root/arch/arm/mach-rpc/floppydma.S
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 *  linux/arch/arm/lib/floppydma.S
 *
 *  Copyright (C) 1995, 1996 Russell King
 */
#include <linux/linkage.h>
#include <asm/assembler.h>
                .text

                .global floppy_fiqin_end
ENTRY(floppy_fiqin_start)
                subs    r9, r9, #1
                ldrbgt  r12, [r11, #-4]
                ldrble  r12, [r11], #0
                strb    r12, [r10], #1
                subs    pc, lr, #4
floppy_fiqin_end:

                .global floppy_fiqout_end
ENTRY(floppy_fiqout_start)
                subs    r9, r9, #1
                ldrbge  r12, [r10], #1
                movlt   r12, #0
                strble  r12, [r11], #0
                subsle  pc, lr, #4
                strb    r12, [r11, #-4]
                subs    pc, lr, #4
floppy_fiqout_end: