diff options
Diffstat (limited to 'UnixPkg/Library/UnixBaseLib/X64/GccInline.c')
| -rw-r--r-- | UnixPkg/Library/UnixBaseLib/X64/GccInline.c | 1801 |
1 files changed, 0 insertions, 1801 deletions
diff --git a/UnixPkg/Library/UnixBaseLib/X64/GccInline.c b/UnixPkg/Library/UnixBaseLib/X64/GccInline.c deleted file mode 100644 index 731172aacc..0000000000 --- a/UnixPkg/Library/UnixBaseLib/X64/GccInline.c +++ /dev/null @@ -1,1801 +0,0 @@ -/** @file
- GCC inline implementation of BaseLib processor specific functions.
-
- Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
- Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
- 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 synchronization. This is like the _ReadWriteBarrier
- // Microsoft 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
- )
-{
- 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.
-
- 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).
-
- 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;
-}
-
-
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