.nasm file has been added for X86 arch. .S assembly code is not required any more. https://bugzilla.tianocore.org/show_bug.cgi?id=1594
Cc: Michael D Kinney <michael.d.kin...@intel.com> Cc: Liming Gao <liming....@intel.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Shenglei Zhang <shenglei.zh...@intel.com> --- MdePkg/Library/BaseLib/BaseLib.inf | 38 -- MdePkg/Library/BaseLib/Ia32/ARShiftU64.S | 43 --- MdePkg/Library/BaseLib/Ia32/CpuId.S | 63 ---- MdePkg/Library/BaseLib/Ia32/CpuIdEx.S | 67 ---- MdePkg/Library/BaseLib/Ia32/DisableCache.S | 39 -- MdePkg/Library/BaseLib/Ia32/DisablePaging32.S | 52 --- MdePkg/Library/BaseLib/Ia32/DivU64x32.S | 41 --- .../Library/BaseLib/Ia32/DivU64x32Remainder.S | 46 --- .../Library/BaseLib/Ia32/DivU64x64Remainder.S | 89 ----- MdePkg/Library/BaseLib/Ia32/EnableCache.S | 39 -- .../BaseLib/Ia32/EnableDisableInterrupts.S | 36 -- MdePkg/Library/BaseLib/Ia32/EnablePaging32.S | 52 --- MdePkg/Library/BaseLib/Ia32/EnablePaging64.S | 63 ---- .../BaseLib/Ia32/InternalSwitchStack.S | 48 --- MdePkg/Library/BaseLib/Ia32/LRotU64.S | 48 --- MdePkg/Library/BaseLib/Ia32/LShiftU64.S | 43 --- MdePkg/Library/BaseLib/Ia32/LongJump.S | 41 --- MdePkg/Library/BaseLib/Ia32/ModU64x32.S | 40 --- MdePkg/Library/BaseLib/Ia32/Monitor.S | 40 --- MdePkg/Library/BaseLib/Ia32/MultU64x32.S | 41 --- MdePkg/Library/BaseLib/Ia32/MultU64x64.S | 44 --- MdePkg/Library/BaseLib/Ia32/Mwait.S | 38 -- MdePkg/Library/BaseLib/Ia32/RRotU64.S | 48 --- MdePkg/Library/BaseLib/Ia32/RShiftU64.S | 46 --- MdePkg/Library/BaseLib/Ia32/RdRand.S | 80 ----- MdePkg/Library/BaseLib/Ia32/SetJump.S | 44 --- MdePkg/Library/BaseLib/Ia32/SwapBytes64.S | 38 -- MdePkg/Library/BaseLib/Ia32/Thunk16.S | 222 ------------ MdePkg/Library/BaseLib/X64/CpuId.S | 60 ---- MdePkg/Library/BaseLib/X64/CpuIdEx.S | 62 ---- MdePkg/Library/BaseLib/X64/DisableCache.S | 39 -- MdePkg/Library/BaseLib/X64/DisablePaging64.S | 82 ----- MdePkg/Library/BaseLib/X64/EnableCache.S | 39 -- .../BaseLib/X64/EnableDisableInterrupts.S | 36 -- MdePkg/Library/BaseLib/X64/LongJump.S | 54 --- MdePkg/Library/BaseLib/X64/RdRand.S | 72 ---- MdePkg/Library/BaseLib/X64/SetJump.S | 53 --- MdePkg/Library/BaseLib/X64/SwitchStack.S | 52 --- MdePkg/Library/BaseLib/X64/Thunk16.S | 334 ------------------ 39 files changed, 2412 deletions(-) delete mode 100644 MdePkg/Library/BaseLib/Ia32/ARShiftU64.S delete mode 100644 MdePkg/Library/BaseLib/Ia32/CpuId.S delete mode 100644 MdePkg/Library/BaseLib/Ia32/CpuIdEx.S delete mode 100644 MdePkg/Library/BaseLib/Ia32/DisableCache.S delete mode 100644 MdePkg/Library/BaseLib/Ia32/DisablePaging32.S delete mode 100644 MdePkg/Library/BaseLib/Ia32/DivU64x32.S delete mode 100644 MdePkg/Library/BaseLib/Ia32/DivU64x32Remainder.S delete mode 100644 MdePkg/Library/BaseLib/Ia32/DivU64x64Remainder.S delete mode 100644 MdePkg/Library/BaseLib/Ia32/EnableCache.S delete mode 100644 MdePkg/Library/BaseLib/Ia32/EnableDisableInterrupts.S delete mode 100644 MdePkg/Library/BaseLib/Ia32/EnablePaging32.S delete mode 100644 MdePkg/Library/BaseLib/Ia32/EnablePaging64.S delete mode 100644 MdePkg/Library/BaseLib/Ia32/InternalSwitchStack.S delete mode 100644 MdePkg/Library/BaseLib/Ia32/LRotU64.S delete mode 100644 MdePkg/Library/BaseLib/Ia32/LShiftU64.S delete mode 100644 MdePkg/Library/BaseLib/Ia32/LongJump.S delete mode 100644 MdePkg/Library/BaseLib/Ia32/ModU64x32.S delete mode 100644 MdePkg/Library/BaseLib/Ia32/Monitor.S delete mode 100644 MdePkg/Library/BaseLib/Ia32/MultU64x32.S delete mode 100644 MdePkg/Library/BaseLib/Ia32/MultU64x64.S delete mode 100644 MdePkg/Library/BaseLib/Ia32/Mwait.S delete mode 100644 MdePkg/Library/BaseLib/Ia32/RRotU64.S delete mode 100644 MdePkg/Library/BaseLib/Ia32/RShiftU64.S delete mode 100644 MdePkg/Library/BaseLib/Ia32/RdRand.S delete mode 100644 MdePkg/Library/BaseLib/Ia32/SetJump.S delete mode 100644 MdePkg/Library/BaseLib/Ia32/SwapBytes64.S delete mode 100644 MdePkg/Library/BaseLib/Ia32/Thunk16.S delete mode 100644 MdePkg/Library/BaseLib/X64/CpuId.S delete mode 100644 MdePkg/Library/BaseLib/X64/CpuIdEx.S delete mode 100644 MdePkg/Library/BaseLib/X64/DisableCache.S delete mode 100644 MdePkg/Library/BaseLib/X64/DisablePaging64.S delete mode 100644 MdePkg/Library/BaseLib/X64/EnableCache.S delete mode 100644 MdePkg/Library/BaseLib/X64/EnableDisableInterrupts.S delete mode 100644 MdePkg/Library/BaseLib/X64/LongJump.S delete mode 100644 MdePkg/Library/BaseLib/X64/RdRand.S delete mode 100644 MdePkg/Library/BaseLib/X64/SetJump.S delete mode 100644 MdePkg/Library/BaseLib/X64/SwitchStack.S delete mode 100644 MdePkg/Library/BaseLib/X64/Thunk16.S diff --git a/MdePkg/Library/BaseLib/BaseLib.inf b/MdePkg/Library/BaseLib/BaseLib.inf index a0d6c372f9..16829deeb4 100644 --- a/MdePkg/Library/BaseLib/BaseLib.inf +++ b/MdePkg/Library/BaseLib/BaseLib.inf @@ -260,62 +260,35 @@ Ia32/GccInline.c | GCC Ia32/Thunk16.nasm | GCC - Ia32/Thunk16.S | XCODE Ia32/EnableDisableInterrupts.nasm| GCC - Ia32/EnableDisableInterrupts.S | GCC Ia32/EnablePaging64.nasm| GCC - Ia32/EnablePaging64.S | GCC Ia32/DisablePaging32.nasm| GCC - Ia32/DisablePaging32.S | GCC Ia32/EnablePaging32.nasm| GCC - Ia32/EnablePaging32.S | GCC Ia32/Mwait.nasm| GCC - Ia32/Mwait.S | GCC Ia32/Monitor.nasm| GCC - Ia32/Monitor.S | GCC Ia32/CpuIdEx.nasm| GCC - Ia32/CpuIdEx.S | GCC Ia32/CpuId.nasm| GCC - Ia32/CpuId.S | GCC Ia32/LongJump.nasm| GCC - Ia32/LongJump.S | GCC Ia32/SetJump.nasm| GCC - Ia32/SetJump.S | GCC Ia32/SwapBytes64.nasm| GCC - Ia32/SwapBytes64.S | GCC Ia32/DivU64x64Remainder.nasm| GCC - Ia32/DivU64x64Remainder.S | GCC Ia32/DivU64x32Remainder.nasm| GCC - Ia32/DivU64x32Remainder.S | GCC Ia32/ModU64x32.nasm| GCC - Ia32/ModU64x32.S | GCC Ia32/DivU64x32.nasm| GCC - Ia32/DivU64x32.S | GCC Ia32/MultU64x64.nasm| GCC - Ia32/MultU64x64.S | GCC Ia32/MultU64x32.nasm| GCC - Ia32/MultU64x32.S | GCC Ia32/RRotU64.nasm| GCC - Ia32/RRotU64.S | GCC Ia32/LRotU64.nasm| GCC - Ia32/LRotU64.S | GCC Ia32/ARShiftU64.nasm| GCC - Ia32/ARShiftU64.S | GCC Ia32/RShiftU64.nasm| GCC - Ia32/RShiftU64.S | GCC Ia32/LShiftU64.nasm| GCC - Ia32/LShiftU64.S | GCC Ia32/EnableCache.nasm| GCC - Ia32/EnableCache.S | GCC Ia32/DisableCache.nasm| GCC - Ia32/DisableCache.S | GCC Ia32/RdRand.nasm| GCC - Ia32/RdRand.S | GCC Ia32/DivS64x64Remainder.c Ia32/InternalSwitchStack.c | MSFT Ia32/InternalSwitchStack.c | INTEL - Ia32/InternalSwitchStack.S | GCC Ia32/InternalSwitchStack.nasm | GCC Ia32/Non-existing.c Unaligned.c @@ -518,27 +491,16 @@ X86PatchInstruction.c X86SpeculationBarrier.c X64/GccInline.c | GCC - X64/Thunk16.S | XCODE X64/SwitchStack.nasm| GCC - X64/SwitchStack.S | GCC X64/SetJump.nasm| GCC - X64/SetJump.S | GCC X64/LongJump.nasm| GCC - X64/LongJump.S | GCC X64/EnableDisableInterrupts.nasm| GCC - X64/EnableDisableInterrupts.S | GCC X64/DisablePaging64.nasm| GCC - X64/DisablePaging64.S | GCC X64/CpuId.nasm| GCC - X64/CpuId.S | GCC X64/CpuIdEx.nasm| GCC - X64/CpuIdEx.S | GCC X64/EnableCache.nasm| GCC - X64/EnableCache.S | GCC X64/DisableCache.nasm| GCC - X64/DisableCache.S | GCC X64/RdRand.nasm| GCC - X64/RdRand.S | GCC ChkStkGcc.c | GCC [Sources.EBC] diff --git a/MdePkg/Library/BaseLib/Ia32/ARShiftU64.S b/MdePkg/Library/BaseLib/Ia32/ARShiftU64.S deleted file mode 100644 index 5e993e44b5..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/ARShiftU64.S +++ /dev/null @@ -1,43 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2018, Intel Corporation. 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. -# -# Module Name: -# -# ARShiftU64.S -# -# Abstract: -# -# 64-bit arithmetic right shift function for IA-32 -# -#------------------------------------------------------------------------------ - -ASM_GLOBAL ASM_PFX(InternalMathARShiftU64) - -#------------------------------------------------------------------------------ -# UINT64 -# EFIAPI -# InternalMathARShiftU64 ( -# IN UINT64 Operand, -# IN UINTN Count -# ); -#------------------------------------------------------------------------------ -ASM_PFX(InternalMathARShiftU64): - movb 12(%esp), %cl - movl 8(%esp), %eax - cltd - testb $32, %cl - jnz L0 - movl %eax, %edx - movl 4(%esp), %eax -L0: - shrdl %cl, %edx, %eax - sar %cl, %edx - ret diff --git a/MdePkg/Library/BaseLib/Ia32/CpuId.S b/MdePkg/Library/BaseLib/Ia32/CpuId.S deleted file mode 100644 index b3b71a3d20..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/CpuId.S +++ /dev/null @@ -1,63 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2008, Intel Corporation. 