228 lines
8.1 KiB
C
228 lines
8.1 KiB
C
/* $NetBSD: promlib.h,v 1.11 2003/08/27 15:59:50 mrg Exp $ */
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/*-
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* Copyright (c) 1999 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Paul Kranenburg.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* OPENPROM functions. These are here mainly to hide the OPENPROM interface
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* from the rest of the kernel.
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*/
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#ifndef _SPARC_PROMLIB_H_
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#define _SPARC_PROMLIB_H_
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#ifdef _KERNEL_OPT
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#include "opt_multiprocessor.h"
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#endif
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#include <machine/idprom.h>
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#include <machine/bsd_openprom.h>
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#include <machine/openfirm.h>
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/*
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* A set of methods to access the firmware.
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* We use this to support various versions of Open Boot Prom
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* or Open Firmware implementations.
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*/
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struct promops {
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int po_version; /* PROM version number */
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#define PROM_OLDMON 0
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#define PROM_OBP_V0 1
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#define PROM_OBP_V2 2
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#define PROM_OBP_V3 3
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#define PROM_OPENFIRM 4
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int po_revision; /* revision level */
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int po_stdin; /* stdio handles */
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int po_stdout; /* */
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void *po_bootcookie;
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/* Access to boot arguments */
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char *(*po_bootpath) __P((void));
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char *(*po_bootfile) __P((void));
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char *(*po_bootargs) __P((void));
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/* I/O functions */
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int (*po_getchar) __P((void));
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int (*po_peekchar) __P((void));
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void (*po_putchar) __P((int));
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void (*po_putstr) __P((char *, int));
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int (*po_open) __P((char *));
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void (*po_close) __P((int));
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int (*po_read) __P((int, void *, int));
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int (*po_write) __P((int, void *, int));
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int (*po_seek) __P((int, u_quad_t));
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int (*po_instance_to_package) __P((int));
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/* Misc functions (common in OBP 0,2,3) */
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void (*po_halt) __P((void)) __attribute__((__noreturn__));
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void (*po_reboot) __P((char *)) __attribute__((__noreturn__));
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void (*po_abort) __P((void));
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void (*po_interpret) __P((char *));
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void (*po_setcallback) __P((void (*)__P((void))));
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int (*po_ticks) __P((void));
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void *po_tickdata;
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/* sun4/sun4c only */
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void (*po_setcontext) __P((int ctxt, caddr_t va, int pmeg));
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/* MP functions (OBP v3 only) */
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int (*po_cpustart) __P((int, struct openprom_addr *, int, caddr_t));
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int (*po_cpustop) __P((int));
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int (*po_cpuidle) __P((int));
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int (*po_cpuresume) __P((int));
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/* Device node traversal (OBP v0, v2, v3; but not sun4) */
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int (*po_firstchild) __P((int));
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int (*po_nextsibling) __P((int));
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/* Device node properties */
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int (*po_getproplen) __P((int node, char *name));
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int (*po_getprop) __P((int node, char *name, void *, int));
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int (*po_setprop) __P((int node, char *name, const void *, int));
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char *(*po_nextprop) __P((int node, char *name));
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int (*po_finddevice) __P((char *name));
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};
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extern struct promops promops;
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/*
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* Memory description array.
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* Same as version 2 rom meminfo property.
