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Clean up using FIQ as ctrl-c checker so you can break in from the debugger.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10390 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
andrewfish
2010-04-21 22:08:28 +00:00
parent 55bff42e00
commit bb5127aeb7
4 changed files with 54 additions and 25 deletions
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10
EmbeddedPkg/Library/GdbDebugAgent/Arm/ExceptionSupport.ARMv6.asm
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@@ -95,7 +95,7 @@ Fiq
UndefinedInstructionEntry
sub LR, LR, #4 ; Only -2 for Thumb, adjust in CommonExceptionEntry
srsfd #0x13! ; Store return state on SVC stack
cps #0x13 ; Switch to SVC for common stack
cpsid f, #0x13 ; Switch to SVC for common stack
stmfd SP!,{LR} ; Store the link register for the current mode
sub SP,SP,#0x20 ; Save space for SP, LR, PC, IFAR - CPSR
stmfd SP!,{R0-R12} ; Store the register state
@@ -107,7 +107,7 @@ UndefinedInstructionEntry
SoftwareInterruptEntry
sub LR, LR, #4 ; Only -2 for Thumb, adjust in CommonExceptionEntry
srsfd #0x13! ; Store return state on SVC stack
; We are already in SVC mode
cpsid f ; We are already in SVC mode
stmfd SP!,{LR} ; Store the link register for the current mode
sub SP,SP,#0x20 ; Save space for SP, LR, PC, IFAR - CPSR
stmfd SP!,{R0-R12} ; Store the register state
@@ -119,7 +119,7 @@ SoftwareInterruptEntry
PrefetchAbortEntry
sub LR,LR,#4
srsfd #0x13! ; Store return state on SVC stack
cps #0x13 ; Switch to SVC for common stack
cpsid f, #0x13 ; Switch to SVC for common stack
stmfd SP!,{LR} ; Store the link register for the current mode
sub SP,SP,#0x20 ; Save space for SP, LR, PC, IFAR - CPSR
stmfd SP!,{R0-R12} ; Store the register state
@@ -131,7 +131,7 @@ PrefetchAbortEntry
DataAbortEntry
sub LR,LR,#8
srsfd #0x13! ; Store return state on SVC stack
cps #0x13 ; Switch to SVC for common stack
cpsid f, #0x13 ; Switch to SVC for common stack
stmfd SP!,{LR} ; Store the link register for the current mode
sub SP,SP,#0x20 ; Save space for SP, LR, PC, IFAR - CPSR
stmfd SP!,{R0-R12} ; Store the register state
@@ -142,7 +142,7 @@ DataAbortEntry
ReservedExceptionEntry
srsfd #0x13! ; Store return state on SVC stack
cps #0x13 ; Switch to SVC for common stack
cpsid f, #0x13 ; Switch to SVC for common stack
stmfd SP!,{LR} ; Store the link register for the current mode
sub SP,SP,#0x20 ; Save space for SP, LR, PC, IFAR - CPSR
stmfd SP!,{R0-R12} ; Store the register state