[edk2-devel] [Patch 04/15] MdePkg/BaseLib: Break out IA32/X64 GCC inline privileged functions
Liming Gao
liming.gao at intel.com
Fri Jul 10 08:06:01 UTC 2020
Mike:
So, GccInline.c file can't be used in the unit test BaseLib.
Thanks
Liming
-----Original Message-----
From: Kinney, Michael D <michael.d.kinney at intel.com>
Sent: 2020年7月10日 1:01
To: Gao, Liming <liming.gao at intel.com>; devel at edk2.groups.io; Kinney, Michael D <michael.d.kinney at intel.com>
Cc: Sean Brogan <sean.brogan at microsoft.com>; Bret Barkelew <Bret.Barkelew at microsoft.com>; Yao, Jiewen <jiewen.yao at intel.com>
Subject: RE: [Patch 04/15] MdePkg/BaseLib: Break out IA32/X64 GCC inline privileged functions
Liming,
In order to support host based unit tests, all the code
has to be compatible with a user mode process. This means
any functions that execute instructions that are not allowed
in a user mode process need to be separated out.
For the IA32/X64 specific GccInline.c files, the analysis
was done for APIs that use instructions that would
generate an exception in a user mode process.
In addition, the BaseLib functions that return system
state (e.g. CS/DS/ES/SS/FS/GS) are also split out. It
does not make sense to return system state information
from the currently executing user mode process. Instead,
the FW code under test would expect system state that
matches a FW execution environment. Each unit test
implementation has the option of providing emulation
of this system state if that is required to exercise the
code under test.
No changes to the MSFT specific BaseLib implementation
were required because there those are already split out
to one function per file.
Best regards,
Mike
> -----Original Message-----
> From: Gao, Liming <liming.gao at intel.com>
> Sent: Thursday, July 9, 2020 7:07 AM
> To: Kinney, Michael D <michael.d.kinney at intel.com>;
> devel at edk2.groups.io
> Cc: Sean Brogan <sean.brogan at microsoft.com>; Bret
> Barkelew <Bret.Barkelew at microsoft.com>; Yao, Jiewen
> <jiewen.yao at intel.com>
> Subject: RE: [Patch 04/15] MdePkg/BaseLib: Break out
> IA32/X64 GCC inline privileged functions
>
> Mike:
> Is there the rule to know which function can't be in
> unit test? And, those functions will be in GccInline.c
> or GccInlinePriv.c? There is no change in MSFT C source
> file, because MSFT C source file has been separated as
> the function level. Right?
>
> Thanks
> Liming
> > -----Original Message-----
> > From: Kinney, Michael D <michael.d.kinney at intel.com>
> > Sent: Monday, June 15, 2020 8:19 AM
> > To: devel at edk2.groups.io
> > Cc: Gao, Liming <liming.gao at intel.com>; Sean Brogan
> <sean.brogan at microsoft.com>; Bret Barkelew
> <Bret.Barkelew at microsoft.com>;
> > Yao, Jiewen <jiewen.yao at intel.com>
> > Subject: [Patch 04/15] MdePkg/BaseLib: Break out
> IA32/X64 GCC inline privileged functions
> >
> > https://bugzilla.tianocore.org/show_bug.cgi?id=2800
> >
> > Break out the IA32/X64 GCC inline functions that can
> not be used
> > in a unit test host application into their own source
> file. This
> > does not make any changes to the BaseLib library
> instance. This
> > is in preparation for a new BaseLib instances that is
> safe to use
> > with host-based unit test applications.
> >
> > Cc: Liming Gao <liming.gao at intel.com>
> > Cc: Sean Brogan <sean.brogan at microsoft.com>
> > Cc: Bret Barkelew <Bret.Barkelew at microsoft.com>
> > Cc: Jiewen Yao <jiewen.yao at intel.com>
> > Signed-off-by: Michael D Kinney
> <michael.d.kinney at intel.com>
> > ---
> > MdePkg/Library/BaseLib/BaseLib.inf | 4
> +-
> > MdePkg/Library/BaseLib/Ia32/GccInline.c | 1181
> +---------------
> > .../Ia32/{GccInline.c => GccInlinePriv.c} | 601
> +-------
> > MdePkg/Library/BaseLib/X64/GccInline.c | 1240
> +----------------
> > .../X64/{GccInline.c => GccInlinePriv.c} | 572
> +-------
> > 5 files changed, 11 insertions(+), 3587 deletions(-)
> > copy MdePkg/Library/BaseLib/Ia32/{GccInline.c =>
> GccInlinePriv.c} (62%)
> > copy MdePkg/Library/BaseLib/X64/{GccInline.c =>
> GccInlinePriv.c} (65%)
> >
> > diff --git a/MdePkg/Library/BaseLib/BaseLib.inf
> b/MdePkg/Library/BaseLib/BaseLib.inf
> > index a57ae2da31..c740a819ca 100644
> > --- a/MdePkg/Library/BaseLib/BaseLib.inf
> > +++ b/MdePkg/Library/BaseLib/BaseLib.inf
> > @@ -1,7 +1,7 @@
> > ## @file
> > # Base Library implementation.
> > #
> > -# Copyright (c) 2007 - 2019, Intel Corporation. All
> rights reserved.<BR>
> > +# Copyright (c) 2007 - 2020, Intel Corporation. All
> rights reserved.<BR>
> > # Portions copyright (c) 2008 - 2009, Apple Inc. All
> rights reserved.<BR>
> > # Portions copyright (c) 2011 - 2013, ARM Ltd. All
> rights reserved.<BR>
> > # Copyright (c) 2020, Hewlett Packard Enterprise
> Development LP. All rights reserved.<BR>
> > @@ -156,6 +156,7 @@ [Sources.Ia32]
> >
> >
> > Ia32/GccInline.c | GCC
> > + Ia32/GccInlinePriv.c | GCC
> > Ia32/Thunk16.nasm
> > Ia32/EnableDisableInterrupts.nasm| GCC
> > Ia32/EnablePaging64.nasm
> > @@ -310,6 +311,7 @@ [Sources.X64]
> > X86PatchInstruction.c
> > X86SpeculationBarrier.c
> > X64/GccInline.c | GCC
> > + X64/GccInlinePriv.c | GCC
> > X64/EnableDisableInterrupts.nasm
> > X64/DisablePaging64.nasm
> > X64/RdRand.nasm
> > diff --git a/MdePkg/Library/BaseLib/Ia32/GccInline.c
> b/MdePkg/Library/BaseLib/Ia32/GccInline.c
> > index 5287200f87..6ed938187a 100644
> > --- a/MdePkg/Library/BaseLib/Ia32/GccInline.c
> > +++ b/MdePkg/Library/BaseLib/Ia32/GccInline.c
> > @@ -1,7 +1,7 @@
> > /** @file
> > GCC inline implementation of BaseLib processor
> specific functions.
> >
> > - Copyright (c) 2006 - 2018, Intel Corporation. All
> rights reserved.<BR>
> > + Copyright (c) 2006 - 2020, Intel Corporation. All
> rights reserved.<BR>
> > Portions copyright (c) 2008 - 2009, Apple Inc. All
> rights reserved.<BR>
> > SPDX-License-Identifier: BSD-2-Clause-Patent
> >
> > @@ -10,8 +10,6 @@
> >
> > #include "BaseLibInternals.h"
> >
> > -
> > -
> > /**
> > Used to serialize load and store operations.
> >
> > @@ -31,41 +29,6 @@ MemoryFence (
> > __asm__ __volatile__ ("":::"memory");
> > }
> >
> > -
> > -/**
> > - Enables CPU interrupts.
> > -
> > - Enables CPU interrupts.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -EnableInterrupts (
> > - VOID
> > - )
> > -{
> > - __asm__ __volatile__ ("sti"::: "memory");
> > -}
> > -
> > -
> > -/**
> > - Disables CPU interrupts.
> > -
> > - Disables CPU interrupts.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -DisableInterrupts (
> > - VOID
> > - )
> > -{
> > - __asm__ __volatile__ ("cli"::: "memory");
> > -}
> > -
> > -
> > -
> > -
> > /**
> > Requests CPU to pause for a short period of time.
> >
> > @@ -82,7 +45,6 @@ CpuPause (
> > __asm__ __volatile__ ("pause");
> > }
> >
> > -
> > /**
> > Generates a breakpoint on the CPU.
> >
> > @@ -99,75 +61,6 @@ CpuBreakpoint (
> > __asm__ __volatile__ ("int $3");
> > }
> >
> > -
> > -
> > -/**
> > - Returns a 64-bit Machine Specific Register(MSR).
> > -
> > - Reads and returns the 64-bit MSR specified by
> Index. No parameter checking is
> > - performed on Index, and some Index values may cause
> CPU exceptions. The
> > - caller must either guarantee that Index is valid,
> or the caller must set up
> > - exception handlers to catch the exceptions. This
> function is only available
> > - on IA-32 and X64.
> > -
> > - @param Index The 32-bit MSR index to read.
> > -
> > - @return The value of the MSR identified by Index.
> > -
> > -**/
> > -UINT64
> > -EFIAPI
> > -AsmReadMsr64 (
> > - IN UINT32 Index
> > - )
> > -{
> > - UINT64 Data;
> > -
> > - __asm__ __volatile__ (
> > - "rdmsr"
> > - : "=A" (Data) // %0
> > - : "c" (Index) // %1
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -/**
> > - Writes a 64-bit value to a Machine Specific
> Register(MSR), and returns the
> > - value.
> > -
> > - Writes the 64-bit value specified by Value to the
> MSR specified by Index. The
> > - 64-bit value written to the MSR is returned. No
> parameter checking is
> > - performed on Index or Value, and some of these may
> cause CPU exceptions. The
> > - caller must either guarantee that Index and Value
> are valid, or the caller
> > - must establish proper exception handlers. This
> function is only available on
> > - IA-32 and X64.
> > -
> > - @param Index The 32-bit MSR index to write.
> > - @param Value The 64-bit value to write to the MSR.
> > -
> > - @return Value
> > -
> > -**/
> > -UINT64
> > -EFIAPI
> > -AsmWriteMsr64 (
> > - IN UINT32 Index,
> > - IN UINT64 Value
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "wrmsr"
> > - :
> > - : "c" (Index),
> > - "A" (Value)
> > - );
> > -
> > - return Value;
> > -}
> > -
> > -
> > -
> > /**
> > Reads the current value of the EFLAGS register.
> >
> > @@ -195,965 +88,6 @@ AsmReadEflags (
> > return Eflags;
> > }
> >
> > -
> > -
> > -/**
> > - Reads the current value of the Control Register 0
> (CR0).
> > -
> > - Reads and returns the current value of CR0. This
> function is only available
> > - on IA-32 and X64. This returns a 32-bit value on
> IA-32 and a 64-bit value on
> > - X64.
> > -
> > - @return The value of the Control Register 0 (CR0).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmReadCr0 (
> > - VOID
> > - )
> > -{
> > - UINTN Data;
> > -
> > - __asm__ __volatile__ (
> > - "movl %%cr0,%0"
> > - : "=a" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of the Control Register 2
> (CR2).
> > -
> > - Reads and returns the current value of CR2. This
> function is only available
> > - on IA-32 and X64. This returns a 32-bit value on
> IA-32 and a 64-bit value on
> > - X64.
