Am 03.03.2013 21:27, schrieb Michael Ring: > I have created a new patch, this time it uses the values of the two > commandline parameters -Ch and -Cs to set the size of Stack and Heap. I > am not sure if those params were for this use case but in my opinion it > makes sense. > > Florian, could I ask you to apply the patch to trunk if what I am doing > is is ok?
It looks reasonable, but after some thinking I came to the conclusion that maybe the heap should be already allocated during linking, i.e. so heapmgr does not need to calculate an _heap_start. > > > Index: rtl/embedded/heapmgr.pp > =================================================================== > --- rtl/embedded/heapmgr.pp (revision 23681) > +++ rtl/embedded/heapmgr.pp (working copy) > @@ -34,7 +34,13 @@ > > var > Blocks: PHeapBlock = nil; > + _heap_start : pointer; > + _heapsize: longWord; external name '__heapsize'; > + _stklen: longword; external name '__stklen'; > + _bss_end: record end; external name '_bss_end'; > + _stack_top: record end; external name '_stack_top'; > > + > procedure InternalFreeMem(Addr: Pointer; Size: ptruint); forward; > > function FindSize(p: pointer): ptruint; > @@ -242,6 +248,11 @@ > > initialization > SetMemoryManager(MyMemoryManager); > + _heap_start := @_stack_top - _heapsize - _stklen; > + // Only initialize Heap when there is enough space available > + if _heap_start >= @_bss_end then > + RegisterHeapBlock(_heap_start,_heapsize); > + > finalization > //FinalizeHeap; > end. > > > > > > Am 03.03.13 20:09, schrieb Michael Ring: >> I am running on a mac, building svn 23683 >> >> svn 23681 (one before implementation of armv6m) compiles fine. >> >> commandline for building was: >> >> make clean buildbase CROSSINSTALL=1 OS_TARGET=embedded CPU_TARGET=arm >> SUBARCH=armv7m CROSSOPT="-gw2 -O-" BINUTILSPREFIX=arm-none-eabi- >> >> >> make -C rtl all >> make -C embedded all >> /bin/mkdir -p /Users/ring/devel/fpc/rtl/units/arm-embedded >> /Users/ring/devel/fpc/compiler/ppcrossarm -Cparmv7m @rtl.cfg -Ur >> -Tembedded -Parm -XParm-none-eabi- -Xr -Ur -Xs -O2 -n -Fi../inc >> -Fi../arm -FE. -FU/Users/ring/devel/fpc/rtl/units/arm-embedded -darm >> -dRELEASE -gw2 -O- -Us -Sg system.pp >> Fatal: Compilation aborted >> An unhandled exception occurred at $00000000: >> EAccessViolation: Access violation >> $00000000 >> $00142333 >> $00144647 >> $00144B00 >> $001AF725 >> $001970A5 >> $0003295E >> >> make[3]: *** [system.ppu] Error 217 >> make[2]: *** [embedded_all] Error 2 >> make[1]: *** [rtl_all] Error 2 >> make: *** [base.build-stamp.arm-embedded] Error 2 >> [ >> _______________________________________________ >> fpc-devel maillist - fpc-devel@lists.freepascal.org >> http://lists.freepascal.org/mailman/listinfo/fpc-devel >> > > _______________________________________________ > fpc-devel maillist - fpc-devel@lists.freepascal.org > http://lists.freepascal.org/mailman/listinfo/fpc-devel > _______________________________________________ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel
