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Apply the following automated changes to try to eliminate no-longer-needed sys/cdefs.h includes as well as now-empty blank lines in a row. Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/ Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/ Remove /\n+#if.*\n#endif.*\n+/ Remove /^#if.*\n#endif.*\n/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/ Sponsored by: Netflix
765 lines
17 KiB
C
765 lines
17 KiB
C
/* $NetBSD: Locore.c,v 1.7 2000/08/20 07:04:59 tsubai Exp $ */
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/*-
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* SPDX-License-Identifier: BSD-4-Clause AND BSD-2-Clause
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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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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/systm.h>
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#include <machine/stdarg.h>
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#include <dev/ofw/ofwvar.h>
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#include <dev/ofw/openfirm.h>
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#include "ofw_if.h"
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static int ofw_std_init(ofw_t ofw, void *openfirm);
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static int ofw_std_test(ofw_t ofw, const char *name);
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static int ofw_std_interpret(ofw_t ofw, const char *cmd, int nreturns,
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cell_t *returns);
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static phandle_t ofw_std_peer(ofw_t ofw, phandle_t node);
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static phandle_t ofw_std_child(ofw_t ofw, phandle_t node);
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static phandle_t ofw_std_parent(ofw_t ofw, phandle_t node);
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static phandle_t ofw_std_instance_to_package(ofw_t ofw, ihandle_t instance);
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static ssize_t ofw_std_getproplen(ofw_t ofw, phandle_t package,
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const char *propname);
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static ssize_t ofw_std_getprop(ofw_t ofw, phandle_t package,
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const char *propname, void *buf, size_t buflen);
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static int ofw_std_nextprop(ofw_t ofw, phandle_t package, const char *previous,
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char *buf, size_t);
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static int ofw_std_setprop(ofw_t ofw, phandle_t package, const char *propname,
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const void *buf, size_t len);
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static ssize_t ofw_std_canon(ofw_t ofw, const char *device, char *buf,
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size_t len);
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static phandle_t ofw_std_finddevice(ofw_t ofw, const char *device);
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static ssize_t ofw_std_instance_to_path(ofw_t ofw, ihandle_t instance,
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char *buf, size_t len);
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static ssize_t ofw_std_package_to_path(ofw_t ofw, phandle_t package, char *buf,
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size_t len);
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static int ofw_std_call_method(ofw_t ofw, ihandle_t instance,
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const char *method, int nargs, int nreturns, cell_t *args_and_returns);
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static ihandle_t ofw_std_open(ofw_t ofw, const char *device);
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static void ofw_std_close(ofw_t ofw, ihandle_t instance);
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static ssize_t ofw_std_read(ofw_t ofw, ihandle_t instance, void *addr,
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size_t len);
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static ssize_t ofw_std_write(ofw_t ofw, ihandle_t instance, const void *addr,
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size_t len);
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static int ofw_std_seek(ofw_t ofw, ihandle_t instance, uint64_t pos);
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static caddr_t ofw_std_claim(ofw_t ofw, void *virt, size_t size, u_int align);
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static void ofw_std_release(ofw_t ofw, void *virt, size_t size);
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static void ofw_std_enter(ofw_t ofw);
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static void ofw_std_exit(ofw_t ofw);
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static ofw_method_t ofw_std_methods[] = {
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OFWMETHOD(ofw_init, ofw_std_init),
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OFWMETHOD(ofw_peer, ofw_std_peer),
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OFWMETHOD(ofw_child, ofw_std_child),
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OFWMETHOD(ofw_parent, ofw_std_parent),
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OFWMETHOD(ofw_instance_to_package, ofw_std_instance_to_package),
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OFWMETHOD(ofw_getproplen, ofw_std_getproplen),
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OFWMETHOD(ofw_getprop, ofw_std_getprop),
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OFWMETHOD(ofw_nextprop, ofw_std_nextprop),
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OFWMETHOD(ofw_setprop, ofw_std_setprop),
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OFWMETHOD(ofw_canon, ofw_std_canon),
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OFWMETHOD(ofw_finddevice, ofw_std_finddevice),
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OFWMETHOD(ofw_instance_to_path, ofw_std_instance_to_path),
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OFWMETHOD(ofw_package_to_path, ofw_std_package_to_path),
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OFWMETHOD(ofw_test, ofw_std_test),
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OFWMETHOD(ofw_call_method, ofw_std_call_method),
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OFWMETHOD(ofw_interpret, ofw_std_interpret),
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OFWMETHOD(ofw_open, ofw_std_open),
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OFWMETHOD(ofw_close, ofw_std_close),
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OFWMETHOD(ofw_read, ofw_std_read),
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OFWMETHOD(ofw_write, ofw_std_write),
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OFWMETHOD(ofw_seek, ofw_std_seek),
