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author | bunnei <bunneidev@gmail.com> | 2021-02-13 00:47:05 +0100 |
---|---|---|
committer | bunnei <bunneidev@gmail.com> | 2021-02-19 01:16:25 +0100 |
commit | 7ed5dd0d62347054d5a03a24354cd43bec1184ba (patch) | |
tree | edfa5254f60164dbdc498380a820980e8b4deb1d /src/core/hle/kernel/memory | |
parent | hle: kernel: memory_manager: Rename AllocateContinuous to AllocateContinuous. (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/core/hle/kernel/k_address_space_info.cpp (renamed from src/core/hle/kernel/memory/address_space_info.cpp) | 60 | ||||
-rw-r--r-- | src/core/hle/kernel/k_address_space_info.h (renamed from src/core/hle/kernel/memory/address_space_info.h) | 15 | ||||
-rw-r--r-- | src/core/hle/kernel/memory/page_table.cpp | 34 |
3 files changed, 52 insertions, 57 deletions
diff --git a/src/core/hle/kernel/memory/address_space_info.cpp b/src/core/hle/kernel/k_address_space_info.cpp index 6cf43ba24..24944d15b 100644 --- a/src/core/hle/kernel/memory/address_space_info.cpp +++ b/src/core/hle/kernel/k_address_space_info.cpp @@ -2,15 +2,12 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. -// This file references various implementation details from Atmosphere, an open-source firmware for -// the Nintendo Switch. Copyright 2018-2020 Atmosphere-NX. - #include <array> #include "common/assert.h" -#include "core/hle/kernel/memory/address_space_info.h" +#include "core/hle/kernel/k_address_space_info.h" -namespace Kernel::Memory { +namespace Kernel { namespace { @@ -28,20 +25,20 @@ enum : u64 { }; // clang-format off -constexpr std::array<AddressSpaceInfo, 13> AddressSpaceInfos{{ - { .bit_width = 32, .address = Size_2_MB , .size = Size_1_GB - Size_2_MB , .type = AddressSpaceInfo::Type::Is32Bit, }, - { .bit_width = 32, .address = Size_1_GB , .size = Size_4_GB - Size_1_GB , .type = AddressSpaceInfo::Type::Small64Bit, }, - { .bit_width = 32, .address = Invalid , .size = Size_1_GB , .type = AddressSpaceInfo::Type::Heap, }, - { .bit_width = 32, .address = Invalid , .size = Size_1_GB , .type = AddressSpaceInfo::Type::Alias, }, - { .bit_width = 36, .address = Size_128_MB, .size = Size_2_GB - Size_128_MB, .type = AddressSpaceInfo::Type::Is32Bit, }, - { .bit_width = 36, .address = Size_2_GB , .size = Size_64_GB - Size_2_GB , .type = AddressSpaceInfo::Type::Small64Bit, }, - { .bit_width = 36, .address = Invalid , .size = Size_6_GB , .type = AddressSpaceInfo::Type::Heap, }, - { .bit_width = 36, .address = Invalid , .size = Size_6_GB , .type = AddressSpaceInfo::Type::Alias, }, - { .bit_width = 39, .address = Size_128_MB, .size = Size_512_GB - Size_128_MB, .type = AddressSpaceInfo::Type::Large64Bit, }, - { .bit_width = 39, .address = Invalid , .size = Size_64_GB , .type = AddressSpaceInfo::Type::Is32Bit }, - { .bit_width = 39, .address = Invalid , .size = Size_6_GB , .type = AddressSpaceInfo::Type::Heap, }, - { .bit_width = 39, .address = Invalid , .size = Size_64_GB , .type = AddressSpaceInfo::Type::Alias, }, - { .bit_width = 39, .address = Invalid , .size = Size_2_GB , .type = AddressSpaceInfo::Type::Stack, }, +constexpr std::array<KAddressSpaceInfo, 13> AddressSpaceInfos{{ + { .bit_width = 32, .address = Size_2_MB , .size = Size_1_GB - Size_2_MB , .type = KAddressSpaceInfo::Type::MapSmall, }, + { .bit_width = 32, .address = Size_1_GB , .size = Size_4_GB - Size_1_GB , .type = KAddressSpaceInfo::Type::MapLarge, }, + { .bit_width = 32, .address = Invalid , .size = Size_1_GB , .type = KAddressSpaceInfo::Type::Heap, }, + { .bit_width = 32, .address = Invalid , .size = Size_1_GB , .type = KAddressSpaceInfo::Type::Alias, }, + { .bit_width = 36, .address = Size_128_MB, .size = Size_2_GB - Size_128_MB, .type = KAddressSpaceInfo::Type::MapSmall, }, + { .bit_width = 36, .address = Size_2_GB , .size = Size_64_GB - Size_2_GB , .type = KAddressSpaceInfo::Type::MapLarge, }, + { .bit_width = 36, .address = Invalid , .size = Size_6_GB , .type = KAddressSpaceInfo::Type::Heap, }, + { .bit_width = 36, .address = Invalid , .size = Size_6_GB , .type = KAddressSpaceInfo::Type::Alias, }, + { .bit_width = 39, .address = Size_128_MB, .size = Size_512_GB - Size_128_MB, .type = KAddressSpaceInfo::Type::Map39Bit, }, + { .bit_width = 39, .address = Invalid , .size = Size_64_GB , .type = KAddressSpaceInfo::Type::MapSmall }, + { .bit_width = 39, .address = Invalid , .size = Size_6_GB , .type = KAddressSpaceInfo::Type::Heap, }, + { .bit_width = 39, .address = Invalid , .size = Size_64_GB , .type = KAddressSpaceInfo::Type::Alias, }, + { .bit_width = 39, .address = Invalid , .size = Size_2_GB , .type = KAddressSpaceInfo::Type::Stack, }, }}; // clang-format on @@ -49,7 +46,8 @@ constexpr bool IsAllowedIndexForAddress(std::size_t index) { return index < AddressSpaceInfos.size() && AddressSpaceInfos[index].address != Invalid; } -using IndexArray = std::array<std::size_t, static_cast<std::size_t>(AddressSpaceInfo::Type::Count)>; +using IndexArray = + std::array<std::size_t, static_cast<std::size_t>(KAddressSpaceInfo::Type::Count)>; constexpr IndexArray AddressSpaceIndices32Bit{ 0, 1, 0, 2, 0, 3, @@ -63,23 +61,23 @@ constexpr IndexArray AddressSpaceIndices39Bit{ 9, 8, 8, 10, 12, 11, }; -constexpr bool IsAllowed32BitType(AddressSpaceInfo::Type type) { - return type < AddressSpaceInfo::Type::Count && type != AddressSpaceInfo::Type::Large64Bit && - type != AddressSpaceInfo::Type::Stack; +constexpr bool IsAllowed32BitType(KAddressSpaceInfo::Type type) { + return type < KAddressSpaceInfo::Type::Count && type != KAddressSpaceInfo::Type::Map39Bit && + type != KAddressSpaceInfo::Type::Stack; } -constexpr bool IsAllowed36BitType(AddressSpaceInfo::Type type) { - return type < AddressSpaceInfo::Type::Count && type != AddressSpaceInfo::Type::Large64Bit && - type != AddressSpaceInfo::Type::Stack; +constexpr bool IsAllowed36BitType(KAddressSpaceInfo::Type type) { + return type < KAddressSpaceInfo::Type::Count && type != KAddressSpaceInfo::Type::Map39Bit && + type != KAddressSpaceInfo::Type::Stack; } -constexpr bool IsAllowed39BitType(AddressSpaceInfo::Type type) { - return type < AddressSpaceInfo::Type::Count && type != AddressSpaceInfo::Type::Small64Bit; +constexpr bool IsAllowed39BitType(KAddressSpaceInfo::Type type) { + return type < KAddressSpaceInfo::Type::Count && type != KAddressSpaceInfo::Type::MapLarge; } } // namespace -u64 AddressSpaceInfo::GetAddressSpaceStart(std::size_t width, Type type) { +u64 KAddressSpaceInfo::GetAddressSpaceStart(std::size_t width, Type type) { const std::size_t index{static_cast<std::size_t>(type)}; switch (width) { case 32: @@ -99,7 +97,7 @@ u64 AddressSpaceInfo::GetAddressSpaceStart(std::size_t width, Type type) { return 0; } -std::size_t AddressSpaceInfo::GetAddressSpaceSize(std::size_t width, Type type) { +std::size_t KAddressSpaceInfo::GetAddressSpaceSize(std::size_t width, Type type) { const std::size_t index{static_cast<std::size_t>(type)}; switch (width) { case 32: @@ -116,4 +114,4 @@ std::size_t AddressSpaceInfo::GetAddressSpaceSize(std::size_t width, Type type) return 0; } -} // namespace Kernel::Memory +} // namespace Kernel diff --git a/src/core/hle/kernel/memory/address_space_info.h b/src/core/hle/kernel/k_address_space_info.h index a4e6e91e5..06f31c6d5 100644 --- a/src/core/hle/kernel/memory/address_space_info.h +++ b/src/core/hle/kernel/k_address_space_info.h @@ -2,20 +2,17 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. -// This file references various implementation details from Atmosphere, an open-source firmware for -// the Nintendo Switch. Copyright 2018-2020 Atmosphere-NX. - #pragma once #include "common/common_types.h" -namespace Kernel::Memory { +namespace Kernel { -struct AddressSpaceInfo final { +struct KAddressSpaceInfo final { enum class Type : u32 { - Is32Bit = 0, - Small64Bit = 1, - Large64Bit = 2, + MapSmall = 0, + MapLarge = 1, + Map39Bit = 2, Heap = 3, Stack = 4, Alias = 5, @@ -31,4 +28,4 @@ struct AddressSpaceInfo final { const Type type{}; }; -} // namespace Kernel::Memory +} // namespace Kernel diff --git a/src/core/hle/kernel/memory/page_table.cpp b/src/core/hle/kernel/memory/page_table.cpp index 034d43ecd..02a17a695 100644 --- a/src/core/hle/kernel/memory/page_table.cpp +++ b/src/core/hle/kernel/memory/page_table.cpp @@ -6,11 +6,11 @@ #include "common/assert.h" #include "common/scope_exit.h" #include "core/core.h" +#include "core/hle/kernel/k_address_space_info.h" #include "core/hle/kernel/k_resource_limit.h" #include "core/hle/kernel/k_scoped_resource_reservation.h" #include "core/hle/kernel/k_system_control.h" #include "core/hle/kernel/kernel.h" -#include "core/hle/kernel/memory/address_space_info.h" #include "core/hle/kernel/memory/memory_block.h" #include "core/hle/kernel/memory/memory_block_manager.h" #include "core/hle/kernel/memory/page_linked_list.h" @@ -64,19 +64,19 @@ ResultCode PageTable::InitializeForProcess(FileSys::ProgramAddressSpaceType as_t bool enable_aslr, VAddr code_addr, std::size_t code_size, Memory::MemoryManager::Pool pool) { - const auto GetSpaceStart = [this](AddressSpaceInfo::Type type) { - return AddressSpaceInfo::GetAddressSpaceStart(address_space_width, type); + const auto GetSpaceStart = [this](KAddressSpaceInfo::Type type) { + return KAddressSpaceInfo::GetAddressSpaceStart(address_space_width, type); }; - const auto GetSpaceSize = [this](AddressSpaceInfo::Type type) { - return AddressSpaceInfo::GetAddressSpaceSize(address_space_width, type); + const auto GetSpaceSize = [this](KAddressSpaceInfo::Type type) { + return KAddressSpaceInfo::GetAddressSpaceSize(address_space_width, type); }; // Set our width and heap/alias sizes address_space_width = GetAddressSpaceWidthFromType(as_type); const VAddr start = 0; const VAddr end{1ULL << address_space_width}; - std::size_t alias_region_size{GetSpaceSize(AddressSpaceInfo::Type::Alias)}; - std::size_t heap_region_size{GetSpaceSize(AddressSpaceInfo::Type::Heap)}; + std::size_t alias_region_size{GetSpaceSize(KAddressSpaceInfo::Type::Alias)}; + std::size_t heap_region_size{GetSpaceSize(KAddressSpaceInfo::Type::Heap)}; ASSERT(start <= code_addr); ASSERT(code_addr < code_addr + code_size); @@ -96,12 +96,12 @@ ResultCode PageTable::InitializeForProcess(FileSys::ProgramAddressSpaceType as_t std::size_t kernel_map_region_size{}; if (address_space_width == 39) { - alias_region_size = GetSpaceSize(AddressSpaceInfo::Type::Alias); - heap_region_size = GetSpaceSize(AddressSpaceInfo::Type::Heap); - stack_region_size = GetSpaceSize(AddressSpaceInfo::Type::Stack); - kernel_map_region_size = GetSpaceSize(AddressSpaceInfo::Type::Is32Bit); - code_region_start = GetSpaceStart(AddressSpaceInfo::Type::Large64Bit); - code_region_end = code_region_start + GetSpaceSize(AddressSpaceInfo::Type::Large64Bit); + alias_region_size = GetSpaceSize(KAddressSpaceInfo::Type::Alias); + heap_region_size = GetSpaceSize(KAddressSpaceInfo::Type::Heap); + stack_region_size = GetSpaceSize(KAddressSpaceInfo::Type::Stack); + kernel_map_region_size = GetSpaceSize(KAddressSpaceInfo::Type::MapSmall); + code_region_start = GetSpaceStart(KAddressSpaceInfo::Type::Map39Bit); + code_region_end = code_region_start + GetSpaceSize(KAddressSpaceInfo::Type::Map39Bit); alias_code_region_start = code_region_start; alias_code_region_end = code_region_end; process_code_start = Common::AlignDown(code_addr, RegionAlignment); @@ -109,12 +109,12 @@ ResultCode PageTable::InitializeForProcess(FileSys::ProgramAddressSpaceType as_t } else { stack_region_size = 0; kernel_map_region_size = 0; - code_region_start = GetSpaceStart(AddressSpaceInfo::Type::Is32Bit); - code_region_end = code_region_start + GetSpaceSize(AddressSpaceInfo::Type::Is32Bit); + code_region_start = GetSpaceStart(KAddressSpaceInfo::Type::MapSmall); + code_region_end = code_region_start + GetSpaceSize(KAddressSpaceInfo::Type::MapSmall); stack_region_start = code_region_start; alias_code_region_start = code_region_start; - alias_code_region_end = GetSpaceStart(AddressSpaceInfo::Type::Small64Bit) + - GetSpaceSize(AddressSpaceInfo::Type::Small64Bit); + alias_code_region_end = GetSpaceStart(KAddressSpaceInfo::Type::MapLarge) + + GetSpaceSize(KAddressSpaceInfo::Type::MapLarge); stack_region_end = code_region_end; kernel_map_region_start = code_region_start; kernel_map_region_end = code_region_end; |