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Add support for FP and XMM changeregonbp

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This commit is contained in:
Cheat Engine 2020-02-04 13:01:03 +01:00
parent 45c5434a14
commit 59aadfd08e
18 changed files with 442 additions and 118 deletions
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2
dbvm/.cproject
View File

@ -37,7 +37,7 @@
<targetPlatform archList="all" binaryParser="org.eclipse.cdt.core.GNU_ELF" id="cdt.managedbuild.target.gnu.platform.base.387108783" name="Debug Platform" osList="linux,hpux,aix,qnx" superClass="cdt.managedbuild.target.gnu.platform.base"/>
<builder arguments="" command="make" id="cdt.managedbuild.target.gnu.builder.base.1775951058" incrementalBuildTarget="install" keepEnvironmentInBuildfile="false" managedBuildOn="false" name="Gnu Make Builder" superClass="cdt.managedbuild.target.gnu.builder.base"/>
<builder arguments="efiusb" command="make" id="cdt.managedbuild.target.gnu.builder.base.1775951058" incrementalBuildTarget="install" keepEnvironmentInBuildfile="false" managedBuildOn="false" name="Gnu Make Builder" superClass="cdt.managedbuild.target.gnu.builder.base"/>
<tool id="cdt.managedbuild.tool.gnu.archiver.base.821420179" name="GCC Archiver" superClass="cdt.managedbuild.tool.gnu.archiver.base"/>

5
dbvm/vmm/Makefile
View File

@ -44,6 +44,7 @@ all:
@${CC} ${CFLAGS} exports.c -c -o exports.o
@${CC} ${CFLAGS} maps.c -c -o maps.o
@${CC} ${CFLAGS} list.c -c -o list.o
@${CC} ${CFLAGS} displaydebug.c -c -o displaydebug.o
@echo "part1"
ifneq ($(SERIALPORT), 0)
@ -57,9 +58,9 @@ ifneq ($(SERIALPORT), 0)
endif
ifeq ($(SERIALPORT),0)
@${LD} ${LDFLAGS} vmma.o main.o neward.o common.o commona.o apica.o vmmhelper.o multicore.o mm.o vmpaging.o vmevent_invalidstate.o vmeventhandler.o realmodeemu.o pmodeemu.o vmcall.o keyboard.o osspecific.o offloados.o ultimap.o pci.o apic.o test.o testa.o vmeventhandler_amd.o vmxemu.o vmxsetup.o epthandler.o exports.o vbe3.o vbe3a.o psod32.o maps.o list.o ./distorm64/wstring.o ./distorm64/x86defs.o ./distorm64/textdefs.o ./distorm64/insts.o ./distorm64/prefix.o ./distorm64/instructions.o ./distorm64/decoder.o ./distorm64/operands.o ./distorm64/distorm.o -o ../vmm.elf -Map ../vmm.map
@${LD} ${LDFLAGS} vmma.o main.o neward.o common.o commona.o apica.o vmmhelper.o multicore.o mm.o vmpaging.o vmevent_invalidstate.o vmeventhandler.o realmodeemu.o pmodeemu.o vmcall.o keyboard.o osspecific.o offloados.o ultimap.o pci.o apic.o test.o testa.o vmeventhandler_amd.o vmxemu.o vmxsetup.o epthandler.o exports.o vbe3.o vbe3a.o psod32.o maps.o list.o displaydebug.o ./distorm64/wstring.o ./distorm64/x86defs.o ./distorm64/textdefs.o ./distorm64/insts.o ./distorm64/prefix.o ./distorm64/instructions.o ./distorm64/decoder.o ./distorm64/operands.o ./distorm64/distorm.o -o ../vmm.elf -Map ../vmm.map
else
@${LD} ${LDFLAGS} vmma.o main.o neward.o common.o commona.o apica.o vmmhelper.o multicore.o mm.o vmpaging.o vmevent_invalidstate.o vmeventhandler.o realmodeemu.o pmodeemu.o vmcall.o keyboard.o osspecific.o offloados.o ultimap.o pci.o apic.o test.o testa.o vmeventhandler_amd.o vmxemu.o vmxsetup.o epthandler.o exports.o luahandler.o vbe3.o vbe3a.o psod32.o maps.o list.o ./distorm64/wstring.o ./distorm64/x86defs.o ./distorm64/textdefs.o ./distorm64/insts.o ./distorm64/prefix.o ./distorm64/instructions.o ./distorm64/decoder.o ./distorm64/operands.o ./distorm64/distorm.o ./lua/lapi.o ./lua/lobject.o ./lua/ldo.o ./lua/lgc.o ./lua/lstate.o ./lua/ldebug.o ./lua/ltm.o ./lua/lvm.o ./lua/ltable.o ./lua/lstring.o ./lua/lfunc.o ./lua/lzio.o ./lua/ldump.o ./lua/lmem.o ./lua/lundump.o ./lua/lparser.o ./lua/lopcodes.o ./lua/llex.o ./lua/lcode.o ./lua/lctype.o ./lua/lauxlib.o ./lua/lstrlib.o ./lua/linit.o ./lua/lbaselib.o -o ../vmm.elf -Map ../vmm.map
@${LD} ${LDFLAGS} vmma.o main.o neward.o common.o commona.o apica.o vmmhelper.o multicore.o mm.o vmpaging.o vmevent_invalidstate.o vmeventhandler.o realmodeemu.o pmodeemu.o vmcall.o keyboard.o osspecific.o offloados.o ultimap.o pci.o apic.o test.o testa.o vmeventhandler_amd.o vmxemu.o vmxsetup.o epthandler.o exports.o luahandler.o vbe3.o vbe3a.o psod32.o maps.o list.o displaydebug.o ./distorm64/wstring.o ./distorm64/x86defs.o ./distorm64/textdefs.o ./distorm64/insts.o ./distorm64/prefix.o ./distorm64/instructions.o ./distorm64/decoder.o ./distorm64/operands.o ./distorm64/distorm.o ./lua/lapi.o ./lua/lobject.o ./lua/ldo.o ./lua/lgc.o ./lua/lstate.o ./lua/ldebug.o ./lua/ltm.o ./lua/lvm.o ./lua/ltable.o ./lua/lstring.o ./lua/lfunc.o ./lua/lzio.o ./lua/ldump.o ./lua/lmem.o ./lua/lundump.o ./lua/lparser.o ./lua/lopcodes.o ./lua/llex.o ./lua/lcode.o ./lua/lctype.o ./lua/lauxlib.o ./lua/lstrlib.o ./lua/linit.o ./lua/lbaselib.o -o ../vmm.elf -Map ../vmm.map
endif
@objcopy -O binary ../vmm.elf ../vmm.bin
@echo "vmm done"

