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loader: Add AddressSpace loading support to uImages 

Add a new function load_uimage_as() that allows the caller to
specify an AddressSpace to use when loading the uImage. The
original load_uimage() 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: 1254092e6b80d3cd3cfabafe165d56a96c54c0b5.1474331683.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 70bb1d16f4
commit 5e774eb3bd
2 changed files with 39 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
hw/core/loader.c
View File

@ -581,7 +581,7 @@ static ssize_t gunzip(void *dst, size_t dstlen, uint8_t *src,
static int load_uboot_image(const char *filename, hwaddr *ep, hwaddr *loadaddr,
int *is_linux, uint8_t image_type,
uint64_t (*translate_fn)(void *, uint64_t),
void *translate_opaque)
void *translate_opaque, AddressSpace *as)
{
int fd;
int size;
@ -682,7 +682,7 @@ static int load_uboot_image(const char *filename, hwaddr *ep, hwaddr *loadaddr,
hdr->ih_size = bytes;
}
rom_add_blob_fixed(filename, data, hdr->ih_size, address);
rom_add_blob_fixed_as(filename, data, hdr->ih_size, address, as);
ret = hdr->ih_size;
@ -698,14 +698,23 @@ int load_uimage(const char *filename, hwaddr *ep, hwaddr *loadaddr,
void *translate_opaque)
{
return load_uboot_image(filename, ep, loadaddr, is_linux, IH_TYPE_KERNEL,
translate_fn, translate_opaque);
translate_fn, translate_opaque, NULL);
}
int load_uimage_as(const char *filename, hwaddr *ep, hwaddr *loadaddr,
int *is_linux,
uint64_t (*translate_fn)(void *, uint64_t),
void *translate_opaque, AddressSpace *as)
{
return load_uboot_image(filename, ep, loadaddr, is_linux, IH_TYPE_KERNEL,
translate_fn, translate_opaque, as);
}
/* Load a ramdisk. */
int load_ramdisk(const char *filename, hwaddr addr, uint64_t max_sz)
{
return load_uboot_image(filename, NULL, &addr, NULL, IH_TYPE_RAMDISK,
NULL, NULL);
NULL, NULL, NULL);
}
/* Load a gzip-compressed kernel to a dynamically allocated buffer. */

26
include/hw/loader.h
View File

@ -102,6 +102,30 @@ void load_elf_hdr(const char *filename, void *hdr, bool *is64, Error **errp);
int load_aout(const char *filename, hwaddr addr, int max_sz,
int bswap_needed, hwaddr target_page_size);
/** load_uimage_as:
* @filename: Path of uimage file
* @ep: Populated with program entry point. Ignored if NULL.
* @loadaddr: Populated with the load address. Ignored if NULL.
* @is_linux: Is set to true if the image loaded is Linux. Ignored if NULL.
* @translate_fn: optional function to translate load addresses
* @translate_opaque: opaque data passed to @translate_fn
* @as: The AddressSpace to load the ELF to. The value of address_space_memory
* is used if nothing is supplied here.
*
* Loads a u-boot image into memory.
*
* Returns the size of the loaded image on success, -1 otherwise.
*/
int load_uimage_as(const char *filename, hwaddr *ep,
hwaddr *loadaddr, int *is_linux,
uint64_t (*translate_fn)(void *, uint64_t),
void *translate_opaque, AddressSpace *as);
/** load_uimage:
* Same as load_uimage_as(), but doesn't allow the caller to specify an
* AddressSpace.
*/
int load_uimage(const char *filename, hwaddr *ep,
hwaddr *loadaddr, int *is_linux,
uint64_t (*translate_fn)(void *, uint64_t),
@ -155,6 +179,8 @@ void hmp_info_roms(Monitor *mon, const QDict *qdict);
rom_add_file(_f, NULL, 0, _i, false, _mr, NULL)
#define rom_add_file_as(_f, _as, _i) \
rom_add_file(_f, NULL, 0, _i, false, NULL, _as)
#define rom_add_blob_fixed_as(_f, _b, _l, _a, _as) \
rom_add_blob(_f, _b, _l, _l, _a, NULL, NULL, _as)
#define PC_ROM_MIN_VGA 0xc0000
#define PC_ROM_MIN_OPTION 0xc8000