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loader: Add AddressSpace loading support to ELFs

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Add a new function load_elf_as() that allows the caller to specify an
AddressSpace to use when loading the ELF. The original load_elf()
function doesn't have any change in functionality.

Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 8b5cefecdf56fba4ccdff2db880f0b6b264cf16f.1474331683.git.alistair.francis@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Alistair Francis 2016-09-22 18:13:08 +01:00 • committed by Peter Maydell
parent 3e76099aac
commit 70bb1d16f4
3 changed files with 29 additions and 5 deletions
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13
include/hw/loader.h
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@ -45,7 +45,7 @@ int load_image_gzipped(const char *filename, hwaddr addr, uint64_t max_sz);
#define ELF_LOAD_WRONG_ENDIAN -4
const char *load_elf_strerror(int error);
/** load_elf:
/** load_elf_as:
* @filename: Path of ELF file
* @translate_fn: optional function to translate load addresses
* @translate_opaque: opaque data passed to @translate_fn
@ -59,6 +59,8 @@ const char *load_elf_strerror(int error);
* @data_swab: Set to order of byte swapping for data. 0 for no swap, 1
* for swapping bytes within halfwords, 2 for bytes within
* words and 3 for within doublewords.
* @as: The AddressSpace to load the ELF to. The value of address_space_memory
* is used if nothing is supplied here.
*
* Load an ELF file's contents to the emulated system's address space.
* Clients may optionally specify a callback to perform address
@ -71,7 +73,16 @@ const char *load_elf_strerror(int error);
* If @elf_machine is EM_NONE then the machine type will be read from the
* ELF header and no checks will be carried out against the machine type.
*/
int load_elf_as(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 data_swab, AddressSpace *as);
/** load_elf:
* Same as load_elf_as(), but doesn't allow the caller to specify an
* AddressSpace.
*/
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,