136
dbvm/vmm/common.c
View File

@ -8,6 +8,7 @@ multiple sources. (e.g vmm and vmloader)
#include "keyboard.h"
#include "main.h"
#include "mm.h"
#include "displaydebug.h"
//#include <ieee754.h>
@ -18,9 +19,14 @@ QWORD textmemory=0x0b8000;
criticalSection sendstringfCS;
criticalSection sendstringCS;
#if DISPLAYDEBUG==1
int linessincelastkey=0;
PStackList displaydebuglog_back, displaydebuglog_forward;
#endif
int screenheight=25;
@ -123,12 +129,14 @@ size_t strspn(const char *str, const char *chars)
void exit(int status)
{
sendstringf("Exited DBVM with status %d\n", status);
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
}
void abort(void)
{
sendstringf("Exited DBVM\n");
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
}
@ -878,22 +886,24 @@ int vbuildstring(char *str, int size, char *string, __builtin_va_list arglist)
void sendstring(char *s UNUSED)
{
#if DISPLAYDEBUG==1
displayline(s);
#endif
#ifdef DEBUG
int i;
#if DISPLAYDEBUG==1
displayline(s);
#else
if (nosendchar[getAPICID()])
return;
int i;
if (nosendchar[getAPICID()])
return;
csEnter(&sendstringCS);
csEnter(&sendstringCS);
for (i=0; s[i] ; i++)
sendchar(s[i]);
for (i=0; s[i] ; i++)
sendchar(s[i]);
csLeave(&sendstringCS);
csLeave(&sendstringCS);
#endif
#endif
}
@ -914,21 +924,21 @@ void sendstringf(char *string UNUSED, ...)
sl=vbuildstring(temps,200,string,arglist);
__builtin_va_end(arglist);
#if DISPLAYDEBUG==1
displayline(temps); //instead of sending the output to the serial port, output to the display
#else
csEnter(&sendstringfCS);
csEnter(&sendstringCS);
#if DISPLAYDEBUG==1
displayline(temps); //instead of sending the output to the serial port, output to the display
#else
csEnter(&sendstringfCS);
csEnter(&sendstringCS);
if (sl>0)
{
for (i=0; i<sl; i++)
sendchar(temps[i]);
}
if (sl>0)
{
for (i=0; i<sl; i++)
sendchar(temps[i]);
}
csLeave(&sendstringCS);
csLeave(&sendstringfCS);
#endif
csLeave(&sendstringCS);
csLeave(&sendstringfCS);
#endif
#endif
}
@ -1075,6 +1085,7 @@ void csLeave(PcriticalSection CS)
else
{
sendstringf("csLeave called for a non-locked or non-owned critical section\n");
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
}
}
@ -1752,54 +1763,57 @@ void nextline(void)
}
else
currentdisplayline++;
#if DISPLAYDEBUG==1
linessincelastkey++;
if (linessincelastkey>=screenheight-1)
//#if DISPLAYDEBUG==1
#if 0 //disabling this while testing uefi graphics boot (nokb)
{
unsigned char c;
int done=0;
displayline("Press space to continue");
while (done==0)
linessincelastkey++;
if (linessincelastkey>=screenheight-1)
{
c=kbd_getchar();
//displayline("(c=%x)", c);
switch (c)
unsigned char c;
int done=0;
displayline("Press space to continue");
while (done==0)
{
case 3: //page up
if (displaydebuglog_back->last)
movelinesdown();
//not yet implemented
break;
c=kbd_getchar();
case 4: //page down
if (displaydebuglog_forward->last)
movelinesup();
break;
//displayline("(c=%x)", c);
case 1: //home
while (displaydebuglog_back->last)
movelinesdown();
break;
case 2: //end (or default)
case ' ':
switch (c)
{
while (displaydebuglog_forward->last) //scroll to the end before continue
movelinesup();
case 3: //page up
if (displaydebuglog_back->last)
movelinesdown();
//not yet implemented
break;
case 4: //page down
if (displaydebuglog_forward->last)
movelinesup();
break;
case 1: //home
while (displaydebuglog_back->last)
movelinesdown();
break;
case 2: //end (or default)
case ' ':
{
while (displaydebuglog_forward->last) //scroll to the end before continue
movelinesup();
done=1;
}
done=1;
}
}
}
currentdisplayrow=0;
displayline(" ");
currentdisplayrow=0;
linessincelastkey=0;
currentdisplayrow=0;
displayline(" ");
currentdisplayrow=0;
linessincelastkey=0;
}
}
#endif
}

2
dbvm/vmm/common.h
View File

@ -21,6 +21,8 @@
#define CHECKAPICID
#endif
#define ULTIMAPDEBUG //for debugging ultimap (I seem to have misplaced my serial port...)
#define EXIT_FAILURE 0xffffffff

