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author | bunnei <bunneidev@gmail.com> | 2023-01-26 07:27:48 +0100 |
---|---|---|
committer | GitHub <noreply@github.com> | 2023-01-26 07:27:48 +0100 |
commit | 2158ccda3b52d53b7485b954dc878735a58de085 (patch) | |
tree | fabf49d31ba3ee3f19cb84da7236ab36fced2be5 /src/core/hle/kernel/k_page_table.h | |
parent | Merge pull request #9681 from Morph1984/nice-one-qt6 (diff) | |
parent | kernel: KPageTable: update (diff) | |
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Diffstat (limited to 'src/core/hle/kernel/k_page_table.h')
-rw-r--r-- | src/core/hle/kernel/k_page_table.h | 86 |
1 files changed, 66 insertions, 20 deletions
diff --git a/src/core/hle/kernel/k_page_table.h b/src/core/hle/kernel/k_page_table.h index 0a454b05b..367dab613 100644 --- a/src/core/hle/kernel/k_page_table.h +++ b/src/core/hle/kernel/k_page_table.h @@ -24,12 +24,36 @@ class System; namespace Kernel { +enum class DisableMergeAttribute : u8 { + None = (0U << 0), + DisableHead = (1U << 0), + DisableHeadAndBody = (1U << 1), + EnableHeadAndBody = (1U << 2), + DisableTail = (1U << 3), + EnableTail = (1U << 4), + EnableAndMergeHeadBodyTail = (1U << 5), + EnableHeadBodyTail = EnableHeadAndBody | EnableTail, + DisableHeadBodyTail = DisableHeadAndBody | DisableTail, +}; + +struct KPageProperties { + KMemoryPermission perm; + bool io; + bool uncached; + DisableMergeAttribute disable_merge_attributes; +}; +static_assert(std::is_trivial_v<KPageProperties>); +static_assert(sizeof(KPageProperties) == sizeof(u32)); + class KBlockInfoManager; class KMemoryBlockManager; class KResourceLimit; class KSystemResource; class KPageTable final { +protected: + struct PageLinkedList; + public: enum class ICacheInvalidationStrategy : u32 { InvalidateRange, InvalidateAll }; @@ -57,27 +81,12 @@ public: Result UnmapPhysicalMemory(VAddr addr, size_t size); Result MapMemory(VAddr dst_addr, VAddr src_addr, size_t size); Result UnmapMemory(VAddr dst_addr, VAddr src_addr, size_t size); - Result MapPages(VAddr addr, KPageGroup& page_linked_list, KMemoryState state, - KMemoryPermission perm); - Result MapPages(VAddr* out_addr, size_t num_pages, size_t alignment, PAddr phys_addr, - KMemoryState state, KMemoryPermission perm) { - R_RETURN(this->MapPages(out_addr, num_pages, alignment, phys_addr, true, - this->GetRegionAddress(state), - this->GetRegionSize(state) / PageSize, state, perm)); - } - Result UnmapPages(VAddr addr, KPageGroup& page_linked_list, KMemoryState state); - Result UnmapPages(VAddr address, size_t num_pages, KMemoryState state); Result SetProcessMemoryPermission(VAddr addr, size_t size, Svc::MemoryPermission svc_perm); KMemoryInfo QueryInfo(VAddr addr); Result SetMemoryPermission(VAddr addr, size_t size, Svc::MemoryPermission perm); Result SetMemoryAttribute(VAddr addr, size_t size, u32 mask, u32 attr); Result SetMaxHeapSize(size_t size); Result SetHeapSize(VAddr* out, size_t size); - ResultVal<VAddr> AllocateAndMapMemory(size_t needed_num_pages, size_t align, bool is_map_only, - VAddr region_start, size_t region_num_pages, - KMemoryState state, KMemoryPermission perm, - PAddr map_addr = 0); - Result LockForMapDeviceAddressSpace(bool* out_is_io, VAddr address, size_t size, KMemoryPermission perm, bool is_aligned, bool check_heap); Result