bsps: Move startup files to bsps

Adjust build support files to new directory layout.

This patch is a part of the BSP source reorganization.

Update #3285.

8 files changed, 809 insertions, 0 deletions

diff --git a/bsps/m68k/mcf5235/start/bsp_specs b/bsps/m68k/mcf5235/start/bsp_specs
new file mode 100644
index 0000000000..3a20757667
--- /dev/null
+++ b/bsps/m68k/mcf5235/start/bsp_specs
@@ -0,0 +1,10 @@
+%rename endfile old_endfile
+%rename startfile old_startfile
+
+*startfile:
+%{!qrtems: %(old_startfile)} \
+%{!nostdlib: %{qrtems: crti.o%s crtbegin.o%s}}
+
+*endfile:
+%{!qrtems: %(old_endfile)} %{qrtems: crtend.o%s crtn.o%s}
+
diff --git a/bsps/m68k/mcf5235/start/bspgetcpuclockspeed.c b/bsps/m68k/mcf5235/start/bspgetcpuclockspeed.c
new file mode 100644
index 0000000000..548caaa9b8
--- /dev/null
+++ b/bsps/m68k/mcf5235/start/bspgetcpuclockspeed.c
@@ -0,0 +1,17 @@
+/*
+ *  COPYRIGHT (c) 1989-2008.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.org/license/LICENSE.
+ */
+
+#include <bsp.h>
+
+extern char _CPUClockSpeed[];
+
+uint32_t get_CPU_clock_speed(void)
+{
+  return( (uint32_t)_CPUClockSpeed);
+}
diff --git a/bsps/m68k/mcf5235/start/bspstart.c b/bsps/m68k/mcf5235/start/bspstart.c
new file mode 100644
index 0000000000..744d4c9142
--- /dev/null
+++ b/bsps/m68k/mcf5235/start/bspstart.c
@@ -0,0 +1,60 @@
+/*
+ *  This routine does the bulk of the system initialization.
+ */
+
+/*
+ *  COPYRIGHT (c) 1989-2008.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.org/license/LICENSE.
+ */
+
+#include <bsp.h>
+#include <bsp/bootcard.h>
+
+/*
+ * Read/write copy of common cache
+ *   Split I/D cache
+ *   Allow CPUSHL to invalidate a cache line
+ *   Enable buffered writes
+ *   No burst transfers on non-cacheable accesses
+ *   Default cache mode is *disabled* (cache only ACRx areas)
+ */
+uint32_t cacr_mode = MCF5XXX_CACR_CENB | MCF5XXX_CACR_DBWE | MCF5XXX_CACR_DCM;
+
+/*
+ * Cacheable areas
+ */
+extern char RamBase[];
+extern char RamSize[];
+
+/*
+ *  bsp_start
+ *
+ *  This routine does the bulk of the system initialisation.
+ */
+void bsp_start( void )
+{
+  /*
+   * Invalidate the cache and disable it
+   */
+  m68k_set_acr0(0);
+  m68k_set_acr1(0);
+  m68k_set_cacr(MCF5XXX_CACR_CINV);
+
+  /*
+   * Cache SDRAM
+   */
+  m68k_set_acr0(MCF5XXX_ACR_AB((uintptr_t)RamBase)   |
+                MCF5XXX_ACR_AM((uintptr_t)RamSize-1) |
+                MCF5XXX_ACR_EN                       |
+                MCF5XXX_ACR_BWE                      |
+                MCF5XXX_ACR_SM_IGNORE);
+
+  /*
+   * Enable the cache
+   */
+  m68k_set_cacr(cacr_mode);
+}
diff --git a/bsps/m68k/mcf5235/start/copyvectors.c b/bsps/m68k/mcf5235/start/copyvectors.c
new file mode 100644
index 0000000000..2c54c31a44
--- /dev/null
+++ b/bsps/m68k/mcf5235/start/copyvectors.c
@@ -0,0 +1,19 @@
+/*
+ * Move the copy out of the Init5235 file because gcc is broken.
