Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Use a permanent breakpoint to invoke DDB rather than constructing a trapframe 

manually.  Prevents the problem introduced in the trapframe unification
whereby continuing from DDB would cause a panic.
This commit is contained in:
bjh21 2001-01-23 22:41:16 +00:00
parent 0e4f8029c1
commit 34bf08cd05
1 changed files with 4 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
sys/arch/arm26/arm26/locore.S
View File

@ -1,4 +1,4 @@
/* $NetBSD: locore.S,v 1.11 2001/01/22 22:10:43 bjh21 Exp $ */
/* $NetBSD: locore.S,v 1.12 2001/01/23 22:41:16 bjh21 Exp $ */
/*
* Copyright (c) 1998, 1999, 2000 Ben Harris
* Copyright (C) 1994-1997 Mark Brinicombe
@ -42,6 +42,7 @@
#include <sys/syscall.h>
#include <arm/armreg.h>
#include <arm/trap.h>
#include "assym.h"
#include "opt_cputypes.h"
@ -433,14 +434,7 @@ ENTRY(longjmp)
/* void cpu_Debugger(void); */
ENTRY(cpu_Debugger)
stmfd r13!, {r14}
sub sp, sp, #(TF_SIZE - TF_R0)
str r15, [sp, #(TF_R15 - TF_R0)]
stmfd sp!, {r0-r14} /* Save all SVC-mode regs */
sub sp, sp, #TF_R0
mov r1, sp
mov r0, #0
bl _C_LABEL(kdb_trap)
add sp, sp, #TF_SIZE
.word KERNEL_BREAKPOINT
ldmfd r13!, {pc}^
#endif
@ -456,4 +450,4 @@ _C_LABEL(intrcnt):
.global _C_LABEL(eintrcnt)
_C_LABEL(eintrcnt):
RCSID("$NetBSD: locore.S,v 1.11 2001/01/22 22:10:43 bjh21 Exp $")
RCSID("$NetBSD: locore.S,v 1.12 2001/01/23 22:41:16 bjh21 Exp $")