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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
180 lines
5.2 KiB
C
180 lines
5.2 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 1999 Doug Rabson
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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 THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/module.h>
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#include <isa/isavar.h>
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#include <isa/isa_common.h>
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#include <machine/resource.h>
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void
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isa_hinted_child(device_t parent, const char *name, int unit)
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{
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device_t child;
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int sensitive, start, count;
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int order;
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/* device-specific flag overrides any wildcard */
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sensitive = 0;
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if (resource_int_value(name, unit, "sensitive", &sensitive) != 0)
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resource_int_value(name, -1, "sensitive", &sensitive);
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if (sensitive)
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order = ISA_ORDER_SENSITIVE;
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else
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order = ISA_ORDER_SPECULATIVE;
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child = BUS_ADD_CHILD(parent, order, name, unit);
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if (child == 0)
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return;
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start = 0;
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count = 0;
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resource_int_value(name, unit, "port", &start);
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resource_int_value(name, unit, "portsize", &count);
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if (start > 0 || count > 0)
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bus_set_resource(child, SYS_RES_IOPORT, 0, start, count);
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start = 0;
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count = 0;
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resource_int_value(name, unit, "maddr", &start);
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resource_int_value(name, unit, "msize", &count);
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if (start > 0 || count > 0)
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bus_set_resource(child, SYS_RES_MEMORY, 0, start, count);
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if (resource_int_value(name, unit, "irq", &start) == 0 && start > 0)
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bus_set_resource(child, SYS_RES_IRQ, 0, start, 1);
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if (resource_int_value(name, unit, "drq", &start) == 0 && start >= 0)
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bus_set_resource(child, SYS_RES_DRQ, 0, start, 1);
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if (resource_disabled(name, unit))
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device_disable(child);
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isa_set_configattr(child, (isa_get_configattr(child)|ISACFGATTR_HINTS));
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}
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static int
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isa_match_resource_hint(device_t dev, int type, long value)
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{
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struct isa_device* idev = DEVTOISA(dev);
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struct resource_list *rl = &idev->id_resources;
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struct resource_list_entry *rle;
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STAILQ_FOREACH(rle, rl, link) {
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if (rle->type != type)
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continue;
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if (rle->start <= value && rle->end >= value)
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return (1);
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}
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return (0);
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}
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void
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isa_hint_device_unit(device_t bus, device_t child, const char *name, int *unitp)
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{
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const char *s;
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long value;
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int line, matches, unit;
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line = 0;
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for (;;) {
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if (resource_find_dev(&line, name, &unit, "at", NULL) != 0)
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break;
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/* Must have an "at" for isa. */
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resource_string_value(name, unit, "at", &s);
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if (!(strcmp(s, device_get_nameunit(bus)) == 0 ||
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strcmp(s, device_get_name(bus)) == 0))
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continue;
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/*
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* Check for matching resources. We must have at
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* least one match. Since I/O and memory resources
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* cannot be shared, if we get a match on either of
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* those, ignore any mismatches in IRQs or DRQs.
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*
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* XXX: We may want to revisit this to be more lenient
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* and wire as long as it gets one match.
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*/
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matches = 0;
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if (resource_long_value(name, unit, "port", &value) == 0) {
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/*
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* Floppy drive controllers are notorious for
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* having a wide variety of resources not all
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* of which include the first port that is
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* specified by the hint (typically 0x3f0)
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* (see the comment above
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* fdc_isa_alloc_resources() in fdc_isa.c).
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* However, they do all seem to include port +
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* 2 (e.g. 0x3f2) so for a floppy device, look
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* for 'value + 2' in the port resources
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* instead of the hint value.
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*/
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if (strcmp(name, "fdc") == 0)
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value += 2;
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if (isa_match_resource_hint(child, SYS_RES_IOPORT,
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value))
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matches++;
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else
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continue;
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}
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if (resource_long_value(name, unit, "maddr", &value) == 0) {
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if (isa_match_resource_hint(child, SYS_RES_MEMORY,
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value))
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matches++;
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else
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continue;
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}
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if (matches > 0)
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goto matched;
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if (resource_long_value(name, unit, "irq", &value) == 0) {
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if (isa_match_resource_hint(child, SYS_RES_IRQ, value))
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matches++;
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else
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continue;
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}
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if (resource_long_value(name, unit, "drq", &value) == 0) {
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if (isa_match_resource_hint(child, SYS_RES_DRQ, value))
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matches++;
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else
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continue;
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}
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matched:
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if (matches > 0) {
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/* We have a winner! */
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*unitp = unit;
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break;
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}
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}
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}
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