0,0 → 1,77 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
|
#ifndef __ARCH_H__ |
#define __ARCH_H__ |
|
#include <arch/types.h> |
#include <typedefs.h> |
|
#include <cpu.h> |
#include <arch/cpu.h> |
#include <arch/asm.h> |
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#define CPU THE->cpu |
#define THREAD THE->thread |
#define TASK THE->task |
#define VM THE->vm |
#define PREEMPTION_DISABLED THE->preemption_disabled |
|
#ifndef early_mapping |
#define early_mapping(stack, size) |
#endif /* early_mapping */ |
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/** |
* For each possible kernel stack, structure |
* of the following type will be placed at |
* the bottom of the stack. |
*/ |
struct the { |
int preemption_disabled; /**< Preemption disabled counter. */ |
thread_t *thread; /**< Current thread. */ |
task_t *task; /**< Current task. */ |
cpu_t *cpu; /**< Executing cpu. */ |
vm_t *vm; /**< Current vm. */ |
}; |
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#define THE ((the_t *)(get_stack_base())) |
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extern void the_initialize(the_t *the); |
extern void the_copy(the_t *src, the_t *dst); |
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extern void arch_pre_mm_init(void); |
extern void arch_post_mm_init(void); |
extern void arch_late_init(void); |
extern void calibrate_delay_loop(void); |
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extern ipl_t interrupts_disable(void); |
extern ipl_t interrupts_enable(void); |
extern void interrupts_restore(ipl_t ipl); |
extern ipl_t interrupts_read(void); |
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#endif |