2001-10-11 Alexandra Kossovsky <sasha@oktet.ru>

	* Makefile.am, README, bsp_specs, .cvsignore, include/Makefile.am,
	include/bsp.h, include/coverhd.h, include/sdram.h, include/.cvsignore,
	start/Makefile.am, start/start.S, start/.cvsignore, startup/Makefile.am,
	startup/bspstart.c, startup/linkcmds, startup/linkcmds.rom,
	startup/linkcmds.rom2ram, startup/.cvsignore, wrapup/Makefile.am,
	wrapup/.cvsignore, hw_init/Makefile.am, hw_init/hw_init.c,
	hw_init/.cvsignore, times, configure.ac:  New files.
	Reviewed and updated to latest automake and autoconf standards
	by Ralf Corsepius <corsepiu@faw.uni-ulm.de>.

1 files changed, 187 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/sh/gensh4/startup/linkcmds b/c/src/lib/libbsp/sh/gensh4/startup/linkcmds
new file mode 100644
index 0000000000..6a0342b538
--- /dev/null
+++ b/c/src/lib/libbsp/sh/gensh4/startup/linkcmds
@@ -0,0 +1,187 @@
+/*
+ * This file contains GNU linker directives for an general SH4 
+ * board.
+ *
+ * Variations in memory size and allocation can be made by
+ * overriding some values with linker command-line arguments.
+ *
+ * Copyright (C) 2000 OKTET Ltd., St.-Petersburg, Russia
+ * Author: Victor V. Vengerov <vvv@oktet.ru>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ *
+ * http://www.OARcorp.com/rtems/license.html.
+ * 
+ *  $Id$
+ */
+
+
+OUTPUT_FORMAT("elf32-shl", "elf32-shl",
+	      "elf32-shl")
+OUTPUT_ARCH(sh)
+ENTRY(_start)
+/* Do we need any of these for elf?
+   __DYNAMIC = 0;    */
+
+_HeapSize = DEFINED(_HeapSize) ? _HeapSize : (2 * 1024 * 1024);
+_WorkspaceSize = DEFINED(_WorkspaceSize) ? _WorkspaceSize : (1024 * 1024);
+
+/*
+ * Area assignments:
+ *     Area 0: Flash memory, SRAM interface
+ *     Area 1: GDC
+ *     Area 2: SDRAM
+ *     Area 3-6: unused
+ */
+MEMORY
+{
+  ram           : o = 0x88100000, l = 7M
+  rom           : o = 0x80000000, l = 4M
+}
+
+SECTIONS
+{
+  /* Read-only sections, merged into text segment: */
+  .init          : 
+  { 
+    KEEP (*(.init))
+  } =0
+  .text      :
+  {
+    *(.text)
+    *(.text.*)
+    /* .gnu.warning sections are handled specially by elf32.em.  */
+    *(.gnu.warning)
+    *(.gnu.linkonce.t*)
+  } > ram
+  _etext = .;
+  PROVIDE (etext = .);
+  .fini      :
+  {
+    KEEP (*(.fini))
+  } =0
+  .rodata   : 
+  { 
+    *(.rodata) 
+    *(.rodata.*) 
+    *(.gnu.linkonce.r*) 
+  } > ram
+  .ctors   : 
+  {
+    ___ctors = .;
+    /* 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))
+    /* We don't want to include the .ctor section from
+       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 ) .ctors))
+    KEEP (*(SORT(.ctors.*)))
+    KEEP (*(.ctors))
+    ___ctors_end = .;
+  } > ram
+   .dtors         :
+  {
+    ___dtors = .;
+    KEEP (*crtbegin.o(.dtors))
+    KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors))
+    KEEP (*(SORT(.dtors.*)))
+    KEEP (*(.dtors))
+    ___dtors_end = .;
+    copy_start_in_rom = .;
+  } > ram
+
+  /* Adjust the address for the data segment.  We want to adjust up to
+     the same address within the page on the next page up.  */
+  . = ALIGN(128) + (. & (128 - 1));
+  .data    :
+  {
+    copy_start = .;
+    *(.data)
+    *(.data.*)
+    *(.gnu.linkonce.d*)
+    SORT(CONSTRUCTORS)
+    copy_end = .;
+  } > ram
+  .eh_frame : { *(.eh_frame) } > ram
+  /* We want the small data sections together, so single-instruction offsets
+     can access them all, and initialized data all before uninitialized, so
+     we can shorten the on-disk segment size.  */
+  .bss       :
+  {
+   __bss_start = .;
+   *(.dynbss)
+   *(.bss)
+   *(.bss.*)
+   *(COMMON)
+   /* Align here to ensure that the .bss section occupies space up to
+      _end.  Align after .bss to ensure correct alignment even if the
+      .bss section disappears because there are no input sections.  */
+   . = ALIGN(32 / 8);
+   __bss_end = .;
+  } > ram
+
+  . = ALIGN(16);
+  _HeapStart = . ;
+  . = . + _HeapSize ;
+  PROVIDE( _HeapEnd = . );
+
+  . = ALIGN(16);
+  _WorkSpaceStart = . ;
+  . = . + _WorkspaceSize ;
+  PROVIDE(_WorkSpaceEnd = .);
+
+  . = ALIGN(16);
+  .stack . : {
+    . = . + 4096;
+  }
+
+  . = ALIGN(16);
+  _CPU_Interrupt_stack_low  = . ;
+  _CPU_Interrupt_stack_high = _CPU_Interrupt_stack_low + 4096 ;
+
+  /* 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) }
+  /* DWARF debug sections.
+     Symbols in the DWARF debugging sections are relative to the beginning
+     of the section so we begin them at 0.  */
+  /* DWARF 1 */
+  .debug          0 : { *(.debug) }
+  .line           0 : { *(.line) }
+  /* GNU DWARF 1 extensions */
+  .debug_srcinfo  0 : { *(.debug_srcinfo) }
+  .debug_sfnames  0 : { *(.debug_sfnames) }
+  /* DWARF 1.1 and DWARF 2 */
+  .debug_aranges  0 : { *(.debug_aranges) }
+  .debug_pubnames 0 : { *(.debug_pubnames) }
+  /* DWARF 2 */
+  .debug_info     0 : { *(.debug_info) }
+  .debug_abbrev   0 : { *(.debug_abbrev) }
+  .debug_line     0 : { *(.debug_line) }
+  .debug_frame    0 : { *(.debug_frame) }
+  .debug_str      0 : { *(.debug_str) }
+  .debug_loc      0 : { *(.debug_loc) }
+  .debug_macinfo  0 : { *(.debug_macinfo) }
+  /* SGI/MIPS DWARF 2 extensions */
+  .debug_weaknames 0 : { *(.debug_weaknames) }
+  .debug_funcnames 0 : { *(.debug_funcnames) }
+  .debug_typenames 0 : { *(.debug_typenames) }
+  .debug_varnames  0 : { *(.debug_varnames) }
+  .stack : { _stack = .; *(.stack) }
+  /* These must appear regardless of  .  */
+}