From 250095c7bc783f415b3958b1099216e8953600e7 Mon Sep 17 00:00:00 2001
From: "Nicolas \"Pixel\" Noble" <pixel@nobis-crew.org>
Date: Mon, 24 Jan 2011 22:10:45 +0100
Subject: The heap needs to be anonymous; adding generic __heap_start and
 __heap_end symbols. Also marking the beginning and the end of the rom-to-ram
 sections.

---
 arch/arm/lpc17xx/ldscript     | 15 +++++++++++++++
 arch/arm/lpc17xx/ldscript-mpu | 18 ++++++++++++++++++
 2 files changed, 33 insertions(+)

(limited to 'arch')

diff --git a/arch/arm/lpc17xx/ldscript b/arch/arm/lpc17xx/ldscript
index 0f8fe23..422fe72 100644
--- a/arch/arm/lpc17xx/ldscript
+++ b/arch/arm/lpc17xx/ldscript
@@ -43,6 +43,9 @@ PROVIDE(__cs3_stack_size = __cs3_region_start_ram + __cs3_region_size_ram - _end
 PROVIDE(__cs3_heap_start = _end);
 PROVIDE(__cs3_heap_end = __cs3_region_start_ram + __cs3_region_size_ram);
 
+PROVIDE(__heap_start = __cs3_heap_start);
+PROVIDE(__heap_end = __cs3_heap_end);
+
 SECTIONS
 {
   .text :
@@ -133,6 +136,12 @@ SECTIONS
   __cs3_region_size_rom = LENGTH(rom);
   __cs3_region_num = 1;
 
+  .data_begin :
+  {
+    . = ALIGN(8);
+    __rom_data_begin = .;
+  } > rom
+
   .data :
   {
     __cs3_region_start_ram = .;
@@ -155,6 +164,12 @@ SECTIONS
     _end = .;
     __end = .;
   } >ram AT>rom
+  .data_end :
+  {
+    . = ALIGN(8);
+    __rom_data_end = .;
+  } > rom
+
   /* This used for USB RAM section */
 	.usb_ram (NOLOAD):
 	{
diff --git a/arch/arm/lpc17xx/ldscript-mpu b/arch/arm/lpc17xx/ldscript-mpu
index 3af58a9..df8551c 100644
--- a/arch/arm/lpc17xx/ldscript-mpu
+++ b/arch/arm/lpc17xx/ldscript-mpu
@@ -43,6 +43,11 @@ PROVIDE(__cs3_stack_size = __cs3_region_start_ram + __cs3_region_size_ram - _end
 PROVIDE(__cs3_heap_start = _end);
 PROVIDE(__cs3_heap_end = __cs3_region_start_ram + __cs3_region_size_ram);
 
+PROVIDE(__rom_data_len = __rom_data_end - __rom_data_begin);
+
+PROVIDE(__heap_start = __cs3_heap_start);
+PROVIDE(__heap_end = __cs3_heap_end);
+
 SECTIONS
 {
   .text :
@@ -147,10 +152,17 @@ SECTIONS
   } >rom
   __cs3_region_size_rom = LENGTH(rom);
   __cs3_region_num = 1;
+  
+  .data_begin :
+  {
+    . = ALIGN(8);
+    __rom_data_begin = .;
+  } > rom
 
   .data :
   {
     __cs3_region_start_ram = .;
+    __ram_data_begin = .;
     __privileged_data_start__ = .;
     *( privileged_data )
     __privileged_data_end___len = . - __privileged_data_start__ - 1 ;
@@ -181,6 +193,12 @@ SECTIONS
     _end = .;
     __end = .;
   } >ram AT>rom
+  .data_end :
+  {
+    . = ALIGN(8);
+    __rom_data_end = .;
+  } > rom
+
   /* This used for USB RAM section */
 	.usb_ram (NOLOAD):
 	{
-- 
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