forked from Imagelibrary/rtems
c5ed14844e
* rtems/score/armv7m.h, armv7m-context-initialize.c, armv7m-context-restore.c, armv7m-context-switch.c, armv7m-exception-handler-get.c, armv7m-exception-handler-set.c, armv7m-exception-priority-get.c, armv7m-exception-priority-set.c, armv7m-initialize.c, armv7m-isr-dispatch.c, armv7m-isr-enter-leave.c, armv7m-isr-level-get.c, armv7m-isr-level-set.c, armv7m-isr-vector-install.c, armv7m-multitasking-start-stop.c: New files. * Makefile.am, preinstall.am: Reflect changes above. * rtems/score/arm.h: Define ARM_MULTILIB_ARCH_V4 and ARM_MULTILIB_ARCH_V7M. * rtems/score/cpu.h, cpu_asm.S, cpu.c, arm_exc_abort.S, arm_exc_handler_high.c, arm_exc_handler_low.S, arm_exc_interrupt.S: Define CPU_HAS_HARDWARE_INTERRUPT_STACK to FALSE. Use ARM_MULTILIB_ARCH_V4 and ARM_MULTILIB_ARCH_V7M.
45 lines
918 B
C
45 lines
918 B
C
/*
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* Copyright (c) 2011 Sebastian Huber. All rights reserved.
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*
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* embedded brains GmbH
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* Obere Lagerstr. 30
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* 82178 Puchheim
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* Germany
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* <rtems@embedded-brains.de>
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.com/license/LICENSE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <string.h>
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#include <rtems/score/thread.h>
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#ifdef ARM_MULTILIB_ARCH_V7M
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#include <rtems/score/armv7m.h>
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void _CPU_Context_Initialize(
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Context_Control *context,
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void *stack_area_begin,
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size_t stack_area_size,
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uint32_t new_level,
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void (*entry_point)( void ),
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bool is_fp
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)
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{
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char *stack_area_end = (char *) stack_area_begin + stack_area_size;
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memset(context, 0, sizeof(*context));
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context->register_lr = entry_point;
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context->register_sp = stack_area_end;
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}
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#endif /* ARM_MULTILIB_ARCH_V7M */
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