diff options
Diffstat (limited to 'sys/arch/macppc')
| -rw-r--r-- | sys/arch/macppc/macppc/machdep.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/sys/arch/macppc/macppc/machdep.c b/sys/arch/macppc/macppc/machdep.c index 3fde3768caf..ec843d7ad35 100644 --- a/sys/arch/macppc/macppc/machdep.c +++ b/sys/arch/macppc/macppc/machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: machdep.c,v 1.9 2001/09/28 04:13:12 drahn Exp $ */ +/* $OpenBSD: machdep.c,v 1.10 2001/11/05 22:26:57 drahn Exp $ */ /* $NetBSD: machdep.c,v 1.4 1996/10/16 19:33:11 ws Exp $ */ /* @@ -264,7 +264,7 @@ where = 3; /* * Set up trap vectors */ - for (exc = EXC_RSVD; exc <= EXC_LAST; exc += 0x100) + for (exc = EXC_RSVD; exc <= EXC_LAST; exc += 0x100) { switch (exc) { default: bcopy(&trapcode, (void *)exc, (size_t)&trapsize); @@ -309,6 +309,17 @@ where = 3; #endif break; } + } + + /* Grr, ALTIVEC_UNAVAIL is a vector not ~0xff aligned: 0x0f20 */ + bcopy(&trapcode, (void *)0xf20, (size_t)&trapsize); + /* + * since trapsize is > 0x20, we just overwrote the EXC_PERF handler + * since we do not use it, we will "share" it with the EXC_VEC, + * we dont support EXC_VEC either. + * should be a 'ba 0xf20 written' at address 0xf00, but we + * do not generate EXC_PERF exceptions... + */ syncicache((void *)EXC_RST, EXC_LAST - EXC_RST + 0x100); |