You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@mynewt.apache.org by cc...@apache.org on 2016/11/10 22:39:39 UTC
[32/50] [abbrv] incubator-mynewt-core git commit: MYNEWT-475: BSP
cleanup
MYNEWT-475: BSP cleanup
Modification of stm32f4 linker scripts and bsp.yml files.
Project: http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/commit/c61985b3
Tree: http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/tree/c61985b3
Diff: http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/diff/c61985b3
Branch: refs/heads/master
Commit: c61985b33baed5125acecdd5802e8c3e358ec944
Parents: 0c51338
Author: William San Filippo <wi...@runtime.io>
Authored: Wed Nov 9 09:07:24 2016 -0800
Committer: William San Filippo <wi...@runtime.io>
Committed: Wed Nov 9 09:08:08 2016 -0800
----------------------------------------------------------------------
hw/bsp/nucleo-f401re/boot-nucleo-f401re.ld | 172 +---------------
hw/bsp/nucleo-f401re/bsp.yml | 8 +-
hw/bsp/nucleo-f401re/nucleo-f401re.ld | 188 +-----------------
.../boot-olimex_stm32-e407_devboard.ld | 181 +----------------
hw/bsp/olimex_stm32-e407_devboard/bsp.yml | 8 +-
.../olimex_stm32-e407_devboard.ld | 190 +-----------------
.../stm32f4discovery/boot-stm32f4discovery.ld | 181 +----------------
hw/bsp/stm32f4discovery/bsp.yml | 8 +-
hw/bsp/stm32f4discovery/stm32f4discovery.ld | 190 +-----------------
hw/mcu/stm/stm32f4xx/stm32f401.ld | 199 +++++++++++++++++++
hw/mcu/stm/stm32f4xx/stm32f407.ld | 3 +
11 files changed, 244 insertions(+), 1084 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/c61985b3/hw/bsp/nucleo-f401re/boot-nucleo-f401re.ld
----------------------------------------------------------------------
diff --git a/hw/bsp/nucleo-f401re/boot-nucleo-f401re.ld b/hw/bsp/nucleo-f401re/boot-nucleo-f401re.ld
index 1e476de..aaff5b8 100644
--- a/hw/bsp/nucleo-f401re/boot-nucleo-f401re.ld
+++ b/hw/bsp/nucleo-f401re/boot-nucleo-f401re.ld
@@ -6,7 +6,7 @@
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
- *
+ *
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
@@ -16,177 +16,13 @@
* specific language governing permissions and limitations
* under the License.
*/
-
-/* Linker script for STM32F401 when running the boot loader */
/* Linker script to configure memory regions. */
MEMORY
-{
+{
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 16K
RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 96K
}
-/* 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_Handler : 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
- * __HeapBase
- * __HeapLimit
- * __StackLimit
- * __StackTop
- * __stack
- * __coredata_start__
- * __coredata_end__
- * __corebss_start__
- * __corebss_end__
- * __ecoredata
- * __ecorebss
- */
-ENTRY(Reset_Handler)
-
-SECTIONS
-{
- .text :
- {
- __vector_tbl_reloc__ = .;
- KEEP(*(.isr_vector))
- *(.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
-
