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Skip the alignment fault enabling code if we came from SVC mode. It's 

already enabled in this case.
This commit is contained in:
scw 2003-10-25 21:51:31 +00:00
parent c6126e1095
commit 43be86e59c
1 changed files with 9 additions and 1 deletions
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10
sys/arch/arm/arm32/exception.S
View File

@ -1,4 +1,4 @@
/* $NetBSD: exception.S,v 1.9 2003/10/25 19:44:42 scw Exp $ */
/* $NetBSD: exception.S,v 1.10 2003/10/25 21:51:31 scw Exp $ */
/*
* Copyright (c) 1994-1997 Mark Brinicombe.
@ -300,7 +300,11 @@ ASENTRY_NP(data_abort_entry)
/* to SVC32 mode */
#if defined(COMPAT_15) && defined(EXEC_AOUT)
and r0, r0, #(PSR_MODE) /* Test for USR32 mode (r0 = spsr_all)*/
teq r0, #(PSR_USR32_MODE)
bne 99f /* Not USR mode so skip AFLT check */
ENABLE_ALIGNMENT_FAULTS
99:
#endif
mov r0, sp /* pass the stack pointer as r0 */
@ -523,7 +527,11 @@ Lundefined_handler_indirection:
ENTRY_NP(undefinedinstruction_bounce)
PUSHFRAMEINSVC
#if defined(COMPAT_15) && defined(EXEC_AOUT)
and r0, r0, #(PSR_MODE) /* Test for USR32 mode (r0 = spsr_all)*/
teq r0, #(PSR_USR32_MODE)
bne 99f /* Not USR mode so skip AFLT check */
ENABLE_ALIGNMENT_FAULTS
99:
#endif
mov r0, sp
bl _C_LABEL(undefinedinstruction)