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OFWMETHOD(ofw_claim, ofw_std_claim),
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OFWMETHOD(ofw_release, ofw_std_release),
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OFWMETHOD(ofw_enter, ofw_std_enter),
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OFWMETHOD(ofw_exit, ofw_std_exit),
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{ 0, 0 }
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};
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static ofw_def_t ofw_std = {
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OFW_STD_DIRECT,
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ofw_std_methods,
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0
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};
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OFW_DEF(ofw_std);
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static int (*openfirmware)(void *);
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/* Initializer */
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static int
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ofw_std_init(ofw_t ofw, void *openfirm)
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{
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openfirmware = (int (*)(void *))openfirm;
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return (0);
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}
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/*
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* Generic functions
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*/
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/* Test to see if a service exists. */
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static int
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ofw_std_test(ofw_t ofw, const char *name)
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{
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struct {
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cell_t name;
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cell_t nargs;
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cell_t nreturns;
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cell_t service;
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cell_t missing;
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} args = {
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(cell_t)"test",
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1,
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1,
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};
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args.service = (cell_t)name;
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if (openfirmware(&args) == -1)
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return (-1);
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return (args.missing);
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}
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static int
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ofw_std_interpret(ofw_t ofw, const char *cmd, int nreturns, cell_t *returns)
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{
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struct {
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cell_t name;
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cell_t nargs;
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cell_t nreturns;
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cell_t slot[16];
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} args = {
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(cell_t)"interpret",
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1,
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};
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cell_t status;
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int i = 0, j = 0;
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args.nreturns = ++nreturns;
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args.slot[i++] = (cell_t)cmd;
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if (openfirmware(&args) == -1)
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return (-1);
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status = args.slot[i++];
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while (i < 1 + nreturns)
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returns[j++] = args.slot[i++];
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return (status);
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}
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/*
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* Device tree functions
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*/
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/* Return the next sibling of this node or 0. */
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static phandle_t
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ofw_std_peer(ofw_t ofw, phandle_t node)
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{
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struct {
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cell_t name;
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cell_t nargs;
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cell_t nreturns;
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cell_t node;
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cell_t next;
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} args = {
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(cell_t)"peer",
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1,
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1,
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};
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args.node = node;
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if (openfirmware(&args) == -1)
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return (0);
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return (args.next);
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}
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/* Return the first child of this node or 0. */
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static phandle_t
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ofw_std_child(ofw_t ofw, phandle_t node)
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{
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struct {
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cell_t name;
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cell_t nargs;
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cell_t nreturns;
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cell_t node;
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cell_t child;
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} args = {
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(cell_t)"child",