> > -
> > - @return The value of the Control Register 2 (CR2).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmReadCr2 (
> > - VOID
> > - )
> > -{
> > - UINTN Data;
> > -
> > - __asm__ __volatile__ (
> > - "movl %%cr2, %0"
> > - : "=r" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -/**
> > - Reads the current value of the Control Register 3
> (CR3).
> > -
> > - Reads and returns the current value of CR3. This
> function is only available
> > - on IA-32 and X64. This returns a 32-bit value on
> IA-32 and a 64-bit value on
> > - X64.
> > -
> > - @return The value of the Control Register 3 (CR3).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmReadCr3 (
> > - VOID
> > - )
> > -{
> > - UINTN Data;
> > -
> > - __asm__ __volatile__ (
> > - "movl %%cr3, %0"
> > - : "=r" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of the Control Register 4
> (CR4).
> > -
> > - Reads and returns the current value of CR4. This
> function is only available
> > - on IA-32 and X64. This returns a 32-bit value on
> IA-32 and a 64-bit value on
> > - X64.
> > -
> > - @return The value of the Control Register 4 (CR4).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmReadCr4 (
> > - VOID
> > - )
> > -{
> > - UINTN Data;
> > -
> > - __asm__ __volatile__ (
> > - "movl %%cr4, %0"
> > - : "=a" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Writes a value to Control Register 0 (CR0).
> > -
> > - Writes and returns a new value to CR0. This
> function is only available on
> > - IA-32 and X64. This writes a 32-bit value on IA-32
> and a 64-bit value on X64.
> > -
> > - @param Cr0 The value to write to CR0.
> > -
> > - @return The value written to CR0.
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmWriteCr0 (
> > - UINTN Cr0
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "movl %0, %%cr0"
> > - :
> > - : "r" (Cr0)
> > - );
> > - return Cr0;
> > -}
> > -
> > -
> > -/**
> > - Writes a value to Control Register 2 (CR2).
> > -
> > - Writes and returns a new value to CR2. This
> function is only available on
> > - IA-32 and X64. This writes a 32-bit value on IA-32
> and a 64-bit value on X64.
> > -
> > - @param Cr2 The value to write to CR2.
> > -
> > - @return The value written to CR2.
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmWriteCr2 (
> > - UINTN Cr2
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "movl %0, %%cr2"
> > - :
> > - : "r" (Cr2)
> > - );
> > - return Cr2;
> > -}
> > -
> > -
> > -/**
> > - Writes a value to Control Register 3 (CR3).
> > -
> > - Writes and returns a new value to CR3. This
> function is only available on
> > - IA-32 and X64. This writes a 32-bit value on IA-32
> and a 64-bit value on X64.
> > -
> > - @param Cr3 The value to write to CR3.
> > -
> > - @return The value written to CR3.
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmWriteCr3 (
> > - UINTN Cr3
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "movl %0, %%cr3"
> > - :
> > - : "r" (Cr3)
> > - );
> > - return Cr3;
> > -}
> > -
> > -
> > -/**
> > - Writes a value to Control Register 4 (CR4).
> > -
> > - Writes and returns a new value to CR4. This
> function is only available on
> > - IA-32 and X64. This writes a 32-bit value on IA-32
> and a 64-bit value on X64.
> > -
> > - @param Cr4 The value to write to CR4.
> > -
> > - @return The value written to CR4.
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmWriteCr4 (
> > - UINTN Cr4
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "movl %0, %%cr4"
> > - :
> > - : "r" (Cr4)
> > - );
> > - return Cr4;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of Debug Register 0 (DR0).
> > -
> > - Reads and returns the current value of DR0. This
> function is only available
> > - on IA-32 and X64. This returns a 32-bit value on
> IA-32 and a 64-bit value on
> > - X64.
> > -
> > - @return The value of Debug Register 0 (DR0).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmReadDr0 (
> > - VOID
> > - )
> > -{
> > - UINTN Data;
> > -
> > - __asm__ __volatile__ (
> > - "movl %%dr0, %0"
> > - : "=r" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of Debug Register 1 (DR1).
> > -
> > - Reads and returns the current value of DR1. This
> function is only available
> > - on IA-32 and X64. This returns a 32-bit value on
> IA-32 and a 64-bit value on
> > - X64.
> > -
> > - @return The value of Debug Register 1 (DR1).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmReadDr1 (
> > - VOID
> > - )
> > -{
> > - UINTN Data;
> > -
> > - __asm__ __volatile__ (
> > - "movl %%dr1, %0"
> > - : "=r" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of Debug Register 2 (DR2).
> > -
> > - Reads and returns the current value of DR2. This
> function is only available
> > - on IA-32 and X64. This returns a 32-bit value on
> IA-32 and a 64-bit value on
> > - X64.
> > -
> > - @return The value of Debug Register 2 (DR2).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmReadDr2 (
> > - VOID
> > - )
> > -{
> > - UINTN Data;
> > -
> > - __asm__ __volatile__ (
> > - "movl %%dr2, %0"
> > - : "=r" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of Debug Register 3 (DR3).
> > -
> > - Reads and returns the current value of DR3. This
> function is only available
> > - on IA-32 and X64. This returns a 32-bit value on
> IA-32 and a 64-bit value on
> > - X64.
> > -
> > - @return The value of Debug Register 3 (DR3).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmReadDr3 (
> > - VOID
> > - )
> > -{
> > - UINTN Data;
> > -
> > - __asm__ __volatile__ (
> > - "movl %%dr3, %0"
> > - : "=r" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of Debug Register 4 (DR4).
> > -
> > - Reads and returns the current value of DR4. This
> function is only available
> > - on IA-32 and X64. This returns a 32-bit value on
> IA-32 and a 64-bit value on
> > - X64.
> > -
> > - @return The value of Debug Register 4 (DR4).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmReadDr4 (
> > - VOID
> > - )
> > -{
> > - UINTN Data;
> > -
> > - __asm__ __volatile__ (
> > - "movl %%dr4, %0"
> > - : "=r" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of Debug Register 5 (DR5).
> > -
> > - Reads and returns the current value of DR5. This
> function is only available
> > - on IA-32 and X64. This returns a 32-bit value on
> IA-32 and a 64-bit value on
> > - X64.
> > -
> > - @return The value of Debug Register 5 (DR5).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmReadDr5 (
> > - VOID
> > - )
> > -{
> > - UINTN Data;
> > -
> > - __asm__ __volatile__ (
> > - "movl %%dr5, %0"
> > - : "=r" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of Debug Register 6 (DR6).
> > -
> > - Reads and returns the current value of DR6. This
> function is only available
> > - on IA-32 and X64. This returns a 32-bit value on
> IA-32 and a 64-bit value on
> > - X64.
> > -
> > - @return The value of Debug Register 6 (DR6).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmReadDr6 (
> > - VOID
> > - )
> > -{
> > - UINTN Data;
> > -
> > - __asm__ __volatile__ (
> > - "movl %%dr6, %0"
> > - : "=r" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of Debug Register 7 (DR7).
> > -
> > - Reads and returns the current value of DR7. This
> function is only available
> > - on IA-32 and X64. This returns a 32-bit value on
> IA-32 and a 64-bit value on
> > - X64.
> > -
> > - @return The value of Debug Register 7 (DR7).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmReadDr7 (
> > - VOID
> > - )
> > -{
> > - UINTN Data;
> > -
> > - __asm__ __volatile__ (
> > - "movl %%dr7, %0"
> > - : "=r" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Writes a value to Debug Register 0 (DR0).
> > -
> > - Writes and returns a new value to DR0. This
> function is only available on
> > - IA-32 and X64. This writes a 32-bit value on IA-32
> and a 64-bit value on X64.
> > -
> > - @param Dr0 The value to write to Dr0.
> > -
> > - @return The value written to Debug Register 0
> (DR0).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmWriteDr0 (
> > - UINTN Dr0
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "movl %0, %%dr0"
> > - :
> > - : "r" (Dr0)
> > - );
> > - return Dr0;
> > -}
> > -
> > -
> > -/**
> > - Writes a value to Debug Register 1 (DR1).
> > -
> > - Writes and returns a new value to DR1. This
> function is only available on
> > - IA-32 and X64. This writes a 32-bit value on IA-32
> and a 64-bit value on X64.
> > -
> > - @param Dr1 The value to write to Dr1.
> > -
> > - @return The value written to Debug Register 1
> (DR1).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmWriteDr1 (
> > - UINTN Dr1
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "movl %0, %%dr1"
> > - :
> > - : "r" (Dr1)
> > - );
> > - return Dr1;
> > -}
> > -
> > -
> > -/**
> > - Writes a value to Debug Register 2 (DR2).
> > -
> > - Writes and returns a new value to DR2. This
> function is only available on
> > - IA-32 and X64. This writes a 32-bit value on IA-32
> and a 64-bit value on X64.
> > -
> > - @param Dr2 The value to write to Dr2.
> > -
> > - @return The value written to Debug Register 2
> (DR2).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmWriteDr2 (
> > - UINTN Dr2
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "movl %0, %%dr2"
> > - :
> > - : "r" (Dr2)
> > - );
> > - return Dr2;
> > -}
> > -
> > -
> > -/**
> > - Writes a value to Debug Register 3 (DR3).
> > -
> > - Writes and returns a new value to DR3. This
> function is only available on
> > - IA-32 and X64. This writes a 32-bit value on IA-32
> and a 64-bit value on X64.
> > -
> > - @param Dr3 The value to write to Dr3.
> > -
> > - @return The value written to Debug Register 3
> (DR3).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmWriteDr3 (
> > - UINTN Dr3
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "movl %0, %%dr3"
> > - :
> > - : "r" (Dr3)
> > - );
> > - return Dr3;
> > -}
> > -
> > -
> > -/**
> > - Writes a value to Debug Register 4 (DR4).
> > -
> > - Writes and returns a new value to DR4. This
> function is only available on
> > - IA-32 and X64. This writes a 32-bit value on IA-32
> and a 64-bit value on X64.
> > -
> > - @param Dr4 The value to write to Dr4.
> > -
> > - @return The value written to Debug Register 4
> (DR4).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmWriteDr4 (
> > - UINTN Dr4
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "movl %0, %%dr4"
> > - :
> > - : "r" (Dr4)
> > - );
> > - return Dr4;
> > -}
> > -
> > -
> > -/**
> > - Writes a value to Debug Register 5 (DR5).
> > -
> > - Writes and returns a new value to DR5. This
> function is only available on
> > - IA-32 and X64. This writes a 32-bit value on IA-32
> and a 64-bit value on X64.
> > -
> > - @param Dr5 The value to write to Dr5.
> > -
> > - @return The value written to Debug Register 5
> (DR5).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmWriteDr5 (
> > - UINTN Dr5
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "movl %0, %%dr5"
> > - :
> > - : "r" (Dr5)
> > - );
> > - return Dr5;
> > -}
> > -
> > -
> > -/**
> > - Writes a value to Debug Register 6 (DR6).
> > -
> > - Writes and returns a new value to DR6. This
> function is only available on
> > - IA-32 and X64. This writes a 32-bit value on IA-32
> and a 64-bit value on X64.
> > -
> > - @param Dr6 The value to write to Dr6.