+ */
+
+#include <stdint.h>
+
+void CopyVectors(const uint32_t* old, uint32_t* new);
+
+void CopyVectors(const uint32_t* old, uint32_t* new)
+{
+    int v = 0;
+    while (v < 256)
+    {
+        *new = *old;
+        ++v;
+        ++new;
+        ++old;
+    }
+}
diff --git a/bsps/m68k/mcf5235/start/init5235.c b/bsps/m68k/mcf5235/start/init5235.c
new file mode 100644
index 0000000000..5066941be0
--- /dev/null
+++ b/bsps/m68k/mcf5235/start/init5235.c
@@ -0,0 +1,89 @@
+/*
+ *  This is where the real hardware setup is done. A minimal stack
+ *  has been provided by the start.S code. No normal C or RTEMS
+ *  functions can be called from here.
+ *
+ * This routine is pretty simple for the uC5235 because all the hard
+ * work has been done by the bootstrap dBUG code.
+ */
+
+#include <rtems.h>
+#include <bsp.h>
+
+#define MM_SDRAM_BASE		(0x00000000)
+
+/*
+ * MCF5235_BSP_START_FROM_FLASH comes from the linker script
+ * If it is set to 0 then it is assumed that the motorola debug monitor
+ * is present and we do not need to re-initialize the SDRAM. Otherwise,
+ * if it is set to 1 then we want to boot our own code from flash and we
+ * do need to initialize the SDRAM.
+ */
+
+extern uint32_t MCF5235_BSP_START_FROM_FLASH;
+extern void CopyDataClearBSSAndStart (void);
+extern void INTERRUPT_VECTOR(void);
+
+extern void CopyVectors(const uint32_t* old, uint32_t* new);
+
+void Init5235 (void)
+{
+    int x;
+    volatile int temp = 0;
+    int *address_of_MCF5235_BSP_START_FROM_FLASH;
+
+    /*Setup the GPIO Registers */
+    MCF5235_GPIO_UART=0x3FFF;
+    MCF5235_GPIO_PAR_AD=0xE1;
+
+    /*Setup the Chip Selects so CS0 is flash */
+    MCF5235_CS_CSAR0 =(0xFFE00000 & 0xffff0000)>>16;
+    MCF5235_CS_CSMR0 = 0x001f0001;
+    MCF5235_CS_CSCR0 = 0x1980;
+
+    address_of_MCF5235_BSP_START_FROM_FLASH = (int *) & MCF5235_BSP_START_FROM_FLASH;
+    if ( (int)address_of_MCF5235_BSP_START_FROM_FLASH == 1) {
+        /*Setup the SDRAM  */
+        for(x=0; x<20000; x++)
+        {
+	       temp +=1;
+        }
+        MCF5235_SDRAMC_DCR  = 0x042E;
+        MCF5235_SDRAMC_DACR0 = 0x00001300;
+        MCF5235_SDRAMC_DMR0 = (0x00FC0000) | (0x00000001);
+        for(x=0; x<20000; x++)
+        {
+	        temp +=1;
+        }
+        /* set ip ( bit 3 ) in dacr */
+        MCF5235_SDRAMC_DACR0 |= (0x00000008) ;
+        /* init precharge */
+        *((unsigned long *)MM_SDRAM_BASE) = 0xDEADBEEF;
+        /* set RE in dacr */
+        MCF5235_SDRAMC_DACR0 |= (0x00008000);
+        /* wait */
+        for(x=0; x<20000; x++)
+        {
+	        temp +=1;
+        }
+        /* issue IMRS */
+        MCF5235_SDRAMC_DACR0 |= (0x00000040);
+        *((short *)MM_SDRAM_BASE) = 0;
+        for(x=0; x<60000; x++)
+        {
+	        temp +=1;
+        }
+        *((unsigned long*)MM_SDRAM_BASE)=0x12345678;
+    } /* we have finished setting up the sdram */
+
+    /* Copy the interrupt vector table to address 0x0 in SDRAM */
+    CopyVectors((const uint32_t *)&INTERRUPT_VECTOR, (uint32_t*)0);
+
+    m68k_set_vbr(0);
+
+    /*
+     * Copy data, clear BSS and call boot_card()
+     */
+    CopyDataClearBSSAndStart ();
+
+}
diff --git a/bsps/m68k/mcf5235/start/linkcmds b/bsps/m68k/mcf5235/start/linkcmds
new file mode 100644
index 0000000000..660c931e26
--- /dev/null
+++ b/bsps/m68k/mcf5235/start/linkcmds
@@ -0,0 +1,203 @@
+/*
+ *  This file contains directives for the GNU linker which are specific
+ *  to the Freescale ColdFire mcf5235
+ *
+ *  COPYRIGHT (c) 1989-1999.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.org/license/LICENSE.