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. -# -# Module Name: -# -# CpuId.S -# -# Abstract: -# -# AsmCpuid function -# -# Notes: -# -#------------------------------------------------------------------------------ - -ASM_GLOBAL ASM_PFX(AsmCpuid) - -#------------------------------------------------------------------------------ -# VOID -# EFIAPI -# AsmCpuid ( -# IN UINT32 RegisterInEax, -# OUT UINT32 *RegisterOutEax OPTIONAL, -# OUT UINT32 *RegisterOutEbx OPTIONAL, -# OUT UINT32 *RegisterOutEcx OPTIONAL, -# OUT UINT32 *RegisterOutEdx OPTIONAL -# ) -#------------------------------------------------------------------------------ -ASM_PFX(AsmCpuid): - push %ebx - push %ebp - movl %esp, %ebp - movl 12(%ebp), %eax - cpuid - push %ecx - movl 16(%ebp), %ecx - jecxz L1 - movl %eax, (%ecx) -L1: - movl 20(%ebp), %ecx - jecxz L2 - movl %ebx, (%ecx) -L2: - movl 24(%ebp), %ecx - jecxz L3 - popl (%ecx) -L3: - movl 28(%ebp), %ecx - jecxz L4 - movl %edx, (%ecx) -L4: - movl 12(%ebp), %eax - leave - pop %ebx - ret diff --git a/MdePkg/Library/BaseLib/Ia32/CpuIdEx.S b/MdePkg/Library/BaseLib/Ia32/CpuIdEx.S deleted file mode 100644 index 0d34c56162..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/CpuIdEx.S +++ /dev/null @@ -1,67 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2012, Intel Corporation. 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. -# -# Module Name: -# -# CpuIdEx.S -# -# Abstract: -# -# AsmCpuidEx function -# -# Notes: -# -#------------------------------------------------------------------------------ - - - .code: - -#------------------------------------------------------------------------------ -# UINT32 -# EFIAPI -# AsmCpuidEx ( -# IN UINT32 RegisterInEax, -# IN UINT32 RegisterInEcx, -# OUT UINT32 *RegisterOutEax OPTIONAL, -# OUT UINT32 *RegisterOutEbx OPTIONAL, -# OUT UINT32 *RegisterOutEcx OPTIONAL, -# OUT UINT32 *RegisterOutEdx OPTIONAL -# ) -#------------------------------------------------------------------------------ -ASM_GLOBAL ASM_PFX(AsmCpuidEx) -ASM_PFX(AsmCpuidEx): - push %ebx - push %ebp - movl %esp, %ebp - movl 12(%ebp), %eax - movl 16(%ebp), %ecx - cpuid - push %ecx - movl 20(%ebp), %ecx - jecxz L1 - movl %eax, (%ecx) -L1: - movl 24(%ebp), %ecx - jecxz L2 - movl %ebx, (%ecx) -L2: - movl 32(%ebp), %ecx - jecxz L3 - movl %edx, (%ecx) -L3: - movl 28(%ebp), %ecx - jecxz L4 - popl (%ecx) -L4: - movl 12(%ebp), %eax - leave - pop %ebx - ret diff --git a/MdePkg/Library/BaseLib/Ia32/DisableCache.S b/MdePkg/Library/BaseLib/Ia32/DisableCache.S deleted file mode 100644 index 5f86da4494..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/DisableCache.S +++ /dev/null @@ -1,39 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2008, Intel Corporation. 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. -# -# Module Name: -# -# DisableCache.S -# -# Abstract: -# -# Set the CD bit of CR0 to 1, clear the NW bit of CR0 to 0, and flush all caches with a -# WBINVD instruction. -# -# Notes: -# -#------------------------------------------------------------------------------ - -#------------------------------------------------------------------------------ -# VOID -# EFIAPI -# AsmDisableCache ( -# VOID -# ); -#------------------------------------------------------------------------------ -ASM_GLOBAL ASM_PFX(AsmDisableCache) -ASM_PFX(AsmDisableCache): - movl %cr0, %eax - btsl $30, %eax - btrl $29, %eax - movl %eax, %cr0 - wbinvd - ret diff --git a/MdePkg/Library/BaseLib/Ia32/DisablePaging32.S b/MdePkg/Library/BaseLib/Ia32/DisablePaging32.S deleted file mode 100644 index c6daf6ac87..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/DisablePaging32.S +++ /dev/null @@ -1,52 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2008, Intel Corporation. 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. -# -# Module Name: -# -# DisablePaging32.S -# -# Abstract: -# -# InternalX86DisablePaging32 function -# -# Notes: -# -#------------------------------------------------------------------------------ - -ASM_GLOBAL ASM_PFX(InternalX86DisablePaging32) - -#------------------------------------------------------------------------------ -# VOID -# EFIAPI -# InternalX86DisablePaging32 ( -# IN SWITCH_STACK_ENTRY_POINT EntryPoint, -# IN VOID *Context1, OPTIONAL -# IN VOID *Context2, OPTIONAL -# IN VOID *NewStack -# ); -#------------------------------------------------------------------------------ -ASM_PFX(InternalX86DisablePaging32): - movl 4(%esp), %ebx - movl 8(%esp), %ecx - movl 12(%esp), %edx - pushfl - pop %edi # save EFLAGS to edi - cli - movl %cr0, %eax - btrl $31, %eax - movl 16(%esp), %esp - movl %eax, %cr0 - push %edi - popfl # restore EFLAGS from edi - push %edx - push %ecx - call *%ebx - jmp . # EntryPoint() should not return diff --git a/MdePkg/Library/BaseLib/Ia32/DivU64x32.S b/MdePkg/Library/BaseLib/Ia32/DivU64x32.S deleted file mode 100644 index 5d3f452945..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/DivU64x32.S +++ /dev/null @@ -1,41 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2008, Intel Corporation. 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. -# -# Module Name: -# -# DivU64x32.S -# -# Abstract: -# -# Calculate the quotient of a 64-bit integer by a 32-bit integer -# -#------------------------------------------------------------------------------ - -ASM_GLOBAL ASM_PFX(InternalMathDivU64x32) - -#------------------------------------------------------------------------------ -# UINT64 -# EFIAPI -# InternalMathDivU64x32 ( -# IN UINT64 Dividend, -# IN UINT32 Divisor -# ); -#------------------------------------------------------------------------------ -ASM_PFX(InternalMathDivU64x32): - movl 8(%esp), %eax - movl 12(%esp), %ecx - xorl %edx, %edx - divl %ecx - push %eax # save quotient on stack - movl 8(%esp), %eax - divl %ecx - pop %edx # restore high-order dword of the quotient - ret diff --git a/MdePkg/Library/BaseLib/Ia32/DivU64x32Remainder.S b/MdePkg/Library/BaseLib/Ia32/DivU64x32Remainder.S deleted file mode 100644 index d9eb8e9e11..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/DivU64x32Remainder.S +++ /dev/null @@ -1,46 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2008, Intel Corporation. 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. -# -# Module Name: -# -# DivError.S -# -# Abstract: -# -# Set error flag for all division functions -# -#------------------------------------------------------------------------------ - -ASM_GLOBAL ASM_PFX(InternalMathDivRemU64x32) - -#------------------------------------------------------------------------------ -# UINT64 -# EFIAPI -# InternalMathDivRemU64x32 ( -# IN UINT64 Dividend, -# IN UINT32 Divisor, -# OUT UINT32 *Remainder -# ); -#------------------------------------------------------------------------------ -ASM_PFX(InternalMathDivRemU64x32): - movl 12(%esp), %ecx # ecx <- divisor - movl 8(%esp), %eax # eax <- dividend[32..63] - xorl %edx, %edx - divl %ecx # eax <- quotient[32..63], edx <- remainder - push %eax - movl 8(%esp), %eax # eax <- dividend[0..31] - divl %ecx # eax <- quotient[0..31] - movl 20(%esp), %ecx # ecx <- Remainder - jecxz L1 # abandon remainder if Remainder == NULL - movl %edx, (%ecx) -L1: - pop %edx # edx <- quotient[32..63] - ret diff --git a/MdePkg/Library/BaseLib/Ia32/DivU64x64Remainder.S b/MdePkg/Library/BaseLib/Ia32/DivU64x64Remainder.S deleted file mode 100644 index 9ec61b134b..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/DivU64x64Remainder.S +++ /dev/null @@ -1,89 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2018, Intel Corporation. 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. -# -# Module Name: -# -# DivU64x64Remainder.S -# -# Abstract: -# -# Calculate the quotient of a 64-bit integer by a 64-bit integer and returns -# both the quotient and the remainder -# -#------------------------------------------------------------------------------ - -ASM_GLOBAL ASM_PFX(InternalMathDivRemU64x32), ASM_PFX(InternalMathDivRemU64x64) - -#------------------------------------------------------------------------------ -# UINT64 -# EFIAPI -# InternalMathDivRemU64x64 ( -# IN UINT64 Dividend, -# IN UINT64 Divisor, -# OUT UINT64 *Remainder OPTIONAL -# ); -#------------------------------------------------------------------------------ -ASM_PFX(InternalMathDivRemU64x64): - movl 16(%esp), %ecx # ecx <- divisor[32..63] - testl %ecx, %ecx - jnz Hard # call _@DivRemU64x64 if Divisor > 2^32 - movl 20(%esp), %ecx - jecxz L1 - andl $0, 4(%ecx) # zero high dword of remainder - movl %ecx, 16(%esp) # set up stack frame to match DivRemU64x32 -L1: - jmp ASM_PFX(InternalMathDivRemU64x32) -Hard: - push %ebx - push %esi - push %edi - mov 20(%esp), %edx - mov 16(%esp), %eax # edx:eax <- dividend - movl %edx, %edi - movl %eax, %esi # edi:esi <- dividend - mov 24(%esp), %ebx # ecx:ebx <- divisor -L2: - shrl %edx - rcrl $1, %eax - shrdl $1, %ecx, %ebx - shrl %ecx - jnz L2 - divl %ebx - movl %eax, %ebx # ebx <- quotient - movl 28(%esp), %ecx # ecx <- high dword of divisor - mull 24(%esp) # edx:eax <- quotient * divisor[0..31] - imull %ebx, %ecx # ecx <- quotient * divisor[32..63] - addl %ecx, %edx # edx <- (quotient * divisor)[32..63] - mov 32(%esp), %ecx # ecx <- addr for Remainder - jc TooLarge # product > 2^64 - cmpl %edx, %edi # compare high 32 bits - ja Correct - jb TooLarge # product > dividend - cmpl %eax, %esi - jae Correct # product <= dividend -TooLarge: - decl %ebx # adjust quotient by -1 - jecxz Return # return if Remainder == NULL - sub 24(%esp), %eax - sbb 28(%esp), %edx # edx:eax <- (quotient - 1) * divisor -Correct: - jecxz Return - subl %eax, %esi - sbbl %edx, %edi # edi:esi <- remainder - movl %esi, (%ecx) - movl %edi, 4(%ecx) -Return: - movl %ebx, %eax # eax <- quotient - xorl %edx, %edx # quotient is 32 bits long - pop %edi - pop %esi - pop %ebx - ret diff --git a/MdePkg/Library/BaseLib/Ia32/EnableCache.S b/MdePkg/Library/BaseLib/Ia32/EnableCache.S deleted file mode 100644 index b41dd0d22a..