mirror of
https://github.com/Atmosphere-NX/Atmosphere-libs.git
synced 2025-06-21 11:02:45 +02:00
136 lines
3.9 KiB
C++
136 lines
3.9 KiB
C++
/*
|
|
* Copyright (c) 2018-2019 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/>.
|
|
*/
|
|
|
|
#pragma once
|
|
#include <switch.h>
|
|
#include <cstdlib>
|
|
|
|
#include "hossynch.hpp"
|
|
#include "mitm/sm_mitm.h"
|
|
|
|
static inline void RebootToRcm() {
|
|
SecmonArgs args = {0};
|
|
args.X[0] = 0xC3000401; /* smcSetConfig */
|
|
args.X[1] = 65001; /* Exosphere reboot */
|
|
args.X[3] = 1; /* Perform reboot to RCM. */
|
|
svcCallSecureMonitor(&args);
|
|
}
|
|
|
|
static inline void RebootToIramPayload() {
|
|
SecmonArgs args = {0};
|
|
args.X[0] = 0xC3000401; /* smcSetConfig */
|
|
args.X[1] = 65001; /* Exosphere reboot */
|
|
args.X[3] = 2; /* Perform reboot to payload at 0x40010000 in IRAM. */
|
|
svcCallSecureMonitor(&args);
|
|
}
|
|
|
|
static inline void PerformShutdownSmc() {
|
|
SecmonArgs args = {0};
|
|
args.X[0] = 0xC3000401; /* smcSetConfig */
|
|
args.X[1] = 65002; /* Exosphere shutdown */
|
|
args.X[3] = 1; /* Perform shutdown. */
|
|
svcCallSecureMonitor(&args);
|
|
}
|
|
|
|
static inline void CopyToIram(uintptr_t iram_addr, void *src_addr, size_t size) {
|
|
SecmonArgs args = {0};
|
|
args.X[0] = 0xF0000201; /* smcAmsIramCopy */
|
|
args.X[1] = (u64)src_addr; /* DRAM address */
|
|
args.X[2] = (u64)iram_addr; /* IRAM address */
|
|
args.X[3] = size; /* Amount to copy */
|
|
args.X[4] = 1; /* 1 = Write */
|
|
svcCallSecureMonitor(&args);
|
|
}
|
|
|
|
static inline void CopyFromIram(void *dst_addr, uintptr_t iram_addr, size_t size) {
|
|
SecmonArgs args = {0};
|
|
args.X[0] = 0xF0000201; /* smcAmsIramCopy */
|
|
args.X[1] = (u64)dst_addr; /* DRAM address */
|
|
args.X[2] = (u64)iram_addr; /* IRAM address */
|
|
args.X[3] = size; /* Amount to copy */
|
|
args.X[4] = 0; /* 0 = Read */
|
|
svcCallSecureMonitor(&args);
|
|
}
|
|
|
|
static inline Result SmcGetConfig(SplConfigItem config_item, u64 *out_config) {
|
|
SecmonArgs args = {0};
|
|
args.X[0] = 0xC3000002; /* smcGetConfig */
|
|
args.X[1] = (u64)config_item; /* config item */
|
|
|
|
Result rc = svcCallSecureMonitor(&args);
|
|
if (R_SUCCEEDED(rc)) {
|
|
if (args.X[0] == 0) {
|
|
if (out_config) {
|
|
*out_config = args.X[1];
|
|
}
|
|
} else {
|
|
/* SPL result n = SMC result n */
|
|
rc = MAKERESULT(26, args.X[0]);
|
|
}
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
static inline Result GetRcmBugPatched(bool *out) {
|
|
u64 tmp = 0;
|
|
Result rc = SmcGetConfig((SplConfigItem)65004, &tmp);
|
|
if (R_SUCCEEDED(rc)) {
|
|
*out = (tmp != 0);
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
static inline bool IsRcmBugPatched() {
|
|
bool rcm_bug_patched;
|
|
if (R_FAILED(GetRcmBugPatched(&rcm_bug_patched))) {
|
|
std::abort();
|
|
}
|
|
return rcm_bug_patched;
|
|
}
|
|
|
|
HosRecursiveMutex &GetSmSessionMutex();
|
|
HosRecursiveMutex &GetSmMitmSessionMutex();
|
|
|
|
template<typename F>
|
|
static void DoWithSmSession(F f) {
|
|
std::scoped_lock<HosRecursiveMutex &> lk(GetSmSessionMutex());
|
|
{
|
|
Result rc;
|
|
if (R_SUCCEEDED((rc = smInitialize()))) {
|
|
f();
|
|
} else {
|
|
/* TODO: fatalSimple(rc); ? */
|
|
std::abort();
|
|
}
|
|
smExit();
|
|
}
|
|
}
|
|
|
|
template<typename F>
|
|
static void DoWithSmMitmSession(F f) {
|
|
std::scoped_lock<HosRecursiveMutex &> lk(GetSmMitmSessionMutex());
|
|
{
|
|
Result rc;
|
|
if (R_SUCCEEDED((rc = smMitMInitialize()))) {
|
|
f();
|
|
} else {
|
|
/* TODO: fatalSimple(rc); ? */
|
|
std::abort();
|
|
}
|
|
smMitMExit();
|
|
}
|
|
}
|