Fix .ld script by copying from PhotonSaw project.

1 files changed, 204 insertions, 182 deletions

diff --git a/firmware/lpc17xx/LPC17xx.ld b/firmware/lpc17xx/LPC17xx.ld
index 4aa5d0c..8f3e8e9 100644
--- a/firmware/lpc17xx/LPC17xx.ld
+++ b/firmware/lpc17xx/LPC17xx.ld
@@ -1,182 +1,204 @@
-/* THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED

-* OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF

-* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.

-* THE AUTHORS SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR

-* CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. USE IT AT YOUR OWN RISK */

-

-MEMORY

-{

-        /* LPC1768 : 512k ROM + 64k SRAM */

-        /*------------------------------ */

-

-	/* On-chip ROM is a readable (r), executable region (x) */

-	/* On-chip SRAM is a readable (r), writable (w) and */

-	/* executable region (x) */

-

-	/* Main ROM region - 512k for LPC1768 */

-	IROM (rx) : ORIGIN = 0x00002000, LENGTH = 512k

-

-	/* local static RAM - 32k for LPC1756 */

-  IRAM0 (rwx) : ORIGIN = 0x10000000, LENGTH = 32k

-

-  /* AHB SRAM - 16k for LPC1756 - often used for USB */

-  IRAM1 (rwx) : ORIGIN = 0x2007C000, LENGTH = 16k

-	IRAM2 (rwx) : ORIGIN = 0x20080000, LENGTH = 16k

-}

-

-/* SECTION command : Define mapping of input sections */

-/* into output sections. */

-

-SECTIONS

-{

-	/******************************************/

-	/* code section */

-

-        /* "normal" code */

-	

-	.text :

-	{

-		KEEP(*(.isr_vector .isr_vector.*))

-		*(.text .text.*)

-		*(.gnu.linkonce.t.*)

-		*(.glue_7)

-		*(.glue_7t)

-		*(.gcc_except_table)

-		*(.rodata .rodata*)

-		*(.gnu.linkonce.r.*)

-	} >IROM

-

-	/******************************************/

-	/* .ctors .dtors are used for c++ constructors/destructors */

-	.ctors :

-	{

-		. = ALIGN(4);

-		PROVIDE(__ctors_start = .);

-		KEEP(*(SORT(.ctors.*)))

-		KEEP(*(.ctors))

-		PROVIDE(__ctors_end = .);

-	} >IROM

-

-	.dtors :

-	{

-		. = ALIGN(4);

-		PROVIDE(__dtors_start = .);

-		KEEP(*(SORT(.dtors.*)))

-		KEEP(*(.dtors))

-		PROVIDE(__dtors_end = .);

-

-		. = ALIGN(4);

-		/* End Of .text section */

-		_etext = .;

-                _sifastcode = .;

-	} >IROM

-	

-        /**************************************************/

-        /* fastcode - copied at startup & executed in RAM */

-

-        .fastcode :

-        {

-          . = ALIGN (4);

-          _sfastcode = . ;

-

-          *(.glue_7t) *(.glue_7)

-          *(.fastcode)

-          

-          /* add other modules here ... */

-

-          . = ALIGN (4);

-          _efastcode = . ;

-          _sidata = .;

-        } >IRAM0 AT>IROM

-

-	/******************************************/

-	/* This used for USB RAM section */

-	.usb_ram (NOLOAD):

-	{

-		*.o (USB_RAM)

-	} > IRAM1

-

-        /******************************************/

-	/* data section */

-	.data :

-  	{

-        	_sidata = LOADADDR (.data);

-  		. = ALIGN(4);

-		_sdata = .;

-

-		*(vtable vtable.*)

-		*(.data .data.*)

-		*(.gnu.linkonce.d*)

-

-		. = ALIGN(4);

-		_edata = . ;

-	} >IRAM0 AT>IROM

-

-	/******************************************/

-	/* For no-init variables section */

-	.bss (NOLOAD) :

-	{

-		. = ALIGN(4);

-		_sbss = . ;

-

-		*(.bss .bss.*)

-		*(.gnu.linkonce.b*)

-		*(COMMON)

-

-		. = ALIGN(4);

-		_ebss = . ;

-	} >IRAM0

-

-	/******************************************/

-	/* For stack section */

-  	.stackarea (NOLOAD) :

-  	{

-	    . = ALIGN(8);

-	    _sstack = .;

-

-		*(.stackarea .stackarea.*)

-

-		. = ALIGN(8);

-		_estack = .;

-

-		. = ALIGN(4);

-		_end = . ;

-		PROVIDE (end = .);

