ArmPlatformPkg: Change the memory model for the ARM Platform components

[mirror_edk2.git] / ArmPlatformPkg / PrePi / Exception.S

//\r
//  Copyright (c) 2011, ARM Limited. All rights reserved.\r
//  \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
#include <Base.h>\r
#include <AutoGen.h>\r
\r
#start of the code section\r
.text\r
.align 5\r
\r
# IMPORT\r
GCC_ASM_IMPORT(PrePiCommonExceptionEntry)\r
\r
# EXPORT\r
GCC_ASM_EXPORT(PrePiVectorTable)\r
\r
//============================================================\r
//Default Exception Handlers\r
//============================================================\r
  \r
ASM_PFX(PrePiVectorTable):\r
  b _DefaultResetHandler\r
  b _DefaultUndefined\r
  b _DefaultSWI\r
  b _DefaultPrefetchAbort\r
  b _DefaultDataAbort\r
  b _DefaultReserved\r
  b _DefaultIrq\r
  b _DefaultFiq\r
\r
//\r
// Default Exception handlers: There is no plan to return from any of these exceptions.\r
// No context saving at all.\r
//\r
_DefaultResetHandler:\r
  mov  r1, lr\r
  # Switch to SVC for common stack\r
  cps  #0x13\r
  mov  r0, #0\r
  blx   ASM_PFX(PrePiCommonExceptionEntry)\r
\r
_DefaultUndefined:\r
  sub  r1, LR, #4\r
  # Switch to SVC for common stack\r
  cps  #0x13\r
  mov  r0, #1\r
  blx   ASM_PFX(PrePiCommonExceptionEntry)\r
\r
_DefaultSWI:\r
  sub  r1, LR, #4\r
  # Switch to SVC for common stack\r
  cps  #0x13\r
  mov  r0, #2\r
  blx   ASM_PFX(PrePiCommonExceptionEntry)\r
\r
_DefaultPrefetchAbort:\r
  sub  r1, LR, #4\r
  # Switch to SVC for common stack\r
  cps  #0x13\r
  mov  r0, #3\r
  blx   ASM_PFX(PrePiCommonExceptionEntry)\r
\r
_DefaultDataAbort:\r
  sub  r1, LR, #8\r
  # Switch to SVC for common stack\r
  cps  #0x13\r
  mov  r0, #4\r
  blx   ASM_PFX(PrePiCommonExceptionEntry)\r
\r
_DefaultReserved:\r
  mov  r1, lr\r
  # Switch to SVC for common stack\r
  cps  #0x13\r
  mov  r0, #5\r
  blx   ASM_PFX(PrePiCommonExceptionEntry)\r
\r
_DefaultIrq:\r
  sub  r1, LR, #4\r
  # Switch to SVC for common stack\r
  cps  #0x13\r
  mov  r0, #6\r
  blx   ASM_PFX(PrePiCommonExceptionEntry)\r
\r
_DefaultFiq:\r
  sub  r1, LR, #4\r
  # Switch to SVC for common stack\r
  cps  #0x13\r
  mov  r0, #7\r
  blx   ASM_PFX(PrePiCommonExceptionEntry)\r
\r