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[core] Unstub AliasRegionExtraSize #260

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crueter merged 4 commits from unstub-kernel-feature into master 2025-08-20 17:16:14 +02:00
Conversation 1 Commits 4 Files changed 3 +36 -7
3 changed files with 36 additions and 7 deletions
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14
src/core/hle/kernel/k_page_table_base.h
View file

@ -1,3 +1,6 @@
// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
@ -715,6 +718,17 @@ public:
return m_address_space_width;
}
size_t CalculateAliasRegionExtraSize() const {
const size_t baseline = 64ull << 30; // Mostly appropriate for DRAM values <= 8GB
const size_t region = GetAliasRegionSize();
if (region > baseline) {
return region - baseline;
}
return 0;
}
public:
// Linear mapped
static u8* GetLinearMappedVirtualPointer(KernelCore& kernel, KPhysicalAddress addr) {

6
src/core/hle/kernel/k_process_page_table.h
View file

@ -1,3 +1,6 @@
// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
@ -410,6 +413,9 @@ public:
size_t GetAliasRegionSize() const {
return m_page_table.GetAliasRegionSize();
}
size_t GetAliasRegionExtraSize() const {
return m_page_table.CalculateAliasRegionExtraSize();
}
size_t GetStackRegionSize() const {
return m_page_table.GetStackRegionSize();
}

23
src/core/hle/kernel/svc/svc_info.cpp
View file

@ -1,3 +1,6 @@
// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
@ -37,8 +40,8 @@ Result GetInfo(Core::System& system, u64* result, InfoType info_id_type, Handle
case InfoType::TotalNonSystemMemorySize:
case InfoType::UsedNonSystemMemorySize:
case InfoType::IsApplication:
case InfoType::FreeThreadCount:
case InfoType::AliasRegionExtraSize: {
case InfoType::FreeThreadCount:
case InfoType::AliasRegionExtraSize: {
R_UNLESS(info_sub_id == 0, ResultInvalidEnumValue);
const auto& handle_table = GetCurrentProcess(system.Kernel()).GetHandleTable();
@ -61,7 +64,6 @@ Result GetInfo(Core::System& system, u64* result, InfoType info_id_type, Handle
case InfoType::AliasRegionSize:
*result = process->GetPageTable().GetAliasRegionSize();
R_SUCCEED();
case InfoType::HeapRegionAddress:
*result = GetInteger(process->GetPageTable().GetHeapRegionStart());
R_SUCCEED();
@ -135,10 +137,17 @@ Result GetInfo(Core::System& system, u64* result, InfoType info_id_type, Handle
}
R_SUCCEED();
case InfoType::AliasRegionExtraSize:
// TODO (jarrodnorwell): do this when KIP's NPDM header is finished
R_SUCCEED();
case InfoType::AliasRegionExtraSize: {
if (info_sub_id != 0) {
return ResultInvalidCombination;
}
KProcess* current_process = GetCurrentProcessPointer(system.Kernel());
*result = current_process->GetPageTable().GetAliasRegionExtraSize();
R_SUCCEED();
}
default:
break;
}