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--- Comment #18 from Ilija Kocho <[email protected]> 2011-01-30 11:49:45 GMT --- (In reply to comment #17) > Created an attachment (id=1107) --> (http://bugs.ecos.sourceware.org/attachment.cgi?id=1107) [details] > lwip_tcpip: Enter MEM_SECTION entity > > Ilija, here is a patch which makes obsolete Attachment 1094 [details]. Build > was tested > for one ARM target, to simplify testing I used ".2ram.lwip" section attribute: > cdl_configuration eCos { > template lwip_eth ; > }; > cdl_option CYGOPT_LWIP_MEM_SECTION { > user_value 1 > }; > cdl_option CYGDAT_LWIP_MEM_SECTION_NAME { > user_value "\".2ram.lwip\"" > }; > > If this patch is suitable for you, let me know, please, and I will commit it. Sergei thanks for your consideration, we're getting closer. I have little experience with ECM and i find it as a very powerful mechanism but i AFAIK unfortunately there is not a way for automatic import (someting like import or include statement in CDL). IMO this may be inconvenient for configtool users as it requires extra clicking. Therefore i would prefer something that will not depend on ECM. One way is: cdl_option CYGOPT_LWIP_MEM_SECTION { ... default_value 1 ... } If CYGDAT_LWIP_MEM_SECTION_NAME is active than recommended action will be to use it. If not active, then CYGSEM_LWIP_MEM_SECTION is grey and it's value is irrelevant. As a consequence lwipopts.h shall change accordingly: #if defined(CYGOPT_LWIP_MEM_SECTION) && CYGOPT_LWIP_MEM_SECTION #include <cyg/infra/cyg_type.h> # define MEM_SECTION CYGBLD_ATTRIB_SECTION(CYGDAT_LWIP_MEM_SECTION_NAME) #else # define MEM_SECTION #endif Earlier this morning I did some tests with former combination and i was about to post when I got Mid-air collision. Below is my test case for reference and review. Please comment. --- lwip_net.cdl --- cdl_option CYGSEM_LWIP_MEM_SECTION { display "Place lwIP buffers and heap in special memory section." flavor bool default_value 1 active_if CYGDAT_LWIP_MEM_SECTION_NAME description "..." } --- lwipopts.h --- #if defined(CYGSEM_LWIP_MEM_SECTION) && CYGSEM_LWIP_MEM_SECTION #include <cyg/infra/cyg_type.h> #define MEM_SECTION CYGBLD_ATTRIB_SECTION(CYGDAT_LWIP_MEM_SECTION_NAME) #else #define MEM_SECTION #endif --- hal...cdl --- cdl_option CYGDAT_LWIP_MEM_SECTION_NAME { flavor data active_if CYGPKG_NET_LWIP parent CYGOPT_LWIP_MEM_PLF_SPEC default_value { "\".foo\"" } legal_values { "\".foo\"" "\".bar\"" } display "Memory section for lwIP buffers." description " ... " } --------- -- Configure bugmail: http://bugs.ecos.sourceware.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
