1 #ifndef FW_CFG_H 2 #define FW_CFG_H 3 4 #ifndef NO_QEMU_PROTOS 5 #include <stdint.h> 6 #include <stddef.h> 7 8 #include "exec/hwaddr.h" 9 #include "qemu/typedefs.h" 10 #endif 11 12 #define FW_CFG_SIGNATURE 0x00 13 #define FW_CFG_ID 0x01 14 #define FW_CFG_UUID 0x02 15 #define FW_CFG_RAM_SIZE 0x03 16 #define FW_CFG_NOGRAPHIC 0x04 17 #define FW_CFG_NB_CPUS 0x05 18 #define FW_CFG_MACHINE_ID 0x06 19 #define FW_CFG_KERNEL_ADDR 0x07 20 #define FW_CFG_KERNEL_SIZE 0x08 21 #define FW_CFG_KERNEL_CMDLINE 0x09 22 #define FW_CFG_INITRD_ADDR 0x0a 23 #define FW_CFG_INITRD_SIZE 0x0b 24 #define FW_CFG_BOOT_DEVICE 0x0c 25 #define FW_CFG_NUMA 0x0d 26 #define FW_CFG_BOOT_MENU 0x0e 27 #define FW_CFG_MAX_CPUS 0x0f 28 #define FW_CFG_KERNEL_ENTRY 0x10 29 #define FW_CFG_KERNEL_DATA 0x11 30 #define FW_CFG_INITRD_DATA 0x12 31 #define FW_CFG_CMDLINE_ADDR 0x13 32 #define FW_CFG_CMDLINE_SIZE 0x14 33 #define FW_CFG_CMDLINE_DATA 0x15 34 #define FW_CFG_SETUP_ADDR 0x16 35 #define FW_CFG_SETUP_SIZE 0x17 36 #define FW_CFG_SETUP_DATA 0x18 37 #define FW_CFG_FILE_DIR 0x19 38 39 #define FW_CFG_FILE_FIRST 0x20 40 #define FW_CFG_FILE_SLOTS 0x10 41 #define FW_CFG_MAX_ENTRY (FW_CFG_FILE_FIRST+FW_CFG_FILE_SLOTS) 42 43 #define FW_CFG_WRITE_CHANNEL 0x4000 44 #define FW_CFG_ARCH_LOCAL 0x8000 45 #define FW_CFG_ENTRY_MASK ~(FW_CFG_WRITE_CHANNEL | FW_CFG_ARCH_LOCAL) 46 47 #define FW_CFG_INVALID 0xffff 48 49 #define FW_CFG_MAX_FILE_PATH 56 50 51 #ifndef NO_QEMU_PROTOS 52 typedef struct FWCfgFile { 53 uint32_t size; /* file size */ 54 uint16_t select; /* write this to 0x510 to read it */ 55 uint16_t reserved; 56 char name[FW_CFG_MAX_FILE_PATH]; 57 } FWCfgFile; 58 59 typedef struct FWCfgFiles { 60 uint32_t count; 61 FWCfgFile f[]; 62 } FWCfgFiles; 63 64 typedef void (*FWCfgCallback)(void *opaque, uint8_t *data); 65 typedef void (*FWCfgReadCallback)(void *opaque, uint32_t offset); 66 67 void fw_cfg_add_bytes(FWCfgState *s, uint16_t key, void *data, size_t len); 68 void fw_cfg_add_string(FWCfgState *s, uint16_t key, const char *value); 69 void fw_cfg_add_i16(FWCfgState *s, uint16_t key, uint16_t value); 70 void fw_cfg_modify_i16(FWCfgState *s, uint16_t key, uint16_t value); 71 void fw_cfg_add_i32(FWCfgState *s, uint16_t key, uint32_t value); 72 void fw_cfg_add_i64(FWCfgState *s, uint16_t key, uint64_t value); 73 void fw_cfg_add_file(FWCfgState *s, const char *filename, void *data, 74 size_t len); 75 void fw_cfg_add_file_callback(FWCfgState *s, const char *filename, 76 FWCfgReadCallback callback, void *callback_opaque, 77 void *data, size_t len); 78 void *fw_cfg_modify_file(FWCfgState *s, const char *filename, void *data, 79 size_t len); 80 FWCfgState *fw_cfg_init_io(uint32_t iobase); 81 FWCfgState *fw_cfg_init_mem(hwaddr ctl_addr, hwaddr data_addr); 82 FWCfgState *fw_cfg_init_mem_wide(hwaddr ctl_addr, hwaddr data_addr, 83 uint32_t data_width); 84 85 FWCfgState *fw_cfg_find(void); 86 87 #endif /* NO_QEMU_PROTOS */ 88 89 #endif 90