ManageRegs.c File Reference

Manage Registers. More...

#include "pch.h"

Functions
VOID	SetGuestCsSel (PVMX_SEGMENT_SELECTOR Cs)
	Set just the Guest Cs selector.
VOID	SetGuestCs (PVMX_SEGMENT_SELECTOR Cs)
	Set the Guest Cs.
VMX_SEGMENT_SELECTOR	GetGuestCs ()
	Get the Guest Cs Selector.
VOID	SetGuestSsSel (PVMX_SEGMENT_SELECTOR Ss)
	Set just the Guest Ss selector.
VOID	SetGuestSs (PVMX_SEGMENT_SELECTOR Ss)
	Set the Guest Ss selector.
VMX_SEGMENT_SELECTOR	GetGuestSs ()
	Get the Guest Ss Selector.
VOID	SetGuestDsSel (PVMX_SEGMENT_SELECTOR Ds)
	Set just the Guest Ds selector.
VOID	SetGuestDs (PVMX_SEGMENT_SELECTOR Ds)
	Set the Guest Ds selector.
VMX_SEGMENT_SELECTOR	GetGuestDs ()
	Get the Guest Ds Selector.
VOID	SetGuestFsSel (PVMX_SEGMENT_SELECTOR Fs)
	Set just the Guest Fs selector.
VOID	SetGuestFs (PVMX_SEGMENT_SELECTOR Fs)
	Set the Guest Fs selector.
VMX_SEGMENT_SELECTOR	GetGuestFs ()
	Get the Guest Fs Selector.
VOID	SetGuestGsSel (PVMX_SEGMENT_SELECTOR Gs)
	Set just the Guest Gs selector.
VOID	SetGuestGs (PVMX_SEGMENT_SELECTOR Gs)
	Set the Guest Gs selector.
VMX_SEGMENT_SELECTOR	GetGuestGs ()
	Get the Guest Gs Selector.
VOID	SetGuestEsSel (PVMX_SEGMENT_SELECTOR Es)
	Set just the Guest Es selector.
VOID	SetGuestEs (PVMX_SEGMENT_SELECTOR Es)
	Set the Guest Es selector.
VMX_SEGMENT_SELECTOR	GetGuestEs ()
	Get the Guest Es Selector.
VOID	SetGuestIdtr (UINT64 Idtr)
	Set the Guest Idtr.
UINT64	GetGuestIdtr ()
	Get the Guest Idtr.
VOID	SetGuestLdtr (UINT64 Ldtr)
	Set the Guest Ldtr.
UINT64	GetGuestLdtr ()
	Get the Guest Ldtr.
VOID	SetGuestGdtr (UINT64 Gdtr)
	Set the Guest Gdtr.
UINT64	GetGuestGdtr ()
	Get the Guest Gdtr.
VOID	SetGuestTr (UINT64 Tr)
UINT64	GetGuestTr ()
	Get the Guest Tr.
VOID	SetGuestRFlags (UINT64 RFlags)
	Set the Guest RFLAGS Register.
UINT64	GetGuestRFlags ()
	Get the Guest Rflags value.
VOID	SetGuestRIP (UINT64 RIP)
	Set the Guest RIP Register.
VOID	SetGuestRSP (UINT64 RSP)
	Set the Guest RSP Register.
UINT64	GetGuestRIP ()
	Get the Guest RIP value.
UINT64	GetGuestCr0 ()
	Get the Guest Cr0 value.
UINT64	GetGuestCr2 ()
	Get the Guest Cr2 value.
UINT64	GetGuestCr3 ()
	Get the Guest Cr3 value.
UINT64	GetGuestCr4 ()
	Get the Guest Cr4 value.
UINT64	GetGuestCr8 ()
	Get the Guest Cr8 value.
VOID	SetGuestCr0 (UINT64 Cr0)
	Set the Guest Cr0 Register.
VOID	SetGuestCr2 (UINT64 Cr2)
	Set the Guest Cr2 Register.
VOID	SetGuestCr3 (UINT64 Cr3)
	Set the Guest Cr3 Register.
VOID	SetGuestCr4 (UINT64 Cr4)
	Set the Guest Cr4 Register.
VOID	SetGuestCr8 (UINT64 Cr8)
	Set the Guest Cr8 Register.
VOID	SetGuestDr0 (UINT64 value)
	Set the Guest Dr0 Register.
VOID	SetGuestDr1 (UINT64 value)
	Set the Guest Dr1 Register.
VOID	SetGuestDr2 (UINT64 value)
	Set the Guest Dr2 Register.
VOID	SetGuestDr3 (UINT64 value)
	Set the Guest Dr3 Register.
VOID	SetGuestDr6 (UINT64 value)
	Set the Guest Dr6 Register.
VOID	SetGuestDr7 (UINT64 value)
	Set the Guest Dr7 Register.
UINT64	GetGuestDr0 ()
	Get the Guest Dr0 value.
UINT64	GetGuestDr1 ()
	Get the Guest Dr1 value.
UINT64	GetGuestDr2 ()
	Get the Guest Dr2 value.
UINT64	GetGuestDr3 ()
	Get the Guest Dr3 value.
UINT64	GetGuestDr6 ()
	Get the Guest Dr6 (breakpoint status) value.
UINT64	GetGuestDr7 ()
	Get the Guest Dr7 (breakpoint trigger) value.

