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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2011-09-01 15:52:12 +0000 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2011-09-01 15:52:12 +0000 |
commit | e2d0c6833eeab2bb9b5d9e6fabfdf0689042fb90 (patch) | |
tree | f3764f435117a16fd409a88b24788324c7c0a39c /cpukit/score/cpu/nios2/nios2-context-initialize.c | |
parent | Remove. (diff) | |
download | rtems-e2d0c6833eeab2bb9b5d9e6fabfdf0689042fb90.tar.bz2 |
2011-09-01 Sebastian Huber <sebastian.huber@embedded-brains.de>
* cpu.c, cpu_asm.S: Removed files.
* nios2-context-initialize.c, nios2-context-switch.S,
nios2-fatal-halt.c, nios2-initialize-vectors.c, nios2-initialize.c,
nios2-isr-get-level.c, nios2-isr-install-raw-handler.c,
nios2-isr-install-vector.c, nios2-isr-is-in-progress.c,
nios2-isr-set-level.c, nios2-thread-dispatch-disabled.c,
rtems/score/nios2-utility.h: New files.
* Makefile.am, preinstall.am: Reflect changes above.
* irq.c: Update due to API changes.
* rtems/score/cpu.h: New functions _CPU_Initialize_vectors(),
_CPU_ISR_Set_level(), and _CPU_Fatal_halt() (instead of macros).
Support for external interrupt controller (EIC). Documentation
changes.
Diffstat (limited to '')
-rw-r--r-- | cpukit/score/cpu/nios2/nios2-context-initialize.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/cpukit/score/cpu/nios2/nios2-context-initialize.c b/cpukit/score/cpu/nios2/nios2-context-initialize.c new file mode 100644 index 0000000000..3a0661ee92 --- /dev/null +++ b/cpukit/score/cpu/nios2/nios2-context-initialize.c @@ -0,0 +1,41 @@ +/* + * Copyright (c) 2011 embedded brains GmbH + * + * Copyright (c) 2006 Kolja Waschk (rtemsdev/ixo.de) + * + * COPYRIGHT (c) 1989-2006 + * On-Line Applications Research Corporation (OAR). + * + * 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. + * + * $Id$ + */ + +#ifdef HAVE_CONFIG_H + #include "config.h" +#endif + +#include <rtems/score/cpu.h> +#include <string.h> + +void _CPU_Context_Initialize( + Context_Control *context, + void *stack_area_begin, + size_t stack_area_size, + uint32_t new_level, + void (*entry_point)( void ), + bool is_fp +) +{ + uint32_t stack = (uint32_t) stack_area_begin + stack_area_size - 4; + + memset(context, 0, sizeof(*context)); + + context->fp = stack; + context->sp = stack; + context->ra = (uint32_t) entry_point; + /* @todo Add EIC support. */ + context->status = new_level ? 0 : 1; +} |