mirror of
https://github.com/Atmosphere-NX/Atmosphere
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187 lines
12 KiB
C++
187 lines
12 KiB
C++
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <mesosphere/kern_common.hpp>
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#include <mesosphere/kern_k_typed_address.hpp>
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#include <mesosphere/kern_slab_helpers.hpp>
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namespace ams::kern {
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enum KMemoryState : u32 {
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KMemoryState_None = 0,
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KMemoryState_Mask = 0xFF,
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KMemoryState_FlagCanReprotect = (1 << 8),
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KMemoryState_FlagCanDebug = (1 << 9),
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KMemoryState_FlagCanUseIpc = (1 << 10),
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KMemoryState_FlagCanUseNonDeviceIpc = (1 << 11),
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KMemoryState_FlagCanUseNonSecureIpc = (1 << 12),
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KMemoryState_FlagMapped = (1 << 13),
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KMemoryState_FlagCode = (1 << 14),
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KMemoryState_FlagCanAlias = (1 << 15),
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KMemoryState_FlagCanCodeAlias = (1 << 16),
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KMemoryState_FlagCanTransfer = (1 << 17),
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KMemoryState_FlagCanQueryPhysical = (1 << 18),
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KMemoryState_FlagCanDeviceMap = (1 << 19),
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KMemoryState_FlagCanAlignedDeviceMap = (1 << 20),
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KMemoryState_FlagCanIpcUserBuffer = (1 << 21),
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KMemoryState_FlagReferenceCounted = (1 << 22),
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KMemoryState_FlagCanMapProcess = (1 << 23),
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KMemoryState_FlagCanChangeAttribute = (1 << 24),
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KMemoryState_FlagCanCodeMemory = (1 << 25),
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KMemoryState_FlagsData = KMemoryState_FlagCanReprotect | KMemoryState_FlagCanUseIpc |
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KMemoryState_FlagCanUseNonDeviceIpc | KMemoryState_FlagCanUseNonSecureIpc |
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KMemoryState_FlagMapped | KMemoryState_FlagCanAlias |
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KMemoryState_FlagCanTransfer | KMemoryState_FlagCanQueryPhysical |
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KMemoryState_FlagCanDeviceMap | KMemoryState_FlagCanAlignedDeviceMap |
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KMemoryState_FlagCanIpcUserBuffer | KMemoryState_FlagReferenceCounted |
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KMemoryState_FlagCanChangeAttribute,
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KMemoryState_FlagsCode = KMemoryState_FlagCanDebug | KMemoryState_FlagCanUseIpc |
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KMemoryState_FlagCanUseNonDeviceIpc | KMemoryState_FlagCanUseNonSecureIpc |
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KMemoryState_FlagMapped | KMemoryState_FlagCode |
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KMemoryState_FlagCanQueryPhysical | KMemoryState_FlagCanDeviceMap |
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KMemoryState_FlagCanAlignedDeviceMap | KMemoryState_FlagReferenceCounted,
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KMemoryState_FlagsMisc = KMemoryState_FlagMapped | KMemoryState_FlagReferenceCounted |
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KMemoryState_FlagCanQueryPhysical | KMemoryState_FlagCanDeviceMap,
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KMemoryState_Free = ams::svc::MemoryState_Free,
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KMemoryState_Io = ams::svc::MemoryState_Io | KMemoryState_FlagMapped,
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KMemoryState_Static = ams::svc::MemoryState_Static | KMemoryState_FlagMapped | KMemoryState_FlagCanQueryPhysical,
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KMemoryState_Code = ams::svc::MemoryState_Code | KMemoryState_FlagsCode | KMemoryState_FlagCanMapProcess,
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KMemoryState_CodeData = ams::svc::MemoryState_CodeData | KMemoryState_FlagsData | KMemoryState_FlagCanMapProcess | KMemoryState_FlagCanCodeMemory,
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KMemoryState_Normal = ams::svc::MemoryState_Normal | KMemoryState_FlagsData | KMemoryState_FlagCanCodeMemory,
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KMemoryState_Shared = ams::svc::MemoryState_Shared | KMemoryState_FlagMapped | KMemoryState_FlagReferenceCounted,
