freebsd-dev/usr.sbin/acpi/acpidump/acpi.c

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/*-
* Copyright (c) 1998 Doug Rabson
* Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: acpi.c,v 1.4 2000/08/09 14:47:52 iwasaki Exp $
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/stat.h>
#include <assert.h>
#include <err.h>
#include <fcntl.h>
#include <stdio.h>
#include <unistd.h>
#include "acpidump.h"
static void
acpi_print_string(char *s, size_t length)
{
int c;
/* Trim trailing spaces and NULLs */
while (length > 0 && (s[length - 1] == ' ' || s[length - 1] == '\0'))
length--;
while (length--) {
c = *s++;
putchar(c);
}
}
static void
acpi_handle_dsdt(struct ACPIsdt *dsdp)
{
u_int8_t *dp;
u_int8_t *end;
acpi_print_dsdt(dsdp);
dp = (u_int8_t *)dsdp->body;
end = (u_int8_t *)dsdp + dsdp->len;
asl_dump_objectlist(&dp, end, 0);
assert(dp == end);
}
static void
acpi_handle_facp(struct FACPbody *facp)
{
struct ACPIsdt *dsdp;
acpi_print_facp(facp);
dsdp = (struct ACPIsdt *) acpi_map_sdt(facp->dsdt_ptr);
if (acpi_checksum(dsdp, dsdp->len))
errx(1, "DSDT is corrupt\n");
acpi_handle_dsdt(dsdp);
aml_dump(dsdp->body, dsdp->len - SIZEOF_SDT_HDR);
}
/*
* Public interfaces
*/
void
acpi_print_sdt(struct ACPIsdt *sdp)
{
acpi_print_string(sdp->signature, 4);
printf(": Lenth=%d, Revision=%d, Checksum=%d,\n",
sdp->len, sdp->rev, sdp->check);
printf("\tOEMID=");
acpi_print_string(sdp->oemid, 6);
printf(", OEM Table ID=");
acpi_print_string(sdp->oemtblid, 8);
printf(", OEM Revision=0x%x,\n", sdp->oemrev);
printf("\tCreator ID=");
acpi_print_string(sdp->creator, 4);
printf(", Creator Revision=0x%x\n", sdp->crerev);
}
void
acpi_print_rsdt(struct ACPIsdt *rsdp)
{
int i, entries;
acpi_print_sdt(rsdp);
entries = (rsdp->len - SIZEOF_SDT_HDR) / sizeof(u_int32_t);
printf("\tEntries={ ");
for (i = 0; i < entries; i++) {
if (i > 0)
printf(", ");
printf("0x%08x", rsdp->body[i]);
}
printf(" }\n");
}
void
acpi_print_facp(struct FACPbody *facp)
{
char sep;
printf("\tDSDT=0x%x\n", facp->dsdt_ptr);
printf("\tINT_MODEL=%s\n", facp->int_model ? "APIC" : "PIC");
printf("\tSCI_INT=%d\n", facp->sci_int);
printf("\tSMI_CMD=0x%x, ", facp->smi_cmd);
printf("ACPI_ENABLE=0x%x, ", facp->acpi_enable);
printf("ACPI_DISABLE=0x%x, ", facp->acpi_disable);
printf("S4BIOS_REQ=0x%x\n", facp->s4biosreq);
if (facp->pm1a_evt_blk)
printf("\tPM1a_EVT_BLK=0x%x-0x%x\n",
facp->pm1a_evt_blk,
facp->pm1a_evt_blk + facp->pm1_evt_len - 1);
if (facp->pm1b_evt_blk)
printf("\tPM1b_EVT_BLK=0x%x-0x%x\n",
facp->pm1b_evt_blk,
facp->pm1b_evt_blk + facp->pm1_evt_len - 1);
