div64.S
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/*
* unsigned long __xdiv64_32(unsigned long long n, unsigned long d);
*/
#include <linux/linkage.h>
.text
ENTRY(__xdiv64_32)
#ifdef CONFIG_CPU_LITTLE_ENDIAN
mov r4, r0
mov r5, r1
#else
mov r4, r1
mov r5, r0
#endif
cmp/hs r6, r1
bf.s 1f
mov #0, r2
mov r1, r2
mov #0, r3
div0u
.rept 32
rotcl r2
div1 r6, r3
.endr
rotcl r2
mul.l r6, r2
sts macl, r3
sub r3, r1
1:
div0u
.rept 32
rotcl r0
div1 r6, r1
.endr
#ifdef CONFIG_CPU_LITTLE_ENDIAN
mov r2, r1
rts
rotcl r0
#else
rotcl r0
mov r0, r1
rts
mov r2, r0
#endif