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.kin...@intel.com> > Sent: Monday, June 15, 2020 8:19 AM > To: devel@edk2.groups.io > Cc: Gao, Liming <liming....@intel.com>; Sean Brogan > <sean.bro...@microsoft.com>; Bret Barkelew <bret.barke...@microsoft.com>; > Yao, Jiewen <jiewen....@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....@intel.com> > Cc: Sean Brogan <sean.bro...@microsoft.com> > Cc: Bret Barkelew <bret.barke...@microsoft.com> > Cc: Jiewen Yao <jiewen....@intel.com> > Signed-off-by: Michael D Kinney <michael.d.kin...@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 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. 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