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load_elf: replace the address addend by a translation function

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A few machines need to translate the ELF header addresses into physical
addresses. Currently the only possibility is to add a value to the
addresses.

This patch replaces the addend argument by and a translation function
and an opaque passed to the function. A NULL function does not translate
the address.

The patch also convert all machines that have an addend, simplify the
PowerPC kernel loading and fix the MIPS kernel loading using this new
feature. Other machines may benefit from this feature.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Aurelien Jarno 2010-03-14 21:20:59 +01:00
parent cb66ffcf9e
commit 409dbce54b
24 changed files with 159 additions and 101 deletions
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7
hw/loader.h
View file

@ -5,9 +5,10 @@
int get_image_size(const char *filename);
int load_image(const char *filename, uint8_t *addr); /* deprecated */
int load_image_targphys(const char *filename, target_phys_addr_t, int max_sz);
int load_elf(const char *filename, int64_t address_offset,
uint64_t *pentry, uint64_t *lowaddr, uint64_t *highaddr,
int big_endian, int elf_machine, int clear_lsb);
int load_elf(const char *filename, uint64_t (*translate_fn)(void *, uint64_t),
void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr,
uint64_t *highaddr, int big_endian, int elf_machine,
int clear_lsb);
int load_aout(const char *filename, target_phys_addr_t addr, int max_sz,
int bswap_needed, target_phys_addr_t target_page_size);
int load_uimage(const char *filename, target_phys_addr_t *ep,