diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2008-08-19 08:26:21 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2008-08-19 08:26:21 +0000 |
| commit | 1ec561708aff35ace242a2d0c9b153cb2b219d90 (patch) | |
| tree | dd9de4629af297f342a1224f592791680a231ffb /sys | |
| parent | ca0cf0c3b379b813dbe437622ed6062142b315b3 (diff) | |
Make it possible to enter ddb from the serial console.
ok miod@, deraadt@
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/macppc/macppc/db_interface.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/arch/macppc/macppc/db_interface.c b/sys/arch/macppc/macppc/db_interface.c index 6d686390fbb..db288ef2fb9 100644 --- a/sys/arch/macppc/macppc/db_interface.c +++ b/sys/arch/macppc/macppc/db_interface.c @@ -1,4 +1,4 @@ -/* $OpenBSD: db_interface.c,v 1.7 2003/10/15 17:50:16 drahn Exp $ */ +/* $OpenBSD: db_interface.c,v 1.8 2008/08/19 08:26:20 kettenis Exp $ */ /* $NetBSD: db_interface.c,v 1.12 2001/07/22 11:29:46 wiz Exp $ */ #include <sys/param.h> @@ -10,6 +10,8 @@ #include <machine/db_machdep.h> #include <ddb/db_extern.h> +int db_active = 0; + int ddb_trap_glue(struct trapframe *frame); /* called from locore */ void @@ -31,9 +33,11 @@ ddb_trap_glue(struct trapframe *frame) DDB_REGS->tf.srr0 = frame->srr0; DDB_REGS->tf.srr1 = frame->srr1; + db_active++; cnpollc(TRUE); db_trap(T_BREAKPOINT, 0); cnpollc(FALSE); + db_active--; bcopy(DDB_REGS->tf.fixreg, frame->fixreg, 32 * sizeof(u_int32_t)); |