Diff: TARGET_NCS36510/TOOLCHAIN_GCC_ARM/NCS36510.ld

Revision:

156:ff21514d8981

Child:

169:a7c7b631e539

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TARGET_NCS36510/TOOLCHAIN_GCC_ARM/NCS36510.ld	Wed Nov 08 17:18:06 2017 +0000
@@ -0,0 +1,229 @@
+/*
+ * NCS36510 ARM GCC linker script file
+ */
+
+MEMORY {
+    VECTORS (rx)          : ORIGIN = 0x00003000, LENGTH = 0x00000090
+        FLASH (rx)            : ORIGIN = 0x00003090, LENGTH = 320K - 4K - 0x90
+        RAM (rwx)             : ORIGIN = 0x3FFF4090, LENGTH = 48K - 0x90 /* 8_byte_aligned(35 vectors * 4 bytes each) = 0x90 */
+    }
+
+    /* Linker script to place sections and symbol values. Should be used together
+     * with other linker script that defines memory regions FLASH and RAM.
+     * It references following symbols, which must be defined in code:
+     * _reset_init : Entry of reset handler
+     *
+     * It defines following symbols, which code can use without definition:
+     * __exidx_start
+     * __exidx_end
+     * __etext
+     * __data_start__
+     * __preinit_array_start
+     * __preinit_array_end
+     * __init_array_start
+     * __init_array_end
+     * __fini_array_start
+     * __fini_array_end
+     * __data_end__
+     * __bss_start__
+     * __bss_end__
+     * __end__
+     * end
+     * __HeapLimit
+     * __StackLimit
+     * __StackTop
+     * __stack
+     */
+    ENTRY(Reset_Handler)
+
+    SECTIONS {
+.isr_vector :
+    {
+        __vector_table = .;
+        KEEP(*(.vector_table))
+        . = ALIGN(4);
+    } > VECTORS
+
+    /* ensure that uvisor bss is at the beginning of memory */
+    .uvisor.bss (NOLOAD):
+    {
+        . = ALIGN(32);
+        __uvisor_bss_start = .;
+
+        /* protected uvisor main bss */
+        . = ALIGN(32);
+        __uvisor_bss_main_start = .;
+        KEEP(*(.keep.uvisor.bss.main))
+        . = ALIGN(32);
+        __uvisor_bss_main_end = .;
+
+        /* protected uvisor secure boxes bss */
+        . = ALIGN(32);
+        __uvisor_bss_boxes_start = .;
+        KEEP(*(.keep.uvisor.bss.boxes))
+        . = ALIGN(32);
+        __uvisor_bss_boxes_end = .;
+
+        . = ALIGN(32);
+        __uvisor_bss_end = .;
+    } > RAM
+
+.text :
+    {
+        /* uVisor code and data */
+        . = ALIGN(4);
+        __uvisor_main_start = .;
+        *(.uvisor.main)
+        __uvisor_main_end = .;
+
+        *(.text*)
+
+        KEEP(*(.init))
+        KEEP(*(.fini))
+
+        /* .ctors */
+        *crtbegin.o(.ctors)
+        *crtbegin?.o(.ctors)
+        *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
+        *(SORT(.ctors.*))
+        *(.ctors)
+
+        /* .dtors */
+        *crtbegin.o(.dtors)
+        *crtbegin?.o(.dtors)
+        *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
+        *(SORT(.dtors.*))
+        *(.dtors)
+
+        *(.rodata*)
+
+        KEEP(*(.eh_frame*))
+    } > FLASH
+
+.ARM.extab :
+    {
+        *(.ARM.extab* .gnu.linkonce.armextab.*)
+    } > FLASH
+
+.ARM.exidx :
+    {
+        __exidx_start = .;
+        *(.ARM.exidx* .gnu.linkonce.armexidx.*)
+        __exidx_end = .;
+    } > FLASH
+
+.data :
+    {
+        PROVIDE( __etext = LOADADDR(.data) );
+
+        __data_start__ = .;