44
dbvm/vmm/epthandler.c
View File

@ -19,6 +19,7 @@
#include "maps.h"
#include "list.h"
#include "vmeventhandler.h"
#include "displaydebug.h"
QWORD EPTMapPhysicalMemory(pcpuinfo currentcpuinfo, QWORD physicalAddress, int forcesmallpage);
@ -660,6 +661,10 @@ int ept_cloak_removechangeregonbp(QWORD physicalAddress)
unsigned char *executable=(unsigned char *)ChangeRegBPList[i].cloakdata->Executable;
executable[physicalAddress & 0xfff]=ChangeRegBPList[i].originalbyte;
ChangeRegBPList[i].Active=0;
/* _wbinvd();
vpid_invalidate();
ept_invalidate();*/
result=0;
}
}
@ -670,7 +675,7 @@ int ept_cloak_removechangeregonbp(QWORD physicalAddress)
return result;
}
BOOL ept_handleSoftwareBreakpoint(pcpuinfo currentcpuinfo, VMRegisters *vmregisters)
BOOL ept_handleSoftwareBreakpoint(pcpuinfo currentcpuinfo, VMRegisters *vmregisters, FXSAVE64 *fxsave)
{
//check if it is a cloaked instruction
int i;
@ -718,6 +723,42 @@ BOOL ept_handleSoftwareBreakpoint(pcpuinfo currentcpuinfo, VMRegisters *vmregist
if (ChangeRegBPList[i].changereginfo.Flags.changeR14) vmregisters->r14=ChangeRegBPList[i].changereginfo.newR14;
if (ChangeRegBPList[i].changereginfo.Flags.changeR15) vmregisters->r15=ChangeRegBPList[i].changereginfo.newR15;
if (ChangeRegBPList[i].changereginfo.changeFP)
{
int r;
for (r=0; r<8; r++)
if (ChangeRegBPList[i].changereginfo.changeFP & (1<<r))
{
copymem((void*)((QWORD)(&fxsave->FP_MM0)+10*r), (void*)((QWORD)(&fxsave->FP_MM0)+10*r),10);
}
}
if (ChangeRegBPList[i].changereginfo.changeXMM)
{
int r;
for (r=0; r<15; r++)
{
BYTE mask=(ChangeRegBPList[i].changereginfo.changeXMM >> (4*r)) & 0xf;
if (mask)
{
DWORD *destparts=(DWORD *)((QWORD)(&fxsave->XMM0)+16*r);
DWORD *sourceparts=(DWORD *)((QWORD)(&ChangeRegBPList[i].changereginfo.newXMM0)+16*r);
int p;
for (p=0; p<4; p++)
{
if (mask & (1 << p))
destparts[p]=sourceparts[p];
}
}
}
}
RFLAGS flags;
flags.value=vmread(vm_guest_rflags);
if (ChangeRegBPList[i].changereginfo.Flags.changeCF) flags.CF=ChangeRegBPList[i].changereginfo.Flags.newCF;
@ -2143,6 +2184,7 @@ QWORD EPTMapPhysicalMemory(pcpuinfo currentcpuinfo, QWORD physicalAddress, int f
if (!fullmap)
{
sendstring("Assertion Fail: fullmap is false for a 1 page range");
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
}

2
dbvm/vmm/epthandler.h
View File

@ -54,7 +54,7 @@ int ept_cloak_readOriginal(pcpuinfo currentcpuinfo, VMRegisters *registers, QWOR
int ept_cloak_writeOriginal(pcpuinfo currentcpuinfo, VMRegisters *registers, QWORD physicalAddress, QWORD source);
int ept_cloak_changeregonbp(QWORD physicalAddress, PCHANGEREGONBPINFO changereginfo);
int ept_cloak_removechangeregonbp(QWORD physicalAddress);
BOOL ept_handleSoftwareBreakpoint(pcpuinfo currentcpuinfo, VMRegisters *vmregisters);
BOOL ept_handleSoftwareBreakpoint(pcpuinfo currentcpuinfo, VMRegisters *vmregisters, FXSAVE64 *fxsave);
void ept_reset();
void ept_invalidate();

3
dbvm/vmm/list.c
View File

@ -9,7 +9,7 @@
*/
#include "list.h"
#include "displaydebug.h"
int addresslist_findclosestIndex(PAddressList l, QWORD address) //internal function for add
@ -61,6 +61,7 @@ void addresslist_add(PAddressList l, QWORD address, void *data)
if (l->list[s].address == address)
{
//error, already in the list
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
}

74
dbvm/vmm/main.c
View File

@ -9,6 +9,7 @@
#include "mm.h"
#include "neward.h"
#include "apic.h"
#include "displaydebug.h"
#include "multicore.h"
#include "inthandlers.h"
@ -32,6 +33,7 @@
#include "luahandler.h"
//#include "psod.h" //for pink screen of death support
/*
@ -122,9 +124,12 @@ int cinthandler(unsigned long long *stack, int intnr) //todo: move to it's own s
sendstringfCS.ignorelock=1;
#endif
ddDrawRectangle(DDHorizontalResolution-100,0,100,100,_rdtsc());
if (readMSRSafe(IA32_FS_BASE_MSR)==0)
{
sendstringf("Invalid FS base during exception\n");
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1) ;
}
@ -248,6 +253,7 @@ int cinthandler(unsigned long long *stack, int intnr) //todo: move to it's own s
cpuinfo->NMIOccured=2;
}
*/
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
return 0;
}
@ -263,6 +269,7 @@ int cinthandler(unsigned long long *stack, int intnr) //todo: move to it's own s
longjmp(cpuinfo->OnException, 0x100 | intnr);
sendstringf("longjmp just went through...\n");
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
}
@ -299,6 +306,8 @@ int cinthandler(unsigned long long *stack, int intnr) //todo: move to it's own s
}
sendstring("not expected\n\r");
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
sendstring("Status:\n\r");
@ -483,6 +492,7 @@ void setints(void)
if (intvector==NULL)
{
sendstring("setints was called too early");
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while(1);
}
@ -768,6 +778,8 @@ void vmm_entry2_hlt(pcpuinfo currentcpuinfo)
while (1)
{
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
if (currentcpuinfo)
currentcpuinfo->active=0;
a=1;
@ -1085,6 +1097,7 @@ void vmm_entry(void)
if (original->cpucount>1000)
{
sendstringf("More than 1000 cpu\'s are currently not supported\n");
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
}
@ -1094,7 +1107,61 @@ void vmm_entry(void)
foundcpus=original->cpucount;
APStartsInSIPI=0; //AP should start according to the original state
}
if (original->FrameBufferBase)
{
DDFrameBufferBase=original->FrameBufferBase;
DDFrameBufferSize=original->FrameBufferSize;
DDHorizontalResolution=original->HorizontalResolution;
DDVerticalResolution=original->VerticalResolution;
DDPixelsPerScanLine=original->PixelsPerScanLine;
if (DDFrameBufferBase)
{
char c=0;
/* sendstring("Before mapping of the framebuffer\n");
while (c==0)
{
c=waitforchar();
}
sendstring("Mapping framebuffer\n");*/
//DDFrameBuffer=mapPhysicalMemoryGlobal(0x90000000, 8294400);
//DDFrameBuffer=(unsigned char *)mapPhysicalMemory(0x90000000, 8294400);
DDFrameBuffer=(unsigned char *)mapPhysicalMemoryGlobal(DDFrameBufferBase, DDFrameBufferSize);
if (DDFrameBuffer==NULL)
{
sendstring("Failure mapping memory");
}
else
{
/* SetPageToWriteThrough(DDFrameBuffer);*/
ddDrawRectangle(0,0,DDHorizontalResolution, DDVerticalResolution,0x00ff00);
/* ddDrawRectangle(0,0,100,100,0xff00ff);
ddDrawRectangle(DDHorizontalResolution-100,0,100,100,0xff0000);
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0x0000ff);
ddDrawRectangle(DDHorizontalResolution-100,DDVerticalResolution-100,100,100,0xffffff);*/
/*
unsigned int pi;
for (pi=0; pi<DDFrameBufferSize; pi++)
{
DDFrameBuffer[pi]=0x30; //*(unsigned char *)((QWORD)0x00400000+(QWORD)pi);
}*/
}
}
}
//while (1) ;
unmapPhysicalMemory(original, sizeof(OriginalState));
}
if (needtospawnApplicationProcessors) //e.g UEFI boot with missing mpsupport
@ -1168,6 +1235,7 @@ void vmm_entry(void)
if (GDT_BASE==NULL)
{
sendstring("Memory allocation failed\n");
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1) ;
}
@ -2743,6 +2811,7 @@ void startvmx(pcpuinfo currentcpuinfo)
if (currentcpuinfo->vmxon_region==NULL)
{
sendstringf(">>>>>>>>>>>>>>>>>>>>vmxon allocation has failed<<<<<<<<<<<<<<<<<<<<<<<<<<\n");
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
}
@ -2756,6 +2825,7 @@ void startvmx(pcpuinfo currentcpuinfo)
if (currentcpuinfo->vmcs_region==NULL)
{
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
sendstringf(">>>>>>>>>>>>>>>>>>>>vmcs_region allocation has failed<<<<<<<<<<<<<<<<<<<<<<<<<<\n");
while (1);
}
@ -2819,6 +2889,8 @@ void startvmx(pcpuinfo currentcpuinfo)
launchVMX(currentcpuinfo);
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
displayline("Exit from launchVMX, if you see this, something horrible has happened\n");
sendstring("Exit from launchVMX\n\r");
@ -2885,6 +2957,8 @@ void startvmx(pcpuinfo currentcpuinfo)
sendstringf("End of startvmx (entryrsp=%6, returnrsp=%6)\n\r",entryrsp,getRSP());
#endif
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0x00ffff);
if (currentcpuinfo->cpunr==0)
displayline("bye...\n");
}