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/EnableCache.S +++ /dev/null @@ -1,39 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2018, Intel Corporation. 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. -# -# Module Name: -# -# EnableCache.S -# -# Abstract: -# -# Flush all caches with a WBINVD instruction, clear the CD bit of CR0 to 0, and clear -# the NW bit of CR0 to 0 -# -# Notes: -# -#------------------------------------------------------------------------------ - -#------------------------------------------------------------------------------ -# VOID -# EFIAPI -# AsmEnableCache ( -# VOID -# ); -#------------------------------------------------------------------------------ -ASM_GLOBAL ASM_PFX(AsmEnableCache) -ASM_PFX(AsmEnableCache): - wbinvd - movl %cr0, %eax - btrl $30, %eax - btrl $29, %eax - movl %eax, %cr0 - ret diff --git a/MdePkg/Library/BaseLib/Ia32/EnableDisableInterrupts.S b/MdePkg/Library/BaseLib/Ia32/EnableDisableInterrupts.S deleted file mode 100644 index bc89c258b7..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/EnableDisableInterrupts.S +++ /dev/null @@ -1,36 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2008, Intel Corporation. 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. -# -# Module Name: -# -# EnableDisableInterrupts.S -# -# Abstract: -# -# EnableDisableInterrupts function -# -# Notes: -# -#------------------------------------------------------------------------------ - -ASM_GLOBAL ASM_PFX(EnableDisableInterrupts) - -#------------------------------------------------------------------------------ -# VOID -# EFIAPI -# EnableDisableInterrupts ( -# VOID -# ); -#------------------------------------------------------------------------------ -ASM_PFX(EnableDisableInterrupts): - sti - cli - ret diff --git a/MdePkg/Library/BaseLib/Ia32/EnablePaging32.S b/MdePkg/Library/BaseLib/Ia32/EnablePaging32.S deleted file mode 100644 index 1a168c9cd9..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/EnablePaging32.S +++ /dev/null @@ -1,52 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2008, Intel Corporation. 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. -# -# Module Name: -# -# EnablePaging32.S -# -# Abstract: -# -# InternalX86EnablePaging32 function -# -# Notes: -# -#------------------------------------------------------------------------------ - -ASM_GLOBAL ASM_PFX(InternalX86EnablePaging32) - -#------------------------------------------------------------------------------ -# VOID -# EFIAPI -# InternalX86EnablePaging32 ( -# IN SWITCH_STACK_ENTRY_POINT EntryPoint, -# IN VOID *Context1, OPTIONAL -# IN VOID *Context2, OPTIONAL -# IN VOID *NewStack -# ); -#------------------------------------------------------------------------------ -ASM_PFX(InternalX86EnablePaging32): - movl 4(%esp), %ebx - movl 8(%esp), %ecx - movl 12(%esp), %edx - pushfl - pop %edi # save flags in edi - cli - movl %cr0, %eax - btsl $31, %eax - movl 16(%esp), %esp - movl %eax, %cr0 - push %edi - popfl # restore flags - push %edx - push %ecx - call *%ebx - jmp . diff --git a/MdePkg/Library/BaseLib/Ia32/EnablePaging64.S b/MdePkg/Library/BaseLib/Ia32/EnablePaging64.S deleted file mode 100644 index 08950ce0e2..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/EnablePaging64.S +++ /dev/null @@ -1,63 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2008, Intel Corporation. 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. -# -# Module Name: -# -# EnablePaging64.S -# -# Abstract: -# -# InternalX86EnablePaging64 function -# -# Notes: -# -#------------------------------------------------------------------------------ - -ASM_GLOBAL ASM_PFX(InternalX86EnablePaging64) - -#------------------------------------------------------------------------------ -# VOID -# EFIAPI -# InternalX86EnablePaging64 ( -# IN UINT16 CodeSelector, -# IN UINT64 EntryPoint, -# IN UINT64 Context1, OPTIONAL -# IN UINT64 Context2, OPTIONAL -# IN UINT64 NewStack -# ); -#------------------------------------------------------------------------------ -ASM_PFX(InternalX86EnablePaging64): - cli - movl $LongStart, (%esp) # offset for far retf, seg is the 1st arg - movl %cr4, %eax - orb $0x20, %al - movl %eax, %cr4 # enable PAE - movl $0xc0000080, %ecx - rdmsr - orb $1, %ah # set LME - wrmsr - movl %cr0, %eax - btsl $31, %eax # set PG - movl %eax, %cr0 # enable paging - lret # topmost 2 dwords hold the address -LongStart: # long mode starts here - .byte 0x67, 0x48 # 32-bit address size, 64-bit operand size - movl (%esp), %ebx # mov rbx, [esp] - .byte 0x67, 0x48 - movl 8(%esp), %ecx # mov rcx, [esp + 8] - .byte 0x67, 0x48 - movl 0x10(%esp), %edx # mov rdx, [esp + 10h] - .byte 0x67, 0x48 - movl 0x18(%esp), %esp # mov rsp, [esp + 18h] - .byte 0x48 - addl $-0x20, %esp # add rsp, -20h - call *%ebx # call rbx - jmp . # no one should get here diff --git a/MdePkg/Library/BaseLib/Ia32/InternalSwitchStack.S b/MdePkg/Library/BaseLib/Ia32/InternalSwitchStack.S deleted file mode 100644 index 027379efd7..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/InternalSwitchStack.S +++ /dev/null @@ -1,48 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> -# Portions copyright (c) 2011, 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. -# -# Module Name: -# -# InternalSwitchStack.S -# -# Abstract: -# -# Implementation of a stack switch on IA-32. -# -#------------------------------------------------------------------------------ - -ASM_GLOBAL ASM_PFX(InternalSwitchStack) - -#------------------------------------------------------------------------------ -# VOID -# EFIAPI -# InternalSwitchStack ( -# IN SWITCH_STACK_ENTRY_POINT EntryPoint, -# IN VOID *Context1, OPTIONAL -# IN VOID *Context2, OPTIONAL -# IN VOID *NewStack -# ); -#------------------------------------------------------------------------------ -ASM_PFX(InternalSwitchStack): - pushl %ebp - movl %esp, %ebp - - movl 20(%ebp), %esp # switch stack - subl $8, %esp - - movl 16(%ebp), %eax - movl %eax, 4(%esp) - movl 12(%ebp), %eax - movl %eax, (%esp) - pushl $0 # keeps gdb from unwinding stack - jmp *8(%ebp) # call and never return - diff --git a/MdePkg/Library/BaseLib/Ia32/LRotU64.S b/MdePkg/Library/BaseLib/Ia32/LRotU64.S deleted file mode 100644 index accac8b89d..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/LRotU64.S +++ /dev/null @@ -1,48 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2018, Intel Corporation. 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. -# -# Module Name: -# -# LRotU64.S -# -# Abstract: -# -# 64-bit left rotation for Ia32 -# -#------------------------------------------------------------------------------ - -ASM_GLOBAL ASM_PFX(InternalMathLRotU64) - -#------------------------------------------------------------------------------ -# UINT64 -# EFIAPI -# InternalMathLRotU64 ( -# IN UINT64 Operand, -# IN UINTN Count -# ); -#------------------------------------------------------------------------------ -ASM_PFX(InternalMathLRotU64): - push %ebx - movb 16(%esp), %cl - movl 12(%esp), %edx - movl 8(%esp), %eax - shldl %cl, %edx, %ebx - shldl %cl, %eax, %edx - rorl %cl, %ebx - shldl %cl, %ebx, %eax - testb $32, %cl # Count >= 32? - jz L0 - movl %eax, %ecx - movl %edx, %eax - movl %ecx, %edx -L0: - pop %ebx - ret diff --git a/MdePkg/Library/BaseLib/Ia32/LShiftU64.S b/MdePkg/Library/BaseLib/Ia32/LShiftU64.S deleted file mode 100644 index 90baed001c..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/LShiftU64.S +++ /dev/null @@ -1,43 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2018, Intel Corporation. 