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khaxinternal.h
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khaxinternal.h
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#pragma once
#ifdef KHAX_DEBUG
#define KHAX_printf(...) printf(__VA_ARGS__), gspWaitForVBlank(), gfxFlushBuffers(), gfxSwapBuffers()
#else
#define KHAX_printf(...) gspWaitForVBlank(), gfxFlushBuffers(), gfxSwapBuffers()
#endif
// Shut up IntelliSense warnings when using MSVC as an IDE, even though MSVC will obviously never
// actually compile this program.
#ifdef _MSC_VER
#undef ALIGN
#define ALIGN(x) __declspec(align(x))
#if _MSC_VER < 1900
#define alignof __alignof
#endif
#define KHAX_ATTRIBUTE(...)
#else
#define KHAX_ATTRIBUTE(...) __VA_ARGS__
#endif
#define KHAX_lengthof(...) (sizeof(__VA_ARGS__) / sizeof((__VA_ARGS__)[0]))
#define KHAX_UNUSED(...) static_cast<void>(__VA_ARGS__)
//------------------------------------------------------------------------------------------------
namespace KHAX
{
//------------------------------------------------------------------------------------------------
// This code uses offsetof illegally (i.e. on polymorphic classes).
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Winvalid-offsetof"
//------------------------------------------------------------------------------------------------
// General linked list node kernel object.
struct KLinkedListNode
{
KLinkedListNode *next;
KLinkedListNode *prev;
void *data;
};
static_assert(sizeof(KLinkedListNode) == 0x00C, "KLinkedListNode isn't the expected size.");
//------------------------------------------------------------------------------------------------
// Base class of reference-counted kernel objects.
class KAutoObject
{
public:
u32 m_refCount; // +004
protected:
virtual ~KAutoObject() {}
};
static_assert(sizeof(KAutoObject) == 0x008, "KAutoObject isn't the expected size.");
static_assert(offsetof(KAutoObject, m_refCount) == 0x004, "KAutoObject isn't the expected layout.");
//------------------------------------------------------------------------------------------------
// Base class of synchronizable objects.
class KSynchronizationObject : public KAutoObject
{
public:
u32 m_threadSyncCount; // +008
KLinkedListNode *m_threadSyncFirst; // +00C
KLinkedListNode *m_threadSyncLast; // +010
};
static_assert(sizeof(KSynchronizationObject) == 0x014, "KSynchronizationObject isn't the expected size.");
static_assert(offsetof(KSynchronizationObject, m_threadSyncCount) == 0x008,
"KSynchronizationObject isn't the expected layout.");
//------------------------------------------------------------------------------------------------
struct KDebugThread;
struct KThreadLocalPage;
class KCodeSet;
//------------------------------------------------------------------------------------------------
// Unofficial name
typedef u8 KSVCACL[0x80 / 8];
//------------------------------------------------------------------------------------------------
// ARM VFP register
union KHAX_ATTRIBUTE(__attribute__((__aligned__(4))) __attribute__((__packed__))) VFPRegister
{
float m_single[2];
double m_double;
};
static_assert(alignof(VFPRegister) == 0x004,
"VFPRegister isn't the expected alignment.");
static_assert(sizeof(VFPRegister) == 0x008,
"VFPRegister isn't the expected size.");
//------------------------------------------------------------------------------------------------
// SVC-mode register save area.
// http://3dbrew.org/wiki/Memory_layout#0xFF4XX000
struct SVCRegisterState
{
u32 m_r4; // +000
u32 m_r5; // +004
u32 m_r6; // +008
u32 m_r7; // +00C
u32 m_r8; // +010
u32 m_r9; // +014
u32 m_sl; // +018
u32 m_fp; // +01C
u32 m_sp; // +020
u32 m_lr; // +024
};
static_assert(sizeof(SVCRegisterState) == 0x028,
"SVCRegisterState isn't the expected size.");
//------------------------------------------------------------------------------------------------
// SVC-mode thread state structure. This is the last part of the per-
// thread page allocated in 0xFF4XX000.
