Temporarily remove the C implementation of some GCC assembly files in MdePkg. They are kept in repository and will be re-evaluate later.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10045 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 0 insertions, 1806 deletions

diff --git a/MdePkg/Library/BaseLib/X64/GccInline.c b/MdePkg/Library/BaseLib/X64/GccInline.c
deleted file mode 100644
index d559e3be55..0000000000
--- a/MdePkg/Library/BaseLib/X64/GccInline.c
+++ /dev/null
@@ -1,1806 +0,0 @@
-/** @file

-  GCC inline implementation of BaseLib processor specific functions.

-  

-  Copyright (c) 2006 - 2010, Intel Corporation<BR>

-  Portions copyright (c) 2008-2009 Apple Inc. All rights reserved.<BR> 

-  All rights reserved. This program and the accompanying materials

-  are licensed and made available under the terms and conditions of the BSD License

-  which accompanies this distribution.  The full text of the license may be found at

-  http://opensource.org/licenses/bsd-license.php

-

-  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,

-  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

-

-**/

-

-

-#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 syncronization. This is like the _ReadWriteBarrier 

-  // Microsft specific intrinsic

-  __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.

-

-  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).

-

-  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.

-

-  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).

-

-  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  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  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  Pointer to a IDTR descriptor.

-

-**/

-VOID

-EFIAPI

-InternalX86ReadIdtr (

-  OUT     IA32_DESCRIPTOR           *Idtr

-  )

-{

-  __asm__ __volatile__ (

-    "sldt  %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  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.

-

-  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  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  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).

-

-  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;

-}

-

-