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. -# -# Module Name: -# -# LShiftU64.S -# -# Abstract: -# -# 64-bit left shift function for IA-32 -# -#------------------------------------------------------------------------------ - -ASM_GLOBAL ASM_PFX(InternalMathLShiftU64) - -#------------------------------------------------------------------------------ -# UINT64 -# EFIAPI -# InternalMathLShiftU64 ( -# IN UINT64 Operand, -# IN UINTN Count -# ); -#------------------------------------------------------------------------------ -ASM_PFX(InternalMathLShiftU64): - movb 12(%esp), %cl - xorl %eax, %eax - movl 4(%esp), %edx - testb $32, %cl # Count >= 32? - jnz L0 - movl %edx, %eax - movl 0x8(%esp), %edx -L0: - shld %cl, %eax, %edx - shl %cl, %eax - ret diff --git a/MdePkg/Library/BaseLib/Ia32/LongJump.S b/MdePkg/Library/BaseLib/Ia32/LongJump.S deleted file mode 100644 index 4514cd3bf1..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/LongJump.S +++ /dev/null @@ -1,41 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2008, Intel Corporation. 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. -# -# Module Name: -# -# LongJump.S -# -# Abstract: -# -# Implementation of _LongJump() on IA-32. -# -#------------------------------------------------------------------------------ - -ASM_GLOBAL ASM_PFX(InternalLongJump) - -#------------------------------------------------------------------------------ -# VOID -# EFIAPI -# InternalLongJump ( -# IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer, -# IN UINTN Value -# ); -#------------------------------------------------------------------------------ -ASM_PFX(InternalLongJump): - pop %eax # skip return address - pop %edx # edx <- JumpBuffer - pop %eax # eax <- Value - movl (%edx), %ebx - movl 4(%edx), %esi - movl 8(%edx), %edi - movl 12(%edx), %ebp - movl 16(%edx), %esp - jmp *20(%edx) # restore "eip" diff --git a/MdePkg/Library/BaseLib/Ia32/ModU64x32.S b/MdePkg/Library/BaseLib/Ia32/ModU64x32.S deleted file mode 100644 index beb2217734..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/ModU64x32.S +++ /dev/null @@ -1,40 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006, Intel Corporation. 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. -# -# Module Name: -# -# DivU64x32.S -# -# Abstract: -# -# Calculate the remainder of a 64-bit integer by a 32-bit integer -# -#------------------------------------------------------------------------------ - -ASM_GLOBAL ASM_PFX(InternalMathModU64x32) - -#------------------------------------------------------------------------------ -# UINT32 -# EFIAPI -# InternalMathModU64x32 ( -# IN UINT64 Dividend, -# IN UINT32 Divisor -# ); -#------------------------------------------------------------------------------ -ASM_PFX(InternalMathModU64x32): - movl 8(%esp), %eax - movl 12(%esp), %ecx - xorl %edx, %edx - divl %ecx - movl 4(%esp), %eax - divl %ecx - movl %edx, %eax - ret diff --git a/MdePkg/Library/BaseLib/Ia32/Monitor.S b/MdePkg/Library/BaseLib/Ia32/Monitor.S deleted file mode 100644 index 1e5f40e770..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/Monitor.S +++ /dev/null @@ -1,40 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2008, Intel Corporation. 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. -# -# Module Name: -# -# Monitor.S -# -# Abstract: -# -# AsmMonitor function -# -# Notes: -# -#------------------------------------------------------------------------------ - -ASM_GLOBAL ASM_PFX(AsmMonitor) - -#------------------------------------------------------------------------------ -# UINT64 -# EFIAPI -# AsmMonitor ( -# IN UINTN Eax, -# IN UINTN Ecx, -# IN UINTN Edx -# ); -#------------------------------------------------------------------------------ -ASM_PFX(AsmMonitor): - movl 4(%esp), %eax - movl 8(%esp), %ecx - movl 12(%esp), %edx - monitor %eax, %ecx, %edx # monitor - ret diff --git a/MdePkg/Library/BaseLib/Ia32/MultU64x32.S b/MdePkg/Library/BaseLib/Ia32/MultU64x32.S deleted file mode 100644 index 8e3f6f5560..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/MultU64x32.S +++ /dev/null @@ -1,41 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2008, Intel Corporation. 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. -# -# Module Name: -# -# MultU64x32.S -# -# Abstract: -# -# Calculate the product of a 64-bit integer and a 32-bit integer -# -#------------------------------------------------------------------------------ - - - .code: - -ASM_GLOBAL ASM_PFX(InternalMathMultU64x32) - -#------------------------------------------------------------------------------ -# UINT64 -# EFIAPI -# InternalMathMultU64x32 ( -# IN UINT64 Multiplicand, -# IN UINT32 Multiplier -# ); -#------------------------------------------------------------------------------ -ASM_PFX(InternalMathMultU64x32): - movl 12(%esp), %ecx - movl %ecx, %eax - imull 8(%esp), %ecx # overflow not detectable - mull 0x4(%esp) - addl %ecx, %edx - ret diff --git a/MdePkg/Library/BaseLib/Ia32/MultU64x64.S b/MdePkg/Library/BaseLib/Ia32/MultU64x64.S deleted file mode 100644 index 4e4fe710a7..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/MultU64x64.S +++ /dev/null @@ -1,44 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2018, Intel Corporation. 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. -# -# Module Name: -# -# MultU64x64.S -# -# Abstract: -# -# Calculate the product of a 64-bit integer and another 64-bit integer -# -#------------------------------------------------------------------------------ - -ASM_GLOBAL ASM_PFX(InternalMathMultU64x64) - -#------------------------------------------------------------------------------ -# UINT64 -# EFIAPI -# InternalMathMultU64x64 ( -# IN UINT64 Multiplicand, -# IN UINT64 Multiplier -# ); -#------------------------------------------------------------------------------ -ASM_PFX(InternalMathMultU64x64): - push %ebx - movl 8(%esp), %ebx # ebx <- M1[0..31] - movl 16(%esp), %edx # edx <- M2[0..31] - movl %ebx, %ecx - movl %edx, %eax - imull 20(%esp), %ebx # ebx <- M1[0..31] * M2[32..63] - imull 12(%esp), %edx # edx <- M1[32..63] * M2[0..31] - addl %edx, %ebx # carries are abandoned - mull %ecx # edx:eax <- M1[0..31] * M2[0..31] - addl %ebx, %edx # carries are abandoned - pop %ebx - ret diff --git a/MdePkg/Library/BaseLib/Ia32/Mwait.S b/MdePkg/Library/BaseLib/Ia32/Mwait.S deleted file mode 100644 index 22b3ffd0a4..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/Mwait.S +++ /dev/null @@ -1,38 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2008, Intel Corporation. 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. -# -# Module Name: -# -# Mwait.S -# -# Abstract: -# -# AsmMwait function -# -# Notes: -# -#------------------------------------------------------------------------------ - -ASM_GLOBAL ASM_PFX(AsmMwait) - -#------------------------------------------------------------------------------ -# UINT64 -# EFIAPI -# AsmMwait ( -# IN UINTN Eax, -# IN UINTN Ecx -# ); -#------------------------------------------------------------------------------ -ASM_PFX(AsmMwait): - movl 4(%esp), %eax - movl 8(%esp), %ecx - mwait - ret diff --git a/MdePkg/Library/BaseLib/Ia32/RRotU64.S b/MdePkg/Library/BaseLib/Ia32/RRotU64.S deleted file mode 100644 index 426fcd6de3..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/RRotU64.S +++ /dev/null @@ -1,48 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2018, Intel Corporation. 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. -# -# Module Name: -# -# RRotU64.S -# -# Abstract: -# -# 64-bit right rotation for Ia32 -# -#------------------------------------------------------------------------------ - -ASM_GLOBAL ASM_PFX(InternalMathRRotU64) - -#------------------------------------------------------------------------------ -# UINT64 -# EFIAPI -# InternalMathRRotU64 ( -# IN UINT64 Operand, -# IN UINTN Count -# ); -#------------------------------------------------------------------------------ -ASM_PFX(InternalMathRRotU64): - push %ebx - movb 16(%esp), %cl - movl 8(%esp), %eax - movl 12(%esp), %edx - shrdl %cl, %eax, %ebx - shrdl %cl, %edx, %eax - roll %cl, %ebx - shrdl %cl, %ebx, %edx - testb $32, %cl # Count >= 32? - jz L0 - movl %eax, %ecx # switch eax & edx if Count >= 32 - movl %edx, %eax - movl %ecx, %edx -L0: - pop %ebx - ret diff --git a/MdePkg/Library/BaseLib/Ia32/RShiftU64.S b/MdePkg/Library/BaseLib/Ia32/RShiftU64.S deleted file mode 100644 index 28102303f2..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/RShiftU64.S +++ /dev/null @@ -1,46 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2018, Intel Corporation. 