[U-Boot-Users] [new uImage] Code available on new-image branch of u-boot-testing repo

[Kumar Gala]

On Feb 7, 2008, at 10:29 AM, Kumar Gala wrote:

>
> On Feb 7, 2008, at 10:15 AM, Bartlomiej Sieka wrote:
>
>> Kumar Gala wrote:
>>> Here is a rough patch to common/cmd_bootm.c that passed load_end
>>> down to
>>> the do_bootm_* commands.  I haven't updated the lib_*/bootm.c at  
>>> this
>>> point.
>>> I think this is useful to help the bootm commands know exactly what
>>> memory
>>> is used and what is freed.  There are situations that I'd like to  
>>> get
>>> working with the new code like being able to boot a kernel at 256M
>>> and
>>> have the ramdisk and device tree exist about this 256M base.
>>> - k
>>> diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c
>>> index 2ddb191..b36d09e 100644
>>> --- a/common/cmd_bootm.c
>>> +++ b/common/cmd_bootm.c
>>> @@ -90,7 +90,7 @@ extern int do_reset (cmd_tbl_t *cmdtp, int flag,
>>> int argc, char *argv[]);
>>> typedef void boot_os_fn (cmd_tbl_t *cmdtp, int flag,
>>> 			int argc, char *argv[],
>>> 			image_header_t *hdr,	/* of image to boot */
>>> -			int verify);		/* getenv("verify")[0] != 'n' */
>>> +			int verify, ulong load_end);	/* getenv("verify")[0] != 'n' */
>>> extern boot_os_fn do_bootm_linux;
>>> static boot_os_fn do_bootm_netbsd;
>>> @@ -234,36 +234,36 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int
>>> argc, char *argv[])
>>> #ifdef CONFIG_SILENT_CONSOLE
>>> 	    fixup_silent_linux();
>>> #endif
>>> -	    do_bootm_linux (cmdtp, flag, argc, argv, hdr, verify);
>>> +	    do_bootm_linux (cmdtp, flag, argc, argv, hdr, verify,
>>> load_end);
>>> 	    break;
>>
>> Hi Kumar,
>>
>> In our development code for the new format we need even more data to
>> be
>> passed down to do_bootm_* flavors. We are doing this by passing a
>> pointer to a structure:
>>
>> -           do_bootm_linux (cmdtp, flag, argc, argv, hdr, verify);
>> +           do_bootm_linux (cmdtp, flag, argc, argv, &images,  
>> verify);
>>
>>
>> Where images is of type bootm_headers_t, defined like this:
>>
>> /*
>> * Legacy and FIT format headers used by do_bootm() and  
>> do_bootm_<os>()
>> * routines.
>> */
>> typedef struct bootm_headers {
>>      /*
>>       * Legacy os image header, if it is a multi component image
>>       * then get_ramdisk() and get_fdt() will attempt to get
>>       * data from second and third component accordingly.
>>       */
>>      image_header_t  *legacy_hdr_os;
>>      ulong           legacy_hdr_valid;
>>
>> #if defined(CONFIG_FIT)
>>      void            *fit_hdr_os;    /* os FIT image header */
>>      char            *fit_uname_os;  /* os subimage node unit name */
>>
>>      void            *fit_hdr_rd;    /* init ramdisk FIT img header
>> */
>>      char            *fit_uname_rd;  /* init ramdisk node unit name
>> */
>>
>> #if defined(CONFIG_PPC)
>>      void            *fit_hdr_fdt;   /* FDT blob FIT image header */
>>      char            *fit_uname_fdt; /* FDT blob node unit name */
>> #endif
>> #endif
>> } bootm_headers_t;
>>
>>
>> Perhaps it would be a good idea to add your load_end to  
>> bootm_headers?
>> In any case, let's get back to this once the above mentioned code is
>> posted to the ML.
>
> sounds good, any eta on when this patch will show up?

Any update on the patch?

One of the ideas I have is I'd like to see if we can make it possible  
to do the equiv of bootm via a series of commands from the u-boot  
command line.

For example, I don't believe we have a way today to just decompress a  
uImage file.

- k