LockForUnmapDeviceAddressSpace(VAddr address, size_t size, bool check_heap); @@ -113,6 +122,40 @@ public: bool CanContain(VAddr addr, size_t size, KMemoryState state) const; + Result MapPages(KProcessAddress* out_addr, size_t num_pages, size_t alignment, + KPhysicalAddress phys_addr, KProcessAddress region_start, + size_t region_num_pages, KMemoryState state, KMemoryPermission perm) { + R_RETURN(this->MapPages(out_addr, num_pages, alignment, phys_addr, true, region_start, + region_num_pages, state, perm)); + } + + Result MapPages(KProcessAddress* out_addr, size_t num_pages, size_t alignment, + KPhysicalAddress phys_addr, KMemoryState state, KMemoryPermission perm) { + R_RETURN(this->MapPages(out_addr, num_pages, alignment, phys_addr, true, + this->GetRegionAddress(state), + this->GetRegionSize(state) / PageSize, state, perm)); + } + + Result MapPages(KProcessAddress* out_addr, size_t num_pages, KMemoryState state, + KMemoryPermission perm) { + R_RETURN(this->MapPages(out_addr, num_pages, PageSize, 0, false, + this->GetRegionAddress(state), + this->GetRegionSize(state) / PageSize, state, perm)); + } + + Result MapPages(KProcessAddress address, size_t num_pages, KMemoryState state, + KMemoryPermission perm); + Result UnmapPages(KProcessAddress address, size_t num_pages, KMemoryState state); + + Result MapPageGroup(KProcessAddress* out_addr, const KPageGroup& pg, + KProcessAddress region_start, size_t region_num_pages, KMemoryState state, + KMemoryPermission perm); + Result MapPageGroup(KProcessAddress address, const KPageGroup& pg, KMemoryState state, + KMemoryPermission perm); + Result UnmapPageGroup(KProcessAddress address, const KPageGroup& pg, KMemoryState state); + void RemapPageGroup(PageLinkedList* page_list, KProcessAddress address, size_t size, + const KPageGroup& pg); + protected: struct PageLinkedList { private: @@ -166,11 +209,9 @@ private: static constexpr KMemoryAttribute DefaultMemoryIgnoreAttr = KMemoryAttribute::IpcLocked | KMemoryAttribute::DeviceShared; - Result MapPages(VAddr addr, const KPageGroup& page_linked_list, KMemoryPermission perm); - Result MapPages(VAddr* out_addr, size_t num_pages, size_t alignment, PAddr phys_addr, - bool is_pa_valid, VAddr region_start, size_t region_num_pages, - KMemoryState state, KMemoryPermission perm); - Result UnmapPages(VAddr addr, const KPageGroup& page_linked_list); + Result MapPages(KProcessAddress* out_addr, size_t num_pages, size_t alignment, + KPhysicalAddress phys_addr, bool is_pa_valid, KProcessAddress region_start, + size_t region_num_pages, KMemoryState state, KMemoryPermission perm); bool IsRegionContiguous(VAddr addr, u64 size) const; void AddRegionToPages(VAddr start, size_t num_pages, KPageGroup& page_linked_list); KMemoryInfo QueryInfoImpl(VAddr addr); @@ -265,6 +306,11 @@ private: void CleanupForIpcClientOnServerSetupFailure(PageLinkedList* page_list, VAddr address, size_t size, KMemoryPermission prot_perm); + Result AllocateAndMapPagesImpl(PageLinkedList* page_list, KProcessAddress address, + size_t num_pages, KMemoryPermission perm); + Result MapPageGroupImpl(PageLinkedList* page_list, KProcessAddress address, + const KPageGroup& pg, const KPageProperties properties, bool reuse_ll); + mutable KLightLock m_general_lock; mutable KLightLock m_map_physical_memory_lock; |