div64.h File Reference

#include <linux/types.h>
#include <asm/compiler.h>

Go to the source code of this file.

Macros
#define	__xl   "r0"
#define	__xh   "r1"
#define	__do_div_asm(n, base)
#define	do_div(n, base)   __do_div_asm(n, base)

Macro Definition Documentation

#define __do_div_asm	(		n,
			base
	)

Value:

({                              \
    register unsigned int __base      asm("r4") = base; \
    register unsigned long long __n   asm("r0") = n;    \
    register unsigned long long __res asm("r2");        \
    register unsigned int __rem       asm(__xh);        \
    asm(    __asmeq("%0", __xh)             \
        __asmeq("%1", "r2")             \
        __asmeq("%2", "r0")             \
        __asmeq("%3", "r4")             \
        "bl __do_div64"             \
        : "=r" (__rem), "=r" (__res)            \
        : "r" (__n), "r" (__base)           \
        : "ip", "lr", "cc");                \
    n = __res;                      \
    __rem;                          \
})

Definition at line 31 of file div64.h.

#define __xh   "r1"

Definition at line 28 of file div64.h.

#define __xl   "r0"

Definition at line 27 of file div64.h.

#define do_div	(		n,
			base
	)		__do_div_asm(n, base)

Definition at line 59 of file div64.h.