| [f761f1eb] | 1 | /*
|
|---|
| 2 | * Copyright (C) 2001-2004 Jakub Jermar
|
|---|
| 3 | * All rights reserved.
|
|---|
| 4 | *
|
|---|
| 5 | * Redistribution and use in source and binary forms, with or without
|
|---|
| 6 | * modification, are permitted provided that the following conditions
|
|---|
| 7 | * are met:
|
|---|
| 8 | *
|
|---|
| 9 | * - Redistributions of source code must retain the above copyright
|
|---|
| 10 | * notice, this list of conditions and the following disclaimer.
|
|---|
| 11 | * - Redistributions in binary form must reproduce the above copyright
|
|---|
| 12 | * notice, this list of conditions and the following disclaimer in the
|
|---|
| 13 | * documentation and/or other materials provided with the distribution.
|
|---|
| 14 | * - The name of the author may not be used to endorse or promote products
|
|---|
| 15 | * derived from this software without specific prior written permission.
|
|---|
| 16 | *
|
|---|
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|---|
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|---|
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|---|
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|---|
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|---|
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|---|
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|---|
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|---|
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|---|
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|---|
| 27 | */
|
|---|
| 28 |
|
|---|
| 29 | #ifndef __ARCH_H__
|
|---|
| 30 | #define __ARCH_H__
|
|---|
| 31 |
|
|---|
| 32 | #include <arch/types.h>
|
|---|
| 33 | #include <typedefs.h>
|
|---|
| 34 |
|
|---|
| 35 | #include <cpu.h>
|
|---|
| [8262010] | 36 | #include <arch/cpu.h>
|
|---|
| [b52da8d7] | 37 | #include <arch/asm.h>
|
|---|
| 38 |
|
|---|
| [dbe9ff0] | 39 | #define CPU THE->cpu
|
|---|
| 40 | #define THREAD THE->thread
|
|---|
| 41 | #define TASK THE->task
|
|---|
| [20d50a1] | 42 | #define AS THE->as
|
|---|
| [dbe9ff0] | 43 | #define PREEMPTION_DISABLED THE->preemption_disabled
|
|---|
| [f761f1eb] | 44 |
|
|---|
| [22f7769] | 45 | /**
|
|---|
| [361635c] | 46 | * For each possible kernel stack, structure
|
|---|
| 47 | * of the following type will be placed at
|
|---|
| 48 | * the bottom of the stack.
|
|---|
| 49 | */
|
|---|
| 50 | struct the {
|
|---|
| [e507afa] | 51 | count_t preemption_disabled; /**< Preemption disabled counter. */
|
|---|
| [22f7769] | 52 | thread_t *thread; /**< Current thread. */
|
|---|
| 53 | task_t *task; /**< Current task. */
|
|---|
| 54 | cpu_t *cpu; /**< Executing cpu. */
|
|---|
| [20d50a1] | 55 | as_t *as; /**< Current address space. */
|
|---|
| [361635c] | 56 | };
|
|---|
| 57 |
|
|---|
| [b52da8d7] | 58 | #define THE ((the_t *)(get_stack_base()))
|
|---|
| 59 |
|
|---|
| [bcdd9aa] | 60 | extern void the_initialize(the_t *the);
|
|---|
| 61 | extern void the_copy(the_t *src, the_t *dst);
|
|---|
| 62 |
|
|---|
| [f07bba5] | 63 | extern void arch_pre_mm_init(void);
|
|---|
| [7eade45] | 64 | extern void arch_post_mm_init(void);
|
|---|
| [7453929] | 65 | extern void arch_pre_smp_init(void);
|
|---|
| 66 | extern void arch_post_smp_init(void);
|
|---|
| [f761f1eb] | 67 | extern void calibrate_delay_loop(void);
|
|---|
| 68 |
|
|---|
| [22f7769] | 69 | extern ipl_t interrupts_disable(void);
|
|---|
| 70 | extern ipl_t interrupts_enable(void);
|
|---|
| 71 | extern void interrupts_restore(ipl_t ipl);
|
|---|
| 72 | extern ipl_t interrupts_read(void);
|
|---|
| [f761f1eb] | 73 |
|
|---|
| 74 | #endif
|
|---|
