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kern: revise KPageTableBase region layout logic to match 18.0.0 changes

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This commit is contained in:
Michael Scire
2024-03-28 01:47:36 -07:00
parent 4301e948cc
commit 8cacb07d5f
2 changed files with 363 additions and 186 deletions
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53
libraries/libmesosphere/include/mesosphere/kern_k_page_table_base.hpp
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@@ -86,6 +86,15 @@ namespace ams::kern {
MemoryFillValue_Heap = 'Z',
};
enum RegionType {
RegionType_KernelMap = 0,
RegionType_Stack = 1,
RegionType_Alias = 2,
RegionType_Heap = 3,
RegionType_Count,
};
enum OperationType {
OperationType_Map = 0,
OperationType_MapGroup = 1,
@@ -165,15 +174,9 @@ namespace ams::kern {
private:
KProcessAddress m_address_space_start;
KProcessAddress m_address_space_end;
KProcessAddress m_heap_region_start;
KProcessAddress m_heap_region_end;
KProcessAddress m_region_starts[RegionType_Count];
KProcessAddress m_region_ends[RegionType_Count];
KProcessAddress m_current_heap_end;
KProcessAddress m_alias_region_start;
KProcessAddress m_alias_region_end;
KProcessAddress m_stack_region_start;
KProcessAddress m_stack_region_end;
KProcessAddress m_kernel_map_region_start;
KProcessAddress m_kernel_map_region_end;
KProcessAddress m_alias_code_region_start;
KProcessAddress m_alias_code_region_end;
KProcessAddress m_code_region_start;
@@ -203,10 +206,10 @@ namespace ams::kern {
MemoryFillValue m_stack_fill_value;
public:
constexpr explicit KPageTableBase(util::ConstantInitializeTag)
: m_address_space_start(Null<KProcessAddress>), m_address_space_end(Null<KProcessAddress>), m_heap_region_start(Null<KProcessAddress>),
m_heap_region_end(Null<KProcessAddress>), m_current_heap_end(Null<KProcessAddress>), m_alias_region_start(Null<KProcessAddress>),
m_alias_region_end(Null<KProcessAddress>), m_stack_region_start(Null<KProcessAddress>), m_stack_region_end(Null<KProcessAddress>),
m_kernel_map_region_start(Null<KProcessAddress>), m_kernel_map_region_end(Null<KProcessAddress>), m_alias_code_region_start(Null<KProcessAddress>),
: m_address_space_start(Null<KProcessAddress>), m_address_space_end(Null<KProcessAddress>),
m_region_starts{Null<KProcessAddress>, Null<KProcessAddress>, Null<KProcessAddress>, Null<KProcessAddress>},
m_region_ends{Null<KProcessAddress>, Null<KProcessAddress>, Null<KProcessAddress>, Null<KProcessAddress>},
m_current_heap_end(Null<KProcessAddress>), m_alias_code_region_start(Null<KProcessAddress>),
m_alias_code_region_end(Null<KProcessAddress>), m_code_region_start(Null<KProcessAddress>), m_code_region_end(Null<KProcessAddress>),
m_max_heap_size(), m_mapped_physical_memory_size(), m_mapped_unsafe_physical_memory(), m_mapped_insecure_memory(), m_mapped_ipc_server_memory(),
m_general_lock(), m_map_physical_memory_lock(), m_device_map_lock(), m_impl(util::ConstantInitialize), m_memory_block_manager(util::ConstantInitialize),
@@ -236,7 +239,7 @@ namespace ams::kern {
}
constexpr bool IsInAliasRegion(KProcessAddress addr, size_t size) const {
return this->Contains(addr, size) && m_alias_region_start <= addr && addr + size - 1 <= m_alias_region_end - 1;
return this->Contains(addr, size) && m_region_starts[RegionType_Alias] <= addr && addr + size - 1 <= m_region_ends[RegionType_Alias] - 1;
}
bool IsInUnsafeAliasRegion(KProcessAddress addr, size_t size) const {
@@ -479,24 +482,28 @@ namespace ams::kern {
}
public:
KProcessAddress GetAddressSpaceStart() const { return m_address_space_start; }
KProcessAddress GetHeapRegionStart() const { return m_heap_region_start; }
KProcessAddress GetAliasRegionStart() const { return m_alias_region_start; }
KProcessAddress GetStackRegionStart() const { return m_stack_region_start; }
KProcessAddress GetKernelMapRegionStart() const { return m_kernel_map_region_start; }
KProcessAddress GetHeapRegionStart() const { return m_region_starts[RegionType_Heap]; }
KProcessAddress GetAliasRegionStart() const { return m_region_starts[RegionType_Alias]; }
KProcessAddress GetStackRegionStart() const { return m_region_starts[RegionType_Stack]; }
KProcessAddress GetKernelMapRegionStart() const { return m_region_starts[RegionType_KernelMap]; }
KProcessAddress GetAliasCodeRegionStart() const { return m_alias_code_region_start; }
size_t GetAddressSpaceSize() const { return m_address_space_end - m_address_space_start; }
size_t GetHeapRegionSize() const { return m_heap_region_end - m_heap_region_start; }
size_t GetAliasRegionSize() const { return m_alias_region_end - m_alias_region_start; }
size_t GetStackRegionSize() const { return m_stack_region_end - m_stack_region_start; }
size_t GetKernelMapRegionSize() const { return m_kernel_map_region_end - m_kernel_map_region_start; }
size_t GetAddressSpaceSize() const { return m_address_space_end - m_address_space_start; }
size_t GetHeapRegionSize() const { return m_region_ends[RegionType_Heap] - m_region_starts[RegionType_Heap]; }
size_t GetAliasRegionSize() const { return m_region_ends[RegionType_Alias] - m_region_starts[RegionType_Alias]; }
size_t GetStackRegionSize() const { return m_region_ends[RegionType_Stack] - m_region_starts[RegionType_Stack]; }
size_t GetKernelMapRegionSize() const { return m_region_ends[RegionType_KernelMap] - m_region_starts[RegionType_KernelMap]; }
size_t GetAliasCodeRegionSize() const { return m_alias_code_region_end - m_alias_code_region_start; }
size_t GetNormalMemorySize() const {
/* Lock the table. */
KScopedLightLock lk(m_general_lock);
return (m_current_heap_end - m_heap_region_start) + m_mapped_physical_memory_size;
return (m_current_heap_end - m_region_starts[RegionType_Heap]) + m_mapped_physical_memory_size;
}
size_t GetCodeSize() const;