+ */
+
+/*
+ * declare for the MCF5235_BSP_START_FROM_FLASH
+ * 0 - use debug monitor to load to ram
+ * 1 - load everything from flash from scratch
+ */
+MCF5235_BSP_START_FROM_FLASH = 0;
+
+/*
+ * Declare some sizes.
+ */
+RamBase = DEFINED(RamBase) ? RamBase : 0x0;
+RamSize = DEFINED(RamSize) ? RamSize : 16M;
+HeapSize = DEFINED(HeapSize) ? HeapSize : 0;
+
+
+/*
+ * System clock speed
+ */
+_CPUClockSpeed = DEFINED(_CPUClockSpeed) ? _CPUClockSpeed : 150000000 ;
+
+/*
+ * Location of on-chip devices
+ */
+__IPSBAR = DEFINED(__IPSBAR) ? __IPSBAR : 0x40000000 ;
+__SRAMBASE = DEFINED(__SRAMBASE) ? __SRAMBASE : 0x20000000 ;
+_VBR = 0x0;
+
+ENTRY(start)
+STARTUP(start.o)
+
+MEMORY
+{
+    dram : ORIGIN = 0, LENGTH = 16M
+    sram : ORIGIN = 0x20000000, LENGTH = 64K
+    flash : ORIGIN = 0xFFE00000, LENGTH = 2M
+}
+
+SECTIONS
+{
+    
+    _header_offset = 0;
+    
+    /*
+     * Text, data and bss segments
+     */
+    .text 0x40000 : {
+       
+       *(.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_*);
+
+
+        /*
+         * 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*)
+        KEEP (*(SORT(.rtemsroset.*)))
+        *(.gnu.linkonce.r*)
+        
+        . = ALIGN (16);
+
+        *(.console_gdb_xfer)
+        *(.bootstrap_data)
+        . = ALIGN(16);
+        _estuff = .;
+    PROVIDE (_etext = .);
+    } > dram
+
+    .tdata : {
+        _TLS_Data_begin = .;
+        *(.tdata .tdata.* .gnu.linkonce.td.*)
+        _TLS_Data_end = .;
+    } > dram
+
+    .tbss : {
+        _TLS_BSS_begin = .;
+        *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
+        _TLS_BSS_end = .;
+    } > dram
+
+    _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
+    _TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin;
+    _TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin;
+    _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
+    _TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
+    _TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss));
+        
+        .data : {
+            PROVIDE( _data_dest_start = . );
+            PROVIDE( _copy_start = .);
+            *(.data*)
+            KEEP (*(SORT(.rtemsrwset.*)))
+            *(.gnu.linkonce.d*)
+            *(.gcc_except_table*)
+            *(.jcr)
+            . = ALIGN (16);
+            PROVIDE (_edata = .);
+        PROVIDE (_copy_end = .);
+        PROVIDE (_data_dest_end = . );
+        } > dram
+
+        _data_src_start = _estuff;
+        _data_src_end = _data_dest_start + SIZEOF(.data);        
+        
+        .bss : {
+                _clear_start = .;
+                *(.bss*)
+                *(COMMON)
+                . = ALIGN (16);
+                PROVIDE (end = .);
+                _clear_end = .;
+
+                WorkAreaBase = .;
+        } > dram
+  /* 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 = .);  
+}
diff --git a/bsps/m68k/mcf5235/start/linkcmdsflash b/bsps/m68k/mcf5235/start/linkcmdsflash
new file mode 100644
index 0000000000..832424a2d9
--- /dev/null
+++ b/bsps/m68k/mcf5235/start/linkcmdsflash
@@ -0,0 +1,208 @@
+/*
+ *  This file contains directives for the GNU linker which are specific
+ *  to the Freescale ColdFire mcf5235
+ *
+ *  COPYRIGHT (c) 1989-1999.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.org/license/LICENSE.
