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authorbunnei <bunneidev@gmail.com>2021-02-13 00:47:05 +0100
committerbunnei <bunneidev@gmail.com>2021-02-19 01:16:25 +0100
commit7ed5dd0d62347054d5a03a24354cd43bec1184ba (patch)
treeedfa5254f60164dbdc498380a820980e8b4deb1d /src/core/hle/kernel/memory
parenthle: kernel: memory_manager: Rename AllocateContinuous to AllocateContinuous. (diff)
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Diffstat (limited to 'src/core/hle/kernel/memory')
-rw-r--r--src/core/hle/kernel/memory/address_space_info.cpp119
-rw-r--r--src/core/hle/kernel/memory/address_space_info.h34
-rw-r--r--src/core/hle/kernel/memory/page_table.cpp34
3 files changed, 17 insertions, 170 deletions
diff --git a/src/core/hle/kernel/memory/address_space_info.cpp b/src/core/hle/kernel/memory/address_space_info.cpp
deleted file mode 100644
index 6cf43ba24..000000000
--- a/src/core/hle/kernel/memory/address_space_info.cpp
+++ /dev/null
@@ -1,119 +0,0 @@
-// Copyright 2020 yuzu Emulator Project
-// 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"
-
-namespace Kernel::Memory {
-
-namespace {
-
-enum : u64 {
- Size_1_MB = 0x100000,
- Size_2_MB = 2 * Size_1_MB,
- Size_128_MB = 128 * Size_1_MB,
- Size_1_GB = 0x40000000,
- Size_2_GB = 2 * Size_1_GB,
- Size_4_GB = 4 * Size_1_GB,
- Size_6_GB = 6 * Size_1_GB,
- Size_64_GB = 64 * Size_1_GB,
- Size_512_GB = 512 * Size_1_GB,
- Invalid = std::numeric_limits<u64>::max(),
-};
-
-// 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, },
-}};
-// clang-format on
-
-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)>;
-
-constexpr IndexArray AddressSpaceIndices32Bit{
- 0, 1, 0, 2, 0, 3,
-};
-
-constexpr IndexArray AddressSpaceIndices36Bit{
- 4, 5, 4, 6, 4, 7,
-};
-
-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 IsAllowed36BitType(AddressSpaceInfo::Type type) {
- return type < AddressSpaceInfo::Type::Count && type != AddressSpaceInfo::Type::Large64Bit &&
- type != AddressSpaceInfo::Type::Stack;
-}
-
-constexpr bool IsAllowed39BitType(AddressSpaceInfo::Type type) {
- return type < AddressSpaceInfo::Type::Count && type != AddressSpaceInfo::Type::Small64Bit;
-}
-
-} // namespace
-
-u64 AddressSpaceInfo::GetAddressSpaceStart(std::size_t width, Type type) {
- const std::size_t index{static_cast<std::size_t>(type)};
- switch (width) {
- case 32:
- ASSERT(IsAllowed32BitType(type));
- ASSERT(IsAllowedIndexForAddress(AddressSpaceIndices32Bit[index]));
- return AddressSpaceInfos[AddressSpaceIndices32Bit[index]].address;
- case 36:
- ASSERT(IsAllowed36BitType(type));
- ASSERT(IsAllowedIndexForAddress(AddressSpaceIndices36Bit[index]));
- return AddressSpaceInfos[AddressSpaceIndices36Bit[index]].address;
- case 39:
- ASSERT(IsAllowed39BitType(type));
- ASSERT(IsAllowedIndexForAddress(AddressSpaceIndices39Bit[index]));
- return AddressSpaceInfos[AddressSpaceIndices39Bit[index]].address;
- }
- UNREACHABLE();
- return 0;
-}
-
-std::size_t AddressSpaceInfo::GetAddressSpaceSize(std::size_t width, Type type) {
- const std::size_t index{static_cast<std::size_t>(type)};
- switch (width) {
- case 32:
- ASSERT(IsAllowed32BitType(type));
- return AddressSpaceInfos[AddressSpaceIndices32Bit[index]].size;
- case 36:
- ASSERT(IsAllowed36BitType(type));
- return AddressSpaceInfos[AddressSpaceIndices36Bit[index]].size;
- case 39:
- ASSERT(IsAllowed39BitType(type));
- return AddressSpaceInfos[AddressSpaceIndices39Bit[index]].size;
- }
- UNREACHABLE();
- return 0;
-}
-
-} // namespace Kernel::Memory
diff --git a/src/core/hle/kernel/memory/address_space_info.h b/src/core/hle/kernel/memory/address_space_info.h
deleted file mode 100644
index a4e6e91e5..000000000
--- a/src/core/hle/kernel/memory/address_space_info.h
+++ /dev/null
@@ -1,34 +0,0 @@
-// Copyright 2020 yuzu Emulator Project
-// 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 {
-
-struct AddressSpaceInfo final {
- enum class Type : u32 {
- Is32Bit = 0,
- Small64Bit = 1,
- Large64Bit = 2,
- Heap = 3,
- Stack = 4,
- Alias = 5,
- Count,
- };
-
- static u64 GetAddressSpaceStart(std::size_t width, Type type);
- static std::size_t GetAddressSpaceSize(std::size_t width, Type type);
-
- const std::size_t bit_width{};
- const std::size_t address{};
- const std::size_t size{};
- const Type type{};
-};
-
-} // namespace Kernel::Memory
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;