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address_space_info: Make use of designated initializers

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We can alter the structure so that we can use designated initializers in
the array, eliminating the comments that indicate their field names.
This commit is contained in:
Lioncash 2020-07-13 10:33:36 -04:00
parent b2305dcee0
commit c3eb42de65
2 changed files with 27 additions and 46 deletions
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44
src/core/hle/kernel/memory/address_space_info.cpp
View file

@ -29,24 +29,24 @@ enum : u64 {
// clang-format off
constexpr std::array<AddressSpaceInfo, 13> AddressSpaceInfos{{
{ 32 /*bit_width*/, Size_2_MB /*addr*/, Size_1_GB - Size_2_MB /*size*/, AddressSpaceInfo::Type::Is32Bit, },
{ 32 /*bit_width*/, Size_1_GB /*addr*/, Size_4_GB - Size_1_GB /*size*/, AddressSpaceInfo::Type::Small64Bit, },
{ 32 /*bit_width*/, Invalid /*addr*/, Size_1_GB /*size*/, AddressSpaceInfo::Type::Heap, },
{ 32 /*bit_width*/, Invalid /*addr*/, Size_1_GB /*size*/, AddressSpaceInfo::Type::Alias, },
{ 36 /*bit_width*/, Size_128_MB /*addr*/, Size_2_GB - Size_128_MB /*size*/, AddressSpaceInfo::Type::Is32Bit, },
{ 36 /*bit_width*/, Size_2_GB /*addr*/, Size_64_GB - Size_2_GB /*size*/, AddressSpaceInfo::Type::Small64Bit, },
{ 36 /*bit_width*/, Invalid /*addr*/, Size_6_GB /*size*/, AddressSpaceInfo::Type::Heap, },
{ 36 /*bit_width*/, Invalid /*addr*/, Size_6_GB /*size*/, AddressSpaceInfo::Type::Alias, },
{ 39 /*bit_width*/, Size_128_MB /*addr*/, Size_512_GB - Size_128_MB /*size*/, AddressSpaceInfo::Type::Large64Bit, },
{ 39 /*bit_width*/, Invalid /*addr*/, Size_64_GB /*size*/, AddressSpaceInfo::Type::Is32Bit },
{ 39 /*bit_width*/, Invalid /*addr*/, Size_6_GB /*size*/, AddressSpaceInfo::Type::Heap, },
{ 39 /*bit_width*/, Invalid /*addr*/, Size_64_GB /*size*/, AddressSpaceInfo::Type::Alias, },
{ 39 /*bit_width*/, Invalid /*addr*/, Size_2_GB /*size*/, AddressSpaceInfo::Type::Stack, },
{ .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 < std::size(AddressSpaceInfos) && AddressSpaceInfos[index].GetAddress() != Invalid;
return index < AddressSpaceInfos.size() && AddressSpaceInfos[index].address != Invalid;
}
constexpr std::array<std::size_t, static_cast<std::size_t>(AddressSpaceInfo::Type::Count)>
@ -80,37 +80,37 @@ constexpr bool IsAllowed39BitType(AddressSpaceInfo::Type type) {
} // namespace
u64 AddressSpaceInfo::GetAddressSpaceStart(std::size_t width, AddressSpaceInfo::Type type) {
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]].GetAddress();
return AddressSpaceInfos[AddressSpaceIndices32Bit[index]].address;
case 36:
ASSERT(IsAllowed36BitType(type));
ASSERT(IsAllowedIndexForAddress(AddressSpaceIndices36Bit[index]));
return AddressSpaceInfos[AddressSpaceIndices36Bit[index]].GetAddress();
return AddressSpaceInfos[AddressSpaceIndices36Bit[index]].address;
case 39:
ASSERT(IsAllowed39BitType(type));
ASSERT(IsAllowedIndexForAddress(AddressSpaceIndices39Bit[index]));
return AddressSpaceInfos[AddressSpaceIndices39Bit[index]].GetAddress();
return AddressSpaceInfos[AddressSpaceIndices39Bit[index]].address;
}
UNREACHABLE();
}
std::size_t AddressSpaceInfo::GetAddressSpaceSize(std::size_t width, AddressSpaceInfo::Type type) {
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]].GetSize();
return AddressSpaceInfos[AddressSpaceIndices32Bit[index]].size;
case 36:
ASSERT(IsAllowed36BitType(type));
return AddressSpaceInfos[AddressSpaceIndices36Bit[index]].GetSize();
return AddressSpaceInfos[AddressSpaceIndices36Bit[index]].size;
case 39:
ASSERT(IsAllowed39BitType(type));
return AddressSpaceInfos[AddressSpaceIndices39Bit[index]].GetSize();
return AddressSpaceInfos[AddressSpaceIndices39Bit[index]].size;
}
UNREACHABLE();
}

29
src/core/hle/kernel/memory/address_space_info.h
View file

@ -11,8 +11,7 @@
namespace Kernel::Memory {
class AddressSpaceInfo final : NonCopyable {
public:
struct AddressSpaceInfo final {
enum class Type : u32 {
Is32Bit = 0,
Small64Bit = 1,
@ -23,31 +22,13 @@ public:
Count,
};
private:
std::size_t bit_width{};
std::size_t addr{};
std::size_t size{};
Type type{};
public:
static u64 GetAddressSpaceStart(std::size_t width, Type type);
static std::size_t GetAddressSpaceSize(std::size_t width, Type type);
constexpr AddressSpaceInfo(std::size_t bit_width, std::size_t addr, std::size_t size, Type type)
: bit_width{bit_width}, addr{addr}, size{size}, type{type} {}
constexpr std::size_t GetWidth() const {
return bit_width;
}
constexpr std::size_t GetAddress() const {
return addr;
}
constexpr std::size_t GetSize() const {
return size;
}
constexpr Type GetType() const {
return type;
}
const std::size_t bit_width{};
const std::size_t address{};
const std::size_t size{};
const Type type{};
};
} // namespace Kernel::Memory