Merge pull request #1854 from pan-/nrf51_port

RTOS port for NRF51 targets
ARMmbed · Jun 8, 2016 · c9a15d0 · c9a15d0
2 parents 83aec2d + c58198e
commit c9a15d0
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Showing 16 changed files with 433 additions and 75 deletions.
diff --git a/...sis/TARGET_NORDIC/TARGET_MCU_NRF51822/TOOLCHAIN_GCC_ARM/TARGET_MCU_NORDIC_32K/NRF51822.ld b/...sis/TARGET_NORDIC/TARGET_MCU_NRF51822/TOOLCHAIN_GCC_ARM/TARGET_MCU_NORDIC_32K/NRF51822.ld
@@ -124,18 +124,20 @@ SECTIONS
  __bss_end__ = .;
  } > RAM
 
- .heap (COPY):
+ .heap (NOLOAD):
  {
  __end__ = .;
  end = __end__;
+ __HeapBase = .;
  *(.heap*)
+ . = ORIGIN(RAM) + LENGTH(RAM) - Stack_Size;
  __HeapLimit = .;
  } > 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_dummy (NOLOAD):
  {
  *(.stack*)
  } > RAM

diff --git a/...TARGET_NORDIC/TARGET_MCU_NRF51822/TOOLCHAIN_GCC_ARM/TARGET_MCU_NRF51_16K_S110/NRF51822.ld b/...TARGET_NORDIC/TARGET_MCU_NRF51822/TOOLCHAIN_GCC_ARM/TARGET_MCU_NRF51_16K_S110/NRF51822.ld
@@ -124,18 +124,20 @@ SECTIONS
  __bss_end__ = .;
  } > RAM
 
- .heap (COPY):
+ .heap (NOLOAD):
  {
  __end__ = .;
  end = __end__;
+ __HeapBase = .;
  *(.heap*)
+ . = ORIGIN(RAM) + LENGTH(RAM) - Stack_Size;
  __HeapLimit = .;
  } > 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_dummy (NOLOAD):
  {
  *(.stack*)
  } > RAM

diff --git a/...TARGET_NORDIC/TARGET_MCU_NRF51822/TOOLCHAIN_GCC_ARM/TARGET_MCU_NRF51_16K_S130/NRF51822.ld b/...TARGET_NORDIC/TARGET_MCU_NRF51822/TOOLCHAIN_GCC_ARM/TARGET_MCU_NRF51_16K_S130/NRF51822.ld
@@ -124,18 +124,20 @@ SECTIONS
  __bss_end__ = .;
  } > RAM
 
- .heap (COPY):
+ .heap (NOLOAD):
  {
  __end__ = .;
  end = __end__;
+ __HeapBase = .;
  *(.heap*)
+ . = ORIGIN(RAM) + LENGTH(RAM) - Stack_Size;
  __HeapLimit = .;
  } > 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_dummy (NOLOAD):
  {
  *(.stack*)
  } > RAM

diff --git a/hal/targets/cmsis/TARGET_NORDIC/TARGET_MCU_NRF51822/TOOLCHAIN_GCC_ARM/startup_NRF51822.S b/hal/targets/cmsis/TARGET_NORDIC/TARGET_MCU_NRF51822/TOOLCHAIN_GCC_ARM/startup_NRF51822.S
@@ -1,4 +1,4 @@
-/* 
+/*
 Copyright (c) 2013, Nordic Semiconductor ASA
 All rights reserved.
 
@@ -28,8 +28,8 @@ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
-/* 
-NOTE: Template files (including this one) are application specific and therefore 
+/*
+NOTE: Template files (including this one) are application specific and therefore
 expected to be copied into the application project folder prior to its use!
 */
 
@@ -43,6 +43,7 @@ expected to be copied into the application project folder prior to its use!
 #else
  .equ Stack_Size, 2048
 #endif
+ .globl Stack_Size
  .globl __StackTop
  .globl __StackLimit
 __StackLimit:
@@ -53,21 +54,9 @@ __StackTop:
 
  .section .heap
  .align 3
-#ifdef __HEAP_SIZE
- .equ Heap_Size, __HEAP_SIZE
-#else
- .equ Heap_Size, 2048
-#endif
  .globl __HeapBase
  .globl __HeapLimit
-__HeapBase:
- .if Heap_Size
- .space Heap_Size
- .endif
- .size __HeapBase, . - __HeapBase
-__HeapLimit:
- .size __HeapLimit, . - __HeapLimit
-
+
  .section .Vectors
  .align 2
  .globl __Vectors
@@ -129,7 +118,7 @@ __Vectors:
 /* Reset Handler */
 
  .equ NRF_POWER_RAMON_ADDRESS, 0x40000524
- .equ NRF_POWER_RAMON_RAMxON_ONMODE_Msk, 0x3 
+ .equ NRF_POWER_RAMON_RAMxON_ONMODE_Msk, 0x3
 
  .text
  .thumb
@@ -148,7 +137,7 @@ Reset_Handler:
  STR R2, [R0]
 
 /* Loop to copy data from read only memory to RAM. The ranges
- * of copy from/to are specified by following symbols evaluated in 
+ * of copy from/to are specified by following symbols evaluated in
  * linker script.
  * __etext: End of code section, i.e., begin of data sections to copy from.
  * __data_start__/__data_end__: RAM address range that data should be
@@ -167,7 +156,7 @@ Reset_Handler:
  str r0, [r2,r3]
  bgt .LC1
 .LC0:
- 
+
  LDR R0, =SystemInit
  BLX R0
  LDR R0, =_start
@@ -259,4 +248,3 @@ Default_Handler:
 
 
  .end
-