mirror of
https://github.com/Atmosphere-NX/Atmosphere
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f66b41c027
exo2: Implement uncompressor stub and boot code up to Main(). exo2: implement some more init (uart/gic) exo2: implement more of init exo2: improve reg api, add keyslot flag setters exo2: implement se aes decryption/enc exo2: fix bugs in loader stub/mmu mappings exo2: start skeletoning bootconfig/global context types arch: fix makefile flags exo2: implement through master key derivation exo2: implement device master keygen exo2: more init through start of SetupSocSecurity exo2: implement pmc secure scratch management se: implement sticky bit validation libexosphere: fix building for arm32 libexo: fix makefile flags libexo: support building for arm64/arm sc7fw: skeleton binary sc7fw: skeleton a little more sc7fw: implement all non-dram functionality exo2: fix DivideUp error sc7fw: implement more dram code, fix reg library errors sc7fw: complete sc7fw impl. exo2: skeleton the rest of SetupSocSecurity exo2: implement fiq interrupt handler exo2: implement all exception handlers exo2: skeleton the entire smc api, implement the svc invoker exo2: implement rest of SetupSocSecurity exo2: correct slave security errors exo2: fix register definition exo2: minor fixes
62 lines
3 KiB
C++
62 lines
3 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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namespace ams::secmon {
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/* The VolatileStack page is reserved entirely for use for core 3 SMC handling. */
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constexpr inline const Address Core3SmcStackAddress = MemoryRegionVirtualTzramVolatileStack.GetAddress() + MemoryRegionVirtualTzramVolatileStack.GetSize();
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constexpr inline const size_t CoreExceptionStackSize = 0x80;
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/* Nintendo uses the bottom 0x740 of this as a stack for warmboot setup, and another 0x740 for the core 0/1/2 SMC stacks. */
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/* This is...wasteful. The warmboot stack is not deep. We will thus save 1K+ of nonvolatile storage by keeping the random cache in here. */
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struct VolatileData {
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u8 random_cache[0x400];
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u8 se_work_block[crypto::AesEncryptor128::BlockSize];
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u8 reserved_danger_zone[0x30]; /* This memory is "available", but careful consideration must be taken before declaring it used. */
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u8 warmboot_stack[0x380];
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u8 core012_smc_stack[0x6C0];
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u8 core_exception_stacks[3][CoreExceptionStackSize];
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};
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static_assert(util::is_pod<VolatileData>::value);
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static_assert(sizeof(VolatileData) == 0x1000);
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ALWAYS_INLINE VolatileData &GetVolatileData() {
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return *MemoryRegionVirtualTzramVolatileData.GetPointer<VolatileData>();
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}
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ALWAYS_INLINE u8 *GetRandomBytesCache() {
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return GetVolatileData().random_cache;
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}
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constexpr ALWAYS_INLINE size_t GetRandomBytesCacheSize() {
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return sizeof(VolatileData::random_cache);
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}
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ALWAYS_INLINE u8 *GetSecurityEngineEphemeralWorkBlock() {
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return GetVolatileData().se_work_block;
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}
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constexpr inline const Address WarmbootStackAddress = MemoryRegionVirtualTzramVolatileData.GetAddress() + offsetof(VolatileData, warmboot_stack) + sizeof(VolatileData::warmboot_stack);
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constexpr inline const Address Core012SmcStackAddress = MemoryRegionVirtualTzramVolatileData.GetAddress() + offsetof(VolatileData, core012_smc_stack) + sizeof(VolatileData::core012_smc_stack);
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constexpr inline const Address Core0ExceptionStackAddress = MemoryRegionVirtualTzramVolatileData.GetAddress() + offsetof(VolatileData, core_exception_stacks) + CoreExceptionStackSize;
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constexpr inline const Address Core1ExceptionStackAddress = Core0ExceptionStackAddress + CoreExceptionStackSize;
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constexpr inline const Address Core2ExceptionStackAddress = Core1ExceptionStackAddress + CoreExceptionStackSize;
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}
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