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Diffstat (limited to 'bsps/arm/atsam/start/restart.c')
-rw-r--r-- | bsps/arm/atsam/start/restart.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/bsps/arm/atsam/start/restart.c b/bsps/arm/atsam/start/restart.c new file mode 100644 index 0000000000..9934fbd298 --- /dev/null +++ b/bsps/arm/atsam/start/restart.c @@ -0,0 +1,39 @@ +/* + * Copyright (c) 2017 embedded brains GmbH. All rights reserved. + * + * embedded brains GmbH + * Dornierstr. 4 + * 82178 Puchheim + * Germany + * <rtems@embedded-brains.de> + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.org/license/LICENSE. + */ + +#include <rtems.h> +#include <rtems/score/armv7m.h> +#include <bsp.h> + +static void ARMV7M_Systick_cleanup(void) +{ + volatile ARMV7M_Systick *systick = _ARMV7M_Systick; + systick->csr = 0; +} + +void bsp_restart( const void *const addr ) +{ + rtems_interrupt_level level; + void(*start)(void) = (void(*)(void))(addr); + + rtems_interrupt_disable(level); + (void)level; + rtems_cache_disable_instruction(); + rtems_cache_disable_data(); + rtems_cache_invalidate_entire_instruction(); + rtems_cache_invalidate_entire_data(); + ARMV7M_Systick_cleanup(); + + start(); +} |