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1,
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1,
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};
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args.node = node;
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if (openfirmware(&args) == -1)
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return (0);
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return (args.child);
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}
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/* Return the parent of this node or 0. */
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static phandle_t
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ofw_std_parent(ofw_t ofw, phandle_t node)
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{
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struct {
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cell_t name;
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cell_t nargs;
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cell_t nreturns;
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cell_t node;
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cell_t parent;
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} args = {
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(cell_t)"parent",
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1,
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1,
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};
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args.node = node;
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if (openfirmware(&args) == -1)
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return (0);
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return (args.parent);
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}
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/* Return the package handle that corresponds to an instance handle. */
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static phandle_t
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ofw_std_instance_to_package(ofw_t ofw, ihandle_t instance)
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{
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struct {
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cell_t name;
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cell_t nargs;
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cell_t nreturns;
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cell_t instance;
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cell_t package;
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} args = {
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(cell_t)"instance-to-package",
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1,
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1,
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};
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args.instance = instance;
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if (openfirmware(&args) == -1)
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return (-1);
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return (args.package);
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}
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/* Get the length of a property of a package. */
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static ssize_t
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ofw_std_getproplen(ofw_t ofw, phandle_t package, const char *propname)
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{
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struct {
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cell_t name;
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cell_t nargs;
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cell_t nreturns;
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cell_t package;
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cell_t propname;
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cell_t proplen;
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} args = {
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(cell_t)"getproplen",
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2,
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1,
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};
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args.package = package;
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args.propname = (cell_t)propname;
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if (openfirmware(&args) == -1)
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return (-1);
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return (args.proplen);
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}
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/* Get the value of a property of a package. */
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static ssize_t
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ofw_std_getprop(ofw_t ofw, phandle_t package, const char *propname, void *buf,
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size_t buflen)
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{
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struct {
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cell_t name;
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cell_t nargs;
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cell_t nreturns;
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cell_t package;
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cell_t propname;
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cell_t buf;
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cell_t buflen;
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cell_t size;
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} args = {
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(cell_t)"getprop",
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4,
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1,
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};
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args.package = package;
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args.propname = (cell_t)propname;
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args.buf = (cell_t)buf;
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args.buflen = buflen;
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if (openfirmware(&args) == -1)
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return (-1);
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return (args.size);
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}
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/* Get the next property of a package. */
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static int
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ofw_std_nextprop(ofw_t ofw, phandle_t package, const char *previous, char *buf,
