741 lines
17 KiB
C
741 lines
17 KiB
C
/* $NetBSD: aml_common.c,v 1.1 2007/01/14 04:36:13 christos Exp $ */
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/*-
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* Copyright (c) 1999 Takanori Watanabe
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* Copyright (c) 1999, 2000 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
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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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* Id: aml_common.c,v 1.9 2000/08/09 14:47:43 iwasaki Exp
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* $FreeBSD: src/usr.sbin/acpi/amldb/aml/aml_common.c,v 1.6 2000/11/09 06:24:45 iwasaki Exp $
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*/
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#include <sys/cdefs.h>
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__RCSID("$NetBSD: aml_common.c,v 1.1 2007/01/14 04:36:13 christos Exp $");
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#include <sys/param.h>
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#ifndef _KERNEL
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#include <assert.h>
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#include <err.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#else /* _KERNEL */
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#include "opt_acpi.h"
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#include <sys/kernel.h>
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#include <sys/sysctl.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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#include <dev/acpi/acpireg.h>
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#include <dev/acpi/acpivar.h>
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#ifndef ACPI_NO_OSDFUNC_INLINE
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#include <machine/acpica_osd.h>
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#endif /* !ACPI_NO_OSDFUNC_INLINE */
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#endif /* !_KERNEL */
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#include <acpi_common.h>
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#include <aml/aml_common.h>
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#include <aml/aml_env.h>
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#include <aml/aml_evalobj.h>
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#include <aml/aml_name.h>
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#include <aml/aml_obj.h>
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#include <aml/aml_parse.h>
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#include <aml/aml_status.h>
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#include <aml/aml_store.h>
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/* for debugging */
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#ifdef AML_DEBUG
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int aml_debug = 1;
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#else /* !AML_DEBUG */
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int aml_debug = 0;
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#endif /* AML_DEBUG */
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#ifdef _KERNEL
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SYSCTL_INT(_debug, OID_AUTO, aml_debug, CTLFLAG_RW, &aml_debug, 1, "");
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#endif /* _KERNEL */
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static void aml_print_nameseg(u_int8_t *dp);
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static void
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aml_print_nameseg(u_int8_t *dp)
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{
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if (dp[3] != '_') {
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AML_DEBUGPRINT("%c%c%c%c", dp[0], dp[1], dp[2], dp[3]);
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} else if (dp[2] != '_') {
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AML_DEBUGPRINT("%c%c%c_", dp[0], dp[1], dp[2]);
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} else if (dp[1] != '_') {
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AML_DEBUGPRINT("%c%c__", dp[0], dp[1]);
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} else if (dp[0] != '_') {
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AML_DEBUGPRINT("%c___", dp[0]);
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}
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}
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void
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aml_print_namestring(u_int8_t *dp)
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{
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int segcount;
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int i;
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if (dp[0] == '\\') {
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AML_DEBUGPRINT("%c", dp[0]);
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dp++;
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} else if (dp[0] == '^') {
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while (dp[0] == '^') {
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AML_DEBUGPRINT("%c", dp[0]);
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dp++;
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}
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}
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if (dp[0] == 0x00) { /* NullName */
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/* AML_DEBUGPRINT("<null>"); */
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dp++;
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} else if (dp[0] == 0x2e) { /* DualNamePrefix */
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aml_print_nameseg(dp + 1);
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AML_DEBUGPRINT("%c", '.');
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aml_print_nameseg(dp + 5);
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} else if (dp[0] == 0x2f) { /* MultiNamePrefix */
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segcount = dp[1];
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for (i = 0, dp += 2; i < segcount; i++, dp += 4) {
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if (i > 0) {
