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kern: add KProcess::Initialize (for non-kip processes)

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This commit is contained in:
Michael Scire
2020-07-21 22:13:16 -07:00
committed by SciresM
parent 8759cb4da3
commit 51311a7332
10 changed files with 232 additions and 8 deletions
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11
libraries/libmesosphere/include/mesosphere/kern_k_memory_manager.hpp
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@@ -53,6 +53,12 @@ namespace ams::kern {
class Impl {
private:
using RefCount = u16;
public:
static size_t CalculateMetadataOverheadSize(size_t region_size);
static constexpr size_t CalculateOptimizedProcessOverheadSize(size_t region_size) {
return (util::AlignUp((region_size / PageSize), BITSIZEOF(u64)) / BITSIZEOF(u64)) * sizeof(u64);
}
private:
KPageHeap heap;
RefCount *page_reference_counts;
@@ -68,6 +74,7 @@ namespace ams::kern {
KVirtualAddress AllocateBlock(s32 index, bool random) { return this->heap.AllocateBlock(index, random); }
void Free(KVirtualAddress addr, size_t num_pages) { this->heap.Free(addr, num_pages); }
void InitializeOptimizedMemory() { std::memset(GetVoidPointer(this->metadata_region), 0, CalculateOptimizedProcessOverheadSize(this->heap.GetSize())); }
void TrackAllocationForOptimizedProcess(KVirtualAddress block, size_t num_pages);
constexpr size_t GetSize() const { return this->heap.GetSize(); }
@@ -127,8 +134,6 @@ namespace ams::kern {
this->Free(this->heap.GetAddress() + free_start * PageSize, free_count);
}
}
public:
static size_t CalculateMetadataOverheadSize(size_t region_size);
};
private:
KLightLock pool_locks[Pool_Count];
@@ -165,6 +170,8 @@ namespace ams::kern {
NOINLINE void Initialize(KVirtualAddress metadata_region, size_t metadata_region_size);
NOINLINE Result InitializeOptimizedMemory(u64 process_id, Pool pool);
NOINLINE KVirtualAddress AllocateContinuous(size_t num_pages, size_t align_pages, u32 option);
NOINLINE Result Allocate(KPageGroup *out, size_t num_pages, u32 option);