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kern: fuck the KPolice^H^H^H^H^H^HPageGroups

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This commit is contained in:
Michael Scire 2021-04-07 17:07:01 -07:00 • committed by SciresM
parent dc7862882f
commit 96937a611d
8 changed files with 493 additions and 231 deletions
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32
libraries/libmesosphere/include/mesosphere/arch/arm64/kern_k_process_page_table.hpp
View file

@ -36,6 +36,10 @@ namespace ams::kern::arch::arm64 {
void Finalize() { m_page_table.Finalize(); }
ALWAYS_INLINE KScopedLightLock AcquireDeviceMapLock() {
return m_page_table.AcquireDeviceMapLock();
}
Result SetMemoryPermission(KProcessAddress addr, size_t size, ams::svc::MemoryPermission perm) {
return m_page_table.SetMemoryPermission(addr, size, perm);
}
@ -148,22 +152,30 @@ namespace ams::kern::arch::arm64 {
return m_page_table.WriteDebugIoMemory(address, buffer, size);
}
Result LockForDeviceAddressSpace(KPageGroup *out, KProcessAddress address, size_t size, KMemoryPermission perm, bool is_aligned) {
return m_page_table.LockForDeviceAddressSpace(out, address, size, perm, is_aligned);
Result LockForMapDeviceAddressSpace(KProcessAddress address, size_t size, KMemoryPermission perm, bool is_aligned) {
return m_page_table.LockForMapDeviceAddressSpace(address, size, perm, is_aligned);
}
Result LockForUnmapDeviceAddressSpace(KProcessAddress address, size_t size) {
return m_page_table.LockForUnmapDeviceAddressSpace(address, size);
}
Result UnlockForDeviceAddressSpace(KProcessAddress address, size_t size) {
return m_page_table.UnlockForDeviceAddressSpace(address, size);
}
Result MakePageGroupForUnmapDeviceAddressSpace(KPageGroup *out, KProcessAddress address, size_t size) {
return m_page_table.MakePageGroupForUnmapDeviceAddressSpace(out, address, size);
}
Result UnlockForDeviceAddressSpacePartialMap(KProcessAddress address, size_t size, size_t mapped_size) {
return m_page_table.UnlockForDeviceAddressSpacePartialMap(address, size, mapped_size);
}
Result OpenMemoryRangeForMapDeviceAddressSpace(KPageTableBase::MemoryRange *out, KProcessAddress address, size_t size, KMemoryPermission perm, bool is_aligned) {
return m_page_table.OpenMemoryRangeForMapDeviceAddressSpace(out, address, size, perm, is_aligned);
}
Result OpenMemoryRangeForUnmapDeviceAddressSpace(KPageTableBase::MemoryRange *out, KProcessAddress address, size_t size) {
return m_page_table.OpenMemoryRangeForUnmapDeviceAddressSpace(out, address, size);
}
Result LockForIpcUserBuffer(KPhysicalAddress *out, KProcessAddress address, size_t size) {
return m_page_table.LockForIpcUserBuffer(out, address, size);
}
@ -188,6 +200,10 @@ namespace ams::kern::arch::arm64 {
return m_page_table.UnlockForCodeMemory(address, size, pg);
}
Result OpenMemoryRangeForProcessCacheOperation(KPageTableBase::MemoryRange *out, KProcessAddress address, size_t size) {
return m_page_table.OpenMemoryRangeForProcessCacheOperation(out, address, size);
}
Result CopyMemoryFromLinearToUser(KProcessAddress dst_addr, size_t size, KProcessAddress src_addr, u32 src_state_mask, u32 src_state, KMemoryPermission src_test_perm, u32 src_attr_mask, u32 src_attr) {
return m_page_table.CopyMemoryFromLinearToUser(dst_addr, size, src_addr, src_state_mask, src_state, src_test_perm, src_attr_mask, src_attr);
}
@ -240,6 +256,10 @@ namespace ams::kern::arch::arm64 {
return m_page_table.UnmapPhysicalMemoryUnsafe(address, size);
}
Result UnmapProcessMemory(KProcessAddress dst_address, size_t size, KProcessPageTable &src_page_table, KProcessAddress src_address) {
return m_page_table.UnmapProcessMemory(dst_address, size, src_page_table.m_page_table, src_address);
}
void DumpMemoryBlocks() const {
return m_page_table.DumpMemoryBlocks();
}

