114 lines
2.3 KiB
C
114 lines
2.3 KiB
C
/*!
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@file Asm.h
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@brief MASM-written functions.
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@author Satoshi Tanda
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@copyright Copyright (c) 2020 - , Satoshi Tanda. All rights reserved.
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*/
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#pragma once
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#include "Common.h"
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#if defined(NTDDI_VERSION)
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#include "Platform/Windows/WinAsm.h"
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#else
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#include "Platform/EFI/EfiAsm.h"
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#endif
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/*!
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@brief An entry point for the hypervisor.
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@details See x64.asm.
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*/
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VOID
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AsmHypervisorEntryPoint (
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VOID
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);
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/*!
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@brief Invalidate translations derived from EPT.
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@param[in] InvEptType - A type of invalidation.
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@param[in] InvEptDescriptor - A description of translations to invalidate.
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@return An appropriate VMX_RESULT value.
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*/
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VMX_RESULT
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AsmInvept (
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_In_ INVEPT_TYPE InvEptType,
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_In_ CONST INVEPT_DESCRIPTOR* InvEptDescriptor
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);
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/*!
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@brief Invalidate translations based on VPID.
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@param[in] InvVpidType - A type of invalidation.
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@param[in] InvVpidDescriptor - A description of translations to invalidate.
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@return An appropriate VMX_RESULT value.
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*/
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VMX_RESULT
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AsmInvvpid (
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_In_ INVVPID_TYPE InvVpidType,
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_In_ CONST INVVPID_DESCRIPTOR* InvVpidDescriptor
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);
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/*!
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@brief Reads the access rights byte of the segment.
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@details See: LAR-Load Access Rights Byte
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@param[in] SegmentSelector - The selector of the segment to read.
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@return The access rights byte of the segment, or 0 on failure.
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*/
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UINT32
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AsmLoadAccessRightsByte (
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_In_ UINT16 SegmentSelector
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);
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/*!
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@brief Issues hypercall.
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@param[in] HyperCallNumber - The hypercall number.
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@param[in] Parameter1 - The arbitrary 64bit parameter 1.
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@param[in] Parameter2 - The arbitrary 64bit parameter 2.
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@param[in] Parameter3 - The arbitrary 64bit parameter 3.
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@return The 64bit return value. Meaning is depends on HyperCallNumber.
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*/
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UINT64
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AsmVmxCall (
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_In_ UINT64 HyperCallNumber,
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_In_ UINT64 Parameter1,
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_In_ UINT64 Parameter2,
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_In_ UINT64 Parameter3
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);
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/*!
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@brief Returns the address of the return address from this function.
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@return The address of the return address from this function.
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*/
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UINT64
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AsmGetCurrentInstructionPointer (
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VOID
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);
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/*!
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@brief Returns the current value of RSP.
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@return The current value of RSP.
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*/
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UINT64
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AsmGetCurrentStackPointer (
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VOID
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);
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