blob: 64d4c6ea3d7c45c1addb6424d6e943b0cffedfe3 [file] [log] [blame]
#ifndef FWCFG_H
#define FWCFG_H
#include <stdint.h>
#include <stdbool.h>
#define FW_CFG_SIGNATURE 0x00
#define FW_CFG_ID 0x01
#define FW_CFG_UUID 0x02
#define FW_CFG_RAM_SIZE 0x03
#define FW_CFG_NOGRAPHIC 0x04
#define FW_CFG_NB_CPUS 0x05
#define FW_CFG_MACHINE_ID 0x06
#define FW_CFG_KERNEL_ADDR 0x07
#define FW_CFG_KERNEL_SIZE 0x08
#define FW_CFG_KERNEL_CMDLINE 0x09
#define FW_CFG_INITRD_ADDR 0x0a
#define FW_CFG_INITRD_SIZE 0x0b
#define FW_CFG_BOOT_DEVICE 0x0c
#define FW_CFG_NUMA 0x0d
#define FW_CFG_BOOT_MENU 0x0e
#define FW_CFG_MAX_CPUS 0x0f
#define FW_CFG_MAX_ENTRY 0x10
#define FW_CFG_MAX_RAM 0x11
#define FW_CFG_WRITE_CHANNEL 0x4000
#define FW_CFG_ARCH_LOCAL 0x8000
#define FW_CFG_ENTRY_MASK ~(FW_CFG_WRITE_CHANNEL | FW_CFG_ARCH_LOCAL)
#define FW_CFG_INVALID 0xffff
#define BIOS_CFG_IOPORT 0x510
#define FW_CFG_ACPI_TABLES (FW_CFG_ARCH_LOCAL + 0)
#define FW_CFG_SMBIOS_ENTRIES (FW_CFG_ARCH_LOCAL + 1)
#define FW_CFG_IRQ0_OVERRIDE (FW_CFG_ARCH_LOCAL + 2)
extern bool no_test_device;
static inline bool test_device_enabled(void)
{
return !no_test_device;
}
uint8_t fwcfg_get_u8(unsigned index);
uint16_t fwcfg_get_u16(unsigned index);
uint32_t fwcfg_get_u32(unsigned index);
uint64_t fwcfg_get_u64(unsigned index);
unsigned fwcfg_get_nb_cpus(void);
#endif