[core] Unstub AliasRegionExtraSize

This commit is contained in:
SDK Chan 2025-08-14 18:26:20 +00:00 committed by crueter
parent 7bfa2404a6
commit 38eca05c6d
3 changed files with 27 additions and 7 deletions

View file

@ -715,6 +715,17 @@ public:
return m_address_space_width; 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: public:
// Linear mapped // Linear mapped
static u8* GetLinearMappedVirtualPointer(KernelCore& kernel, KPhysicalAddress addr) { static u8* GetLinearMappedVirtualPointer(KernelCore& kernel, KPhysicalAddress addr) {

View file

@ -410,6 +410,9 @@ public:
size_t GetAliasRegionSize() const { size_t GetAliasRegionSize() const {
return m_page_table.GetAliasRegionSize(); return m_page_table.GetAliasRegionSize();
} }
size_t GetAliasRegionExtraSize() const {
return m_page_table.CalculateAliasRegionExtraSize();
}
size_t GetStackRegionSize() const { size_t GetStackRegionSize() const {
return m_page_table.GetStackRegionSize(); return m_page_table.GetStackRegionSize();
} }

View file

@ -37,8 +37,8 @@ Result GetInfo(Core::System& system, u64* result, InfoType info_id_type, Handle
case InfoType::TotalNonSystemMemorySize: case InfoType::TotalNonSystemMemorySize:
case InfoType::UsedNonSystemMemorySize: case InfoType::UsedNonSystemMemorySize:
case InfoType::IsApplication: case InfoType::IsApplication:
case InfoType::FreeThreadCount: case InfoType::FreeThreadCount:
case InfoType::AliasRegionExtraSize: { case InfoType::AliasRegionExtraSize: {
R_UNLESS(info_sub_id == 0, ResultInvalidEnumValue); R_UNLESS(info_sub_id == 0, ResultInvalidEnumValue);
const auto& handle_table = GetCurrentProcess(system.Kernel()).GetHandleTable(); const auto& handle_table = GetCurrentProcess(system.Kernel()).GetHandleTable();
@ -61,7 +61,6 @@ Result GetInfo(Core::System& system, u64* result, InfoType info_id_type, Handle
case InfoType::AliasRegionSize: case InfoType::AliasRegionSize:
*result = process->GetPageTable().GetAliasRegionSize(); *result = process->GetPageTable().GetAliasRegionSize();
R_SUCCEED(); R_SUCCEED();
case InfoType::HeapRegionAddress: case InfoType::HeapRegionAddress:
*result = GetInteger(process->GetPageTable().GetHeapRegionStart()); *result = GetInteger(process->GetPageTable().GetHeapRegionStart());
R_SUCCEED(); R_SUCCEED();
@ -135,10 +134,17 @@ Result GetInfo(Core::System& system, u64* result, InfoType info_id_type, Handle
} }
R_SUCCEED(); R_SUCCEED();
case InfoType::AliasRegionExtraSize: case InfoType::AliasRegionExtraSize: {
// TODO (jarrodnorwell): do this when KIP's NPDM header is finished if (info_sub_id != 0) {
R_SUCCEED(); return ResultInvalidCombination;
}
KProcess* current_process = GetCurrentProcessPointer(system.Kernel());
*result = current_process->GetPageTable().GetAliasRegionExtraSize();
R_SUCCEED();
}
default: default:
break; break;
} }