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arch/arm/src/stm32f7: Add ITM syslog support.

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This commit is contained in:
Valmantas Paliksa 2019-03-20 06:46:53 -06:00 committed by Gregory Nutt
parent 8443f088da
commit 91bb1f0b9f
3 changed files with 24 additions and 0 deletions
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4
arch/arm/src/stm32f7/Make.defs
View File

@ -83,6 +83,10 @@ ifeq ($(CONFIG_ARCH_RAMVECTORS),y)
CMN_CSRCS += up_ramvec_initialize.c up_ramvec_attach.c
endif
ifeq ($(CONFIG_ARMV7M_ITMSYSLOG),y)
CMN_CSRCS += up_itm_syslog.c
endif
ifeq ($(CONFIG_BUILD_PROTECTED),y)
CMN_CSRCS += up_mpu.c up_task_start.c up_pthread_start.c
ifneq ($(CONFIG_DISABLE_SIGNALS),y)

6
arch/arm/src/stm32f7/stm32_start.c
View File

@ -374,6 +374,12 @@ void __start(void)
up_enable_icache();
up_enable_dcache();
#ifdef CONFIG_ARMV7M_ITMSYSLOG
/* Perform ARMv7-M ITM SYSLOG initialization */
itm_syslog_initialize();
#endif
/* Perform early serial initialization */
#ifdef USE_EARLYSERIALINIT

14
arch/arm/src/stm32f7/stm32f76xx77xx_rcc.c
View File

@ -39,6 +39,7 @@
****************************************************************************/
#include "stm32_pwr.h"
#include "stm32_dbgmcu.h"
/****************************************************************************
* Pre-processor Definitions
@ -1007,6 +1008,18 @@ static void stm32_stdclockconfig(void)
}
#endif
#ifdef CONFIG_ARMV7M_ITMSYSLOG
static inline void rcc_itm_syslog(void)
{
/* Enable SWO output */
modifyreg32(STM32_DBGMCU_CR, DBGMCU_CR_TRACEMODE_MASK,
DBGMCU_CR_ASYNCH | DBGMCU_CR_TRACEIOEN);
}
#else
# define rcc_itm_syslog()
#endif
/****************************************************************************
* Name: rcc_enableperiphals
****************************************************************************/
@ -1018,6 +1031,7 @@ static inline void rcc_enableperipherals(void)
rcc_enableahb3();
rcc_enableapb1();
rcc_enableapb2();
rcc_itm_syslog();
}
/****************************************************************************