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From: bugzilla-daemon@bugs.ecos.sourceware.org To: ecos-bugs@ecos.sourceware.org Subject: [Bug 1002061] New: Freescale eDMA library macro FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() fails with negative offset. Date: Wed, 29 Apr 2015 13:27:00 -0000 [thread overview] Message-ID: <bug-1002061-13@http.bugs.ecos.sourceware.org/> (raw) Please do not reply to this email, use the link below. http://bugs.ecos.sourceware.org/show_bug.cgi?id=1002061 Bug ID: 1002061 Summary: Freescale eDMA library macro FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() fails with negative offset. Product: eCos Version: CVS Target: freescale_twr_k70f120m (Freescale Kinetis TWR-K70F120M board) Architecture/Host All OS: Status: NEW Severity: enhancement Priority: low Component: HAL Assignee: unassigned@bugs.ecos.sourceware.org Reporter: ilijak@siva.com.mk CC: ecos-bugs@ecos.sourceware.org Created attachment 2589 --> http://bugs.ecos.sourceware.org/attachment.cgi?id=2589&action=edit Patch for freescale_edma.h - mask-off unwanted birs. Freescale eDMA library macro FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF()fails when offset is negative. The reason: The ofset field is 20 bit long, so signe extended negative number has extra leading 1s that polute register bits out of offset boundaries. The attached patch masks off bits out of offset field boundaries. Ilija -- You are receiving this mail because: You are on the CC list for the bug.
next reply other threads:[~2015-04-29 13:27 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-04-29 13:27 bugzilla-daemon [this message] 2015-04-29 13:28 ` [Bug 1002061] " bugzilla-daemon 2015-04-29 13:27 [Bug 1002061] New: " bugzilla-daemon
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