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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2013-05-22 09:54:34 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2013-05-27 12:49:13 +0200 |
| commit | d9bd5cd699ecad35e4319020db42d42f01871d4e (patch) | |
| tree | 8841e84c2159ee1465530313c62b2d84eeea65b8 /cpukit/score/cpu/arm/armv7-thread-idle.c | |
| parent | arm: Fix CPSR and SPSR access (diff) | |
| download | rtems-d9bd5cd699ecad35e4319020db42d42f01871d4e.tar.bz2 | |
arm: Add CPU specific idle thread for ARMv7
Diffstat (limited to 'cpukit/score/cpu/arm/armv7-thread-idle.c')
| -rw-r--r-- | cpukit/score/cpu/arm/armv7-thread-idle.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/cpukit/score/cpu/arm/armv7-thread-idle.c b/cpukit/score/cpu/arm/armv7-thread-idle.c new file mode 100644 index 0000000000..7dfbc7feab --- /dev/null +++ b/cpukit/score/cpu/arm/armv7-thread-idle.c @@ -0,0 +1,36 @@ +/** + * @file + * + * @brief CPU Thread Idle Body + */ + +/* + * Copyright (c) 2012 embedded brains GmbH. All rights reserved. + * + * embedded brains GmbH + * Obere Lagerstr. 30 + * 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.com/license/LICENSE. + */ + +#ifdef HAVE_CONFIG_H + #include "config.h" +#endif + +#include <rtems/score/cpu.h> + +#ifdef ARM_MULTILIB_HAS_WFI + +void *_CPU_Thread_Idle_body( uintptr_t ignored ) +{ + while ( true ) { + __asm__ volatile ("wfi"); + } +} + +#endif /* ARM_MULTILIB_HAS_WFI */ |