Detailed Description

Manage Registers.

Author

Sina Karvandi (sina@.nosp@m.hype.nosp@m.rdbg..nosp@m.org)

Alee Amini (alee@.nosp@m.hype.nosp@m.rdbg..nosp@m.org)

Version

0.1

Date

2020-06-11

Copyright

This project is released under the GNU Public License v3.

Function Documentation

GetGuestCr0()

UINT64 GetGuestCr0

(

)

Get the Guest Cr0 value.

Returns

UINT64

{
    UINT64 Cr0;
 
    __vmx_vmread(VMCS_GUEST_CR0, &Cr0);
    return Cr0;
}

GetGuestCr2()

UINT64 GetGuestCr2

(

)

Get the Guest Cr2 value.

Returns

UINT64

{
    UINT64 Cr2;
 
    Cr2 = __readcr2();
    return Cr2;
}

GetGuestCr3()

UINT64 GetGuestCr3

(

)

Get the Guest Cr3 value.

Returns

UINT64

{
    UINT64 Cr3;
 
    __vmx_vmread(VMCS_GUEST_CR3, &Cr3);
    return Cr3;
}

GetGuestCr4()

UINT64 GetGuestCr4

(

)

Get the Guest Cr4 value.

Returns

UINT64

{
    UINT64 Cr4;
 
    __vmx_vmread(VMCS_GUEST_CR4, &Cr4);
    return Cr4;
}

GetGuestCr8()

UINT64 GetGuestCr8

(

)

Get the Guest Cr8 value.

Returns

UINT64

{
    UINT64 Cr8;
 
    Cr8 = __readcr8();
    return Cr8;
}

GetGuestCs()

VMX_SEGMENT_SELECTOR GetGuestCs

(

)

Get the Guest Cs Selector.

Returns

SEGMENT_SELECTOR

{
    VMX_SEGMENT_SELECTOR Cs;
 
    __vmx_vmread(VMCS_GUEST_CS_BASE, &Cs.Base);
    VmxVmread32P(VMCS_GUEST_CS_LIMIT, &Cs.Limit);
    VmxVmread32P(VMCS_GUEST_CS_ACCESS_RIGHTS, &Cs.Attributes.AsUInt);
    VmxVmread16P(VMCS_GUEST_CS_SELECTOR, &Cs.Selector);
 
    return Cs;
}

GetGuestDr0()

UINT64 GetGuestDr0

(

)

Get the Guest Dr0 value.

Returns

UINT64

{
    UINT64 Dr0 = 0;
    Dr0        = __readdr(0);
    return Dr0;
}

GetGuestDr1()

UINT64 GetGuestDr1

(

)

Get the Guest Dr1 value.

Returns

UINT64

{
    UINT64 Dr1 = 0;
    Dr1        = __readdr(1);
    return Dr1;
}

GetGuestDr2()

UINT64 GetGuestDr2

(

)

Get the Guest Dr2 value.

