a2480ffa88
The RISC-V HTIF (Host Target Interface) console device requires access to the symbol table to locate the 'tohost' and 'fromhost' symbols. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Michael Clark <mjc@sifive.com>
259 lines
10 KiB
C
259 lines
10 KiB
C
#ifndef LOADER_H
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#define LOADER_H
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#include "hw/nvram/fw_cfg.h"
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/* loader.c */
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/**
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* get_image_size: retrieve size of an image file
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* @filename: Path to the image file
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*
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* Returns the size of the image file on success, -1 otherwise.
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* On error, errno is also set as appropriate.
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*/
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int get_image_size(const char *filename);
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int load_image(const char *filename, uint8_t *addr); /* deprecated */
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ssize_t load_image_size(const char *filename, void *addr, size_t size);
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/**load_image_targphys_as:
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* @filename: Path to the image file
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* @addr: Address to load the image to
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* @max_sz: The maximum size of the image to load
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* @as: The AddressSpace to load the ELF to. The value of address_space_memory
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* is used if nothing is supplied here.
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*
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* Load a fixed image into memory.
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*
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* Returns the size of the loaded image on success, -1 otherwise.
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*/
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int load_image_targphys_as(const char *filename,
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hwaddr addr, uint64_t max_sz, AddressSpace *as);
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/** load_image_targphys:
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* Same as load_image_targphys_as(), but doesn't allow the caller to specify
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* an AddressSpace.
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*/
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int load_image_targphys(const char *filename, hwaddr,
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uint64_t max_sz);
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/**
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* load_image_mr: load an image into a memory region
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* @filename: Path to the image file
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* @mr: Memory Region to load into
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*
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* Load the specified file into the memory region.
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* The file loaded is registered as a ROM, so its contents will be
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* reinstated whenever the system is reset.
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* If the file is larger than the memory region's size the call will fail.
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* Returns -1 on failure, or the size of the file.
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*/
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int load_image_mr(const char *filename, MemoryRegion *mr);
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/* This is the limit on the maximum uncompressed image size that
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* load_image_gzipped_buffer() and load_image_gzipped() will read. It prevents
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* g_malloc() in those functions from allocating a huge amount of memory.
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*/
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#define LOAD_IMAGE_MAX_GUNZIP_BYTES (256 << 20)
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int load_image_gzipped_buffer(const char *filename, uint64_t max_sz,
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uint8_t **buffer);
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int load_image_gzipped(const char *filename, hwaddr addr, uint64_t max_sz);
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#define ELF_LOAD_FAILED -1
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#define ELF_LOAD_NOT_ELF -2
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#define ELF_LOAD_WRONG_ARCH -3
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#define ELF_LOAD_WRONG_ENDIAN -4
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const char *load_elf_strerror(int error);
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/** load_elf_ram_sym:
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* @filename: Path of ELF file
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* @translate_fn: optional function to translate load addresses
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* @translate_opaque: opaque data passed to @translate_fn
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* @pentry: Populated with program entry point. Ignored if NULL.
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* @lowaddr: Populated with lowest loaded address. Ignored if NULL.
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* @highaddr: Populated with highest loaded address. Ignored if NULL.
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* @bigendian: Expected ELF endianness. 0 for LE otherwise BE
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* @elf_machine: Expected ELF machine type
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* @clear_lsb: Set to mask off LSB of addresses (Some architectures use
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* this for non-address data)
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* @data_swab: Set to order of byte swapping for data. 0 for no swap, 1
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* for swapping bytes within halfwords, 2 for bytes within
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* words and 3 for within doublewords.
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* @as: The AddressSpace to load the ELF to. The value of address_space_memory
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* is used if nothing is supplied here.
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* @load_rom : Load ELF binary as ROM
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* @sym_cb: Callback function for symbol table entries
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*
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* Load an ELF file's contents to the emulated system's address space.
