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[Bug 1001275] Cortex-M (armV7) architecture endian instructions / Applied on lwIP
- From: bugzilla-daemon at bugs dot ecos dot sourceware dot org
- To: ecos-patches at ecos dot sourceware dot org
- Date: Mon, 22 Aug 2011 14:35:55 +0100
- Subject: [Bug 1001275] Cortex-M (armV7) architecture endian instructions / Applied on lwIP
- Auto-submitted: auto-generated
- References: <bug-1001275-104@http.bugs.ecos.sourceware.org/>
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--- Comment #12 from Ilija Kocho <ilijak@siva.com.mk> 2011-08-22 14:35:54 BST ---
(In reply to comment #10)
> (In reply to comment #9)
> Ilija, to synchronize our heads :-) I did mean/understand what
Just to sync with my comment #11
>
> on the arch's side we plan to add two new header files:
>
> - cortexm_regs.h // CYGARC_REV16(), CYGARC_REV32(), etc.
- cortexm_endian.h // CYG_SWAP16(), CYG_SWAP32()
> and patch one
>
> - hal_cortexm.cdl // 1) define_proc ... CYGBLD_HAL_ENDIAN_H
We don't need following (see comment #11)
> // 2) CYGBLD_HAL_CORTEXM_FAST_SWAPXX_INST
> // NOTE: it is a draft name (to discuss)
>
> on the lwip's side to patch
>
Not this (comment #11)
> - lwip_net.cdl // CYGBLD_LWIP_HTOS_HTONL_INLINED
Only this:
> - lwipopts.h // check above and set if needed
> // LWIP_PLATFORM_BYTESWAP, etc.
>
> Sergei
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