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/* KMemoryState_Alias was removed after 1.0.0. */
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KMemoryState_AliasCode = ams::svc::MemoryState_AliasCode | KMemoryState_FlagsCode | KMemoryState_FlagCanMapProcess | KMemoryState_FlagCanCodeAlias,
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KMemoryState_AliasCodeData = ams::svc::MemoryState_AliasCodeData | KMemoryState_FlagsData | KMemoryState_FlagCanMapProcess | KMemoryState_FlagCanCodeAlias | KMemoryState_FlagCanCodeMemory,
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KMemoryState_Ipc = ams::svc::MemoryState_Ipc | KMemoryState_FlagsMisc | KMemoryState_FlagCanAlignedDeviceMap
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| KMemoryState_FlagCanUseIpc | KMemoryState_FlagCanUseNonSecureIpc | KMemoryState_FlagCanUseNonDeviceIpc,
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KMemoryState_Stack = ams::svc::MemoryState_Stack | KMemoryState_FlagsMisc | KMemoryState_FlagCanAlignedDeviceMap
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| KMemoryState_FlagCanUseIpc | KMemoryState_FlagCanUseNonSecureIpc | KMemoryState_FlagCanUseNonDeviceIpc,
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KMemoryState_ThreadLocal = ams::svc::MemoryState_ThreadLocal | KMemoryState_FlagMapped | KMemoryState_FlagReferenceCounted,
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KMemoryState_Transfered = ams::svc::MemoryState_Transfered | KMemoryState_FlagsMisc | KMemoryState_FlagCanAlignedDeviceMap | KMemoryState_FlagCanChangeAttribute
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| KMemoryState_FlagCanUseIpc | KMemoryState_FlagCanUseNonSecureIpc | KMemoryState_FlagCanUseNonDeviceIpc,
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KMemoryState_SharedTransfered = ams::svc::MemoryState_SharedTransfered | KMemoryState_FlagsMisc | KMemoryState_FlagCanAlignedDeviceMap
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| KMemoryState_FlagCanUseNonSecureIpc | KMemoryState_FlagCanUseNonDeviceIpc,
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KMemoryState_SharedCode = ams::svc::MemoryState_SharedCode | KMemoryState_FlagMapped | KMemoryState_FlagReferenceCounted
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| KMemoryState_FlagCanUseNonSecureIpc | KMemoryState_FlagCanUseNonDeviceIpc,
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KMemoryState_Inaccessible = ams::svc::MemoryState_Inaccessible,
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KMemoryState_NonSecureIpc = ams::svc::MemoryState_NonSecureIpc | KMemoryState_FlagsMisc | KMemoryState_FlagCanAlignedDeviceMap
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| KMemoryState_FlagCanUseNonSecureIpc | KMemoryState_FlagCanUseNonDeviceIpc,
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KMemoryState_NonDeviceIpc = ams::svc::MemoryState_NonDeviceIpc | KMemoryState_FlagsMisc | KMemoryState_FlagCanUseNonDeviceIpc,
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KMemoryState_Kernel = ams::svc::MemoryState_Kernel | KMemoryState_FlagMapped,
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KMemoryState_GeneratedCode = ams::svc::MemoryState_GeneratedCode | KMemoryState_FlagMapped | KMemoryState_FlagReferenceCounted | KMemoryState_FlagCanDebug,
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KMemoryState_CodeOut = ams::svc::MemoryState_CodeOut | KMemoryState_FlagMapped | KMemoryState_FlagReferenceCounted,
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};
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#if 1
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static_assert(KMemoryState_Free == 0x00000000);
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static_assert(KMemoryState_Io == 0x00002001);
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static_assert(KMemoryState_Static == 0x00042002);
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static_assert(KMemoryState_Code == 0x00DC7E03);
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static_assert(KMemoryState_CodeData == 0x03FEBD04);
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static_assert(KMemoryState_Normal == 0x037EBD05);
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static_assert(KMemoryState_Shared == 0x00402006);
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static_assert(KMemoryState_AliasCode == 0x00DD7E08);
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static_assert(KMemoryState_AliasCodeData == 0x03FFBD09);
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static_assert(KMemoryState_Ipc == 0x005C3C0A);
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static_assert(KMemoryState_Stack == 0x005C3C0B);
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static_assert(KMemoryState_ThreadLocal == 0x0040200C);
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static_assert(KMemoryState_Transfered == 0x015C3C0D);
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static_assert(KMemoryState_SharedTransfered == 0x005C380E);
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static_assert(KMemoryState_SharedCode == 0x0040380F);