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AML_DEBUGPRINT("%c", '.');
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}
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aml_print_nameseg(dp);
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}
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} else /* NameSeg */
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aml_print_nameseg(dp);
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}
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int
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aml_print_curname(struct aml_name *name)
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{
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struct aml_name *root;
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root = aml_get_rootname();
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if (name == root) {
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AML_DEBUGPRINT("\\");
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return (0);
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} else {
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aml_print_curname(name->parent);
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}
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aml_print_nameseg((unsigned char *)name->name);
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AML_DEBUGPRINT(".");
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return (0);
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}
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void
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aml_print_indent(int indent)
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{
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int i;
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for (i = 0; i < indent; i++)
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AML_DEBUGPRINT(" ");
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}
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void
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aml_showobject(union aml_object * obj)
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{
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int debug;
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int i;
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if (obj == NULL) {
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printf("NO object\n");
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return;
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}
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debug = aml_debug;
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aml_debug = 1;
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switch (obj->type) {
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case aml_t_num:
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printf("Num:0x%x\n", obj->num.number);
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break;
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case aml_t_processor:
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printf("Processor:No %d,Port 0x%x length 0x%x\n",
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obj->proc.id, obj->proc.addr, obj->proc.len);
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break;
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case aml_t_mutex:
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printf("Mutex:Level %d\n", obj->mutex.level);
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break;
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case aml_t_powerres:
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printf("PowerResource:Level %d Order %d\n",
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obj->pres.level, obj->pres.order);
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break;
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case aml_t_opregion:
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printf("OprationRegion:Busspace%d, Offset 0x%x Length 0x%x\n",
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obj->opregion.space, obj->opregion.offset,
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obj->opregion.length);
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break;
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case aml_t_field:
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printf("Fieldelement:flag 0x%x offset 0x%x len 0x%x {",
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obj->field.flags, obj->field.bitoffset,
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obj->field.bitlen);
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switch (obj->field.f.ftype) {
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case f_t_field:
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aml_print_namestring(obj->field.f.fld.regname);
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break;
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case f_t_index:
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aml_print_namestring(obj->field.f.ifld.indexname);
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printf(" ");
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aml_print_namestring(obj->field.f.ifld.dataname);
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break;
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case f_t_bank:
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aml_print_namestring(obj->field.f.bfld.regname);
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printf(" ");
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aml_print_namestring(obj->field.f.bfld.bankname);
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printf("0x%x", obj->field.f.bfld.bankvalue);
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break;
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}
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printf("}\n");
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break;
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case aml_t_method:
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printf("Method: Arg %d From %p To %p\n", obj->meth.argnum,
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obj->meth.from, obj->meth.to);
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break;
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case aml_t_buffer:
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printf("Buffer: size:0x%x Data %p\n", obj->buffer.size,
