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Atmosphere/libraries/libmesosphere/source/kern_k_address_space_info.cpp

63 lines
3.3 KiB
C++

/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <mesosphere.hpp>
namespace ams::kern {
namespace {
constexpr uintptr_t Invalid = std::numeric_limits<uintptr_t>::max();
constinit KAddressSpaceInfo AddressSpaceInfos[] = {
{ 32, ams::svc::AddressSmallMap32Start, ams::svc::AddressSmallMap32Size, KAddressSpaceInfo::Type_MapSmall, },
{ 32, ams::svc::AddressLargeMap32Start, ams::svc::AddressLargeMap32Size, KAddressSpaceInfo::Type_MapLarge, },
{ 32, Invalid, ams::svc::AddressMemoryRegionHeap32Size, KAddressSpaceInfo::Type_Heap, },
{ 32, Invalid, ams::svc::AddressMemoryRegionAlias32Size, KAddressSpaceInfo::Type_Alias, },
{ 36, ams::svc::AddressSmallMap36Start, ams::svc::AddressSmallMap36Size, KAddressSpaceInfo::Type_MapSmall, },
{ 36, ams::svc::AddressLargeMap36Start, ams::svc::AddressLargeMap36Size, KAddressSpaceInfo::Type_MapLarge, },
{ 36, Invalid, ams::svc::AddressMemoryRegionHeap36Size, KAddressSpaceInfo::Type_Heap, },
{ 36, Invalid, ams::svc::AddressMemoryRegionAlias36Size, KAddressSpaceInfo::Type_Alias, },
{ 39, ams::svc::AddressMap39Start, ams::svc::AddressMap39Size, KAddressSpaceInfo::Type_Map39Bit, },
{ 39, Invalid, ams::svc::AddressMemoryRegionSmall39Size, KAddressSpaceInfo::Type_MapSmall, },
{ 39, Invalid, ams::svc::AddressMemoryRegionHeap39Size, KAddressSpaceInfo::Type_Heap, },
{ 39, Invalid, ams::svc::AddressMemoryRegionAlias39Size, KAddressSpaceInfo::Type_Alias, },
{ 39, Invalid, ams::svc::AddressMemoryRegionStack39Size, KAddressSpaceInfo::Type_Stack, },
};
KAddressSpaceInfo &GetAddressSpaceInfo(size_t width, KAddressSpaceInfo::Type type) {
for (auto &info : AddressSpaceInfos) {
if (info.GetWidth() == width && info.GetType() == type) {
return info;
}
}
MESOSPHERE_PANIC("Could not find AddressSpaceInfo");
}
}
uintptr_t KAddressSpaceInfo::GetAddressSpaceStart(size_t width, KAddressSpaceInfo::Type type) {
return GetAddressSpaceInfo(width, type).GetAddress();
}
size_t KAddressSpaceInfo::GetAddressSpaceSize(size_t width, KAddressSpaceInfo::Type type) {
return GetAddressSpaceInfo(width, type).GetSize();
}
void KAddressSpaceInfo::SetAddressSpaceSize(size_t width, Type type, size_t size) {
GetAddressSpaceInfo(width, type).SetSize(size);
}
}