import acpidump(8) from ACPI For FreeBSD project.

Obtained from:  ACPI For FreeBSD project
This commit is contained in:
Mitsuru IWASAKI 2000-08-31 14:42:32 +00:00
parent 2e6c5fc592
commit e1e9a4bf77
7 changed files with 1848 additions and 0 deletions

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# $Id: Makefile,v 1.2 2000/07/14 18:16:29 iwasaki Exp $
# $FreeBSD$
PROG= acpidump
SRCS= acpi.c acpi_user.c asl_dump.c aml_dump.c acpidump.c
NOMAN= yes
#MAN8= acpidump.8
#DEBUG_FLAGS= -g
.include <bsd.prog.mk>

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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 <sys/acpi.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);
}
}
}

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/*-
* Copyright (c) 1999 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_user.c,v 1.5 2000/08/09 14:47:52 iwasaki Exp $
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/mman.h>
#include <sys/queue.h>
#include <sys/stat.h>
#include <sys/acpi.h>
#include <err.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "acpidump.h"
static int acpi_mem_fd = -1;
struct acpi_user_mapping {
LIST_ENTRY(acpi_user_mapping) link;
vm_offset_t pa;
caddr_t va;
size_t size;
};
LIST_HEAD(acpi_user_mapping_list, acpi_user_mapping) maplist;
static void
acpi_user_init()
{
if (acpi_mem_fd == -1) {
acpi_mem_fd = open("/dev/mem", O_RDONLY);
if (acpi_mem_fd == -1)
err(1, "opening /dev/mem");
LIST_INIT(&maplist);
}
}
static struct acpi_user_mapping *
acpi_user_find_mapping(vm_offset_t pa, size_t size)
{
struct acpi_user_mapping *map;
/* First search for an existing mapping */
for (map = LIST_FIRST(&maplist); map; map = LIST_NEXT(map, link)) {
if (map->pa <= pa && map->size >= pa + size - map->pa)
return (map);
}
/* Then create a new one */
size = round_page(pa + size) - trunc_page(pa);
pa = trunc_page(pa);
map = malloc(sizeof(struct acpi_user_mapping));
if (!map)
errx(1, "out of memory");
map->pa = pa;
map->va = mmap(0, size, PROT_READ, MAP_SHARED, acpi_mem_fd, pa);
map->size = size;
if ((intptr_t) map->va == -1)
err(1, "can't map address");
LIST_INSERT_HEAD(&maplist, map, link);
return (map);
}
/*
* Public interfaces
*/
struct ACPIrsdp *
acpi_find_rsd_ptr()
{
int i;
u_int8_t buf[sizeof(struct ACPIrsdp)];
acpi_user_init();
for (i = 0; i < 1024 * 1024; i += 16) {
read(acpi_mem_fd, buf, 16);
if (!memcmp(buf, "RSD PTR ", 8)) {
/* Read the rest of the structure */
read(acpi_mem_fd, buf + 16, sizeof(struct ACPIrsdp) - 16);
/* Verify checksum before accepting it. */
if (acpi_checksum(buf, sizeof(struct ACPIrsdp)))
continue;
return (acpi_map_physical(i, sizeof(struct ACPIrsdp)));
}
}
return (0);
}
void *
acpi_map_physical(vm_offset_t pa, size_t size)
{
struct acpi_user_mapping *map;
map = acpi_user_find_mapping(pa, size);
return (map->va + (pa - map->pa));
}
void
acpi_load_dsdt(char *dumpfile, u_int8_t **dpp, u_int8_t **endp)
{
u_int8_t *dp;
u_int8_t *end;
struct stat sb;
if ((acpi_mem_fd = open(dumpfile, O_RDONLY)) == -1) {
errx(1, "opening %s\n", dumpfile);
}
LIST_INIT(&maplist);
if (fstat(acpi_mem_fd, &sb) == -1) {
errx(1, "fstat %s\n", dumpfile);
}
dp = mmap(0, sb.st_size, PROT_READ, MAP_PRIVATE, acpi_mem_fd, 0);
if (dp == NULL) {
errx(1, "mmap %s\n", dumpfile);
}
/*
* Microsoft asl.exe generates 0x23 byte additional info.
* at the begining of the file, so just ignore it.
*/
if (strncmp(dp, "DSDT", 4) == 0) {
dp += 0x23;
sb.st_size -= 0x23;
}
end = (u_int8_t *) dp + sb.st_size;
*dpp = dp;
*endp = end;
}

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/*-
* 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: acpidump.c,v 1.3 2000/08/08 14:12:21 iwasaki Exp $
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/acpi.h>
#include <assert.h>
#include <err.h>
#include <stdio.h>
#include <unistd.h>
#include "acpidump.h"
static void
asl_dump_from_file(char *file)
{
u_int8_t *dp;
u_int8_t *end;
acpi_load_dsdt(file, &dp, &end);
asl_dump_objectlist(&dp, end, 0);
}
static void
asl_dump_from_devmem()
{
struct ACPIrsdp *rp;
struct ACPIsdt *rsdp;
rp = acpi_find_rsd_ptr();
if (!rp)
errx(1, "Can't find ACPI information\n");
acpi_print_rsd_ptr(rp);
rsdp = (struct ACPIsdt *) acpi_map_sdt(rp->addr);
if (memcmp(rsdp->signature, "RSDT", 4) ||
acpi_checksum(rsdp, rsdp->len))
errx(1, "RSDT is corrupted\n");
acpi_handle_rsdt(rsdp);
}
static void
usage(const char *progname)
{
printf("usage:\t%s [-o dsdt_file_for_output]\n", progname);
printf("or\t%s [-f dsdt_file_for_input]\n", progname);
exit(1);
}
int
main(int argc, char *argv[])
{
char c, *progname;
progname = argv[0];
while ((c = getopt(argc, argv, "f:o:h")) != -1) {
switch (c) {
case 'f':
asl_dump_from_file(optarg);
return (0);
case 'o':
aml_dumpfile = optarg;
break;
case 'h':
usage(progname);
break;
default:
argc -= optind;
argv += optind;
}
}
asl_dump_from_devmem();
return (0);
}

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/*-
* Copyright (c) 1999 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: acpidump.h,v 1.3 2000/08/09 14:47:52 iwasaki Exp $
* $FreeBSD$
*/
#ifndef _ACPIDUMP_H_
#define _ACPIDUMP_H_
void asl_dump_termobj(u_int8_t **, int);
void asl_dump_objectlist(u_int8_t **, u_int8_t *, int);
void aml_dump(u_int32_t *, int);
void acpi_handle_rsdt(struct ACPIsdt *);
void acpi_load_dsdt(char *, u_int8_t **, u_int8_t **);
extern char *aml_dumpfile;
#endif /* !_ACPIDUMP_H_ */

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/*-
* 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: aml_dump.c,v 1.3 2000/08/08 14:12:21 iwasaki Exp $
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/acpi.h>
#include <fcntl.h>
#include <stdio.h>
#include <unistd.h>
#include "acpidump.h"
char *aml_dumpfile = NULL;
void
aml_dump(u_int32_t *ptr, int len)
{
int fd;
mode_t mode;
if (aml_dumpfile == NULL) {
return;
}
mode = (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
fd = open(aml_dumpfile, O_WRONLY | O_CREAT, mode);
if (fd == -1) {
return;
}
write(fd, ptr, len);
close(fd);
}

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