6
dbvm/vmm/mkx
View File

@ -18,11 +18,11 @@ $(shell mkdir -p $(DEPDIR) >/dev/null)
#CFILES=main.o neward.o common.o vmmhelper.o multicore.o mm.o vmpaging.o vmevent_invalidstate.o vmeventhandler.o realmodeemu.o pmodeemu.o vmcall.o keyboard.o osspecific.o offloados.o ultimap.o pci.o apic.o test.o vmeventhandler_amd.o vmxemu.o vmxsetup.o epthandler.o exports.o vbe3.o
ifeq ($(SERIALPORT),0)
FILES=vmma.o main.o neward.o common.o commona.o apica.o vmmhelper.o multicore.o mm.o vmpaging.o vmevent_invalidstate.o vmeventhandler.o realmodeemu.o pmodeemu.o vmcall.o keyboard.o osspecific.o offloados.o ultimap.o pci.o apic.o test.o testa.o vmeventhandler_amd.o vmxemu.o vmxsetup.o epthandler.o exports.o vbe3.o vbe3a.o psod32.o maps.o list.o
FILES=vmma.o main.o neward.o common.o commona.o apica.o vmmhelper.o multicore.o mm.o vmpaging.o vmevent_invalidstate.o vmeventhandler.o realmodeemu.o pmodeemu.o vmcall.o keyboard.o osspecific.o offloados.o ultimap.o pci.o apic.o test.o testa.o vmeventhandler_amd.o vmxemu.o vmxsetup.o epthandler.o exports.o vbe3.o vbe3a.o psod32.o maps.o list.o displaydebug.o
LUAFILES=
else
FILES=vmma.o main.o neward.o common.o commona.o apica.o vmmhelper.o multicore.o mm.o vmpaging.o vmevent_invalidstate.o vmeventhandler.o realmodeemu.o pmodeemu.o vmcall.o keyboard.o osspecific.o offloados.o ultimap.o pci.o apic.o test.o testa.o vmeventhandler_amd.o vmxemu.o vmxsetup.o epthandler.o exports.o luahandler.o vbe3.o vbe3a.o psod32.o maps.o list.o
FILES=vmma.o main.o neward.o common.o commona.o apica.o vmmhelper.o multicore.o mm.o vmpaging.o vmevent_invalidstate.o vmeventhandler.o realmodeemu.o pmodeemu.o vmcall.o keyboard.o osspecific.o offloados.o ultimap.o pci.o apic.o test.o testa.o vmeventhandler_amd.o vmxemu.o vmxsetup.o epthandler.o exports.o luahandler.o vbe3.o vbe3a.o psod32.o maps.o list.o displaydebug.o
LUAFILES=./lua/lapi.o ./lua/lobject.o ./lua/ldo.o ./lua/lgc.o ./lua/lstate.o ./lua/ldebug.o ./lua/ltm.o ./lua/lvm.o ./lua/ltable.o ./lua/lstring.o ./lua/lfunc.o ./lua/lzio.o ./lua/ldump.o ./lua/lmem.o ./lua/lundump.o ./lua/lparser.o ./lua/lopcodes.o ./lua/llex.o ./lua/lcode.o ./lua/lctype.o ./lua/lauxlib.o ./lua/lstrlib.o ./lua/linit.o ./lua/lbaselib.o
endif
@ -72,7 +72,7 @@ all: $(FILES) $(DISTORMFILES) $(LUAFILES)
@${LD} ${LDFLAGS} $(FILES) $(DISTORMFILES) $(LUAFILES) -o ../vmm.elf -Map ../vmm.map
@objcopy -O binary ../vmm.elf ../vmm.bin
@echo "vmm done"
clean:
@make -C distorm64 clean
@make -C lua/src clean

