mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-09-20 15:18:59 +00:00
f534d3498e
subrepo: subdir: "stratosphere/libstratosphere" merged: "0c5dab80" upstream: origin: "https://github.com/Atmosphere-NX/libstratosphere" branch: "master" commit: "0c5dab80" git-subrepo: version: "0.4.0" origin: "https://github.com/ingydotnet/git-subrepo" commit: "5d6aba9"
129 lines
3.9 KiB
C++
129 lines
3.9 KiB
C++
/*
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* Copyright (c) 2018-2019 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <switch.h>
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#include <cstdlib>
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#include "hossynch.hpp"
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static inline uintptr_t GetIoMapping(const u64 io_addr, const u64 io_size) {
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u64 vaddr;
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const u64 aligned_addr = (io_addr & ~0xFFFul);
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const u64 aligned_size = io_size + (io_addr - aligned_addr);
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R_ASSERT(svcQueryIoMapping(&vaddr, aligned_addr, aligned_size));
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return static_cast<uintptr_t>(vaddr + (io_addr - aligned_addr));
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}
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static inline void RebootToRcm() {
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SecmonArgs args = {0};
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args.X[0] = 0xC3000401; /* smcSetConfig */
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args.X[1] = 65001; /* Exosphere reboot */
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args.X[3] = 1; /* Perform reboot to RCM. */
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svcCallSecureMonitor(&args);
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}
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static inline void RebootToIramPayload() {
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SecmonArgs args = {0};
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args.X[0] = 0xC3000401; /* smcSetConfig */
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args.X[1] = 65001; /* Exosphere reboot */
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args.X[3] = 2; /* Perform reboot to payload at 0x40010000 in IRAM. */
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svcCallSecureMonitor(&args);
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}
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static inline void PerformShutdownSmc() {
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SecmonArgs args = {0};
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args.X[0] = 0xC3000401; /* smcSetConfig */
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args.X[1] = 65002; /* Exosphere shutdown */
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args.X[3] = 1; /* Perform shutdown. */
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svcCallSecureMonitor(&args);
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}
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static inline void CopyToIram(uintptr_t iram_addr, void *src_addr, size_t size) {
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SecmonArgs args = {0};
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args.X[0] = 0xF0000201; /* smcAmsIramCopy */
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args.X[1] = (u64)src_addr; /* DRAM address */
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args.X[2] = (u64)iram_addr; /* IRAM address */
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args.X[3] = size; /* Amount to copy */
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args.X[4] = 1; /* 1 = Write */
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svcCallSecureMonitor(&args);
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}
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static inline void CopyFromIram(void *dst_addr, uintptr_t iram_addr, size_t size) {
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SecmonArgs args = {0};
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args.X[0] = 0xF0000201; /* smcAmsIramCopy */
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args.X[1] = (u64)dst_addr; /* DRAM address */
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args.X[2] = (u64)iram_addr; /* IRAM address */
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args.X[3] = size; /* Amount to copy */
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args.X[4] = 0; /* 0 = Read */
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svcCallSecureMonitor(&args);
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}
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static inline Result SmcGetConfig(SplConfigItem config_item, u64 *out_config) {
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SecmonArgs args = {0};
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args.X[0] = 0xC3000002; /* smcGetConfig */
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args.X[1] = (u64)config_item; /* config item */
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R_TRY(svcCallSecureMonitor(&args));
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if (args.X[0] != 0) {
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/* SPL result n = SMC result n */
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return MAKERESULT(26, args.X[0]);
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}
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if (out_config) {
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*out_config = args.X[1];
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}
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return ResultSuccess;
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}
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static inline Result GetRcmBugPatched(bool *out) {
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u64 tmp = 0;
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R_TRY(SmcGetConfig((SplConfigItem)65004, &tmp));
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*out = (tmp != 0);
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return ResultSuccess;
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}
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static inline bool IsRcmBugPatched() {
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bool rcm_bug_patched;
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R_ASSERT(GetRcmBugPatched(&rcm_bug_patched));
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return rcm_bug_patched;
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}
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static inline Result GetShouldBlankProdInfo(bool *out) {
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u64 tmp = 0;
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R_TRY(SmcGetConfig((SplConfigItem)65005, &tmp));
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*out = (tmp != 0);
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return ResultSuccess;
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}
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static inline bool ShouldBlankProdInfo() {
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bool should_blank_prodinfo;
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R_ASSERT(GetShouldBlankProdInfo(&should_blank_prodinfo));
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return should_blank_prodinfo;
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}
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HosRecursiveMutex &GetSmSessionMutex();
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template<typename F>
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static void DoWithSmSession(F f) {
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std::scoped_lock<HosRecursiveMutex &> lk(GetSmSessionMutex());
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{
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R_ASSERT(smInitialize());
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f();
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smExit();
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}
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}
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