Prep v221: Update and clean up build system to sync with upstream

[elogind.git] / src / shared / acpi-fpdt.c

diff --git a/src/shared/acpi-fpdt.c b/src/shared/acpi-fpdt.c
deleted file mode 100644 (file)
index 64e5040..0000000
--- a/src/shared/acpi-fpdt.c
+++ /dev/null
@@ -1,160 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
-  This file is part of systemd.
-
-  Copyright 2013 Kay Sievers
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <stdio.h>
-#include <stdint.h>
-#include <string.h>
-#include <unistd.h>
-#include <fcntl.h>
-
-#include <util.h>
-#include <fileio.h>
-#include <time-util.h>
-#include <acpi-fpdt.h>
-
-struct acpi_table_header {
-        char signature[4];
-        uint32_t length;
-        uint8_t revision;
-        uint8_t checksum;
-        char oem_id[6];
-        char oem_table_id[8];
-        uint32_t oem_revision;
-        char asl_compiler_id[4];
-        uint32_t asl_compiler_revision;
-};
-
-enum {
-        ACPI_FPDT_TYPE_BOOT =   0,
-        ACPI_FPDT_TYPE_S3PERF = 1,
-};
-
-struct acpi_fpdt_header {
-        uint16_t type;
-        uint8_t length;
-        uint8_t revision;
-        uint8_t reserved[4];
-        uint64_t ptr;
-};
-
-struct acpi_fpdt_boot_header {
-        char signature[4];
-        uint32_t length;
-};
-
-enum {
-        ACPI_FPDT_S3PERF_RESUME_REC =   0,
-        ACPI_FPDT_S3PERF_SUSPEND_REC =  1,
-        ACPI_FPDT_BOOT_REC =            2,
-};
-
-struct acpi_fpdt_boot {
-        uint16_t type;
-        uint8_t length;
-        uint8_t revision;
-        uint8_t reserved[4];
-        uint64_t reset_end;
-        uint64_t load_start;
-        uint64_t startup_start;
-        uint64_t exit_services_entry;
-        uint64_t exit_services_exit;
-};
-
-int acpi_get_boot_usec(usec_t *loader_start, usec_t *loader_exit) {
-        _cleanup_free_ char *buf = NULL;
-        struct acpi_table_header *tbl;
-        size_t l = 0;
-        struct acpi_fpdt_header *rec;
-        int r;
-        uint64_t ptr = 0;
-        _cleanup_close_ int fd = -1;
-        struct acpi_fpdt_boot_header hbrec;
-        struct acpi_fpdt_boot brec;
-
-        r = read_full_file("/sys/firmware/acpi/tables/FPDT", &buf, &l);
-        if (r < 0)
-                return r;
-
-        if (l < sizeof(struct acpi_table_header) + sizeof(struct acpi_fpdt_header))
-                return -EINVAL;
-
-        tbl = (struct acpi_table_header *)buf;
-        if (l != tbl->length)
-                return -EINVAL;
-
-        if (memcmp(tbl->signature, "FPDT", 4) != 0)
-                return -EINVAL;
-
-        /* find Firmware Basic Boot Performance Pointer Record */
-        for (rec = (struct acpi_fpdt_header *)(buf + sizeof(struct acpi_table_header));
-             (char *)rec < buf + l;
-             rec = (struct acpi_fpdt_header *)((char *)rec + rec->length)) {
-                if (rec->length <= 0)
-                        break;
-                if (rec->type != ACPI_FPDT_TYPE_BOOT)
-                        continue;
-                if (rec->length != sizeof(struct acpi_fpdt_header))
-                        continue;
-
-                ptr = rec->ptr;
-                break;
-        }
-
-        if (ptr == 0)
-                return -EINVAL;
-
-        /* read Firmware Basic Boot Performance Data Record */
-        fd = open("/dev/mem", O_CLOEXEC|O_RDONLY);
-        if (fd < 0)
-                return -errno;
-
-        l = pread(fd, &hbrec, sizeof(struct acpi_fpdt_boot_header), ptr);
-        if (l != sizeof(struct acpi_fpdt_boot_header))
-                return -EINVAL;
-
-        if (memcmp(hbrec.signature, "FBPT", 4) != 0)
-                return -EINVAL;
-
-        if (hbrec.length < sizeof(struct acpi_fpdt_boot_header) + sizeof(struct acpi_fpdt_boot))
-                return -EINVAL;
-
-        l = pread(fd, &brec, sizeof(struct acpi_fpdt_boot), ptr + sizeof(struct acpi_fpdt_boot_header));
-        if (l != sizeof(struct acpi_fpdt_boot))
-                return -EINVAL;
-
-        if (brec.length != sizeof(struct acpi_fpdt_boot))
-                return -EINVAL;
-
-        if (brec.type != ACPI_FPDT_BOOT_REC)
-                return -EINVAL;
-
-        if (brec.startup_start == 0 || brec.exit_services_exit < brec.startup_start)
-                return -EINVAL;
-        if (brec.exit_services_exit > NSEC_PER_HOUR)
-                return -EINVAL;
-
-        if (loader_start)
-                *loader_start = brec.startup_start / 1000;
-        if (loader_exit)
-                *loader_exit = brec.exit_services_exit / 1000;
-
-        return 0;
-}