443 lines
11 KiB
C
443 lines
11 KiB
C
/* $NetBSD: acpi.c,v 1.2 2007/01/14 05:33:18 dogcow Exp $ */
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/*-
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* Copyright (c) 1998 Doug Rabson
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* Copyright (c) 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: acpi.c,v 1.4 2000/08/09 14:47:52 iwasaki Exp
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* $FreeBSD: src/usr.sbin/acpi/acpidump/acpi.c,v 1.4 2001/10/22 17:25:25 iwasaki Exp $
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*/
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#include <sys/cdefs.h>
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__RCSID("$NetBSD: acpi.c,v 1.2 2007/01/14 05:33:18 dogcow Exp $");
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <assert.h>
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#include <err.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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#include <acpi_common.h>
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#include "acpidump.h"
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#include "aml/aml_env.h"
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#include "aml/aml_common.h"
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#include "aml/aml_parse.h"
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#include "aml/aml_region.h"
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#define BEGIN_COMMENT "/*\n"
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#define END_COMMENT " */\n"
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struct ACPIsdt dsdt_header = {
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.signature = "DSDT",
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.rev = 1,
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.oemid = "OEMID",
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.oemtblid = "OEMTBLID",
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.oemrev = 0x12345678,
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.creator = "CRTR",
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.crerev = 0x12345678,
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};
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static void
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acpi_trim_string(char *s, size_t length)
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{
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/* Trim trailing spaces and NULLs */
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while (length > 0 && (s[length - 1] == ' ' || s[length - 1] == '\0'))
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s[length-- - 1] = '\0';
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}
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static void
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acpi_print_dsdt_definition(void)
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{
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char oemid[6 + 1];
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char oemtblid[8 + 1];
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acpi_trim_string((char *)dsdt_header.oemid, sizeof(oemid) - 1);
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acpi_trim_string((char *)dsdt_header.oemtblid, sizeof(oemtblid) - 1);
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(void)strlcpy(oemid, (const char *)dsdt_header.oemid, sizeof(oemid));
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(void)strlcpy(oemtblid, (const char *)dsdt_header.oemtblid,
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sizeof(oemtblid));
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printf("DefinitionBlock (\"acpi_dsdt.aml\", //Output filename\"DSDT\", //Signature0x%x, //DSDT Revision\"%s\", //OEMID\"%s\", //TABLE ID0x%x //OEM Revision\n)\n",
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dsdt_header.rev, oemid, oemtblid, dsdt_header.oemrev);
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}
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static void
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acpi_print_string(const char *s, size_t length)
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{
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int c;
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/* Trim trailing spaces and NULLs */
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while (length > 0 && (s[length - 1] == ' ' || s[length - 1] == '\0'))
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length--;
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while (length--) {
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c = *s++;
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putchar(c);
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}
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}
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static void
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acpi_handle_dsdt(struct ACPIsdt *dsdp)
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{
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u_int8_t *dp;
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u_int8_t *end;
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acpi_print_dsdt(dsdp);
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dp = (u_int8_t *)dsdp->body;
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end = (u_int8_t *)dsdp + dsdp->len;
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acpi_dump_dsdt(dp, end);
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}
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static void
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acpi_handle_facp(struct FACPbody *facp)
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{
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struct ACPIsdt *dsdp;
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acpi_print_facp(facp);
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dsdp = (struct ACPIsdt *) acpi_map_sdt(facp->dsdt_ptr);
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if (acpi_checksum(dsdp, dsdp->len))
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errx(1, "DSDT is corrupt\n");
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acpi_handle_dsdt(dsdp);
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aml_dump(dsdp);
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}
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static void
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init_namespace(void)
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{
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struct aml_environ env;
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struct aml_name *newname;
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aml_new_name_group((void *)AML_NAME_GROUP_OS_DEFINED);
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env.curname = aml_get_rootname();
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newname = aml_create_name(&env, (const unsigned char *)"\\_OS_");
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newname->property = aml_alloc_object(aml_t_string, NULL);
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newname->property->str.needfree = 0;
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newname->property->str.string = __UNCONST("Microsoft Windows NT");
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}
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/*
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* Public interfaces
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*/
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void
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acpi_dump_dsdt(u_int8_t *dp, u_int8_t *end)
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{
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extern struct aml_environ asl_env;
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acpi_print_dsdt_definition();
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/* 1st stage: parse only w/o printing */
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init_namespace();
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aml_new_name_group(dp);
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bzero(&asl_env, sizeof(asl_env));
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asl_env.dp = dp;
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asl_env.end = end;
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asl_env.curname = aml_get_rootname();
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aml_local_stack_push(aml_local_stack_create());
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aml_parse_objectlist(&asl_env, 0);
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aml_local_stack_delete(aml_local_stack_pop());
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assert(asl_env.dp == asl_env.end);
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asl_env.dp = dp;
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/* 2nd stage: dump whole object list */
