LXR qemu/hw/i386/fw

   1/*
   2 * QEMU fw_cfg helpers (X86 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/i386/fw_cfg.h"
  17#include "hw/nvram/fw_cfg.h"
  18
  19const 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_ACPI_TABLES, "acpi_tables"},
  26        {FW_CFG_SMBIOS_ENTRIES, "smbios_entries"},
  27        {FW_CFG_IRQ0_OVERRIDE, "irq0_override"},
  28        {FW_CFG_E820_TABLE, "e820_table"},
  29        {FW_CFG_HPET, "hpet"},
  30    };
  31
  32    for (size_t i = 0; i < ARRAY_SIZE(fw_cfg_arch_wellknown_keys); i++) {
  33        if (fw_cfg_arch_wellknown_keys[i].key == key) {
  34            return fw_cfg_arch_wellknown_keys[i].name;
  35        }
  36    }
  37    return NULL;
  38}
  39