/* $Id: PATMA.h 28800 2010-04-27 08:22:32Z vboxsync $ */ /** @file * PATM macros & definitions (identical to PATMA.mac!!) */ /* * Copyright (C) 2006-2007 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; * you can redistribute it and/or modify it under the terms of the GNU * General Public License (GPL) as published by the Free Software * Foundation, in version 2 as it comes in the "COPYING" file of the * VirtualBox OSE distribution. VirtualBox OSE is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. */ #ifndef ___PATMA_H #define ___PATMA_H #define PATM_VMFLAGS 0xF1ABCD00 #ifdef VBOX_WITH_STATISTICS #define PATM_ALLPATCHCALLS 0xF1ABCD01 #define PATM_PERPATCHCALLS 0xF1ABCD02 #endif #define PATM_JUMPDELTA 0xF1ABCD03 #ifdef VBOX_WITH_STATISTICS #define PATM_IRETEFLAGS 0xF1ABCD04 #define PATM_IRETCS 0xF1ABCD05 #define PATM_IRETEIP 0xF1ABCD06 #endif #define PATM_FIXUP 0xF1ABCD07 #define PATM_PENDINGACTION 0xF1ABCD08 #define PATM_CPUID_STD_PTR 0xF1ABCD09 #define PATM_CPUID_EXT_PTR 0xF1ABCD0a #define PATM_CPUID_DEF_PTR 0xF1ABCD0b #define PATM_STACKBASE 0xF1ABCD0c /** Stack to store our private patch return addesses */ #define PATM_STACKBASE_GUEST 0xF1ABCD0d /** Stack to store guest return addresses */ #define PATM_STACKPTR 0xF1ABCD0e #define PATM_PATCHBASE 0xF1ABCD0f #define PATM_INTERRUPTFLAG 0xF1ABCD10 #define PATM_INHIBITIRQADDR 0xF1ABCD11 #define PATM_VM_FORCEDACTIONS 0xF1ABCD12 #define PATM_TEMP_EAX 0xF1ABCD13 /** Location for original EAX register */ #define PATM_TEMP_ECX 0xF1ABCD14 /** Location for original ECX register */ #define PATM_TEMP_EDI 0xF1ABCD15 /** Location for original EDI register */ #define PATM_TEMP_EFLAGS 0xF1ABCD16 /** Location for original eflags */ #define PATM_TEMP_RESTORE_FLAGS 0xF1ABCD17 /** Which registers to restore */ #define PATM_CALL_PATCH_TARGET_ADDR 0xF1ABCD18 #define PATM_CALL_RETURN_ADDR 0xF1ABCD19 #define PATM_CPUID_CENTAUR_PTR 0xF1ABCD1a /* Anything larger doesn't require a fixup */ #define PATM_NO_FIXUP 0xF1ABCE00 #define PATM_CPUID_STD_MAX 0xF1ABCE00 #define PATM_CPUID_EXT_MAX 0xF1ABCE01 #define PATM_RETURNADDR 0xF1ABCE02 #define PATM_PATCHNEXTBLOCK 0xF1ABCE03 #define PATM_CALLTARGET 0xF1ABCE04 /** relative call target */ #define PATM_NEXTINSTRADDR 0xF1ABCE05 /** absolute guest address of the next instruction */ #define PATM_CURINSTRADDR 0xF1ABCE06 /** absolute guest address of the current instruction */ #define PATM_LOOKUP_AND_CALL_FUNCTION 0xF1ABCE07 /** Relative address of global PATM lookup and call function. */ #define PATM_RETURN_FUNCTION 0xF1ABCE08 /** Relative address of global PATM return function. */ #define PATM_LOOKUP_AND_JUMP_FUNCTION 0xF1ABCE09 /** Relative address of global PATM lookup and jump function. */ #define PATM_IRET_FUNCTION 0xF1ABCE0A /** Relative address of global PATM iret function. */ #define PATM_CPUID_CENTAUR_MAX 0xF1ABCE0B // everything except IOPL, NT, IF, VM, VIF, VIP and RF #define PATM_FLAGS_MASK (X86_EFL_CF|X86_EFL_PF|X86_EFL_AF|X86_EFL_ZF|X86_EFL_SF|X86_EFL_TF|X86_EFL_DF|X86_EFL_OF|X86_EFL_AC|X86_EFL_ID) // currently only IF & IOPL #define PATM_VIRTUAL_FLAGS_MASK (X86_EFL_IF|X86_EFL_IOPL) /* PATM stack size (identical in PATMA.mac!!) */ #define PATM_STACK_SIZE (PAGE_SIZE) #define PATM_STACK_TOTAL_SIZE (2*PATM_STACK_SIZE) #define PATM_MAX_STACK (PATM_STACK_SIZE/sizeof(RTRCPTR)) /* Patch Manager pending actions (in GCSTATE). */ #define PATM_ACTION_LOOKUP_ADDRESS 1 #define PATM_ACTION_DISPATCH_PENDING_IRQ 2 #define PATM_ACTION_PENDING_IRQ_AFTER_IRET 3 #define PATM_ACTION_DO_V86_IRET 4 #define PATM_ACTION_LOG_IF1 5 #define PATM_ACTION_LOG_CLI 6 #define PATM_ACTION_LOG_STI 7 #define PATM_ACTION_LOG_POPF_IF1 8 #define PATM_ACTION_LOG_POPF_IF0 9 #define PATM_ACTION_LOG_PUSHF 10 #define PATM_ACTION_LOG_IRET 11 #define PATM_ACTION_LOG_RET 12 #define PATM_ACTION_LOG_CALL 13 #define PATM_ACTION_LOG_GATE_ENTRY 14 /* Magic dword found in ecx for patm pending actions. */ #define PATM_ACTION_MAGIC 0xABCD4321 /** PATM_TEMP_RESTORE_FLAGS */ #define PATM_RESTORE_EAX RT_BIT(0) #define PATM_RESTORE_ECX RT_BIT(1) #define PATM_RESTORE_EDI RT_BIT(2) typedef struct { uint8_t *pFunction; uint32_t offJump; uint32_t offRelJump; //used only by loop/loopz/loopnz uint32_t offSizeOverride; //size override byte position uint32_t size; uint32_t nrRelocs; uint32_t uReloc[1]; } PATCHASMRECORD, *PPATCHASMRECORD; /* For indirect calls/jump (identical in PATMA.h & PATMA.mac!) */ /** @note MUST BE A POWER OF TWO! */ /** @note direct calls have only one lookup slot (PATCHDIRECTJUMPTABLE_SIZE) */ /** @note Some statistics reveal that: * - call: Windows XP boot -> max 16, 127 replacements * - call: Knoppix 3.7 boot -> max 9 * - ret: Knoppix 5.0.1 boot -> max 16, 80000 replacements (3+ million hits) */ #define PATM_MAX_JUMPTABLE_ENTRIES 16 typedef struct { uint16_t nrSlots; uint16_t ulInsertPos; uint32_t cAddresses; struct { RTRCPTR pInstrGC; RTRCUINTPTR pRelPatchGC; /* relative to patch base */ } Slot[1]; } PATCHJUMPTABLE, *PPATCHJUMPTABLE; RT_C_DECLS_BEGIN extern PATCHASMRECORD PATMCliRecord; extern PATCHASMRECORD PATMStiRecord; extern PATCHASMRECORD PATMPopf32Record; extern PATCHASMRECORD PATMPopf16Record; extern PATCHASMRECORD PATMPopf16Record_NoExit; extern PATCHASMRECORD PATMPopf32Record_NoExit; extern PATCHASMRECORD PATMPushf32Record; extern PATCHASMRECORD PATMPushf16Record; extern PATCHASMRECORD PATMIretRecord; extern PATCHASMRECORD PATMCpuidRecord; extern PATCHASMRECORD PATMLoopRecord; extern PATCHASMRECORD PATMLoopZRecord; extern PATCHASMRECORD PATMLoopNZRecord; extern PATCHASMRECORD PATMJEcxRecord; extern PATCHASMRECORD PATMIntEntryRecord; extern PATCHASMRECORD PATMIntEntryRecordErrorCode; extern PATCHASMRECORD PATMTrapEntryRecord; extern PATCHASMRECORD PATMTrapEntryRecordErrorCode; extern PATCHASMRECORD PATMPushCSRecord; extern PATCHASMRECORD PATMCheckIFRecord; extern PATCHASMRECORD PATMJumpToGuest_IF1Record; extern PATCHASMRECORD PATMCallRecord; extern PATCHASMRECORD PATMCallIndirectRecord; extern PATCHASMRECORD PATMRetRecord; extern PATCHASMRECORD PATMJumpIndirectRecord; extern PATCHASMRECORD PATMLookupAndCallRecord; extern PATCHASMRECORD PATMRetFunctionRecord; extern PATCHASMRECORD PATMLookupAndJumpRecord; extern PATCHASMRECORD PATMIretFunctionRecord; extern PATCHASMRECORD PATMStatsRecord; extern PATCHASMRECORD PATMSetPIFRecord; extern PATCHASMRECORD PATMClearPIFRecord; extern PATCHASMRECORD PATMSetInhibitIRQRecord; extern PATCHASMRECORD PATMClearInhibitIRQFaultIF0Record; extern PATCHASMRECORD PATMClearInhibitIRQContIF0Record; extern PATCHASMRECORD PATMMovFromSSRecord; extern uint32_t PATMInterruptFlag; RT_C_DECLS_END #endif