[Bug 1001275] New: Cortex-M (armV7) architecture endian instructions/ lwIP

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           Summary: Cortex-M (armV7) architecture endian instructions /
                    lwIP
           Product: eCos
           Version: CVS
          Platform: All
        OS/Version: Cortex-M
            Status: UNCONFIRMED
          Severity: enhancement
          Priority: low
         Component: Patches and contributions
        AssignedTo: unassigned@bugs.ecos.sourceware.org
        ReportedBy: ilijak@siva.com.mk
                CC: ecos-patches@ecos.sourceware.org
             Class: Advice Request


Created an attachment (id=1299)
 --> (http://bugs.ecos.sourceware.org/attachment.cgi?id=1299)
Cortex-M endian instructions

This patch contains C function wrappers for Cortex-M byte swapping
instructions. A new file hal_arch_instr.inl is proposed as a place to
accommodate specific architecture instructions such as presented rev rev16 and
revsh. Other instructions may be added in future.

Note: Incentive for this patch was speeding-up of endian operations such as
htonl() and htons(). A patch for lwIP htonl()/htons() is submitted in comment
#1.

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