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static_assert(KMemoryState_Inaccessible == 0x00000010);
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static_assert(KMemoryState_NonSecureIpc == 0x005C3811);
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static_assert(KMemoryState_NonDeviceIpc == 0x004C2812);
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static_assert(KMemoryState_Kernel == 0x00002013);
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static_assert(KMemoryState_GeneratedCode == 0x00402214);
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static_assert(KMemoryState_CodeOut == 0x00402015);
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#endif
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enum KMemoryPermission : u8 {
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KMemoryPermission_None = 0,
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KMemoryPermission_UserRead = ams::svc::MemoryPermission_Read,
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KMemoryPermission_UserWrite = ams::svc::MemoryPermission_Write,
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KMemoryPermission_UserExecute = ams::svc::MemoryPermission_Execute,
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KMemoryPermission_UserReadWrite = ams::svc::MemoryPermission_ReadWrite,
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KMemoryPermission_UserReadExecute = ams::svc::MemoryPermission_ReadExecute,
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KMemoryPermission_UserMask = KMemoryPermission_UserRead | KMemoryPermission_UserWrite | KMemoryPermission_UserExecute,
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KMemoryPermission_KernelShift = 3,
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KMemoryPermission_KernelRead = KMemoryPermission_UserRead << KMemoryPermission_KernelShift,
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KMemoryPermission_KernelWrite = KMemoryPermission_UserWrite << KMemoryPermission_KernelShift,
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KMemoryPermission_KernelExecute = KMemoryPermission_UserExecute << KMemoryPermission_KernelShift,
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KMemoryPermission_KernelReadWrite = KMemoryPermission_KernelRead | KMemoryPermission_KernelWrite,
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KMemoryPermission_KernelReadExecute = KMemoryPermission_KernelRead | KMemoryPermission_KernelExecute,
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};
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constexpr KMemoryPermission ConvertToKMemoryPermission(ams::svc::MemoryPermission perm) {
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return static_cast<KMemoryPermission>((perm & KMemoryPermission_UserMask) | KMemoryPermission_KernelRead | ((perm & KMemoryPermission_UserWrite) << KMemoryPermission_KernelShift));
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}
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enum KMemoryAttribute : u8 {
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KMemoryAttribute_None = 0x00,
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KMemoryAttribute_Locked = ams::svc::MemoryAttribute_Locked,
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KMemoryAttribute_IpcLocked = ams::svc::MemoryAttribute_IpcLocked,
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KMemoryAttribute_DeviceShared = ams::svc::MemoryAttribute_DeviceShared,
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KMemoryAttribute_Uncached = ams::svc::MemoryAttribute_Uncached,
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};
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class KMemoryBlock : public util::IntrusiveRedBlackTreeBaseNode<KMemoryBlock> {
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private:
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KProcessAddress address;
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size_t num_pages;
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KMemoryState memory_state;
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u16 ipc_lock_count;
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u16 device_use_count;
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KMemoryPermission perm;
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KMemoryPermission original_perm;
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KMemoryAttribute attribute;
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public:
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constexpr KMemoryBlock()
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: address(), num_pages(), memory_state(KMemoryState_None), ipc_lock_count(), device_use_count(), perm(), original_perm(), attribute()
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{
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/* ... */
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}
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};
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}
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