4 files changed, 54 insertions, 59 deletions

diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index 8aad9cb41..442618e90 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -156,6 +156,8 @@ add_library(core STATIC
     hle/kernel/hle_ipc.h
     hle/kernel/k_address_arbiter.cpp
     hle/kernel/k_address_arbiter.h
+    hle/kernel/k_address_space_info.cpp
+    hle/kernel/k_address_space_info.h
     hle/kernel/k_affinity_mask.h
     hle/kernel/k_condition_variable.cpp
     hle/kernel/k_condition_variable.h
@@ -191,8 +193,6 @@ add_library(core STATIC
     hle/kernel/k_writable_event.h
     hle/kernel/kernel.cpp
     hle/kernel/kernel.h
-    hle/kernel/memory/address_space_info.cpp
-    hle/kernel/memory/address_space_info.h
     hle/kernel/memory/memory_block.h
     hle/kernel/memory/memory_block_manager.cpp
     hle/kernel/memory/memory_block_manager.h
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;