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/* $OpenBSD: prom.h,v 1.6 2013/10/10 21:24:59 miod Exp $ */
/*
* Copyright (c) 2006, Miodrag Vallat.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _MACHINE_PROM_H_
#define _MACHINE_PROM_H_
#include <sys/cdefs.h>
/* SCM trap vector */
#define SCM_VECTOR 496
/* system calls */
#define SCM_CHAR 0x00
#define SCM_OCHAR 0x20
#define SCM_PTLINE 0x21
#define SCM_OCRLF 0x26
#define SCM_HALT 0x63
#define SCM_STDIO 0x70
#define SCM_JPSTART 0x100
#define SCM_REBOOT 0x101
#define SCM_CPUID 0x102
#define SCM_MSIZE 0x103
#define SCM_REVNUM 0x104
#define SCM_HOSTID 0x107
#define SCM_INVALID 0x112
#define SCM_COMMID 0x114
/* 88204 PROMs only system calls */
#define SCM_SYSID 0x31
#define SCM_CPUCONFIG 0x107
/* SCM_JPSTART return values */
#define JPSTART_OK 0
#define JPSTART_NO_JP 1
#define JPSTART_SINGLE_JP 2
#define JPSTART_NOT_IDLE 3
#define JPSTART_NO_ANSWER 4
struct scm_cpuconfig {
u_int32_t version;
#define SCM_CPUCONFIG_VERSION 0
u_int32_t cpucount; /* # of CPUs */
u_int16_t igang, dgang; /* # of CMMUs per CPU */
u_int32_t isplit, dsplit; /* CMMU split bits */
u_int32_t :32;
};
int scm_cpuconfig(struct scm_cpuconfig *);
u_int scm_cpuid(void);
int scm_getc(void);
void scm_getenaddr(u_char *);
__dead void scm_halt(void);
u_int scm_jpstart(cpuid_t, vaddr_t);
u_int scm_memsize(int);
void scm_printf(const char *);
u_int scm_promver(void);
void scm_putc(int);
void scm_putcrlf(void);
__dead void scm_reboot(const char *);
u_int scm_sysid(void);
/*
* SCM boot device names
*/
/* cied */
#define SCM_CIEN 0x6369656e
/* cimd */
/* cird */
/* cisc */
#define SCM_DGEN 0x6467656e
#define SCM_DGSC 0x64677363
/* hada */
#define SCM_HKEN 0x686b656e
#define SCM_INEN 0x696e656e
#define SCM_INSC 0x696e7363
#define SCM_NCSC 0x6e637363
/* nvrd */
/* pefn */
/* vitr */
#endif /* _MACHINE_PROM_H_ */
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