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

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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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22
libraries/libmesosphere/source/kern_k_memory_manager.cpp
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@ -87,6 +87,26 @@ namespace ams::kern {
}
}
Result KMemoryManager::InitializeOptimizedMemory(u64 process_id, Pool pool) {
/* Lock the pool. */
KScopedLightLock lk(this->pool_locks[pool]);
/* Check that we don't already have an optimized process. */
R_UNLESS(!this->has_optimized_process[pool], svc::ResultBusy());
/* Set the optimized process id. */
this->optimized_process_ids[pool] = process_id;
this->has_optimized_process[pool] = true;
/* Clear the management area for the optimized process. */
for (auto *manager = this->GetFirstManager(pool, Direction_FromFront); manager != nullptr; manager = this->GetNextManager(manager, Direction_FromFront)) {
manager->InitializeOptimizedMemory();
}
return ResultSuccess();
}
KVirtualAddress KMemoryManager::AllocateContinuous(size_t num_pages, size_t align_pages, u32 option) {
/* Early return if we're allocating no pages. */
if (num_pages == 0) {
@ -199,7 +219,7 @@ namespace ams::kern {
size_t KMemoryManager::Impl::Initialize(const KMemoryRegion *region, Pool p, KVirtualAddress metadata, KVirtualAddress metadata_end) {
/* Calculate metadata sizes. */
const size_t ref_count_size = (region->GetSize() / PageSize) * sizeof(u16);
const size_t optimize_map_size = (util::AlignUp((region->GetSize() / PageSize), BITSIZEOF(u64)) / BITSIZEOF(u64)) * sizeof(u64);
const size_t optimize_map_size = CalculateOptimizedProcessOverheadSize(region->GetSize());
const size_t manager_size = util::AlignUp(optimize_map_size + ref_count_size, PageSize);
const size_t page_heap_size = KPageHeap::CalculateMetadataOverheadSize(region->GetSize());
const size_t total_metadata_size = manager_size + page_heap_size;