- __exidx_start = .;
- .ARM.exidx :
- {
- *(.ARM.exidx* .gnu.linkonce.armexidx.*)
- } > FLASH
-
- __exidx_end = .;
-
- . = ALIGN(8);
- __etext = .;
-
- .coredata : AT (__etext)
- {
- __coredata_start__ = .;
- *(.data.core)
- . = ALIGN(8);
- __coredata_end__ = .;
- } > RAM
-
- __ecoredata = __etext + SIZEOF(.coredata);
-
- .data : AT (__ecoredata)
- {
- __data_start__ = .;
- *(vtable)
- *(.data*)
-
- /* 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 = .);
-
- KEEP(*(.jcr*))
- . = ALIGN(4);
- /* All data end */
- __data_end__ = .;
-
- } > RAM
-
- .corebss (NOLOAD):
- {
- . = ALIGN(4);
- __corebss_start__ = .;
- *(.bss.core)
- . = ALIGN(4);
- __corebss_end__ = .;
- *(.corebss*)
- *(.bss.core.nz)
- . = ALIGN(4);
- __ecorebss = .;
- } > RAM
-
- .bss :
- {
- . = ALIGN(4);
- __bss_start__ = .;
- *(.bss*)
- *(COMMON)
- . = ALIGN(4);
- __bss_end__ = .;
- } > RAM
-
- __HeapBase = .;
- __HeapLimit = ORIGIN(RAM) + LENGTH(RAM);
-
- /* .stack_dummy section doesn't contains any symbols. It is only
- * used for linker to calculate size of stack sections, and assign
- * values to stack symbols later */
- .stack_dummy (COPY):
- {
- *(.stack*)
- } > RAM
-
- /* Set stack top to end of RAM; stack limit is bottom of stack */
- __StackTop = ORIGIN(RAM) + LENGTH(RAM);
- __StackLimit = __StackTop - SIZEOF(.stack_dummy);
- PROVIDE(__stack = __StackTop);
-}
-
+/* The bootloader does not contain an image header */
+_imghdr_size = 0x0;
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/c61985b3/hw/bsp/nucleo-f401re/bsp.yml
----------------------------------------------------------------------
diff --git a/hw/bsp/nucleo-f401re/bsp.yml b/hw/bsp/nucleo-f401re/bsp.yml
index 52f2dbc..cd4a8c6 100644
--- a/hw/bsp/nucleo-f401re/bsp.yml
+++ b/hw/bsp/nucleo-f401re/bsp.yml
@@ -19,8 +19,12 @@
bsp.arch: cortex_m4
bsp.compiler: compiler/arm-none-eabi-m4
-bsp.linkerscript: "nucleo-f401re.ld"
-bsp.linkerscript.BOOT_LOADER.OVERWRITE: "boot-nucleo-f401re.ld"
+bsp.linkerscript:
+ - "nucleo-f401re.ld"
+ - "@apache-mynewt-core/hw/mcu/stm/stm32f4xx/stm32f401.ld"
+bsp.linkerscript.BOOT_LOADER.OVERWRITE:
+ - "boot-nucleo-f401re.ld"
+ - "@apache-mynewt-core/hw/mcu/stm/stm32f4xx/stm32f401.ld"
bsp.downloadscript: "nucleo-f401re_download.sh"
bsp.debugscript: "nucleo-f401re_debug.sh"
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/c61985b3/hw/bsp/nucleo-f401re/nucleo-f401re.ld
----------------------------------------------------------------------
diff --git a/hw/bsp/nucleo-f401re/nucleo-f401re.ld b/hw/bsp/nucleo-f401re/nucleo-f401re.ld
index 54f884a..692dc27 100644
--- a/hw/bsp/nucleo-f401re/nucleo-f401re.ld
+++ b/hw/bsp/nucleo-f401re/nucleo-f401re.ld
@@ -6,7 +6,7 @@
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
- *
+ *
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
@@ -16,193 +16,13 @@
* specific language governing permissions and limitations
* under the License.