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obj->buffer.data);
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break;
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case aml_t_device:
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printf("Device\n");
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break;
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case aml_t_bufferfield:
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printf("Bufferfield:offset 0x%x len 0x%x Origin %p\n",
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obj->bfld.bitoffset, obj->bfld.bitlen, obj->bfld.origin);
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break;
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case aml_t_string:
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printf("String:%s\n", obj->str.string);
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break;
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case aml_t_package:
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printf("Package:elements %d \n", obj->package.elements);
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for (i = 0; i < obj->package.elements; i++) {
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if (obj->package.objects[i] == NULL) {
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break;
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}
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if (obj->package.objects[i]->type < 0) {
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continue;
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}
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printf(" ");
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aml_showobject(obj->package.objects[i]);
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}
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break;
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case aml_t_therm:
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printf("Thermalzone\n");
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break;
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case aml_t_event:
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printf("Event\n");
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break;
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case aml_t_ddbhandle:
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printf("DDBHANDLE\n");
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break;
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case aml_t_objref:
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if (obj->objref.alias == 1) {
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printf("Alias");
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} else {
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printf("Object reference");
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if (obj->objref.offset >= 0) {
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printf(" (offset 0x%x)", obj->objref.offset);
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}
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}
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printf(" of ");
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aml_showobject(obj->objref.ref);
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break;
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default:
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printf("UNK ID=%d\n", obj->type);
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}
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aml_debug = debug;
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}
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void
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aml_showtree(struct aml_name * aname, int lev)
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{
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int i;
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struct aml_name *ptr;
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char name[5];
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for (i = 0; i < lev; i++) {
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printf(" ");
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}
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strncpy(name, aname->name, 4);
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name[4] = 0;
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printf("%s ", name);
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if (aname->property != NULL) {
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aml_showobject(aname->property);
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} else {
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printf("\n");
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}
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for (ptr = aname->child; ptr; ptr = ptr->brother)
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aml_showtree(ptr, lev + 1);
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}
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/*
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* Common Region I/O Stuff
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*/
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static __inline u_int64_t
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aml_adjust_bitmask(u_int32_t flags, u_int32_t bitlen)
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{
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u_int64_t bitmask;
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switch (AML_FIELDFLAGS_ACCESSTYPE(flags)) {
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case AML_FIELDFLAGS_ACCESS_ANYACC:
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if (bitlen <= 8) {
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bitmask = 0x000000ff;
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break;
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}
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if (bitlen <= 16) {
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bitmask = 0x0000ffff;
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break;
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}
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bitmask = 0xffffffff;
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break;
