4b2b0f5043
an FDT. This is how Linux and OS X boot and can avoid some issues with using Open Firmware at runtime. The code is highly experimental and disabled by default; it can be turned on by setting the loader environment variable "usefdt" to a non-NULL value.
123 lines
4.7 KiB
C
123 lines
4.7 KiB
C
/* $NetBSD: openfirm.h,v 1.1 1998/05/15 10:16:00 tsubai Exp $ */
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/*-
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* Copyright (C) 1995, 1996 Wolfgang Solfrank.
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* Copyright (C) 1995, 1996 TooLs GmbH.
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* All rights reserved.
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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 TooLs GmbH.
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* 4. The name of TooLs GmbH may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*-
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* Copyright (C) 2000 Benno Rice.
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* All rights reserved.
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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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*
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* THIS SOFTWARE IS PROVIDED BY Benno Rice ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _OPENFIRM_H_
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#define _OPENFIRM_H_
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/*
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* Prototypes for Open Firmware Interface Routines
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*/
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#include <sys/cdefs.h>
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#include <sys/types.h>
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typedef unsigned int ihandle_t;
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typedef unsigned int phandle_t;
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typedef unsigned long int cell_t;
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extern int (*openfirmware)(void *);
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extern phandle_t chosen;
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extern ihandle_t memory, mmu;
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extern int real_mode;
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/*
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* This isn't actually an Open Firmware function, but it seemed like the right
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* place for it to go.
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*/
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void OF_init(int (*openfirm)(void *));
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/* Generic functions */
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int OF_test(char *);
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void OF_quiesce(); /* Disable firmware */
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/* Device tree functions */
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phandle_t OF_peer(phandle_t);
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phandle_t OF_child(phandle_t);
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phandle_t OF_parent(phandle_t);
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phandle_t OF_instance_to_package(ihandle_t);
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int OF_getproplen(phandle_t, char *);
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int OF_getprop(phandle_t, char *, void *, int);
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int OF_nextprop(phandle_t, char *, char *);
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int OF_setprop(phandle_t, char *, void *, int);
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int OF_canon(const char *, char *, int);
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phandle_t OF_finddevice(const char *);
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int OF_instance_to_path(ihandle_t, char *, int);
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int OF_package_to_path(phandle_t, char *, int);
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int OF_call_method(char *, ihandle_t, int, int, ...);
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/* Device I/O functions */
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ihandle_t OF_open(char *);
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void OF_close(ihandle_t);
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int OF_read(ihandle_t, void *, int);
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int OF_write(ihandle_t, void *, int);
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int OF_seek(ihandle_t, u_quad_t);
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/* Memory functions */
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void *OF_claim(void *, u_int, u_int);
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void OF_release(void *, u_int);
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/* Control transfer functions */
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void OF_boot(char *);
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void OF_enter(void);
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void OF_exit(void) __attribute__((noreturn));
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void OF_chain(void *, u_int, void (*)(), void *, u_int);
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/* Time function */
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int OF_milliseconds(void);
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#endif /* _OPENFIRM_H_ */
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