*/
-
-/* Linker script for STM32F401 when running from flash and using the bootloader */
/* Linker script to configure memory regions. */
MEMORY
-{
+{
FLASH (rx) : ORIGIN = 0x08020000, LENGTH = 128K /* First image slot. */
RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 96K
}
-/* 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_Handler : 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
- * __HeapBase
- * __HeapLimit
- * __StackLimit
- * __StackTop
- * __stack
- * __coredata_start__
- * __coredata_end__
- * __corebss_start__
- * __corebss_end__
- * __ecoredata
- * __ecorebss
- */
-ENTRY(Reset_Handler)
-
-SECTIONS
-{
- /* Reserve space at the start of the image for the header. */
- .imghdr (NOLOAD):
- {
- . = . + 0x20;
- } > FLASH
-
- .text :
- {
- __isr_vector_start = .;
- KEEP(*(.isr_vector))
- __isr_vector_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
-
- __exidx_start = .;
- .ARM.exidx :
- {
- *(.ARM.exidx* .gnu.linkonce.armexidx.*)
- } > FLASH
-
- __exidx_end = .;
-
- __etext = .;
-
- .vector_relocation :
- {
- . = ALIGN(4);
- __vector_tbl_reloc__ = .;
- . = . + (__isr_vector_end - __isr_vector_start);
- . = ALIGN(4);
- } > RAM
-
- .coredata : AT (__etext)
- {
- __coredata_start__ = .;
- *(.data.core)
- . = ALIGN(4);
- __coredata_end__ = .;
- } > RAM
-
- __ecoredata = __etext + SIZEOF(.coredata);
-
- .data : AT (__ecoredata)
- {
- __data_start__ = .;
- *(vtable)
- *(.data*)
-
- /* 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 = .);
-
- KEEP(*(.jcr*))
- . = ALIGN(4);
- /* All data end */
- __data_end__ = .;
-
- } > RAM
-
- .corebss (NOLOAD):
- {
- . = ALIGN(4);
- __corebss_start__ = .;
- *(.bss.core)
- . = ALIGN(4);
- __corebss_end__ = .;
- *(.corebss*)
- *(.bss.core.nz)
- . = ALIGN(4);
- __ecorebss = .;
- } > RAM
-
- .bss :
- {
- . = ALIGN(4);
- __bss_start__ = .;
- *(.bss*)
- *(COMMON)
- . = ALIGN(4);
- __bss_end__ = .;
- } > RAM
-
- __HeapBase = .;
- __HeapLimit = ORIGIN(RAM) + LENGTH(RAM);
-
- _ram_start = ORIGIN(RAM);
-
- /* .stack_dummy section doesn't contains any symbols. It is only
- * used for linker to calculate size of stack sections, and assign
- * values to stack symbols later */
- .stack_dummy (COPY):
- {
- *(.stack*)
- } > RAM
-
- /* Set stack top to end of RAM; stack limit is bottom of stack */
- __StackTop = ORIGIN(RAM) + LENGTH(RAM);
- __StackLimit = __StackTop - SIZEOF(.stack_dummy);
- PROVIDE(__stack = __StackTop);
-}
-
+/* This linker script is used for images and thus contains an image header */
+_imghdr_size = 0x20;
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/c61985b3/hw/bsp/olimex_stm32-e407_devboard/boot-olimex_stm32-e407_devboard.ld
----------------------------------------------------------------------
diff --git a/hw/bsp/olimex_stm32-e407_devboard/boot-olimex_stm32-e407_devboard.ld b/hw/bsp/olimex_stm32-e407_devboard/boot-olimex_stm32-e407_devboard.ld
index a20252c..342de6a 100755
--- a/hw/bsp/olimex_stm32-e407_devboard/boot-olimex_stm32-e407_devboard.ld
+++ b/hw/bsp/olimex_stm32-e407_devboard/boot-olimex_stm32-e407_devboard.ld
@@ -6,7 +6,7 @@
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
- *
+ *
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
@@ -16,187 +16,14 @@
* specific language governing permissions and limitations
* under the License.
*/
-
-/* Linker script for STM32F407 when running code from SRAM */
/* Linker script to configure memory regions. */
MEMORY
-{
+{
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 32K
CCM (rwx) : ORIGIN = 0x10000000, LENGTH = 64K
RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 128K
}
-/* 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_Handler : 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
- * __HeapBase
- * __HeapLimit
- * __StackLimit
- * __StackTop
- * __stack
- * __coredata_start__
- * __coredata_end__
- * __corebss_start__
- * __corebss_end__
- * __ecoredata
- * __ecorebss
- */
-ENTRY(Reset_Handler)
-
-SECTIONS
-{
- .text :
- {
- __vector_tbl_reloc__ = .;
- KEEP(*(.isr_vector))
- *(.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
-
- __exidx_start = .;
- .ARM.exidx :
- {
- *(.ARM.exidx* .gnu.linkonce.armexidx.*)
- } > FLASH
-
- __exidx_end = .;
-
- . = ALIGN(8);
- __etext = .;
-
- .coredata : AT (__etext)
- {
- __coredata_start__ = .;
- *(.data.core)
- . = ALIGN(8);
- __coredata_end__ = .;
- } > CCM
-
- __ecoredata = __etext + SIZEOF(.coredata);
-
- /* This section is here so that the start of .data has the same VMA and LMA */
- .ram_coredata (NOLOAD):
- {
- . = . + SIZEOF(.coredata);
- } > RAM
-
- .data : AT (__ecoredata)
- {
- __data_start__ = .;
- *(vtable)
- *(.data*)
-
- /* 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 = .);
-
- KEEP(*(.jcr*))
- . = ALIGN(4);
- /* All data end */
- __data_end__ = .;
-
- } > RAM
-
- .corebss (NOLOAD):
- {
- . = ALIGN(4);
- __corebss_start__ = .;
- *(.bss.core)
- . = ALIGN(4);
- __corebss_end__ = .;
- *(.corebss*)
- *(.bss.core.nz)
- . = ALIGN(4);
- __ecorebss = .;
- } > CCM
-
- .bss :
- {
- . = ALIGN(4);
- __bss_start__ = .;
- *(.bss*)
- *(COMMON)
- . = ALIGN(4);
- __bss_end__ = .;
- } > RAM
-
- __HeapBase = .;
- __HeapLimit = ORIGIN(RAM) + LENGTH(RAM);
-
- /* .stack_dummy section doesn't contains any symbols. It is only
- * used for linker to calculate size of stack sections, and assign
- * values to stack symbols later */
- .stack_dummy (COPY):
- {
- *(.stack*)
- } > CCM
-
- /* Set stack top to end of CCM; stack limit is bottom of stack */
- __StackTop = ORIGIN(CCM) + LENGTH(CCM);
- __StackLimit = __StackTop - SIZEOF(.stack_dummy);
- PROVIDE(__stack = __StackTop);
-
- /* Check for CCM overflow */
- ASSERT(__StackLimit >= __ecorebss, "CCM overflow!")
-}
-
+/* The bootloader does not contain an image header */
+_imghdr_size = 0x0;
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/c61985b3/hw/bsp/olimex_stm32-e407_devboard/bsp.yml
----------------------------------------------------------------------
diff --git a/hw/bsp/olimex_stm32-e407_devboard/bsp.yml b/hw/bsp/olimex_stm32-e407_devboard/bsp.yml
index 2c7c41c..c623c75 100644
--- a/hw/bsp/olimex_stm32-e407_devboard/bsp.yml
+++ b/hw/bsp/olimex_stm32-e407_devboard/bsp.yml
@@ -19,8 +19,12 @@
bsp.arch: cortex_m4
bsp.compiler: compiler/arm-none-eabi-m4
-bsp.linkerscript: "olimex_stm32-e407_devboard.ld"
-bsp.linkerscript.BOOT_LOADER.OVERWRITE: "boot-olimex_stm32-e407_devboard.ld"
+bsp.linkerscript:
+ - "olimex_stm32-e407_devboard.ld"
+ - "@apache-mynewt-core/hw/mcu/stm/stm32f4xx/stm32f407.ld"
+bsp.linkerscript.BOOT_LOADER.OVERWRITE:
+ - "boot-olimex_stm32-e407_devboard.ld"
+ - "@apache-mynewt-core/hw/mcu/stm/stm32f4xx/stm32f407.ld"
bsp.downloadscript: "olimex_stm32-e407_devboard_download.sh"
bsp.debugscript: "olimex_stm32-e407_devboard_debug.sh"
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/c61985b3/hw/bsp/olimex_stm32-e407_devboard/olimex_stm32-e407_devboard.ld
----------------------------------------------------------------------
diff --git a/hw/bsp/olimex_stm32-e407_devboard/olimex_stm32-e407_devboard.ld b/hw/bsp/olimex_stm32-e407_devboard/olimex_stm32-e407_devboard.ld
index 5870a3e..3382dcc 100755
