1 # 2 # Copyright (c) 2011-2014, ARM Limited. All rights reserved. 3 # 4 # This program and the accompanying materials 5 # are licensed and made available under the terms and conditions of the BSD License 6 # which accompanies this distribution. The full text of the license may be found at 7 # http://opensource.org/licenses/bsd-license.php 8 # 9 # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 10 # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 11 # 12 # 13 14 #include <Chipset/AArch64.h> 15 #include <AsmMacroIoLibV8.h> 16 #include <Base.h> 17 #include <AutoGen.h> 18 19 .text 20 21 //============================================================ 22 //Default Exception Handlers 23 //============================================================ 24 25 #define TO_HANDLER \ 26 EL1_OR_EL2(x1) \ 27 1: mrs x1, elr_el1 /* EL1 Exception Link Register */ ;\ 28 b 3f ;\ 29 2: mrs x1, elr_el2 /* EL2 Exception Link Register */ ;\ 30 3: bl ASM_PFX(PeiCommonExceptionEntry) ; 31 32 33 // 34 // Default Exception handlers: There is no plan to return from any of these exceptions. 35 // No context saving at all. 36 // 37 38 VECTOR_BASE(PeiVectorTable) 39 40 VECTOR_ENTRY(PeiVectorTable, ARM_VECTOR_CUR_SP0_SYNC) 41 _DefaultSyncExceptHandler_t: 42 mov x0, #EXCEPT_AARCH64_SYNCHRONOUS_EXCEPTIONS 43 TO_HANDLER 44 45 VECTOR_ENTRY(PeiVectorTable, ARM_VECTOR_CUR_SP0_IRQ) 46 _DefaultIrq_t: 47 mov x0, #EXCEPT_AARCH64_IRQ 48 TO_HANDLER 49 50 VECTOR_ENTRY(PeiVectorTable, ARM_VECTOR_CUR_SP0_FIQ) 51 _DefaultFiq_t: 52 mov x0, #EXCEPT_AARCH64_FIQ 53 TO_HANDLER 54 55 VECTOR_ENTRY(PeiVectorTable, ARM_VECTOR_CUR_SP0_SERR) 56 _DefaultSError_t: 57 mov x0, #EXCEPT_AARCH64_SERROR 58 TO_HANDLER 59 60 VECTOR_ENTRY(PeiVectorTable, ARM_VECTOR_CUR_SPx_SYNC) 61 _DefaultSyncExceptHandler_h: 62 mov x0, #EXCEPT_AARCH64_SYNCHRONOUS_EXCEPTIONS 63 TO_HANDLER 64 65 VECTOR_ENTRY(PeiVectorTable, ARM_VECTOR_CUR_SPx_IRQ) 66 _DefaultIrq_h: 67 mov x0, #EXCEPT_AARCH64_IRQ 68 TO_HANDLER 69 70 VECTOR_ENTRY(PeiVectorTable, ARM_VECTOR_CUR_SPx_FIQ) 71 _DefaultFiq_h: 72 mov x0, #EXCEPT_AARCH64_FIQ 73 TO_HANDLER 74 75 VECTOR_ENTRY(PeiVectorTable, ARM_VECTOR_CUR_SPx_SERR) 76 _DefaultSError_h: 77 mov x0, #EXCEPT_AARCH64_SERROR 78 TO_HANDLER 79 80 VECTOR_ENTRY(PeiVectorTable, ARM_VECTOR_LOW_A64_SYNC) 81 _DefaultSyncExceptHandler_LowerA64: 82 mov x0, #EXCEPT_AARCH64_SYNCHRONOUS_EXCEPTIONS 83 TO_HANDLER 84 85 VECTOR_ENTRY(PeiVectorTable, ARM_VECTOR_LOW_A64_IRQ) 86 _DefaultIrq_LowerA64: 87 mov x0, #EXCEPT_AARCH64_IRQ 88 TO_HANDLER 89 90 VECTOR_ENTRY(PeiVectorTable, ARM_VECTOR_LOW_A64_FIQ) 91 _DefaultFiq_LowerA64: 92 mov x0, #EXCEPT_AARCH64_FIQ 93 TO_HANDLER 94 95 VECTOR_ENTRY(PeiVectorTable, ARM_VECTOR_LOW_A64_SERR) 96 _DefaultSError_LowerA64: 97 mov x0, #EXCEPT_AARCH64_SERROR 98 TO_HANDLER 99 100 VECTOR_ENTRY(PeiVectorTable, ARM_VECTOR_LOW_A32_SYNC) 101 _DefaultSyncExceptHandler_LowerA32: 102 mov x0, #EXCEPT_AARCH64_SYNCHRONOUS_EXCEPTIONS 103 TO_HANDLER 104 105 VECTOR_ENTRY(PeiVectorTable, ARM_VECTOR_LOW_A32_IRQ) 106 _DefaultIrq_LowerA32: 107 mov x0, #EXCEPT_AARCH64_IRQ 108 TO_HANDLER 109 110 VECTOR_ENTRY(PeiVectorTable, ARM_VECTOR_LOW_A32_FIQ) 111 _DefaultFiq_LowerA32: 112 mov x0, #EXCEPT_AARCH64_FIQ 113 TO_HANDLER 114 115 VECTOR_ENTRY(PeiVectorTable, ARM_VECTOR_LOW_A32_SERR) 116 _DefaultSError_LowerA32: 117 mov x0, #EXCEPT_AARCH64_SERROR 118 TO_HANDLER 119 120 VECTOR_END(PeiVectorTable) 121