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* Clients may optionally specify a callback to perform address
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* translations. @pentry, @lowaddr and @highaddr are optional pointers
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* which will be populated with various load information. @bigendian and
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* @elf_machine give the expected endianness and machine for the ELF the
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* load will fail if the target ELF does not match. Some architectures
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* have some architecture-specific behaviours that come into effect when
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* their particular values for @elf_machine are set.
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* If @elf_machine is EM_NONE then the machine type will be read from the
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* ELF header and no checks will be carried out against the machine type.
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*/
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typedef void (*symbol_fn_t)(const char *st_name, int st_info,
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uint64_t st_value, uint64_t st_size);
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int load_elf_ram_sym(const char *filename,
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uint64_t (*translate_fn)(void *, uint64_t),
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void *translate_opaque, uint64_t *pentry,
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uint64_t *lowaddr, uint64_t *highaddr, int big_endian,
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int elf_machine, int clear_lsb, int data_swab,
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AddressSpace *as, bool load_rom, symbol_fn_t sym_cb);
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/** load_elf_ram:
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* Same as load_elf_ram_sym(), but doesn't allow the caller to specify a
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* symbol callback function
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*/
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int load_elf_ram(const char *filename,
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uint64_t (*translate_fn)(void *, uint64_t),
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void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr,
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uint64_t *highaddr, int big_endian, int elf_machine,
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int clear_lsb, int data_swab, AddressSpace *as,
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bool load_rom);
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/** load_elf_as:
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* Same as load_elf_ram(), but always loads the elf as ROM
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*/
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int load_elf_as(const char *filename,
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uint64_t (*translate_fn)(void *, uint64_t),
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void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr,
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uint64_t *highaddr, int big_endian, int elf_machine,
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int clear_lsb, int data_swab, AddressSpace *as);
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/** load_elf:
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* Same as load_elf_as(), but doesn't allow the caller to specify an
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* AddressSpace.
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*/
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int load_elf(const char *filename, uint64_t (*translate_fn)(void *, uint64_t),
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void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr,
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uint64_t *highaddr, int big_endian, int elf_machine,
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int clear_lsb, int data_swab);
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/** load_elf_hdr:
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* @filename: Path of ELF file
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* @hdr: Buffer to populate with header data. Header data will not be
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* filled if set to NULL.
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* @is64: Set to true if the ELF is 64bit. Ignored if set to NULL
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* @errp: Populated with an error in failure cases
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*
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* Inspect an ELF file's header. Read its full header contents into a
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* buffer and/or determine if the ELF is 64bit.
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*/
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void load_elf_hdr(const char *filename, void *hdr, bool *is64, Error **errp);
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int load_aout(const char *filename, hwaddr addr, int max_sz,
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int bswap_needed, hwaddr target_page_size);
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/** load_uimage_as:
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* @filename: Path of uimage file
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* @ep: Populated with program entry point. Ignored if NULL.
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* @loadaddr: Populated with the load address. Ignored if NULL.
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* @is_linux: Is set to true if the image loaded is Linux. Ignored if NULL.
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* @translate_fn: optional function to translate load addresses
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* @translate_opaque: opaque data passed to @translate_fn
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* @as: The AddressSpace to load the ELF to. The value of address_space_memory
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* is used if nothing is supplied here.
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*
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* Loads a u-boot image into memory.
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*
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* Returns the size of the loaded image on success, -1 otherwise.
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*/
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int load_uimage_as(const char *filename, hwaddr *ep,
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hwaddr *loadaddr, int *is_linux,
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uint64_t (*translate_fn)(void *, uint64_t),
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void *translate_opaque, AddressSpace *as);
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/** load_uimage:
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* Same as load_uimage_as(), but doesn't allow the caller to specify an
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* AddressSpace.
