uboot_file.c File Reference

#include "uboot_file.h"
#include <string.h>
#include "uboot_image_format_adapted.h"
#include "Utils/CRC/crc32.h"

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Macros
#define	END_SEARCH   0
#define	IMAGE_STEP   0x100

Functions
flash_addr_t	find_uboot_file (flash_addr_t search_start_address, flash_addr_t search_end_address)
	Search uboot image in MCU bus address space and check CRC.
int	image_check_dcrc (const image_header_t *hdr)
int	image_check_hcrc (const image_header_t *const hdr)
static unsigned char *	memmem_magic_number (unsigned char *src, size_t size)
static void *	round_down_pointer (void *ptr)
unsigned int	uboot_check_image_at_addr (const void *const addr, char only_header)
static flash_addr_t	uboot_check_image_not_aligned (flash_addr_t search_start_address, flash_addr_t search_end_address)
	search not aligned image
flash_addr_t	uboot_file_get_load_addr (flash_addr_t src_address)
	get load uboot image address at RAM
flash_addr_t	uboot_file_load (flash_addr_t src_address)
	load uboot image to RAM on MCU bus (memcpy)

Macro Definition Documentation

#define END_SEARCH   0

Definition at line 223 of file uboot_file.c.

Referenced by memmem_magic_number(), and uboot_check_image_not_aligned().

#define IMAGE_STEP   0x100

Definition at line 41 of file uboot_file.c.

Referenced by find_uboot_file().

Function Documentation

flash_addr_t find_uboot_file	(	flash_addr_t	search_start_address,
		flash_addr_t	search_end_address
	)

Search uboot image in MCU bus address space and check CRC.

Returns

(-1) if not found

Definition at line 48 of file uboot_file.c.

References flash_addr_t, HAS_FULL_IMAGE, IMAGE_STEP, uboot_check_image_at_addr(), and uboot_check_image_not_aligned().

Referenced by main().

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int image_check_dcrc

(

const image_header_t *

hdr

)

Definition at line 187 of file uboot_file.c.

References crc32(), image_get_data(), and image_get_data_size().

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int image_check_hcrc

(

const image_header_t *const

hdr

)

Definition at line 164 of file uboot_file.c.

References crc32_end, crc32_no_comp(), image_header::ih_hcrc, image_header::ih_magic, and image_get_header_size().

Referenced by uboot_check_image_at_addr().

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static unsigned char* memmem_magic_number ( unsigned char *  src, size_t  size  )

static

Definition at line 224 of file uboot_file.c.

References be32_to_cpu, END_SEARCH, and IH_MAGIC.

Referenced by uboot_check_image_not_aligned().

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static void* round_down_pointer ( void *  ptr )

inlinestatic

Definition at line 131 of file uboot_file.c.

Referenced by uboot_file_load().

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unsigned int uboot_check_image_at_addr	(	const void *const	addr,
		char	only_header
	)

Definition at line 77 of file uboot_file.c.

References endif(), IH_ARCH_DEFAULT, image_check_arch(), image_check_hcrc(), and image_check_magic().

Referenced by check_size_and_header(), find_uboot_file(), and uboot_check_image_not_aligned().

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static flash_addr_t uboot_check_image_not_aligned ( flash_addr_t  search_start_address, flash_addr_t  search_end_address  )

static

search not aligned image

Definition at line 239 of file uboot_file.c.

References END_SEARCH, flash_addr_t, HAS_FULL_IMAGE, memmem_magic_number(), and uboot_check_image_at_addr().

Referenced by find_uboot_file().

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flash_addr_t uboot_file_get_load_addr

(

flash_addr_t

src_address

)

get load uboot image address at RAM

Returns

destination address of load image in RAM

Definition at line 156 of file uboot_file.c.

Referenced by main().

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flash_addr_t uboot_file_load

(

flash_addr_t

src_address

)

load uboot image to RAM on MCU bus (memcpy)

Returns

address of run point or -1 if something goes wrong

Definition at line 136 of file uboot_file.c.

References flash_addr_t, IH_COMP_LZO, IH_COMP_NONE, image_get_data(), image_get_data_size(), and round_down_pointer().

Referenced by main().

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