--- a/hw/bsp/olimex_stm32-e407_devboard/olimex_stm32-e407_devboard.ld
+++ b/hw/bsp/olimex_stm32-e407_devboard/olimex_stm32-e407_devboard.ld
@@ -6,7 +6,7 @@
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
- *
+ *
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
@@ -21,193 +21,11 @@
/* Linker script to configure memory regions. */
MEMORY
-{
+{
FLASH (rx) : ORIGIN = 0x08020000, LENGTH = 384K /* First image slot. */
CCM (rwx) : ORIGIN = 0x10000000, LENGTH = 64K
RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 128K
}
-/* 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_Handler : 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
- * __HeapBase
- * __HeapLimit
- * __StackLimit
- * __StackTop
- * __stack
- * __coredata_start__
- * __coredata_end__
- * __corebss_start__
- * __corebss_end__
- * __ecoredata
- * __ecorebss
- */
-ENTRY(Reset_Handler)
-
-SECTIONS
-{
- /* Reserve space at the start of the image for the header. */
- .imghdr (NOLOAD):
- {
- . = . + 0x20;
- } > FLASH
-
- .text :
- {
- __isr_vector_start = .;
- KEEP(*(.isr_vector))
- __isr_vector_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
-
- __exidx_start = .;
- .ARM.exidx :
- {
- *(.ARM.exidx* .gnu.linkonce.armexidx.*)
- } > FLASH
-
- __exidx_end = .;
-
- __etext = .;
-
- .vector_relocation :
- {
- . = ALIGN(4);
- __vector_tbl_reloc__ = .;
- . = . + (__isr_vector_end - __isr_vector_start);
- . = ALIGN(4);
- } > RAM
-
- .coredata : AT (__etext)
- {
- __coredata_start__ = .;
- *(.data.core)
- . = ALIGN(4);
- __coredata_end__ = .;
- } > CCM
-
- __ecoredata = __etext + SIZEOF(.coredata);
-
- .data : AT (__ecoredata)
- {
- __data_start__ = .;
- *(vtable)
- *(.data*)
-
- /* 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 = .);
-
- KEEP(*(.jcr*))
- . = ALIGN(4);
- /* All data end */
- __data_end__ = .;
-
- } > RAM
-
- .corebss (NOLOAD):
- {
- . = ALIGN(4);
- __corebss_start__ = .;
- *(.bss.core)
- . = ALIGN(4);
- __corebss_end__ = .;
- *(.corebss*)
- *(.bss.core.nz)
- . = ALIGN(4);
- __ecorebss = .;
- } > CCM
-
- .bss :
- {
- . = ALIGN(4);
- __bss_start__ = .;
- *(.bss*)
- *(COMMON)
- . = ALIGN(4);
- __bss_end__ = .;
- } > RAM
-
- __HeapBase = .;
- __HeapLimit = ORIGIN(RAM) + LENGTH(RAM);
-
- _ram_start = ORIGIN(RAM);
- _ccram_start = ORIGIN(CCM);
-
- /* .stack_dummy section doesn't contains any symbols. It is only
- * used for linker to calculate size of stack sections, and assign
- * values to stack symbols later */
- .stack_dummy (COPY):
- {
- *(.stack*)
- } > CCM
-
- /* Set stack top to end of CCM; stack limit is bottom of stack */
- __StackTop = ORIGIN(CCM) + LENGTH(CCM);
- __StackLimit = __StackTop - SIZEOF(.stack_dummy);
- PROVIDE(__stack = __StackTop);
-
- /* Check for CCM overflow */
- ASSERT(__StackLimit >= __ecorebss, "CCM overflow!")
-}
-
+/* This linker script is used for images and thus contains an image header */
+_imghdr_size = 0x20;
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/c61985b3/hw/bsp/stm32f4discovery/boot-stm32f4discovery.ld
----------------------------------------------------------------------
diff --git a/hw/bsp/stm32f4discovery/boot-stm32f4discovery.ld b/hw/bsp/stm32f4discovery/boot-stm32f4discovery.ld
index a20252c..342de6a 100644
--- a/hw/bsp/stm32f4discovery/boot-stm32f4discovery.ld
+++ b/hw/bsp/stm32f4discovery/boot-stm32f4discovery.ld
@@ -6,7 +6,7 @@
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
- *
+ *
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
@@ -16,187 +16,14 @@
* specific language governing permissions and limitations
* under the License.
