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SecurityPkg: Clean up unused files in RngDxe
Clean up files in RngDxe/IA32 and RngDxe/X64 that are subsumed by files in BaseRngLib. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Thomas Palmer <thomas.palmer@hpe.com> Reviewed-by: Samer El-Haj-Mahmoud <elhaj@hpe.com> Reviewed-by: Michael Kinney <michael.d.kinney@intel.com> Reviewed-by: Chao Zhang <chao.b.zhang@intel.com> Reviewed-by: Qin Long <qin.long@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18592 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Thomas Palmer
qlong
parent
3b60842ce7
commit
9ad48dd148
@ -1,67 +0,0 @@
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;------------------------------------------------------------------------------
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;
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; Copyright (c) 2013, Intel Corporation. All rights reserved.<BR>
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; This program and the accompanying materials
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; are licensed and made available under the terms and conditions of the BSD License
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; which accompanies this distribution. The full text of the license may be found at
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; http://opensource.org/licenses/bsd-license.php.
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;
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; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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;
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; Module Name:
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;
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; AsmRdRand.Asm
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;
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; Abstract:
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;
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; Implementation for 16-, and 32- invocations of RDRAND instruction under 32bit platform.
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;
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; Notes:
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;
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; Visual Studio coding practices do not use inline asm since multiple compilers and
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; architectures are supported assembler not recognizing rdrand instruction so using DB's.
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;
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;------------------------------------------------------------------------------
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.586P
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.model flat, C
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.code
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;------------------------------------------------------------------------------
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; Generate a 16 bit random number
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; Return TRUE if Rand generated successfully, or FALSE if not
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;
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; BOOLEAN EFIAPI RdRand16Step (UINT16 *Rand); ECX
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;------------------------------------------------------------------------------
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RdRand16Step PROC
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; rdrand ax ; generate a 16 bit RN into ax, CF=1 if RN generated ok, otherwise CF=0
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db 0fh, 0c7h, 0f0h ; rdrand r16: "0f c7 /6 ModRM:r/m(w)"
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jb rn16_ok ; jmp if CF=1
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xor eax, eax ; reg=0 if CF=0
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ret ; return with failure status
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rn16_ok:
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mov [ecx], ax
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mov eax, 1
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ret
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RdRand16Step ENDP
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;------------------------------------------------------------------------------
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; Generate a 32 bit random number
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; Return TRUE if Rand generated successfully, or FALSE if not
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;
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; BOOLEAN EFIAPI RdRand32Step (UINT32 *Rand); ECX
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;------------------------------------------------------------------------------
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RdRand32Step PROC
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; rdrand eax ; generate a 32 bit RN into eax, CF=1 if RN generated ok, otherwise CF=0
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db 0fh, 0c7h, 0f0h ; rdrand r32: "0f c7 /6 ModRM:r/m(w)"
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jb rn32_ok ; jmp if CF=1
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xor eax, eax ; reg=0 if CF=0
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ret ; return with failure status
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rn32_ok:
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mov [ecx], eax
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mov eax, 1
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ret
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RdRand32Step ENDP
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END
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@ -1,69 +0,0 @@
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/** @file
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RDRAND Support Routines for GCC environment.
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Copyright (c) 2013, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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/**
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Generates a 16-bit random number through RDRAND instruction.
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@param[out] Rand Buffer pointer to store the random result.
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@retval TRUE RDRAND call was successful.
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@retval FALSE Failed attempts to call RDRAND.
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**/
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BOOLEAN
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EFIAPI
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RdRand16Step (
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OUT UINT16 *Rand
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)
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{
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UINT8 Carry;
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//
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// Uses byte code for RDRAND instruction,
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// in case that GCC version has no direct support on RDRAND assembly.
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//
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__asm__ __volatile__ (
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".byte 0x66; .byte 0x0f; .byte 0xc7; .byte 0xf0; setc %1"
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:"=a" (*Rand),
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"=qm" (Carry)
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);
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return (BOOLEAN) Carry;
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}
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/**
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Generates a 32-bit random number through RDRAND instruction.
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@param[out] Rand Buffer pointer to store the random result.
