diff options
| author | Per Fogelstrom <pefo@cvs.openbsd.org> | 2004-09-27 18:52:02 +0000 |
|---|---|---|
| committer | Per Fogelstrom <pefo@cvs.openbsd.org> | 2004-09-27 18:52:02 +0000 |
| commit | 563b254b6af0261ec3cf9d1fab15537507f340b7 (patch) | |
| tree | fb6af58c811c73f40d7265748c655a1d1a2acc02 /sys | |
| parent | d2aac574548451bc6ca609a97ad7bbc64f0df406 (diff) | |
comment and clean
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/sgi/localbus/macectrl.S | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/sys/arch/sgi/localbus/macectrl.S b/sys/arch/sgi/localbus/macectrl.S index 97103b87111..8dba3ddf70d 100644 --- a/sys/arch/sgi/localbus/macectrl.S +++ b/sys/arch/sgi/localbus/macectrl.S @@ -1,4 +1,4 @@ -/* $OpenBSD: macectrl.S,v 1.4 2004/09/10 08:58:27 pefo Exp $ */ +/* $OpenBSD: macectrl.S,v 1.5 2004/09/27 18:52:01 pefo Exp $ */ /* * Copyright (c) 2004 Opsycon AB (www.opsycon.se / www.opsycon.com) @@ -36,11 +36,16 @@ .set mips3 .set noreorder # Noreorder is default style! +/* + * Update the HW interrupt mask anding the argument with the + * interrupt mask for enabled interrupts. Only enabled interrupt + * sources can be unmasked. + */ .globl hw_setintrmask LEAF(hw_setintrmask, 0) - lw v0, mace_intem PTR_L v1, hwmask_addr - nor a0, zero, a0 + lw v0, mace_intem + not a0, a0 beqz v1, 1f # addr not set, skip. and v0, a0 jr ra |