*/
-
-/* Linker script for STM32F407 when running code from SRAM */
/* Linker script to configure memory regions. */
MEMORY
-{
+{
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 32K
CCM (rwx) : ORIGIN = 0x10000000, LENGTH = 64K
RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 128K
}
-/* 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_Handler : 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
- * __HeapBase
- * __HeapLimit
- * __StackLimit
- * __StackTop
- * __stack
- * __coredata_start__
- * __coredata_end__
- * __corebss_start__
- * __corebss_end__
- * __ecoredata
- * __ecorebss
- */
-ENTRY(Reset_Handler)
-
-SECTIONS
-{
- .text :
- {
- __vector_tbl_reloc__ = .;
- KEEP(*(.isr_vector))
- *(.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
-
- __exidx_start = .;
- .ARM.exidx :
- {
- *(.ARM.exidx* .gnu.linkonce.armexidx.*)
- } > FLASH
-
- __exidx_end = .;
-
- . = ALIGN(8);
- __etext = .;
-
- .coredata : AT (__etext)
- {
- __coredata_start__ = .;
- *(.data.core)
- . = ALIGN(8);
- __coredata_end__ = .;
- } > CCM
-
- __ecoredata = __etext + SIZEOF(.coredata);
-
- /* This section is here so that the start of .data has the same VMA and LMA */
- .ram_coredata (NOLOAD):
- {
- . = . + SIZEOF(.coredata);
- } > RAM
-
- .data : AT (__ecoredata)
- {
- __data_start__ = .;
- *(vtable)
- *(.data*)
-
- /* 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 = .);
-
- KEEP(*(.jcr*))
- . = ALIGN(4);
- /* All data end */
- __data_end__ = .;
-
- } > RAM
-
- .corebss (NOLOAD):
- {
- . = ALIGN(4);
- __corebss_start__ = .;
- *(.bss.core)
- . = ALIGN(4);
- __corebss_end__ = .;
- *(.corebss*)
- *(.bss.core.nz)
- . = ALIGN(4);
- __ecorebss = .;
- } > CCM
-
- .bss :
- {
- . = ALIGN(4);
- __bss_start__ = .;
- *(.bss*)
- *(COMMON)
- . = ALIGN(4);
- __bss_end__ = .;
- } > RAM
-
- __HeapBase = .;
- __HeapLimit = ORIGIN(RAM) + LENGTH(RAM);
-
- /* .stack_dummy section doesn't contains any symbols. It is only
- * used for linker to calculate size of stack sections, and assign
- * values to stack symbols later */
- .stack_dummy (COPY):
- {
- *(.stack*)
- } > CCM
-
- /* Set stack top to end of CCM; stack limit is bottom of stack */
- __StackTop = ORIGIN(CCM) + LENGTH(CCM);
- __StackLimit = __StackTop - SIZEOF(.stack_dummy);
- PROVIDE(__stack = __StackTop);
-
- /* Check for CCM overflow */
- ASSERT(__StackLimit >= __ecorebss, "CCM overflow!")
-}
-
+/* The bootloader does not contain an image header */
+_imghdr_size = 0x0;
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/c61985b3/hw/bsp/stm32f4discovery/bsp.yml
----------------------------------------------------------------------
diff --git a/hw/bsp/stm32f4discovery/bsp.yml b/hw/bsp/stm32f4discovery/bsp.yml
index f3962e0..cbfc1d4 100644
--- a/hw/bsp/stm32f4discovery/bsp.yml
+++ b/hw/bsp/stm32f4discovery/bsp.yml
@@ -19,8 +19,12 @@
bsp.arch: cortex_m4
bsp.compiler: compiler/arm-none-eabi-m4
-bsp.linkerscript: "stm32f4discovery.ld"
-bsp.linkerscript.BOOT_LOADER.OVERWRITE: "boot-stm32f4discovery.ld"
+bsp.linkerscript:
+ - "stm32f4discovery.ld"
+ - "@apache-mynewt-core/hw/mcu/stm/stm32f4xx/stm32f407.ld"
+bsp.linkerscript.BOOT_LOADER.OVERWRITE:
+ - "boot-stm32f4discovery.ld"