+ */
+
+/*
+ * declare for the MCF5235_BSP_START_FROM_FLASH
+ * 0 - use debug monitor to load to ram
+ * 1 - load everything from flash from scratch
+ */
+MCF5235_BSP_START_FROM_FLASH = 1;
+
+/*
+ * Declare some sizes.
+ */
+RamBase = DEFINED(RamBase) ? RamBase : 0x0;
+RamSize = DEFINED(RamSize) ? RamSize : 16M;
+HeapSize = DEFINED(HeapSize) ? HeapSize : 0;
+
+
+/*
+ * System clock speed
+ */
+_CPUClockSpeed = DEFINED(_CPUClockSpeed) ? _CPUClockSpeed : 150000000 ;
+
+/*
+ * Location of on-chip devices
+ */
+__IPSBAR = DEFINED(__IPSBAR) ? __IPSBAR : 0x40000000 ;
+__SRAMBASE = DEFINED(__SRAMBASE) ? __SRAMBASE : 0x20000000 ;
+_VBR = 0x0;
+
+ENTRY(start)
+STARTUP(start.o)
+
+/*
+ *  NOTE: If loading to flash with dBUG remember to change the origin to 0xFFF00000 because that's where user flash is
+ *  located.
+ */
+MEMORY
+{
+    ram : ORIGIN = 0, LENGTH = 16M
+    sram : ORIGIN = 0x20000000, LENGTH = 64K
+    flash : ORIGIN = 0xFFE00000, LENGTH = 2M
+}
+
+SECTIONS
+{
+    
+    _header_offset = 0;
+    
+    /*
+     * Text, data and bss segments
+     */
+    .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_*);
+
+
+        /*
+         * 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*)
+        KEEP (*(SORT(.rtemsroset.*)))
+        *(.gnu.linkonce.r*)
+        
+        . = ALIGN (16);
+
+        *(.console_gdb_xfer)
+        *(.bootstrap_data)
+        . = ALIGN(16);
+        _estuff = .;
+    PROVIDE (_etext = .);
+    } >flash
+
+    .tdata : {
+        _TLS_Data_begin = .;
+        *(.tdata .tdata.* .gnu.linkonce.td.*)
+        _TLS_Data_end = .;
+    } >flash
+
+    .tbss : {
+        _TLS_BSS_begin = .;
+        *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
+        _TLS_BSS_end = .;
+    } >flash
+
+    _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
+    _TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin;
+    _TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin;
+    _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
+    _TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
+    _TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss));
+        
+        .data 0x4000 : AT ( ADDR(.tdata) + SIZEOF ( .tdata ) )
+	{
+            PROVIDE( _data_dest_start = . );
+            PROVIDE( _copy_start = .);
+            *(.data)
+            KEEP (*(SORT(.rtemsrwset.*)))
+            *(.gnu.linkonce.d*)
+            *(.gcc_except_table*)
+            *(.jcr)
+            . = ALIGN (16);
+            PROVIDE (_edata = .);
+        PROVIDE (_copy_end = .);
+        PROVIDE (_data_dest_end = . );
+        } >ram
+
+        _data_src_start = _estuff;
+        _data_src_end = _data_dest_start + SIZEOF(.data);        
+        
+        .bss : {
+                _clear_start = .;
+                *(.bss*)
+                *(COMMON)
+                . = ALIGN (16);
+                PROVIDE (end = .);
+                _clear_end = .;
+
+                WorkAreaBase = .;
+        } >ram
+  /* 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 = .);  
+}
diff --git a/bsps/m68k/mcf5235/start/linkcmdsram b/bsps/m68k/mcf5235/start/linkcmdsram
new file mode 100644
index 0000000000..ec7483001e
--- /dev/null
+++ b/bsps/m68k/mcf5235/start/linkcmdsram
@@ -0,0 +1,203 @@
+/*
+ *  This file contains directives for the GNU linker which are specific
+ *  to the Freescale ColdFire mcf5235
+ *
+ *  COPYRIGHT (c) 1989-1999.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.org/license/LICENSE.