10
dbvm/vmm/mm.c
View File

@ -10,6 +10,7 @@ Just used for basic initialization allocation, frees shouldn't happen too often
#include "multicore.h"
#include "common.h"
#include "vmmhelper.h"
#include "displaydebug.h"
//#define sendstringf(s,x...)
//#define sendstring(s)
@ -359,7 +360,7 @@ int mmFindMapPositionForSize(pcpuinfo cpuinfo, int size)
j++;
if (j>=1024)
break; //not enough space left
return -1;
}
if (needed==0)
@ -585,6 +586,7 @@ void unmapPhysicalMemoryGlobal(void *virtualaddress, int size)
else
{
sendstringf("invalid global address (%6) given to unmapPhysicalMemoryGlobal\n",virtualaddress);
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
}
@ -608,6 +610,7 @@ void unmapPhysicalMemory(void *virtualaddress, int size)
if ((pos<0) || (pos>1024))
{
sendstringf("%d: invalid address given to unmapPhysicalMemory (%6)\n",c->cpunr, virtualaddress);
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
}
@ -743,6 +746,7 @@ void *addPhysicalPageToDBVM(QWORD address)
if (pagetableentry->P)
{
sendstringf("Assertion failure. Virtual address %6 was already present\n", VirtualAddress);
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
}
@ -974,6 +978,8 @@ void *malloc2(unsigned int size)
}
sendstring("OUT OF MEMORY\n");
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1)
jtagbp();
@ -1117,6 +1123,7 @@ void *realloc(void *old, size_t size)
else
{
sendstringf("realloc error\n");
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1) ;
}
}
@ -1227,6 +1234,7 @@ void InitializeMM(UINT64 FirstFreeVirtualAddress)
if (pagedirlvl4[pml4index].P) //pml4index should be 511
{
sendstring("Assertion failed. pagedirlvl4[pml4index].P is not 0. It should be\n");
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
}
*(QWORD*)(&pagedirlvl4[pml4index])=getCR3();

7
dbvm/vmm/offloados.h
View File

@ -68,7 +68,12 @@ typedef struct
UINT64 fsbase;
UINT64 gsbase;
UINT64 APEntryPage; //page below 1MB (for AP cpu bootcode)
UINT64 Uncached; //physical address holding a map detailing which regions are uncached (for EPT) (sorted)
UINT64 FrameBufferBase; //in case of uefi boot the framebuffer address for output
UINT64 FrameBufferSize;
UINT64 HorizontalResolution;
UINT64 VerticalResolution;
UINT64 PixelsPerScanLine;
UINT64 PixelFormat;
} __attribute__((__packed__)) OriginalState, *POriginalState;

75
dbvm/vmm/vmcall.c
View File

@ -16,6 +16,8 @@
#include "psod32.h"
#include "eptstructs.h"
#include "epthandler.h"
#include "displaydebug.h"
//#pragma GCC push_options
//#pragma GCC optimize ("O0")
@ -1574,6 +1576,77 @@ int _handleVMCallInstruction(pcpuinfo currentcpuinfo, VMRegisters *vmregisters,
break;
}
/*
case VMCALL_CLOAKEX_ACTIVATE:
{
//same as cloak but lets you specify a small section of the page
if (hasEPTsupport)
vmregisters->rax=ept_cloakex_activate(((PVMCALL_CLOAKEX_ACTIVATE_PARAM)vmcall_instruction)->physicalAddress,
((PVMCALL_CLOAKEX_ACTIVATE_PARAM)vmcall_instruction)->size);
else
vmregisters->rax=0xcedead;
break;
}
case VMCALL_CLOAK_ADDTOWHITELIST:
{
//whitelists a CR3 and/or RIP (
if (hasEPTsupport)
vmregisters->rax=ept_cloak_addtowhitelist(((PVMCALL_CLOAKEX_ACTIVATE_PARAM)vmcall_instruction)->physicalAddress,
((PVMCALL_CLOAK_WHITELIST)vmcall_instruction)->CR3,
((PVMCALL_CLOAK_WHITELIST)vmcall_instruction)->RIP);
else
vmregisters->rax=0xcedead;
break;
}
case VMCALL_CLOAK_REMOVEFROMWHITELIST:
{
if (hasEPTsupport)
vmregisters->rax=ept_cloak_removefromwhitelist(((PVMCALL_CLOAKEX_ACTIVATE_PARAM)vmcall_instruction)->physicalAddress,
((PVMCALL_CLOAK_WHITELIST)vmcall_instruction)->CR3,
((PVMCALL_CLOAK_WHITELIST)vmcall_instruction)->RIP);
else
vmregisters->rax=0xcedead;
break;
}
case VMCALL_CLOAK_STARTACCESSWATCH:
{
if (hasEPTsupport)
vmregisters->rax=ept_cloak_startaccesswatch(((PVMCALL_CLOAKEX_ACTIVATE_PARAM)vmcall_instruction)->physicalAddress,
((PVMCALL_CLOAKEX_ACTIVATE_PARAM)vmcall_instruction)->maxcount);
else
vmregisters->rax=0xcedead;
break;
}
case VMCALL_CLOAK_FETCHACCESSWATCHRESULTS:
{
//returns a list of CR3 and RIP's and if they read or write, or both
if (hasEPTsupport)
vmregisters->rax=ept_cloak_fetchaccesswatchresults(((PVMCALL_CLOAKEX_ACTIVATE_PARAM)vmcall_instruction)->physicalAddress);
else
vmregisters->rax=0xcedead;
break;
}
case VMCALL_CLOAK_STOPACCESSWATCH:
{
if (hasEPTsupport)
vmregisters->rax=ept_cloak_stopaccesswatch(((PVMCALL_CLOAKEX_ACTIVATE_PARAM)vmcall_instruction)->physicalAddress);
else
vmregisters->rax=0xcedead;
break;
}*/
case VMCALL_CLOAK_DEACTIVATE:
{
if (hasEPTsupport)
@ -1949,6 +2022,7 @@ int _handleVMCall(pcpuinfo currentcpuinfo, VMRegisters *vmregisters)
int r=handleRealModeInt0x15(currentcpuinfo, vmregisters, vmread(vm_exit_instructionlength));
sendstringf("handleRealModeInt0x15 returned %d (should be 0)\n",r);
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
if (r)
{
while (1);
@ -2083,6 +2157,7 @@ int handleVMCall(pcpuinfo currentcpuinfo, VMRegisters *vmregisters)
except
{
sendstringf("no jtag available\n");
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
}
tryend

