1 #ifndef FWCFG_H 2 #define FWCFG_H 3 4 #include <stdint.h> 5 6 #define FW_CFG_SIGNATURE 0x00 7 #define FW_CFG_ID 0x01 8 #define FW_CFG_UUID 0x02 9 #define FW_CFG_RAM_SIZE 0x03 10 #define FW_CFG_NOGRAPHIC 0x04 11 #define FW_CFG_NB_CPUS 0x05 12 #define FW_CFG_MACHINE_ID 0x06 13 #define FW_CFG_KERNEL_ADDR 0x07 14 #define FW_CFG_KERNEL_SIZE 0x08 15 #define FW_CFG_KERNEL_CMDLINE 0x09 16 #define FW_CFG_INITRD_ADDR 0x0a 17 #define FW_CFG_INITRD_SIZE 0x0b 18 #define FW_CFG_BOOT_DEVICE 0x0c 19 #define FW_CFG_NUMA 0x0d 20 #define FW_CFG_BOOT_MENU 0x0e 21 #define FW_CFG_MAX_CPUS 0x0f 22 #define FW_CFG_MAX_ENTRY 0x10 23 24 #define FW_CFG_WRITE_CHANNEL 0x4000 25 #define FW_CFG_ARCH_LOCAL 0x8000 26 #define FW_CFG_ENTRY_MASK ~(FW_CFG_WRITE_CHANNEL | FW_CFG_ARCH_LOCAL) 27 28 #define FW_CFG_INVALID 0xffff 29 30 #define BIOS_CFG_IOPORT 0x510 31 32 #define FW_CFG_ACPI_TABLES (FW_CFG_ARCH_LOCAL + 0) 33 #define FW_CFG_SMBIOS_ENTRIES (FW_CFG_ARCH_LOCAL + 1) 34 #define FW_CFG_IRQ0_OVERRIDE (FW_CFG_ARCH_LOCAL + 2) 35 36 uint8_t fwcfg_get_u8(unsigned index); 37 uint16_t fwcfg_get_u16(unsigned index); 38 uint32_t fwcfg_get_u32(unsigned index); 39 uint64_t fwcfg_get_u64(unsigned index); 40 41 unsigned fwcfg_get_nb_cpus(void); 42 43 #endif 44 45