if (facp->pm1a_cnt_blk)
printf("\tPM1a_CNT_BLK=0x%x-0x%x\n",
facp->pm1a_cnt_blk,
facp->pm1a_cnt_blk + facp->pm1_cnt_len - 1);
if (facp->pm1b_cnt_blk)
printf("\tPM1b_CNT_BLK=0x%x-0x%x\n",
facp->pm1b_cnt_blk,
facp->pm1b_cnt_blk + facp->pm1_cnt_len - 1);
if (facp->pm2_cnt_blk)
printf("\tPM2_CNT_BLK=0x%x-0x%x\n",
facp->pm2_cnt_blk,
facp->pm2_cnt_blk + facp->pm2_cnt_len - 1);
if (facp->pm_tmr_blk)
printf("\tPM2_TMR_BLK=0x%x-0x%x\n",
facp->pm_tmr_blk,
facp->pm_tmr_blk + facp->pm_tmr_len - 1);
if (facp->gpe0_blk)
printf("\tPM2_GPE0_BLK=0x%x-0x%x\n",
facp->gpe0_blk,
facp->gpe0_blk + facp->gpe0_len - 1);
if (facp->gpe1_blk)
printf("\tPM2_GPE1_BLK=0x%x-0x%x, GPE1_BASE=%d\n",
facp->gpe1_blk,
facp->gpe1_blk + facp->gpe1_len - 1,
facp->gpe1_base);
printf("\tP_LVL2_LAT=%dms, P_LVL3_LAT=%dms\n",
facp->p_lvl2_lat, facp->p_lvl3_lat);
printf("\tFLUSH_SIZE=%d, FLUSH_STRIDE=%d\n",
facp->flush_size, facp->flush_stride);
printf("\tDUTY_OFFSET=%d, DUTY_WIDTH=%d\n",
facp->duty_off, facp->duty_width);
printf("\tDAY_ALRM=%d, MON_ALRM=%d, CENTURY=%d\n",
facp->day_alrm, facp->mon_alrm, facp->century);
printf("\tFlags=");
sep = '{';
#define PRINTFLAG(xx) do { \
if (facp->flags & ACPI_FACP_FLAG_## xx) { \
printf("%c%s", sep, #xx); sep = ','; \
} \
} while (0)
PRINTFLAG(WBINVD);
PRINTFLAG(WBINVD_FLUSH);
PRINTFLAG(PROC_C1);
PRINTFLAG(P_LVL2_UP);
PRINTFLAG(PWR_BUTTON);
PRINTFLAG(SLP_BUTTON);
PRINTFLAG(FIX_RTC);
PRINTFLAG(RTC_S4);
PRINTFLAG(TMR_VAL_EXT);
PRINTFLAG(DCK_CAP);
#undef PRINTFLAG
printf("}\n");
}
void
acpi_print_dsdt(struct ACPIsdt *dsdp)
{
acpi_print_sdt(dsdp);
}
int
acpi_checksum(void *p, size_t length)
{
u_int8_t *bp;
u_int8_t sum;
bp = p;
sum = 0;
while (length--)
sum += *bp++;
return (sum);
}
struct ACPIsdt *
acpi_map_sdt(vm_offset_t pa)
{
struct ACPIsdt *sp;
sp = acpi_map_physical(pa, sizeof(struct ACPIsdt));
sp = acpi_map_physical(pa, sp->len);
return (sp);
}
void
acpi_print_rsd_ptr(struct ACPIrsdp *rp)
{
printf("RSD PTR: Checksum=%d, OEMID=", rp->sum);
acpi_print_string(rp->oem, 6);
printf(", RsdtAddress=0x%08x\n", rp->addr);
}
void
acpi_handle_rsdt(struct ACPIsdt *rsdp)
{
int i;
int entries;
struct ACPIsdt *sdp;
entries = (rsdp->len - SIZEOF_SDT_HDR) / sizeof(u_int32_t);
acpi_print_rsdt(rsdp);
for (i = 0; i < entries; i++) {
sdp = (struct ACPIsdt *) acpi_map_sdt(rsdp->body[i]);
if (acpi_checksum(sdp, sdp->len))
errx(1, "RSDT entry %d is corrupt\n", i);
if (!memcmp(sdp->signature, "FACP", 4)) {
acpi_handle_facp((struct FACPbody *) sdp->body);
} else {
acpi_print_sdt(sdp);
}
}
}