52
dbvm/vmm/vmcallstructs.h
View File

@ -127,6 +127,8 @@ typedef struct
unsigned reserved : 3;
} Flags;
QWORD changeXMM; //16 nibbles, each bit is one dword
QWORD changeFP;
QWORD newRAX;
QWORD newRBX;
QWORD newRCX;
@ -144,6 +146,56 @@ typedef struct
QWORD newR13;
QWORD newR14;
QWORD newR15;
QWORD newFP0;
QWORD newFP0_H;
QWORD newFP1;
QWORD newFP1_H;
QWORD newFP2;
QWORD newFP2_H;
QWORD newFP3;
QWORD newFP3_H;
QWORD newFP4;
QWORD newFP4_H;
QWORD newFP5;
QWORD newFP5_H;
QWORD newFP6;
QWORD newFP6_H;
QWORD newFP7;
QWORD newFP7_H;
QWORD newXMM0;
QWORD newXMM0_H;
QWORD newXMM1;
QWORD newXMM1_H;
QWORD newXMM2;
QWORD newXMM2_H;
QWORD newXMM3;
QWORD newXMM3_H;
QWORD newXMM4;
QWORD newXMM4_H;
QWORD newXMM5;
QWORD newXMM5_H;
QWORD newXMM6;
QWORD newXMM6_H;
QWORD newXMM7;
QWORD newXMM7_H;
QWORD newXMM8;
QWORD newXMM8_H;
QWORD newXMM9;
QWORD newXMM9_H;
QWORD newXMM10;
QWORD newXMM10_H;
QWORD newXMM11;
QWORD newXMM11_H;
QWORD newXMM12;
QWORD newXMM12_H;
QWORD newXMM13;
QWORD newXMM13_H;
QWORD newXMM14;
QWORD newXMM14_H;
QWORD newXMM15;
QWORD newXMM15_H;
} __attribute__((__packed__)) CHANGEREGONBPINFO, *PCHANGEREGONBPINFO;
typedef struct

48
dbvm/vmm/vmeventhandler.c
View File

@ -21,6 +21,7 @@ vmeventhandler.c: This will handle the events
#include "vmxemu.h"
#include "epthandler.h"
#include "vmxsetup.h"
#include "displaydebug.h"
#ifndef DEBUG
@ -717,6 +718,8 @@ int handle_cr3_callback(pcpuinfo currentcpuinfo,VMRegisters *vmregisters)
nosendchar[getAPICID()]=0;
sendstringf("Handling cr3 edit. Is %x wants to set it to %x:\n\r", vmread(0x6802), currentcpuinfo->guestCR3);
sendstring("Also, currently not implemented so no idea how this happened\n\r");
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
@ -2246,6 +2249,7 @@ int setVM_CR0(pcpuinfo currentcpuinfo, UINT64 newcr0)
{
nosendchar[getAPICID()]=0;
sendstringf("IF is not 0 when switching to protected mode\n\r");
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
}
@ -3426,7 +3430,13 @@ int handleInterruptProtectedMode(pcpuinfo currentcpuinfo, VMRegisters *vmregiste
sendvmstate(currentcpuinfo, vmregisters);
displayPreviousStates();
ShowCurrentInstructions(currentcpuinfo);
while (1) ;
while (1)
{
ddDrawRectangle(0,DDVerticalResolution-100,100,100,_rdtsc() & 0xffffff);
}
}
@ -3564,13 +3574,13 @@ int handleInterruptProtectedMode(pcpuinfo currentcpuinfo, VMRegisters *vmregiste
return 0;
}
BOOL handleSoftwareBreakpoint(pcpuinfo currentcpuinfo, VMRegisters *vmregisters)
BOOL handleSoftwareBreakpoint(pcpuinfo currentcpuinfo, VMRegisters *vmregisters, FXSAVE64 *fxsave)
{
//handle software breakpoints
sendstringf("Software breakpoint\n");
if (hasEPTsupport)
{
if (ept_handleSoftwareBreakpoint(currentcpuinfo, vmregisters))
if (ept_handleSoftwareBreakpoint(currentcpuinfo, vmregisters, fxsave))
return TRUE;
}
@ -3580,7 +3590,7 @@ BOOL handleSoftwareBreakpoint(pcpuinfo currentcpuinfo, VMRegisters *vmregisters)
return FALSE; //unhandled
}
VMSTATUS handleInterrupt(pcpuinfo currentcpuinfo, VMRegisters *vmregisters) //nightmare function. Needs rewrite
VMSTATUS handleInterrupt(pcpuinfo currentcpuinfo, VMRegisters *vmregisters, FXSAVE64 *fxsave) //nightmare function. Needs rewrite
{
// int origsc;
@ -3597,7 +3607,7 @@ VMSTATUS handleInterrupt(pcpuinfo currentcpuinfo, VMRegisters *vmregisters) //ni
if ((intinfo.interruptvector==3) && (intinfo.type==itSoftwareException))
{
if (handleSoftwareBreakpoint(currentcpuinfo, vmregisters))
if (handleSoftwareBreakpoint(currentcpuinfo, vmregisters, fxsave))
return VM_OK;
}
@ -3688,6 +3698,7 @@ int handleSingleStep(pcpuinfo currentcpuinfo)
if (r)
{
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
}
@ -3835,13 +3846,14 @@ int handleVMEvent(pcpuinfo currentcpuinfo, VMRegisters *vmregisters, FXSAVE64 *f
ept_invalidate(); //test
*/
switch (exit_reason) //exit reason
{
case 0: //interrupt
{
int result;
result=handleInterrupt(currentcpuinfo, vmregisters);
result=handleInterrupt(currentcpuinfo, vmregisters, fxsave);
return result;
}
@ -3880,6 +3892,7 @@ int handleVMEvent(pcpuinfo currentcpuinfo, VMRegisters *vmregisters, FXSAVE64 *f
case 2: //tripple fault
{
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
sendstring("A TRIPPLE FAULT HAPPENED. NORMALLY THE SYSTEM WOULD REBOOT NOW\n\r");
return 1;
}
@ -3927,6 +3940,7 @@ int handleVMEvent(pcpuinfo currentcpuinfo, VMRegisters *vmregisters, FXSAVE64 *f
sendstringf("vm_execution_controls_cpu=%6\n", vmread(vm_execution_controls_cpu));
#ifndef DEBUG
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
#endif
}
@ -3946,7 +3960,11 @@ int handleVMEvent(pcpuinfo currentcpuinfo, VMRegisters *vmregisters, FXSAVE64 *f
}
case 9:
{
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
return handleTaskswitch(currentcpuinfo, vmregisters);
}
case 10: //CPUID
{
@ -3958,6 +3976,9 @@ int handleVMEvent(pcpuinfo currentcpuinfo, VMRegisters *vmregisters, FXSAVE64 *f
case 11:
{
//currently not supported
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
sendstring("GETSEC\n\r");
raiseInvalidOpcodeException(currentcpuinfo);
return 0;
@ -4039,6 +4060,9 @@ int handleVMEvent(pcpuinfo currentcpuinfo, VMRegisters *vmregisters, FXSAVE64 *f
case 0xce00: //special exit reasons (vmresume/vmlaunch failures)
case 0xce01:
{
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
sendstring("VMX instruction called...\n\r");
return handleIntelVMXInstruction(currentcpuinfo, vmregisters);
//return raiseInvalidOpcodeException(currentcpuinfo);
@ -4088,6 +4112,7 @@ int handleVMEvent(pcpuinfo currentcpuinfo, VMRegisters *vmregisters, FXSAVE64 *f
case 33: //inv. guest
{
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
sendstringf("VM-Entry failure due to invalid guest\n\r");
result=handleInvalidEntryState(currentcpuinfo, vmregisters);
@ -4122,6 +4147,7 @@ int handleVMEvent(pcpuinfo currentcpuinfo, VMRegisters *vmregisters, FXSAVE64 *f
sendstring("(Un)expected monitor trap flag\n\r");
#ifndef DEBUG
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1) ;
#else
return 0;
@ -4233,11 +4259,15 @@ int handleVMEvent(pcpuinfo currentcpuinfo, VMRegisters *vmregisters, FXSAVE64 *f
case vm_exit_vmx_preemptiontimer_reachedzero:
{
IA32_VMX_MISC.IA32_VMX_MISC=readMSR(0x485);
//IA32_VMX_MISC.IA32_VMX_MISC=readMSR(0x485);
nosendchar[getAPICID()]=0;
//sendstringf("%d: %x:%6 (vmm rsp=%6 , freemem=%x)\n", currentcpuinfo->cpunr, vmread(vm_guest_cs),vmread(vm_guest_rip), getRSP(), maxAllocatableMemory());
vmwrite(vm_preemption_timer_value,IA32_VMX_MISC.vmx_premption_timer_tsc_relation*10000000);
vmwrite(vm_preemption_timer_value,10000);
ddDrawRectangle(0,0,100,100,_rdtsc());
return 0;
}
@ -4247,6 +4277,7 @@ int handleVMEvent(pcpuinfo currentcpuinfo, VMRegisters *vmregisters, FXSAVE64 *f
return handleIntelVMXInstruction(currentcpuinfo, vmregisters);
#ifdef DEBUG
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
#endif
// return 1;
@ -4254,6 +4285,7 @@ int handleVMEvent(pcpuinfo currentcpuinfo, VMRegisters *vmregisters, FXSAVE64 *f
case vm_exit_invpcid:
{
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while(1);
return 1;
}