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case AML_FIELDFLAGS_ACCESS_BYTEACC:
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bitmask = 0x000000ff;
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break;
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case AML_FIELDFLAGS_ACCESS_WORDACC:
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bitmask = 0x0000ffff;
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break;
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case AML_FIELDFLAGS_ACCESS_DWORDACC:
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default:
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bitmask = 0xffffffff;
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break;
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}
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switch (bitlen) {
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case 16:
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bitmask |= 0x0000ffff;
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break;
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case 32:
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bitmask |= 0xffffffff;
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break;
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}
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return (bitmask);
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}
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u_int32_t
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aml_adjust_readvalue(u_int32_t flags, u_int32_t bitoffset, u_int32_t bitlen,
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u_int32_t orgval)
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{
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u_int32_t offset, retval;
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u_int64_t bitmask;
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offset = bitoffset; /* XXX bitoffset may change in this function! */
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bitmask = aml_adjust_bitmask(flags, bitlen);
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retval = (orgval >> offset) & (~(bitmask << bitlen)) & bitmask;
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return (retval);
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}
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u_int32_t
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aml_adjust_updatevalue(u_int32_t flags, u_int32_t bitoffset, u_int32_t bitlen,
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u_int32_t orgval, u_int32_t value)
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{
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u_int32_t offset, retval;
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u_int64_t bitmask;
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offset = bitoffset; /* XXX bitoffset may change in this function! */
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bitmask = aml_adjust_bitmask(flags, bitlen);
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retval = orgval;
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switch (AML_FIELDFLAGS_UPDATERULE(flags)) {
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case AML_FIELDFLAGS_UPDATE_PRESERVE:
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retval &= (~(((u_int64_t)1 << bitlen) - 1) << offset) |
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(~(bitmask << offset));
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break;
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case AML_FIELDFLAGS_UPDATE_WRITEASONES:
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retval = (~(((u_int64_t)1 << bitlen) - 1) << offset) |
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(~(bitmask << offset));
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retval &= bitmask; /* trim the upper bits */
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break;
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case AML_FIELDFLAGS_UPDATE_WRITEASZEROS:
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retval = 0;
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break;
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default:
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printf("illegal update rule: %d\n", flags);
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return (orgval);
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}
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retval |= (value << (offset & bitmask));
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return (retval);
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}
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/*
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* BufferField I/O
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*/
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#define AML_BUFFER_INPUT 0
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#define AML_BUFFER_OUTPUT 1
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static int aml_bufferfield_io(int io, u_int32_t *valuep,
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u_int8_t *origin, u_int32_t bitoffset,
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u_int32_t bitlen);
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static int
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aml_bufferfield_io(int io, u_int32_t *valuep, u_int8_t *origin,
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u_int32_t bitoffset, u_int32_t bitlen)
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{
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u_int8_t val, tmp, masklow, maskhigh;
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u_int8_t offsetlow, offsethigh;
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u_int8_t *addr;
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int i;
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u_int32_t value, readval;
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u_int32_t byteoffset, bytelen;
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masklow = maskhigh = 0xff;
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val = readval = 0;
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value = *valuep;
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byteoffset = bitoffset / 8;
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bytelen = bitlen / 8 + ((bitlen % 8) ? 1 : 0);
