diff options
| author | Dale S. Rahn <rahnds@cvs.openbsd.org> | 1998-09-09 04:54:44 +0000 |
|---|---|---|
| committer | Dale S. Rahn <rahnds@cvs.openbsd.org> | 1998-09-09 04:54:44 +0000 |
| commit | 285cc353e4924e8bbb01662904bf4ec7edbfedd4 (patch) | |
| tree | 1a4cbaa6d0b5f71b3f3d56e0dd0ffe3ecd244eb0 /sys/arch/powerpc | |
| parent | af0007396fc4d0e9d9fb3d698f04a97cefe444b8 (diff) | |
Weak version of support for ddb breakpoints. Works, but not fully
implemented.
Diffstat (limited to 'sys/arch/powerpc')
| -rw-r--r-- | sys/arch/powerpc/powerpc/trap.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/sys/arch/powerpc/powerpc/trap.c b/sys/arch/powerpc/powerpc/trap.c index 33edbad7d73..f0e3dd9b28a 100644 --- a/sys/arch/powerpc/powerpc/trap.c +++ b/sys/arch/powerpc/powerpc/trap.c @@ -1,4 +1,4 @@ -/* $OpenBSD: trap.c,v 1.11 1998/08/25 08:02:23 pefo Exp $ */ +/* $OpenBSD: trap.c,v 1.12 1998/09/09 04:54:43 rahnds Exp $ */ /* $NetBSD: trap.c,v 1.3 1996/10/13 03:31:37 christos Exp $ */ /* @@ -328,10 +328,27 @@ printf("pgm iar %x\n", frame->srr0); } if (frame->srr1 && (1<<14)) { /* trap instruction exception */ + /* + instr = copyin (srr0) + if (instr == BKPT_INST && uid == 0) { + db_trap(T_BREAKPOINT?) + break; + } + */ } sv.sival_int = frame->srr0; trapsignal(p, SIGILL, 0, ILL_ILLOPC, sv); break; + case EXC_PGM: + /* should check for correct byte here or panic */ +#ifdef DDB + db_save_regs(frame); + db_trap(T_BREAKPOINT); +#else + panic("trap"); +#endif + break; + case EXC_AST|EXC_USER: /* This is just here that we trap */ break; |