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; $Id: PATMA.mac $
;; @file
; PATM macros & definitions (identical to PATMA.h!!)
;
;
; 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.
;
; hardcoded dependency on single byte int 3
%define PATM_INT3 int3
%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 */
%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 (4096)
%define PATM_STACK_TOTAL_SIZE (2*PATM_STACK_SIZE)
;/* 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
%define PATM_RESTORE_EAX RT_BIT(0)
%define PATM_RESTORE_ECX RT_BIT(1)
%define PATM_RESTORE_EDI RT_BIT(2)
;/* For indirect calls/jump (identical in PATMA.h & PATMA.mac!) */
%define PATM_MAX_JUMPTABLE_ENTRIES 16
struc PATCHJUMPTABLE
.nrSlots resw 1
.ulInsertPos resw 1
.cAddresses resd 1
; array of pInstrGC and pRelPatchGC pairs (nrSlot times)
.Slot_pInstrGC resd 1
.Slot_pRelPatchGC resd 1
endstruc
;/* Must match structure size!!
%define PATCHJUMPTABLE_SIZE (PATM_MAX_JUMPTABLE_ENTRIES*2*4)
;/* Direct calls need only one lookup slot */
%define PATCHDIRECTJUMPTABLE_SIZE (2*4)
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