From 4f599ed99fc0aa37bc4d100cf787880c1e1bb97a Mon Sep 17 00:00:00 2001 From: Till Straumann Date: Wed, 18 May 2011 05:26:53 +0000 Subject: 2011-05-18 Till Straumann PR1797/bsps: Applied cleaned-up version of Kate's patch. CONFIGURE_MALLOC_BSP_SUPPORTS_SBRK is now a 'bspopts.h' setting and as such configurable. --- c/src/lib/libbsp/powerpc/score603e/configure.ac | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'c/src/lib/libbsp/powerpc/score603e/configure.ac') diff --git a/c/src/lib/libbsp/powerpc/score603e/configure.ac b/c/src/lib/libbsp/powerpc/score603e/configure.ac index 44fe3d2073..82a8cd0422 100644 --- a/c/src/lib/libbsp/powerpc/score603e/configure.ac +++ b/c/src/lib/libbsp/powerpc/score603e/configure.ac @@ -61,6 +61,16 @@ RTEMS_BSPOPTS_HELP([PPC_USE_DATA_CACHE], of PowerPC 603e revisions and emulator versions. The BSP actually contains the call that enables this.]) +RTEMS_BSPOPTS_SET([CONFIGURE_MALLOC_BSP_SUPPORTS_SBRK], [*], [1]) +RTEMS_BSPOPTS_HELP([CONFIGURE_MALLOC_BSP_SUPPORTS_SBRK], +[If defined then the BSP may reduce the available memory size +initially. This can be useful for debugging (reduce the core +size) or dynamic loading (std gcc text offsets/jumps are < +/-32M). +Note that the policy can still be defined by the application +(see sbrk.c, BSP_sbrk_policy). By undefining +CONFIGURE_MALLOC_BSP_SUPPORTS_SBRK this feature is removed +and a little memory is saved.]) + RTEMS_BSPOPTS_SET([PPC_VECTOR_FILE_BASE],[*],[0x0100]) RTEMS_BSPOPTS_HELP([PPC_VECTOR_FILE_BASE], [This defines the base address of the exception table. -- cgit v1.2.3