1 files changed, 72 insertions, 0 deletions
diff --git a/target/linux/coldfire/patches/049-mcfv4e_linker_bss_cleanup.patch b/target/linux/coldfire/patches/049-mcfv4e_linker_bss_cleanup.patch
new file mode 100644
index 0000000000..06a68aa584
--- /dev/null
+++ b/target/linux/coldfire/patches/049-mcfv4e_linker_bss_cleanup.patch
@@ -0,0 +1,72 @@
+From 4e16f08c800d57b986217e0d39d4a06b5bdf641d Mon Sep 17 00:00:00 2001
+From: Kurt Mahan <kmahan@freescale.com>
+Date: Wed, 19 Mar 2008 17:37:44 -0600
+Subject: [PATCH] Move BSS section in linker script and zero it on boot.
+
+To work with the latest round of toolchains the bss section
+in the linker script needed to be moved to the end (due to
+the linker thinking there were overlapping sections).
+
+The BSS section needs to be manually zeroed.
+
+LTIBName: mcfv4e-linker-bss-cleanup
+Signed-off-by: Kurt Mahan <kmahan@freescale.com>
+---
+ arch/m68k/coldfire/head.S         |   11 +++++++++++
+ arch/m68k/coldfire/vmlinux-cf.lds |   11 ++++++++---
+ 2 files changed, 19 insertions(+), 3 deletions(-)
+
+--- a/arch/m68k/coldfire/head.S
++++ b/arch/m68k/coldfire/head.S
+@@ -321,6 +321,17 @@ ENTRY(__start)
+ 	movec   %d0, %acr3
+ 	nop
+ 
++#ifdef CONFIG_COLDFIRE
++/* zero bss */
++	lea	_sbss,%a0
++	lea	_ebss,%a1
++	clrl	%d0
++_loop_bss:
++	movel	%d0,(%a0)+
++	cmpl	%a0,%a1
++	bne	_loop_bss
++#endif
++
+ 	/* If you change the memory size to another value make a matching 
+ 	   change in paging_init(cf-mmu.c) to zones_size[]. */
+ 
+--- a/arch/m68k/coldfire/vmlinux-cf.lds
++++ b/arch/m68k/coldfire/vmlinux-cf.lds
+@@ -51,9 +51,6 @@ SECTIONS
+ 	CONSTRUCTORS
+   } :data
+ 
+-  .bss : AT(ADDR(.bss) - LOAD_OFFSET) {		/* BSS */
+-	*(.bss)
+-  }
+ 
+   . = ALIGN(16);
+   .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET ) {
+@@ -62,6 +59,8 @@ SECTIONS
+ 
+   _edata = .;			/* End of data section */
+ 
++  NOTES				/* support ld --build-id */
++
+   . = ALIGN(8192);		/* Initrd */
+   .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
+   	__init_begin = .;
+@@ -111,6 +110,12 @@ SECTIONS
+ 	*(.data.init_task)	/* The initial task and kernel stack */
+   }
+ 
++  _sbss = .;
++  .bss : AT(ADDR(.bss) - LOAD_OFFSET) {		/* BSS */
++	*(.bss)
++  }
++  _ebss = .;
++
+   _end = . ;
+ 
+   /* Sections to be discarded */