bsps/m68k: Add and use linkcmds.base

1 files changed, 8 insertions, 156 deletions

diff --git a/c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds.m5484FireEngine b/c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds.m5484FireEngine
index a2e92a8cb0..b1531f6cf8 100644
--- a/c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds.m5484FireEngine
+++ b/c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds.m5484FireEngine
@@ -63,170 +63,22 @@ _BootFlashSize  = DEFINED(_BootFlashSize)  ? _BootFlashSize : (2 * 1024*1024);
 _CodeFlashBase  = DEFINED(_CodeFlashBase)  ? _CodeFlashBase : 0xE0000000;
 _CodeFlashSize  = DEFINED(_CodeFlashSize)  ? _CodeFlashSize : (16 * 1024*1024);
 
-_VectorRam      = DEFINED(_VectorRam)      ? _VectorRam : _SdramBase;
-_DataRam        = DEFINED(_DataRam)        ? _DataRam   : _data_dest_start;
-_DataRom        = DEFINED(_DataRom)        ? _DataRom   : _data_src_start;
-_DataEnd        = DEFINED(_DataEnd)        ? _DataEnd   : _data_dest_end;
-_BssStart       = DEFINED(_BssStart)       ? _BssStart  : _clear_start;
-_BssEnd         = DEFINED(_BssEnd)         ? _BssEnd    : _clear_end;
-_SpInit         = DEFINED(_SpInit)         ? _SpInit    : _EndInitStackSpace;
+bsp_initstack_size = DEFINED(StackSize)    ? StackSize  : 0x800;  /* 2 kB   */
 
-_InitStackSize  = DEFINED(StackSize)       ? StackSize  : 0x800;  /* 2 kB   */
-_TopRamReserved = DEFINED(_TopRamReserved) ? _TopRamReserved : 0;
-
-RamBase        = DEFINED(_SdramBase)      ? _SdramBase : _SdramBase;
-RamSize        = DEFINED(_SdramSize)      ? _SdramSize : _SdramSize;
-HeapSize       = DEFINED(HeapSize)       ? HeapSize   : 0x0;
-_VBR            = DEFINED(_VBR)            ? _VBR       : RamBase;
+_VBR            = DEFINED(_VBR)            ? _VBR       : _SdramBase;
 
 __MBAR          = DEFINED(__MBAR)          ? __MBAR     : 0x10000000;
 
-ENTRY(start)
 MEMORY
 {
-    sdram      : ORIGIN = 0x400     , LENGTH = 64M - 0x400
+    sdram      : ORIGIN = 0x00000000, LENGTH = 64M
     code_flash : ORIGIN = 0xE0000000, LENGTH = 16M
     boot_flash : ORIGIN = 0xFF800000, LENGTH = 2M
 }
 
-SECTIONS
-{
-     
-    _header_offset = 0;
-    
-    /*
-     * Text, data and bss segments .vectors          
-     */    
-    .vectors : {
-                 *(.vectors*)
-               } >sdram
-    .text : {
-       
-        *(.text*)
-        *(.ram_code)
-
-        /*
-         * C++ constructors/destructors
-         */
-        *(.gnu.linkonce.t.*)
-
-        /*
-         * Initialization and finalization code.
-              *
-              * Various files can provide initialization and finalization
-         * functions.  crtbegin.o and crtend.o are two instances. The
-         * body of these functions are in .init and .fini sections. We
-         * accumulate the bodies here, and prepend function prologues
-         * from crti.o and function epilogues from crtn.o. crti.o must
-         * be linked first; crtn.o must be linked last.  Because these
-         * are wildcards, it doesn't matter if the user does not
-         * actually link against crti.o and crtn.o; the linker won't
-         * look for a file to match a wildcard.  The wildcard also
-         * means that it doesn't matter which directory crti.o and
-         * crtn.o are in. 
-         */
-        PROVIDE (_init = .);
-        *crti.o(.init)
-        *(.init)
-        *crtn.o(.init)
-        PROVIDE (_fini = .);
-        *crti.o(.fini)
-        *(.fini)
-        *crtn.o(.fini)
-
-        /*
-         * Special FreeBSD sysctl sections.
-         */
-        . = ALIGN (16);
-        __start_set_sysctl_set = .;
-        *(set_sysctl_*);
-        __stop_set_sysctl_set = ABSOLUTE(.);
-        *(set_domain_*);
-        *(set_pseudo_*);
-
+REGION_ALIAS ("REGION_TEXT", sdram);
+REGION_ALIAS ("REGION_TEXT_LOAD", sdram);
+REGION_ALIAS ("REGION_DATA", sdram);
+REGION_ALIAS ("REGION_DATA_LOAD", sdram);
 
-        /*
-         * C++ constructors/destructors
-         *
-         * gcc uses crtbegin.o to find the start of the constructors
-         * and destructors 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. The
-         * constructor and destructor list are terminated in
-         * crtend.o.  The same comments apply to it.
-         */
-        . = ALIGN (16);
-        *crtbegin.o(.ctors)
-        *(.ctors)
-        *crtend.o(.ctors)
-        *crtbegin.o(.dtors)
-        *(.dtors)
-        *crtend.o(.dtors)
-
-        /*
-         * Exception frame info
-         */
-        . = ALIGN (16);
-        *(.eh_frame)
-
-        /*
-         * Read-only data
-         */
-        . = ALIGN (16);
-        _rodata_start = . ;
-        *(.rodata*)
-        *(.gnu.linkonce.r*)
-        
-        . = ALIGN (16);
-
-        *(.console_gdb_xfer)
-        *(.bootstrap_data)
-        . = ALIGN(16);
-        _estuff = .;
-    PROVIDE (_etext = .);
-    } >sdram
-        
-        .data : {
-        /*.data : {*/
-            PROVIDE( _data_dest_start = . );
-            PROVIDE( _copy_start = .);
-            *(.data*)
-            *(.gnu.linkonce.d*)
-            *(.gcc_except_table*)
-            *(.jcr)
-            . = ALIGN (16);
-            PROVIDE (_edata = .);
-        PROVIDE (_copy_end = .);
-        PROVIDE (_data_dest_end = . );
-        } >sdram
-
-        _data_src_start = _etext; /*LOADADDR(.data);*/
-        _data_src_end = _data_src_start + SIZEOF(.data);        
-        
-        .bss : {
-               PROVIDE (_clear_start = .);
-                *(.bss*)
-                *(COMMON)
-                . = ALIGN (16);
-                PROVIDE (end = .);
-                PROVIDE (_clear_end = .);
-                . = ALIGN (4);
-                PROVIDE (_StartInitStackSpace = .);
-                /*. = _StartInitStackSpace + _InitStackSize;*/
-                . += _InitStackSize;
-                PROVIDE (_EndInitStackSpace = .);
-                PROVIDE (WorkAreaBase = .);
-        } >sdram
-  /* Stabs debugging sections.  */
-  .stab 0 : { *(.stab) }
-  .stabstr 0 : { *(.stabstr) }
-  .stab.excl 0 : { *(.stab.excl) }
-  .stab.exclstr 0 : { *(.stab.exclstr) }
-  .stab.index 0 : { *(.stab.index) }
-  .stab.indexstr 0 : { *(.stab.indexstr) }
-  .comment 0 : { *(.comment) }
-
-PROVIDE (end_of_all = .);  
-}
+INCLUDE linkcmds.base