32
dbvm/vmm/vmma.asm
View File

@ -523,11 +523,6 @@ sub rsp,15*8
mov [rsp+14*8],rax
mov [rsp+11*8],rdx
rdtsc
mov dword [fs:0x18],eax ;lasttsc
mov dword [fs:0x1c],edx
mov [rsp],r15
mov [rsp+1*8],r14
@ -606,22 +601,6 @@ jae vmxloop_exitvm
;returned 0, so
;adjust the TSC
rdtsc ;current time
shl rdx,32
or rax,rdx
mov rdx,qword [fs:0x18] ;entry time
;rax is new timestamp
;rdx is old timestamp
sub rax,rdx ;rax is now the difference
add rax,100
add qword [fs:0x20],rax ;add to the total delay
;restore vmx registers (esp-36)
pop r15
pop r14
@ -646,10 +625,6 @@ vmresume
;restore state of vmm
%ifdef JTAG
db 0xf1 ;jtag breakpoint
%endif
pop r15
pop r14
pop r13
@ -689,9 +664,6 @@ pop rax
vmlaunch
%ifdef JTAG
db 0xf1 ;jtag breakpoint
%endif
;never executed unless on error
;restore state of vmm
@ -717,9 +689,7 @@ pop rbx
pop rax
vmresume
%ifdef JTAG
db 0xf1 ;jtag breakpoint
%endif
;never executed unless on error
mov dword [fs:0x10],0xce00 ;exitreason 0xce00

37
dbvm/vmm/vmmhelper.c
View File

@ -25,6 +25,8 @@
#include "exports.h"
#include "luahandler.h"
#include "displaydebug.h"
#ifndef DEBUG
#define sendstringf(s,x...)
#define sendstring(s)
@ -760,6 +762,7 @@ int vmexit2(pcpuinfo currentcpuinfo, UINT64 *registers, void *fxsave)
#else
int showlife=0;
int vmexit(pcpuinfo currentcpuinfo, UINT64 *registers, void *fxsave)
#endif
@ -774,6 +777,14 @@ int vmexit(pcpuinfo currentcpuinfo, UINT64 *registers, void *fxsave)
lastexitsindex++;
lastexitsindex=lastexitsindex % 10;
// if ((showlife % 2)==0)
{
ddDrawRectangle(0,DDVerticalResolution-10,10,10,0x0000ff);
}
#ifdef CHECKAPICID
if (currentcpuinfo)
{
@ -798,7 +809,10 @@ int vmexit(pcpuinfo currentcpuinfo, UINT64 *registers, void *fxsave)
{
BOOL r=dbvm_plugin_exit_pre(exportlist, currentcpuinfo, registers, fxsave);
if (r)
{
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
return 0;
}
}
@ -807,6 +821,8 @@ int vmexit(pcpuinfo currentcpuinfo, UINT64 *registers, void *fxsave)
nosendchar[getAPICID()]=0;
sendstringf("currentcpuinfo==NULL");
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
}
@ -818,6 +834,8 @@ int vmexit(pcpuinfo currentcpuinfo, UINT64 *registers, void *fxsave)
if (dbvm_plugin_exit_post)
dbvm_plugin_exit_post(exportlist, currentcpuinfo, registers, fxsave, &r);
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
return r;
}
@ -888,6 +906,8 @@ int vmexit(pcpuinfo currentcpuinfo, UINT64 *registers, void *fxsave)
if (currentcpuinfo->NMIOccured==2) //nmi occured but no NMI window support
{
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0x0000ff);
currentcpuinfo->NMIOccured=0;
return raiseNMI();
}
@ -895,8 +915,17 @@ int vmexit(pcpuinfo currentcpuinfo, UINT64 *registers, void *fxsave)
//currentcpuinfo->lastTSCTouch=_rdtsc();
//if ((showlife % 2)==0)
{
ddDrawRectangle(0,DDVerticalResolution-10,10,10,0x00ff00);
}
showlife++;
if ((result!=0) && ((result >> 8) != 0xce) )//on release, if an unexpected event happens, just fail the instruction and hope the OS won't make a too big mess out of it
{
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (wait) ; //remove for release
if ((vmread(vm_exit_reason) & 0x7fffffff)==vm_exit_invalid_guest_state) //invalid state
@ -905,7 +934,15 @@ int vmexit(pcpuinfo currentcpuinfo, UINT64 *registers, void *fxsave)
return raiseInvalidOpcodeException(currentcpuinfo);
}
else
{
if (result)
{
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
}
return result;
}
#else
//nosendchar[getAPICID()]=0;