Returns

UINT64

{
    UINT64 Dr2 = 0;
    Dr2        = __readdr(2);
    return Dr2;
}

GetGuestDr3()

UINT64 GetGuestDr3

(

)

Get the Guest Dr3 value.

Returns

UINT64

{
    UINT64 Dr3 = 0;
    Dr3        = __readdr(3);
    return Dr3;
}

GetGuestDr6()

UINT64 GetGuestDr6

(

)

Get the Guest Dr6 (breakpoint status) value.

Returns

UINT64

{
    UINT64 Dr6 = 0;
    Dr6        = __readdr(6);
    return Dr6;
}

GetGuestDr7()

UINT64 GetGuestDr7

(

)

Get the Guest Dr7 (breakpoint trigger) value.

Returns

UINT64

{
    UINT64 Dr7 = 0;
    Dr7        = __readdr(7);
    return Dr7;
}

GetGuestDs()

VMX_SEGMENT_SELECTOR GetGuestDs

(

)

Get the Guest Ds Selector.

Returns

SEGMENT_SELECTOR

{
    VMX_SEGMENT_SELECTOR Ds;
 
    __vmx_vmread(VMCS_GUEST_DS_BASE, &Ds.Base);
    VmxVmread32P(VMCS_GUEST_DS_LIMIT, &Ds.Limit);
    VmxVmread32P(VMCS_GUEST_DS_ACCESS_RIGHTS, &Ds.Attributes.AsUInt);
    VmxVmread16P(VMCS_GUEST_DS_SELECTOR, &Ds.Selector);
 
    return Ds;
}

GetGuestEs()

VMX_SEGMENT_SELECTOR GetGuestEs

(

)

Get the Guest Es Selector.

Returns

SEGMENT_SELECTOR

{
    VMX_SEGMENT_SELECTOR Es;
 
    __vmx_vmread(VMCS_GUEST_ES_BASE, &Es.Base);
    VmxVmread32P(VMCS_GUEST_ES_LIMIT, &Es.Limit);
    VmxVmread32P(VMCS_GUEST_ES_ACCESS_RIGHTS, &Es.Attributes.AsUInt);
    VmxVmread16P(VMCS_GUEST_ES_SELECTOR, &Es.Selector);
 
    return Es;
}

GetGuestFs()

VMX_SEGMENT_SELECTOR GetGuestFs

(

)

Get the Guest Fs Selector.

Returns

SEGMENT_SELECTOR

{
    VMX_SEGMENT_SELECTOR Fs;
 
    __vmx_vmread(VMCS_GUEST_FS_BASE, &Fs.Base);
    VmxVmread32P(VMCS_GUEST_FS_LIMIT, &Fs.Limit);
    VmxVmread32P(VMCS_GUEST_FS_ACCESS_RIGHTS, &Fs.Attributes.AsUInt);
    VmxVmread16P(VMCS_GUEST_FS_SELECTOR, &Fs.Selector);
 
    return Fs;
}

GetGuestGdtr()

UINT64 GetGuestGdtr

(

)

Get the Guest Gdtr.

Returns

UINT64

{
    UINT64 Gdtr;
 
    __vmx_vmread(VMCS_GUEST_GDTR_BASE, &Gdtr);
 
    return Gdtr;
}

GetGuestGs()

VMX_SEGMENT_SELECTOR GetGuestGs

(

)

Get the Guest Gs Selector.

Returns

SEGMENT_SELECTOR

{
    VMX_SEGMENT_SELECTOR Gs;
 
    __vmx_vmread(VMCS_GUEST_GS_BASE, &Gs.Base);
    VmxVmread32P(VMCS_GUEST_GS_LIMIT, &Gs.Limit);
    VmxVmread32P(VMCS_GUEST_GS_ACCESS_RIGHTS, &Gs.Attributes.AsUInt);
    VmxVmread16P(VMCS_GUEST_GS_SELECTOR, &Gs.Selector);
 
    return Gs;
}

GetGuestIdtr()

UINT64 GetGuestIdtr

(

)

Get the Guest Idtr.

Returns

UINT64

{
    UINT64 Idtr;
 
    __vmx_vmread(VMCS_GUEST_IDTR_BASE, &Idtr);
 
    return Idtr;
}

GetGuestLdtr()

UINT64 GetGuestLdtr

(

)

Get the Guest Ldtr.