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. -# -# Module Name: -# -# RShiftU64.S -# -# Abstract: -# -# 64-bit logical right shift function for IA-32 -# -#------------------------------------------------------------------------------ - - - .code: - -ASM_GLOBAL ASM_PFX(InternalMathRShiftU64) - -#------------------------------------------------------------------------------ -# UINT64 -# EFIAPI -# InternalMathRShiftU64 ( -# IN UINT64 Operand, -# IN UINTN Count -# ); -#------------------------------------------------------------------------------ -ASM_PFX(InternalMathRShiftU64): - movb 12(%esp), %cl # cl <- Count - xorl %edx, %edx - movl 8(%esp), %eax - testb $32, %cl # Count >= 32? - jnz L0 - movl %eax, %edx - movl 0x4(%esp), %eax -L0: - shrdl %cl, %edx, %eax - shr %cl, %edx - ret diff --git a/MdePkg/Library/BaseLib/Ia32/RdRand.S b/MdePkg/Library/BaseLib/Ia32/RdRand.S deleted file mode 100644 index d00075afe7..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/RdRand.S +++ /dev/null @@ -1,80 +0,0 @@ -#------------------------------------------------------------------------------ ; -# Copyright (c) 2015 - 2016, Intel Corporation. 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. -# -# Module Name: -# -# RdRand.S -# -# Abstract: -# -# Generates random number through CPU RdRand instruction under 32-bit platform. -# -# Notes: -# -#------------------------------------------------------------------------------ - -//------------------------------------------------------------------------------ -// Generates a 16 bit random number through RDRAND instruction. -// Return TRUE if Rand generated successfully, or FALSE if not. -// -// BOOLEAN EFIAPI InternalX86RdRand16 (UINT16 *Rand); -//------------------------------------------------------------------------------ -ASM_GLOBAL ASM_PFX(InternalX86RdRand16) -ASM_PFX(InternalX86RdRand16): - .byte 0x0f, 0xc7, 0xf0 // rdrand r16: "0f c7 /6 ModRM:r/m(w)" - jc rn16_ok // jmp if CF=1 - xor %eax, %eax // reg=0 if CF=0 - ret // return with failure status -rn16_ok: - mov 0x4(%esp), %edx - mov %ax, (%edx) - mov $0x1, %eax - ret - -//------------------------------------------------------------------------------ -// Generates a 32 bit random number through RDRAND instruction. -// Return TRUE if Rand generated successfully, or FALSE if not. -// -// BOOLEAN EFIAPI InternalX86RdRand32 (UINT32 *Rand); -//------------------------------------------------------------------------------ -ASM_GLOBAL ASM_PFX(InternalX86RdRand32) -ASM_PFX(InternalX86RdRand32): - .byte 0x0f, 0xc7, 0xf0 // rdrand r32: "0f c7 /6 ModRM:r/m(w)" - jc rn32_ok // jmp if CF=1 - xor %eax, %eax // reg=0 if CF=0 - ret // return with failure status -rn32_ok: - mov 0x4(%esp), %edx - mov %eax, (%edx) - mov $0x1, %eax - ret - -//------------------------------------------------------------------------------ -// Generates a 64 bit random number through RDRAND instruction. -// Return TRUE if Rand generated successfully, or FALSE if not. -// -// BOOLEAN EFIAPI InternalX86RdRand64 (UINT64 *Rand); -//------------------------------------------------------------------------------ -ASM_GLOBAL ASM_PFX(InternalX86RdRand64) -ASM_PFX(InternalX86RdRand64): - .byte 0x0f, 0xc7, 0xf0 // rdrand r32: "0f c7 /6 ModRM:r/m(w)" - jnc rn64_ret // jmp if CF=0 - mov 0x4(%esp), %edx - mov %eax, (%edx) - - .byte 0x0f, 0xc7, 0xf0 // generate another 32 bit RN - jnc rn64_ret // jmp if CF=0 - mov %eax, 0x4(%edx) - - mov $0x1, %eax - ret -rn64_ret: - xor %eax, %eax - ret // return with failure status diff --git a/MdePkg/Library/BaseLib/Ia32/SetJump.S b/MdePkg/Library/BaseLib/Ia32/SetJump.S deleted file mode 100644 index 459224e6c8..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/SetJump.S +++ /dev/null @@ -1,44 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2008, Intel Corporation. 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. -# -# Module Name: -# -# SetJump.S -# -# Abstract: -# -# Implementation of SetJump() on IA-32. -# -#------------------------------------------------------------------------------ - -ASM_GLOBAL ASM_PFX(SetJump), ASM_PFX(InternalAssertJumpBuffer) - -#------------------------------------------------------------------------------ -# UINTN -# EFIAPI -# SetJump ( -# OUT BASE_LIBRARY_JUMP_BUFFER *JumpBuffer -# ); -#------------------------------------------------------------------------------ -ASM_PFX(SetJump): - pushl 0x4(%esp) - call ASM_PFX(InternalAssertJumpBuffer) # To validate JumpBuffer - pop %ecx - pop %ecx # ecx <- return address - movl (%esp), %edx - movl %ebx, (%edx) - movl %esi, 4(%edx) - movl %edi, 8(%edx) - movl %ebp, 12(%edx) - movl %esp, 16(%edx) - movl %ecx, 20(%edx) # eip value to restore in LongJump - xorl %eax, %eax - jmp *%ecx diff --git a/MdePkg/Library/BaseLib/Ia32/SwapBytes64.S b/MdePkg/Library/BaseLib/Ia32/SwapBytes64.S deleted file mode 100644 index ce4ebc8110..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/SwapBytes64.S +++ /dev/null @@ -1,38 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2008, Intel Corporation. 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. -# -# Module Name: -# -# CpuId.S -# -# Abstract: -# -# AsmCpuid function -# -# Notes: -# -#------------------------------------------------------------------------------ - - -#------------------------------------------------------------------------------ -# UINT64 -# EFIAPI -# InternalMathSwapBytes64 ( -# IN UINT64 Operand -# ); -#------------------------------------------------------------------------------ -ASM_GLOBAL ASM_PFX(InternalMathSwapBytes64) -ASM_PFX(InternalMathSwapBytes64): - movl 8(%esp), %eax # eax <- upper 32 bits - movl 4(%esp), %edx # edx <- lower 32 bits - bswapl %eax - bswapl %edx - ret diff --git a/MdePkg/Library/BaseLib/Ia32/Thunk16.S b/MdePkg/Library/BaseLib/Ia32/Thunk16.S deleted file mode 100644 index 185655eecb..0000000000 --- a/MdePkg/Library/BaseLib/Ia32/Thunk16.S +++ /dev/null @@ -1,222 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2013, Intel Corporation. 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. -# -# Module Name: -# -# Thunk16.S -# -# Abstract: -# -# Real mode thunk -# -#------------------------------------------------------------------------------ - -#include <Library/BaseLib.h> - -ASM_GLOBAL ASM_PFX(m16Start), ASM_PFX(m16Size), ASM_PFX(mThunk16Attr), ASM_PFX(m16Gdt), ASM_PFX(m16GdtrBase), ASM_PFX(mTransition) -ASM_GLOBAL ASM_PFX(InternalAsmThunk16) - -# define the structure of IA32_REGS -.set _EDI, 0 #size 4 -.set _ESI, 4 #size 4 -.set _EBP, 8 #size 4 -.set _ESP, 12 #size 4 -.set _EBX, 16 #size 4 -.set _EDX, 20 #size 4 -.set _ECX, 24 #size 4 -.set _EAX, 28 #size 4 -.set _DS, 32 #size 2 -.set _ES, 34 #size 2 -.set _FS, 36 #size 2 -.set _GS, 38 #size 2 -.set _EFLAGS, 40 #size 4 -.set _EIP, 44 #size 4 -.set _CS, 48 #size 2 -.set _SS, 50 #size 2 -.set IA32_REGS_SIZE, 52 - - .text - .code16 - -ASM_PFX(m16Start): - -SavedGdt: .space 6 - -ASM_PFX(BackFromUserCode): - push %ss - push %cs - - calll L_Base1 # push eip -L_Base1: - pushfl - cli # disable interrupts - push %gs - push %fs - push %es - push %ds - pushal - .byte 0x66, 0xba # mov edx, imm32 -ASM_PFX(ThunkAttr): .space 4 - testb $THUNK_ATTRIBUTE_DISABLE_A20_MASK_INT_15, %dl - jz 1f - movw $0x2401, %ax - int $0x15 - cli # disable interrupts - jnc 2f -1: - testb $THUNK_ATTRIBUTE_DISABLE_A20_MASK_KBD_CTRL, %dl - jz 2f - inb $0x92, %al - orb $2, %al - outb %al, $0x92 # deactivate A20M# -2: - xorl %eax, %eax - movw %ss, %ax - leal IA32_REGS_SIZE(%esp), %ebp - mov %ebp, (_ESP - IA32_REGS_SIZE)(%bp) - mov (_EIP - IA32_REGS_SIZE)(%bp), %bx - shll $4, %eax - addl %eax, %ebp - .byte 0x66, 0xb8 # mov eax, imm32 -SavedCr4: .space 4 - movl %eax, %cr4 - lgdtl %cs:(SavedGdt - L_Base1)(%bx) - .byte 0x66, 0xb8 # mov eax, imm32 -SavedCr0: .space 4 - movl %eax, %cr0 - .byte 0xb8 # mov ax, imm16 -SavedSs: .space 2 - movl %eax, %ss - .byte 0x66, 0xbc # mov esp, imm32 -SavedEsp: .space 4 - lretl # return to protected mode - -_EntryPoint: .long ASM_PFX(ToUserCode) - ASM_PFX(m16Start) - .word 0x8 -_16Idtr: .word 0x3ff - .long 0 -_16Gdtr: .word GdtEnd - _NullSegDesc - 1 -_16GdtrBase: .long _NullSegDesc - -ASM_PFX(ToUserCode): - movw %ss, %dx - movw %cx, %ss # set new segment selectors - movw %cx, %ds - movw %cx, %es - movw %cx, %fs - movw %cx, %gs - movl %eax, %cr0 # real mode starts at next instruction - # which (per SDM) *must* be a far JMP. - ljmpw $0,$0 # will be filled in by InternalAsmThunk16 -L_Base: # to point here. - movl %ebp, %cr4 - movw %si, %ss # set up 16-bit stack segment - xchgl %ebx, %esp # set up 16-bit stack pointer - - movw IA32_REGS_SIZE(%esp), %bp # get BackToUserCode address from stack - mov %dx, %cs:(SavedSs - ASM_PFX(BackFromUserCode))(%bp) - mov %ebx, %cs:(SavedEsp - ASM_PFX(BackFromUserCode))(%bp) - lidtl %cs:(_16Idtr - ASM_PFX(BackFromUserCode))(%bp) - popal - pop %ds - pop %es - pop %fs - pop %gs - popfl - lretl # transfer control to user code - -_NullSegDesc: .quad 0 -_16CsDesc: - .word -1 - .word 0 - .byte 0 - .byte 0x9b - .byte 0x8f # 16-bit segment, 4GB limit - .byte 0 -_16DsDesc: - .word -1 - .word 0 - .byte 0 - .byte 0x93 - .byte 0x8f # 16-bit segment, 4GB limit - .byte 0 -GdtEnd: - - .code32 -# -# @param RegSet The pointer to a IA32_DWORD_REGS structure -# @param Transition The pointer to the transition code -# @return The address of the 16-bit stack after returning from user code -# -ASM_PFX(InternalAsmThunk16): - push %ebp - push %ebx - push %esi - push %edi - push %ds - push %es - push %fs - push %gs - movl 36(%esp), %esi # esi <- RegSet - movzwl _SS(%esi), %edx - mov _ESP(%esi), %edi - add $(-(IA32_REGS_SIZE + 4)), %edi - movl %edi, %ebx # ebx <- stack offset - imul $0x10, %edx, %eax - push $(IA32_REGS_SIZE / 4) - addl %eax, %edi # edi <- linear address of 16-bit stack - pop %ecx - rep - movsl # copy RegSet - movl 40(%esp), %eax # eax <- address of transition code - movl %edx, %esi # esi <- 16-bit stack segment - lea (SavedCr0 - ASM_PFX(m16Start))(%eax), %edx - movl %eax, %ecx - andl $0xf, %ecx - shll $12, %eax - lea (ASM_PFX(BackFromUserCode) - ASM_PFX(m16Start))(%ecx), %ecx - movw %cx, %ax - stosl # [edi] <- return address of user code - addl $(L_Base - ASM_PFX(BackFromUserCode)), %eax - movl %eax, (L_Base - SavedCr0 - 4)(%edx) - sgdtl (SavedGdt - SavedCr0)(%edx) - sidtl 0x24(%esp) - movl %cr0, %eax - movl %eax, (%edx) # save CR0 in SavedCr0 - andl $0x7ffffffe, %eax # clear PE, PG bits - movl %cr4, %ebp - mov %ebp, (SavedCr4 - SavedCr0)(%edx) - andl $0xffffffcf, %ebp # clear PAE, PSE bits - pushl $0x10 - pop %ecx # ecx <- selector for data segments - lgdtl (_16Gdtr - SavedCr0)(%edx) - pushfl - lcall *(_EntryPoint - SavedCr0)(%edx) - popfl - lidtl 0x24(%esp) - lea -IA32_REGS_SIZE(%ebp), %eax - pop %gs - pop %fs - pop %es - pop %ds - pop %edi - pop %esi - pop %ebx - pop %ebp - ret - - .const: - -ASM_PFX(m16Size): .word ASM_PFX(InternalAsmThunk16) - ASM_PFX(m16Start) -ASM_PFX(mThunk16Attr): .word ASM_PFX(ThunkAttr) - ASM_PFX(m16Start) -ASM_PFX(m16Gdt): .word _NullSegDesc - ASM_PFX(m16Start) -ASM_PFX(m16GdtrBase): .word _16GdtrBase - ASM_PFX(m16Start) -ASM_PFX(mTransition): .word _EntryPoint - ASM_PFX(m16Start) diff --git a/MdePkg/Library/BaseLib/X64/CpuId.S b/MdePkg/Library/BaseLib/X64/CpuId.S deleted file mode 100644 index c3d2597205..0000000000 --- a/MdePkg/Library/BaseLib/X64/CpuId.S +++ /dev/null @@ -1,60 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2008, Intel Corporation. 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. -# -# Module Name: -# -# CpuId.S -# -# Abstract: -# -# AsmCpuid function -# -# Notes: -# -#------------------------------------------------------------------------------ - -#------------------------------------------------------------------------------ -# VOID -# EFIAPI -# AsmCpuid ( -# IN UINT32 RegisterInEax, -# OUT UINT32 *RegisterOutEax OPTIONAL, -# OUT UINT32 *RegisterOutEbx OPTIONAL, -# OUT UINT32 *RegisterOutEcx OPTIONAL, -# OUT UINT32 *RegisterOutEdx OPTIONAL -# ) -#------------------------------------------------------------------------------ -ASM_GLOBAL ASM_PFX(AsmCpuid) -ASM_PFX(AsmCpuid): - push %rbx - mov %ecx, %eax - push %rax # save Index on stack - push %rdx - cpuid - test %r9, %r9 - jz L1 - mov %ecx, (%r9) -L1: - pop %rcx - jrcxz L2 - mov %eax, (%rcx) -L2: - mov %r8, %rcx - jrcxz L3 - mov %ebx, (%rcx) -L3: - mov 0x38(%rsp), %rcx - jrcxz L4 - mov %edx, (%rcx) -L4: - pop %rax # restore Index to rax as return value - pop %rbx - ret diff --git a/MdePkg/Library/BaseLib/X64/CpuIdEx.S b/MdePkg/Library/BaseLib/X64/CpuIdEx.S deleted file mode 100644 index 0bc2540011..0000000000 --- a/MdePkg/Library/BaseLib/X64/CpuIdEx.S +++ /dev/null @@ -1,62 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2018, Intel Corporation. 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. -# -# Module Name: -# -# CpuIdEx.S -# -# Abstract: -# -# AsmCpuidEx function -# -# Notes: -# -#------------------------------------------------------------------------------ - -#------------------------------------------------------------------------------ -# UINT32 -# EFIAPI -# AsmCpuidEx ( -# IN UINT32 RegisterInEax, -# IN UINT32 RegisterInEcx, -# OUT UINT32 *RegisterOutEax OPTIONAL, -# OUT UINT32 *RegisterOutEbx OPTIONAL, -# OUT UINT32 *RegisterOutEcx OPTIONAL, -# OUT UINT32 *RegisterOutEdx OPTIONAL -# ) -#------------------------------------------------------------------------------ -ASM_GLOBAL ASM_PFX(AsmCpuidEx) -ASM_PFX(AsmCpuidEx): - push %rbx - movl %ecx,%eax - movl %edx,%ecx - push %rax # save Index on stack - cpuid - mov 0x38(%rsp), %r10 - test %r10, %r10 - jz L1 - mov %ecx,(%r10) -L1: - mov %r8, %rcx - jrcxz L2 - movl %eax,(%rcx) -L2: - mov %r9, %rcx - jrcxz L3 - mov %ebx, (%rcx) -L3: - mov 0x40(%rsp), %rcx - jrcxz L4 - mov %edx, (%rcx) -L4: - pop %rax # restore Index to rax as return value - pop %rbx - ret diff --git a/MdePkg/Library/BaseLib/X64/DisableCache.S b/MdePkg/Library/BaseLib/X64/DisableCache.S deleted file mode 100644 index 970f2f3618..0000000000 --- a/MdePkg/Library/BaseLib/X64/DisableCache.S +++ /dev/null @@ -1,39 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2008, Intel Corporation. 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. -# -# Module Name: -# -# DisableCache.S -# -# Abstract: -# -# Set the CD bit of CR0 to 1, clear the NW bit of CR0 to 0, and flush all caches with a -# WBINVD instruction. -# -# Notes: -# -#------------------------------------------------------------------------------ - -#------------------------------------------------------------------------------ -# VOID -# EFIAPI -# AsmDisableCache ( -# VOID -# ); -#------------------------------------------------------------------------------ -ASM_GLOBAL ASM_PFX(AsmDisableCache) -ASM_PFX(AsmDisableCache): - movq %cr0, %rax - btsq $30, %rax - btrq $29, %rax - movq %rax, %cr0 - wbinvd - ret diff --git a/MdePkg/Library/BaseLib/X64/DisablePaging64.S b/MdePkg/Library/BaseLib/X64/DisablePaging64.S deleted file mode 100644 index 220a59127b..0000000000 --- a/MdePkg/Library/BaseLib/X64/DisablePaging64.S +++ /dev/null @@ -1,82 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2018, Intel Corporation. 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. -# -# Module Name: -# -# DisablePaging64.S -# -# Abstract: -# -# AsmDisablePaging64 function -# -# Notes: -# -#------------------------------------------------------------------------------ - - - -#------------------------------------------------------------------------------ -# VOID -# EFIAPI -# InternalX86DisablePaging64 ( -# IN UINT16 Cs, -# IN UINT32 EntryPoint, -# IN UINT32 Context1, OPTIONAL -# IN UINT32 Context2, OPTIONAL -# IN UINT32 NewStack -# ); -#------------------------------------------------------------------------------ - -ASM_GLOBAL ASM_PFX(InternalX86DisablePaging64) -ASM_PFX(InternalX86DisablePaging64): - cli - lea L1(%rip), %rsi # rsi <- The start address of transition code - mov 0x28(%rsp), %edi # rdi <- New stack - lea _mTransitionEnd(%rip), %rax # rax <- end of transition code - sub %rsi, %rax # rax <- The size of transition piece code - add $4, %rax # round rax up to the next 4 byte boundary - and $0xfc, %al - sub %rax, %rdi # rdi <- use stack to hold transition code - mov %edi, %r10d # r10 <- The start address of transicition code below 4G - push %rcx # save rcx to stack - mov %rax, %rcx # rcx <- The size of transition piece code - rep - movsb # copy transition code to (new stack - 64byte) below 4G - pop %rcx # restore rcx - - mov %r8d, %esi - mov %r9d, %edi - mov %r10d, %eax - sub $4, %eax - push %rcx # push Cs to stack - push %r10 # push address of transition code on stack - .byte 0x48, 0xcb # retq: Use far return to load CS register from stack - # (Use raw byte code since some GNU assemblers generates incorrect code for "retq") -L1: - mov %eax,%esp # set up new stack - mov %cr0,%rax - btr $0x1f,%eax # clear CR0.PG - mov %rax,%cr0 # disable paging - - mov %edx,%ebx # save EntryPoint to ebx, for rdmsr will overwrite edx - mov $0xc0000080,%ecx - rdmsr - and $0xfe,%ah # clear LME - wrmsr - mov %cr4,%rax - and $0xdf,%al # clear PAE - mov %rax,%cr4 - push %rdi # push Context2 - push %rsi # push Context1 - callq *%rbx # transfer control to EntryPoint - jmp . # no one should get here - -_mTransitionEnd : diff --git a/MdePkg/Library/BaseLib/X64/EnableCache.S b/MdePkg/Library/BaseLib/X64/EnableCache.S deleted file mode 100644 index 9f01f3d793..0000000000 --- a/MdePkg/Library/BaseLib/X64/EnableCache.S +++ /dev/null @@ -1,39 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2018, Intel Corporation. 