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/* SPDX-License-Identifier: GPL-2.0-only */
#include <acpi/acpi.h>
#include <bootstate.h>
#include <console/console.h>
#include <elog.h>
#include <security/vboot/misc.h>
#include <security/vboot/vboot_common.h>
#include <vb2_api.h>
static void elog_add_boot_reason(void)
{
const int rec = vboot_recovery_mode_enabled();
const int dev = vboot_developer_mode_enabled();
if (rec) {
const u8 reason = vboot_check_recovery_request();
elog_add_event_byte(ELOG_TYPE_CROS_RECOVERY_MODE, reason);
printk(BIOS_DEBUG, "%s: Logged recovery mode boot%s, reason: 0x%02x\n",
__func__, dev ? " (Dev-switch on)" : "", reason);
}
/* Skip logging developer mode in ACPI resume path */
if (dev && !acpi_is_wakeup_s3()) {
elog_add_event(ELOG_TYPE_CROS_DEVELOPER_MODE);
printk(BIOS_DEBUG, "%s: Logged dev mode boot\n", __func__);
}
/* Diagnostic boot if requested */
if (vboot_get_context()->boot_mode == VB2_BOOT_MODE_DIAGNOSTICS) {
elog_add_event_byte(ELOG_TYPE_CROS_DIAGNOSTICS,
ELOG_CROS_LAUNCH_DIAGNOSTICS);
printk(BIOS_DEBUG, "%s: Logged diagnostic boot\n", __func__);
}
}
static void elog_add_vboot_info(void)
{
/* Skip logging boot info in ACPI resume path */
if (acpi_is_wakeup_s3())
return;
struct vb2_context *ctx = vboot_get_context();
union vb2_fw_boot_info data = vb2api_get_fw_boot_info(ctx);
uint8_t width = offsetof(union vb2_fw_boot_info, recovery_reason);
if (vboot_recovery_mode_enabled())
width = sizeof(union vb2_fw_boot_info);
elog_add_event_raw(ELOG_TYPE_FW_VBOOT_INFO, &data, width);
}
static void elog_add_boot_records(void *unused)
{
/* Log boot reason into the eventlog */
elog_add_boot_reason();
/* Log fw vboot info into the eventlog */
elog_add_vboot_info();
}
BOOT_STATE_INIT_ENTRY(BS_POST_DEVICE, BS_ON_ENTRY, elog_add_boot_records, NULL);
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