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imagetool: move common code to imagetool module
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The get_type() and verify_print_header() functions have the
same code on both dumpimage.c and mkimage.c modules.

Signed-off-by: Guilherme Maciel Ferreira <[email protected]>
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guilhermeferreira authored and trini committed Jan 29, 2015
1 parent 44f145f commit 0ca6691
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Showing 4 changed files with 90 additions and 130 deletions.
66 changes: 3 additions & 63 deletions tools/dumpimage.c
Original file line number Diff line number Diff line change
Expand Up @@ -55,67 +55,6 @@ static void dumpimage_register(struct image_type_params *tparams)
debug("Registered %s\n", tparams->name);
}

/**
* dumpimage_get_type() - find the image type params for a given image type
*
* Scan all registered image types and check the input type_id for each
* supported image type
*
* @return respective image_type_params pointer. If the input type is not
* supported by any of registered image types, returns NULL
*/
static struct image_type_params *dumpimage_get_type(int type)
{
struct image_type_params *curr;

for (curr = dumpimage_tparams; curr != NULL; curr = curr->next) {
if (curr->check_image_type) {
if (!curr->check_image_type(type))
return curr;
}
}
return NULL;
}

/*
* dumpimage_verify_print_header() - verifies the image header
*
* Scan registered image types and verify the image_header for each
* supported image type. If verification is successful, this prints
* the respective header.
*
* @return 0 on success, negative if input image format does not match with
* any of supported image types
*/
static int dumpimage_verify_print_header(void *ptr, struct stat *sbuf)
{
int retval = -1;
struct image_type_params *curr;

for (curr = dumpimage_tparams; curr != NULL; curr = curr->next) {
if (curr->verify_header) {
retval = curr->verify_header((unsigned char *)ptr,
sbuf->st_size, &params);
if (retval != 0)
continue;
/*
* Print the image information if verify is
* successful
*/
if (curr->print_header) {
curr->print_header(ptr);
} else {
fprintf(stderr,
"%s: print_header undefined for %s\n",
params.cmdname, curr->name);
}
break;
}
}

return retval;
}

/*
* dumpimage_extract_datafile -
*
Expand Down Expand Up @@ -203,7 +142,7 @@ int main(int argc, char **argv)
usage();

/* set tparams as per input type_id */
tparams = dumpimage_get_type(params.type);
tparams = imagetool_get_type(params.type, dumpimage_tparams);
if (tparams == NULL) {
fprintf(stderr, "%s: unsupported type %s\n",
params.cmdname, genimg_get_type_name(params.type));
Expand Down Expand Up @@ -273,7 +212,8 @@ int main(int argc, char **argv)
* Print the image information for matched image type
* Returns the error code if not matched
*/
retval = dumpimage_verify_print_header(ptr, &sbuf);
retval = imagetool_verify_print_header(ptr, &sbuf,
tparams, &params);
}

(void)munmap((void *)ptr, sbuf.st_size);
Expand Down
51 changes: 51 additions & 0 deletions tools/imagetool.c
Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,8 @@

#include "imagetool.h"

#include <image.h>

/*
* Callback function to register a image type within a tool
*/
Expand Down Expand Up @@ -62,3 +64,52 @@ void register_image_type(struct image_type_params *tparams)
{
register_func(tparams);
}

struct image_type_params *imagetool_get_type(
int type,
struct image_type_params *tparams)
{
struct image_type_params *curr;

for (curr = tparams; curr != NULL; curr = curr->next) {
if (curr->check_image_type) {
if (!curr->check_image_type(type))
return curr;
}
}
return NULL;
}

int imagetool_verify_print_header(
void *ptr,
struct stat *sbuf,
struct image_type_params *tparams,
struct image_tool_params *params)
{
int retval = -1;
struct image_type_params *curr;

for (curr = tparams; curr != NULL; curr = curr->next) {
if (curr->verify_header) {
retval = curr->verify_header((unsigned char *)ptr,
sbuf->st_size, params);

if (retval == 0) {
/*
* Print the image information if verify is
* successful
*/
if (curr->print_header) {
curr->print_header(ptr);
} else {
fprintf(stderr,
"%s: print_header undefined for %s\n",
params->cmdname, curr->name);
}
break;
}
}
}

return retval;
}
31 changes: 31 additions & 0 deletions tools/imagetool.h
Original file line number Diff line number Diff line change
Expand Up @@ -150,6 +150,37 @@ void register_image_tool(imagetool_register_t image_register);
*/
void register_image_type(struct image_type_params *tparams);

