diff options
Diffstat (limited to 'arch/h8300/lib/memset.S')
-rw-r--r-- | arch/h8300/lib/memset.S | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/arch/h8300/lib/memset.S b/arch/h8300/lib/memset.S deleted file mode 100644 index 2d1abc37fd08..000000000000 --- a/arch/h8300/lib/memset.S +++ /dev/null @@ -1,70 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* memset.S */ - -#include <asm/linkage.h> - -#if defined(CONFIG_CPU_H8300H) - .h8300h -#endif -#if defined(CONFIG_CPU_H8S) - .h8300s -#endif - .text - -.global memset -.global clear_user - -;;void *memset(*ptr, int c, size_t count) -;; ptr = er0 -;; c = er1(r1l) -;; count = er2 -memset: - btst #0,r0l - beq 2f - - ;; odd address -1: - mov.b r1l,@er0 - adds #1,er0 - dec.l #1,er2 - beq 6f - - ;; even address -2: - mov.l er2,er3 - cmp.l #4,er2 - blo 4f - ;; count>=4 -> count/4 -#if defined(CONFIG_CPU_H8300H) - shlr.l er2 - shlr.l er2 -#endif -#if defined(CONFIG_CPU_H8S) - shlr.l #2,er2 -#endif - ;; byte -> long - mov.b r1l,r1h - mov.w r1,e1 -3: - mov.l er1,@er0 - adds #4,er0 - dec.l #1,er2 - bne 3b -4: - ;; count % 4 - and.b #3,r3l - beq 6f -5: - mov.b r1l,@er0 - adds #1,er0 - dec.b r3l - bne 5b -6: - rts - -clear_user: - mov.l er1, er2 - sub.l er1, er1 - bra memset - - .end |