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image: fix bootm failure for FIT image

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Commit b3dd64f5d5 "bootm: use genimg_get_kernel_addr()" introduced
a bug for booting FIT image. It's because calling fit_parse_config()
twice will give us wrong value in img_addr.

Add a new function genimg_get_kernel_addr_fit() whichl will always
return fit_uname_config and fit_uname_kernel for CONFIG_FIT.
genimg_get_kernel_addr() will ignore those to parameters.

Reported-by: York Sun <yorksun@freescale.com>
Signed-off-by: Bryan Wu <pengw@nvidia.com>
This commit is contained in:
Bryan Wu
2014-08-15 16:51:38 -07:00
committed by Tom Rini
parent f28c9708e3
commit 6c454fedf5
3 changed files with 33 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
common/bootm.c
View File

@@ -725,13 +725,14 @@ static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
#endif
ulong img_addr;
const void *buf;
#if defined(CONFIG_FIT)
const char *fit_uname_config = NULL;
const char *fit_uname_kernel = NULL;
#if defined(CONFIG_FIT)
int os_noffset;
#endif
img_addr = genimg_get_kernel_addr(argv[0]);
img_addr = genimg_get_kernel_addr_fit(argv[0], &fit_uname_config,
&fit_uname_kernel);
bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);
@@ -788,10 +789,6 @@ static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
#endif
#if defined(CONFIG_FIT)
case IMAGE_FORMAT_FIT:
if (!fit_parse_conf(argv[0], load_addr, &img_addr,
&fit_uname_config))
fit_parse_subimage(argv[0], load_addr, &img_addr,
&fit_uname_kernel);
os_noffset = fit_image_load(images, img_addr,
&fit_uname_kernel, &fit_uname_config,
IH_ARCH_DEFAULT, IH_TYPE_KERNEL,

39
common/image.c
View File

@@ -643,22 +643,24 @@ int genimg_get_comp_id(const char *name)
#ifndef USE_HOSTCC
/**
* genimg_get_kernel_addr - get the real kernel address
* genimg_get_kernel_addr_fit - get the real kernel address and return 2
* FIT strings
* @img_addr: a string might contain real image address
* @fit_uname_config: double pointer to a char, will hold pointer to a
* configuration unit name
* @fit_uname_kernel: double pointer to a char, will hold pointer to a subimage
* name
*
* genimg_get_kernel_addr() get the real kernel start address from a string
* genimg_get_kernel_addr_fit get the real kernel start address from a string
* which is normally the first argv of bootm/bootz
*
* returns:
* kernel start address
*/
ulong genimg_get_kernel_addr(char * const img_addr)
ulong genimg_get_kernel_addr_fit(char * const img_addr,
const char **fit_uname_config,
const char **fit_uname_kernel)
{
#if defined(CONFIG_FIT)
const char *fit_uname_config = NULL;
const char *fit_uname_kernel = NULL;
#endif
ulong kernel_addr;
/* find out kernel image address */
@@ -668,13 +670,13 @@ ulong genimg_get_kernel_addr(char * const img_addr)
load_addr);
#if defined(CONFIG_FIT)
} else if (fit_parse_conf(img_addr, load_addr, &kernel_addr,
&fit_uname_config)) {
fit_uname_config)) {
debug("* kernel: config '%s' from image at 0x%08lx\n",
fit_uname_config, kernel_addr);
*fit_uname_config, kernel_addr);
} else if (fit_parse_subimage(img_addr, load_addr, &kernel_addr,
&fit_uname_kernel)) {
fit_uname_kernel)) {
debug("* kernel: subimage '%s' from image at 0x%08lx\n",
fit_uname_kernel, kernel_addr);
*fit_uname_kernel, kernel_addr);
#endif
} else {
kernel_addr = simple_strtoul(img_addr, NULL, 16);
@@ -685,6 +687,19 @@ ulong genimg_get_kernel_addr(char * const img_addr)
return kernel_addr;
}
/**
* genimg_get_kernel_addr() is the simple version of
* genimg_get_kernel_addr_fit(). It ignores those return FIT strings
*/
ulong genimg_get_kernel_addr(char * const img_addr)
{
const char *fit_uname_config = NULL;
const char *fit_uname_kernel = NULL;
return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config,
&fit_uname_kernel);
}
/**
* genimg_get_format - get image format type
* @img_addr: image start address

3
include/image.h
View File

@@ -424,6 +424,9 @@ enum fit_load_op {
#define IMAGE_FORMAT_FIT 0x02 /* new, libfdt based format */
#define IMAGE_FORMAT_ANDROID 0x03 /* Android boot image */
ulong genimg_get_kernel_addr_fit(char * const img_addr,
const char **fit_uname_config,
const char **fit_uname_kernel);
ulong genimg_get_kernel_addr(char * const img_addr);
int genimg_get_format(const void *img_addr);
int genimg_has_config(bootm_headers_t *images);