+ - "@apache-mynewt-core/hw/mcu/stm/stm32f4xx/stm32f407.ld"
bsp.downloadscript: "stm32f4discovery_download.sh"
bsp.debugscript: "stm32f4discovery_debug.sh"
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/c61985b3/hw/bsp/stm32f4discovery/stm32f4discovery.ld
----------------------------------------------------------------------
diff --git a/hw/bsp/stm32f4discovery/stm32f4discovery.ld b/hw/bsp/stm32f4discovery/stm32f4discovery.ld
index f3d1abd..3382dcc 100644
--- a/hw/bsp/stm32f4discovery/stm32f4discovery.ld
+++ b/hw/bsp/stm32f4discovery/stm32f4discovery.ld
@@ -6,7 +6,7 @@
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
- *
+ *
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
@@ -21,193 +21,11 @@
/* Linker script to configure memory regions. */
MEMORY
-{
+{
FLASH (rx) : ORIGIN = 0x08020000, LENGTH = 384K /* First image slot. */
CCM (rwx) : ORIGIN = 0x10000000, LENGTH = 64K
RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 128K
}
-/* 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_Handler : 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
- * __HeapBase
- * __HeapLimit
- * __StackLimit
- * __StackTop
- * __stack
- * __coredata_start__
- * __coredata_end__
- * __corebss_start__
- * __corebss_end__
- * __ecoredata
- * __ecorebss
- */
-ENTRY(Reset_Handler)
-
-SECTIONS
-{
- /* Reserve space at the start of the image for the header. */
- .imghdr (NOLOAD):
- {
- . = . + 0x20;
- } > FLASH
-
- .text :
- {
- __isr_vector_start = .;
- KEEP(*(.isr_vector))
- __isr_vector_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
-
- __exidx_start = .;
- .ARM.exidx :
- {
- *(.ARM.exidx* .gnu.linkonce.armexidx.*)
- } > FLASH
-
- __exidx_end = .;
-
- __etext = .;
-
- .vector_relocation :
- {
- . = ALIGN(4);
- __vector_tbl_reloc__ = .;
- . = . + (__isr_vector_end - __isr_vector_start);
- . = ALIGN(4);
- } > RAM
-
- .coredata : AT (__etext)
- {
- __coredata_start__ = .;
- *(.data.core)
- . = ALIGN(4);
- __coredata_end__ = .;
- } > CCM
-
- __ecoredata = __etext + SIZEOF(.coredata);
-
- .data : AT (__ecoredata)
- {
- __data_start__ = .;
- *(vtable)
- *(.data*)
-
- /* 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 = .);
-
- KEEP(*(.jcr*))
- . = ALIGN(4);
- /* All data end */
- __data_end__ = .;
-
- } > RAM
-
- .corebss (NOLOAD):
- {
- . = ALIGN(4);
- __corebss_start__ = .;
- *(.bss.core)
- . = ALIGN(4);
- __corebss_end__ = .;
- *(.corebss*)
- *(.bss.core.nz)
- . = ALIGN(4);
- __ecorebss = .;
- } > CCM
-
- .bss :
- {
- . = ALIGN(4);
- __bss_start__ = .;
- *(.bss*)
- *(COMMON)
- . = ALIGN(4);
- __bss_end__ = .;
- } > RAM
-
- __HeapBase = .;
- __HeapLimit = ORIGIN(RAM) + LENGTH(RAM);
-
- _ram_start = ORIGIN(RAM);
- _ccram_start = ORIGIN(CCRAM);
-
- /* .stack_dummy section doesn't contains any symbols. It is only
- * used for linker to calculate size of stack sections, and assign
- * values to stack symbols later */
- .stack_dummy (COPY):
- {
- *(.stack*)
- } > CCM
-
- /* Set stack top to end of CCM; stack limit is bottom of stack */
- __StackTop = ORIGIN(CCM) + LENGTH(CCM);
- __StackLimit = __StackTop - SIZEOF(.stack_dummy);
- PROVIDE(__stack = __StackTop);
-
- /* Check for CCM overflow */
- ASSERT(__StackLimit >= __ecorebss, "CCM overflow!")