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size_t size)
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{
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struct {
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cell_t name;
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cell_t nargs;
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cell_t nreturns;
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cell_t package;
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cell_t previous;
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cell_t buf;
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cell_t flag;
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} args = {
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(cell_t)"nextprop",
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3,
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1,
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};
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args.package = package;
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args.previous = (cell_t)previous;
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args.buf = (cell_t)buf;
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if (openfirmware(&args) == -1)
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return (-1);
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return (args.flag);
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}
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/* Set the value of a property of a package. */
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/* XXX Has a bug on FirePower */
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static int
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ofw_std_setprop(ofw_t ofw, phandle_t package, const char *propname,
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const void *buf, size_t len)
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{
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struct {
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cell_t name;
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cell_t nargs;
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cell_t nreturns;
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cell_t package;
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cell_t propname;
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cell_t buf;
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cell_t len;
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cell_t size;
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} args = {
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(cell_t)"setprop",
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4,
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1,
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};
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args.package = package;
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args.propname = (cell_t)propname;
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args.buf = (cell_t)buf;
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args.len = len;
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if (openfirmware(&args) == -1)
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return (-1);
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return (args.size);
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}
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/* Convert a device specifier to a fully qualified pathname. */
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static ssize_t
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ofw_std_canon(ofw_t ofw, const char *device, char *buf, size_t len)
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{
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struct {
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cell_t name;
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cell_t nargs;
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cell_t nreturns;
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cell_t device;
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cell_t buf;
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cell_t len;
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cell_t size;
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} args = {
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(cell_t)"canon",
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3,
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1,
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};
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args.device = (cell_t)device;
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args.buf = (cell_t)buf;
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args.len = len;
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if (openfirmware(&args) == -1)
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return (-1);
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return (args.size);
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}
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/* Return a package handle for the specified device. */
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static phandle_t
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ofw_std_finddevice(ofw_t ofw, const char *device)
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{
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struct {
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cell_t name;
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cell_t nargs;
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cell_t nreturns;
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cell_t device;
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cell_t package;
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} args = {
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(cell_t)"finddevice",
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1,
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1,
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};
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args.device = (cell_t)device;
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if (openfirmware(&args) == -1)
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return (-1);
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return (args.package);
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}
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/* Return the fully qualified pathname corresponding to an instance. */
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static ssize_t
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ofw_std_instance_to_path(ofw_t ofw, ihandle_t instance, char *buf, size_t len)
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{
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struct {
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cell_t name;
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cell_t nargs;
