Atmosphere/libraries/libexosphere/include/exosphere/secmon/secmon_volatile_context.hpp
Michael Scire f66b41c027 exo2: Initial work on the exosphere rewrite.
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
2020-06-14 22:07:45 -07:00

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/*
* Copyright (c) 2018-2020 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 <vapours.hpp>
namespace ams::secmon {
/* The VolatileStack page is reserved entirely for use for core 3 SMC handling. */
constexpr inline const Address Core3SmcStackAddress = MemoryRegionVirtualTzramVolatileStack.GetAddress() + MemoryRegionVirtualTzramVolatileStack.GetSize();
constexpr inline const size_t CoreExceptionStackSize = 0x80;
/* Nintendo uses the bottom 0x740 of this as a stack for warmboot setup, and another 0x740 for the core 0/1/2 SMC stacks. */
/* This is...wasteful. The warmboot stack is not deep. We will thus save 1K+ of nonvolatile storage by keeping the random cache in here. */
struct VolatileData {
u8 random_cache[0x400];
u8 se_work_block[crypto::AesEncryptor128::BlockSize];
u8 reserved_danger_zone[0x30]; /* This memory is "available", but careful consideration must be taken before declaring it used. */
u8 warmboot_stack[0x380];
u8 core012_smc_stack[0x6C0];
u8 core_exception_stacks[3][CoreExceptionStackSize];
};
static_assert(util::is_pod<VolatileData>::value);
static_assert(sizeof(VolatileData) == 0x1000);
ALWAYS_INLINE VolatileData &GetVolatileData() {
return *MemoryRegionVirtualTzramVolatileData.GetPointer<VolatileData>();
}
ALWAYS_INLINE u8 *GetRandomBytesCache() {
return GetVolatileData().random_cache;
}
constexpr ALWAYS_INLINE size_t GetRandomBytesCacheSize() {
return sizeof(VolatileData::random_cache);
}
ALWAYS_INLINE u8 *GetSecurityEngineEphemeralWorkBlock() {
return GetVolatileData().se_work_block;
}
constexpr inline const Address WarmbootStackAddress = MemoryRegionVirtualTzramVolatileData.GetAddress() + offsetof(VolatileData, warmboot_stack) + sizeof(VolatileData::warmboot_stack);
constexpr inline const Address Core012SmcStackAddress = MemoryRegionVirtualTzramVolatileData.GetAddress() + offsetof(VolatileData, core012_smc_stack) + sizeof(VolatileData::core012_smc_stack);
constexpr inline const Address Core0ExceptionStackAddress = MemoryRegionVirtualTzramVolatileData.GetAddress() + offsetof(VolatileData, core_exception_stacks) + CoreExceptionStackSize;
constexpr inline const Address Core1ExceptionStackAddress = Core0ExceptionStackAddress + CoreExceptionStackSize;
constexpr inline const Address Core2ExceptionStackAddress = Core1ExceptionStackAddress + CoreExceptionStackSize;
}