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addr = origin + byteoffset;
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/* simple I/O ? */
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if (bitlen <= 8 || bitlen == 16 || bitlen == 32) {
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bcopy(addr, &readval, bytelen);
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AML_DEBUGPRINT("\n\t[bufferfield:0x%x@%p:%d,%d]",
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readval, addr, bitoffset % 8, bitlen);
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switch (io) {
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case AML_BUFFER_INPUT:
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value = aml_adjust_readvalue(AML_FIELDFLAGS_ACCESS_BYTEACC,
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bitoffset % 8, bitlen, readval);
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*valuep = value;
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AML_DEBUGPRINT("\n[read(bufferfield, %p)&mask:0x%x]\n",
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addr, value);
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break;
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case AML_BUFFER_OUTPUT:
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value = aml_adjust_updatevalue(AML_FIELDFLAGS_ACCESS_BYTEACC,
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bitoffset % 8, bitlen, readval, value);
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bcopy(&value, addr, bytelen);
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AML_DEBUGPRINT("->[bufferfield:0x%x@%p:%d,%d]",
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value, addr, bitoffset % 8, bitlen);
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break;
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}
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goto out;
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}
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offsetlow = bitoffset % 8;
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if (bytelen > 1) {
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offsethigh = (bitlen - (8 - offsetlow)) % 8;
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} else {
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offsethigh = 0;
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}
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if (offsetlow) {
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masklow = (~((1 << bitlen) - 1) << offsetlow) | ~(0xff << offsetlow);
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AML_DEBUGPRINT("\t[offsetlow = 0x%x, masklow = 0x%x, ~masklow = 0x%x]\n",
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offsetlow, masklow, ~masklow & 0xff);
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}
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if (offsethigh) {
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maskhigh = 0xff << offsethigh;
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AML_DEBUGPRINT("\t[offsethigh = 0x%x, maskhigh = 0x%x, ~maskhigh = 0x%x]\n",
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offsethigh, maskhigh, ~maskhigh & 0xff);
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}
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for (i = bytelen; i > 0; i--, addr++) {
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val = *addr;
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AML_DEBUGPRINT("\t[bufferfield:0x%02x@%p]", val, addr);
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switch (io) {
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case AML_BUFFER_INPUT:
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tmp = val;
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/* the lowest byte? */
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if (i == bytelen) {
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if (offsetlow) {
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readval = tmp & ~masklow;
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} else {
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readval = tmp;
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}
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} else {
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if (i == 1 && offsethigh) {
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tmp = tmp & ~maskhigh;
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}
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readval = (tmp << (8 * (bytelen - i))) | readval;
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}
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AML_DEBUGPRINT("\n");
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/* goto to next byte... */
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if (i > 1) {
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continue;
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}
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/* final adjustment before finishing region access */
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if (offsetlow) {
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readval = readval >> offsetlow;
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}
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AML_DEBUGPRINT("[read(bufferfield, %p)&mask:0x%x]\n",
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addr, readval);
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*valuep = readval;
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break;
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case AML_BUFFER_OUTPUT:
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tmp = value & 0xff;
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/* the lowest byte? */
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if (i == bytelen) {
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if (offsetlow) {
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tmp = (val & masklow) | tmp << offsetlow;
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}
|
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value = value >> (8 - offsetlow);
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} else {
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if (i == 1 && offsethigh) {
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tmp = (val & maskhigh) | tmp;
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}
