1 #ifndef LOADER_H 2 #define LOADER_H 3 #include "qapi/qmp/qdict.h" 4 #include "hw/nvram/fw_cfg.h" 5 6 /* loader.c */ 7 /** 8 * get_image_size: retrieve size of an image file 9 * @filename: Path to the image file 10 * 11 * Returns the size of the image file on success, -1 otherwise. 12 * On error, errno is also set as appropriate. 13 */ 14 int get_image_size(const char *filename); 15 int load_image(const char *filename, uint8_t *addr); /* deprecated */ 16 ssize_t load_image_size(const char *filename, void *addr, size_t size); 17 18 /**load_image_targphys_as: 19 * @filename: Path to the image file 20 * @addr: Address to load the image to 21 * @max_sz: The maximum size of the image to load 22 * @as: The AddressSpace to load the ELF to. The value of address_space_memory 23 * is used if nothing is supplied here. 24 * 25 * Load a fixed image into memory. 26 * 27 * Returns the size of the loaded image on success, -1 otherwise. 28 */ 29 int load_image_targphys_as(const char *filename, 30 hwaddr addr, uint64_t max_sz, AddressSpace *as); 31 32 /** load_image_targphys: 33 * Same as load_image_targphys_as(), but doesn't allow the caller to specify 34 * an AddressSpace. 35 */ 36 int load_image_targphys(const char *filename, hwaddr, 37 uint64_t max_sz); 38 39 /** 40 * load_image_mr: load an image into a memory region 41 * @filename: Path to the image file 42 * @mr: Memory Region to load into 43 * 44 * Load the specified file into the memory region. 45 * The file loaded is registered as a ROM, so its contents will be 46 * reinstated whenever the system is reset. 47 * If the file is larger than the memory region's size the call will fail. 48 * Returns -1 on failure, or the size of the file. 49 */ 50 int load_image_mr(const char *filename, MemoryRegion *mr); 51 52 /* This is the limit on the maximum uncompressed image size that 53 * load_image_gzipped_buffer() and load_image_gzipped() will read. It prevents 54 * g_malloc() in those functions from allocating a huge amount of memory. 55 */ 56 #define LOAD_IMAGE_MAX_GUNZIP_BYTES (256 << 20) 57 58 int load_image_gzipped_buffer(const char *filename, uint64_t max_sz, 59 uint8_t **buffer); 60 int load_image_gzipped(const char *filename, hwaddr addr, uint64_t max_sz); 61 62 #define ELF_LOAD_FAILED -1 63 #define ELF_LOAD_NOT_ELF -2 64 #define ELF_LOAD_WRONG_ARCH -3 65 #define ELF_LOAD_WRONG_ENDIAN -4 66 const char *load_elf_strerror(int error); 67 68 /** load_elf_as: 69 * @filename: Path of ELF file 70 * @translate_fn: optional function to translate load addresses 71 * @translate_opaque: opaque data passed to @translate_fn 72 * @pentry: Populated with program entry point. Ignored if NULL. 73 * @lowaddr: Populated with lowest loaded address. Ignored if NULL. 74 * @highaddr: Populated with highest loaded address. Ignored if NULL. 75 * @bigendian: Expected ELF endianness. 0 for LE otherwise BE 76 * @elf_machine: Expected ELF machine type 77 * @clear_lsb: Set to mask off LSB of addresses (Some architectures use 78 * this for non-address data) 79 * @data_swab: Set to order of byte swapping for data. 0 for no swap, 1 80 * for swapping bytes within halfwords, 2 for bytes within 81 * words and 3 for within doublewords. 82 * @as: The AddressSpace to load the ELF to. The value of address_space_memory 83 * is used if nothing is supplied here. 84 * 85 * Load an ELF file's contents to the emulated system's address space. 86 * Clients may optionally specify a callback to perform address 87 * translations. @pentry, @lowaddr and @highaddr are optional pointers 88 * which will be populated with various load information. @bigendian and 89 * @elf_machine give the expected endianness and machine for the ELF the 90 * load will fail if the target ELF does not match. Some architectures 91 * have some architecture-specific behaviours that come into effect when 92 * their particular values for @elf_machine are set. 93 * If @elf_machine is EM_NONE then the machine type will be read from the 94 * ELF header and no checks will be carried out against the machine type. 95 */ 96 int load_elf_as(const char *filename, 97 uint64_t (*translate_fn)(void *, uint64_t), 98 void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr, 99 uint64_t *highaddr, int big_endian, int elf_machine, 100 int clear_lsb, int data_swab, AddressSpace *as); 101 102 /** load_elf: 103 * Same as load_elf_as(), but doesn't allow the caller to specify an 104 * AddressSpace. 