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m68k: merge the mmu and non-mmu versions of div64.h

Trivial merge of the mmu and non-mmu versions of div64.h

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
This commit is contained in:
Greg Ungerer 2009-02-06 14:50:08 +10:00
parent 76adcb2e81
commit d20f5aa338
3 changed files with 33 additions and 33 deletions

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@ -1,5 +1,34 @@
#ifdef __uClinux__
#include "div64_no.h"
#ifndef _M68K_DIV64_H
#define _M68K_DIV64_H
#ifdef CONFIG_MMU
#include <linux/types.h>
/* n = n / base; return rem; */
#define do_div(n, base) ({ \
union { \
unsigned long n32[2]; \
unsigned long long n64; \
} __n; \
unsigned long __rem, __upper; \
\
__n.n64 = (n); \
if ((__upper = __n.n32[0])) { \
asm ("divul.l %2,%1:%0" \
: "=d" (__n.n32[0]), "=d" (__upper) \
: "d" (base), "0" (__n.n32[0])); \
} \
asm ("divu.l %2,%1:%0" \
: "=d" (__n.n32[1]), "=d" (__rem) \
: "d" (base), "1" (__upper), "0" (__n.n32[1])); \
(n) = __n.n64; \
__rem; \
})
#else
#include "div64_mm.h"
#endif
#include <asm-generic/div64.h>
#endif /* CONFIG_MMU */
#endif /* _M68K_DIV64_H */

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@ -1,28 +0,0 @@
#ifndef _M68K_DIV64_H
#define _M68K_DIV64_H
#include <linux/types.h>
/* n = n / base; return rem; */
#define do_div(n, base) ({ \
union { \
unsigned long n32[2]; \
unsigned long long n64; \
} __n; \
unsigned long __rem, __upper; \
\
__n.n64 = (n); \
if ((__upper = __n.n32[0])) { \
asm ("divul.l %2,%1:%0" \
: "=d" (__n.n32[0]), "=d" (__upper) \
: "d" (base), "0" (__n.n32[0])); \
} \
asm ("divu.l %2,%1:%0" \
: "=d" (__n.n32[1]), "=d" (__rem) \
: "d" (base), "1" (__upper), "0" (__n.n32[1])); \
(n) = __n.n64; \
__rem; \
})
#endif /* _M68K_DIV64_H */

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@ -1 +0,0 @@
#include <asm-generic/div64.h>