mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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103 lines
3.6 KiB
C++
103 lines
3.6 KiB
C++
/*
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* Copyright (c) 2018-2020 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 <vapours.hpp>
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#include <exosphere/pkg1.hpp>
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#include <exosphere/se.hpp>
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#include <exosphere/secmon/secmon_monitor_context.hpp>
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namespace ams::secmon {
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struct ConfigurationContext {
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union {
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SecureMonitorConfiguration secmon_cfg;
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u8 _raw_exosphere_config[0x80];
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};
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union {
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EmummcConfiguration emummc_cfg;
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u8 _raw_emummc_config[0x120];
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};
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union {
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u8 _misc_data[0x400 - sizeof(_raw_exosphere_config) - sizeof(_raw_emummc_config)];
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};
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u8 sealed_device_keys[pkg1::KeyGeneration_Max][se::AesBlockSize];
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u8 sealed_master_keys[pkg1::KeyGeneration_Max][se::AesBlockSize];
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pkg1::BootConfig boot_config;
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u8 rsa_private_exponents[4][se::RsaSize];
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};
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static_assert(sizeof(ConfigurationContext) == 0x1000);
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static_assert(util::is_pod<ConfigurationContext>::value);
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static_assert(offsetof(ConfigurationContext, sealed_device_keys) == 0x400);
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namespace impl {
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ALWAYS_INLINE uintptr_t GetConfigurationContextAddress() {
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register uintptr_t x18 asm("x18");
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__asm__ __volatile__("" : [x18]"=r"(x18));
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return x18;
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}
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ALWAYS_INLINE ConfigurationContext &GetConfigurationContext() {
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return *reinterpret_cast<ConfigurationContext *>(GetConfigurationContextAddress());
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}
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ALWAYS_INLINE u8 *GetMasterKeyStorage(int generation) {
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return GetConfigurationContext().sealed_master_keys[generation];
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}
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ALWAYS_INLINE u8 *GetDeviceMasterKeyStorage(int generation) {
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return GetConfigurationContext().sealed_device_keys[generation];
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}
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ALWAYS_INLINE u8 *GetRsaPrivateExponentStorage(int which) {
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return GetConfigurationContext().rsa_private_exponents[which];
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}
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ALWAYS_INLINE void SetKeyGeneration(int generation) {
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GetConfigurationContext().secmon_cfg.key_generation = generation;
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}
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ALWAYS_INLINE pkg1::BootConfig *GetBootConfigStorage() {
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return std::addressof(GetConfigurationContext().boot_config);
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}
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}
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ALWAYS_INLINE const ConfigurationContext &GetConfigurationContext() {
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return *reinterpret_cast<const ConfigurationContext *>(impl::GetConfigurationContextAddress());
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}
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ALWAYS_INLINE const SecureMonitorConfiguration &GetSecmonConfiguration() {
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return GetConfigurationContext().secmon_cfg;
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}
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ALWAYS_INLINE const EmummcConfiguration &GetEmummcConfiguration() {
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return GetConfigurationContext().emummc_cfg;
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}
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ALWAYS_INLINE const pkg1::BootConfig &GetBootConfig() {
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return GetConfigurationContext().boot_config;
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}
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ALWAYS_INLINE ams::TargetFirmware GetTargetFirmware() {
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return GetSecmonConfiguration().GetTargetFirmware();
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}
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ALWAYS_INLINE int GetKeyGeneration() {
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return GetSecmonConfiguration().GetKeyGeneration();
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}
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}
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