-

-  	} > IRAM0

-

-	/******************************************/

-	/* 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 .gnu.linkonce.wi.*) }

-	.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) }

-}

+/* From: http://ulan.git.sourceforge.net/git/gitweb.cgi?p=ulan/sysless;a=blob;f=board/arm/lpc17xx-common/libs/ldscripts/lpc1768.ld-cfg;h=c37ec2de11b5b3d9667a89257c4ec3acecb09b64;hb=HEAD */
+
+PROVIDE( __bbconf_pt_addr = 0 );
+
+MEMORY
+{
+        /* LPC176[89] : 512 ROM + 32k SRAM + 16k SRAM + 16k SRAM */
+        /*--------------------------------------------------- */
+
+
+        /* Main ROM region - 512k for LPC176[89] */
+        FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 512k
+
+        /* local static RAM - 32k for LPC176[89] */
+        IRAM0 (rwx) : ORIGIN = 0x10000000, LENGTH = 32k
+
+        /* stack location */
+        STACK (rw) : ORIGIN = 0x10000000 + 0x00007FE0 - 4, LENGTH = 4
+
+        /* AHB SRAM - 2x16k for LPC176[89] - often used for USB */
+        USBRAM (rwx) : ORIGIN = 0x2007C000, LENGTH = 4k
+        IRAM1  (rwx) : ORIGIN = 0x2007D000, LENGTH = 28k
+}
+
+/* From: http://ulan.git.sourceforge.net/git/gitweb.cgi?p=ulan/sysless;a=blob;f=board/arm/lpc17xx-common/libs/ldscripts/lpc17xx-base.ld-boot;h=b2c64fa863fba493dfc23aa3a6604851b73e1770;hb=HEAD */
+
+/***********************************************************************/
+/*                                                                     */
+/*  ROM.ld:  Linker Script File                                        */
+/*                                                                     */
+/***********************************************************************/
+
+ENTRY(g_pfnVectors)
+
+/* SECTION command : Define mapping of input sections */
+/* into output sections. */
+
+SECTIONS
+{
+	/******************************************/
+	/* code section */
+
+        /* "normal" code */
+	
+	.text :
+	{
+		KEEP(*(.isr_vector .isr_vector.*))
+		*(.text .text.*)
+		*(.gnu.linkonce.t.*)
+		*(.glue_7)
+		*(.glue_7t)
+		*(.gcc_except_table)
+		*(.rodata .rodata*)
+		*(.gnu.linkonce.r.*)
+	} >FLASH
+
+	/******************************************/
+	/* .ctors .dtors are used for c++ constructors/destructors */
+	.ctors :
+	{
+		. = ALIGN(4);
+		PROVIDE(__ctors_start = .);
+		KEEP(*(SORT(.ctors.*)))
+		KEEP(*(.ctors))
+		PROVIDE(__ctors_end = .);
+	} >FLASH
+
+	.dtors :
+	{
+		. = ALIGN(4);
+		PROVIDE(__dtors_start = .);
+		KEEP(*(SORT(.dtors.*)))
+		KEEP(*(.dtors))
+		PROVIDE(__dtors_end = .);
+
+		. = ALIGN(4);
+		/* End Of .text section */
+		_etext = .;
+                _sifastcode = .;
+	} >FLASH
+	
+        .irqarea (NOLOAD):
+        {
+                . = ALIGN (256);
+                *(.irqarea .irqarea.*)
+
+        } >IRAM0
+
+	/**************************************************/
+        /* fastcode - copied at startup & executed in RAM */
+
+        .fastcode :
+        {
+          . = ALIGN (4);
+          _sfastcode = . ;
+
+          *(.glue_7t) *(.glue_7)
+          *(.fastcode)
+          
+          /* add other modules here ... */
+
+          . = ALIGN (4);
+          _efastcode = . ;
+          _sidata = .;
+        } >IRAM0 AT>FLASH
+
+        /******************************************/
+	/* data section */
+	.data :
+  	{
+        	_sidata = LOADADDR (.data);
+  		. = ALIGN(4);
+		_sdata = .;
+
+		*(vtable vtable.*)
+		*(.data .data.*)
+		*(.gnu.linkonce.d*)
+
+		. = ALIGN(4);
+		_edata = . ;
+	} >IRAM0 AT>FLASH
+
+	/******************************************/
+	/* For no-init variables section */
+	.bss (NOLOAD) :
+	{
+		. = ALIGN(4);
+		_sbss = . ;
+		__bss_start__ = . ;
+
+		*(.bss .bss.*)
+		*(.gnu.linkonce.b*)
+		*(COMMON)
+
+		. = ALIGN(4);
+		_ebss = . ;
+		__bss_end__ = .;
+
+		. = ALIGN(4);
+		_end = . ;
+		PROVIDE (end = .);
+	} >IRAM0
+
+        .stack :
+        {
+             _stack = .;
+        } >STACK
+
+	/******************************************/
+	/* This used for USB RAM section */
+	.usbram (NOLOAD):
+	{
+		_usbram = . ;
+		USB_RAM_ADR = . ;
+		*(.usbram)
+		. = ALIGN(4);
+		_eusbram = . ;
+		_usbram_end = . ;
+	} > USBRAM
+
+	/* Extra RAM */
+	.iram1 (NOLOAD):
+	{
+		_iram = . ;
+		*(.iram1)
+		. = ALIGN(4);
+		_iram_end = . ;
+	} > IRAM1
+
+	/******************************************/
+	/* 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 .gnu.linkonce.wi.*) }
+	.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) }
+}