-}
-
+/* This linker script is used for images and thus contains an image header */
+_imghdr_size = 0x20;
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/c61985b3/hw/mcu/stm/stm32f4xx/stm32f401.ld
----------------------------------------------------------------------
diff --git a/hw/mcu/stm/stm32f4xx/stm32f401.ld b/hw/mcu/stm/stm32f4xx/stm32f401.ld
new file mode 100644
index 0000000..3533cfb
--- /dev/null
+++ b/hw/mcu/stm/stm32f4xx/stm32f401.ld
@@ -0,0 +1,199 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/* 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_Handler : 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
+ * __HeapBase
+ * __HeapLimit
+ * __StackLimit
+ * __StackTop
+ * __stack
+ * __coredata_start__
+ * __coredata_end__
+ * __corebss_start__
+ * __corebss_end__
+ * __ecoredata
+ * __ecorebss
+ */
+ENTRY(Reset_Handler)
+
+SECTIONS
+{
+ /* Reserve space at the start of the image for the header. */
+ .imghdr (NOLOAD):
+ {
+ . = . + _imghdr_size;
+ } > FLASH
+
+ .text :
+ {
+ __isr_vector_start = .;
+ KEEP(*(.isr_vector))
+ __isr_vector_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
+
+ __exidx_start = .;
+ .ARM.exidx :
+ {
+ *(.ARM.exidx* .gnu.linkonce.armexidx.*)
+ } > FLASH
+
+ __exidx_end = .;
+
+ __etext = .;
+
+ .vector_relocation :
+ {
+ . = ALIGN(4);
+ __vector_tbl_reloc__ = .;
+ . = . + (__isr_vector_end - __isr_vector_start);
+ . = ALIGN(4);
+ } > RAM
+
+ .coredata : AT (__etext)
+ {
+ __coredata_start__ = .;
+ *(.data.core)
+ . = ALIGN(4);
+ __coredata_end__ = .;
+ } > RAM
+
+ __ecoredata = __etext + SIZEOF(.coredata);
+
+ .data : AT (__ecoredata)
+ {
+ __data_start__ = .;
+ *(vtable)
+ *(.data*)
+
+ /* 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 = .);
+
+ KEEP(*(.jcr*))
+ . = ALIGN(4);
+ /* All data end */
+ __data_end__ = .;
+
+ } > RAM
+
+ .corebss (NOLOAD):
+ {
+ . = ALIGN(4);
+ __corebss_start__ = .;
+ *(.bss.core)
+ . = ALIGN(4);
+ __corebss_end__ = .;
+ *(.corebss*)
+ *(.bss.core.nz)
+ . = ALIGN(4);
+ __ecorebss = .;
+ } > RAM
+
+ .bss :
+ {
+ . = ALIGN(4);
+ __bss_start__ = .;
+ *(.bss*)
+ *(COMMON)
+ . = ALIGN(4);
+ __bss_end__ = .;
+ } > RAM
+
+ __HeapBase = .;
+ __HeapLimit = ORIGIN(RAM) + LENGTH(RAM);
+
+ _ram_start = ORIGIN(RAM);
+
+ /* .stack_dummy section doesn't contains any symbols. It is only
+ * used for linker to calculate size of stack sections, and assign
+ * values to stack symbols later */
+ .stack_dummy (COPY):
+ {
+ *(.stack*)
+ } > RAM
+
+ /* Set stack top to end of RAM; stack limit is bottom of stack */
+ __StackTop = ORIGIN(RAM) + LENGTH(RAM);
+ __StackLimit = __StackTop - SIZEOF(.stack_dummy);
+ PROVIDE(__stack = __StackTop);
+}
+
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/c61985b3/hw/mcu/stm/stm32f4xx/stm32f407.ld
----------------------------------------------------------------------
diff --git a/hw/mcu/stm/stm32f4xx/stm32f407.ld b/hw/mcu/stm/stm32f4xx/stm32f407.ld
index f193bf5..1d06f76 100644
--- a/hw/mcu/stm/stm32f4xx/stm32f407.ld
+++ b/hw/mcu/stm/stm32f4xx/stm32f407.ld
@@ -181,6 +181,9 @@ SECTIONS
__HeapBase = .;
__HeapLimit = ORIGIN(RAM) + LENGTH(RAM);
+ _ram_start = ORIGIN(RAM);
+ _ccram_start = ORIGIN(CCM);
+
/* .stack_dummy section doesn't contains any symbols. It is only
* used for linker to calculate size of stack sections, and assign
* values to stack symbols later */