ArmPkg/ArmPlatformPkg: position vectors relative to base

[mirror_edk2.git] / ArmPlatformPkg / PrePeiCore / AArch64 / Exception.S

#\r
#  Copyright (c) 2011-2014, 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 <Chipset/AArch64.h>\r
#include <AsmMacroIoLibV8.h>\r
#include <Base.h>\r
#include <AutoGen.h>\r
\r
.text\r
\r
//============================================================\r
//Default Exception Handlers\r
//============================================================\r
\r
#define TO_HANDLER                                              \\r
   EL1_OR_EL2(x1)                                               \\r
1: mrs  x1, elr_el1    /* EL1 Exception Link Register */       ;\\r
   b    3f                                                     ;\\r
2: mrs  x1, elr_el2    /* EL2 Exception Link Register */       ;\\r
3: bl   ASM_PFX(PeiCommonExceptionEntry)                       ;\r
\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
\r
VECTOR_BASE(PeiVectorTable)\r
\r
VECTOR_ENTRY(PeiVectorTable, ARM_VECTOR_CUR_SP0_SYNC)\r
_DefaultSyncExceptHandler_t:\r
  mov  x0, #EXCEPT_AARCH64_SYNCHRONOUS_EXCEPTIONS\r
  TO_HANDLER\r
\r
VECTOR_ENTRY(PeiVectorTable, ARM_VECTOR_CUR_SP0_IRQ)\r
_DefaultIrq_t:\r
  mov  x0, #EXCEPT_AARCH64_IRQ\r
  TO_HANDLER\r
\r
VECTOR_ENTRY(PeiVectorTable, ARM_VECTOR_CUR_SP0_FIQ)\r
_DefaultFiq_t:\r
  mov  x0, #EXCEPT_AARCH64_FIQ\r
  TO_HANDLER\r
\r
VECTOR_ENTRY(PeiVectorTable, ARM_VECTOR_CUR_SP0_SERR)\r
_DefaultSError_t:\r
  mov  x0, #EXCEPT_AARCH64_SERROR\r
  TO_HANDLER\r
\r
VECTOR_ENTRY(PeiVectorTable, ARM_VECTOR_CUR_SPx_SYNC)\r
_DefaultSyncExceptHandler_h:\r
  mov  x0, #EXCEPT_AARCH64_SYNCHRONOUS_EXCEPTIONS\r
  TO_HANDLER\r
\r
VECTOR_ENTRY(PeiVectorTable, ARM_VECTOR_CUR_SPx_IRQ)\r
_DefaultIrq_h:\r
  mov  x0, #EXCEPT_AARCH64_IRQ\r
  TO_HANDLER\r
\r
VECTOR_ENTRY(PeiVectorTable, ARM_VECTOR_CUR_SPx_FIQ)\r
_DefaultFiq_h:\r
  mov  x0, #EXCEPT_AARCH64_FIQ\r
  TO_HANDLER\r
\r
VECTOR_ENTRY(PeiVectorTable, ARM_VECTOR_CUR_SPx_SERR)\r
_DefaultSError_h:\r
  mov  x0, #EXCEPT_AARCH64_SERROR\r
  TO_HANDLER\r
\r
VECTOR_END(PeiVectorTable)\r