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*/
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int load_uimage(const char *filename, hwaddr *ep,
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hwaddr *loadaddr, int *is_linux,
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uint64_t (*translate_fn)(void *, uint64_t),
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void *translate_opaque);
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/**
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* load_ramdisk_as:
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* @filename: Path to the ramdisk image
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* @addr: Memory address to load the ramdisk to
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* @max_sz: Maximum allowed ramdisk size (for non-u-boot ramdisks)
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* @as: The AddressSpace to load the ELF to. The value of address_space_memory
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* is used if nothing is supplied here.
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*
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* Load a ramdisk image with U-Boot header to the specified memory
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* address.
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*
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* Returns the size of the loaded image on success, -1 otherwise.
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*/
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int load_ramdisk_as(const char *filename, hwaddr addr, uint64_t max_sz,
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AddressSpace *as);
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/**
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* load_ramdisk:
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* Same as load_ramdisk_as(), but doesn't allow the caller to specify
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* an AddressSpace.
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*/
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int load_ramdisk(const char *filename, hwaddr addr, uint64_t max_sz);
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ssize_t gunzip(void *dst, size_t dstlen, uint8_t *src, size_t srclen);
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ssize_t read_targphys(const char *name,
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int fd, hwaddr dst_addr, size_t nbytes);
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void pstrcpy_targphys(const char *name,
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hwaddr dest, int buf_size,
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const char *source);
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extern bool option_rom_has_mr;
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extern bool rom_file_has_mr;
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int rom_add_file(const char *file, const char *fw_dir,
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hwaddr addr, int32_t bootindex,
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bool option_rom, MemoryRegion *mr, AddressSpace *as);
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MemoryRegion *rom_add_blob(const char *name, const void *blob, size_t len,
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size_t max_len, hwaddr addr,
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const char *fw_file_name,
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FWCfgCallback fw_callback,
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void *callback_opaque, AddressSpace *as,
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bool read_only);
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int rom_add_elf_program(const char *name, void *data, size_t datasize,
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size_t romsize, hwaddr addr, AddressSpace *as);
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int rom_check_and_register_reset(void);
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void rom_set_fw(FWCfgState *f);
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void rom_set_order_override(int order);
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void rom_reset_order_override(void);
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int rom_copy(uint8_t *dest, hwaddr addr, size_t size);
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void *rom_ptr(hwaddr addr);
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void hmp_info_roms(Monitor *mon, const QDict *qdict);
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#define rom_add_file_fixed(_f, _a, _i) \
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rom_add_file(_f, NULL, _a, _i, false, NULL, NULL)
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#define rom_add_blob_fixed(_f, _b, _l, _a) \
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rom_add_blob(_f, _b, _l, _l, _a, NULL, NULL, NULL, NULL, true)
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#define rom_add_file_mr(_f, _mr, _i) \
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rom_add_file(_f, NULL, 0, _i, false, _mr, NULL)
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#define rom_add_file_as(_f, _as, _i) \
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rom_add_file(_f, NULL, 0, _i, false, NULL, _as)
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#define rom_add_file_fixed_as(_f, _a, _i, _as) \
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rom_add_file(_f, NULL, _a, _i, false, NULL, _as)
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#define rom_add_blob_fixed_as(_f, _b, _l, _a, _as) \
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rom_add_blob(_f, _b, _l, _l, _a, NULL, NULL, NULL, _as, true)
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#define PC_ROM_MIN_VGA 0xc0000
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#define PC_ROM_MIN_OPTION 0xc8000
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#define PC_ROM_MAX 0xe0000
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#define PC_ROM_ALIGN 0x800
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#define PC_ROM_SIZE (PC_ROM_MAX - PC_ROM_MIN_VGA)
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int rom_add_vga(const char *file);
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int rom_add_option(const char *file, int32_t bootindex);
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/* This is the usual maximum in uboot, so if a uImage overflows this, it would
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* overflow on real hardware too. */
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#define UBOOT_MAX_GUNZIP_BYTES (64 << 20)
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#endif
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