|  | /* | 
|  | * QEMU fw_cfg helpers (MIPS specific) | 
|  | * | 
|  | * Copyright (c) 2020 Lemote, Inc. | 
|  | * | 
|  | * Author: | 
|  | *   Huacai Chen (chenhc@lemote.com) | 
|  | * | 
|  | * SPDX-License-Identifier: GPL-2.0-or-later | 
|  | * | 
|  | * This work is licensed under the terms of the GNU GPL, version 2 or later. | 
|  | * See the COPYING file in the top-level directory. | 
|  | */ | 
|  |  | 
|  | #include "qemu/osdep.h" | 
|  | #include "hw/mips/fw_cfg.h" | 
|  | #include "hw/nvram/fw_cfg.h" | 
|  |  | 
|  | const char *fw_cfg_arch_key_name(uint16_t key) | 
|  | { | 
|  | static const struct { | 
|  | uint16_t key; | 
|  | const char *name; | 
|  | } fw_cfg_arch_wellknown_keys[] = { | 
|  | {FW_CFG_MACHINE_VERSION, "machine_version"}, | 
|  | {FW_CFG_CPU_FREQ, "cpu_frequency"}, | 
|  | }; | 
|  |  | 
|  | for (size_t i = 0; i < ARRAY_SIZE(fw_cfg_arch_wellknown_keys); i++) { | 
|  | if (fw_cfg_arch_wellknown_keys[i].key == key) { | 
|  | return fw_cfg_arch_wellknown_keys[i].name; | 
|  | } | 
|  | } | 
|  | return NULL; | 
|  | } |