[ECOS] redboot init entry

Nickolay nickolay@protei.ru
Wed Mar 30 18:35:00 GMT 2005


Gary Thomas wrote:

>On Wed, 2005-03-30 at 19:55 +0400, Nickolay wrote:
>  
>
>>Hallo Guys!
>>
>>I discovered, that my IXDP425 is hanged in this section code:
>>
>>#if defined(CYGPRI_REDBOOT_ZLIB_FLASH) && 
>>defined(CYGOPT_REDBOOT_FIS_ZLIB_COMMON_BUFFER)
>>    fis_zlib_common_buffer =
>>    workspace_end -= CYGNUM_REDBOOT_FIS_ZLIB_COMMON_BUFFER_SIZE;
>>#endif
>>
>>#ifdef CYGFUN_REDBOOT_BOOT_SCRIPT
>>    script_timeout = CYGNUM_REDBOOT_BOOT_SCRIPT_DEFAULT_TIMEOUT;
>>#endif
>>
>>for (init_entry = __RedBoot_INIT_TAB__; init_entry != 
>>&__RedBoot_INIT_TAB_END__;  init_entry++) {
>>    (*init_entry->fun)();
>>}
>>
>>
>>What does it mean?
>>What is the init_entry ?
>>    
>>
>
>It's a pointer (from a table) to initialization functions for the
>various pieces of RedBoot.  Try changing the lines to be:
>
>  for (init_entry = __RedBoot_INIT_TAB__; init_entry != &__RedBoot_INIT_TAB_END__;  init_entry++) {
>      diag_printf("Calling init: %p\n", init_entry->fun);
>      (*init_entry->fun)();
>      diag_printf("... back from: %p\n", init_entry->fun);
>  }
>
>This should then print out a number of lines with addresses.
>Then use 'nm' or 'gdb' to figure out which function was called
>last and you can carry on from there.
>
>  
>
Thanks!

Fix and now write to the flash via JTAG.
But when i find address of bad function, what gdb i can run on the x86 ?
Has anywhere precompiled cross GDB for debugging arm-xscale binaries on 
the x86 ?



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