105 */ 106 int load_elf(const char *filename, uint64_t (*translate_fn)(void *, uint64_t), 107 void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr, 108 uint64_t *highaddr, int big_endian, int elf_machine, 109 int clear_lsb, int data_swab); 110 111 /** load_elf_hdr: 112 * @filename: Path of ELF file 113 * @hdr: Buffer to populate with header data. Header data will not be 114 * filled if set to NULL. 115 * @is64: Set to true if the ELF is 64bit. Ignored if set to NULL 116 * @errp: Populated with an error in failure cases 117 * 118 * Inspect an ELF file's header. Read its full header contents into a 119 * buffer and/or determine if the ELF is 64bit. 120 */ 121 void load_elf_hdr(const char *filename, void *hdr, bool *is64, Error **errp); 122 123 int load_aout(const char *filename, hwaddr addr, int max_sz, 124 int bswap_needed, hwaddr target_page_size); 125 126 /** load_uimage_as: 127 * @filename: Path of uimage file 128 * @ep: Populated with program entry point. Ignored if NULL. 129 * @loadaddr: Populated with the load address. Ignored if NULL. 130 * @is_linux: Is set to true if the image loaded is Linux. Ignored if NULL. 131 * @translate_fn: optional function to translate load addresses 132 * @translate_opaque: opaque data passed to @translate_fn 133 * @as: The AddressSpace to load the ELF to. The value of address_space_memory 134 * is used if nothing is supplied here. 135 * 136 * Loads a u-boot image into memory. 137 * 138 * Returns the size of the loaded image on success, -1 otherwise. 139 */ 140 int load_uimage_as(const char *filename, hwaddr *ep, 141 hwaddr *loadaddr, int *is_linux, 142 uint64_t (*translate_fn)(void *, uint64_t), 143 void *translate_opaque, AddressSpace *as); 144 145 /** load_uimage: 146 * Same as load_uimage_as(), but doesn't allow the caller to specify an 147 * AddressSpace. 148 */ 149 int load_uimage(const char *filename, hwaddr *ep, 150 hwaddr *loadaddr, int *is_linux, 151 uint64_t (*translate_fn)(void *, uint64_t), 152 void *translate_opaque); 153 154 /** 155 * load_ramdisk: 156 * @filename: Path to the ramdisk image 157 * @addr: Memory address to load the ramdisk to 158 * @max_sz: Maximum allowed ramdisk size (for non-u-boot ramdisks) 159 * 160 * Load a ramdisk image with U-Boot header to the specified memory 161 * address. 162 * 163 * Returns the size of the loaded image on success, -1 otherwise. 164 */ 165 int load_ramdisk(const char *filename, hwaddr addr, uint64_t max_sz); 166 167 ssize_t read_targphys(const char *name, 168 int fd, hwaddr dst_addr, size_t nbytes); 169 void pstrcpy_targphys(const char *name, 170 hwaddr dest, int buf_size, 171 const char *source); 172 173 extern bool option_rom_has_mr; 174 extern bool rom_file_has_mr; 175 176 int rom_add_file(const char *file, const char *fw_dir, 177 hwaddr addr, int32_t bootindex, 178 bool option_rom, MemoryRegion *mr, AddressSpace *as); 179 MemoryRegion *rom_add_blob(const char *name, const void *blob, size_t len, 180 size_t max_len, hwaddr addr, 181 const char *fw_file_name, 182 FWCfgReadCallback fw_callback, 183 void *callback_opaque); 184 int rom_add_elf_program(const char *name, void *data, size_t datasize, 185 size_t romsize, hwaddr addr, AddressSpace *as); 186 int rom_check_and_register_reset(void); 187 void rom_set_fw(FWCfgState *f); 188 void rom_set_order_override(int order); 189 void rom_reset_order_override(void); 190 int rom_copy(uint8_t *dest, hwaddr addr, size_t size); 191 void *rom_ptr(hwaddr addr); 192 void hmp_info_roms(Monitor *mon, const QDict *qdict); 193 194 #define rom_add_file_fixed(_f, _a, _i) \ 195 rom_add_file(_f, NULL, _a, _i, false, NULL, NULL) 196 #define rom_add_blob_fixed(_f, _b, _l, _a) \ 197 rom_add_blob(_f, _b, _l, _l, _a, NULL, NULL, NULL) 198 #define rom_add_file_mr(_f, _mr, _i) \ 199 rom_add_file(_f, NULL, 0, _i, false, _mr, NULL) 200 #define rom_add_file_as(_f, _as, _i) \ 201 rom_add_file(_f, NULL, 0, _i, false, NULL, _as) 202 #define rom_add_file_fixed_as(_f, _a, _i, _as) \ 203 rom_add_file(_f, NULL, _a, _i, false, NULL, _as) 204 #define rom_add_blob_fixed_as(_f, _b, _l, _a, _as) \ 205 rom_add_blob(_f, _b, _l, _l, _a, NULL, NULL, _as) 206 207 #define PC_ROM_MIN_VGA 0xc0000 208 #define PC_ROM_MIN_OPTION 0xc8000 209 #define PC_ROM_MAX 0xe0000 210 #define PC_ROM_ALIGN 0x800 211 #define PC_ROM_SIZE (PC_ROM_MAX - PC_ROM_MIN_VGA) 212 213 int rom_add_vga(const char *file); 214 int rom_add_option(const char *file, int32_t bootindex); 215 216 #endif 217