qemu

FORK: QEMU emulator
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fw_cfg.c (1283B)

      1 /*
      2  * fw_cfg helpers (PPC specific)
      3  *
      4  * Copyright (c) 2019 Red Hat, Inc.
      5  *
      6  * Author:
      7  *   Philippe Mathieu-Daudé <philmd@redhat.com>
      8  *
      9  * SPDX-License-Identifier: GPL-2.0-or-later
     10  *
     11  * This work is licensed under the terms of the GNU GPL, version 2 or later.
     12  * See the COPYING file in the top-level directory.
     13  */
     14 
     15 #include "qemu/osdep.h"
     16 #include "hw/ppc/ppc.h"
     17 #include "hw/nvram/fw_cfg.h"
     18 
     19 const char *fw_cfg_arch_key_name(uint16_t key)
     20 {
     21     static const struct {
     22         uint16_t key;
     23         const char *name;
     24     } fw_cfg_arch_wellknown_keys[] = {
     25         {FW_CFG_PPC_WIDTH, "width"},
     26         {FW_CFG_PPC_HEIGHT, "height"},
     27         {FW_CFG_PPC_DEPTH, "depth"},
     28         {FW_CFG_PPC_TBFREQ, "tbfreq"},
     29         {FW_CFG_PPC_CLOCKFREQ, "clockfreq"},
     30         {FW_CFG_PPC_IS_KVM, "is_kvm"},
     31         {FW_CFG_PPC_KVM_HC, "kvm_hc"},
     32         {FW_CFG_PPC_KVM_PID, "pid"},
     33         {FW_CFG_PPC_NVRAM_ADDR, "nvram_addr"},
     34         {FW_CFG_PPC_BUSFREQ, "busfreq"},
     35         {FW_CFG_PPC_NVRAM_FLAT, "nvram_flat"},
     36         {FW_CFG_PPC_VIACONFIG, "viaconfig"},
     37     };
     38 
     39     for (size_t i = 0; i < ARRAY_SIZE(fw_cfg_arch_wellknown_keys); i++) {
     40         if (fw_cfg_arch_wellknown_keys[i].key == key) {
     41             return fw_cfg_arch_wellknown_keys[i].name;
     42         }
     43     }
     44     return NULL;
     45 }