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@retval TRUE RDRAND call was successful.
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@retval FALSE Failed attempts to call RDRAND.
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**/
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BOOLEAN
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EFIAPI
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RdRand32Step (
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OUT UINT32 *Rand
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)
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{
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UINT8 Carry;
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__asm__ __volatile__ (
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".byte 0x0f; .byte 0xc7; .byte 0xf0; setc %1"
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:"=a" (*Rand),
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"=qm" (Carry)
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);
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return (BOOLEAN) Carry;
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}
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@ -1,104 +0,0 @@
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/** @file
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RDRAND Support Routines.
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Copyright (c) 2013, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "RdRand.h"
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/**
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Generates a 64-bit random number through RDRAND instruction.
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@param[out] Rand Buffer pointer to store the random result.
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@retval TRUE RDRAND call was successful.
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@retval FALSE Failed attempts to call RDRAND.
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**/
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BOOLEAN
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EFIAPI
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RdRand64Step (
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OUT UINT64 *Rand
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)
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{
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UINT32 RandLow;
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UINT32 RandHigh;
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//
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// Generating a 64-bit rand on a 32-bit system by
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// mapping two 32-bit RDRAND instructions.
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//
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if (!RdRand32Step (&RandLow)) {
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return FALSE;
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}
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if (!RdRand32Step (&RandHigh)) {
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return FALSE;
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}
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*Rand = (UINT64) RandLow | LShiftU64 ((UINT64)RandHigh, 32);
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return TRUE;
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}
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/**
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Calls RDRAND to request a word-length random number.
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@param[out] Rand Buffer pointer to store the random number.
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@param[in] NeedRetry Determine whether or not to loop retry.
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@retval EFI_SUCCESS Random word generation succeeded.
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@retval EFI_NOT_READY Failed to request random word.
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**/
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EFI_STATUS
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EFIAPI
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RdRandWord (
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OUT UINTN *Rand,
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IN BOOLEAN NeedRetry
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)
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{
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return RdRand32 (Rand, NeedRetry);
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}
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/**
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Calls RDRAND to request multiple word-length random numbers.
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@param[in] Length Size of the buffer, in words, to fill with.
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@param[out] RandBuffer Pointer to the buffer to store the random result.
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@retval EFI_SUCCESS Random words generation succeeded.
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@retval EFI_NOT_READY Failed to request random words.
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**/
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EFI_STATUS
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EFIAPI
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RdRandGetWords (
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IN UINTN Length,
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OUT UINTN *RandBuffer
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)
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{
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EFI_STATUS Status;
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UINT32 Index;
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for (Index = 0; Index < Length; Index++) {
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//
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// Obtain one word-length (32-bit) Random Number with possible retry-loop.
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//
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Status = RdRand32 (RandBuffer, TRUE);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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RandBuffer++;
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}
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return EFI_SUCCESS;
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}
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@ -1,83 +0,0 @@
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;------------------------------------------------------------------------------
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;
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; Copyright (c) 2013, Intel Corporation. All rights reserved.<BR>
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; This program and the accompanying materials
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; are licensed and made available under the terms and conditions of the BSD License
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; which accompanies this distribution. The full text of the license may be found at
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; http://opensource.org/licenses/bsd-license.php.
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;
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; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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;
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; Module Name:
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;
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; AsmRdRand.Asm
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;
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; Abstract:
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;
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; Implementation for 16-, 32-, and 64-bit invocations of RDRAND instruction under 64bit platform.
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;
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; Notes:
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;
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; Visual Studio coding practices do not use inline asm since multiple compilers and
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; architectures are supported assembler not recognizing rdrand instruction so using DB's.
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;
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;------------------------------------------------------------------------------
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.code
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;------------------------------------------------------------------------------
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; Generate a 16 bit random number
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; Return TRUE if Rand generated successfully, or FALSE if not
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;
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; BOOLEAN EFIAPI RdRand16Step (UINT16 *Rand); RCX
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;------------------------------------------------------------------------------
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RdRand16Step PROC
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; rdrand ax ; generate a 16 bit RN into ax, CF=1 if RN generated ok, otherwise CF=0
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db 0fh, 0c7h, 0f0h ; rdrand r16: "0f c7 /6 ModRM:r/m(w)"
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jb rn16_ok ; jmp if CF=1
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xor rax, rax ; reg=0 if CF=0
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ret ; return with failure status
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rn16_ok:
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mov [rcx], ax
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mov rax, 1
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ret
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RdRand16Step ENDP
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;------------------------------------------------------------------------------
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; Generate a 32 bit random number
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; Return TRUE if Rand generated successfully, or FALSE if not
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;
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; BOOLEAN EFIAPI RdRand32Step (UINT32 *Rand); RCX
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;------------------------------------------------------------------------------
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RdRand32Step PROC
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; rdrand eax ; generate a 32 bit RN into eax, CF=1 if RN generated ok, otherwise CF=0
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db 0fh, 0c7h, 0f0h ; rdrand r32: "0f c7 /6 ModRM:r/m(w)"
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jb rn32_ok ; jmp if CF=1
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xor rax, rax ; reg=0 if CF=0
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ret ; return with failure status
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rn32_ok:
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mov [rcx], eax
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mov rax, 1
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ret
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RdRand32Step ENDP
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;------------------------------------------------------------------------------
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; Generate a 64 bit random number
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; Return TRUE if RN generated successfully, or FALSE if not
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;
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; BOOLEAN EFIAPI RdRand64Step (UINT64 *Random); RCX
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;------------------------------------------------------------------------------
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RdRand64Step PROC
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; rdrand rax ; generate a 64 bit RN into rax, CF=1 if RN generated ok, otherwise CF=0
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db 048h, 0fh, 0c7h, 0f0h ; rdrand r64: "REX.W + 0F C7 /6 ModRM:r/m(w)"
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jb rn64_ok ; jmp if CF=1
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xor rax, rax ; reg=0 if CF=0
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ret ; return with failure status
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rn64_ok:
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mov [rcx], rax
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mov rax, 1
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ret
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RdRand64Step ENDP
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END
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@ -1,95 +0,0 @@
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/** @file
|
|
||||||
RDRAND Support Routines for GCC environment.
|
|
||||||
|
|
||||||
Copyright (c) 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.
|
|
||||||
|
|
||||||
**/
|
|
||||||
|
|
||||||
/**
|
|
||||||
Generates a 16-bit random number through RDRAND instruction.
|
|
||||||
|
|
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@param[out] Rand Buffer pointer to store the random result.
|
|
||||||
|
|
||||||
@retval TRUE RDRAND call was successful.
|
|
||||||
@retval FALSE Failed attempts to call RDRAND.
|
|
||||||
|
|
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**/
|
|
||||||
BOOLEAN
|
|
||||||
EFIAPI
|
|
||||||
RdRand16Step (
|
|
||||||
OUT UINT16 *Rand
|
|
||||||
)
|
|
||||||
{
|
|
||||||
UINT8 Carry;
|
|
||||||
|
|
||||||
//
|
|
||||||
// Uses byte code for RDRAND instruction,
|
|
||||||
// in case that GCC version has no direct support on RDRAND assembly.
|
|
||||||
//
|
|
||||||
__asm__ __volatile__ (
|
|
||||||
".byte 0x66; .byte 0x0f; .byte 0xc7; .byte 0xf0; setc %1"
|
|
||||||
:"=a" (*Rand),
|
|
||||||
"=qm" (Carry)
|
|
||||||
);
|
|
||||||
|
|
||||||
return (BOOLEAN) Carry;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
Generates a 32-bit random number through RDRAND instruction.
|
|
||||||
|
|
||||||
@param[out] Rand Buffer pointer to store the random result.
|
|
||||||
|
|
||||||
@retval TRUE RDRAND call was successful.
|
|
||||||
@retval FALSE Failed attempts to call RDRAND.
