include/hw/loader.h

   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 int load_image_targphys(const char *filename, hwaddr,
  18                         uint64_t max_sz);
  19
  20 /* This is the limit on the maximum uncompressed image size that
  21  * load_image_gzipped_buffer() and load_image_gzipped() will read. It prevents
  22  * g_malloc() in those functions from allocating a huge amount of memory.
  23  */
  24 #define LOAD_IMAGE_MAX_GUNZIP_BYTES (256 << 20)
  25
  26 int load_image_gzipped_buffer(const char *filename, uint64_t max_sz,
  27                               uint8_t **buffer);
  28 int load_image_gzipped(const char *filename, hwaddr addr, uint64_t max_sz);
  29
  30 #define ELF_LOAD_FAILED       -1
  31 #define ELF_LOAD_NOT_ELF      -2
  32 #define ELF_LOAD_WRONG_ARCH   -3
  33 #define ELF_LOAD_WRONG_ENDIAN -4
  34 const char *load_elf_strerror(int error);
  35 int load_elf(const char *filename, uint64_t (*translate_fn)(void *, uint64_t),
  36              void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr,
  37              uint64_t *highaddr, int big_endian, int elf_machine,
  38              int clear_lsb);
  39 int load_aout(const char *filename, hwaddr addr, int max_sz,
  40               int bswap_needed, hwaddr target_page_size);
  41 int load_uimage(const char *filename, hwaddr *ep,
  42                 hwaddr *loadaddr, int *is_linux,
  43                 uint64_t (*translate_fn)(void *, uint64_t),
  44                 void *translate_opaque);
  45
  46 /**
  47  * load_ramdisk:
  48  * @filename: Path to the ramdisk image
  49  * @addr: Memory address to load the ramdisk to
  50  * @max_sz: Maximum allowed ramdisk size (for non-u-boot ramdisks)
  51  *
  52  * Load a ramdisk image with U-Boot header to the specified memory
  53  * address.
  54  *
  55  * Returns the size of the loaded image on success, -1 otherwise.
  56  */
  57 int load_ramdisk(const char *filename, hwaddr addr, uint64_t max_sz);
  58
  59 ssize_t read_targphys(const char *name,
  60                       int fd, hwaddr dst_addr, size_t nbytes);
  61 void pstrcpy_targphys(const char *name,
  62                       hwaddr dest, int buf_size,
  63                       const char *source);
  64
  65 extern bool option_rom_has_mr;
  66 extern bool rom_file_has_mr;
  67
  68 int rom_add_file(const char *file, const char *fw_dir,
  69                  hwaddr addr, int32_t bootindex,
  70                  bool option_rom);
  71 MemoryRegion *rom_add_blob(const char *name, const void *blob, size_t len,
  72                            size_t max_len, hwaddr addr,
  73                            const char *fw_file_name,
  74                            FWCfgReadCallback fw_callback,
  75                            void *callback_opaque);
  76 int rom_add_elf_program(const char *name, void *data, size_t datasize,
  77                         size_t romsize, hwaddr addr);
  78 int rom_check_and_register_reset(void);
  79 void rom_set_fw(FWCfgState *f);
  80 int rom_copy(uint8_t *dest, hwaddr addr, size_t size);
  81 void *rom_ptr(hwaddr addr);
  82 void hmp_info_roms(Monitor *mon, const QDict *qdict);
  83
  84 #define rom_add_file_fixed(_f, _a, _i)          \
  85     rom_add_file(_f, NULL, _a, _i, false)
  86 #define rom_add_blob_fixed(_f, _b, _l, _a)      \
  87     rom_add_blob(_f, _b, _l, _l, _a, NULL, NULL, NULL)
  88
  89 #define PC_ROM_MIN_VGA     0xc0000
  90 #define PC_ROM_MIN_OPTION  0xc8000
  91 #define PC_ROM_MAX         0xe0000
  92 #define PC_ROM_ALIGN       0x800
  93 #define PC_ROM_SIZE        (PC_ROM_MAX - PC_ROM_MIN_VGA)
  94
  95 int rom_add_vga(const char *file);
  96 int rom_add_option(const char *file, int32_t bootindex);
  97
  98 #endif