| /* 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: |