Returns

UINT64

{
    UINT64 Ldtr;
 
    __vmx_vmread(VMCS_GUEST_LDTR_BASE, &Ldtr);
 
    return Ldtr;
}

GetGuestRFlags()

UINT64 GetGuestRFlags

(

)

Get the Guest Rflags value.

Returns

UINT64

{
    UINT64 RFlags;
    __vmx_vmread(VMCS_GUEST_RFLAGS, &RFlags);
    return RFlags;
}

GetGuestRIP()

UINT64 GetGuestRIP

(

)

Get the Guest RIP value.

Returns

UINT64

{
    UINT64 RIP;
 
    __vmx_vmread(VMCS_GUEST_RIP, &RIP);
    return RIP;
}

GetGuestSs()

VMX_SEGMENT_SELECTOR GetGuestSs

(

)

Get the Guest Ss Selector.

Returns

SEGMENT_SELECTOR

{
    VMX_SEGMENT_SELECTOR Ss;
 
    __vmx_vmread(VMCS_GUEST_SS_BASE, &Ss.Base);
    VmxVmread32P(VMCS_GUEST_SS_LIMIT, &Ss.Limit);
    VmxVmread32P(VMCS_GUEST_SS_ACCESS_RIGHTS, &Ss.Attributes.AsUInt);
    VmxVmread16P(VMCS_GUEST_SS_SELECTOR, &Ss.Selector);
 
    return Ss;
}

GetGuestTr()

UINT64 GetGuestTr

(

)

Get the Guest Tr.

Returns

UINT64

{
    UINT64 Tr;
 
    __vmx_vmread(VMCS_GUEST_TR_BASE, &Tr);
 
    return Tr;
}

SetGuestCr0()

VOID SetGuestCr0

(

UINT64

Cr0

)

Set the Guest Cr0 Register.

Parameters

Cr0	The Cr0 Value for the guest

Returns

VOID

{
    VmxVmwrite64(VMCS_GUEST_CR0, Cr0);
}

SetGuestCr2()

VOID SetGuestCr2

(

UINT64

Cr2

)

Set the Guest Cr2 Register.

Parameters

Cr2	The Cr2 Value for the guest

Returns

VOID

{
    __writecr2(Cr2);
}

SetGuestCr3()

VOID SetGuestCr3

(

UINT64

Cr3

)

Set the Guest Cr3 Register.

Parameters

Cr3	The Cr3 Value for the guest

Returns

VOID

{
    VmxVmwrite64(VMCS_GUEST_CR3, Cr3);
}

SetGuestCr4()

VOID SetGuestCr4

(

UINT64

Cr4

)

Set the Guest Cr4 Register.

Parameters

Cr4	The Cr4 Value for the guest

Returns

VOID

{
    VmxVmwrite64(VMCS_GUEST_CR4, Cr4);
}

SetGuestCr8()

VOID SetGuestCr8

(

UINT64

Cr8

)

Set the Guest Cr8 Register.

Parameters

Cr8	The Cr8 Value for the guest

Returns

VOID

{
    __writecr8(Cr8);
}

SetGuestCs()

VOID SetGuestCs

(

PVMX_SEGMENT_SELECTOR

Cs

)

Set the Guest Cs.

Parameters

Cs	The CS Selector for the guest

Returns

VOID

{
    __vmx_vmwrite(VMCS_GUEST_CS_BASE, Cs->Base);
    __vmx_vmwrite(VMCS_GUEST_CS_LIMIT, Cs->Limit);
    __vmx_vmwrite(VMCS_GUEST_CS_ACCESS_RIGHTS, Cs->Attributes.AsUInt);
    __vmx_vmwrite(VMCS_GUEST_CS_SELECTOR, Cs->Selector);
}

SetGuestCsSel()

VOID SetGuestCsSel

(

PVMX_SEGMENT_SELECTOR

Cs

)

Set just the Guest Cs selector.

Parameters

Cs	The CS Selector for the guest

Returns

VOID

{
    __vmx_vmwrite(VMCS_GUEST_CS_SELECTOR, Cs->Selector);
}

SetGuestDr0()

VOID SetGuestDr0

(

UINT64

value

)

Set the Guest Dr0 Register.

