diff options
Diffstat (limited to 'sys/arch/hppa/include/pdc.h')
| -rw-r--r-- | sys/arch/hppa/include/pdc.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/sys/arch/hppa/include/pdc.h b/sys/arch/hppa/include/pdc.h index 88481b0e452..deb604c4637 100644 --- a/sys/arch/hppa/include/pdc.h +++ b/sys/arch/hppa/include/pdc.h @@ -1,4 +1,4 @@ -/* $OpenBSD: pdc.h,v 1.16 2002/01/25 21:26:41 mickey Exp $ */ +/* $OpenBSD: pdc.h,v 1.17 2002/02/08 20:43:16 miod Exp $ */ /* * Copyright (c) 1990 mt Xinu, Inc. All rights reserved. @@ -523,6 +523,14 @@ struct device_path { #define PZF_TIMER 0x0f /* power of 2 # secs "boot timer" (0 == dflt) */ #define PZF_BITS "\020\010autoboot\07autosearch" +/* macros to decode serial parameters out of dp_layers */ +#define PZL_BITS(l) (((l) & 0x03) + 5) +#define PZL_PARITY(l) (((l) & 0x18) >> 3) +#define PZL_SPEED(l) (((l) & 0x3c0) >> 6) +#define PZL_ENCODE(bits, parity, speed) \ + (((bits) - 5) & 0x03) | (((parity) & 0x3) << 3) | \ + (((speed) & 0x10) << 6) + /* * A processors Stable Storage is accessed through the PDC. There are * at least 96 bytes of stable storage (the device path information may |