From c88cab4419e3d623d80029842f448fff2940d0a6 Mon Sep 17 00:00:00 2001
From: Wojciech Strozynski <wstrozynski@antmicro.com>
Date: Tue, 2 Feb 2016 08:32:44 +0100
Subject: Added new linker script - ocram

---
 .../devices/MCIMX7D/linker/gcc/MCIMX7D_M4_ocram.ld | 166 +++++++++++++++++++++
 1 file changed, 166 insertions(+)
 create mode 100644 platform/devices/MCIMX7D/linker/gcc/MCIMX7D_M4_ocram.ld

diff --git a/platform/devices/MCIMX7D/linker/gcc/MCIMX7D_M4_ocram.ld b/platform/devices/MCIMX7D/linker/gcc/MCIMX7D_M4_ocram.ld
new file mode 100644
index 0000000..974f4c6
--- /dev/null
+++ b/platform/devices/MCIMX7D/linker/gcc/MCIMX7D_M4_ocram.ld
@@ -0,0 +1,166 @@
+/* Entry Point */
+ENTRY(Reset_Handler)
+
+STACK_SIZE = 0x400;
+HEAP_SIZE = 0x200;
+/* Specify the memory areas */
+MEMORY
+{
+  m_text          (RX)  : ORIGIN = 0x00920000, LENGTH = 0x00020000  //OCRAM_EPDC
+
+  m_data          (RW)  : ORIGIN = 0x20000000, LENGTH = 0x00007FFF  //TCML_U
+}
+
+SECTIONS
+{
+  .interrupts :
+  {
+    __VECTOR_TABLE = .;
+    . = ALIGN(4);
+    KEEP(*(.isr_vector))     /* Startup code */
+    . = ALIGN(4);
+  } > m_text
+
+  __VECTOR_RAM = __VECTOR_TABLE;
+  __RAM_VECTOR_TABLE_SIZE_BYTES = 0x0;
+
+
+  .text :
+  {
+    . = ALIGN(4);
+    *(.text)                 /* .text sections (code) */
+    *(.text*)                /* .text* sections (code) */
+    *(.rodata)               /* .rodata sections (constants, strings, etc.) */
+    *(.rodata*)              /* .rodata* sections (constants, strings, etc.) */
+    *(.glue_7)               /* glue arm to thumb code */
+    *(.glue_7t)              /* glue thumb to arm code */
+    *(.eh_frame)
+    KEEP (*(.init))
+    KEEP (*(.fini))
+    . = ALIGN(4);
+  } > m_text
+
+  .ARM.extab :
+  {
+    *(.ARM.extab* .gnu.linkonce.armextab.*)
+  } > m_text
+
+  .ARM :
+  {
+    __exidx_start = .;
+    *(.ARM.exidx*)
+    __exidx_end = .;
+  } > m_text
+
+ .ctors :
+  {
+    __CTOR_LIST__ = .;
+    /* gcc uses crtbegin.o to find the start of
+       the constructors, 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.  */
+    KEEP (*crtbegin.o(.ctors))
+    KEEP (*crtbegin?.o(.ctors))
+    /* We don't want to include the .ctor section from
+       from the crtend.o file until after the sorted ctors.
+       The .ctor section from the crtend file contains the
+       end of ctors marker and it must be last */
+    KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors))
+    KEEP (*(SORT(.ctors.*)))
+    KEEP (*(.ctors))
+    __CTOR_END__ = .;
+  } > m_text
+
+  .dtors :
+  {
+    __DTOR_LIST__ = .;
+    KEEP (*crtbegin.o(.dtors))
+    KEEP (*crtbegin?.o(.dtors))
+    KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors))
+    KEEP (*(SORT(.dtors.*)))
+    KEEP (*(.dtors))
+    __DTOR_END__ = .;
+  } > m_text
+
+  .preinit_array :
+  {
+    PROVIDE_HIDDEN (__preinit_array_start = .);
+    KEEP (*(.preinit_array*))
+    PROVIDE_HIDDEN (__preinit_array_end = .);
+  } > m_text
+
+  .init_array :
+  {
+    PROVIDE_HIDDEN (__init_array_start = .);
+    KEEP (*(SORT(.init_array.*)))
+    KEEP (*(.init_array*))
+    PROVIDE_HIDDEN (__init_array_end = .);
+  } > m_text
+
+  .fini_array :
+  {
+    PROVIDE_HIDDEN (__fini_array_start = .);
+    KEEP (*(SORT(.fini_array.*)))
+    KEEP (*(.fini_array*))
+    PROVIDE_HIDDEN (__fini_array_end = .);
+  } > m_text
+
+  __etext = .;    /* define a global symbol at end of code */
+  __DATA_ROM = .; /* Symbol is used by startup for data initialization */
+
+  .data : AT(__DATA_ROM)
+  {
+    . = ALIGN(4);
+    __DATA_RAM = .;
+    __data_start__ = .;      /* create a global symbol at data start */
+    *(.data)                 /* .data sections */
+    *(.data*)                /* .data* sections */
+    KEEP(*(.jcr*))
+    . = ALIGN(4);
+    __data_end__ = .;        /* define a global symbol at data end */
+  } > m_data
+
+  __DATA_END = __DATA_ROM + (__data_end__ - __data_start__);
+
+  /* Uninitialized data section */
+  .bss :
+  {
+    /* This is used by the startup in order to initialize the .bss section */
+    . = ALIGN(4);
+    __START_BSS = .;
+    __bss_start__ = .;
+    *(.bss)
+    *(.bss*)
+    *(COMMON)
+    . = ALIGN(4);
+    __bss_end__ = .;
+    __END_BSS = .;
+  } > m_data
+
+  .heap :
+  {
+    . = ALIGN(8);
+    __end__ = .;
+    PROVIDE(end = .);
+    __HeapBase = .;
+    . += HEAP_SIZE;
+    __HeapLimit = .;
+  } > m_data
+    .stack :
+  {
+    . = ALIGN(8);
+    . += STACK_SIZE;
+  } > m_data
+   /* Initializes stack on the end of block */
+  __StackTop   = ORIGIN(m_data) + LENGTH(m_data);
+  __StackLimit = __StackTop - STACK_SIZE;
+  PROVIDE(__stack = __StackTop);
+  .ARM.attributes 0 : { *(.ARM.attributes) }
+
+  ASSERT(__StackLimit >= __HeapLimit, "region m_data overflowed with stack and heap")
+ }
\ No newline at end of file
-- 
cgit v1.2.3