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/* * linux/arch/arm/lib/floppydma.S * * Copyright (C) 1995, 1996 Russell King * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include <linux/linkage.h> #include <asm/assembler.h> .text .global floppy_fiqin_end ENTRY(floppy_fiqin_start) subs r9, r9, #1 ldrgtb r12, [r11, #-4] ldrleb 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 ldrgeb r12, [r10], #1 movlt r12, #0 strleb r12, [r11], #0 subles pc, lr, #4 strb r12, [r11, #-4] subs pc, lr, #4 floppy_fiqout_end: |