xref: /openbmc/qemu/hw/i386/fw_cfg.h (revision a75ed3c43064528f3409f0be286b62b9c3a47218)
1  /*
2   * QEMU fw_cfg helpers (X86 specific)
3   *
4   * Copyright (c) 2003-2004 Fabrice Bellard
5   *
6   * SPDX-License-Identifier: MIT
7   */
8  
9  #ifndef HW_I386_FW_CFG_H
10  #define HW_I386_FW_CFG_H
11  
12  #include "hw/boards.h"
13  #include "hw/nvram/fw_cfg.h"
14  
15  #define FW_CFG_IO_BASE     0x510
16  
17  #define FW_CFG_ACPI_TABLES      (FW_CFG_ARCH_LOCAL + 0)
18  #define FW_CFG_SMBIOS_ENTRIES   (FW_CFG_ARCH_LOCAL + 1)
19  #define FW_CFG_IRQ0_OVERRIDE    (FW_CFG_ARCH_LOCAL + 2)
20  #define FW_CFG_HPET             (FW_CFG_ARCH_LOCAL + 4)
21  
22  FWCfgState *fw_cfg_arch_create(MachineState *ms,
23                                 uint16_t boot_cpus,
24                                 uint16_t apic_id_limit);
25  void fw_cfg_build_smbios(MachineState *ms, FWCfgState *fw_cfg);
26  void fw_cfg_build_feature_control(MachineState *ms, FWCfgState *fw_cfg);
27  void fw_cfg_add_acpi_dsdt(Aml *scope, FWCfgState *fw_cfg);
28  
29  #endif
30