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kernel: simplify AddressSpaceInfo, update values

This commit is contained in:
Liam 2023-02-22 22:03:15 -05:00
parent 367e89f984
commit 96bd7ea42d
1 changed files with 13 additions and 66 deletions
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75
src/core/hle/kernel/k_address_space_info.cpp
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@ -23,86 +23,33 @@ constexpr std::array<KAddressSpaceInfo, 13> AddressSpaceInfos{{
{ .bit_width = 32, .address = Size_Invalid, .size = 1_GiB , .type = KAddressSpaceInfo::Type::Heap, },
{ .bit_width = 36, .address = 128_MiB , .size = 2_GiB - 128_MiB, .type = KAddressSpaceInfo::Type::MapSmall, },
{ .bit_width = 36, .address = 2_GiB , .size = 64_GiB - 2_GiB , .type = KAddressSpaceInfo::Type::MapLarge, },
{ .bit_width = 36, .address = Size_Invalid, .size = 6_GiB , .type = KAddressSpaceInfo::Type::Heap, },
{ .bit_width = 36, .address = Size_Invalid, .size = 8_GiB , .type = KAddressSpaceInfo::Type::Heap, },
{ .bit_width = 36, .address = Size_Invalid, .size = 6_GiB , .type = KAddressSpaceInfo::Type::Alias, },
{ .bit_width = 39, .address = 128_MiB , .size = 512_GiB - 128_MiB, .type = KAddressSpaceInfo::Type::Map39Bit, },
{ .bit_width = 39, .address = Size_Invalid, .size = 64_GiB , .type = KAddressSpaceInfo::Type::MapSmall },
{ .bit_width = 39, .address = Size_Invalid, .size = 6_GiB , .type = KAddressSpaceInfo::Type::Heap, },
{ .bit_width = 39, .address = Size_Invalid, .size = 8_GiB , .type = KAddressSpaceInfo::Type::Heap, },
{ .bit_width = 39, .address = Size_Invalid, .size = 64_GiB , .type = KAddressSpaceInfo::Type::Alias, },
{ .bit_width = 39, .address = Size_Invalid, .size = 2_GiB , .type = KAddressSpaceInfo::Type::Stack, },
}};
// clang-format on
constexpr bool IsAllowedIndexForAddress(std::size_t index) {
return index < AddressSpaceInfos.size() && AddressSpaceInfos[index].address != Size_Invalid;
const KAddressSpaceInfo& GetAddressSpaceInfo(size_t width, KAddressSpaceInfo::Type type) {
for (auto& info : AddressSpaceInfos) {
if (info.bit_width == width && info.type == type) {
return info;
}
using IndexArray =
std::array<std::size_t, static_cast<std::size_t>(KAddressSpaceInfo::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(KAddressSpaceInfo::Type type) {
return type < KAddressSpaceInfo::Type::Count && type != KAddressSpaceInfo::Type::Map39Bit &&
type != KAddressSpaceInfo::Type::Stack;
}
constexpr bool IsAllowed36BitType(KAddressSpaceInfo::Type type) {
return type < KAddressSpaceInfo::Type::Count && type != KAddressSpaceInfo::Type::Map39Bit &&
type != KAddressSpaceInfo::Type::Stack;
}
constexpr bool IsAllowed39BitType(KAddressSpaceInfo::Type type) {
return type < KAddressSpaceInfo::Type::Count && type != KAddressSpaceInfo::Type::MapLarge;
UNREACHABLE_MSG("Could not find AddressSpaceInfo");
}
} // namespace
u64 KAddressSpaceInfo::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;
}
ASSERT(false);
return 0;
uintptr_t KAddressSpaceInfo::GetAddressSpaceStart(size_t width, KAddressSpaceInfo::Type type) {
return GetAddressSpaceInfo(width, type).address;
}
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:
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;
}
ASSERT(false);
return 0;
size_t KAddressSpaceInfo::GetAddressSpaceSize(size_t width, KAddressSpaceInfo::Type type) {
return GetAddressSpaceInfo(width, type).size;
}
} // namespace Kernel