OmniNX/Atmosphere
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

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();