Subversion Repositories HelenOS

Rev

Rev 1769 | Rev 1787 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
1 jermar 1
/*
319 jermar 2
 * Copyright (C) 2003-2004 Jakub Jermar
1 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
 
1769 jermar 29
/** @addtogroup mips32 
1702 cejka 30
 * @{
31
 */
32
/** @file
33
 */
34
 
341 jermar 35
#ifndef __mips32_ASM_H__
36
#define __mips32_ASM_H__
1 jermar 37
 
173 jermar 38
#include <arch/types.h>
313 palkovsky 39
#include <typedefs.h>
173 jermar 40
#include <config.h>
41
 
1 jermar 42
 
326 palkovsky 43
static inline void cpu_sleep(void)
44
{
45
    /* Most of the simulators do not support */
46
/*  __asm__ volatile ("wait"); */
47
}
48
 
173 jermar 49
/** Return base address of current stack
50
 *
51
 * Return the base address of the current stack.
52
 * The stack is assumed to be STACK_SIZE bytes long.
180 jermar 53
 * The stack must start on page boundary.
173 jermar 54
 */
1780 jermar 55
static inline uintptr_t get_stack_base(void)
173 jermar 56
{
1780 jermar 57
    uintptr_t v;
173 jermar 58
 
59
    __asm__ volatile ("and %0, $29, %1\n" : "=r" (v) : "r" (~(STACK_SIZE-1)));
60
 
61
    return v;
62
}
63
 
313 palkovsky 64
extern void cpu_halt(void);
1780 jermar 65
extern void asm_delay_loop(uint32_t t);
66
extern void userspace_asm(uintptr_t ustack, uintptr_t uspace_uarg,
67
              uintptr_t entry);
195 vana 68
 
1 jermar 69
#endif
1702 cejka 70
 
1769 jermar 71
/** @}
1702 cejka 72
 */