swh:1:snp:49cd9498d6cccc5e78252c27dcb645bcf7bf0c91
Raw File
Tip revision: a1b8638ba1320e6684aa98233c15255eb803fac7 authored by Linus Torvalds on 27 September 2020, 21:38:10 UTC
Linux 5.9-rc7
Tip revision: a1b8638
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:
back to top