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-rw-r--r--MdePkg/Library/BaseLib/Ia32/RdRand.asm94
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diff --git a/MdePkg/Library/BaseLib/Ia32/RdRand.asm b/MdePkg/Library/BaseLib/Ia32/RdRand.asm
deleted file mode 100644
index cb4e811098..0000000000
--- a/MdePkg/Library/BaseLib/Ia32/RdRand.asm
+++ /dev/null
@@ -1,94 +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.asm
-;
-; Abstract:
-;
-; Generates random number through CPU RdRand instruction under 32-bit platform.
-;
-; Notes:
-;
-;------------------------------------------------------------------------------
-
-.686P
-.model flat, C
-
-.code
-
-;------------------------------------------------------------------------------
-; Generates a 16 bit random number through RDRAND instruction.
-; Return TRUE if Rand generated successfully, or FALSE if not.
-;
-; BOOLEAN EFIAPI InternalX86RdRand16 (UINT16 *Rand);
-;------------------------------------------------------------------------------
-InternalX86RdRand16 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)"
- jc rn16_ok ; jmp if CF=1
- xor eax, eax ; reg=0 if CF=0
- ret ; return with failure status
-rn16_ok:
- mov edx, dword ptr [esp + 4]
- mov [edx], ax
- mov eax, 1
- ret
-InternalX86RdRand16 ENDP
-
-;------------------------------------------------------------------------------
-; Generates a 32 bit random number through RDRAND instruction.
-; Return TRUE if Rand generated successfully, or FALSE if not.
-;
-; BOOLEAN EFIAPI InternalX86RdRand32 (UINT32 *Rand);
-;------------------------------------------------------------------------------
-InternalX86RdRand32 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)"
- jc rn32_ok ; jmp if CF=1
- xor eax, eax ; reg=0 if CF=0
- ret ; return with failure status
-rn32_ok:
- mov edx, dword ptr [esp + 4]
- mov [edx], eax
- mov eax, 1
- ret
-InternalX86RdRand32 ENDP
-
-;------------------------------------------------------------------------------
-; Generates a 64 bit random number through RDRAND instruction.
-; Return TRUE if Rand generated successfully, or FALSE if not.
-;
-; BOOLEAN EFIAPI InternalX86RdRand64 (UINT64 *Rand);
-;------------------------------------------------------------------------------
-InternalX86RdRand64 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)"
- jnc rn64_ret ; jmp if CF=0
- mov edx, dword ptr [esp + 4]
- mov [edx], eax
-
- db 0fh, 0c7h, 0f0h ; generate another 32 bit RN
- jnc rn64_ret ; jmp if CF=0
- mov [edx + 4], eax
-
- mov eax, 1
- ret
-rn64_ret:
- xor eax, eax
- ret ; return with failure status
-InternalX86RdRand64 ENDP
-
- END