13
dbvm/vmm/vmxemu.c
View File

@ -17,6 +17,7 @@
#include "vmeventhandler.h"
#include "vmcall.h"
#include "mm.h"
#include "displaydebug.h"
int emulatevmx=1;
@ -100,12 +101,14 @@ int handleByGuest(pcpuinfo currentcpuinfo, VMRegisters *vmregisters)
if (currentcpuinfo->vmxdata.runningvmx==0)
{
sendstringf("handleByGuest was called while runningvmx is 0");
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
}
else
if (currentcpuinfo->vmxdata.insideVMXRootMode==0)
{
sendstringf("runningvmx but insideVMXRootMode is 0\n");
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
}
@ -114,6 +117,7 @@ int handleByGuest(pcpuinfo currentcpuinfo, VMRegisters *vmregisters)
if (ptrld)
{
sendstringf("failure loading the vmcs_regionPA\n");
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while(1);
}
@ -178,12 +182,14 @@ int handleByGuest(pcpuinfo currentcpuinfo, VMRegisters *vmregisters)
{
nosendchar[getAPICID()]=0;
sendstring("For some messed up reason the gdt is paged out...");
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
}
if (error)
{
sendstring("OK, WTF is going on here!");
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
}
@ -227,6 +233,7 @@ int handleByGuest(pcpuinfo currentcpuinfo, VMRegisters *vmregisters)
sendvmstate(currentcpuinfo, vmregisters);
sendstringf("vm_guest_cr3(%6) does not match currentcpuinfo->vmxdata.originalhoststate.CR3(%6)\n",vmread(vm_guest_cr3),currentcpuinfo->vmxdata.originalhoststate.CR3 );
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
}
@ -458,6 +465,7 @@ int handle_vmclear(pcpuinfo currentcpuinfo, VMRegisters *vmregisters)
else
{
sendstring("Failure restoring guest vmx hoststate");
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
}
@ -534,6 +542,7 @@ int handle_vmlaunch(pcpuinfo currentcpuinfo, VMRegisters *vmregisters UNUSED)
if (currentcpuinfo->vmxdata.runningvmx)
{
sendstring("Assertion failed. runningvmx was not 0\n");
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
}
@ -577,6 +586,7 @@ int handle_vmresume(pcpuinfo currentcpuinfo, VMRegisters *vmregisters UNUSED)
if (currentcpuinfo->vmxdata.runningvmx)
{
sendstring("Assertion failed. runningvmx was not 0\n");
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
}
@ -1143,6 +1153,7 @@ int handle_vmptrld(pcpuinfo currentcpuinfo, VMRegisters *vmregisters)
if (r)
{
sendstringf("restore: vmptrld failed: %d (error=%d)\n", vmread(vm_errorcode));
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
}
}
@ -1204,6 +1215,7 @@ int handle_vmptrld(pcpuinfo currentcpuinfo, VMRegisters *vmregisters)
if (debugstate.CR3!=getCR3())
{
sendstringf("wrong cr3 was set in the hoststate");
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
}
@ -1365,6 +1377,7 @@ int handleIntelVMXInstruction(pcpuinfo currentcpuinfo, VMRegisters *vmregisters)
int err=lastexception;
sendstringf("Something shitty happened when emulating VMX (%6: %d)\n", ExceptionRIP, err);
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
}

12
dbvm/vmm/vmxsetup.c
View File

@ -19,6 +19,7 @@
#include "epthandler.h"
#include "neward.h"
#include "displaydebug.h"
criticalSection setupVMX_lock;
@ -1165,8 +1166,7 @@ void setupVMX(pcpuinfo currentcpuinfo)
sendstringf("Set vm_execution_controls_pin to %8 (became %8)\n", (ULONG)IA32_VMX_PINBASED_CTLS, (DWORD)vmread(vm_execution_controls_pin));
#ifdef DEBUG
/*
//check if the system supports preemption, and if so, enable it
{
@ -1174,14 +1174,11 @@ void setupVMX(pcpuinfo currentcpuinfo)
if (usablepinbasedBits & ACTIVATE_VMX_PREEMPTION_TIMER)
{
displayline("Preemption is possible\n");
vmwrite(vm_execution_controls_pin,(ULONG)IA32_VMX_PINBASED_CTLS | ACTIVATE_VMX_PREEMPTION_TIMER);
vmwrite(vm_preemption_timer_value,IA32_VMX_MISC.vmx_premption_timer_tsc_relation*100000);
vmwrite(vm_execution_controls_pin,vmread(vm_execution_controls_pin) | ACTIVATE_VMX_PREEMPTION_TIMER);
vmwrite(vm_preemption_timer_value,10000);
}
}
*/
#endif
globalTSC=_rdtsc();
@ -1842,6 +1839,7 @@ void setupVMX(pcpuinfo currentcpuinfo)
{
sendstringf("No low region:\n");
sendARD();
ddDrawRectangle(0,DDVerticalResolution-100,100,100,0xff0000);
while (1);
}