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authorThomas Palmer <thomas.palmer@hpe.com>2015-10-09 06:03:34 +0000
committerqlong <qlong@Edk2>2015-10-09 06:03:34 +0000
commit9ad48dd148e167261161a606e120a3132048e1e9 (patch)
tree07da9e682cbdb15da0b3785d6beabf440b8745e8 /SecurityPkg/RandomNumberGenerator
parent3b60842ce780b3c37e4a0b87705e44c5339799df (diff)
downloadedk2-9ad48dd148e167261161a606e120a3132048e1e9.tar.gz
edk2-9ad48dd148e167261161a606e120a3132048e1e9.tar.bz2
edk2-9ad48dd148e167261161a606e120a3132048e1e9.zip
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
Diffstat (limited to 'SecurityPkg/RandomNumberGenerator')
-rw-r--r--SecurityPkg/RandomNumberGenerator/RngDxe/IA32/AsmRdRand.asm67
-rw-r--r--SecurityPkg/RandomNumberGenerator/RngDxe/IA32/GccRdRand.c69
-rw-r--r--SecurityPkg/RandomNumberGenerator/RngDxe/IA32/RdRandWord.c104
-rw-r--r--SecurityPkg/RandomNumberGenerator/RngDxe/X64/AsmRdRand.asm83
-rw-r--r--SecurityPkg/RandomNumberGenerator/RngDxe/X64/GccRdRand.c95
-rw-r--r--SecurityPkg/RandomNumberGenerator/RngDxe/X64/RdRandWord.c70
6 files changed, 0 insertions, 488 deletions
diff --git a/SecurityPkg/RandomNumberGenerator/RngDxe/IA32/AsmRdRand.asm b/SecurityPkg/RandomNumberGenerator/RngDxe/IA32/AsmRdRand.asm
deleted file mode 100644
index 37b38307e2..0000000000
--- a/SecurityPkg/RandomNumberGenerator/RngDxe/IA32/AsmRdRand.asm
+++ /dev/null
@@ -1,67 +0,0 @@
-;------------------------------------------------------------------------------
-;
-; 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.
-;
-; Module Name:
-;
-; AsmRdRand.Asm
-;
-; Abstract:
-;
-; Implementation for 16-, and 32- invocations of RDRAND instruction under 32bit platform.
-;
-; Notes:
-;
-; Visual Studio coding practices do not use inline asm since multiple compilers and
-; architectures are supported assembler not recognizing rdrand instruction so using DB's.
-;
-;------------------------------------------------------------------------------
-
- .586P
- .model flat, C
- .code
-
-;------------------------------------------------------------------------------
-; Generate a 16 bit random number
-; Return TRUE if Rand generated successfully, or FALSE if not
-;
-; BOOLEAN EFIAPI RdRand16Step (UINT16 *Rand); ECX
-;------------------------------------------------------------------------------
-RdRand16Step PROC
- ; rdrand ax ; generate a 16 bit RN into ax, CF=1 if RN generated ok, otherwise CF=0
- db 0fh, 0c7h, 0f0h ; rdrand r16: "0f c7 /6 ModRM:r/m(w)"
- jb rn16_ok ; jmp if CF=1
- xor eax, eax ; reg=0 if CF=0
- ret ; return with failure status
-rn16_ok:
- mov [ecx], ax
- mov eax, 1
- ret
-RdRand16Step ENDP
-
-;------------------------------------------------------------------------------
-; Generate a 32 bit random number
-; Return TRUE if Rand generated successfully, or FALSE if not
-;
-; BOOLEAN EFIAPI RdRand32Step (UINT32 *Rand); ECX
-;------------------------------------------------------------------------------
-RdRand32Step PROC
- ; rdrand eax ; generate a 32 bit RN into eax, CF=1 if RN generated ok, otherwise CF=0
- db 0fh, 0c7h, 0f0h ; rdrand r32: "0f c7 /6 ModRM:r/m(w)"
- jb rn32_ok ; jmp if CF=1
- xor eax, eax ; reg=0 if CF=0
- ret ; return with failure status
-rn32_ok:
- mov [ecx], eax
- mov eax, 1
- ret
-RdRand32Step ENDP
-
- END
diff --git a/SecurityPkg/RandomNumberGenerator/RngDxe/IA32/GccRdRand.c b/SecurityPkg/RandomNumberGenerator/RngDxe/IA32/GccRdRand.c
deleted file mode 100644
index f42302afe3..0000000000
--- a/SecurityPkg/RandomNumberGenerator/RngDxe/IA32/GccRdRand.c
+++ /dev/null
@@ -1,69 +0,0 @@
-/** @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.
-
- @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
-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;
-} \ No newline at end of file
diff --git a/SecurityPkg/RandomNumberGenerator/RngDxe/IA32/RdRandWord.c b/SecurityPkg/RandomNumberGenerator/RngDxe/IA32/RdRandWord.c
deleted file mode 100644
index 125c53b3d3..0000000000
--- a/SecurityPkg/RandomNumberGenerator/RngDxe/IA32/RdRandWord.c
+++ /dev/null
@@ -1,104 +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"
-
-/**
- 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
- )
-{
- UINT32 RandLow;
- UINT32 RandHigh;
-
- //
- // Generating a 64-bit rand on a 32-bit system by
- // mapping two 32-bit RDRAND instructions.
