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hle: kernel: Migrate AddressSpaceInfo to KAddressSpaceInfo.

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bunnei
2021-02-12 15:47:05 -08:00
parent 701ef616b2
commit 7ed5dd0d62
4 changed files with 54 additions and 59 deletions
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119
src/core/hle/kernel/memory/address_space_info.cpp
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@@ -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

34
src/core/hle/kernel/memory/address_space_info.h
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@@ -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

34
src/core/hle/kernel/memory/page_table.cpp
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@@ -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;