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printf("\n{\n");
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asl_dump_objectlist(&dp, end, 0);
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printf("\n}\n");
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assert(dp == end);
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}
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void
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acpi_print_sdt(struct ACPIsdt *sdp)
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{
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printf(BEGIN_COMMENT);
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acpi_print_string((const char *)sdp->signature, 4);
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printf(": Length=%d, Revision=%d, Checksum=%d,\n",
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sdp->len, sdp->rev, sdp->check);
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printf("\tOEMID=");
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acpi_print_string((const char *)sdp->oemid, 6);
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printf(", OEM Table ID=");
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acpi_print_string((const char *)sdp->oemtblid, 8);
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printf(", OEM Revision=0x%x,\n", sdp->oemrev);
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printf("\tCreator ID=");
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acpi_print_string((const char *)sdp->creator, 4);
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printf(", Creator Revision=0x%x\n", sdp->crerev);
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printf(END_COMMENT);
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if (!memcmp(sdp->signature, "DSDT", 4)) {
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memcpy(&dsdt_header, sdp, sizeof(dsdt_header));
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}
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}
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void
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acpi_print_rsdt(struct ACPIsdt *rsdp)
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{
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int i, entries;
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acpi_print_sdt(rsdp);
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entries = (rsdp->len - SIZEOF_SDT_HDR) / sizeof(u_int32_t);
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printf(BEGIN_COMMENT);
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printf("\tEntries={ ");
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for (i = 0; i < entries; i++) {
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if (i > 0)
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printf(", ");
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printf("0x%08x", rsdp->body[i]);
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}
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printf(" }\n");
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printf(END_COMMENT);
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}
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void
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acpi_print_facp(struct FACPbody *facp)
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{
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char sep;
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printf(BEGIN_COMMENT);
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printf("\tDSDT=0x%x\n", facp->dsdt_ptr);
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printf("\tINT_MODEL=%s\n", facp->int_model ? "APIC" : "PIC");
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printf("\tSCI_INT=%d\n", facp->sci_int);
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printf("\tSMI_CMD=0x%x, ", facp->smi_cmd);
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printf("ACPI_ENABLE=0x%x, ", facp->acpi_enable);
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printf("ACPI_DISABLE=0x%x, ", facp->acpi_disable);
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printf("S4BIOS_REQ=0x%x\n", facp->s4biosreq);
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if (facp->pm1a_evt_blk)
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printf("\tPM1a_EVT_BLK=0x%x-0x%x\n",
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facp->pm1a_evt_blk,
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facp->pm1a_evt_blk + facp->pm1_evt_len - 1);
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if (facp->pm1b_evt_blk)
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printf("\tPM1b_EVT_BLK=0x%x-0x%x\n",
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facp->pm1b_evt_blk,
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facp->pm1b_evt_blk + facp->pm1_evt_len - 1);
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if (facp->pm1a_cnt_blk)
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printf("\tPM1a_CNT_BLK=0x%x-0x%x\n",
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facp->pm1a_cnt_blk,
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facp->pm1a_cnt_blk + facp->pm1_cnt_len - 1);
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if (facp->pm1b_cnt_blk)
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printf("\tPM1b_CNT_BLK=0x%x-0x%x\n",
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facp->pm1b_cnt_blk,
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facp->pm1b_cnt_blk + facp->pm1_cnt_len - 1);
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if (facp->pm2_cnt_blk)
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printf("\tPM2_CNT_BLK=0x%x-0x%x\n",
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facp->pm2_cnt_blk,
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facp->pm2_cnt_blk + facp->pm2_cnt_len - 1);
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if (facp->pm_tmr_blk)
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printf("\tPM2_TMR_BLK=0x%x-0x%x\n",
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facp->pm_tmr_blk,
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facp->pm_tmr_blk + facp->pm_tmr_len - 1);
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if (facp->gpe0_blk)
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printf("\tPM2_GPE0_BLK=0x%x-0x%x\n",
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facp->gpe0_blk,
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facp->gpe0_blk + facp->gpe0_len - 1);
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if (facp->gpe1_blk)
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printf("\tPM2_GPE1_BLK=0x%x-0x%x, GPE1_BASE=%d\n",
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facp->gpe1_blk,
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facp->gpe1_blk + facp->gpe1_len - 1,
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facp->gpe1_base);
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printf("\tP_LVL2_LAT=%dms, P_LVL3_LAT=%dms\n",
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facp->p_lvl2_lat, facp->p_lvl3_lat);
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printf("\tFLUSH_SIZE=%d, FLUSH_STRIDE=%d\n",
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facp->flush_size, facp->flush_stride);
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printf("\tDUTY_OFFSET=%d, DUTY_WIDTH=%d\n",
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facp->duty_off, facp->duty_width);
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printf("\tDAY_ALRM=%d, MON_ALRM=%d, CENTURY=%d\n",
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facp->day_alrm, facp->mon_alrm, facp->century);
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printf("\tFlags=");
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sep = '{';
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#define PRINTFLAG(xx) do { \
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if (facp->flags & ACPI_FACP_FLAG_## xx) { \
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printf("%c%s", sep, #xx); sep = ','; \
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} \
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} while (0)
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PRINTFLAG(WBINVD);
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PRINTFLAG(WBINVD_FLUSH);
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PRINTFLAG(PROC_C1);
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PRINTFLAG(P_LVL2_UP);
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PRINTFLAG(PWR_BUTTON);
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PRINTFLAG(SLP_BUTTON);
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PRINTFLAG(FIX_RTC);
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PRINTFLAG(RTC_S4);
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PRINTFLAG(TMR_VAL_EXT);
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PRINTFLAG(DCK_CAP);
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#undef PRINTFLAG
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printf("}\n");
