From ab3c8268f0deefe88192e4357a9124093012b821 Mon Sep 17 00:00:00 2001
From: brian218 <17809637+brian218@users.noreply.github.com>
Date: Sun, 11 Dec 2022 16:10:06 +0800
Subject: [PATCH] sys_sm: Implemented sys_sm_shutdown() (#13048)

---
 rpcs3/Emu/Cell/lv2/sys_process.cpp |  7 ++++++
 rpcs3/Emu/Cell/lv2/sys_process.h   |  1 +
 rpcs3/Emu/Cell/lv2/sys_sm.cpp      | 40 ++++++++++++++++++++++++++++--
 rpcs3/Emu/Cell/lv2/sys_sm.h        |  2 +-
 4 files changed, 47 insertions(+), 3 deletions(-)

diff --git a/rpcs3/Emu/Cell/lv2/sys_process.cpp b/rpcs3/Emu/Cell/lv2/sys_process.cpp
index ede903a91c..3a71c5ce41 100644
--- a/rpcs3/Emu/Cell/lv2/sys_process.cpp
+++ b/rpcs3/Emu/Cell/lv2/sys_process.cpp
@@ -402,6 +402,13 @@ void _sys_process_exit2(ppu_thread& ppu, s32 status, vm::ptr<sys_exit2_param> ar
 
 	// TODO: set prio, flags
 
+	lv2_exitspawn(ppu, argv, envp, data);
+}
+
+void lv2_exitspawn(ppu_thread& ppu, std::vector<std::string>& argv, std::vector<std::string>& envp, std::vector<u8>& data)
+{
+	ppu.state += cpu_flag::wait;
+
 	Emu.CallFromMainThread([argv = std::move(argv), envp = std::move(envp), data = std::move(data)]() mutable
 	{
 		sys_process.success("Process finished -> %s", argv[0]);
diff --git a/rpcs3/Emu/Cell/lv2/sys_process.h b/rpcs3/Emu/Cell/lv2/sys_process.h
index ebd3ac0bcb..774384567b 100644
--- a/rpcs3/Emu/Cell/lv2/sys_process.h
+++ b/rpcs3/Emu/Cell/lv2/sys_process.h
@@ -101,6 +101,7 @@ extern ps3_process_info_t  g_ps3_process_info;
 // Auxiliary functions
 s32 process_getpid();
 s32 process_get_sdk_version(u32 pid, s32& ver);
+void lv2_exitspawn(ppu_thread& ppu, std::vector<std::string>& argv, std::vector<std::string>& envp, std::vector<u8>& data);
 
 enum CellError : u32;
 CellError process_is_spu_lock_line_reservation_address(u32 addr, u64 flags);
diff --git a/rpcs3/Emu/Cell/lv2/sys_sm.cpp b/rpcs3/Emu/Cell/lv2/sys_sm.cpp
index 6cb09a3589..0bed5f7035 100644
--- a/rpcs3/Emu/Cell/lv2/sys_sm.cpp
+++ b/rpcs3/Emu/Cell/lv2/sys_sm.cpp
@@ -1,7 +1,10 @@
 #include "stdafx.h"
 #include "Emu/Memory/vm.h"
+#include "Emu/System.h"
 
 #include "Emu/Cell/ErrorCodes.h"
+#include "Emu/Cell/PPUThread.h"
+#include "Emu/Cell/lv2/sys_process.h"
 
 #include "sys_sm.h"
 
@@ -41,9 +44,42 @@ error_code sys_sm_get_ext_event2(vm::ptr<u64> a1, vm::ptr<u64> a2, vm::ptr<u64>
 	return not_an_error(CELL_EAGAIN);
 }
 
-error_code sys_sm_shutdown(u16 op, vm::ptr<void> param, u64 size)
+error_code sys_sm_shutdown(ppu_thread& ppu, u16 op, vm::ptr<void> param, u64 size)
 {
-	sys_sm.todo("sys_sm_shutdown(op=0x%x, param=*0x%x, size=0x%x)", op, param, size);
+	ppu.state += cpu_flag::wait;
+
+	sys_sm.success("sys_sm_shutdown(op=0x%x, param=*0x%x, size=0x%x)", op, param, size);
+
+	if (!g_ps3_process_info.has_root_perm())
+	{
+		return CELL_ENOSYS;
+	}
+
+	switch (op)
+	{
+	case 0x100:
+	case 0x1100:
+	{
+		sys_sm.success("Received shutdown request from application");
+		_sys_process_exit(ppu, 0, 0, 0);
+		break;
+	}
+	case 0x200:
+	case 0x1200:
+	{
+		sys_sm.success("Received reboot request from application");
+		lv2_exitspawn(ppu, Emu.argv, Emu.envp, Emu.data);
+		break;
+	}
+	case 0x8201:
+	case 0x8202:
+	case 0x8204:
+	{
+		sys_sm.warning("Unsupported LPAR operation: 0x%x", op);
+		return CELL_ENOTSUP;
+	}
+	default: return CELL_EINVAL;
+	}
 
 	return CELL_OK;
 }
diff --git a/rpcs3/Emu/Cell/lv2/sys_sm.h b/rpcs3/Emu/Cell/lv2/sys_sm.h
index bcf43d2e82..862d827906 100644
--- a/rpcs3/Emu/Cell/lv2/sys_sm.h
+++ b/rpcs3/Emu/Cell/lv2/sys_sm.h
@@ -6,7 +6,7 @@
 // SysCalls
 
 error_code sys_sm_get_ext_event2(vm::ptr<u64> a1, vm::ptr<u64> a2, vm::ptr<u64> a3, u64 a4);
-error_code sys_sm_shutdown(u16 op, vm::ptr<void> param, u64 size);
+error_code sys_sm_shutdown(ppu_thread& ppu, u16 op, vm::ptr<void> param, u64 size);
 error_code sys_sm_get_params(vm::ptr<u8> a, vm::ptr<u8> b, vm::ptr<u32> c, vm::ptr<u64> d);
 error_code sys_sm_control_led(u8 led, u8 action);
 error_code sys_sm_ring_buzzer(u64 packet, u64 a1, u64 a2);