|
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value = value >> 8;
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}
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AML_DEBUGPRINT("->[bufferfield:0x%02x@%p]\n",
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tmp, addr);
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*addr = tmp;
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}
|
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}
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out:
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return (0);
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}
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u_int32_t
|
|
aml_bufferfield_read(u_int8_t *origin, u_int32_t bitoffset,
|
|
u_int32_t bitlen)
|
|
{
|
|
int value;
|
|
|
|
value = 0;
|
|
aml_bufferfield_io(AML_BUFFER_INPUT, (u_int32_t *)&value, origin,
|
|
bitoffset, bitlen);
|
|
return (value);
|
|
}
|
|
|
|
int
|
|
aml_bufferfield_write(u_int32_t value, u_int8_t *origin,
|
|
u_int32_t bitoffset, u_int32_t bitlen)
|
|
{
|
|
int status;
|
|
|
|
status = aml_bufferfield_io(AML_BUFFER_OUTPUT, &value,
|
|
origin, bitoffset, bitlen);
|
|
return (status);
|
|
}
|
|
|
|
int
|
|
aml_region_handle_alloc(struct aml_environ *env, int regtype, u_int32_t flags,
|
|
u_int32_t baseaddr, u_int32_t bitoffset, u_int32_t bitlen,
|
|
struct aml_region_handle *h)
|
|
{
|
|
int state;
|
|
struct aml_name *pci_info;
|
|
|
|
state = 0;
|
|
pci_info = NULL;
|
|
bzero(h, sizeof(struct aml_region_handle));
|
|
|
|
h->env = env;
|
|
h->regtype = regtype;
|
|
h->flags = flags;
|
|
h->baseaddr = baseaddr;
|
|
h->bitoffset = bitoffset;
|
|
h->bitlen = bitlen;
|
|
|
|
switch (AML_FIELDFLAGS_ACCESSTYPE(flags)) {
|
|
case AML_FIELDFLAGS_ACCESS_ANYACC:
|
|
if (bitlen <= 8) {
|
|
h->unit = 1;
|
|
break;
|
|
}
|
|
if (bitlen <= 16) {
|
|
h->unit = 2;
|
|
break;
|
|
}
|
|
h->unit = 4;
|
|
break;
|
|
case AML_FIELDFLAGS_ACCESS_BYTEACC:
|
|
h->unit = 1;
|
|
break;
|
|
case AML_FIELDFLAGS_ACCESS_WORDACC:
|
|
h->unit = 2;
|
|
break;
|
|
case AML_FIELDFLAGS_ACCESS_DWORDACC:
|
|
h->unit = 4;
|
|
break;
|
|
default:
|
|
h->unit = 1;
|
|
break;
|
|
}
|
|
|
|
h->addr = baseaddr + h->unit * ((bitoffset / 8) / h->unit);
|
|
h->bytelen = baseaddr + ((bitoffset + bitlen) / 8) - h->addr +
|
|
((bitlen % 8) ? 1 : 0);
|
|
|
|
#ifdef _KERNEL
|
|
switch (h->regtype) {
|
|
case AML_REGION_SYSMEM:
|
|
OsdMapMemory((void *)h->addr, h->bytelen, (void **)&h->vaddr);
|
|
break;
|
|
|
|
case AML_REGION_PCICFG:
|
|
/* Obtain PCI bus number */
|
|
pci_info = aml_search_name(env, "_BBN");
|
|
if (pci_info == NULL || pci_info->property->type != aml_t_num) {
|
|
AML_DEBUGPRINT("Cannot locate _BBN. Using default 0\n");
|
|
h->pci_bus = 0;
|
|
} else {
|
|
AML_DEBUGPRINT("found _BBN: %d\n",
|
|
pci_info->property->num.number);
|
|
h->pci_bus = pci_info->property->num.number & 0xff;
|
|
}
|
|
|
|
/* Obtain device & function number */
|
|
pci_info = aml_search_name(env, "_ADR");
|
|
if (pci_info == NULL || pci_info->property->type != aml_t_num) {
|
|
printf("Cannot locate: _ADR\n");
|
|
state = -1;
|
|
goto out;
|
|
}
|
|
h->pci_devfunc = pci_info->property->num.number;
|
|
|
|
AML_DEBUGPRINT("[pci%d.%d]", h->pci_bus, h->pci_devfunc);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
out:
|
|
#endif /* _KERNEL */
|
|
return (state);
|
|
}
|
|
|
|
void
|
|
aml_region_handle_free(struct aml_region_handle *h)
|
|
{
|
|
#ifdef _KERNEL
|
|
switch (h->regtype) {
|
|
case AML_REGION_SYSMEM:
|
|
OsdUnMapMemory((void *)h->vaddr, h->bytelen);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
#endif /* _KERNEL */
|
|
}
|
|
|
|
static int
|
|
aml_region_io_simple(struct aml_environ *env, int io, int regtype,
|
|
u_int32_t flags, u_int32_t *valuep, u_int32_t baseaddr,
|
|
u_int32_t bitoffset, u_int32_t bitlen)
|
|
{
|
|
int i, state;
|
|
u_int32_t readval, value, offset, bytelen;
|
|
struct aml_region_handle handle;
|
|
|
|
state = aml_region_handle_alloc(env, regtype, flags,
|
|
baseaddr, bitoffset, bitlen, &handle);
|
|
if (state == -1) {
|
|
goto out;
|
|
}
|
|
|
|
readval = 0;
|
|
offset = bitoffset % (handle.unit * 8);
|
|
/* limitation of 32 bits alignment */
|
|
bytelen = (handle.bytelen > 4) ? 4 : handle.bytelen;
|
|
|
|
if (io == AML_REGION_INPUT ||
|
|
AML_FIELDFLAGS_UPDATERULE(flags) == AML_FIELDFLAGS_UPDATE_PRESERVE) {
|
|
for (i = 0; i < bytelen; i += handle.unit) {
|
|
state = aml_region_read_simple(&handle, i, &value);
|
|
if (state == -1) {
|
|
goto out;
|
|
}
|
|
readval |= (value << (i * 8));
|
|
}
|
|
AML_DEBUGPRINT("\t[%d:0x%x@0x%lx:%d,%d]",
|
|
regtype, readval, handle.addr, offset, bitlen);
|
|
}
|
|
|
|
switch (io) {
|
|
case AML_REGION_INPUT:
|
|
AML_DEBUGPRINT("\n");
|
|
readval = aml_adjust_readvalue(flags, offset, bitlen, readval);
|
|
value = readval;
|
|
value = aml_region_prompt_read(&handle, value);
|
|
state = aml_region_prompt_update_value(readval, value, &handle);
|
|
if (state == -1) {
|
|
goto out;
|
|
}
|
|
|
|
*valuep = value;
|
|
break;
|
|
case AML_REGION_OUTPUT:
|
|
value = *valuep;
|
|
value = aml_adjust_updatevalue(flags, offset,
|
|
bitlen, readval, value);
|
|
value = aml_region_prompt_write(&handle, value);
|
|
AML_DEBUGPRINT("\t->[%d:0x%x@0x%lx:%d,%d]\n", regtype, value,
|
|
handle.addr, offset, bitlen);
|
|
for (i = 0; i < bytelen; i += handle.unit) {
|
|
state = aml_region_write_simple(&handle, i, value);
|
|
if (state == -1) {
|
|
goto out;
|
|
}
|
|
value = value >> (handle.unit * 8);
|
|
}
|
|
break;
|
|
}
|
|
|
|
aml_region_handle_free(&handle);
|
|
out:
|
|
return (state);
|
|
}
|
|
|
|
int
|
|
aml_region_io(struct aml_environ *env, int io, int regtype,
|
|
u_int32_t flags, u_int32_t *valuep, u_int32_t baseaddr,
|
|
u_int32_t bitoffset, u_int32_t bitlen)
|
|
{
|
|
u_int32_t unit, offset;
|
|
u_int32_t offadj, bitadj;
|
|
u_int32_t value, readval;
|
|
int state, i;
|
|
|
|
readval = 0;
|
|
state = 0;
|
|
unit = 4; /* limitation of 32 bits alignment */
|
|
offset = bitoffset % (unit * 8);
|
|
offadj = 0;
|
|
bitadj = 0;
|
|
if (offset + bitlen > unit * 8) {
|
|
bitadj = bitlen - (unit * 8 - offset);
|
|
}
|
|
for (i = 0; i < offset + bitlen; i += unit * 8) {
|
|
value = (*valuep) >> offadj;
|
|
state = aml_region_io_simple(env, io, regtype, flags,
|
|
&value, baseaddr, bitoffset + offadj, bitlen - bitadj);
|
|
if (state == -1) {
|
|
goto out;
|
|
}
|
|
readval |= value << offadj;
|
|
bitadj = offadj = bitlen - bitadj;
|
|
}
|
|
*valuep = readval;
|
|
|
|
out:
|
|
return (state);
|
|
}
|