> > -
> > - @return The value written to Debug Register 6
> (DR6).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmWriteDr6 (
> > - UINTN Dr6
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "movl %0, %%dr6"
> > - :
> > - : "r" (Dr6)
> > - );
> > - return Dr6;
> > -}
> > -
> > -
> > -/**
> > - Writes a value to Debug Register 7 (DR7).
> > -
> > - Writes and returns a new value to DR7. This
> function is only available on
> > - IA-32 and X64. This writes a 32-bit value on IA-32
> and a 64-bit value on X64.
> > -
> > - @param Dr7 The value to write to Dr7.
> > -
> > - @return The value written to Debug Register 7
> (DR7).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmWriteDr7 (
> > - UINTN Dr7
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "movl %0, %%dr7"
> > - :
> > - : "r" (Dr7)
> > - );
> > - return Dr7;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of Code Segment Register
> (CS).
> > -
> > - Reads and returns the current value of CS. This
> function is only available on
> > - IA-32 and X64.
> > -
> > - @return The current value of CS.
> > -
> > -**/
> > -UINT16
> > -EFIAPI
> > -AsmReadCs (
> > - VOID
> > - )
> > -{
> > - UINT16 Data;
> > -
> > - __asm__ __volatile__ (
> > - "mov %%cs, %0"
> > - :"=a" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of Data Segment Register
> (DS).
> > -
> > - Reads and returns the current value of DS. This
> function is only available on
> > - IA-32 and X64.
> > -
> > - @return The current value of DS.
> > -
> > -**/
> > -UINT16
> > -EFIAPI
> > -AsmReadDs (
> > - VOID
> > - )
> > -{
> > - UINT16 Data;
> > -
> > - __asm__ __volatile__ (
> > - "mov %%ds, %0"
> > - :"=a" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of Extra Segment Register
> (ES).
> > -
> > - Reads and returns the current value of ES. This
> function is only available on
> > - IA-32 and X64.
> > -
> > - @return The current value of ES.
> > -
> > -**/
> > -UINT16
> > -EFIAPI
> > -AsmReadEs (
> > - VOID
> > - )
> > -{
> > - UINT16 Data;
> > -
> > - __asm__ __volatile__ (
> > - "mov %%es, %0"
> > - :"=a" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of FS Data Segment Register
> (FS).
> > -
> > - Reads and returns the current value of FS. This
> function is only available on
> > - IA-32 and X64.
> > -
> > - @return The current value of FS.
> > -
> > -**/
> > -UINT16
> > -EFIAPI
> > -AsmReadFs (
> > - VOID
> > - )
> > -{
> > - UINT16 Data;
> > -
> > - __asm__ __volatile__ (
> > - "mov %%fs, %0"
> > - :"=a" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of GS Data Segment Register
> (GS).
> > -
> > - Reads and returns the current value of GS. This
> function is only available on
> > - IA-32 and X64.
> > -
> > - @return The current value of GS.
> > -
> > -**/
> > -UINT16
> > -EFIAPI
> > -AsmReadGs (
> > - VOID
> > - )
> > -{
> > - UINT16 Data;
> > -
> > - __asm__ __volatile__ (
> > - "mov %%gs, %0"
> > - :"=a" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of Stack Segment Register
> (SS).
> > -
> > - Reads and returns the current value of SS. This
> function is only available on
> > - IA-32 and X64.
> > -
> > - @return The current value of SS.
> > -
> > -**/
> > -UINT16
> > -EFIAPI
> > -AsmReadSs (
> > - VOID
> > - )
> > -{
> > - UINT16 Data;
> > -
> > - __asm__ __volatile__ (
> > - "mov %%ds, %0"
> > - :"=a" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of Task Register (TR).
> > -
> > - Reads and returns the current value of TR. This
> function is only available on
> > - IA-32 and X64.
> > -
> > - @return The current value of TR.
> > -
> > -**/
> > -UINT16
> > -EFIAPI
> > -AsmReadTr (
> > - VOID
> > - )
> > -{
> > - UINT16 Data;
> > -
> > - __asm__ __volatile__ (
> > - "str %0"
> > - : "=a" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current Global Descriptor Table
> Register(GDTR) descriptor.
> > -
> > - Reads and returns the current GDTR descriptor and
> returns it in Gdtr. This
> > - function is only available on IA-32 and X64.
> > -
> > - @param Gdtr The pointer to a GDTR descriptor.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -InternalX86ReadGdtr (
> > - OUT IA32_DESCRIPTOR *Gdtr
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "sgdt %0"
> > - : "=m" (*Gdtr)
> > - );
> > -}
> > -
> > -
> > -/**
> > - Writes the current Global Descriptor Table Register
> (GDTR) descriptor.
> > -
> > - Writes and the current GDTR descriptor specified by
> Gdtr. This function is
> > - only available on IA-32 and X64.
> > -
> > - @param Gdtr The pointer to a GDTR descriptor.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -InternalX86WriteGdtr (
> > - IN CONST IA32_DESCRIPTOR *Gdtr
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "lgdt %0"
> > - :
> > - : "m" (*Gdtr)
> > - );
> > -
> > -}
> > -
> > -
> > -/**
> > - Reads the current Interrupt Descriptor Table
> Register(GDTR) descriptor.
> > -
> > - Reads and returns the current IDTR descriptor and
> returns it in Idtr. This
> > - function is only available on IA-32 and X64.
> > -
> > - @param Idtr The pointer to a IDTR descriptor.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -InternalX86ReadIdtr (
> > - OUT IA32_DESCRIPTOR *Idtr
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "sidt %0"
> > - : "=m" (*Idtr)
> > - );
> > -}
> > -
> > -
> > -/**
> > - Writes the current Interrupt Descriptor Table
> Register(GDTR) descriptor.
> > -
> > - Writes the current IDTR descriptor and returns it
> in Idtr. This function is
> > - only available on IA-32 and X64.
> > -
> > - @param Idtr The pointer to a IDTR descriptor.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -InternalX86WriteIdtr (
> > - IN CONST IA32_DESCRIPTOR *Idtr
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "lidt %0"
> > - :
> > - : "m" (*Idtr)
> > - );
> > -}
> > -
> > -
> > -/**
> > - Reads the current Local Descriptor Table
> Register(LDTR) selector.
> > -
> > - Reads and returns the current 16-bit LDTR
> descriptor value. This function is
> > - only available on IA-32 and X64.
> > -
> > - @return The current selector of LDT.
> > -
> > -**/
> > -UINT16
> > -EFIAPI
> > -AsmReadLdtr (
> > - VOID
> > - )
> > -{
> > - UINT16 Data;
> > -
> > - __asm__ __volatile__ (
> > - "sldt %0"
> > - : "=g" (Data) // %0
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Writes the current Local Descriptor Table Register
> (GDTR) selector.
> > -
> > - Writes and the current LDTR descriptor specified by
> Ldtr. This function is
> > - only available on IA-32 and X64.
> > -
> > - @param Ldtr 16-bit LDTR selector value.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -AsmWriteLdtr (
> > - IN UINT16 Ldtr
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "lldtw %0"
> > - :
> > - : "g" (Ldtr) // %0
> > - );
> > -}
> > -
> > -
> > /**
> > Save the current floating point/SSE/SSE2 context to
> a buffer.
> >
> > @@ -1650,116 +584,3 @@ AsmReadTsc (
> >
> > return Data;
> > }
> > -
> > -
> > -/**
> > - Reads the current value of a Performance Counter
> (PMC).
> > -
> > - Reads and returns the current value of performance
> counter specified by
> > - Index. This function is only available on IA-32 and
> X64.
> > -
> > - @param Index The 32-bit Performance Counter index
> to read.
> > -
> > - @return The value of the PMC specified by Index.
> > -
> > -**/
> > -UINT64
> > -EFIAPI
> > -AsmReadPmc (
> > - IN UINT32 Index
> > - )
> > -{
> > - UINT64 Data;
> > -
> > - __asm__ __volatile__ (
> > - "rdpmc"
> > - : "=A" (Data)
> > - : "c" (Index)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -
> > -
> > -/**
> > - Executes a WBINVD instruction.
> > -
> > - Executes a WBINVD instruction. This function is
> only available on IA-32 and
> > - X64.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -AsmWbinvd (
> > - VOID
> > - )
> > -{
> > - __asm__ __volatile__ ("wbinvd":::"memory");
> > -}
> > -
> > -
> > -/**
> > - Executes a INVD instruction.
> > -
> > - Executes a INVD instruction. This function is only
> available on IA-32 and
> > - X64.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -AsmInvd (
> > - VOID
> > - )
> > -{
> > - __asm__ __volatile__ ("invd":::"memory");
> > -
> > -}
> > -
> > -
> > -/**
> > - Flushes a cache line from all the instruction and
> data caches within the
> > - coherency domain of the CPU.
> > -
> > - Flushed the cache line specified by LinearAddress,
> and returns LinearAddress.
> > - This function is only available on IA-32 and X64.
> > -
> > - @param LinearAddress The address of the cache line
> to flush. If the CPU is
> > - in a physical addressing
> mode, then LinearAddress is a
> > - physical address. If the CPU
> is in a virtual
> > - addressing mode, then
> LinearAddress is a virtual
> > - address.
> > -
> > - @return LinearAddress
> > -**/
> > -VOID *
> > -EFIAPI
> > -AsmFlushCacheLine (
> > - IN VOID *LinearAddress
> > - )
> > -{
> > - UINT32 RegEdx;
> > -
> > - //
> > - // If the CPU does not support CLFLUSH instruction,
> > - // then promote flush range to flush entire cache.
> > - //
> > - AsmCpuid (0x01, NULL, NULL, NULL, &RegEdx);
> > - if ((RegEdx & BIT19) == 0) {
> > - __asm__ __volatile__ ("wbinvd":::"memory");
> > - return LinearAddress;
> > - }
> > -
> > -
> > - __asm__ __volatile__ (
> > - "clflush (%0)"
> > - : "+a" (LinearAddress)
> > - :
> > - : "memory"
> > - );
> > -
> > - return LinearAddress;
> > -}
> > -
> > -
> > diff --git a/MdePkg/Library/BaseLib/Ia32/GccInline.c
> b/MdePkg/Library/BaseLib/Ia32/GccInlinePriv.c
> > similarity index 62%
> > copy from MdePkg/Library/BaseLib/Ia32/GccInline.c
> > copy to MdePkg/Library/BaseLib/Ia32/GccInlinePriv.c
> > index 5287200f87..30aa63243b 100644
> > --- a/MdePkg/Library/BaseLib/Ia32/GccInline.c
> > +++ b/MdePkg/Library/BaseLib/Ia32/GccInlinePriv.c
> > @@ -1,7 +1,8 @@
> > /** @file
> > - GCC inline implementation of BaseLib processor
> specific functions.
> > + GCC inline implementation of BaseLib processor
> specific functions that use
> > + privlidged instructions.
> >
> > - Copyright (c) 2006 - 2018, Intel Corporation. All
> rights reserved.<BR>
> > + Copyright (c) 2006 - 2020, Intel Corporation. All
> rights reserved.<BR>
> > Portions copyright (c) 2008 - 2009, Apple Inc. All
> rights reserved.<BR>
> > SPDX-License-Identifier: BSD-2-Clause-Patent
> >
> > @@ -10,28 +11,6 @@
> >
> > #include "BaseLibInternals.h"
> >
> > -
> > -
> > -/**
> > - Used to serialize load and store operations.
