2010-05-11 Sebastian Huber <sebastian.huber@embedded-brains.de>

	* startup/linkcmds: Include basic linker command file and define only
	board specific values.  Define RAM and PROM limits only if not defined
	by command line arguments.
	* Makefile.am, preinstall.am: Reflect changes above.

1 files changed, 6 insertions, 194 deletions

diff --git a/c/src/lib/libbsp/sparc/erc32/startup/linkcmds b/c/src/lib/libbsp/sparc/erc32/startup/linkcmds
index 65b31a7b6c..3df235ac6c 100644
--- a/c/src/lib/libbsp/sparc/erc32/startup/linkcmds
+++ b/c/src/lib/libbsp/sparc/erc32/startup/linkcmds
@@ -3,75 +3,20 @@
  *  $Id$
  */
 
-OUTPUT_ARCH(sparc)
-__DYNAMIC  =  0;
-
-/*
- * The memory map looks like this:
- * +--------------------+ <- low memory
- * | .text              |
- * |        etext       |
- * |        ctor list   | the ctor and dtor lists are for
- * |        dtor list   | C++ support
- * |        _endtext    |
- * +--------------------+
- * | .data              | initialized data goes here
- * |        _sdata      |
- * |        _edata      |
- * +--------------------+
- * | .bss               |
- * |        __bss_start | start of bss, cleared by crt0
- * |        _end        | start of heap, used by sbrk()
- * +--------------------+
- * |    heap space      |
- * |        _ENDHEAP    |
- * |    stack space     | 
- * |        __stack     | top of stack
- * +--------------------+ <- high memory
- */
-
-
-/*
- * User modifiable values:
- *
- * _CLOCK_SPEED               in Mhz (used to program the counter/timers)
- *
- * _PROM_SIZE                 size of PROM (permissible values are 128K, 256K,
- *                               512K, 1M, 2M, 4M, 8M and 16M)
- * _RAM_SIZE                  size of RAM (permissible values are 256K, 512K,
- *                               1M, 2M, 4M, 8M, 16M, and 32M)
- *
- */
-
 /* Default values, can be overridden */
 
-_PROM_SIZE = 2M;
-_RAM_SIZE = 4M;
-
-_RAM_START = 0x02000000;
-_RAM_END = _RAM_START + _RAM_SIZE;
-
-_PROM_START = 0x00000000;
-_PROM_END = _PROM_START + _PROM_SIZE;
-
-/*
- *  Alternate names without leading _.
- */
-
-PROM_START = _PROM_START;
-PROM_SIZE = _PROM_SIZE;
-PROM_END = _PROM_END;
+_PROM_SIZE = DEFINED (_PROM_SIZE) ? _PROM_SIZE : 2M;
+_PROM_START = DEFINED (_PROM_START) ? _PROM_START : 0x00000000;
 
-RAM_START = _RAM_START;
-RAM_SIZE = _RAM_SIZE;
-RAM_END = _RAM_END;
+_RAM_SIZE = DEFINED (_RAM_SIZE) ? _RAM_SIZE : 4M;
+_RAM_START = DEFINED (_RAM_START) ? _RAM_START : 0x02000000;
 
 /*
  *  Base address of the on-CPU peripherals
  */
 
 _ERC32_MEC = 0x01f80000;
-ERC32_MEC = 0x01f80000;
+ERC32_MEC = _ERC32_MEC;
 
 /* these are the maximum values */
 
@@ -81,137 +26,4 @@ MEMORY
   ram     : ORIGIN = 0x02000000, LENGTH = 32M
 }
 
-/*
- * SPARC monitor assumes this is present to provide proper RTEMS awareness.
- */
-EXTERN(rtems_get_version_string);
-
-/*
- * stick everything in ram (of course)
- */
-SECTIONS
-{
-  .text :
-  {
-    CREATE_OBJECT_SYMBOLS
-    text_start = .;
-    _text_start = .;
-    *(.text*)
-    . = ALIGN (16);
-
-    /*
-     * Special FreeBSD sysctl sections.
-     */
-    . = ALIGN (16);
-    __start_set_sysctl_set = .;
-    *(set_sysctl_*);
-    __stop_set_sysctl_set = ABSOLUTE(.);
-    *(set_domain_*);
-    *(set_pseudo_*);
-
-    *(.eh_frame)
-    . = ALIGN (16);
-
-    *(.gnu.linkonce.t*)
-
-    /*
-     * C++ constructors
-     */
-    /* gcc uses crtbegin.o to find the start of
-       the constructors, so we make sure it is
-       first.  Because this is a wildcard, it
-       doesn't matter if the user does not
-       actually link against crtbegin.o; the
-       linker won't look for a file to match a
-       wildcard.  The wildcard also means that it
-       doesn't matter which directory crtbegin.o
-       is in.  */
-    KEEP (*crtbegin.o(.ctors))
-    KEEP (*crtbegin?.o(.ctors))
-    /* We don't want to include the .ctor section from
-       the crtend.o file until after the sorted ctors.
-       The .ctor section from the crtend file contains the
-       end of ctors marker and it must be last */
-    KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
-    KEEP (*(SORT(.ctors.*)))
-    KEEP (*(.ctors))
-    KEEP (*crtbegin.o(.dtors))
-    KEEP (*crtbegin?.o(.dtors))
-    KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
-    KEEP (*(SORT(.dtors.*)))
-    KEEP (*(.dtors))
-
-    _rodata_start = . ;
-    *(.rodata*)
-    *(.gnu.linkonce.r*)
-    _erodata = ALIGN( 0x10 ) ;
-
-    etext = ALIGN(0x10);
-    _etext = .;
-    *(.init)
-    *(.fini)
-    *(.lit)
-    *(.shdata)
-    . = ALIGN (16);
-    _endtext = .;
-  } > ram
-  .rela.dyn       :
-    {
-      *(.rela.init)
-      *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*)
-      *(.rela.fini)
-      *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*)
-      *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*)
-      *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*)
-      *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*)
-      *(.rela.ctors)
-      *(.rela.dtors)
-      *(.rela.got)
-      *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*)
-    } >ram
-  .data :
-  {
-    data_start = .;
-    _data_start = .;
-    _sdata = . ;
-    *(.data*)
-    *(.gnu.linkonce.d*)
-    *(.gcc_except_table*)
-    . = ALIGN(0x10);
-    edata = .;
-    _edata = .;
-  } > ram
-  .dynamic	  : { *(.dynamic) 	} >ram
-  .jcr		  : { *(.jcr) 		} >ram
-  .got		  : { *(.got) 		} >ram
-  .plt   	  : { *(.plt) 		} >ram
-  .hash		  : { *(.hash)		} >ram
-  .dynrel	  : { *(.dynrel)	} >ram
-  .dynsym	  : { *(.dynsym)	} >ram
-  .dynstr	  : { *(.dynstr)	} >ram
-  .hash		  : { *(.hash)		} >ram
-  .shbss :
-  {
-    *(.shbss)
-  } > ram
-  .bss :
-  {
-    __bss_start = ALIGN(0x8);
-    _bss_start = .;
-    bss_start = .;
-    *(.bss .bss* .gnu.linkonce.b*)
-    *(COMMON)
-    . = ALIGN (16);
-    end = .;
-    _end = .;
-    __end = .;
-  } > ram
-  .stab . (NOLOAD) :
-  {
-    [ .stab ]
-  }
-  .stabstr . (NOLOAD) :
-  {
-    [ .stabstr ]
-  }
-}
+INCLUDE linkcmds.base