9
libraries/libmesosphere/include/mesosphere/board/nintendo/nx/kern_k_device_page_table.hpp
View file

@ -69,8 +69,8 @@ namespace ams::kern::board::nintendo::nx {
Result Attach(ams::svc::DeviceName device_name, u64 space_address, u64 space_size);
Result Detach(ams::svc::DeviceName device_name);
Result Map(size_t *out_mapped_size, const KPageGroup &pg, KDeviceVirtualAddress device_address, ams::svc::MemoryPermission device_perm, bool refresh_mappings);
Result Unmap(const KPageGroup &pg, KDeviceVirtualAddress device_address);
Result Map(size_t *out_mapped_size, KProcessPageTable *page_table, KProcessAddress process_address, size_t size, KDeviceVirtualAddress device_address, ams::svc::MemoryPermission device_perm, bool refresh_mappings);
Result Unmap(KProcessPageTable *page_table, KProcessAddress process_address, size_t size, KDeviceVirtualAddress device_address);
void Unmap(KDeviceVirtualAddress device_address, size_t size) {
return this->UnmapImpl(device_address, size, false);
@ -78,12 +78,11 @@ namespace ams::kern::board::nintendo::nx {
private:
Result MapDevicePage(size_t *out_mapped_size, s32 &num_pt, s32 max_pt, KPhysicalAddress phys_addr, u64 size, KDeviceVirtualAddress address, ams::svc::MemoryPermission device_perm);
Result MapImpl(size_t *out_mapped_size, s32 &num_pt, s32 max_pt, const KPageGroup &pg, KDeviceVirtualAddress device_address, ams::svc::MemoryPermission device_perm);
Result MapImpl(size_t *out_mapped_size, s32 &num_pt, s32 max_pt, KProcessPageTable *page_table, KProcessAddress process_address, size_t size, KDeviceVirtualAddress device_address, ams::svc::MemoryPermission device_perm, bool is_aligned);
void UnmapImpl(KDeviceVirtualAddress address, u64 size, bool force);
bool IsFree(KDeviceVirtualAddress address, u64 size) const;
Result MakePageGroup(KPageGroup *out, KDeviceVirtualAddress address, u64 size) const;
bool Compare(const KPageGroup &pg, KDeviceVirtualAddress device_address) const;
bool Compare(KProcessPageTable *page_table, KProcessAddress process_address, size_t size, KDeviceVirtualAddress device_address) const;
public:
static void Initialize();

27
libraries/libmesosphere/include/mesosphere/kern_k_page_table_base.hpp
View file