+ */
+
+/*
+ * declare for the MCF5235_BSP_START_FROM_FLASH
+ * 0 - use debug monitor to load to ram
+ * 1 - load everything from flash from scratch
+ */
+MCF5235_BSP_START_FROM_FLASH = 0;
+
+/*
+ * Declare some sizes.
+ */
+RamBase = DEFINED(RamBase) ? RamBase : 0x0;
+RamSize = DEFINED(RamSize) ? RamSize : 16M;
+HeapSize = DEFINED(HeapSize) ? HeapSize : 0;
+
+
+/*
+ * System clock speed
+ */
+_CPUClockSpeed = DEFINED(_CPUClockSpeed) ? _CPUClockSpeed : 150000000 ;
+
+/*
+ * Location of on-chip devices
+ */
+__IPSBAR = DEFINED(__IPSBAR) ? __IPSBAR : 0x40000000 ;
+__SRAMBASE = DEFINED(__SRAMBASE) ? __SRAMBASE : 0x20000000 ;
+_VBR = 0x0;
+
+ENTRY(start)
+STARTUP(start.o)
+
+MEMORY
+{
+    ram : ORIGIN = 0, LENGTH = 16M
+    sram : ORIGIN = 0x20000000, LENGTH = 64K
+    flash : ORIGIN = 0xFFE00000, LENGTH = 2M
+}
+
+SECTIONS
+{
+    
+    _header_offset = 0;
+    
+    /*
+     * Text, data and bss segments
+     */
+    .text 0x40000 : {
+       
+       *(.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_*);
+
+
+        /*
+         * 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*)
+        KEEP (*(SORT(.rtemsroset.*)))
+        *(.gnu.linkonce.r*)
+        
+        . = ALIGN (16);
+
+        *(.console_gdb_xfer)
+        *(.bootstrap_data)
+        . = ALIGN(16);
+        _estuff = .;
+    PROVIDE (_etext = .);
+    } >ram
+
+    .tdata : {
+        _TLS_Data_begin = .;
+        *(.tdata .tdata.* .gnu.linkonce.td.*)
+        _TLS_Data_end = .;
+    } >ram
+
+    .tbss : {
+        _TLS_BSS_begin = .;
+        *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
+        _TLS_BSS_end = .;
+    } >ram
+
+    _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
+    _TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin;
+    _TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin;
+    _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
+    _TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
+    _TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss));
+        
+        .data : {
+            PROVIDE( _data_dest_start = . );
+            PROVIDE( _copy_start = .);
+            *(.data)
+            KEEP (*(SORT(.rtemsrwset.*)))
+            *(.gnu.linkonce.d*)
+            *(.gcc_except_table*)
+            *(.jcr)
+            . = ALIGN (16);
+            PROVIDE (_edata = .);
+        PROVIDE (_copy_end = .);
+        PROVIDE (_data_dest_end = . );
+        } >ram
+
+        _data_src_start = _estuff;
+        _data_src_end = _data_dest_start + SIZEOF(.data);        
+        
+        .bss : {
+                _clear_start = .;
+                *(.bss*)
+                *(COMMON)
+                . = ALIGN (16);
+                PROVIDE (end = .);
+                _clear_end = .;
+
+                WorkAreaBase = .;
+        } >ram
+  /* 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 = .);  
+}