// http://3dbrew.org/wiki/Memory_layout#0xFF4XX000
struct SVCThreadArea
{
KSVCACL m_svcAccessControl; // +000
u32 m_unknown010; // +010
u32 m_unknown014; // +014
SVCRegisterState m_svcRegisterState; // +018
VFPRegister m_vfpRegisters[16]; // +040
u32 m_unknown0C4; // +0C0
u32 m_fpexc; // +0C4
};
static_assert(offsetof(SVCThreadArea, m_svcRegisterState) == 0x018,
"ThreadSVCArea isn't the expected layout.");
static_assert(sizeof(SVCThreadArea) == 0x0C8,
"ThreadSVCArea isn't the expected size.");
//------------------------------------------------------------------------------------------------
// Kernel's internal structure of a thread object.
class KThread : public KSynchronizationObject
{
public:
u32 m_unknown014; // +014
u32 m_unknown018; // +018
u32 m_unknown01C; // +01C
u32 m_unknown020; // +020
u32 m_unknown024; // +024
u32 m_unknown028; // +028
u32 m_unknown02C; // +02C
u32 m_unknown030; // +030
u32 m_unknown034; // +034
KDebugThread *m_debugThread; // +038
s32 m_threadPriority; // +03C
void *m_waitingOnObject; // +040
u32 m_unknown044; // +044
KThread **m_schedulerUnknown048; // +048
void *m_arbitrationAddress; // +04C
u32 m_unknown050; // +050
u32 m_unknown054; // +054
u32 m_unknown058; // +058
KLinkedListNode *m_waitingOnList; // +05C
u32 m_unknownListCount; // +060
KLinkedListNode *m_unknownListHead; // +064
KLinkedListNode *m_unknownListTail; // +068
s32 m_threadPriority2; // +06C
s32 m_creatingProcessor; // +070
u32 m_unknown074; // +074
u32 m_unknown078; // +078
u16 m_unknown07C; // +07C
u8 m_threadType; // +07E
u8 m_padding07F; // +07F
void *m_process; // +080
u32 m_threadID; // +084
SVCRegisterState *m_svcRegisterState; // +088
void *m_svcPageEnd; // +08C
s32 m_idealProcessor; // +090
void *m_tlsUserMode; // +094
void *m_tlsKernelMode; // +098
u32 m_unknown09C; // +09C
KThread *m_prev; // +0A0
KThread *m_next; // +0A4
KThread **m_temporaryLinkedList; // +0A8
u32 m_unknown0AC; // +0B0
};
static_assert(sizeof(KThread) == 0x0B0,
"KThread isn't the expected size.");
static_assert(offsetof(KThread, m_svcRegisterState) == 0x088,
"KThread isn't the expected layout.");
//------------------------------------------------------------------------------------------------
// Kernel's internal structure of a process object.
// Version 1.0.0(?) - 7.2.0
class KProcess_1_0_0_Old : public KSynchronizationObject
{
public:
u32 m_unknown014; // +014
u32 m_unknown018; // +018
KThread *volatile m_interactingThread; // +01C
u16 m_unknown020; // +020
u16 m_unknown022; // +022
u32 m_unknown024; // +024
u32 m_unknown028; // +028
u32 m_memoryBlockCount; // +02C
KLinkedListNode *m_memoryBlockFirst; // +030
KLinkedListNode *m_memoryBlockLast; // +034
u32 m_unknown038; // +038
u32 m_unknown03C; // +03C
void *m_translationTableBase; // +040
u8 m_contextID; // +044
u32 m_unknown048; // +048
u32 m_unknown04C; // +04C
u32 m_mmuTableSize; // +050
void *m_mmuTableAddress; // +054
u32 m_threadContextPagesSize; // +058
u32 m_threadLocalPageCount; // +05C
KLinkedListNode *m_threadLocalPageFirst; // +060
KLinkedListNode *m_threadLocalPageLast; // +064
u32 m_unknown068; // +068
s32 m_idealProcessor; // +06C
u32 m_unknown070; // +070
void *m_resourceLimits; // +074
u8 m_unknown078; // +078
u8 m_affinityMask; // +079
u32 m_threadCount; // +07C
KSVCACL m_svcAccessControl; // +080
u32 m_interruptFlags[0x80 / 32]; // +090
u32 m_kernelFlags; // +0A0
u16 m_handleTableSize; // +0A4
u16 m_kernelReleaseVersion; // +0A6
KCodeSet *m_codeSet; // +0A8
u32 m_processID; // +0AC
u32 m_kernelFlags2; // +0B0
u32 m_unknown0B4; // +0B4
KThread *m_mainThread; // +0B8
//...more...
};
static_assert(offsetof(KProcess_1_0_0_Old, m_svcAccessControl) == 0x080,
"KProcess_1_0_0_Old isn't the expected layout.");
//------------------------------------------------------------------------------------------------
// Kernel's internal structure of a process object.