@ -55,6 +55,13 @@ namespace ams::kern {
public:
using TraversalEntry = KPageTableImpl::TraversalEntry;
using TraversalContext = KPageTableImpl::TraversalContext;
struct MemoryRange {
KVirtualAddress address;
size_t size;
void Close();
};
protected:
enum MemoryFillValue {
MemoryFillValue_Zero = 0,
@ -155,6 +162,7 @@ namespace ams::kern {
size_t m_mapped_ipc_server_memory{};
mutable KLightLock m_general_lock{};
mutable KLightLock m_map_physical_memory_lock{};
KLightLock m_device_map_lock{};
KPageTableImpl m_impl{};
KMemoryBlockManager m_memory_block_manager{};
u32 m_allocate_option{};
@ -199,6 +207,10 @@ namespace ams::kern {
return this->CanContain(addr, size, KMemoryState_AliasCode);
}
ALWAYS_INLINE KScopedLightLock AcquireDeviceMapLock() {
return KScopedLightLock(m_device_map_lock);
}
KProcessAddress GetRegionAddress(KMemoryState state) const;
size_t GetRegionSize(KMemoryState state) const;
bool CanContain(KProcessAddress addr, size_t size, KMemoryState state) const;
@ -290,6 +302,8 @@ namespace ams::kern {
Result MakePageGroup(KPageGroup &pg, KProcessAddress addr, size_t num_pages);
bool IsValidPageGroup(const KPageGroup &pg, KProcessAddress addr, size_t num_pages);
Result GetContiguousMemoryRangeWithState(MemoryRange *out, KProcessAddress address, size_t size, u32 state_mask, u32 state, u32 perm_mask, u32 perm, u32 attr_mask, u32 attr);
NOINLINE 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);
Result MapIoImpl(KProcessAddress *out, PageLinkedList *page_list, KPhysicalAddress phys_addr, size_t size, KMemoryPermission perm);
@ -367,12 +381,15 @@ namespace ams::kern {
Result WriteDebugMemory(KProcessAddress address, const void *buffer, size_t size);
Result WriteDebugIoMemory(KProcessAddress address, const void *buffer, size_t size);
Result LockForDeviceAddressSpace(KPageGroup *out, KProcessAddress address, size_t size, KMemoryPermission perm, bool is_aligned);
Result UnlockForDeviceAddressSpace(KProcessAddress address, size_t size);
Result LockForMapDeviceAddressSpace(KProcessAddress address, size_t size, KMemoryPermission perm, bool is_aligned);
Result LockForUnmapDeviceAddressSpace(KProcessAddress address, size_t size);
Result MakePageGroupForUnmapDeviceAddressSpace(KPageGroup *out, KProcessAddress address, size_t size);
Result UnlockForDeviceAddressSpace(KProcessAddress address, size_t size);
Result UnlockForDeviceAddressSpacePartialMap(KProcessAddress address, size_t size, size_t mapped_size);
Result OpenMemoryRangeForMapDeviceAddressSpace(KPageTableBase::MemoryRange *out, KProcessAddress address, size_t size, KMemoryPermission perm, bool is_aligned);
Result OpenMemoryRangeForUnmapDeviceAddressSpace(MemoryRange *out, KProcessAddress address, size_t size);
Result LockForIpcUserBuffer(KPhysicalAddress *out, KProcessAddress address, size_t size);
Result UnlockForIpcUserBuffer(KProcessAddress address, size_t size);
@ -381,6 +398,8 @@ namespace ams::kern {
Result LockForCodeMemory(KPageGroup *out, KProcessAddress address, size_t size);
Result UnlockForCodeMemory(KProcessAddress address, size_t size, const KPageGroup &pg);
Result OpenMemoryRangeForProcessCacheOperation(MemoryRange *out, KProcessAddress address, size_t size);
Result CopyMemoryFromLinearToUser(KProcessAddress dst_addr, size_t size, KProcessAddress src_addr, u32 src_state_mask, u32 src_state, KMemoryPermission src_test_perm, u32 src_attr_mask, u32 src_attr);
Result CopyMemoryFromLinearToKernel(KProcessAddress dst_addr, size_t size, KProcessAddress src_addr, u32 src_state_mask, u32 src_state, KMemoryPermission src_test_perm, u32 src_attr_mask, u32 src_attr);
Result CopyMemoryFromUserToLinear(KProcessAddress dst_addr, size_t size, u32 dst_state_mask, u32 dst_state, KMemoryPermission dst_test_perm, u32 dst_attr_mask, u32 dst_attr, KProcessAddress src_addr);
@ -398,6 +417,8 @@ namespace ams::kern {
Result MapPhysicalMemoryUnsafe(KProcessAddress address, size_t size);
Result UnmapPhysicalMemoryUnsafe(KProcessAddress address, size_t size);
Result UnmapProcessMemory(KProcessAddress dst_address, size_t size, KPageTableBase &src_pt, KProcessAddress src_address);
void DumpMemoryBlocksLocked() const {
MESOSPHERE_ASSERT(this->IsLockedByCurrentThread());
m_memory_block_manager.DumpBlocks();