|
|
||||||
|
|
||||||
**/
|
|
||||||
BOOLEAN
|
|
||||||
EFIAPI
|
|
||||||
RdRand32Step (
|
|
||||||
OUT UINT32 *Rand
|
|
||||||
)
|
|
||||||
{
|
|
||||||
UINT8 Carry;
|
|
||||||
|
|
||||||
__asm__ __volatile__ (
|
|
||||||
".byte 0x0f; .byte 0xc7; .byte 0xf0; setc %1"
|
|
||||||
:"=a" (*Rand),
|
|
||||||
"=qm" (Carry)
|
|
||||||
);
|
|
||||||
|
|
||||||
return (BOOLEAN) Carry;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
Generates a 64-bit random number through RDRAND instruction.
|
|
||||||
|
|
||||||
@param[out] Rand Buffer pointer to store the random result.
|
|
||||||
|
|
||||||
@retval TRUE RDRAND call was successful.
|
|
||||||
@retval FALSE Failed attempts to call RDRAND.
|
|
||||||
|
|
||||||
**/
|
|
||||||
BOOLEAN
|
|
||||||
EFIAPI
|
|
||||||
RdRand64Step (
|
|
||||||
OUT UINT64 *Rand
|
|
||||||
)
|
|
||||||
{
|
|
||||||
UINT8 Carry;
|
|
||||||
|
|
||||||
__asm__ __volatile__ (
|
|
||||||
".byte 0x48; .byte 0x0f; .byte 0xc7; .byte 0xf0; setc %1"
|
|
||||||
:"=a" (*Rand),
|
|
||||||
"=qm" (Carry)
|
|
||||||
);
|
|
||||||
|
|
||||||
return (BOOLEAN) Carry;
|
|
||||||
}
|
|
||||||
@ -1,70 +0,0 @@
|
|||||||
/** @file
|
|
||||||
RDRAND Support Routines.
|
|
||||||
|
|
||||||
Copyright (c) 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.
|
|
||||||
|
|
||||||
**/
|
|
||||||
|
|
||||||
#include "RdRand.h"
|
|
||||||
|
|
||||||
/**
|
|
||||||
Calls RDRAND to request a word-length random number.
|
|
||||||
|
|
||||||
@param[out] Rand Buffer pointer to store the random number.
|
|
||||||
@param[in] NeedRetry Determine whether or not to loop retry.
|
|
||||||
|
|
||||||
@retval EFI_SUCCESS Random word generation succeeded.
|
|
||||||
@retval EFI_NOT_READY Failed to request random word.
|
|
||||||
|
|
||||||
**/
|
|
||||||
EFI_STATUS
|
|
||||||
EFIAPI
|
|
||||||
RdRandWord (
|
|
||||||
OUT UINTN *Rand,
|
|
||||||
IN BOOLEAN NeedRetry
|
|
||||||
)
|
|
||||||
{
|
|
||||||
return RdRand64 (Rand, NeedRetry);
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
Calls RDRAND to request multiple word-length random numbers.
|
|
||||||
|
|
||||||
@param[in] Length Size of the buffer, in words, to fill with.
|
|
||||||
@param[out] RandBuffer Pointer to the buffer to store the random result.
|
|
||||||
|
|
||||||
@retval EFI_SUCCESS Random words generation succeeded.
|
|
||||||
@retval EFI_NOT_READY Failed to request random words.
|
|
||||||
|
|
||||||
**/
|
|
||||||
EFI_STATUS
|
|
||||||
EFIAPI
|
|
||||||
RdRandGetWords (
|
|
||||||
IN UINTN Length,
|
|
||||||
OUT UINTN *RandBuffer
|
|
||||||
)
|
|
||||||
{
|
|
||||||
EFI_STATUS Status;
|
|
||||||
UINT32 Index;
|
|
||||||
|
|
||||||
for (Index = 0; Index < Length; Index++) {
|
|
||||||
//
|
|
||||||
// Obtain one word-length (64-bit) Random Number with possible retry-loop.
|
|
||||||
//
|
|
||||||
Status = RdRand64 (RandBuffer, TRUE);
|
|
||||||
if (EFI_ERROR (Status)) {
|
|
||||||
return Status;
|
|
||||||
}
|
|
||||||
|
|
||||||
RandBuffer++;
|
|
||||||
}
|
|
||||||
|
|
||||||
return EFI_SUCCESS;
|
|
||||||
}
|
|
||||||
Loading…
x
Reference in New Issue
Block a user