| /* 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: |
