ArmPkg: remove BaseMemoryLibVstm implementation of BaseMemoryLib

[mirror_edk2.git] / ArmPkg / Library / BaseMemoryLibVstm / Arm / CopyMem.S

diff --git a/ArmPkg/Library/BaseMemoryLibVstm/Arm/CopyMem.S b/ArmPkg/Library/BaseMemoryLibVstm/Arm/CopyMem.S
deleted file mode 100644 (file)
index 69de4c1..0000000
--- a/ArmPkg/Library/BaseMemoryLibVstm/Arm/CopyMem.S
+++ /dev/null
@@ -1,112 +0,0 @@
-#------------------------------------------------------------------------------\r
-#\r
-# CopyMem() worker for ARM\r
-#\r
-# This file started out as C code that did 64 bit moves if the buffer was\r
-# 32-bit aligned, else it does a byte copy. It also does a byte copy for\r
-# any trailing bytes. Update using VSTM/SLDM to do 128 byte copies.\r
-#\r
-# Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR>\r
-# This program and the accompanying materials\r
-# are licensed and made available under the terms and conditions of the BSD License\r
-# which accompanies this distribution.  The full text of the license may be found at\r
-# http://opensource.org/licenses/bsd-license.php\r
-#\r
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-#\r
-#------------------------------------------------------------------------------\r
-\r
-#include <AsmMacroIoLib.h>\r
-\r
-/**\r
-  Copy Length bytes from Source to Destination. Overlap is OK.\r
-\r
-  This implementation\r
-\r
-  @param  Destination Target of copy\r
-  @param  Source      Place to copy from\r
-  @param  Length      Number of bytes to copy\r
-\r
-  @return Destination\r
-\r
-\r
-VOID *\r
-EFIAPI\r
-InternalMemCopyMem (\r
-  OUT     VOID                      *DestinationBuffer,\r
-  IN      CONST VOID                *SourceBuffer,\r
-  IN      UINTN                     Length\r
-  )\r
-**/\r
-ASM_FUNC(InternalMemCopyMem)\r
-  stmfd  sp!, {r4, r9, lr}\r
-  tst  r0, #3\r
-  mov  r4, r0\r
-  mov  r9, r0\r
-  mov  ip, r2\r
-  mov  lr, r1\r
-  movne  r0, #0\r
-  bne  L4\r
-  tst  r1, #3\r
-  movne  r3, #0\r
-  moveq  r3, #1\r
-  cmp  r2, #127\r
-  movls  r0, #0\r
-  andhi  r0, r3, #1\r
-L4:\r
-  cmp  r4, r1\r
-  bcc  L26\r
-  bls  L7\r
-  rsb  r3, r1, r4\r
-  cmp  ip, r3\r
-  bcc  L26\r
-  cmp  ip, #0\r
-  beq  L7\r
-  add  r9, r4, ip\r
-  add  lr, ip, r1\r
-  b  L16\r
-L29:\r
-  sub  ip, ip, #8\r
-  cmp  ip, #7\r
-  ldrd  r2, [lr, #-8]!\r
-  movls  r0, #0\r
-  cmp  ip, #0\r
-  strd  r2, [r9, #-8]!\r
-  beq  L7\r
-L16:\r
-  cmp  r0, #0\r
-  bne  L29\r
-  sub  r3, lr, #1\r
-  sub  ip, ip, #1\r
-  ldrb  r3, [r3, #0]\r
-  sub  r2, r9, #1\r
-  cmp  ip, #0\r
-  sub  r9, r9, #1\r
-  sub  lr, lr, #1\r
-  strb  r3, [r2, #0]\r
-  bne  L16\r
-  b   L7\r
-L11:\r
-  ldrb  r3, [lr], #1\r
-  sub  ip, ip, #1\r
-  strb  r3, [r9], #1\r
-L26:\r
-  cmp  ip, #0\r
-  beq  L7\r
-L30:\r
-  cmp  r0, #0\r
-  beq  L11\r
-  sub  ip, ip, #128          // 32\r
-  cmp  ip, #127              // 31\r
-  vldm     lr!, {d0-d15}\r
-  movls  r0, #0\r
-  cmp  ip, #0\r
-  vstm  r9!, {d0-d15}\r
-  bne  L30\r
-L7:\r
-  dsb\r
-  mov  r0, r4\r
-  ldmfd  sp!, {r4, r9, pc}\r
-\r
-\r