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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [include/] [asm-sparc/] [atops.h] - Blame information for rev 1633

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/* atops.h: Atomic SPARC operations.
 *
 * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
 */
#ifndef _SPARC_ATOPS_H
#define _SPARC_ATOPS_H
 
#ifdef __SMP__
 
extern __inline volatile unsigned char ldstub(volatile unsigned char *lock)
{
        volatile unsigned char retval;
 
        __asm__ __volatile__("ldstub [%1], %0\n\t" :
                             "=&r" (retval) :
                             "r" (lock));
        return retval;
}
 
#endif
 
#endif

Line No.	Rev	Author	Line
1	1633	jcastillo	`/* atops.h: Atomic SPARC operations.`
2			`*`
3			`* Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)`
4			`*/`
5			`#ifndef _SPARC_ATOPS_H`
6			`#define _SPARC_ATOPS_H`
7
8			`#ifdef __SMP__`
9
10			`extern __inline volatile unsigned char ldstub(volatile unsigned char *lock)`
11			`{`
12			`volatile unsigned char retval;`
13
14			`__asm__ __volatile__("ldstub [%1], %0\n\t" :`
15			`"=&r" (retval) :`
16			`"r" (lock));`
17			`return retval;`
18			`}`
19
20			`#endif`
21
22			`#endif`

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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [include/] [asm-sparc/] [atops.h] - Blame information for rev 1633