> > -
> > - All loads and stores that proceed calls to this
> function are guaranteed to be
> > - globally visible when this function returns.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -MemoryFence (
> > - VOID
> > - )
> > -{
> > - // This is a little bit of overkill and it is more
> about the compiler that it is
> > - // actually processor synchronization. This is like
> the _ReadWriteBarrier
> > - // Microsoft specific intrinsic
> > - __asm__ __volatile__ ("":::"memory");
> > -}
> > -
> > -
> > /**
> > Enables CPU interrupts.
> >
> > @@ -63,44 +42,6 @@ DisableInterrupts (
> > __asm__ __volatile__ ("cli"::: "memory");
> > }
> >
> > -
> > -
> > -
> > -/**
> > - Requests CPU to pause for a short period of time.
> > -
> > - Requests CPU to pause for a short period of time.
> Typically used in MP
> > - systems to prevent memory starvation while waiting
> for a spin lock.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -CpuPause (
> > - VOID
> > - )
> > -{
> > - __asm__ __volatile__ ("pause");
> > -}
> > -
> > -
> > -/**
> > - Generates a breakpoint on the CPU.
> > -
> > - Generates a breakpoint on the CPU. The breakpoint
> must be implemented such
> > - that code can resume normal execution after the
> breakpoint.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -CpuBreakpoint (
> > - VOID
> > - )
> > -{
> > - __asm__ __volatile__ ("int $3");
> > -}
> > -
> > -
> > -
> > /**
> > Returns a 64-bit Machine Specific Register(MSR).
> >
> > @@ -166,37 +107,6 @@ AsmWriteMsr64 (
> > return Value;
> > }
> >
> > -
> > -
> > -/**
> > - Reads the current value of the EFLAGS register.
> > -
> > - Reads and returns the current value of the EFLAGS
> register. This function is
> > - only available on IA-32 and X64. This returns a 32-
> bit value on IA-32 and a
> > - 64-bit value on X64.
> > -
> > - @return EFLAGS on IA-32 or RFLAGS on X64.
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmReadEflags (
> > - VOID
> > - )
> > -{
> > - UINTN Eflags;
> > -
> > - __asm__ __volatile__ (
> > - "pushfl \n\t"
> > - "popl %0 "
> > - : "=r" (Eflags)
> > - );
> > -
> > - return Eflags;
> > -}
> > -
> > -
> > -
> > /**
> > Reads the current value of the Control Register 0
> (CR0).
> >
> > @@ -1153,505 +1063,6 @@ AsmWriteLdtr (
> > );
> > }
> >
> > -
> > -/**
> > - Save the current floating point/SSE/SSE2 context to
> a buffer.
> > -
> > - Saves the current floating point/SSE/SSE2 state to
> the buffer specified by
> > - Buffer. Buffer must be aligned on a 16-byte
> boundary. This function is only
> > - available on IA-32 and X64.
> > -
> > - @param Buffer The pointer to a buffer to save the
> floating point/SSE/SSE2 context.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -InternalX86FxSave (
> > - OUT IA32_FX_BUFFER *Buffer
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "fxsave %0"
> > - :
> > - : "m" (*Buffer) // %0
> > - );
> > -}
> > -
> > -
> > -/**
> > - Restores the current floating point/SSE/SSE2
> context from a buffer.
> > -
> > - Restores the current floating point/SSE/SSE2 state
> from the buffer specified
> > - by Buffer. Buffer must be aligned on a 16-byte
> boundary. This function is
> > - only available on IA-32 and X64.
> > -
> > - @param Buffer The pointer to a buffer to save the
> floating point/SSE/SSE2 context.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -InternalX86FxRestore (
> > - IN CONST IA32_FX_BUFFER *Buffer
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "fxrstor %0"
> > - :
> > - : "m" (*Buffer) // %0
> > - );
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of 64-bit MMX Register #0
> (MM0).
> > -
> > - Reads and returns the current value of MM0. This
> function is only available
> > - on IA-32 and X64.
> > -
> > - @return The current value of MM0.
> > -
> > -**/
> > -UINT64
> > -EFIAPI
> > -AsmReadMm0 (
> > - VOID
> > - )
> > -{
> > - UINT64 Data;
> > -
> > - __asm__ __volatile__ (
> > - "push %%eax \n\t"
> > - "push %%eax \n\t"
> > - "movq %%mm0, (%%esp)\n\t"
> > - "pop %%eax \n\t"
> > - "pop %%edx \n\t"
> > - : "=A" (Data) // %0
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of 64-bit MMX Register #1
> (MM1).
> > -
> > - Reads and returns the current value of MM1. This
> function is only available
> > - on IA-32 and X64.
> > -
> > - @return The current value of MM1.
> > -
> > -**/
> > -UINT64
> > -EFIAPI
> > -AsmReadMm1 (
> > - VOID
> > - )
> > -{
> > - UINT64 Data;
> > -
> > - __asm__ __volatile__ (
> > - "push %%eax \n\t"
> > - "push %%eax \n\t"
> > - "movq %%mm1, (%%esp)\n\t"
> > - "pop %%eax \n\t"
> > - "pop %%edx \n\t"
> > - : "=A" (Data) // %0
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of 64-bit MMX Register #2
> (MM2).
> > -
> > - Reads and returns the current value of MM2. This
> function is only available
> > - on IA-32 and X64.
> > -
> > - @return The current value of MM2.
> > -
> > -**/
> > -UINT64
> > -EFIAPI
> > -AsmReadMm2 (
> > - VOID
> > - )
> > -{
> > - UINT64 Data;
> > -
> > - __asm__ __volatile__ (
> > - "push %%eax \n\t"
> > - "push %%eax \n\t"
> > - "movq %%mm2, (%%esp)\n\t"
> > - "pop %%eax \n\t"
> > - "pop %%edx \n\t"
> > - : "=A" (Data) // %0
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of 64-bit MMX Register #3
> (MM3).
> > -
> > - Reads and returns the current value of MM3. This
> function is only available
> > - on IA-32 and X64.
> > -
> > - @return The current value of MM3.
> > -
> > -**/
> > -UINT64
> > -EFIAPI
> > -AsmReadMm3 (
> > - VOID
> > - )
> > -{
> > - UINT64 Data;
> > -
> > - __asm__ __volatile__ (
> > - "push %%eax \n\t"
> > - "push %%eax \n\t"
> > - "movq %%mm3, (%%esp)\n\t"
> > - "pop %%eax \n\t"
> > - "pop %%edx \n\t"
> > - : "=A" (Data) // %0
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of 64-bit MMX Register #4
> (MM4).
> > -
> > - Reads and returns the current value of MM4. This
> function is only available
> > - on IA-32 and X64.
> > -
> > - @return The current value of MM4.
> > -
> > -**/
> > -UINT64
> > -EFIAPI
> > -AsmReadMm4 (
> > - VOID
> > - )
> > -{
> > - UINT64 Data;
> > -
> > - __asm__ __volatile__ (
> > - "push %%eax \n\t"
> > - "push %%eax \n\t"
> > - "movq %%mm4, (%%esp)\n\t"
> > - "pop %%eax \n\t"
> > - "pop %%edx \n\t"
> > - : "=A" (Data) // %0
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of 64-bit MMX Register #5
> (MM5).
> > -
> > - Reads and returns the current value of MM5. This
> function is only available
> > - on IA-32 and X64.
> > -
> > - @return The current value of MM5.
> > -
> > -**/
> > -UINT64
> > -EFIAPI
> > -AsmReadMm5 (
> > - VOID
> > - )
> > -{
> > - UINT64 Data;
> > -
> > - __asm__ __volatile__ (
> > - "push %%eax \n\t"
> > - "push %%eax \n\t"
> > - "movq %%mm5, (%%esp)\n\t"
> > - "pop %%eax \n\t"
> > - "pop %%edx \n\t"
> > - : "=A" (Data) // %0
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of 64-bit MMX Register #6
> (MM6).
> > -
> > - Reads and returns the current value of MM6. This
> function is only available
> > - on IA-32 and X64.
> > -
> > - @return The current value of MM6.
> > -
> > -**/
> > -UINT64
> > -EFIAPI
> > -AsmReadMm6 (
> > - VOID
> > - )
> > -{
> > - UINT64 Data;
> > -
> > - __asm__ __volatile__ (
> > - "push %%eax \n\t"
> > - "push %%eax \n\t"
> > - "movq %%mm6, (%%esp)\n\t"
> > - "pop %%eax \n\t"
> > - "pop %%edx \n\t"
> > - : "=A" (Data) // %0
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of 64-bit MMX Register #7
> (MM7).
> > -
> > - Reads and returns the current value of MM7. This
> function is only available
> > - on IA-32 and X64.
> > -
> > - @return The current value of MM7.
> > -
> > -**/
> > -UINT64
> > -EFIAPI
> > -AsmReadMm7 (
> > - VOID
> > - )
> > -{
> > - UINT64 Data;
> > -
> > - __asm__ __volatile__ (
> > - "push %%eax \n\t"
> > - "push %%eax \n\t"
> > - "movq %%mm7, (%%esp)\n\t"
> > - "pop %%eax \n\t"
> > - "pop %%edx \n\t"
> > - : "=A" (Data) // %0
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Writes the current value of 64-bit MMX Register #0
> (MM0).
> > -
> > - Writes the current value of MM0. This function is
> only available on IA32 and
> > - X64.
> > -
> > - @param Value The 64-bit value to write to MM0.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -AsmWriteMm0 (
> > - IN UINT64 Value
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "movq %0, %%mm0" // %0
> > - :
> > - : "m" (Value)
> > - );
> > -}
> > -
> > -
> > -/**
> > - Writes the current value of 64-bit MMX Register #1
> (MM1).
> > -
> > - Writes the current value of MM1. This function is
> only available on IA32 and
> > - X64.
> > -
> > - @param Value The 64-bit value to write to MM1.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -AsmWriteMm1 (
> > - IN UINT64 Value
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "movq %0, %%mm1" // %0
> > - :
> > - : "m" (Value)
> > - );
> > -}
> > -
> > -
> > -/**
> > - Writes the current value of 64-bit MMX Register #2
> (MM2).
> > -
> > - Writes the current value of MM2. This function is
> only available on IA32 and
> > - X64.
> > -
> > - @param Value The 64-bit value to write to MM2.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -AsmWriteMm2 (
> > - IN UINT64 Value
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "movq %0, %%mm2" // %0
> > - :
> > - : "m" (Value)
> > - );
> > -}
> > -
> > -
> > -/**
> > - Writes the current value of 64-bit MMX Register #3
> (MM3).
> > -
> > - Writes the current value of MM3. This function is
> only available on IA32 and
> > - X64.
> > -
> > - @param Value The 64-bit value to write to MM3.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -AsmWriteMm3 (
> > - IN UINT64 Value
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "movq %0, %%mm3" // %0
> > - :
> > - : "m" (Value)
> > - );
> > -}
> > -
> > -
> > -/**
> > - Writes the current value of 64-bit MMX Register #4
> (MM4).
> > -
> > - Writes the current value of MM4. This function is
> only available on IA32 and
> > - X64.
