_event();
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}
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break;
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case ProcessState_Crashed:
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process->flags |= 6;
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g_process_event->signal_event();
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break;
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case ProcessState_Exited:
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if (process->flags & 1) {
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g_process_event->signal_event();
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} else {
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FinalizeExitedProcess(process);
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}
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break;
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case ProcessState_DebugSuspended:
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if (process->flags & 8) {
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process->flags |= 0x30;
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g_process_event->signal_event();
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}
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break;
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}
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}
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void Registration::FinalizeExitedProcess(Process *process) {
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g_process_list.Lock();
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/* Unregister with FS. */
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if (R_FAILED(fsprUnregisterProgram(process->pid))) {
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/* TODO: Panic. */
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}
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/* Unregister with SM. */
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if (R_FAILED(smManagerUnregisterProcess(process->pid))) {
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/* TODO: Panic. */
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}
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/* Unregister with LDR. */
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if (R_FAILED(ldrPmUnregisterTitle(process->ldr_queue_index))) {
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/* TODO: Panic. */
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}
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/* Remove. */
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RemoveProcessFromList(process->pid);
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g_process_list.Unlock();
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}
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void Registration::AddProcessToList(Process *process) {
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g_process_list.Lock();
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g_process_list.process_waiters.push_back(new ProcessWaiter(process));
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g_process_list.Unlock();
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}
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void Registration::RemoveProcessFromList(u64 pid) {
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g_process_list.Lock();
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/* Remove process from list. */
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for (unsigned int i = 0; i < g_process_list.process_waiters.size(); i++) {
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ProcessWaiter *pw = g_process_list.process_waiters[i];
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Registration::Process *process = pw->get_process();
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if (process->pid == pid) {
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g_process_list.process_waiters.erase(g_process_list.process_waiters.begin() + i);
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svcCloseHandle(process->handle);
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delete pw;
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break;
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}
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}
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g_process_list.Unlock();
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}
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void Registration::SetProcessState(u64 pid, ProcessState new_state) {
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g_process_list.Lock();
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/* Set process state. */
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for (unsigned int i = 0; i < g_process_list.process_waiters.size(); i++) {
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ProcessWaiter *pw = g_process_list.process_waiters[i];
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Registration::Process *process = pw->get_process();
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if (process->pid == pid) {
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process->state = new_state;
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break;
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}
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}
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g_process_list.Unlock();
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}
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bool Registration::HasApplicationProcess() {
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bool has_app = false;
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g_process_list.Lock();
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for (auto &pw : g_process_list.process_waiters) {
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if (pw->get_process()->flags & 0x40) {
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has_app = true;
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break;
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}
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}
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g_process_list.Unlock();
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return has_app;
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}
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void Registration::EnsureApplicationResourcesAvailable() {
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Handle application_reslimit_h = g_resource_limit_handles[1];
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for (unsigned int i = 0; i < 5; i++) {
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u64 result;
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do {
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if (R_FAILED(svcGetResourceLimitCurrentValue(&result, application_reslimit_h, (LimitableResource)i))) {
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return;
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}
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svcSleepThread(1000000ULL);
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} while (result);
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}
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} |