259 lines
6.5 KiB
C
259 lines
6.5 KiB
C
/*-
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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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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <sys/acpi.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 "acpidump.h"
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static void
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acpi_print_string(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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asl_dump_objectlist(&dp, end, 0);
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assert(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->body, dsdp->len - SIZEOF_SDT_HDR);
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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_print_sdt(struct ACPIsdt *sdp)
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{
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acpi_print_string(sdp->signature, 4);
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printf(": Lenth=%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(sdp->oemid, 6);
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printf(", OEM Table ID=");
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acpi_print_string(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(sdp->creator, 4);
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printf(", Creator Revision=0x%x\n", sdp->crerev);
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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("\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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}
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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("\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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}
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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("RSD PTR: Checksum=%d, OEMID=", rp->sum);
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acpi_print_string(rp->oem, 6);
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printf(", RsdtAddress=0x%08x\n", rp->addr);
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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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