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NetBSD/sys/arch/sparc/include/promlib.h

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/* $NetBSD: promlib.h,v 1.4 2001/09/26 20:53:07 eeh Exp $ */
/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Paul Kranenburg.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
/*
* OPENPROM functions. These are here mainly to hide the OPENPROM interface
* from the rest of the kernel.
*/
#ifndef _SPARC_PROMLIB_H_
#define _SPARC_PROMLIB_H_
#include <machine/bsd_openprom.h>
/*
* A set of methods to access the firmware.
* We use this to support various versions of Open Boot Prom
* or Open Firmware implementations.
*/
struct promops {
int po_version; /* PROM version number */
#define PROM_OLDMON 0
#define PROM_OBP_V0 1
#define PROM_OBP_V2 2
#define PROM_OBP_V3 3
#define PROM_OPENFIRM 4
int po_revision; /* revision level */
int po_stdin; /* stdio handles */
int po_stdout; /* */
void *po_bootcookie;
/* Access to boot arguments */
char *(*po_bootpath) __P((void));
char *(*po_bootfile) __P((void));
char *(*po_bootargs) __P((void));
/* I/O functions */
int (*po_getchar) __P((void));
int (*po_peekchar) __P((void));
void (*po_putchar) __P((int));
void (*po_putstr) __P((char *, int));
int (*po_open) __P((char *));
void (*po_close) __P((int));
int (*po_read) __P((int, void *, int));
int (*po_write) __P((int, void *, int));
int (*po_seek) __P((int, u_quad_t));
int (*po_instance_to_package) __P((int));
/* Misc functions (common in OBP 0,2,3) */
void (*po_halt) __P((void)) __attribute__((__noreturn__));
void (*po_reboot) __P((char *)) __attribute__((__noreturn__));
void (*po_abort) __P((void));
void (*po_interpret) __P((char *));
void (*po_setcallback) __P((void (*)__P((void))));
int (*po_ticks) __P((void));
void *po_tickdata;
/* sun4/sun4c only */
void (*po_setcontext) __P((int ctxt, caddr_t va, int pmeg));
/* MP functions (OBP v3 only) */
int (*po_cpustart) __P((int, struct openprom_addr *, int, caddr_t));
int (*po_cpustop) __P((int));
int (*po_cpuidle) __P((int));
int (*po_cpuresume) __P((int));
/* Device node traversal (OBP v0, v2, v3; but not sun4) */
int (*po_firstchild) __P((int));
int (*po_nextsibling) __P((int));
/* Device node properties */
int (*po_getproplen) __P((int node, char *name));
int (*po_getprop) __P((int node, char *name, void *, int));
int (*po_setprop) __P((int node, char *name, const void *, int));
char *(*po_nextprop) __P((int node, char *name));
int (*po_finddevice) __P((char *name));
};
extern struct promops promops;
void prom_init __P((void)); /* To setup promops */
/* Utility routines */
int prom_prop __P((int, char *, int, int *, void **));
int PROM_getprop __P((int, char *, int, int *, void **));
int PROM_getpropint __P((int node, char *name, int deflt));
char *PROM_getpropstring __P((int node, char *name));
char *PROM_getpropstringA __P((int node, char *name, char *, size_t));
void prom_printf __P((const char *, ...));
int prom_findroot __P((void));
int prom_findnode __P((int, const char *));
int prom_search __P((int, const char *));
int prom_opennode __P((char *));
int prom_node_has_property __P((int, const char *));
#define findroot() prom_findroot()
#define findnode(node,name) prom_findnode(node,name)
#define search_prom(node,name) prom_search(node,name)
#define opennode(name) prom_opennode(name)
#define node_has_property(node,prop) prom_node_has_property(node,prop)
void prom_halt __P((void)) __attribute__((__noreturn__));
void prom_boot __P((char *)) __attribute__((__noreturn__));
#define callrom prom_abort
#define prom_version() (promops.po_version)
#define prom_revision() (promops.po_revision)
#define prom_stdin() (promops.po_stdin)
#define prom_stdout() (promops.po_stdout)
#define _prom_halt() ((*promops.po_halt)(/*void*/))
#define _prom_boot(a) ((*promops.po_reboot)(a))
#define prom_abort() ((*promops.po_abort)(/*void*/))
#define prom_interpret(a) ((*promops.po_interpret)(a))
#define prom_setcallback(f) ((*promops.po_setcallback)(f))
#define prom_setcontext(c,a,p) ((*promops.po_setcontext)(c,a,p))
#define prom_getbootpath() ((*promops.po_bootpath)(/*void*/))
#define prom_getbootfile() ((*promops.po_bootfile)(/*void*/))
#define prom_getbootargs() ((*promops.po_bootargs)(/*void*/))
#define prom_ticks() ((*promops.po_ticks)(/*void*/))
#define prom_open(name) ((*promops.po_open)(name))
#define prom_close(fd) ((*promops.po_close)(fd))
#define prom_instance_to_package(fd) \
((*promops.po_instance_to_package)(fd))
#define prom_read(fd,b,n) ((*promops.po_read)(fd,b,n))
#define prom_write(fd,b,n) ((*promops.po_write)(fd,b,n))
#define prom_seek(fd,o) ((*promops.po_seek)(fd,o))
#define prom_getchar() ((*promops.po_getchar)(/*void*/))
#define prom_peekchar() ((*promops.po_peekchar)(/*void*/))
#define prom_putchar(c) ((*promops.po_putchar)(c))
#define prom_putstr(b,n) ((*promops.po_putstr)(b,n))
/* Node traversal */
#define prom_firstchild(node) ((*promops.po_firstchild)(node))
#define prom_nextsibling(node) ((*promops.po_nextsibling)(node))
#define prom_proplen(node,name) ((*promops.po_getproplen)(node, name))
#define _prom_getprop(node, name, buf, len) \
((*promops.po_getprop)(node, name, buf, len))
#define prom_setprop(node, name, value, len) \
((*promops.po_setprop)(node, name, value, len))
#define prom_nextprop(node,name) ((*promops.po_nextprop)(node, name))
#define prom_finddevice(name) ((*promops.po_finddevice)(name))
#define firstchild(node) prom_firstchild(node)
#define nextsibling(node) prom_nextsibling(node)
#define PROM_getproplen(node,name) prom_proplen(node, name)
/* MP stuff - not currently used */
#define prom_cpustart(m,a,c,pc) ((*promops.po_cpustart)(m,a,c,pc))
#define prom_cpustop(m) ((*promops.po_cpustop)(m))
#define prom_cpuidle(m) ((*promops.po_cpuidle)(m))
#define prom_cpuresume(m) ((*promops.po_cpuresume)(m))
extern void *romp; /* PROM-supplied argument (see locore) */
#endif /* _SPARC_PROMLIB_H_ */
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