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kernel: reshuffle ini1 size, add slab clear note

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This commit is contained in:
Liam 2023-10-11 09:44:49 -04:00
parent 85a89ca3e3
commit 22afa2c7a3
4 changed files with 18 additions and 10 deletions
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9
src/core/hle/kernel/init/init_slab_setup.cpp
View file

@ -106,7 +106,7 @@ static_assert(KernelPageBufferAdditionalSize ==
/// memory.
static KPhysicalAddress TranslateSlabAddrToPhysical(KMemoryLayout& memory_layout,
KVirtualAddress slab_addr) {
slab_addr -= GetInteger(memory_layout.GetSlabRegionAddress());
slab_addr -= memory_layout.GetSlabRegion().GetAddress();
return GetInteger(slab_addr) + Core::DramMemoryMap::SlabHeapBase;
}
@ -196,7 +196,12 @@ void InitializeSlabHeaps(Core::System& system, KMemoryLayout& memory_layout) {
auto& kernel = system.Kernel();
// Get the start of the slab region, since that's where we'll be working.
KVirtualAddress address = memory_layout.GetSlabRegionAddress();
const KMemoryRegion& slab_region = memory_layout.GetSlabRegion();
KVirtualAddress address = slab_region.GetAddress();
// Clear the slab region.
// TODO: implement access to kernel VAs.
// std::memset(device_ptr, 0, slab_region.GetSize());
// Initialize slab type array to be in sorted order.
std::array<KSlabType, KSlabType_Count> slab_types;

4
src/core/hle/kernel/initial_process.h
View file

@ -19,4 +19,8 @@ static inline KPhysicalAddress GetInitialProcessBinaryPhysicalAddress() {
MainMemoryAddress);
}
static inline size_t GetInitialProcessBinarySize() {
return InitialProcessBinarySizeMax;
}
} // namespace Kernel

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

@ -137,11 +137,9 @@ public:
return GetStackTopAddress(core_id, KMemoryRegionType_KernelMiscExceptionStack);
}
KVirtualAddress GetSlabRegionAddress() const {
return Dereference(GetVirtualMemoryRegionTree().FindByType(KMemoryRegionType_KernelSlab))
.GetAddress();
const KMemoryRegion& GetSlabRegion() const {
return Dereference(GetVirtualMemoryRegionTree().FindByType(KMemoryRegionType_KernelSlab));
}
const KMemoryRegion& GetDeviceRegion(KMemoryRegionType type) const {
return Dereference(GetPhysicalMemoryRegionTree().FindFirstDerived(type));
}

9
src/core/hle/kernel/k_memory_manager.cpp
View file

@ -119,7 +119,8 @@ void KMemoryManager::Initialize(KVirtualAddress management_region, size_t manage
// Free each region to its corresponding heap.
size_t reserved_sizes[MaxManagerCount] = {};
const KPhysicalAddress ini_start = GetInitialProcessBinaryPhysicalAddress();
const KPhysicalAddress ini_end = ini_start + InitialProcessBinarySizeMax;
const size_t ini_size = GetInitialProcessBinarySize();
const KPhysicalAddress ini_end = ini_start + ini_size;
const KPhysicalAddress ini_last = ini_end - 1;
for (const auto& it : m_system.Kernel().MemoryLayout().GetPhysicalMemoryRegionTree()) {
if (it.IsDerivedFrom(KMemoryRegionType_DramUserPool)) {
@ -137,13 +138,13 @@ void KMemoryManager::Initialize(KVirtualAddress management_region, size_t manage
}
// Open/reserve the ini memory.
manager.OpenFirst(ini_start, InitialProcessBinarySizeMax / PageSize);
reserved_sizes[it.GetAttributes()] += InitialProcessBinarySizeMax;
manager.OpenFirst(ini_start, ini_size / PageSize);
reserved_sizes[it.GetAttributes()] += ini_size;
// Free memory after the ini to the heap.
if (ini_last != cur_last) {
ASSERT(cur_end != 0);
manager.Free(ini_end, cur_end - ini_end);
manager.Free(ini_end, (cur_end - ini_end) / PageSize);
}
} else {
// Ensure there's no partial overlap with the ini image.