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Add macros to decode the `turboslot' member of the Console Terminal Block.

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This commit is contained in:
thorpej 1999-04-14 23:28:31 +00:00
parent 797a7428d6
commit 25a0e78bf3
1 changed files with 18 additions and 1 deletions
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19
sys/arch/alpha/include/rpb.h
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@ -1,4 +1,4 @@
/* $NetBSD: rpb.h,v 1.29 1999/03/17 18:58:51 drochner Exp $ */
/* $NetBSD: rpb.h,v 1.30 1999/04/14 23:28:31 thorpej Exp $ */
/*
* Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
@ -368,6 +368,23 @@ struct ctb {
u_int8_t ctb_csd; /* 272: console specific data */
};
/*
* Format of the Console Terminal Block Type 4 `turboslot' field:
*
* 63 40 39 32 31 24 23 16 15 8 7 0
* | reserved | channel | hose | bus type | bus | slot|
*/
#define CTB_TURBOSLOT_CHANNEL(x) (((x) >> 32) & 0xff)
#define CTB_TURBOSLOT_HOSE(x) (((x) >> 24) & 0xff)
#define CTB_TURBOSLOT_TYPE(x) (((x) >> 16) & 0xff)
#define CTB_TURBOSLOT_BUS(x) (((x) >> 8) & 0xff)
#define CTB_TURBOSLOT_SLOT(x) ((x) & 0xff)
#define CTB_TURBOSLOT_BUS_TC 0 /* TURBOchannel */
#define CTB_TURBOSLOT_BUS_ISA 1 /* ISA */
#define CTB_TURBOSLOT_BUS_EISA 2 /* EISA */
#define CTB_TURBOSLOT_BUS_PCI 3 /* PCI */
/*
* CRD: Console Routine Descriptor
*/