- //
- if (!RdRand32Step (&RandLow)) {
- return FALSE;
- }
- if (!RdRand32Step (&RandHigh)) {
- return FALSE;
- }
-
- *Rand = (UINT64) RandLow | LShiftU64 ((UINT64)RandHigh, 32);
-
- return TRUE;
-}
-
-/**
- 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 RdRand32 (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 (32-bit) Random Number with possible retry-loop.
- //
- Status = RdRand32 (RandBuffer, TRUE);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- RandBuffer++;
- }
-
- return EFI_SUCCESS;
-}
diff --git a/SecurityPkg/RandomNumberGenerator/RngDxe/X64/AsmRdRand.asm b/SecurityPkg/RandomNumberGenerator/RngDxe/X64/AsmRdRand.asm
deleted file mode 100644
index 8a4fe65d05..0000000000
--- a/SecurityPkg/RandomNumberGenerator/RngDxe/X64/AsmRdRand.asm
+++ /dev/null
@@ -1,83 +0,0 @@
-;------------------------------------------------------------------------------
-;
-; 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.
-;
-; Module Name:
-;
-; AsmRdRand.Asm
-;
-; Abstract:
-;
-; Implementation for 16-, 32-, and 64-bit invocations of RDRAND instruction under 64bit platform.
-;
-; Notes:
-;
-; Visual Studio coding practices do not use inline asm since multiple compilers and
-; architectures are supported assembler not recognizing rdrand instruction so using DB's.
-;
-;------------------------------------------------------------------------------
-
- .code
-
-;------------------------------------------------------------------------------
-; Generate a 16 bit random number
-; Return TRUE if Rand generated successfully, or FALSE if not
-;
-; BOOLEAN EFIAPI RdRand16Step (UINT16 *Rand); RCX
-;------------------------------------------------------------------------------
-RdRand16Step PROC
- ; rdrand ax ; generate a 16 bit RN into ax, CF=1 if RN generated ok, otherwise CF=0
- db 0fh, 0c7h, 0f0h ; rdrand r16: "0f c7 /6 ModRM:r/m(w)"
- jb rn16_ok ; jmp if CF=1
- xor rax, rax ; reg=0 if CF=0
- ret ; return with failure status
-rn16_ok:
- mov [rcx], ax
- mov rax, 1
- ret
-RdRand16Step ENDP
-
-;------------------------------------------------------------------------------
-; Generate a 32 bit random number
-; Return TRUE if Rand generated successfully, or FALSE if not
-;
-; BOOLEAN EFIAPI RdRand32Step (UINT32 *Rand); RCX
-;------------------------------------------------------------------------------
-RdRand32Step PROC
- ; rdrand eax ; generate a 32 bit RN into eax, CF=1 if RN generated ok, otherwise CF=0
- db 0fh, 0c7h, 0f0h ; rdrand r32: "0f c7 /6 ModRM:r/m(w)"
- jb rn32_ok ; jmp if CF=1
- xor rax, rax ; reg=0 if CF=0
- ret ; return with failure status
-rn32_ok:
- mov [rcx], eax
- mov rax, 1
- ret
-RdRand32Step ENDP
-
-;------------------------------------------------------------------------------
-; Generate a 64 bit random number
-; Return TRUE if RN generated successfully, or FALSE if not
-;
-; BOOLEAN EFIAPI RdRand64Step (UINT64 *Random); RCX
-;------------------------------------------------------------------------------
-RdRand64Step PROC
- ; rdrand rax ; generate a 64 bit RN into rax, CF=1 if RN generated ok, otherwise CF=0
- db 048h, 0fh, 0c7h, 0f0h ; rdrand r64: "REX.W + 0F C7 /6 ModRM:r/m(w)"
- jb rn64_ok ; jmp if CF=1
- xor rax, rax ; reg=0 if CF=0
- ret ; return with failure status
-rn64_ok:
- mov [rcx], rax
- mov rax, 1
- ret
-RdRand64Step ENDP
-
- END
diff --git a/SecurityPkg/RandomNumberGenerator/RngDxe/X64/GccRdRand.c b/SecurityPkg/RandomNumberGenerator/RngDxe/X64/GccRdRand.c
deleted file mode 100644
index d28336de48..0000000000
--- a/SecurityPkg/RandomNumberGenerator/RngDxe/X64/GccRdRand.c
+++ /dev/null
@@ -1,95 +0,0 @@
-/** @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.
-
- @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
-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;
-}
diff --git a/SecurityPkg/RandomNumberGenerator/RngDxe/X64/RdRandWord.c b/SecurityPkg/RandomNumberGenerator/RngDxe/X64/RdRandWord.c
deleted file mode 100644
index 946e5babaa..0000000000
--- a/SecurityPkg/RandomNumberGenerator/RngDxe/X64/RdRandWord.c
+++ /dev/null
@@ -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;
-} \ No newline at end of file