This patch allows the application to add memjoin heursitic.
--
Øyvind Harboe
http://www.zylin.com - eCos ARM & FPGA developer kit
### Eclipse Workspace Patch 1.0
#P ecos
Index: services/memalloc/common/current/src/malloc.cxx
===================================================================
RCS file:
/cvs/ecos/ecos/packages/services/memalloc/common/current/src/malloc.cxx,v
retrieving revision 1.7
diff -u -r1.7 malloc.cxx
--- services/memalloc/common/current/src/malloc.cxx 24 Oct 2007 16:19:54
-0000 1.7
+++ services/memalloc/common/current/src/malloc.cxx 5 Nov 2007 09:30:19
-0000
@@ -99,8 +99,11 @@
#else
// multiple heaps
-
+#ifdef CYGBLD_MEMALLOC_MALLOC_EXTERNAL_JOIN_H
+# include CYGBLD_MEMALLOC_MALLOC_EXTERNAL_JOIN_H
+#else
# include <cyg/memalloc/memjoin.hxx>
+#endif
Cyg_Mempool_Joined<CYGCLS_MEMALLOC_MALLOC_IMPL> cyg_memalloc_mallocpool
CYGBLD_ATTRIB_INIT_PRI( CYG_INIT_MEMALLOC ) =
Index: services/memalloc/common/current/cdl/memalloc.cdl
===================================================================
RCS file:
/cvs/ecos/ecos/packages/services/memalloc/common/current/cdl/memalloc.cdl,v
retrieving revision 1.15
diff -u -r1.15 memalloc.cdl
--- services/memalloc/common/current/cdl/memalloc.cdl 30 Jul 2005 11:42:55
-0000 1.15
+++ services/memalloc/common/current/cdl/memalloc.cdl 5 Nov 2007 09:30:19
-0000
@@ -305,6 +305,20 @@
be set to a header which provides the equivalent
definitions to <pkgconf/heaps.hxx>."
}
+
+ cdl_component CYGBLD_MEMALLOC_MALLOC_EXTERNAL_JOIN_H {
+ display "Use external implementation of joining multiple
heaps"
+ flavor booldata
+ default_value 0
+ description "The default implementation of joining multiple heaps
+ is fine for the case where there are multiple
disjoint
+ memory regions of the same type. However, in a
system
+ there might be e.g. a small amount of internal SRAM
and
+ a large amount of external DRAM. The SRAM is faster
and
+ the DRAM is slower. An application can implement
some
+ heuristic to choose which pool to allocate from.
This
+ heuristic can be highly application specific."
+ }
cdl_interface CYGINT_MEMALLOC_MALLOC_ALLOCATORS {
display "malloc() allocator implementations"
Index: services/memalloc/common/current/ChangeLog
===================================================================
RCS file: /cvs/ecos/ecos/packages/services/memalloc/common/current/ChangeLog,v
retrieving revision 1.41
diff -u -r1.41 ChangeLog
--- services/memalloc/common/current/ChangeLog 24 Oct 2007 13:25:46 -0000
1.41
+++ services/memalloc/common/current/ChangeLog 5 Nov 2007 09:30:19 -0000
@@ -1,3 +1,7 @@
+2007-11-05 Oyvind Harboe <[EMAIL PROTECTED]>
+ * Added option CYGBLD_MEMALLOC_MALLOC_EXTERNAL_JOIN_H to let
+ application implement a way to pick the pool to allocate memory from
+ based on application specifi heursitic.
2007-10-24 Oyvind Harboe <[EMAIL PROTECTED]>
2007-10-24 Jonathan Larmour <[EMAIL PROTECTED]>