> > -
> > - @param Value The 64-bit value to write to MM4.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -AsmWriteMm4 (
> > - IN UINT64 Value
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "movq %0, %%mm4" // %0
> > - :
> > - : "m" (Value)
> > - );
> > -}
> > -
> > -
> > -/**
> > - Writes the current value of 64-bit MMX Register #5
> (MM5).
> > -
> > - Writes the current value of MM5. This function is
> only available on IA32 and
> > - X64.
> > -
> > - @param Value The 64-bit value to write to MM5.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -AsmWriteMm5 (
> > - IN UINT64 Value
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "movq %0, %%mm5" // %0
> > - :
> > - : "m" (Value)
> > - );
> > -}
> > -
> > -
> > -/**
> > - Writes the current value of 64-bit MMX Register #6
> (MM6).
> > -
> > - Writes the current value of MM6. This function is
> only available on IA32 and
> > - X64.
> > -
> > - @param Value The 64-bit value to write to MM6.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -AsmWriteMm6 (
> > - IN UINT64 Value
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "movq %0, %%mm6" // %0
> > - :
> > - : "m" (Value)
> > - );
> > -}
> > -
> > -
> > -/**
> > - Writes the current value of 64-bit MMX Register #7
> (MM7).
> > -
> > - Writes the current value of MM7. This function is
> only available on IA32 and
> > - X64.
> > -
> > - @param Value The 64-bit value to write to MM7.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -AsmWriteMm7 (
> > - IN UINT64 Value
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "movq %0, %%mm7" // %0
> > - :
> > - : "m" (Value)
> > - );
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of Time Stamp Counter
> (TSC).
> > -
> > - Reads and returns the current value of TSC. This
> function is only available
> > - on IA-32 and X64.
> > -
> > - @return The current value of TSC
> > -
> > -**/
> > -UINT64
> > -EFIAPI
> > -AsmReadTsc (
> > - VOID
> > - )
> > -{
> > - UINT64 Data;
> > -
> > - __asm__ __volatile__ (
> > - "rdtsc"
> > - : "=A" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > /**
> > Reads the current value of a Performance Counter
> (PMC).
> >
> > @@ -1680,9 +1091,6 @@ AsmReadPmc (
> > return Data;
> > }
> >
> > -
> > -
> > -
> > /**
> > Executes a WBINVD instruction.
> >
> > @@ -1699,7 +1107,6 @@ AsmWbinvd (
> > __asm__ __volatile__ ("wbinvd":::"memory");
> > }
> >
> > -
> > /**
> > Executes a INVD instruction.
> >
> > @@ -1761,5 +1168,3 @@ AsmFlushCacheLine (
> >
> > return LinearAddress;
> > }
> > -
> > -
> > diff --git a/MdePkg/Library/BaseLib/X64/GccInline.c
> b/MdePkg/Library/BaseLib/X64/GccInline.c
> > index 154ce1f57e..40a208f198 100644
> > --- a/MdePkg/Library/BaseLib/X64/GccInline.c
> > +++ b/MdePkg/Library/BaseLib/X64/GccInline.c
> > @@ -1,7 +1,7 @@
> > /** @file
> > GCC inline implementation of BaseLib processor
> specific functions.
> >
> > - Copyright (c) 2006 - 2018, Intel Corporation. All
> rights reserved.<BR>
> > + Copyright (c) 2006 - 2020, Intel Corporation. All
> rights reserved.<BR>
> > Portions copyright (c) 2008 - 2009, Apple Inc. All
> rights reserved.<BR>
> > SPDX-License-Identifier: BSD-2-Clause-Patent
> >
> > @@ -33,40 +33,6 @@ MemoryFence (
> > }
> >
> >
> > -/**
> > - Enables CPU interrupts.
> > -
> > - Enables CPU interrupts.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -EnableInterrupts (
> > - VOID
> > - )
> > -{
> > - __asm__ __volatile__ ("sti"::: "memory");
> > -}
> > -
> > -
> > -/**
> > - Disables CPU interrupts.
> > -
> > - Disables CPU interrupts.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -DisableInterrupts (
> > - VOID
> > - )
> > -{
> > - __asm__ __volatile__ ("cli"::: "memory");
> > -}
> > -
> > -
> > -
> > -
> > /**
> > Requests CPU to pause for a short period of time.
> >
> > @@ -101,83 +67,6 @@ CpuBreakpoint (
> > }
> >
> >
> > -
> > -/**
> > - Returns a 64-bit Machine Specific Register(MSR).
> > -
> > - Reads and returns the 64-bit MSR specified by
> Index. No parameter checking is
> > - performed on Index, and some Index values may cause
> CPU exceptions. The
> > - caller must either guarantee that Index is valid,
> or the caller must set up
> > - exception handlers to catch the exceptions. This
> function is only available
> > - on IA-32 and X64.
> > -
> > - @param Index The 32-bit MSR index to read.
> > -
> > - @return The value of the MSR identified by Index.
> > -
> > -**/
> > -UINT64
> > -EFIAPI
> > -AsmReadMsr64 (
> > - IN UINT32 Index
> > - )
> > -{
> > - UINT32 LowData;
> > - UINT32 HighData;
> > -
> > - __asm__ __volatile__ (
> > - "rdmsr"
> > - : "=a" (LowData), // %0
> > - "=d" (HighData) // %1
> > - : "c" (Index) // %2
> > - );
> > -
> > - return (((UINT64)HighData) << 32) | LowData;
> > -}
> > -
> > -/**
> > - Writes a 64-bit value to a Machine Specific
> Register(MSR), and returns the
> > - value.
> > -
> > - Writes the 64-bit value specified by Value to the
> MSR specified by Index. The
> > - 64-bit value written to the MSR is returned. No
> parameter checking is
> > - performed on Index or Value, and some of these may
> cause CPU exceptions. The
> > - caller must either guarantee that Index and Value
> are valid, or the caller
> > - must establish proper exception handlers. This
> function is only available on
> > - IA-32 and X64.
> > -
> > - @param Index The 32-bit MSR index to write.
> > - @param Value The 64-bit value to write to the MSR.
> > -
> > - @return Value
> > -
> > -**/
> > -UINT64
> > -EFIAPI
> > -AsmWriteMsr64 (
> > - IN UINT32 Index,
> > - IN UINT64 Value
> > - )
> > -{
> > - UINT32 LowData;
> > - UINT32 HighData;
> > -
> > - LowData = (UINT32)(Value);
> > - HighData = (UINT32)(Value >> 32);
> > -
> > - __asm__ __volatile__ (
> > - "wrmsr"
> > - :
> > - : "c" (Index),
> > - "a" (LowData),
> > - "d" (HighData)
> > - );
> > -
> > - return Value;
> > -}
> > -
> > -
> > -
> > /**
> > Reads the current value of the EFLAGS register.
> >
> > @@ -205,965 +94,6 @@ AsmReadEflags (
> > return Eflags;
> > }
> >
> > -
> > -
> > -/**
> > - Reads the current value of the Control Register 0
> (CR0).
> > -
> > - Reads and returns the current value of CR0. This
> function is only available
> > - on IA-32 and X64. This returns a 32-bit value on
> IA-32 and a 64-bit value on
> > - X64.
> > -
> > - @return The value of the Control Register 0 (CR0).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmReadCr0 (
> > - VOID
> > - )
> > -{
> > - UINTN Data;
> > -
> > - __asm__ __volatile__ (
> > - "mov %%cr0,%0"
> > - : "=r" (Data) // %0
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of the Control Register 2
> (CR2).
> > -
> > - Reads and returns the current value of CR2. This
> function is only available
> > - on IA-32 and X64. This returns a 32-bit value on
> IA-32 and a 64-bit value on
> > - X64.
> > -
> > - @return The value of the Control Register 2 (CR2).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmReadCr2 (
> > - VOID
> > - )
> > -{
> > - UINTN Data;
> > -
> > - __asm__ __volatile__ (
> > - "mov %%cr2, %0"
> > - : "=r" (Data) // %0
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -/**
> > - Reads the current value of the Control Register 3
> (CR3).
> > -
> > - Reads and returns the current value of CR3. This
> function is only available
> > - on IA-32 and X64. This returns a 32-bit value on
> IA-32 and a 64-bit value on
> > - X64.
> > -
> > - @return The value of the Control Register 3 (CR3).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmReadCr3 (
> > - VOID
> > - )
> > -{
> > - UINTN Data;
> > -
> > - __asm__ __volatile__ (
> > - "mov %%cr3, %0"
> > - : "=r" (Data) // %0
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of the Control Register 4
> (CR4).
> > -
> > - Reads and returns the current value of CR4. This
> function is only available
> > - on IA-32 and X64. This returns a 32-bit value on
> IA-32 and a 64-bit value on
> > - X64.
> > -
> > - @return The value of the Control Register 4 (CR4).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmReadCr4 (
> > - VOID
> > - )
> > -{
> > - UINTN Data;
> > -
> > - __asm__ __volatile__ (
> > - "mov %%cr4, %0"
> > - : "=r" (Data) // %0
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Writes a value to Control Register 0 (CR0).
> > -
> > - Writes and returns a new value to CR0. This
> function is only available on
> > - IA-32 and X64. This writes a 32-bit value on IA-32
> and a 64-bit value on X64.
> > -
> > - @param Cr0 The value to write to CR0.
> > -
> > - @return The value written to CR0.
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmWriteCr0 (
> > - UINTN Cr0
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "mov %0, %%cr0"
> > - :
> > - : "r" (Cr0)
> > - );
> > - return Cr0;
> > -}
> > -
> > -
> > -/**
> > - Writes a value to Control Register 2 (CR2).
> > -
> > - Writes and returns a new value to CR2. This
> function is only available on
> > - IA-32 and X64. This writes a 32-bit value on IA-32
> and a 64-bit value on X64.
> > -
> > - @param Cr2 The value to write to CR2.
> > -
> > - @return The value written to CR2.
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmWriteCr2 (
> > - UINTN Cr2
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "mov %0, %%cr2"
> > - :
> > - : "r" (Cr2)
> > - );
> > - return Cr2;
> > -}
> > -
> > -
> > -/**
> > - Writes a value to Control Register 3 (CR3).
> > -
> > - Writes and returns a new value to CR3. This
> function is only available on
> > - IA-32 and X64. This writes a 32-bit value on IA-32
> and a 64-bit value on X64.
> > -
> > - @param Cr3 The value to write to CR3.
> > -
> > - @return The value written to CR3.
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmWriteCr3 (
> > - UINTN Cr3
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "mov %0, %%cr3"
> > - :
> > - : "r" (Cr3)
> > - );
> > - return Cr3;
> > -}
> > -
> > -
> > -/**
> > - Writes a value to Control Register 4 (CR4).
> > -
> > - Writes and returns a new value to CR4. This
> function is only available on
> > - IA-32 and X64. This writes a 32-bit value on IA-32
> and a 64-bit value on X64.
> > -
> > - @param Cr4 The value to write to CR4.
> > -
> > - @return The value written to CR4.
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmWriteCr4 (
> > - UINTN Cr4
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "mov %0, %%cr4"
> > - :
> > - : "r" (Cr4)
> > - );
> > - return Cr4;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of Debug Register 0 (DR0).
> > -
> > - Reads and returns the current value of DR0. This
> function is only available
> > - on IA-32 and X64. This returns a 32-bit value on
> IA-32 and a 64-bit value on
> > - X64.
> > -
> > - @return The value of Debug Register 0 (DR0).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmReadDr0 (
> > - VOID
> > - )
> > -{
> > - UINTN Data;
> > -
> > - __asm__ __volatile__ (
> > - "mov %%dr0, %0"
> > - : "=r" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of Debug Register 1 (DR1).
> > -
> > - Reads and returns the current value of DR1. This
> function is only available
> > - on IA-32 and X64. This returns a 32-bit value on
> IA-32 and a 64-bit value on
> > - X64.
> > -
> > - @return The value of Debug Register 1 (DR1).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmReadDr1 (
> > - VOID
> > - )
> > -{
> > - UINTN Data;
> > -
> > - __asm__ __volatile__ (
> > - "mov %%dr1, %0"
> > - : "=r" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of Debug Register 2 (DR2).
> > -
> > - Reads and returns the current value of DR2. This
> function is only available
> > - on IA-32 and X64. This returns a 32-bit value on
> IA-32 and a 64-bit value on
> > - X64.
> > -
> > - @return The value of Debug Register 2 (DR2).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmReadDr2 (
> > - VOID
> > - )
> > -{
> > - UINTN Data;
> > -
> > - __asm__ __volatile__ (
> > - "mov %%dr2, %0"
> > - : "=r" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of Debug Register 3 (DR3).
> > -
> > - Reads and returns the current value of DR3. This
> function is only available
> > - on IA-32 and X64. This returns a 32-bit value on
> IA-32 and a 64-bit value on
> > - X64.
> > -
> > - @return The value of Debug Register 3 (DR3).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmReadDr3 (
> > - VOID
> > - )
> > -{
> > - UINTN Data;
> > -
> > - __asm__ __volatile__ (
> > - "mov %%dr3, %0"
> > - : "=r" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of Debug Register 4 (DR4).
> > -
> > - Reads and returns the current value of DR4. This
> function is only available
> > - on IA-32 and X64. This returns a 32-bit value on
> IA-32 and a 64-bit value on
> > - X64.
> > -
> > - @return The value of Debug Register 4 (DR4).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmReadDr4 (
> > - VOID
> > - )
> > -{
> > - UINTN Data;
> > -
> > - __asm__ __volatile__ (
> > - "mov %%dr4, %0"
> > - : "=r" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of Debug Register 5 (DR5).
> > -
> > - Reads and returns the current value of DR5. This
> function is only available
> > - on IA-32 and X64. This returns a 32-bit value on
> IA-32 and a 64-bit value on
> > - X64.
> > -
> > - @return The value of Debug Register 5 (DR5).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmReadDr5 (
> > - VOID
> > - )
> > -{
> > - UINTN Data;
> > -
> > - __asm__ __volatile__ (
> > - "mov %%dr5, %0"
> > - : "=r" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of Debug Register 6 (DR6).
> > -
> > - Reads and returns the current value of DR6. This
> function is only available
> > - on IA-32 and X64. This returns a 32-bit value on
> IA-32 and a 64-bit value on
> > - X64.
> > -
> > - @return The value of Debug Register 6 (DR6).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmReadDr6 (
> > - VOID
> > - )
> > -{
> > - UINTN Data;
> > -
> > - __asm__ __volatile__ (
> > - "mov %%dr6, %0"
> > - : "=r" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of Debug Register 7 (DR7).
> > -
> > - Reads and returns the current value of DR7. This
> function is only available
> > - on IA-32 and X64. This returns a 32-bit value on
> IA-32 and a 64-bit value on
> > - X64.
> > -
> > - @return The value of Debug Register 7 (DR7).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmReadDr7 (
> > - VOID
> > - )
> > -{
> > - UINTN Data;
> > -
> > - __asm__ __volatile__ (
> > - "mov %%dr7, %0"
> > - : "=r" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Writes a value to Debug Register 0 (DR0).
> > -
> > - Writes and returns a new value to DR0. This
> function is only available on
> > - IA-32 and X64. This writes a 32-bit value on IA-32
> and a 64-bit value on X64.
> > -
> > - @param Dr0 The value to write to Dr0.
> > -
> > - @return The value written to Debug Register 0
> (DR0).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmWriteDr0 (
> > - UINTN Dr0
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "mov %0, %%dr0"
> > - :
> > - : "r" (Dr0)
> > - );
> > - return Dr0;
> > -}
> > -
> > -
> > -/**
> > - Writes a value to Debug Register 1 (DR1).
> > -
> > - Writes and returns a new value to DR1. This
> function is only available on
> > - IA-32 and X64. This writes a 32-bit value on IA-32
> and a 64-bit value on X64.
> > -
> > - @param Dr1 The value to write to Dr1.
> > -
> > - @return The value written to Debug Register 1
> (DR1).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmWriteDr1 (
> > - UINTN Dr1
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "mov %0, %%dr1"
> > - :
> > - : "r" (Dr1)
> > - );
> > - return Dr1;
> > -}
> > -
> > -
> > -/**
> > - Writes a value to Debug Register 2 (DR2).
> > -
> > - Writes and returns a new value to DR2. This
> function is only available on
> > - IA-32 and X64. This writes a 32-bit value on IA-32
> and a 64-bit value on X64.
> > -
> > - @param Dr2 The value to write to Dr2.
> > -
> > - @return The value written to Debug Register 2
> (DR2).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmWriteDr2 (
> > - UINTN Dr2
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "mov %0, %%dr2"
> > - :
> > - : "r" (Dr2)
> > - );
> > - return Dr2;
> > -}
> > -
> > -
> > -/**
> > - Writes a value to Debug Register 3 (DR3).
> > -
> > - Writes and returns a new value to DR3. This
> function is only available on
> > - IA-32 and X64. This writes a 32-bit value on IA-32
> and a 64-bit value on X64.
> > -
> > - @param Dr3 The value to write to Dr3.
> > -
> > - @return The value written to Debug Register 3
> (DR3).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmWriteDr3 (
> > - UINTN Dr3
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "mov %0, %%dr3"
> > - :
> > - : "r" (Dr3)
> > - );
> > - return Dr3;
> > -}
> > -
> > -
> > -/**
> > - Writes a value to Debug Register 4 (DR4).
> > -
> > - Writes and returns a new value to DR4. This
> function is only available on
> > - IA-32 and X64. This writes a 32-bit value on IA-32
> and a 64-bit value on X64.
> > -
> > - @param Dr4 The value to write to Dr4.
> > -
> > - @return The value written to Debug Register 4
> (DR4).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmWriteDr4 (
> > - UINTN Dr4
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "mov %0, %%dr4"
> > - :
> > - : "r" (Dr4)
> > - );
> > - return Dr4;
> > -}
> > -
> > -
> > -/**
> > - Writes a value to Debug Register 5 (DR5).
> > -
> > - Writes and returns a new value to DR5. This
> function is only available on
> > - IA-32 and X64. This writes a 32-bit value on IA-32
> and a 64-bit value on X64.
> > -
> > - @param Dr5 The value to write to Dr5.
> > -
> > - @return The value written to Debug Register 5
> (DR5).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmWriteDr5 (
> > - UINTN Dr5
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "mov %0, %%dr5"
> > - :
> > - : "r" (Dr5)
> > - );
> > - return Dr5;
> > -}
> > -
> > -
> > -/**
> > - Writes a value to Debug Register 6 (DR6).
> > -
> > - Writes and returns a new value to DR6. This
> function is only available on
> > - IA-32 and X64. This writes a 32-bit value on IA-32
> and a 64-bit value on X64.
> > -
> > - @param Dr6 The value to write to Dr6.
> > -
> > - @return The value written to Debug Register 6
> (DR6).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmWriteDr6 (
> > - UINTN Dr6
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "mov %0, %%dr6"
> > - :
> > - : "r" (Dr6)
> > - );
> > - return Dr6;
> > -}
> > -
> > -
> > -/**
> > - Writes a value to Debug Register 7 (DR7).
> > -
> > - Writes and returns a new value to DR7. This
> function is only available on
> > - IA-32 and X64. This writes a 32-bit value on IA-32
> and a 64-bit value on X64.
> > -
> > - @param Dr7 The value to write to Dr7.
> > -
> > - @return The value written to Debug Register 7
> (DR7).
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmWriteDr7 (
> > - UINTN Dr7
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "mov %0, %%dr7"
> > - :
> > - : "r" (Dr7)
> > - );
> > - return Dr7;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of Code Segment Register
> (CS).
> > -
> > - Reads and returns the current value of CS. This
> function is only available on
> > - IA-32 and X64.
> > -
> > - @return The current value of CS.
> > -
> > -**/
> > -UINT16
> > -EFIAPI
> > -AsmReadCs (
> > - VOID
> > - )
> > -{
> > - UINT16 Data;
> > -
> > - __asm__ __volatile__ (
> > - "mov %%cs, %0"
> > - :"=a" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of Data Segment Register
> (DS).
> > -
> > - Reads and returns the current value of DS. This
> function is only available on
> > - IA-32 and X64.
> > -
> > - @return The current value of DS.
> > -
> > -**/
> > -UINT16
> > -EFIAPI
> > -AsmReadDs (
> > - VOID
> > - )
> > -{
> > - UINT16 Data;
> > -
> > - __asm__ __volatile__ (
> > - "mov %%ds, %0"
> > - :"=a" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of Extra Segment Register
> (ES).
> > -
> > - Reads and returns the current value of ES. This
> function is only available on
> > - IA-32 and X64.
> > -
> > - @return The current value of ES.
> > -
> > -**/
> > -UINT16
> > -EFIAPI
> > -AsmReadEs (
> > - VOID
> > - )
> > -{
> > - UINT16 Data;
> > -
> > - __asm__ __volatile__ (
> > - "mov %%es, %0"
> > - :"=a" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of FS Data Segment Register
> (FS).
> > -
> > - Reads and returns the current value of FS. This
> function is only available on
> > - IA-32 and X64.
> > -
> > - @return The current value of FS.
> > -
> > -**/
> > -UINT16
> > -EFIAPI
> > -AsmReadFs (
> > - VOID
> > - )
> > -{
> > - UINT16 Data;
> > -
> > - __asm__ __volatile__ (
> > - "mov %%fs, %0"
> > - :"=a" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of GS Data Segment Register
> (GS).
> > -
> > - Reads and returns the current value of GS. This
> function is only available on
> > - IA-32 and X64.
> > -
> > - @return The current value of GS.
> > -
> > -**/
> > -UINT16
> > -EFIAPI
> > -AsmReadGs (
> > - VOID
> > - )
> > -{
> > - UINT16 Data;
> > -
> > - __asm__ __volatile__ (
> > - "mov %%gs, %0"
> > - :"=a" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of Stack Segment Register
> (SS).
> > -
> > - Reads and returns the current value of SS. This
> function is only available on
> > - IA-32 and X64.
> > -
> > - @return The current value of SS.
> > -
> > -**/
> > -UINT16
> > -EFIAPI
> > -AsmReadSs (
> > - VOID
> > - )
> > -{
> > - UINT16 Data;
> > -
> > - __asm__ __volatile__ (
> > - "mov %%ds, %0"
> > - :"=a" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of Task Register (TR).
