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 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_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