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Add support for a BOARDIOC_RESET boardctl() command. Enable configuration options to support BOARDIOC_RESET for ARMv6-M and ARMv7-M

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This commit is contained in:
Gregory Nutt 2015-07-04 10:39:24 -06:00
parent 36ddd9f691
commit 724c1eacaa
5 changed files with 88 additions and 20 deletions
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4
arch/Kconfig
View File

@ -159,6 +159,10 @@ config ARCH_HAVE_POWEROFF
bool
default n
config ARCH_HAVE_RESET
bool
default n
config ARCH_USE_MMU
bool "Enable MMU"
default n

3
arch/arm/Kconfig
View File

@ -233,6 +233,7 @@ config ARCH_CORTEXM0
bool
default n
select ARCH_HAVE_IRQPRIO
select ARCH_HAVE_RESET
config ARCH_CORTEXM3
bool
@ -240,6 +241,7 @@ config ARCH_CORTEXM3
select ARCH_HAVE_IRQPRIO
select ARCH_HAVE_RAMVECTORS
select ARCH_HAVE_HIPRI_INTERRUPT
select ARCH_HAVE_RESET
config ARCH_CORTEXM4
bool
@ -247,6 +249,7 @@ config ARCH_CORTEXM4
select ARCH_HAVE_IRQPRIO
select ARCH_HAVE_RAMVECTORS
select ARCH_HAVE_HIPRI_INTERRUPT
select ARCH_HAVE_RESET
config ARCH_CORTEXM7
bool

43
arch/arm/src/armv6-m/up_systemreset.c
View File

@ -42,19 +42,21 @@
#include <stdint.h>
#include <nuttx/board.h>
#include "up_arch.h"
#include "nvic.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Public Types
* Public functions
****************************************************************************/
/****************************************************************************
* Public functions
* Name: up_systemreset
*
* Description:
* Internal, Cortex-M0 reset logic.
*
****************************************************************************/
void up_systemreset(void)
@ -76,3 +78,32 @@ void up_systemreset(void)
for (;;);
}
/****************************************************************************
* Name: board_reset
*
* Description:
* Reset board. This function may or may not be supported by a
* particular board architecture.
*
* Input Parameters:
* status - Status information provided with the reset event. This
* meaning of this status information is board-specific. If not used by
* a board, the value zero may be provided in calls to board_reset.
*
* Returned Value:
* If this function returns, then it was not possible to power-off the
* board due to some constraints. The return value int this case is a
* board-specific reason for the failure to shutdown.
*
****************************************************************************/
#ifdef CONFIG_BOARDCTL_RESET
int board_reset(int status)
{
up_systemreset();
return 0;
}
#endif

42
arch/arm/src/armv7-m/up_systemreset.c
View File

@ -42,19 +42,21 @@
#include <stdint.h>
#include <nuttx/board.h>
#include "up_arch.h"
#include "nvic.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Public Types
* Public functions
****************************************************************************/
/****************************************************************************
* Public functions
* Name: up_systemreset
*
* Description:
* Internal, Cortex-M0 reset logic.
*
****************************************************************************/
void up_systemreset(void)
@ -77,3 +79,31 @@ void up_systemreset(void)
for (;;);
}
/****************************************************************************
* Name: board_reset
*
* Description:
* Reset board. This function may or may not be supported by a
* particular board architecture.
*
* Input Parameters:
* status - Status information provided with the reset event. This
* meaning of this status information is board-specific. If not used by
* a board, the value zero may be provided in calls to board_reset.
*
* Returned Value:
* If this function returns, then it was not possible to power-off the
* board due to some constraints. The return value int this case is a
* board-specific reason for the failure to shutdown.
*
****************************************************************************/
#ifdef CONFIG_BOARDCTL_RESET
int board_reset(int status)
{
up_systemreset();
return 0;
}
#endif

16
arch/sim/src/up_head.c
View File

@ -56,8 +56,8 @@
* Private Data
****************************************************************************/
static jmp_buf sim_abort;
static int retcode = EXIT_SUCCESS;
static jmp_buf g_simabort;
static int g_exitcode = EXIT_SUCCESS;
/****************************************************************************
* Global Functions
@ -83,7 +83,7 @@ int main(int argc, char **argv, char **envp)
/* Then start NuttX */
if (setjmp(sim_abort) == 0)
if (setjmp(g_simabort) == 0)
{
os_start();
}
@ -91,7 +91,7 @@ int main(int argc, char **argv, char **envp)
/* Restore the original terminal mode and return the exit code */
simuart_teriminate();
return retcode;
return g_exitcode;
}
/****************************************************************************
@ -117,8 +117,8 @@ void up_assert(const uint8_t *filename, int line)
/* Exit the simulation */
retcode = EXIT_FAILURE;
longjmp(sim_abort, 1);
g_exitcode = EXIT_FAILURE;
longjmp(g_simabort, 1);
}
/****************************************************************************
@ -143,8 +143,8 @@ int board_power_off(int status)
{
/* Save the return code and exit the simulation */
retcode = status;
longjmp(sim_abort, 1);
g_exitcode = status;
longjmp(g_simabort, 1);
}
#endif