> > -
> > - Reads and returns the current value of TR. This
> function is only available on
> > - IA-32 and X64.
> > -
> > - @return The current value of TR.
> > -
> > -**/
> > -UINT16
> > -EFIAPI
> > -AsmReadTr (
> > - VOID
> > - )
> > -{
> > - UINT16 Data;
> > -
> > - __asm__ __volatile__ (
> > - "str %0"
> > - : "=r" (Data)
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current Global Descriptor Table
> Register(GDTR) descriptor.
> > -
> > - Reads and returns the current GDTR descriptor and
> returns it in Gdtr. This
> > - function is only available on IA-32 and X64.
> > -
> > - @param Gdtr The pointer to a GDTR descriptor.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -InternalX86ReadGdtr (
> > - OUT IA32_DESCRIPTOR *Gdtr
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "sgdt %0"
> > - : "=m" (*Gdtr)
> > - );
> > -}
> > -
> > -
> > -/**
> > - Writes the current Global Descriptor Table Register
> (GDTR) descriptor.
> > -
> > - Writes and the current GDTR descriptor specified by
> Gdtr. This function is
> > - only available on IA-32 and X64.
> > -
> > - @param Gdtr The pointer to a GDTR descriptor.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -InternalX86WriteGdtr (
> > - IN CONST IA32_DESCRIPTOR *Gdtr
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "lgdt %0"
> > - :
> > - : "m" (*Gdtr)
> > - );
> > -
> > -}
> > -
> > -
> > -/**
> > - Reads the current Interrupt Descriptor Table
> Register(GDTR) descriptor.
> > -
> > - Reads and returns the current IDTR descriptor and
> returns it in Idtr. This
> > - function is only available on IA-32 and X64.
> > -
> > - @param Idtr The pointer to a IDTR descriptor.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -InternalX86ReadIdtr (
> > - OUT IA32_DESCRIPTOR *Idtr
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "sidt %0"
> > - : "=m" (*Idtr)
> > - );
> > -}
> > -
> > -
> > -/**
> > - Writes the current Interrupt Descriptor Table
> Register(GDTR) descriptor.
> > -
> > - Writes the current IDTR descriptor and returns it
> in Idtr. This function is
> > - only available on IA-32 and X64.
> > -
> > - @param Idtr The pointer to a IDTR descriptor.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -InternalX86WriteIdtr (
> > - IN CONST IA32_DESCRIPTOR *Idtr
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "lidt %0"
> > - :
> > - : "m" (*Idtr)
> > - );
> > -}
> > -
> > -
> > -/**
> > - Reads the current Local Descriptor Table
> Register(LDTR) selector.
> > -
> > - Reads and returns the current 16-bit LDTR
> descriptor value. This function is
> > - only available on IA-32 and X64.
> > -
> > - @return The current selector of LDT.
> > -
> > -**/
> > -UINT16
> > -EFIAPI
> > -AsmReadLdtr (
> > - VOID
> > - )
> > -{
> > - UINT16 Data;
> > -
> > - __asm__ __volatile__ (
> > - "sldt %0"
> > - : "=g" (Data) // %0
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Writes the current Local Descriptor Table Register
> (GDTR) selector.
> > -
> > - Writes and the current LDTR descriptor specified by
> Ldtr. This function is
> > - only available on IA-32 and X64.
> > -
> > - @param Ldtr 16-bit LDTR selector value.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -AsmWriteLdtr (
> > - IN UINT16 Ldtr
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "lldtw %0"
> > - :
> > - : "g" (Ldtr) // %0
> > - );
> > -}
> > -
> > -
> > /**
> > Save the current floating point/SSE/SSE2 context to
> a buffer.
> >
> > @@ -1630,171 +560,3 @@ AsmReadTsc (
> >
> > return (((UINT64)HiData) << 32) | LowData;
> > }
> > -
> > -
> > -/**
> > - Reads the current value of a Performance Counter
> (PMC).
> > -
> > - Reads and returns the current value of performance
> counter specified by
> > - Index. This function is only available on IA-32 and
> X64.
> > -
> > - @param Index The 32-bit Performance Counter index
> to read.
> > -
> > - @return The value of the PMC specified by Index.
> > -
> > -**/
> > -UINT64
> > -EFIAPI
> > -AsmReadPmc (
> > - IN UINT32 Index
> > - )
> > -{
> > - UINT32 LowData;
> > - UINT32 HiData;
> > -
> > - __asm__ __volatile__ (
> > - "rdpmc"
> > - : "=a" (LowData),
> > - "=d" (HiData)
> > - : "c" (Index)
> > - );
> > -
> > - return (((UINT64)HiData) << 32) | LowData;
> > -}
> > -
> > -
> > -/**
> > - Sets up a monitor buffer that is used by
> AsmMwait().
> > -
> > - Executes a MONITOR instruction with the register
> state specified by Eax, Ecx
> > - and Edx. Returns Eax. This function is only
> available on IA-32 and X64.
> > -
> > - @param Eax The value to load into EAX or RAX
> before executing the MONITOR
> > - instruction.
> > - @param Ecx The value to load into ECX or RCX
> before executing the MONITOR
> > - instruction.
> > - @param Edx The value to load into EDX or RDX
> before executing the MONITOR
> > - instruction.
> > -
> > - @return Eax
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmMonitor (
> > - IN UINTN Eax,
> > - IN UINTN Ecx,
> > - IN UINTN Edx
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "monitor"
> > - :
> > - : "a" (Eax),
> > - "c" (Ecx),
> > - "d" (Edx)
> > - );
> > -
> > - return Eax;
> > -}
> > -
> > -
> > -/**
> > - Executes an MWAIT instruction.
> > -
> > - Executes an MWAIT instruction with the register
> state specified by Eax and
> > - Ecx. Returns Eax. This function is only available
> on IA-32 and X64.
> > -
> > - @param Eax The value to load into EAX or RAX
> before executing the MONITOR
> > - instruction.
> > - @param Ecx The value to load into ECX or RCX
> before executing the MONITOR
> > - instruction.
> > -
> > - @return Eax
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmMwait (
> > - IN UINTN Eax,
> > - IN UINTN Ecx
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "mwait"
> > - :
> > - : "a" (Eax),
> > - "c" (Ecx)
> > - );
> > -
> > - return Eax;
> > -}
> > -
> > -
> > -/**
> > - Executes a WBINVD instruction.
> > -
> > - Executes a WBINVD instruction. This function is
> only available on IA-32 and
> > - X64.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -AsmWbinvd (
> > - VOID
> > - )
> > -{
> > - __asm__ __volatile__ ("wbinvd":::"memory");
> > -}
> > -
> > -
> > -/**
> > - Executes a INVD instruction.
> > -
> > - Executes a INVD instruction. This function is only
> available on IA-32 and
> > - X64.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -AsmInvd (
> > - VOID
> > - )
> > -{
> > - __asm__ __volatile__ ("invd":::"memory");
> > -
> > -}
> > -
> > -
> > -/**
> > - Flushes a cache line from all the instruction and
> data caches within the
> > - coherency domain of the CPU.
> > -
> > - Flushed the cache line specified by LinearAddress,
> and returns LinearAddress.
> > - This function is only available on IA-32 and X64.
> > -
> > - @param LinearAddress The address of the cache line
> to flush. If the CPU is
> > - in a physical addressing
> mode, then LinearAddress is a
> > - physical address. If the CPU
> is in a virtual
> > - addressing mode, then
> LinearAddress is a virtual
> > - address.
> > -
> > - @return LinearAddress
> > -**/
> > -VOID *
> > -EFIAPI
> > -AsmFlushCacheLine (
> > - IN VOID *LinearAddress
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "clflush (%0)"
> > - :
> > - : "r" (LinearAddress)
> > - : "memory"
> > - );
> > -
> > - return LinearAddress;
> > -}
> > -
> > -
> > diff --git a/MdePkg/Library/BaseLib/X64/GccInline.c
> b/MdePkg/Library/BaseLib/X64/GccInlinePriv.c
> > similarity index 65%
> > copy from MdePkg/Library/BaseLib/X64/GccInline.c
> > copy to MdePkg/Library/BaseLib/X64/GccInlinePriv.c
> > index 154ce1f57e..98be19b3c7 100644
> > --- a/MdePkg/Library/BaseLib/X64/GccInline.c
> > +++ b/MdePkg/Library/BaseLib/X64/GccInlinePriv.c
> > @@ -1,7 +1,8 @@
> > /** @file
> > - GCC inline implementation of BaseLib processor
> specific functions.
> > + GCC inline implementation of BaseLib processor
> specific functions that use
> > + privlidged instructions.
> >
> > - Copyright (c) 2006 - 2018, Intel Corporation. All
> rights reserved.<BR>
> > + Copyright (c) 2006 - 2020, Intel Corporation. All
> rights reserved.<BR>
> > Portions copyright (c) 2008 - 2009, Apple Inc. All
> rights reserved.<BR>
> > SPDX-License-Identifier: BSD-2-Clause-Patent
> >
> > @@ -10,29 +11,6 @@
> >
> > #include "BaseLibInternals.h"
> >
> > -
> > -
> > -
> > -/**
> > - Used to serialize load and store operations.
> > -
> > - All loads and stores that proceed calls to this
> function are guaranteed to be
> > - globally visible when this function returns.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -MemoryFence (
> > - VOID
> > - )
> > -{
> > - // This is a little bit of overkill and it is more
> about the compiler that it is
> > - // actually processor synchronization. This is like
> the _ReadWriteBarrier
> > - // Microsoft specific intrinsic
> > - __asm__ __volatile__ ("":::"memory");
> > -}
> > -
> > -
> > /**
> > Enables CPU interrupts.
> >
> > @@ -64,44 +42,6 @@ DisableInterrupts (
> > __asm__ __volatile__ ("cli"::: "memory");
> > }
> >
> > -
> > -
> > -
> > -/**
> > - Requests CPU to pause for a short period of time.
> > -
> > - Requests CPU to pause for a short period of time.
> Typically used in MP
> > - systems to prevent memory starvation while waiting
> for a spin lock.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -CpuPause (
> > - VOID
> > - )
> > -{
> > - __asm__ __volatile__ ("pause");
> > -}
> > -
> > -
> > -/**
> > - Generates a breakpoint on the CPU.
> > -
> > - Generates a breakpoint on the CPU. The breakpoint
> must be implemented such
> > - that code can resume normal execution after the
> breakpoint.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -CpuBreakpoint (
> > - VOID
> > - )
> > -{
> > - __asm__ __volatile__ ("int $3");
> > -}
> > -
> > -
> > -
> > /**
> > Returns a 64-bit Machine Specific Register(MSR).
> >
> > @@ -176,37 +116,6 @@ AsmWriteMsr64 (
> > return Value;
> > }
> >
> > -
> > -
> > -/**
> > - Reads the current value of the EFLAGS register.
> > -
> > - Reads and returns the current value of the EFLAGS
> register. This function is
> > - only available on IA-32 and X64. This returns a 32-
> bit value on IA-32 and a
> > - 64-bit value on X64.
> > -
> > - @return EFLAGS on IA-32 or RFLAGS on X64.