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printf(END_COMMENT);
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}
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void
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acpi_print_dsdt(struct ACPIsdt *dsdp)
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{
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acpi_print_sdt(dsdp);
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}
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int
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acpi_checksum(void *p, size_t length)
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{
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u_int8_t *bp;
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u_int8_t sum;
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bp = p;
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sum = 0;
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while (length--)
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sum += *bp++;
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return (sum);
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}
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struct ACPIsdt *
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acpi_map_sdt(vm_offset_t pa)
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{
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struct ACPIsdt *sp;
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sp = acpi_map_physical(pa, sizeof(struct ACPIsdt));
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sp = acpi_map_physical(pa, sp->len);
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return (sp);
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}
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void
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acpi_print_rsd_ptr(struct ACPIrsdp *rp)
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{
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printf(BEGIN_COMMENT);
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printf("RSD PTR: Checksum=%d, OEMID=", rp->sum);
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acpi_print_string((const char *)rp->oem, 6);
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printf(", RsdtAddress=0x%08x\n", rp->addr);
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printf(END_COMMENT);
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}
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void
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acpi_handle_rsdt(struct ACPIsdt *rsdp)
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{
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int i;
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int entries;
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struct ACPIsdt *sdp;
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entries = (rsdp->len - SIZEOF_SDT_HDR) / sizeof(u_int32_t);
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acpi_print_rsdt(rsdp);
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for (i = 0; i < entries; i++) {
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sdp = (struct ACPIsdt *) acpi_map_sdt(rsdp->body[i]);
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if (acpi_checksum(sdp, sdp->len))
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errx(1, "RSDT entry %d is corrupt\n", i);
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if (!memcmp(sdp->signature, "FACP", 4)) {
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acpi_handle_facp((struct FACPbody *) sdp->body);
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} else {
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acpi_print_sdt(sdp);
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}
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}
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}
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/*
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* Dummy functions
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*/
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void
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aml_dbgr(struct aml_environ *env1, struct aml_environ *env2)
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{
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/* do nothing */
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}
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int
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aml_region_read_simple(struct aml_region_handle *h, vm_offset_t offset,
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u_int32_t *valuep)
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{
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return (0);
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}
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int
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aml_region_write_simple(struct aml_region_handle *h, vm_offset_t offset,
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u_int32_t value)
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{
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return (0);
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}
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u_int32_t
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aml_region_prompt_read(struct aml_region_handle *h, u_int32_t value)
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{
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return (0);
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}
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u_int32_t
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aml_region_prompt_write(struct aml_region_handle *h, u_int32_t value)
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{
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return (0);
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}
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int
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aml_region_prompt_update_value(u_int32_t orgval, u_int32_t value,
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struct aml_region_handle *h)
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{
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return (0);
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}
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u_int32_t
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aml_region_read(struct aml_environ *env, int regtype, u_int32_t flags,
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u_int32_t addr, u_int32_t bitoffset, u_int32_t bitlen)
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{
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return (0);
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}
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int
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aml_region_write(struct aml_environ *env, int regtype, u_int32_t flags,
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u_int32_t value, u_int32_t addr, u_int32_t bitoffset, u_int32_t bitlen)
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{
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return (0);
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}
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int
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aml_region_write_from_buffer(struct aml_environ *env, int regtype,
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u_int32_t flags, u_int8_t *buffer, u_int32_t addr, u_int32_t bitoffset,
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u_int32_t bitlen)
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{
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return (0);
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}
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int
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aml_region_bcopy(struct aml_environ *env, int regtype, u_int32_t flags,
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u_int32_t addr, u_int32_t bitoffset, u_int32_t bitlen,
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u_int32_t dflags, u_int32_t daddr,
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u_int32_t dbitoffset, u_int32_t dbitlen)
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{
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return (0);
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}
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int
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aml_region_read_into_buffer(struct aml_environ *env, int regtype,
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u_int32_t flags, u_int32_t addr, u_int32_t bitoffset,
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u_int32_t bitlen, u_int8_t *buffer)
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{
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return (0);
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}
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