kernel: simplify AddressSpaceInfo, update values
This commit is contained in:
parent
367e89f984
commit
96bd7ea42d
|
@ -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;
|
||||
}
|
||||
|
||||
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;
|
||||
const KAddressSpaceInfo& GetAddressSpaceInfo(size_t width, KAddressSpaceInfo::Type type) {
|
||||
for (auto& info : AddressSpaceInfos) {
|
||||
if (info.bit_width == width && info.type == type) {
|
||||
return info;
|
||||
}
|
||||
}
|
||||
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
|
||||
|
|
Reference in New Issue