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Update stm32l476rg linker scripts for bootloader 

Add MBED_APP_START and MBED_APP_SIZE to the linker scripts
so the start and size of an image can be specified. This allows the
ROM to be split into a bootloader region and an application region.
pull/4469/head
Laurent MEUNIER 2017-03-28 22:16:52 +02:00 committed by Kevin Gilbert
parent 5fbe3299d7
commit 7ec9fe23c1
4 changed files with 40 additions and 10 deletions
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15
targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L476xG/device/TOOLCHAIN_ARM_MICRO/stm32l476xx.sct
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@ -1,3 +1,4 @@
#! armcc -E
; Scatter-Loading Description File
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; Copyright (c) 2015, STMicroelectronics
@ -27,10 +28,18 @@
; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; 1MB FLASH (0x100000) + 128KB SRAM (0x20000)
LR_IROM1 0x08000000 0x100000 { ; load region size_region
#if !defined(MBED_APP_START)
#define MBED_APP_START 0x08000000
#endif
ER_IROM1 0x08000000 0x100000 { ; load address = execution address
#if !defined(MBED_APP_SIZE)
#define MBED_APP_SIZE 0x200000
#endif
; 1MB FLASH (0x100000) + 128KB SRAM (0x20000)
LR_IROM1 MBED_APP_START MBED_APP_SIZE { ; load region size_region
ER_IROM1 MBED_APP_START MBED_APP_SIZE { ; load address = execution address
*.o (RESET, +First)
*(InRoot$$Sections)
.ANY (+RO)

15
targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L476xG/device/TOOLCHAIN_ARM_STD/stm32l476xx.sct
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@ -1,3 +1,4 @@
#! armcc -E
; Scatter-Loading Description File
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; Copyright (c) 2015, STMicroelectronics
@ -27,10 +28,18 @@
; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; 1MB FLASH (0x100000) + 128KB SRAM (0x20000)
LR_IROM1 0x08000000 0x100000 { ; load region size_region
#if !defined(MBED_APP_START)
#define MBED_APP_START 0x08000000
#endif
ER_IROM1 0x08000000 0x100000 { ; load address = execution address
#if !defined(MBED_APP_SIZE)
#define MBED_APP_SIZE 0x200000
#endif
; 1MB FLASH (0x100000) + 128KB SRAM (0x20000)
LR_IROM1 MBED_APP_START MBED_APP_SIZE { ; load region size_region
ER_IROM1 MBED_APP_START MBED_APP_SIZE { ; load address = execution address
*.o (RESET, +First)
*(InRoot$$Sections)
.ANY (+RO)

11
targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L476xG/device/TOOLCHAIN_GCC_ARM/STM32L476XX.ld
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@ -1,7 +1,16 @@
#if !defined(MBED_APP_START)
#define MBED_APP_START 0x08000000
#endif
#if !defined(MBED_APP_SIZE)
#define MBED_APP_SIZE 2048k
#endif
/* Linker script to configure memory regions. */
MEMORY
{
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 1024K
VECTORS (rx) : ORIGIN = MBED_APP_START, LENGTH = 0x400
FLASH (rx) : ORIGIN = MBED_APP_START + 0x400, LENGTH = MBED_APP_SIZE - 0x400
SRAM2 (rwx) : ORIGIN = 0x10000188, LENGTH = 32k - 0x188
SRAM1 (rwx) : ORIGIN = 0x20000000, LENGTH = 96k
}

9
targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L476xG/device/TOOLCHAIN_IAR/stm32l476xx.icf
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@ -1,7 +1,10 @@
if (!isdefinedsymbol(MBED_APP_START)) { define symbol MBED_APP_START = 0x08000000; }
if (!isdefinedsymbol(MBED_APP_SIZE)) { define symbol MBED_APP_SIZE = 0x200000; }
/* [ROM = 1024kb = 0x100000] */
define symbol __intvec_start__ = 0x08000000;
define symbol __region_ROM_start__ = 0x08000000;
define symbol __region_ROM_end__ = 0x080FFFFF;
define symbol __intvec_start__ = MBED_APP_START;
define symbol __region_ROM_start__ = MBED_APP_START;
define symbol __region_ROM_end__ = MBED_APP_START + MBED_APP_SIZE - 1;
/* [RAM = 96kb + 32kb = 0x20000] */
/* Vector table dynamic copy: Total: 98 vectors = 392 bytes (0x188) to be reserved in RAM */