// Old 3DS Version 8.0.0 - 9.5.0...
class KProcess_8_0_0_Old : public KSynchronizationObject
{
public:
u32 m_unknown014; // +014
u32 m_unknown018; // +018
KThread *volatile m_interactingThread; // +01C
u16 m_unknown020; // +020
u16 m_unknown022; // +022
u32 m_unknown024; // +024
u32 m_unknown028; // +028
u32 m_memoryBlockCount; // +02C
KLinkedListNode *m_memoryBlockFirst; // +030
KLinkedListNode *m_memoryBlockLast; // +034
u32 m_unknown038; // +038
u32 m_unknown03C; // +03C
void *m_translationTableBase; // +040
u8 m_contextID; // +044
u32 m_unknown048; // +048
void *m_userVirtualMemoryEnd; // +04C
void *m_userLinearVirtualBase; // +050
u32 m_unknown054; // +054
u32 m_mmuTableSize; // +058
void *m_mmuTableAddress; // +05C
u32 m_threadContextPagesSize; // +060
u32 m_threadLocalPageCount; // +064
KLinkedListNode *m_threadLocalPageFirst; // +068
KLinkedListNode *m_threadLocalPageLast; // +06C
u32 m_unknown070; // +070
s32 m_idealProcessor; // +074
u32 m_unknown078; // +078
void *m_resourceLimits; // +07C
u32 m_unknown080; // +080
u32 m_threadCount; // +084
u8 m_svcAccessControl[0x80 / 8]; // +088
u32 m_interruptFlags[0x80 / 32]; // +098
u32 m_kernelFlags; // +0A8
u16 m_handleTableSize; // +0AC
u16 m_kernelReleaseVersion; // +0AE
KCodeSet *m_codeSet; // +0B0
u32 m_processID; // +0B4
u32 m_unknown0B8; // +0B8
u32 m_unknown0BC; // +0BC
KThread *m_mainThread; // +0C0
//...more...
};
static_assert(offsetof(KProcess_8_0_0_Old, m_svcAccessControl) == 0x088,
"KProcess_8_0_0_Old isn't the expected layout.");
//------------------------------------------------------------------------------------------------
// Kernel's internal structure of a process object.
// New 3DS Version 8.0.0 - 9.5.0...
class KProcess_8_0_0_New : public KSynchronizationObject
{
public:
u32 m_unknown014; // +014
u32 m_unknown018; // +018
KThread *volatile m_interactingThread; // +01C
u16 m_unknown020; // +020
u16 m_unknown022; // +022
u32 m_unknown024; // +024
u32 m_unknown028; // +028
u32 m_unknown02C; // +02C new to New 3DS
u32 m_unknown030; // +030 new to New 3DS
u32 m_memoryBlockCount; // +034
KLinkedListNode *m_memoryBlockFirst; // +038
KLinkedListNode *m_memoryBlockLast; // +03C
u32 m_unknown040; // +040
u32 m_unknown044; // +044
void *m_translationTableBase; // +048
u8 m_contextID; // +04C
u32 m_unknown050; // +050
void *m_userVirtualMemoryEnd; // +054
void *m_userLinearVirtualBase; // +058
u32 m_unknown05C; // +05C
u32 m_mmuTableSize; // +060
void *m_mmuTableAddress; // +064
u32 m_threadContextPagesSize; // +068
u32 m_threadLocalPageCount; // +06C
KLinkedListNode *m_threadLocalPageFirst; // +070
KLinkedListNode *m_threadLocalPageLast; // +074
u32 m_unknown078; // +078
s32 m_idealProcessor; // +07C
u32 m_unknown080; // +080
void *m_resourceLimits; // +084
u32 m_unknown088; // +088
u32 m_threadCount; // +08C
u8 m_svcAccessControl[0x80 / 8]; // +090
u32 m_interruptFlags[0x80 / 32]; // +0A0
u32 m_kernelFlags; // +0B0
u16 m_handleTableSize; // +0B4
u16 m_kernelReleaseVersion; // +0B6
KCodeSet *m_codeSet; // +0B8
u32 m_processID; // +0BC
u32 m_unknown0C0; // +0C0
u32 m_unknown0C4; // +0C4
KThread *m_mainThread; // +0C8
//...more...
};
static_assert(offsetof(KProcess_8_0_0_New, m_svcAccessControl) == 0x090,
"KProcess_8_0_0_New isn't the expected layout.");
//------------------------------------------------------------------------------------------------
// Done using illegal offsetof
#pragma GCC diagnostic pop
}