> > -
> > -**/
> > -UINTN
> > -EFIAPI
> > -AsmReadEflags (
> > - VOID
> > - )
> > -{
> > - UINTN Eflags;
> > -
> > - __asm__ __volatile__ (
> > - "pushfq \n\t"
> > - "pop %0 "
> > - : "=r" (Eflags) // %0
> > - );
> > -
> > - return Eflags;
> > -}
> > -
> > -
> > -
> > /**
> > Reads the current value of the Control Register 0
> (CR0).
> >
> > @@ -1163,475 +1072,6 @@ AsmWriteLdtr (
> > );
> > }
> >
> > -
> > -/**
> > - Save the current floating point/SSE/SSE2 context to
> a buffer.
> > -
> > - Saves the current floating point/SSE/SSE2 state to
> the buffer specified by
> > - Buffer. Buffer must be aligned on a 16-byte
> boundary. This function is only
> > - available on IA-32 and X64.
> > -
> > - @param Buffer The pointer to a buffer to save the
> floating point/SSE/SSE2 context.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -InternalX86FxSave (
> > - OUT IA32_FX_BUFFER *Buffer
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "fxsave %0"
> > - :
> > - : "m" (*Buffer) // %0
> > - );
> > -}
> > -
> > -
> > -/**
> > - Restores the current floating point/SSE/SSE2
> context from a buffer.
> > -
> > - Restores the current floating point/SSE/SSE2 state
> from the buffer specified
> > - by Buffer. Buffer must be aligned on a 16-byte
> boundary. This function is
> > - only available on IA-32 and X64.
> > -
> > - @param Buffer The pointer to a buffer to save the
> floating point/SSE/SSE2 context.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -InternalX86FxRestore (
> > - IN CONST IA32_FX_BUFFER *Buffer
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "fxrstor %0"
> > - :
> > - : "m" (*Buffer) // %0
> > - );
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of 64-bit MMX Register #0
> (MM0).
> > -
> > - Reads and returns the current value of MM0. This
> function is only available
> > - on IA-32 and X64.
> > -
> > - @return The current value of MM0.
> > -
> > -**/
> > -UINT64
> > -EFIAPI
> > -AsmReadMm0 (
> > - VOID
> > - )
> > -{
> > - UINT64 Data;
> > -
> > - __asm__ __volatile__ (
> > - "movd %%mm0, %0 \n\t"
> > - : "=r" (Data) // %0
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of 64-bit MMX Register #1
> (MM1).
> > -
> > - Reads and returns the current value of MM1. This
> function is only available
> > - on IA-32 and X64.
> > -
> > - @return The current value of MM1.
> > -
> > -**/
> > -UINT64
> > -EFIAPI
> > -AsmReadMm1 (
> > - VOID
> > - )
> > -{
> > - UINT64 Data;
> > -
> > - __asm__ __volatile__ (
> > - "movd %%mm1, %0 \n\t"
> > - : "=r" (Data) // %0
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of 64-bit MMX Register #2
> (MM2).
> > -
> > - Reads and returns the current value of MM2. This
> function is only available
> > - on IA-32 and X64.
> > -
> > - @return The current value of MM2.
> > -
> > -**/
> > -UINT64
> > -EFIAPI
> > -AsmReadMm2 (
> > - VOID
> > - )
> > -{
> > - UINT64 Data;
> > -
> > - __asm__ __volatile__ (
> > - "movd %%mm2, %0 \n\t"
> > - : "=r" (Data) // %0
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of 64-bit MMX Register #3
> (MM3).
> > -
> > - Reads and returns the current value of MM3. This
> function is only available
> > - on IA-32 and X64.
> > -
> > - @return The current value of MM3.
> > -
> > -**/
> > -UINT64
> > -EFIAPI
> > -AsmReadMm3 (
> > - VOID
> > - )
> > -{
> > - UINT64 Data;
> > -
> > - __asm__ __volatile__ (
> > - "movd %%mm3, %0 \n\t"
> > - : "=r" (Data) // %0
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of 64-bit MMX Register #4
> (MM4).
> > -
> > - Reads and returns the current value of MM4. This
> function is only available
> > - on IA-32 and X64.
> > -
> > - @return The current value of MM4.
> > -
> > -**/
> > -UINT64
> > -EFIAPI
> > -AsmReadMm4 (
> > - VOID
> > - )
> > -{
> > - UINT64 Data;
> > -
> > - __asm__ __volatile__ (
> > - "movd %%mm4, %0 \n\t"
> > - : "=r" (Data) // %0
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of 64-bit MMX Register #5
> (MM5).
> > -
> > - Reads and returns the current value of MM5. This
> function is only available
> > - on IA-32 and X64.
> > -
> > - @return The current value of MM5.
> > -
> > -**/
> > -UINT64
> > -EFIAPI
> > -AsmReadMm5 (
> > - VOID
> > - )
> > -{
> > - UINT64 Data;
> > -
> > - __asm__ __volatile__ (
> > - "movd %%mm5, %0 \n\t"
> > - : "=r" (Data) // %0
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of 64-bit MMX Register #6
> (MM6).
> > -
> > - Reads and returns the current value of MM6. This
> function is only available
> > - on IA-32 and X64.
> > -
> > - @return The current value of MM6.
> > -
> > -**/
> > -UINT64
> > -EFIAPI
> > -AsmReadMm6 (
> > - VOID
> > - )
> > -{
> > - UINT64 Data;
> > -
> > - __asm__ __volatile__ (
> > - "movd %%mm6, %0 \n\t"
> > - : "=r" (Data) // %0
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of 64-bit MMX Register #7
> (MM7).
> > -
> > - Reads and returns the current value of MM7. This
> function is only available
> > - on IA-32 and X64.
> > -
> > - @return The current value of MM7.
> > -
> > -**/
> > -UINT64
> > -EFIAPI
> > -AsmReadMm7 (
> > - VOID
> > - )
> > -{
> > - UINT64 Data;
> > -
> > - __asm__ __volatile__ (
> > - "movd %%mm7, %0 \n\t"
> > - : "=r" (Data) // %0
> > - );
> > -
> > - return Data;
> > -}
> > -
> > -
> > -/**
> > - Writes the current value of 64-bit MMX Register #0
> (MM0).
> > -
> > - Writes the current value of MM0. This function is
> only available on IA32 and
> > - X64.
> > -
> > - @param Value The 64-bit value to write to MM0.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -AsmWriteMm0 (
> > - IN UINT64 Value
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "movd %0, %%mm0" // %0
> > - :
> > - : "m" (Value)
> > - );
> > -}
> > -
> > -
> > -/**
> > - Writes the current value of 64-bit MMX Register #1
> (MM1).
> > -
> > - Writes the current value of MM1. This function is
> only available on IA32 and
> > - X64.
> > -
> > - @param Value The 64-bit value to write to MM1.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -AsmWriteMm1 (
> > - IN UINT64 Value
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "movd %0, %%mm1" // %0
> > - :
> > - : "m" (Value)
> > - );
> > -}
> > -
> > -
> > -/**
> > - Writes the current value of 64-bit MMX Register #2
> (MM2).
> > -
> > - Writes the current value of MM2. This function is
> only available on IA32 and
> > - X64.
> > -
> > - @param Value The 64-bit value to write to MM2.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -AsmWriteMm2 (
> > - IN UINT64 Value
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "movd %0, %%mm2" // %0
> > - :
> > - : "m" (Value)
> > - );
> > -}
> > -
> > -
> > -/**
> > - Writes the current value of 64-bit MMX Register #3
> (MM3).
> > -
> > - Writes the current value of MM3. This function is
> only available on IA32 and
> > - X64.
> > -
> > - @param Value The 64-bit value to write to MM3.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -AsmWriteMm3 (
> > - IN UINT64 Value
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "movd %0, %%mm3" // %0
> > - :
> > - : "m" (Value)
> > - );
> > -}
> > -
> > -
> > -/**
> > - Writes the current value of 64-bit MMX Register #4
> (MM4).
> > -
> > - Writes the current value of MM4. This function is
> only available on IA32 and
> > - X64.
> > -
> > - @param Value The 64-bit value to write to MM4.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -AsmWriteMm4 (
> > - IN UINT64 Value
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "movd %0, %%mm4" // %0
> > - :
> > - : "m" (Value)
> > - );
> > -}
> > -
> > -
> > -/**
> > - Writes the current value of 64-bit MMX Register #5
> (MM5).
> > -
> > - Writes the current value of MM5. This function is
> only available on IA32 and
> > - X64.
> > -
> > - @param Value The 64-bit value to write to MM5.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -AsmWriteMm5 (
> > - IN UINT64 Value
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "movd %0, %%mm5" // %0
> > - :
> > - : "m" (Value)
> > - );
> > -}
> > -
> > -
> > -/**
> > - Writes the current value of 64-bit MMX Register #6
> (MM6).
> > -
> > - Writes the current value of MM6. This function is
> only available on IA32 and
> > - X64.
> > -
> > - @param Value The 64-bit value to write to MM6.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -AsmWriteMm6 (
> > - IN UINT64 Value
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "movd %0, %%mm6" // %0
> > - :
> > - : "m" (Value)
> > - );
> > -}
> > -
> > -
> > -/**
> > - Writes the current value of 64-bit MMX Register #7
> (MM7).
> > -
> > - Writes the current value of MM7. This function is
> only available on IA32 and
> > - X64.
> > -
> > - @param Value The 64-bit value to write to MM7.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -AsmWriteMm7 (
> > - IN UINT64 Value
> > - )
> > -{
> > - __asm__ __volatile__ (
> > - "movd %0, %%mm7" // %0
> > - :
> > - : "m" (Value)
> > - );
> > -}
> > -
> > -
> > -/**
> > - Reads the current value of Time Stamp Counter
> (TSC).
> > -
> > - Reads and returns the current value of TSC. This
> function is only available
> > - on IA-32 and X64.
> > -
> > - @return The current value of TSC
> > -
> > -**/
> > -UINT64
> > -EFIAPI
> > -AsmReadTsc (
> > - VOID
> > - )
> > -{
> > - UINT32 LowData;
> > - UINT32 HiData;
> > -
> > - __asm__ __volatile__ (
> > - "rdtsc"
> > - : "=a" (LowData),
> > - "=d" (HiData)
> > - );
> > -
> > - return (((UINT64)HiData) << 32) | LowData;
> > -}
> > -
> > -
> > /**
> > Reads the current value of a Performance Counter
> (PMC).
> >
> > @@ -1662,7 +1102,6 @@ AsmReadPmc (
> > return (((UINT64)HiData) << 32) | LowData;
> > }
> >
> > -
> > /**
> > Sets up a monitor buffer that is used by
> AsmMwait().
> >
> > @@ -1698,7 +1137,6 @@ AsmMonitor (
> > return Eax;
> > }
> >
> > -
> > /**
> > Executes an MWAIT instruction.
> >
> > @@ -1730,7 +1168,6 @@ AsmMwait (
> > return Eax;
> > }
> >
> > -
> > /**
> > Executes a WBINVD instruction.
> >
> > @@ -1747,7 +1184,6 @@ AsmWbinvd (
> > __asm__ __volatile__ ("wbinvd":::"memory");
> > }
> >
> > -
> > /**
> > Executes a INVD instruction.
> >
> > @@ -1796,5 +1232,3 @@ AsmFlushCacheLine (
> >
> > return LinearAddress;
> > }
> > -
> > -
> > --
> > 2.21.0.windows.1
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