On Thursday 02 October 2008, Mike Frysinger wrote: > The CFI flash driver starts at flash_init() which calls down into > flash_get_size(). This starts by calling flash_detect_cfi(). If said > function fails, flash_get_size() finishes by attempting to reset the > flash. Unfortunately, it does this with an info->portwidth set to 0x10 > which filters down into flash_make_cmd() and that happily smashes the > stack by sticking info->portwidth bytes into a cfiword_t variable that > lives on the stack. On a 64bit system you probably won't notice, but > killing the last 8 bytes on a 32bit system usually leads to a corrupt > return address. Which is what happens on a Blackfin system.
Applied to u-boot-cfi-flash repository. Thanks. Best regards, Stefan ===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-0 Fax: +49-8142-66989-80 Email: [EMAIL PROTECTED] ===================================================================== ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ U-Boot-Users mailing list U-Boot-Users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/u-boot-users