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cell_t nreturns;
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cell_t instance;
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cell_t buf;
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cell_t len;
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cell_t size;
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} args = {
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(cell_t)"instance-to-path",
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3,
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1,
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};
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args.instance = instance;
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args.buf = (cell_t)buf;
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args.len = len;
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if (openfirmware(&args) == -1)
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return (-1);
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return (args.size);
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}
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/* Return the fully qualified pathname corresponding to a package. */
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static ssize_t
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ofw_std_package_to_path(ofw_t ofw, phandle_t package, char *buf, size_t len)
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{
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struct {
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cell_t name;
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cell_t nargs;
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cell_t nreturns;
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cell_t package;
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cell_t buf;
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cell_t len;
|
|
cell_t size;
|
|
} args = {
|
|
(cell_t)"package-to-path",
|
|
3,
|
|
1,
|
|
};
|
|
|
|
args.package = package;
|
|
args.buf = (cell_t)buf;
|
|
args.len = len;
|
|
if (openfirmware(&args) == -1)
|
|
return (-1);
|
|
return (args.size);
|
|
}
|
|
|
|
/* Call the method in the scope of a given instance. */
|
|
static int
|
|
ofw_std_call_method(ofw_t ofw, ihandle_t instance, const char *method,
|
|
int nargs, int nreturns, cell_t *args_and_returns)
|
|
{
|
|
struct {
|
|
cell_t name;
|
|
cell_t nargs;
|
|
cell_t nreturns;
|
|
cell_t method;
|
|
cell_t instance;
|
|
cell_t args_n_results[12];
|
|
} args = {
|
|
(cell_t)"call-method",
|
|
2,
|
|
1,
|
|
};
|
|
cell_t *ap, *cp;
|
|
int n;
|
|
|
|
if (nargs > 6)
|
|
return (-1);
|
|
args.nargs = nargs + 2;
|
|
args.nreturns = nreturns + 1;
|
|
args.method = (cell_t)method;
|
|
args.instance = instance;
|
|
|
|
ap = args_and_returns;
|
|
for (cp = args.args_n_results + (n = nargs); --n >= 0;)
|
|
*--cp = *(ap++);
|
|
if (openfirmware(&args) == -1)
|
|
return (-1);
|
|
if (args.args_n_results[nargs])
|
|
return (args.args_n_results[nargs]);
|
|
for (cp = args.args_n_results + nargs + (n = args.nreturns); --n > 0;)
|
|
*(ap++) = *--cp;
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Device I/O functions
|
|
*/
|
|
|
|
/* Open an instance for a device. */
|
|
static ihandle_t
|
|
ofw_std_open(ofw_t ofw, const char *device)
|
|
{
|
|
struct {
|
|
cell_t name;
|
|
cell_t nargs;
|
|
cell_t nreturns;
|
|
cell_t device;
|
|
cell_t instance;
|
|
} args = {
|
|
(cell_t)"open",
|
|
1,
|
|
1,
|
|
};
|
|
|
|
args.device = (cell_t)device;
|
|
if (openfirmware(&args) == -1 || args.instance == 0)
|
|
return (-1);
|
|
return (args.instance);
|
|
}
|
|
|
|
/* Close an instance. */
|
|
static void
|
|
ofw_std_close(ofw_t ofw, ihandle_t instance)
|
|
{
|
|
struct {
|
|
cell_t name;
|
|
cell_t nargs;
|
|
cell_t nreturns;
|
|
cell_t instance;
|
|
} args = {
|
|
(cell_t)"close",
|
|
1,
|
|
0,
|
|
};
|
|
|
|
args.instance = instance;
|
|
openfirmware(&args);
|
|
}
|
|
|
|
/* Read from an instance. */
|
|
static ssize_t
|
|
ofw_std_read(ofw_t ofw, ihandle_t instance, void *addr, size_t len)
|
|
{
|
|
struct {
|
|
cell_t name;
|
|
cell_t nargs;
|
|
cell_t nreturns;
|
|
cell_t instance;
|
|
cell_t addr;
|
|
cell_t len;
|
|
cell_t actual;
|
|
} args = {
|
|
(cell_t)"read",
|
|
3,
|
|
1,
|
|
};
|
|
|
|
args.instance = instance;
|
|
args.addr = (cell_t)addr;
|
|
args.len = len;
|
|
if (openfirmware(&args) == -1)
|
|
return (-1);
|
|
|
|
return (args.actual);
|
|
}
|
|
|
|
/* Write to an instance. */
|
|
static ssize_t
|
|
ofw_std_write(ofw_t ofw, ihandle_t instance, const void *addr, size_t len)
|
|
{
|
|
struct {
|
|
cell_t name;
|
|
cell_t nargs;
|
|
cell_t nreturns;
|
|
cell_t instance;
|
|
cell_t addr;
|
|
cell_t len;
|
|
cell_t actual;
|
|
} args = {
|
|
(cell_t)"write",
|
|
3,
|
|
1,
|
|
};
|
|
|
|
args.instance = instance;
|
|
args.addr = (cell_t)addr;
|
|
args.len = len;
|
|
if (openfirmware(&args) == -1)
|
|
return (-1);
|
|
return (args.actual);
|
|
}
|
|
|
|
/* Seek to a position. */
|
|
static int
|
|
ofw_std_seek(ofw_t ofw, ihandle_t instance, uint64_t pos)
|
|
{
|
|
struct {
|
|
cell_t name;
|
|
cell_t nargs;
|
|
cell_t nreturns;
|
|
cell_t instance;
|
|
cell_t poshi;
|
|
cell_t poslo;
|
|
cell_t status;
|
|
} args = {
|
|
(cell_t)"seek",
|
|
3,
|
|
1,
|
|
};
|
|
|
|
args.instance = instance;
|
|
args.poshi = pos >> 32;
|
|
args.poslo = pos;
|
|
if (openfirmware(&args) == -1)
|
|
return (-1);
|
|
return (args.status);
|
|
}
|
|
|
|
/*
|
|
* Memory functions
|
|
*/
|
|
|
|
/* Claim an area of memory. */
|
|
static caddr_t
|
|
ofw_std_claim(ofw_t ofw, void *virt, size_t size, u_int align)
|
|
{
|
|
struct {
|
|
cell_t name;
|
|
cell_t nargs;
|
|
cell_t nreturns;
|
|
cell_t virt;
|
|
cell_t size;
|
|
cell_t align;
|
|
cell_t baseaddr;
|
|
} args = {
|
|
(cell_t)"claim",
|
|
3,
|
|
1,
|
|
};
|
|
|
|
args.virt = (cell_t)virt;
|
|
args.size = size;
|
|
args.align = align;
|
|
if (openfirmware(&args) == -1)
|
|
return ((void *)-1);
|
|
return ((void *)args.baseaddr);
|
|
}
|
|
|
|
/* Release an area of memory. */
|
|
static void
|
|
ofw_std_release(ofw_t ofw, void *virt, size_t size)
|
|
{
|
|
struct {
|
|
cell_t name;
|
|
cell_t nargs;
|
|
cell_t nreturns;
|
|
cell_t virt;
|
|
cell_t size;
|
|
} args = {
|
|
(cell_t)"release",
|
|
2,
|
|
0,
|
|
};
|
|
|
|
args.virt = (cell_t)virt;
|
|
args.size = size;
|
|
openfirmware(&args);
|
|
}
|
|
|
|
/*
|
|
* Control transfer functions
|
|
*/
|
|
|
|
/* Suspend and drop back to the Open Firmware interface. */
|
|
static void
|
|
ofw_std_enter(ofw_t ofw)
|
|
{
|
|
struct {
|
|
cell_t name;
|
|
cell_t nargs;
|
|
cell_t nreturns;
|
|
} args = {
|
|
(cell_t)"enter",
|
|
0,
|
|
0,
|
|
};
|
|
|
|
openfirmware(&args);
|
|
/* We may come back. */
|
|
}
|
|
|
|
/* Shut down and drop back to the Open Firmware interface. */
|
|
static void
|
|
ofw_std_exit(ofw_t ofw)
|
|
{
|
|
struct {
|
|
cell_t name;
|
|
cell_t nargs;
|
|
cell_t nreturns;
|
|
} args = {
|
|
(cell_t)"exit",
|
|
0,
|
|
0,
|
|
};
|
|
|
|
openfirmware(&args);
|
|
for (;;) /* just in case */
|
|
;
|
|
}
|