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. -# -# Module Name: -# -# EnableCache.S -# -# Abstract: -# -# Flush all caches with a WBINVD instruction, clear the CD bit of CR0 to 0, and clear -# the NW bit of CR0 to 0 -# -# Notes: -# -#------------------------------------------------------------------------------ - -#------------------------------------------------------------------------------ -# VOID -# EFIAPI -# AsmEnableCache ( -# VOID -# ); -#------------------------------------------------------------------------------ -ASM_GLOBAL ASM_PFX(AsmEnableCache) -ASM_PFX(AsmEnableCache): - wbinvd - movq %cr0, %rax - btrq $30, %rax - btrq $29, %rax - movq %rax, %cr0 - ret diff --git a/MdePkg/Library/BaseLib/X64/EnableDisableInterrupts.S b/MdePkg/Library/BaseLib/X64/EnableDisableInterrupts.S deleted file mode 100644 index f2ff61ecfd..0000000000 --- a/MdePkg/Library/BaseLib/X64/EnableDisableInterrupts.S +++ /dev/null @@ -1,36 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2009, Intel Corporation. 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. -# -# Module Name: -# -# EnableDisableInterrupts.S -# -# Abstract: -# -# EnableDisableInterrupts function -# -# Notes: -# -#------------------------------------------------------------------------------ - - -#------------------------------------------------------------------------------ -# VOID -# EFIAPI -# EnableDisableInterrupts ( -# VOID -# ); -#------------------------------------------------------------------------------ -ASM_GLOBAL ASM_PFX(EnableDisableInterrupts) -ASM_PFX(EnableDisableInterrupts): - sti - cli - ret diff --git a/MdePkg/Library/BaseLib/X64/LongJump.S b/MdePkg/Library/BaseLib/X64/LongJump.S deleted file mode 100644 index 5256529f06..0000000000 --- a/MdePkg/Library/BaseLib/X64/LongJump.S +++ /dev/null @@ -1,54 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2018, Intel Corporation. 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. -# -# Module Name: -# -# LongJump.S -# -# Abstract: -# -# Implementation of _LongJump() on x64. -# -#------------------------------------------------------------------------------ - -#------------------------------------------------------------------------------ -# VOID -# EFIAPI -# InternalLongJump ( -# IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer, -# IN UINTN Value -# ); -#------------------------------------------------------------------------------ -ASM_GLOBAL ASM_PFX(InternalLongJump) -ASM_PFX(InternalLongJump): - mov (%rcx), %rbx - mov 0x8(%rcx), %rsp - mov 0x10(%rcx), %rbp - mov 0x18(%rcx), %rdi - mov 0x20(%rcx), %rsi - mov 0x28(%rcx), %r12 - mov 0x30(%rcx), %r13 - mov 0x38(%rcx), %r14 - mov 0x40(%rcx), %r15 - # load non-volatile fp registers - ldmxcsr 0x50(%rcx) - movdqu 0x58(%rcx), %xmm6 - movdqu 0x68(%rcx), %xmm7 - movdqu 0x78(%rcx), %xmm8 - movdqu 0x88(%rcx), %xmm9 - movdqu 0x98(%rcx), %xmm10 - movdqu 0xA8(%rcx), %xmm11 - movdqu 0xB8(%rcx), %xmm12 - movdqu 0xC8(%rcx), %xmm13 - movdqu 0xD8(%rcx), %xmm14 - movdqu 0xE8(%rcx), %xmm15 - mov %rdx, %rax # set return value - jmp *0x48(%rcx) diff --git a/MdePkg/Library/BaseLib/X64/RdRand.S b/MdePkg/Library/BaseLib/X64/RdRand.S deleted file mode 100644 index 55724c0868..0000000000 --- a/MdePkg/Library/BaseLib/X64/RdRand.S +++ /dev/null @@ -1,72 +0,0 @@ -#------------------------------------------------------------------------------ ; -# Copyright (c) 2015 - 2016, Intel Corporation. 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. -# -# Module Name: -# -# RdRand.S -# -# Abstract: -# -# Generates random number through CPU RdRand instruction under 64-bit platform. -# -# Notes: -# -#------------------------------------------------------------------------------ - -//------------------------------------------------------------------------------ -// Generates a 16 bit random number through RDRAND instruction. -// Return TRUE if Rand generated successfully, or FALSE if not. -// -// BOOLEAN EFIAPI InternalX86RdRand16 (UINT16 *Rand); -//------------------------------------------------------------------------------ -ASM_GLOBAL ASM_PFX(InternalX86RdRand16) -ASM_PFX(InternalX86RdRand16): - .byte 0x0f, 0xc7, 0xf0 // rdrand r16: "0f c7 /6 ModRM:r/m(w)" - jc rn16_ok // jmp if CF=1 - xor %rax, %rax // reg=0 if CF=0 - ret // return with failure status -rn16_ok: - mov %ax, (%rcx) - mov $0x1, %rax - ret - -//------------------------------------------------------------------------------ -// Generates a 32 bit random number through RDRAND instruction. -// Return TRUE if Rand generated successfully, or FALSE if not. -// -// BOOLEAN EFIAPI InternalX86RdRand32 (UINT32 *Rand); -//------------------------------------------------------------------------------ -ASM_GLOBAL ASM_PFX(InternalX86RdRand32) -ASM_PFX(InternalX86RdRand32): - .byte 0x0f, 0xc7, 0xf0 // rdrand r32: "0f c7 /6 ModRM:r/m(w)" - jc rn32_ok // jmp if CF=1 - xor %rax, %rax // reg=0 if CF=0 - ret // return with failure status -rn32_ok: - mov %eax, (%rcx) - mov $0x1, %rax - ret - -//------------------------------------------------------------------------------ -// Generates a 64 bit random number through RDRAND instruction. -// Return TRUE if Rand generated successfully, or FALSE if not. -// -// BOOLEAN EFIAPI InternalX86RdRand64 (UINT64 *Rand); -//------------------------------------------------------------------------------ -ASM_GLOBAL ASM_PFX(InternalX86RdRand64) -ASM_PFX(InternalX86RdRand64): - .byte 0x48, 0x0f, 0xc7, 0xf0 // rdrand r64: "REX.W + 0f c7 /6 ModRM:r/m(w)" - jc rn64_ok // jmp if CF=1 - xor %rax, %rax // reg=0 if CF=0 - ret // return with failure status -rn64_ok: - mov %rax, (%rcx) - mov $0x1, %rax - ret diff --git a/MdePkg/Library/BaseLib/X64/SetJump.S b/MdePkg/Library/BaseLib/X64/SetJump.S deleted file mode 100644 index 582f671681..0000000000 --- a/MdePkg/Library/BaseLib/X64/SetJump.S +++ /dev/null @@ -1,53 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2018, Intel Corporation. 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. -# -# Module Name: -# -# SetJump.S -# -# Abstract: -# -# Implementation of SetJump() on x86_64 -# -#------------------------------------------------------------------------------ - -ASM_GLOBAL ASM_PFX(SetJump) -ASM_PFX(SetJump): - push %rcx - add $0xffffffffffffffe0,%rsp - call ASM_PFX(InternalAssertJumpBuffer) - add $0x20,%rsp - pop %rcx - pop %rdx - mov %rbx,(%rcx) - mov %rsp,0x8(%rcx) - mov %rbp,0x10(%rcx) - mov %rdi,0x18(%rcx) - mov %rsi,0x20(%rcx) - mov %r12,0x28(%rcx) - mov %r13,0x30(%rcx) - mov %r14,0x38(%rcx) - mov %r15,0x40(%rcx) - mov %rdx,0x48(%rcx) - # save non-volatile fp registers - stmxcsr 0x50(%rcx) - movdqu %xmm6, 0x58(%rcx) - movdqu %xmm7, 0x68(%rcx) - movdqu %xmm8, 0x78(%rcx) - movdqu %xmm9, 0x88(%rcx) - movdqu %xmm10, 0x98(%rcx) - movdqu %xmm11, 0xA8(%rcx) - movdqu %xmm12, 0xB8(%rcx) - movdqu %xmm13, 0xC8(%rcx) - movdqu %xmm14, 0xD8(%rcx) - movdqu %xmm15, 0xE8(%rcx) - xor %rax,%rax - jmpq *%rdx diff --git a/MdePkg/Library/BaseLib/X64/SwitchStack.S b/MdePkg/Library/BaseLib/X64/SwitchStack.S deleted file mode 100644 index 5ce2612a7b..0000000000 --- a/MdePkg/Library/BaseLib/X64/SwitchStack.S +++ /dev/null @@ -1,52 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2018, Intel Corporation. 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. -# -# Module Name: -# -# SwitchStack.S -# -# Abstract: -# -#------------------------------------------------------------------------------ - - -#------------------------------------------------------------------------------ -# Routine Description: -# -# Routine for switching stacks with 2 parameters -# -# Arguments: -# -# (rcx) EntryPoint - Entry point with new stack. -# (rdx) Context1 - Parameter1 for entry point. -# (r8) Context2 - Parameter2 for entry point. -# (r9) NewStack - The pointer to new stack. -# -# Returns: -# -# None -# -#------------------------------------------------------------------------------ -ASM_GLOBAL ASM_PFX(InternalSwitchStack) -ASM_PFX(InternalSwitchStack): - pushq %rbp - movq %rsp, %rbp - - mov %rcx, %rax // Shift registers for new call - mov %rdx, %rcx - mov %r8, %rdx - # - # Reserve space for register parameters (rcx, rdx, r8 & r9) on the stack, - # in case the callee wishes to spill them. - # - lea -0x20(%r9), %rsp - pushq $0 // stop gdb stack unwind - jmp *%rax // call EntryPoint () diff --git a/MdePkg/Library/BaseLib/X64/Thunk16.S b/MdePkg/Library/BaseLib/X64/Thunk16.S deleted file mode 100644 index fd03b97b56..0000000000 --- a/MdePkg/Library/BaseLib/X64/Thunk16.S +++ /dev/null @@ -1,334 +0,0 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2018, Intel Corporation. 