Clean out unused trash from the NuttX configs.

2 files changed, 42 insertions, 145 deletions

diff --git a/nuttx-configs/px4fmu-v1/scripts/gnu-elf.ld b/nuttx-configs/px4fmu-v1/scripts/gnu-elf.ld
deleted file mode 100644
index 1f29f02f5..000000000
--- a/nuttx-configs/px4fmu-v1/scripts/gnu-elf.ld
+++ /dev/null
@@ -1,129 +0,0 @@
-/****************************************************************************
- * configs/stm32f4discovery/scripts/gnu-elf.ld
- *
- *   Copyright (C) 2012 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <gnutt@nuttx.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- *    used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- ****************************************************************************/
-
-SECTIONS
-{
-  .text 0x00000000 :
-    {
-      _stext = . ;
-      *(.text)
-      *(.text.*)
-      *(.gnu.warning)
-      *(.stub)
-      *(.glue_7)
-      *(.glue_7t)
-      *(.jcr)
-
-      /* C++ support:  The .init and .fini sections contain specific logic
-       * to manage static constructors and destructors.
-       */
-
-      *(.gnu.linkonce.t.*)
-      *(.init)             /* Old ABI */
-      *(.fini)             /* Old ABI */
-      _etext = . ;
-    }
-
-  .rodata :
-    {
-      _srodata = . ;
-      *(.rodata)
-      *(.rodata1)
-      *(.rodata.*)
-      *(.gnu.linkonce.r*)
-      _erodata = . ;
-    }
-
-  .data :
-    {
-      _sdata = . ;
-      *(.data)
-      *(.data1)
-      *(.data.*)
-      *(.gnu.linkonce.d*)
-      _edata = . ;
-    }
-
-  /* C++ support. For each global and static local C++ object,
-   * GCC creates a small subroutine to construct the object. Pointers
-   * to these routines (not the routines themselves) are stored as
-   * simple, linear arrays in the .ctors section of the object file.
-   * Similarly, pointers to global/static destructor routines are
-   * stored in .dtors.
-   */
-
-  .ctors :
-    {
-      _sctors = . ;
-      *(.ctors)       /* Old ABI:  Unallocated */
-      *(.init_array)  /* New ABI:  Allocated */
-      _edtors = . ;
-    }
-
-  .dtors :
-    {
-      _sdtors = . ;
-      *(.dtors)       /* Old ABI:  Unallocated */
-      *(.fini_array)  /* New ABI:  Allocated */
-      _edtors = . ;
-    }
-
-  .bss :
-    {
-      _sbss = . ;
-      *(.bss)
-      *(.bss.*)
-      *(.sbss)
-      *(.sbss.*)
-      *(.gnu.linkonce.b*)
-      *(COMMON)
-      _ebss = . ;
-    }
-
-    /* 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) }
-    .debug_abbrev 0 : { *(.debug_abbrev) }
-    .debug_info 0 : { *(.debug_info) }
-    .debug_line 0 : { *(.debug_line) }
-    .debug_pubnames 0 : { *(.debug_pubnames) }
-    .debug_aranges 0 : { *(.debug_aranges) }
-}
diff --git a/nuttx-configs/px4fmu-v1/scripts/ld.script b/nuttx-configs/px4fmu-v1/scripts/ld.script
index f6560743b..ced5b21b7 100644
--- a/nuttx-configs/px4fmu-v1/scripts/ld.script
+++ b/nuttx-configs/px4fmu-v1/scripts/ld.script
@@ -1,7 +1,7 @@
 /****************************************************************************
- * configs/stm32f4discovery/scripts/ld.script
+ * configs/px4fmu-v1/scripts/ld.script
  *
- *   Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -42,41 +42,67 @@
  *
  * When booting from FLASH, FLASH memory is aliased to address 0x0000:0000
  * where the code expects to begin execution by jumping to the entry point in
- * the 0x0800:0000 address
- * range.
+ * the 0x0800:0000 address range.
+ *
+ * The first 0x4000 of flash is reserved for the bootloader.
  */
 
 MEMORY
 {
-    flash (rx) : ORIGIN = 0x08004000, LENGTH = 1008K
-    sram (rwx) : ORIGIN = 0x20000000, LENGTH = 112K
+    flash (rx)   : ORIGIN = 0x08004000, LENGTH = 1008K
+    sram (rwx)   : ORIGIN = 0x20000000, LENGTH = 128K
+    ccsram (rwx) : ORIGIN = 0x10000000, LENGTH = 64K
 }
 
 OUTPUT_ARCH(arm)
-EXTERN(_vectors)
-ENTRY(_stext)
+
+ENTRY(__start)		/* treat __start as the anchor for dead code stripping */
+EXTERN(_vectors)	/* force the vectors to be included in the output */
+
+/* 
+ * Ensure that abort() is present in the final object.  The exception handling
+ * code pulled in by libgcc.a requires it (and that code cannot be easily avoided).
+ */
+EXTERN(abort)
+
 SECTIONS
 {
 	.text : {
 		_stext = ABSOLUTE(.);
 		*(.vectors)
-		*(.text .text.*)
+		*(.text .text.*)        
 		*(.fixup)
 		*(.gnu.warning)
-		*(.rodata .rodata.*)
+		*(.rodata .rodata.*)        
 		*(.gnu.linkonce.t.*)
-		*(.glue_7)
-		*(.glue_7t)
 		*(.got)
 		*(.gcc_except_table)
 		*(.gnu.linkonce.r.*)
 		_etext = ABSOLUTE(.);
+
+		/* 
+		 * This is a hack to make the newlib libm __errno() call
+		 * use the NuttX get_errno_ptr() function.
+		 */
+		__errno = get_errno_ptr;
 	} > flash
 
-	.init_section : {
-		_sinit = ABSOLUTE(.);
-		*(.init_array .init_array.*)
-		_einit = ABSOLUTE(.);
+	/*
+	 * Init functions (static constructors and the like)
+	 */
+        .init_section : {
+                _sinit = ABSOLUTE(.);
+                KEEP(*(.init_array .init_array.*))
+                _einit = ABSOLUTE(.);
+        } > flash
+
+	/*
+	 * Construction data for parameters.
+	 */
+	__param ALIGN(4): {
+		__param_start = ABSOLUTE(.);
+		KEEP(*(__param*))
+		__param_end = ABSOLUTE(.);
 	} > flash
 
 	.ARM.extab : {