blob: 584e03b6a9ca30ec6a0dc8802c2b6b49deef07b5 [file] [log] [blame]
/*
* Copyright (c) 2018 The Fuchsia Authors
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef _ZIRCON_SYSCONFIG_H_
#define _ZIRCON_SYSCONFIG_H_
// Zircon sysconfig partition format
//
// The sysconfig partition consists of four kvstore sections, each 32K in size.
// The sections are:
//
// version-a: System configuration used when booting from Zircon-A.
//
// version-b: System configuration used when booting from Zircon-B.
//
// boot-default: Default bootloader configuration.
//
// boot-oneshot: Bootloader configuration for one-time use.
// If present, this overrides boot-default, and the bootloader
// deletes this section after use.
#define ZX_SYSCONFIG_KVSTORE_SIZE 32768
#define ZX_SYSCONFIG_VERSION_A_OFFSET (0 * ZX_SYSCONFIG_KVSTORE_SIZE)
#define ZX_SYSCONFIG_VERSION_B_OFFSET (1 * ZX_SYSCONFIG_KVSTORE_SIZE)
#define ZX_SYSCONFIG_BOOT_DEFAULT_OFFSET (2 * ZX_SYSCONFIG_KVSTORE_SIZE)
#define ZX_SYSCONFIG_BOOT_ONESHOT_OFFSET (3 * ZX_SYSCONFIG_KVSTORE_SIZE)
#endif // _ZIRCON_SYSCONFIG_H_