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author | bunnei <bunneidev@gmail.com> | 2021-03-21 22:36:26 +0100 |
---|---|---|
committer | bunnei <bunneidev@gmail.com> | 2021-03-21 22:45:13 +0100 |
commit | 1996cae9cbcddadeb42db571e9c491efd91374b9 (patch) | |
tree | 63694005b8e9fb8006260c698f1598d89f984ec5 /src/core/hle | |
parent | hle: kernel: k_memory_layout: Derive memory regions based on board layout. (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/core/hle/kernel/k_memory_layout.cpp | 49 | ||||
-rw-r--r-- | src/core/hle/kernel/k_memory_layout.h | 3 | ||||
-rw-r--r-- | src/core/hle/kernel/k_memory_region.h | 30 |
3 files changed, 47 insertions, 35 deletions
diff --git a/src/core/hle/kernel/k_memory_layout.cpp b/src/core/hle/kernel/k_memory_layout.cpp index 58fe4a133..fb1e2435f 100644 --- a/src/core/hle/kernel/k_memory_layout.cpp +++ b/src/core/hle/kernel/k_memory_layout.cpp @@ -2,6 +2,8 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. +#include <array> + #include "common/alignment.h" #include "core/hle/kernel/k_memory_layout.h" #include "core/hle/kernel/k_system_control.h" @@ -10,42 +12,18 @@ namespace Kernel { namespace { -class KMemoryRegionAllocator final : NonCopyable { -public: - static constexpr size_t MaxMemoryRegions = 200; - -private: - KMemoryRegion region_heap[MaxMemoryRegions]{}; - size_t num_regions{}; - -public: - constexpr KMemoryRegionAllocator() = default; - -public: - template <typename... Args> - KMemoryRegion* Allocate(Args&&... args) { - // Ensure we stay within the bounds of our heap. - ASSERT(this->num_regions < MaxMemoryRegions); - - // Create the new region. - KMemoryRegion* region = std::addressof(this->region_heap[this->num_regions++]); - new (region) KMemoryRegion(std::forward<Args>(args)...); - - return region; - } -}; - -KMemoryRegionAllocator g_memory_region_allocator; - template <typename... Args> -KMemoryRegion* AllocateRegion(Args&&... args) { - return g_memory_region_allocator.Allocate(std::forward<Args>(args)...); +KMemoryRegion* AllocateRegion(KMemoryRegionAllocator& memory_region_allocator, Args&&... args) { + return memory_region_allocator.Allocate(std::forward<Args>(args)...); } } // namespace +KMemoryRegionTree::KMemoryRegionTree(KMemoryRegionAllocator& memory_region_allocator_) + : memory_region_allocator{memory_region_allocator_} {} + void KMemoryRegionTree::InsertDirectly(u64 address, u64 last_address, u32 attr, u32 type_id) { - this->insert(*AllocateRegion(address, last_address, attr, type_id)); + this->insert(*AllocateRegion(memory_region_allocator, address, last_address, attr, type_id)); } bool KMemoryRegionTree::Insert(u64 address, size_t size, u32 type_id, u32 new_attr, u32 old_attr) { @@ -92,7 +70,8 @@ bool KMemoryRegionTree::Insert(u64 address, size_t size, u32 type_id, u32 new_at const u64 new_pair = (old_pair != std::numeric_limits<u64>::max()) ? old_pair + (address - old_address) : old_pair; - this->insert(*AllocateRegion(address, inserted_region_last, new_pair, new_attr, type_id)); + this->insert(*AllocateRegion(memory_region_allocator, address, inserted_region_last, + new_pair, new_attr, type_id)); } // If we need to insert a region after the region, do so. @@ -100,8 +79,8 @@ bool KMemoryRegionTree::Insert(u64 address, size_t size, u32 type_id, u32 new_at const u64 after_pair = (old_pair != std::numeric_limits<u64>::max()) ? old_pair + (inserted_region_end - old_address) : old_pair; - this->insert( - *AllocateRegion(inserted_region_end, old_last, after_pair, old_attr, old_type)); + this->insert(*AllocateRegion(memory_region_allocator, inserted_region_end, old_last, + after_pair, old_attr, old_type)); } return true; @@ -147,6 +126,10 @@ VAddr KMemoryRegionTree::GetRandomAlignedRegion(size_t size, size_t alignment, u } } +KMemoryLayout::KMemoryLayout() + : virtual_tree{memory_region_allocator}, physical_tree{memory_region_allocator}, + virtual_linear_tree{memory_region_allocator}, physical_linear_tree{memory_region_allocator} {} + void KMemoryLayout::InitializeLinearMemoryRegionTrees(PAddr aligned_linear_phys_start, VAddr linear_virtual_start) { // Set static differences. diff --git a/src/core/hle/kernel/k_memory_layout.h b/src/core/hle/kernel/k_memory_layout.h index f2b46c932..b3e057326 100644 --- a/src/core/hle/kernel/k_memory_layout.h +++ b/src/core/hle/kernel/k_memory_layout.h @@ -73,7 +73,7 @@ constexpr bool IsKernelAddress(VAddr address) { class KMemoryLayout final { public: - KMemoryLayout() = default; + KMemoryLayout(); KMemoryRegionTree& GetVirtualMemoryRegionTree() { return virtual_tree; @@ -376,6 +376,7 @@ private: private: u64 linear_phys_to_virt_diff{}; u64 linear_virt_to_phys_diff{}; + KMemoryRegionAllocator memory_region_allocator; KMemoryRegionTree virtual_tree; KMemoryRegionTree physical_tree; KMemoryRegionTree virtual_linear_tree; diff --git a/src/core/hle/kernel/k_memory_region.h b/src/core/hle/kernel/k_memory_region.h index 1d4fcde6f..374b24bd3 100644 --- a/src/core/hle/kernel/k_memory_region.h +++ b/src/core/hle/kernel/k_memory_region.h @@ -11,6 +11,8 @@ namespace Kernel { +class KMemoryRegionAllocator; + class KMemoryRegion final : public Common::IntrusiveRedBlackTreeBaseNode<KMemoryRegion>, NonCopyable { friend class KMemoryRegionTree; @@ -155,9 +157,10 @@ public: private: TreeType m_tree{}; + KMemoryRegionAllocator& memory_region_allocator; public: - constexpr KMemoryRegionTree() = default; + KMemoryRegionTree(KMemoryRegionAllocator& memory_region_allocator_); public: KMemoryRegion* FindModifiable(u64 address) { @@ -321,4 +324,29 @@ public: } }; +class KMemoryRegionAllocator final : NonCopyable { +public: + static constexpr size_t MaxMemoryRegions = 200; + +private: + std::array<KMemoryRegion, MaxMemoryRegions> region_heap{}; + size_t num_regions{}; + +public: + constexpr KMemoryRegionAllocator() = default; + +public: + template <typename... Args> + KMemoryRegion* Allocate(Args&&... args) { + // Ensure we stay within the bounds of our heap. + ASSERT(this->num_regions < MaxMemoryRegions); + + // Create the new region. + KMemoryRegion* region = std::addressof(this->region_heap[this->num_regions++]); + new (region) KMemoryRegion(std::forward<Args>(args)...); + + return region; + } +}; + } // namespace Kernel |