sergiotarxz/nuttx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

arch/arm/src/lpc17xx: Add support for ARMv7-M run time stack checking on NXP LPC17xx MCUs based on CONFIG_ARMV7M_STACKCHECK. Basically copied from stm32.

Browse Source
This commit is contained in:
Michael Jung 2018-05-06 07:06:52 -06:00 committed by Gregory Nutt
parent a9f96ebdad
commit 3acffb0c5c
3 changed files with 17 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/arm/Kconfig
View File

@ -149,6 +149,7 @@ config ARCH_CHIP_LPC17XX
select ARCH_HAVE_MPU select ARCH_HAVE_MPU
select ARM_HAVE_MPU_UNIFIED select ARM_HAVE_MPU_UNIFIED
select ARCH_HAVE_FETCHADD select ARCH_HAVE_FETCHADD
select ARMV7M_HAVE_STACKCHECK
---help--- ---help---
NXP LPC17xx architectures (ARM Cortex-M3) NXP LPC17xx architectures (ARM Cortex-M3)

4
arch/arm/src/lpc17xx/Make.defs
View File

@ -57,6 +57,10 @@ CMN_CSRCS += up_releasestack.c up_reprioritizertr.c up_schedulesigaction.c
CMN_CSRCS += up_sigdeliver.c up_stackframe.c up_unblocktask.c up_usestack.c CMN_CSRCS += up_sigdeliver.c up_stackframe.c up_unblocktask.c up_usestack.c
CMN_CSRCS += up_doirq.c up_hardfault.c up_svcall.c up_checkstack.c up_vfork.c CMN_CSRCS += up_doirq.c up_hardfault.c up_svcall.c up_checkstack.c up_vfork.c
ifeq ($(CONFIG_ARMV7M_STACKCHECK),y)
CMN_CSRCS += up_stackcheck.c
endif
ifeq ($(CONFIG_ARMV7M_CMNVECTOR),y) ifeq ($(CONFIG_ARMV7M_CMNVECTOR),y)
ifeq ($(CONFIG_ARMV7M_LAZYFPU),y) ifeq ($(CONFIG_ARMV7M_LAZYFPU),y)
CMN_ASRCS += up_lazyexception.S CMN_ASRCS += up_lazyexception.S

12
arch/arm/src/lpc17xx/lpc17_start.c
View File

@ -171,6 +171,12 @@ static inline void lpc17_fpuconfig(void)
* Public Functions * Public Functions
****************************************************************************/ ****************************************************************************/
#ifdef CONFIG_ARMV7M_STACKCHECK
/* we need to get r10 set before we can allow instrumentation calls */
void __start(void) __attribute__ ((no_instrument_function));
#endif
/**************************************************************************** /****************************************************************************
* Name: _start * Name: _start
* *
@ -184,6 +190,12 @@ void __start(void)
const uint32_t *src; const uint32_t *src;
uint32_t *dest; uint32_t *dest;
#ifdef CONFIG_ARMV7M_STACKCHECK
/* Set the stack limit before we attempt to call any functions */
__asm__ volatile ("sub r10, sp, %0" : : "r" (CONFIG_IDLETHREAD_STACKSIZE - 64) : );
#endif
/* Configure the uart so that we can get debug output as soon as possible */ /* Configure the uart so that we can get debug output as soon as possible */
lpc17_clockconfig(); lpc17_clockconfig();