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| /* SPDX-License-Identifier: GPL-2.0 */
| /*
| * 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
|
|