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*/
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struct memarr {
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int zero;
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u_int addr;
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u_int len;
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};
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int prom_makememarr(struct memarr *, int max, int which);
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#define MEMARR_AVAILPHYS 0
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#define MEMARR_TOTALPHYS 1
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struct idprom *prom_getidprom(void);
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void prom_getether(u_char *);
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void prom_init __P((void)); /* To setup promops */
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/* Utility routines */
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int prom_prop __P((int, char *, int, int *, void **));
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int PROM_getprop __P((int, char *, int, int *, void *));
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int PROM_getpropint __P((int node, char *name, int deflt));
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char *PROM_getpropstring __P((int node, char *name));
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char *PROM_getpropstringA __P((int node, char *name, char *, size_t));
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void prom_printf __P((const char *, ...));
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int prom_findroot __P((void));
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int prom_findnode __P((int, const char *));
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int prom_search __P((int, const char *));
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int prom_opennode __P((char *));
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int prom_node_has_property __P((int, const char *));
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#define findroot() prom_findroot()
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#define findnode(node,name) prom_findnode(node,name)
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#define search_prom(node,name) prom_search(node,name)
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#define opennode(name) prom_opennode(name)
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#define node_has_property(node,prop) prom_node_has_property(node,prop)
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void prom_halt __P((void)) __attribute__((__noreturn__));
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void prom_boot __P((char *)) __attribute__((__noreturn__));
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#if defined(MULTIPROCESSOR)
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#define callrom() do { \
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mp_pause_cpus(); \
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prom_abort(); \
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mp_resume_cpus(); \
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} while (0)
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#else
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#define callrom() prom_abort()
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#endif
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#define prom_version() (promops.po_version)
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#define prom_revision() (promops.po_revision)
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#define prom_stdin() (promops.po_stdin)
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#define prom_stdout() (promops.po_stdout)
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#define _prom_halt() ((*promops.po_halt)(/*void*/))
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#define _prom_boot(a) ((*promops.po_reboot)(a))
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#define prom_abort() ((*promops.po_abort)(/*void*/))
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#define prom_interpret(a) ((*promops.po_interpret)(a))
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#define prom_setcallback(f) ((*promops.po_setcallback)(f))
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#define prom_setcontext(c,a,p) ((*promops.po_setcontext)(c,a,p))
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#define prom_getbootpath() ((*promops.po_bootpath)(/*void*/))
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#define prom_getbootfile() ((*promops.po_bootfile)(/*void*/))
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#define prom_getbootargs() ((*promops.po_bootargs)(/*void*/))
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#define prom_ticks() ((*promops.po_ticks)(/*void*/))
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#define prom_open(name) ((*promops.po_open)(name))
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#define prom_close(fd) ((*promops.po_close)(fd))
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#define prom_instance_to_package(fd) \
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((*promops.po_instance_to_package)(fd))
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#define prom_read(fd,b,n) ((*promops.po_read)(fd,b,n))
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#define prom_write(fd,b,n) ((*promops.po_write)(fd,b,n))
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#define prom_seek(fd,o) ((*promops.po_seek)(fd,o))
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#define prom_getchar() ((*promops.po_getchar)(/*void*/))
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#define prom_peekchar() ((*promops.po_peekchar)(/*void*/))
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#define prom_putchar(c) ((*promops.po_putchar)(c))
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#define prom_putstr(b,n) ((*promops.po_putstr)(b,n))
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/* Node traversal */
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#define prom_firstchild(node) ((*promops.po_firstchild)(node))
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#define prom_nextsibling(node) ((*promops.po_nextsibling)(node))
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#define prom_proplen(node,name) ((*promops.po_getproplen)(node, name))
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#define _prom_getprop(node, name, buf, len) \
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((*promops.po_getprop)(node, name, buf, len))
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#define prom_setprop(node, name, value, len) \
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((*promops.po_setprop)(node, name, value, len))
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#define prom_nextprop(node,name) ((*promops.po_nextprop)(node, name))
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#define prom_finddevice(name) ((*promops.po_finddevice)(name))
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#define firstchild(node) prom_firstchild(node)
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#define nextsibling(node) prom_nextsibling(node)
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#define PROM_getproplen(node,name) prom_proplen(node, name)
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/* MP stuff - not currently used */
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#define prom_cpustart(m,a,c,pc) ((*promops.po_cpustart)(m,a,c,pc))
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#define prom_cpustop(m) ((*promops.po_cpustop)(m))
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#define prom_cpuidle(m) ((*promops.po_cpuidle)(m))
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#define prom_cpuresume(m) ((*promops.po_cpuresume)(m))
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extern void *romp; /* PROM-supplied argument (see locore) */
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#endif /* _SPARC_PROMLIB_H_ */
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