1 #ifndef FWCFG_H 2 #define FWCFG_H 3 4 #include <stdint.h> 5 #include <stdbool.h> 6 7 #define FW_CFG_SIGNATURE 0x00 8 #define FW_CFG_ID 0x01 9 #define FW_CFG_UUID 0x02 10 #define FW_CFG_RAM_SIZE 0x03 11 #define FW_CFG_NOGRAPHIC 0x04 12 #define FW_CFG_NB_CPUS 0x05 13 #define FW_CFG_MACHINE_ID 0x06 14 #define FW_CFG_KERNEL_ADDR 0x07 15 #define FW_CFG_KERNEL_SIZE 0x08 16 #define FW_CFG_KERNEL_CMDLINE 0x09 17 #define FW_CFG_INITRD_ADDR 0x0a 18 #define FW_CFG_INITRD_SIZE 0x0b 19 #define FW_CFG_BOOT_DEVICE 0x0c 20 #define FW_CFG_NUMA 0x0d 21 #define FW_CFG_BOOT_MENU 0x0e 22 #define FW_CFG_MAX_CPUS 0x0f 23 #define FW_CFG_MAX_ENTRY 0x10 24 25 #define FW_CFG_WRITE_CHANNEL 0x4000 26 #define FW_CFG_ARCH_LOCAL 0x8000 27 #define FW_CFG_ENTRY_MASK ~(FW_CFG_WRITE_CHANNEL | FW_CFG_ARCH_LOCAL) 28 29 #define FW_CFG_INVALID 0xffff 30 31 #define BIOS_CFG_IOPORT 0x510 32 33 #define FW_CFG_ACPI_TABLES (FW_CFG_ARCH_LOCAL + 0) 34 #define FW_CFG_SMBIOS_ENTRIES (FW_CFG_ARCH_LOCAL + 1) 35 #define FW_CFG_IRQ0_OVERRIDE (FW_CFG_ARCH_LOCAL + 2) 36 37 extern bool no_test_device; 38 39 static inline bool test_device_enabled(void) 40 { 41 return !no_test_device; 42 } 43 44 uint8_t fwcfg_get_u8(unsigned index); 45 uint16_t fwcfg_get_u16(unsigned index); 46 uint32_t fwcfg_get_u32(unsigned index); 47 uint64_t fwcfg_get_u64(unsigned index); 48 49 unsigned fwcfg_get_nb_cpus(void); 50 51 #endif 52 53