Parameters

Dr0	The Dr0 Value for the guest

Returns

VOID

{
    __writedr(0, value);
}

SetGuestDr1()

VOID SetGuestDr1

(

UINT64

value

)

Set the Guest Dr1 Register.

Parameters

Dr1	The Dr1 Value for the guest

Returns

VOID

{
    __writedr(1, value);
}

SetGuestDr2()

VOID SetGuestDr2

(

UINT64

value

)

Set the Guest Dr2 Register.

Parameters

Dr2	The Dr2 Value for the guest

Returns

VOID

{
    __writedr(2, value);
}

SetGuestDr3()

VOID SetGuestDr3

(

UINT64

value

)

Set the Guest Dr3 Register.

Parameters

Dr3	The Dr3 Value for the guest

Returns

VOID

{
    __writedr(3, value);
}

SetGuestDr6()

VOID SetGuestDr6

(

UINT64

value

)

Set the Guest Dr6 Register.

Parameters

Dr6	The Dr6 Value for the guest

Returns

VOID

{
    __writedr(6, value);
}

SetGuestDr7()

VOID SetGuestDr7

(

UINT64

value

)

Set the Guest Dr7 Register.

Parameters

Dr7	The Dr7 Value for the guest

Returns

VOID

{
    __writedr(7, value);
}

SetGuestDs()

VOID SetGuestDs

(

PVMX_SEGMENT_SELECTOR

Ds

)

Set the Guest Ds selector.

Parameters

Ds	The DS Selector for the guest

Returns

VOID

{
    VmxVmwrite64(VMCS_GUEST_DS_BASE, Ds->Base);
    VmxVmwrite64(VMCS_GUEST_DS_LIMIT, Ds->Limit);
    VmxVmwrite64(VMCS_GUEST_DS_ACCESS_RIGHTS, Ds->Attributes.AsUInt);
    VmxVmwrite64(VMCS_GUEST_DS_SELECTOR, Ds->Selector);
}

SetGuestDsSel()

VOID SetGuestDsSel

(

PVMX_SEGMENT_SELECTOR

Ds

)

Set just the Guest Ds selector.

Parameters

Ds	The DS Selector for the guest

Returns

VOID

{
    VmxVmwrite64(VMCS_GUEST_DS_SELECTOR, Ds->Selector);
}

SetGuestEs()

VOID SetGuestEs

(

PVMX_SEGMENT_SELECTOR

Es

)

Set the Guest Es selector.

Parameters

Es	The ES Selector for the guest

Returns

VOID

{
    VmxVmwrite64(VMCS_GUEST_ES_BASE, Es->Base);
    VmxVmwrite64(VMCS_GUEST_ES_LIMIT, Es->Limit);
    VmxVmwrite64(VMCS_GUEST_ES_ACCESS_RIGHTS, Es->Attributes.AsUInt);
    VmxVmwrite64(VMCS_GUEST_ES_SELECTOR, Es->Selector);
}

SetGuestEsSel()

VOID SetGuestEsSel

(

PVMX_SEGMENT_SELECTOR

Es

)

Set just the Guest Es selector.

Parameters

Es	The ES Selector for the guest

Returns

VOID

{
    VmxVmwrite64(VMCS_GUEST_ES_SELECTOR, Es->Selector);
}

SetGuestFs()

VOID SetGuestFs

(

PVMX_SEGMENT_SELECTOR

Fs

)

Set the Guest Fs selector.

Parameters

Fs	The FS Selector for the guest

Returns

VOID

{
    VmxVmwrite64(VMCS_GUEST_FS_BASE, Fs->Base);
    VmxVmwrite64(VMCS_GUEST_FS_LIMIT, Fs->Limit);
    VmxVmwrite64(VMCS_GUEST_FS_ACCESS_RIGHTS, Fs->Attributes.AsUInt);
    VmxVmwrite64(VMCS_GUEST_FS_SELECTOR, Fs->Selector);
}

SetGuestFsSel()

VOID SetGuestFsSel

(

PVMX_SEGMENT_SELECTOR

Fs

)

Set just the Guest Fs selector.