+        *(vtable)
+        *(.data*)
+
+        . = ALIGN(4);
+        /* preinit data */
+        PROVIDE_HIDDEN (__preinit_array_start = .);
+        KEEP(*(.preinit_array))
+        PROVIDE_HIDDEN (__preinit_array_end = .);
+
+        . = ALIGN(4);
+        /* init data */
+        PROVIDE_HIDDEN (__init_array_start = .);
+        KEEP(*(SORT(.init_array.*)))
+        KEEP(*(.init_array))
+        PROVIDE_HIDDEN (__init_array_end = .);
+
+        . = ALIGN(4);
+        /* finit data */
+        PROVIDE_HIDDEN (__fini_array_start = .);
+        KEEP(*(SORT(.fini_array.*)))
+        KEEP(*(.fini_array))
+        PROVIDE_HIDDEN (__fini_array_end = .);
+
+        /* All data end */
+        . = ALIGN(32);
+        __data_end__ = .;
+
+    } >RAM AT>FLASH
+
+    /* uvisor configuration data */
+.uvisor.secure :
+    {
+        . = ALIGN(32);
+        __uvisor_secure_start = .;
+
+        /* uvisor secure boxes configuration tables */
+        . = ALIGN(32);
+        __uvisor_cfgtbl_start = .;
+        KEEP(*(.keep.uvisor.cfgtbl))
+        . = ALIGN(32);
+        __uvisor_cfgtbl_end = .;
+
+        /* pointers to uvisor secure boxes configuration tables */
+        /* note: no further alignment here, we need to have the exact list of pointers */
+        __uvisor_cfgtbl_ptr_start = .;
+        KEEP(*(.keep.uvisor.cfgtbl_ptr_first))
+        KEEP(*(.keep.uvisor.cfgtbl_ptr))
+        __uvisor_cfgtbl_ptr_end = .;
+
+        /* the following symbols are kept for backward compatibility and will be soon
+         * deprecated; applications actively using uVisor (__uvisor_mode == UVISOR_ENABLED)
+         * will need to use uVisor 0.8.x or above, or the security assetions will halt the
+         * system */
+        /************************/
+        __uvisor_data_src = .;
+        __uvisor_data_start = .;
+        __uvisor_data_end = .;
+        /************************/
+
+        . = ALIGN(32);
+        __uvisor_secure_end = .;
+    } >FLASH
+
+    .uninitialized (NOLOAD):
+    {
+        . = ALIGN(32);
+        __uninitialized_start = .;
+        *(.uninitialized)
+        KEEP(*(.keep.uninitialized))
+        . = ALIGN(32);
+        __uninitialized_end = .;
+    } > RAM
+
+    .bss (NOLOAD):
+    {
+        __bss_start__ = .;
+        *(.bss*)
+        *(COMMON)
+        __bss_end__ = .;
+    } > RAM
+
+    .heap (NOLOAD):
+    {
+        __end__ = .;
+        end = __end__;
+        *(.heap*);
+        . += 0x800;
+        __HeapLimit = .;
+    } > RAM
+    PROVIDE(__heap_size = SIZEOF(.heap));
+    PROVIDE(__mbed_sbrk_start = ADDR(.heap));
+    PROVIDE(__mbed_krbs_start = ADDR(.heap) + SIZEOF(.heap));
+
+    /* .stack section doesn't contains any symbols. It is only
+     * used for linker to reserve space for the main stack section
+     * WARNING: .stack should come immediately after the last secure memory
+     * section.  This provides stack overflow detection. */
+    .stack (NOLOAD):
+    {
+        __StackLimit = .;
+        *(.stack*);
+        . += 0x800 - (. - __StackLimit);
+    } > RAM
+
+    /* Set stack top to end of RAM */
+    __StackTop = ORIGIN(RAM) + LENGTH(RAM);
+    __StackLimit = __StackTop - SIZEOF(.stack);
+    PROVIDE(__stack = __StackTop);
+
+}