/**
* imagetool_get_type() - find the image type params for a given image type
*
* It scans all registers image type supports
* checks the input type for each supported image type
*
* if successful,
* returns respective image_type_params pointer if success
* if input type_id is not supported by any of image_type_support
* returns NULL
*/
struct image_type_params *imagetool_get_type(
int type,
struct image_type_params *tparams);

/*
* imagetool_verify_print_header() - verifies the image header
*
* Scan registered image types and verify the image_header for each
* supported image type. If verification is successful, this prints
* the respective header.
*
* @return 0 on success, negative if input image format does not match with
* any of supported image types
*/
int imagetool_verify_print_header(
void *ptr,
struct stat *sbuf,
struct image_type_params *tparams,
struct image_tool_params *params);

/*
* There is a c file associated with supported image type low level code
* for ex. default_image.c, fit_image.c
Expand Down
72 changes: 5 additions & 67 deletions tools/mkimage.c
Original file line number Diff line number Diff line change
Expand Up @@ -65,70 +65,6 @@ void mkimage_register (struct image_type_params *tparams)
debug ("Registered %s\n", tparams->name);
}

/*
* mkimage_get_type -
*
* It scans all registers image type supports
* checks the input type_id for each supported image type
*
* if successful,
* returns respective image_type_params pointer if success
* if input type_id is not supported by any of image_type_support
* returns NULL
*/
struct image_type_params *mkimage_get_type(int type)
{
struct image_type_params *curr;

for (curr = mkimage_tparams; curr != NULL; curr = curr->next) {
if (curr->check_image_type) {
if (!curr->check_image_type (type))
return curr;
}
}
return NULL;
}

/*
* mkimage_verify_print_header -
*
* It scans mkimage_tparams link list,
* verifies image_header for each supported image type
* if verification is successful, prints respective header
*
* returns negative if input image format does not match with any of
* supported image types
*/
int mkimage_verify_print_header (void *ptr, struct stat *sbuf)
{
int retval = -1;
struct image_type_params *curr;

for (curr = mkimage_tparams; curr != NULL; curr = curr->next ) {
if (curr->verify_header) {
retval = curr->verify_header (
(unsigned char *)ptr, sbuf->st_size,
&params);

if (retval == 0) {
/*
* Print the image information
* if verify is successful
*/
if (curr->print_header)
curr->print_header (ptr);
else {
fprintf (stderr,
"%s: print_header undefined for %s\n",
params.cmdname, curr->name);
}
break;
}
}
}
return retval;
}

int
main (int argc, char **argv)
{
Expand Down Expand Up @@ -279,7 +215,7 @@ NXTARG: ;
usage ();

/* set tparams as per input type_id */
tparams = mkimage_get_type(params.type);
tparams = imagetool_get_type(params.type, mkimage_tparams);
if (tparams == NULL) {
fprintf (stderr, "%s: unsupported type %s\n",
params.cmdname, genimg_get_type_name(params.type));
Expand Down Expand Up @@ -363,7 +299,8 @@ NXTARG: ;
* Print the image information for matched image type
* Returns the error code if not matched
*/
retval = mkimage_verify_print_header (ptr, &sbuf);
retval = imagetool_verify_print_header(ptr, &sbuf,
tparams, &params);

(void) munmap((void *)ptr, sbuf.st_size);
(void) close (ifd);
Expand Down Expand Up @@ -529,7 +466,8 @@ copy_file (int ifd, const char *datafile, int pad)
uint8_t zeros[4096];
int offset = 0;
int size;
struct image_type_params *tparams = mkimage_get_type (params.type);
struct image_type_params *tparams = imagetool_get_type(params.type,
mkimage_tparams);

if (pad >= sizeof(zeros)) {
fprintf(stderr, "%s: Can't pad to %d\n",
Expand Down

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