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Diffstat (limited to 'ArmPlatformPkg/PrePeiCore/Exception.S')
-rw-r--r-- | ArmPlatformPkg/PrePeiCore/Exception.S | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/ArmPlatformPkg/PrePeiCore/Exception.S b/ArmPlatformPkg/PrePeiCore/Exception.S new file mode 100644 index 0000000000..618e0787b5 --- /dev/null +++ b/ArmPlatformPkg/PrePeiCore/Exception.S @@ -0,0 +1,106 @@ +// +// Copyright (c) 2011, ARM Limited. All rights reserved. +// +# 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. +# +# + +#include <AsmMacroIoLib.h> +#include <Base.h> +#include <AutoGen.h> + +#start of the code section +.text +.align 5
+
+# IMPORT +GCC_ASM_IMPORT(PeiCommonExceptionEntry) + +# EXPORT +GCC_ASM_EXPORT(PeiVectorTable) +
+//============================================================ +//Default Exception Handlers +//============================================================ + +//FIXME: One of the EDK2 tool is broken. It does not look to respect the alignment. Even, if we specify 32-byte alignment for this file. +Dummy1: .word 0
+Dummy2: .word 0
+ +ASM_PFX(PeiVectorTable): + b _DefaultResetHandler + b _DefaultUndefined + b _DefaultSWI + b _DefaultPrefetchAbort + b _DefaultDataAbort + b _DefaultReserved + b _DefaultIrq + b _DefaultFiq + +// +// Default Exception handlers: There is no plan to return from any of these exceptions. +// No context saving at all. +// +_DefaultResetHandler: + mov r1, lr + # Switch to SVC for common stack + cps #0x13 + mov r0, #0 + blx ASM_PFX(PeiCommonExceptionEntry) + +_DefaultUndefined: + sub r1, LR, #4 + # Switch to SVC for common stack + cps #0x13 + mov r0, #1 + blx ASM_PFX(PeiCommonExceptionEntry) + +_DefaultSWI: + sub r1, LR, #4 + # Switch to SVC for common stack + cps #0x13 + mov r0, #2 + blx ASM_PFX(PeiCommonExceptionEntry) + +_DefaultPrefetchAbort: + sub r1, LR, #4 + # Switch to SVC for common stack + cps #0x13 + mov r0, #3 + blx ASM_PFX(PeiCommonExceptionEntry) + +_DefaultDataAbort: + sub r1, LR, #8 + # Switch to SVC for common stack + cps #0x13 + mov r0, #4 + blx ASM_PFX(PeiCommonExceptionEntry) + +_DefaultReserved: + mov r1, lr + # Switch to SVC for common stack + cps #0x13 + mov r0, #5 + blx PeiCommonExceptionEntry + +_DefaultIrq: + sub r1, LR, #4 + # Switch to SVC for common stack + cps #0x13 + mov r0, #6 + blx PeiCommonExceptionEntry + +_DefaultFiq: + sub r1, LR, #4 + # Switch to SVC for common stack + cps #0x13 + mov r0, #7 + blx PeiCommonExceptionEntry +
+.end
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