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. -# -# Module Name: -# -# Thunk16.S -# -# Abstract: -# -# Real mode thunk -# -#------------------------------------------------------------------------------ - -#include <Library/BaseLib.h> - -ASM_GLOBAL ASM_PFX(m16Start) -ASM_GLOBAL ASM_PFX(m16Size) -ASM_GLOBAL ASM_PFX(mThunk16Attr) -ASM_GLOBAL ASM_PFX(m16Gdt) -ASM_GLOBAL ASM_PFX(m16GdtrBase) -ASM_GLOBAL ASM_PFX(mTransition) -ASM_GLOBAL ASM_PFX(InternalAsmThunk16) - -# define the structure of IA32_REGS -.set _EDI, 0 #size 4 -.set _ESI, 4 #size 4 -.set _EBP, 8 #size 4 -.set _ESP, 12 #size 4 -.set _EBX, 16 #size 4 -.set _EDX, 20 #size 4 -.set _ECX, 24 #size 4 -.set _EAX, 28 #size 4 -.set _DS, 32 #size 2 -.set _ES, 34 #size 2 -.set _FS, 36 #size 2 -.set _GS, 38 #size 2 -.set _EFLAGS, 40 #size 8 -.set _EIP, 48 #size 4 -.set _CS, 52 #size 2 -.set _SS, 54 #size 2 -.set IA32_REGS_SIZE, 56 - - .data - -.set Lm16Size, ASM_PFX(InternalAsmThunk16) - ASM_PFX(m16Start) -ASM_PFX(m16Size): .word Lm16Size -.set LmThunk16Attr, L_ThunkAttr - ASM_PFX(m16Start) -ASM_PFX(mThunk16Attr): .word LmThunk16Attr -.set Lm16Gdt, ASM_PFX(NullSeg) - ASM_PFX(m16Start) -ASM_PFX(m16Gdt): .word Lm16Gdt -.set Lm16GdtrBase, _16GdtrBase - ASM_PFX(m16Start) -ASM_PFX(m16GdtrBase): .word Lm16GdtrBase -.set LmTransition, _EntryPoint - ASM_PFX(m16Start) -ASM_PFX(mTransition): .word LmTransition - - .text - -ASM_PFX(m16Start): - -SavedGdt: .space 10 - -#------------------------------------------------------------------------------ -# _BackFromUserCode() takes control in real mode after 'retf' has been executed -# by user code. It will be shadowed to somewhere in memory below 1MB. -#------------------------------------------------------------------------------ -ASM_GLOBAL ASM_PFX(BackFromUserCode) -ASM_PFX(BackFromUserCode): - # - # The order of saved registers on the stack matches the order they appears - # in IA32_REGS structure. This facilitates wrapper function to extract them - # into that structure. - # - # Some instructions for manipulation of segment registers have to be written - # in opcode since 64-bit MASM prevents accesses to those registers. - # - .byte 0x16 # push ss - .byte 0xe # push cs - .byte 0x66 - call L_Base # push eip -L_Base: - .byte 0x66 - pushq $0 # reserved high order 32 bits of EFlags - .byte 0x66, 0x9c # pushfd actually - cli # disable interrupts - push %gs - push %fs - .byte 6 # push es - .byte 0x1e # push ds - .byte 0x66,0x60 # pushad - .byte 0x66,0xba # mov edx, imm32 -L_ThunkAttr: .space 4 - testb $THUNK_ATTRIBUTE_DISABLE_A20_MASK_INT_15, %dl - jz L_1 - movl $0x15cd2401,%eax # mov ax, 2401h & int 15h - cli # disable interrupts - jnc L_2 -L_1: - testb $THUNK_ATTRIBUTE_DISABLE_A20_MASK_KBD_CTRL, %dl - jz L_2 - inb $0x92,%al - orb $2,%al - outb %al, $0x92 # deactivate A20M# -L_2: - xorw %ax, %ax # xor eax, eax - movl %ss, %eax # mov ax, ss - lea IA32_REGS_SIZE(%esp), %bp - # - # rsi in the following 2 instructions is indeed bp in 16-bit code - # - movw %bp, (_ESP - IA32_REGS_SIZE)(%rsi) - .byte 0x66 - movl (_EIP - IA32_REGS_SIZE)(%rsi), %ebx - shlw $4,%ax # shl eax, 4 - addw %ax,%bp # add ebp, eax - movw %cs,%ax - shlw $4,%ax - lea (L_64BitCode - L_Base)(%ebx, %eax), %ax - .byte 0x66,0x2e,0x89,0x87 # mov cs:[bx + (L_64Eip - L_Base)], eax - .word L_64Eip - L_Base - .byte 0x66,0xb8 # mov eax, imm32 -L_SavedCr4: .space 4 - movq %rax, %cr4 - # - # rdi in the instruction below is indeed bx in 16-bit code - # - .byte 0x66,0x2e # 2eh is "cs:" segment override - lgdt (SavedGdt - L_Base)(%rdi) - .byte 0x66 - movl $0xc0000080,%ecx - rdmsr - orb $1,%ah - wrmsr - .byte 0x66,0xb8 # mov eax, imm32 -L_SavedCr0: .space 4 - movq %rax, %cr0 - .byte 0x66,0xea # jmp far cs:L_64Bit -L_64Eip: .space 4 -L_SavedCs: .space 2 -L_64BitCode: - .byte 0x90 - .byte 0x48,0xbc # mov rsp, imm64 -L_SavedSp: .space 8 # restore stack - nop - ret - -_EntryPoint: .long ASM_PFX(ToUserCode) - ASM_PFX(m16Start) - .word CODE16 -_16Gdtr: .word GDT_SIZE - 1 -_16GdtrBase: .quad 0 -_16Idtr: .word 0x3ff - .long 0 - -#------------------------------------------------------------------------------ -# _ToUserCode() takes control in real mode before passing control to user code. -# It will be shadowed to somewhere in memory below 1MB. -#------------------------------------------------------------------------------ -ASM_GLOBAL ASM_PFX(ToUserCode) -ASM_PFX(ToUserCode): - movl %edx,%ss # set new segment selectors - movl %edx,%ds - movl %edx,%es - movl %edx,%fs - movl %edx,%gs - .byte 0x66 - movl $0xc0000080,%ecx - movq %rax, %cr0 - rdmsr - andb $0xfe, %ah # $0b11111110 - wrmsr - movq %rbp, %cr4 - movl %esi,%ss # set up 16-bit stack segment - movw %bx,%sp # set up 16-bit stack pointer - .byte 0x66 # make the following call 32-bit - call L_Base1 # push eip -L_Base1: - popw %bp # ebp <- address of L_Base1 - pushq (IA32_REGS_SIZE + 2)(%esp) - lea 0x0c(%rsi), %eax - pushq %rax - lret # execution begins at next instruction -L_RealMode: - .byte 0x66,0x2e # CS and operand size override - lidt (_16Idtr - L_Base1)(%rsi) - .byte 0x66,0x61 # popad - .byte 0x1f # pop ds - .byte 0x7 # pop es - .byte 0x0f, 0xa1 # pop fs - .byte 0x0f, 0xa9 # pop gs - .byte 0x66, 0x9d # popfd - leaw 4(%esp),%sp # skip high order 32 bits of EFlags - .byte 0x66 # make the following retf 32-bit - lret # transfer control to user code - -.set CODE16, ASM_PFX(_16Code) - . -.set DATA16, ASM_PFX(_16Data) - . -.set DATA32, ASM_PFX(_32Data) - . - -ASM_PFX(NullSeg): .quad 0 -ASM_PFX(_16Code): - .word -1 - .word 0 - .byte 0 - .byte 0x9b - .byte 0x8f # 16-bit segment, 4GB limit - .byte 0 -ASM_PFX(_16Data): - .word -1 - .word 0 - .byte 0 - .byte 0x93 - .byte 0x8f # 16-bit segment, 4GB limit - .byte 0 -ASM_PFX(_32Data): - .word -1 - .word 0 - .byte 0 - .byte 0x93 - .byte 0xcf # 16-bit segment, 4GB limit - .byte 0 - -.set GDT_SIZE, . - ASM_PFX(NullSeg) - -#------------------------------------------------------------------------------ -# IA32_REGISTER_SET * -# EFIAPI -# InternalAsmThunk16 ( -# IN IA32_REGISTER_SET *RegisterSet, -# IN OUT VOID *Transition -# ); -#------------------------------------------------------------------------------ - -ASM_GLOBAL ASM_PFX(InternalAsmThunk16) -ASM_PFX(InternalAsmThunk16): - pushq %rbp - pushq %rbx - pushq %rsi - pushq %rdi - - movl %ds, %ebx - pushq %rbx # Save ds segment register on the stack - movl %es, %ebx - pushq %rbx # Save es segment register on the stack - movl %ss, %ebx - pushq %rbx # Save ss segment register on the stack - - .byte 0x0f, 0xa0 #push fs - .byte 0x0f, 0xa8 #push gs - movq %rcx, %rsi - movzwl _SS(%rsi), %r8d - movl _ESP(%rsi), %edi - lea -(IA32_REGS_SIZE + 4)(%edi), %rdi - imul $16, %r8d, %eax - movl %edi,%ebx # ebx <- stack for 16-bit code - pushq $(IA32_REGS_SIZE / 4) - addl %eax,%edi # edi <- linear address of 16-bit stack - popq %rcx - rep - movsl # copy RegSet - lea (L_SavedCr4 - ASM_PFX(m16Start))(%rdx), %ecx - movl %edx,%eax # eax <- transition code address - andl $0xf,%edx - shll $12,%eax # segment address in high order 16 bits - .set LBackFromUserCodeDelta, ASM_PFX(BackFromUserCode) - ASM_PFX(m16Start) - lea (LBackFromUserCodeDelta)(%rdx), %ax - stosl # [edi] <- return address of user code - sgdt 0x60(%rsp) # save GDT stack in argument space - movzwq 0x60(%rsp), %r10 # r10 <- GDT limit - lea ((ASM_PFX(InternalAsmThunk16) - L_SavedCr4) + 0xf)(%rcx), %r11 - andq $0xfffffffffffffff0, %r11 # r11 <- 16-byte aligned shadowed GDT table in real mode buffer - - movw %r10w, (SavedGdt - L_SavedCr4)(%rcx) # save the limit of shadowed GDT table - movq %r11, (SavedGdt - L_SavedCr4 + 0x2)(%rcx) # save the base address of shadowed GDT table - - movq 0x62(%rsp) ,%rsi # rsi <- the original GDT base address - xchg %r10, %rcx # save rcx to r10 and initialize rcx to be the limit of GDT table - incq %rcx # rcx <- the size of memory to copy - xchg %r11, %rdi # save rdi to r11 and initialize rdi to the base address of shadowed GDT table - rep - movsb # perform memory copy to shadow GDT table - movq %r10, %rcx # restore the orignal rcx before memory copy - movq %r11, %rdi # restore the original rdi before memory copy - - sidt 0x50(%rsp) - movq %cr0, %rax - .set LSavedCrDelta, L_SavedCr0 - L_SavedCr4 - movl %eax, (LSavedCrDelta)(%rcx) - andl $0x7ffffffe,%eax # clear PE, PG bits - movq %cr4, %rbp - movl %ebp, (%rcx) # save CR4 in SavedCr4 - andl $0xffffffcf,%ebp # clear PAE, PSE bits - movl %r8d, %esi # esi <- 16-bit stack segment - .byte 0x6a, DATA32 - popq %rdx - lgdt (_16Gdtr - L_SavedCr4)(%rcx) - movl %edx,%ss - pushfq - lea -8(%rdx), %edx - lea L_RetFromRealMode(%rip), %r8 - pushq %r8 - movl %cs, %r8d - movw %r8w, (L_SavedCs - L_SavedCr4)(%rcx) - movq %rsp, (L_SavedSp - L_SavedCr4)(%rcx) - .byte 0xff, 0x69 # jmp (_EntryPoint - L_SavedCr4)(%rcx) - .set Ltemp1, _EntryPoint - L_SavedCr4 - .byte Ltemp1 -L_RetFromRealMode: - popfq - lgdt 0x60(%rsp) # restore protected mode GDTR - lidt 0x50(%rsp) # restore protected mode IDTR - lea -IA32_REGS_SIZE(%rbp), %eax - .byte 0x0f, 0xa9 # pop gs - .byte 0x0f, 0xa1 # pop fs - - popq %rbx - movl %ebx, %ss - popq %rbx - movl %ebx, %es - popq %rbx - movl %ebx, %ds - - popq %rdi - popq %rsi - popq %rbx - popq %rbp - - ret -- 2.18.0.windows.1 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
