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-rw-r--r--MdePkg/Library/BaseLib/X64/RdRand.S72
1 files changed, 0 insertions, 72 deletions
diff --git a/MdePkg/Library/BaseLib/X64/RdRand.S b/MdePkg/Library/BaseLib/X64/RdRand.S
deleted file mode 100644
index 0556979c25e1..000000000000
--- 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