public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
From: "gjl at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug target/52461] New: [avr] XMEGA+EBI: RAMPZ clobbered while reading from flash Date: Fri, 02 Mar 2012 12:19:00 -0000 [thread overview] Message-ID: <bug-52461-4@http.gcc.gnu.org/bugzilla/> (raw) http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52461 Bug #: 52461 Summary: [avr] XMEGA+EBI: RAMPZ clobbered while reading from flash Classification: Unclassified Product: gcc Version: 4.7.0 Status: UNCONFIRMED Keywords: wrong-code Severity: normal Priority: P3 Component: target AssignedTo: unassigned@gcc.gnu.org ReportedBy: gjl@gcc.gnu.org Target: avr To read from flash on devices with more than 64KiB of flash, RAMPZ is set appropriately before using ELPM instruction. Devices with external bus interface (EBI) use RAMPZ as high part of the RAM address while reading from RAM. Thus, and RAM read on EBI device that is performed via Z will fail after data has been read from Flash.
next reply other threads:[~2012-03-02 12:19 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-03-02 12:19 gjl at gcc dot gnu.org [this message] 2012-03-02 12:23 ` [Bug target/52461] " gjl at gcc dot gnu.org 2012-03-02 12:31 ` gjl at gcc dot gnu.org 2012-03-03 14:13 ` gjl at gcc dot gnu.org 2012-03-06 7:55 ` saturn at quantentunnel dot de 2012-03-06 12:43 ` gjl at gcc dot gnu.org 2012-03-06 12:46 ` gjl at gcc dot gnu.org 2012-03-07 10:14 ` saturn at quantentunnel dot de 2012-03-07 10:34 ` gjl at gcc dot gnu.org 2012-03-07 11:08 ` fbi.sr at gmx dot de 2012-03-07 12:35 ` gjl at gcc dot gnu.org 2012-03-21 13:24 ` gjl at gcc dot gnu.org 2012-03-22 15:14 ` gjl at gcc dot gnu.org 2012-03-22 15:55 ` gjl at gcc dot gnu.org
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=bug-52461-4@http.gcc.gnu.org/bugzilla/ \ --to=gcc-bugzilla@gcc.gnu.org \ --cc=gcc-bugs@gcc.gnu.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).