hw/ppc/fw_cfg.c

   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 }