Parameters

Fs	The FS Selector for the guest

Returns

VOID

{
    VmxVmwrite64(VMCS_GUEST_FS_SELECTOR, Fs->Selector);
}

SetGuestGdtr()

VOID SetGuestGdtr

(

UINT64

Gdtr

)

Set the Guest Gdtr.

Parameters

Gdtr	The Gdtr Selector for the guest

Returns

VOID

{
    VmxVmwrite64(VMCS_GUEST_GDTR_BASE, Gdtr);
}

SetGuestGs()

VOID SetGuestGs

(

PVMX_SEGMENT_SELECTOR

Gs

)

Set the Guest Gs selector.

Parameters

Gs	The GS Selector for the guest

Returns

VOID

{
    VmxVmwrite64(VMCS_GUEST_GS_BASE, Gs->Base);
    VmxVmwrite64(VMCS_GUEST_GS_LIMIT, Gs->Limit);
    VmxVmwrite64(VMCS_GUEST_GS_ACCESS_RIGHTS, Gs->Attributes.AsUInt);
    VmxVmwrite64(VMCS_GUEST_GS_SELECTOR, Gs->Selector);
}

SetGuestGsSel()

VOID SetGuestGsSel

(

PVMX_SEGMENT_SELECTOR

Gs

)

Set just the Guest Gs selector.

Parameters

Gs	The GS Selector for the guest

Returns

VOID

{
    VmxVmwrite64(VMCS_GUEST_GS_SELECTOR, Gs->Selector);
}

SetGuestIdtr()

VOID SetGuestIdtr

(

UINT64

Idtr

)

Set the Guest Idtr.

Parameters

Idtr	The Idtr Selector for the guest

Returns

VOID

{
    VmxVmwrite64(VMCS_GUEST_IDTR_BASE, Idtr);
}

SetGuestLdtr()

VOID SetGuestLdtr

(

UINT64

Ldtr

)

Set the Guest Ldtr.

Parameters

Ldtr	The Idtr Selector for the guest

Returns

VOID

{
    VmxVmwrite64(VMCS_GUEST_LDTR_BASE, Ldtr);
}

SetGuestRFlags()

VOID SetGuestRFlags

(

UINT64

RFlags

)

Set the Guest RFLAGS Register.

Parameters

Rflags

The Rflags Value for the guest

Returns

VOID

{
    VmxVmwrite64(VMCS_GUEST_RFLAGS, RFlags);
}

SetGuestRIP()

VOID SetGuestRIP

(

UINT64

RIP

)

Set the Guest RIP Register.

Parameters

RIP	The RIP Value for the guest

Returns

VOID

{
    VmxVmwrite64(VMCS_GUEST_RIP, RIP);
}

SetGuestRSP()

VOID SetGuestRSP

(

UINT64

RSP

)

Set the Guest RSP Register.

Parameters

RSP	The RSP Value for the guest

Returns

VOID

{
    VmxVmwrite64(VMCS_GUEST_RSP, RSP);
}

SetGuestSs()

VOID SetGuestSs

(

PVMX_SEGMENT_SELECTOR

Ss

)

Set the Guest Ss selector.

Parameters

Ss	The SS Selector for the guest

Returns

VOID

{
    VmxVmwrite64(VMCS_GUEST_SS_BASE, Ss->Base);
    VmxVmwrite64(VMCS_GUEST_SS_LIMIT, Ss->Limit);
    VmxVmwrite64(VMCS_GUEST_SS_ACCESS_RIGHTS, Ss->Attributes.AsUInt);
    VmxVmwrite64(VMCS_GUEST_SS_SELECTOR, Ss->Selector);
}

SetGuestSsSel()

VOID SetGuestSsSel

(

PVMX_SEGMENT_SELECTOR

Ss

)

Set just the Guest Ss selector.

Parameters

Ss	The SS Selector for the guest

Returns

VOID

{
    __vmx_vmwrite(VMCS_GUEST_SS_SELECTOR, Ss->Selector);
}

SetGuestTr()

VOID SetGuestTr

(

UINT64

Tr

)

Parameters

Tr	The Tr Selector for the guest

Returns

VOID

{
    VmxVmwrite64(VMCS_GUEST_TR_BASE, Tr);
}