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Definitions of some OBP generated CPU mailbox messages.

This commit is contained in:
pk 2003-01-16 14:43:07 +00:00
parent 4fc750a8e7
commit 72286d4202
1 changed files with 31 additions and 1 deletions
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32
sys/arch/sparc/include/bsd_openprom.h
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@ -1,4 +1,4 @@
/* $NetBSD: bsd_openprom.h,v 1.18 2002/08/23 01:08:45 thorpej Exp $ */
/* $NetBSD: bsd_openprom.h,v 1.19 2003/01/16 14:43:07 pk Exp $ */
/*
* Copyright (c) 1992, 1993
@ -352,4 +352,34 @@ struct nodeops {
/* Frequently used options node */
extern int optionsnode;
/*
* OBP Module mailbox messages for multi processor machines.
*
* 00..7F : power-on self test
* 80..8F : active in boot prom (at the "ok" prompt)
* 90..EF : idle in boot prom
* F0 : active in application
* F1..FA : reserved for future use
*
* FB : pv_v3cpustop(node) was called for this CPU,
* respond by calling pv_v3cpustop(0).
*
* FC : pv_v3cpuidle(node) was called for this CPU,
* respond by calling pv_v3cpuidle(0).
*
* FD : One processor hit a BREAKPOINT, call pv_v3cpuidle(0).
* [According to SunOS4 header; but what breakpoint?]
*
* FE : One processor got a WATCHDOG RESET, call pv_v3cpustop(0).
* [According to SunOS4 header; never seen this, although
* I've had plenty of watchdogs already]
*
* FF : This processor is not available.
*/
#define OPENPROM_MBX_STOP 0xfb
#define OPENPROM_MBX_ABORT 0xfc
#define OPENPROM_MBX_BPT 0xfd
#define OPENPROM_MBX_WD 0xfe
#endif /* _BSD_OPENPROM_H_ */