xref: /openbmc/qemu/include/hw/loader.h (revision 88c1ee73)
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 int load_image_targphys(const char *filename, hwaddr,
17                         uint64_t max_sz);
18 int load_elf(const char *filename, uint64_t (*translate_fn)(void *, uint64_t),
19              void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr,
20              uint64_t *highaddr, int big_endian, int elf_machine,
21              int clear_lsb);
22 int load_aout(const char *filename, hwaddr addr, int max_sz,
23               int bswap_needed, hwaddr target_page_size);
24 int load_uimage(const char *filename, hwaddr *ep,
25                 hwaddr *loadaddr, int *is_linux);
26 
27 /**
28  * load_ramdisk:
29  * @filename: Path to the ramdisk image
30  * @addr: Memory address to load the ramdisk to
31  * @max_sz: Maximum allowed ramdisk size (for non-u-boot ramdisks)
32  *
33  * Load a ramdisk image with U-Boot header to the specified memory
34  * address.
35  *
36  * Returns the size of the loaded image on success, -1 otherwise.
37  */
38 int load_ramdisk(const char *filename, hwaddr addr, uint64_t max_sz);
39 
40 ssize_t read_targphys(const char *name,
41                       int fd, hwaddr dst_addr, size_t nbytes);
42 void pstrcpy_targphys(const char *name,
43                       hwaddr dest, int buf_size,
44                       const char *source);
45 
46 extern bool rom_file_in_ram;
47 
48 int rom_add_file(const char *file, const char *fw_dir,
49                  hwaddr addr, int32_t bootindex);
50 void *rom_add_blob(const char *name, const void *blob, size_t len,
51                    hwaddr addr, const char *fw_file_name,
52                    FWCfgReadCallback fw_callback, void *callback_opaque);
53 int rom_add_elf_program(const char *name, void *data, size_t datasize,
54                         size_t romsize, hwaddr addr);
55 int rom_load_all(void);
56 void rom_load_done(void);
57 void rom_set_fw(FWCfgState *f);
58 int rom_copy(uint8_t *dest, hwaddr addr, size_t size);
59 void *rom_ptr(hwaddr addr);
60 void do_info_roms(Monitor *mon, const QDict *qdict);
61 
62 #define rom_add_file_fixed(_f, _a, _i)          \
63     rom_add_file(_f, NULL, _a, _i)
64 #define rom_add_blob_fixed(_f, _b, _l, _a)      \
65     rom_add_blob(_f, _b, _l, _a, NULL, NULL, NULL)
66 
67 #define PC_ROM_MIN_VGA     0xc0000
68 #define PC_ROM_MIN_OPTION  0xc8000
69 #define PC_ROM_MAX         0xe0000
70 #define PC_ROM_ALIGN       0x800
71 #define PC_ROM_SIZE        (PC_ROM_MAX - PC_ROM_MIN_VGA)
72 
73 int rom_add_vga(const char *file);
74 int rom_add_option(const char *file, int32_t bootindex);
75 
76 #endif
77