^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * linux/arch/arm/lib/floppydma.S
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 1995, 1996 Russell King
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/linkage.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <asm/assembler.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) .text
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) .global floppy_fiqin_end
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) ENTRY(floppy_fiqin_start)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) subs r9, r9, #1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) ldrbgt r12, [r11, #-4]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) ldrble r12, [r11], #0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) strb r12, [r10], #1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) subs pc, lr, #4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) floppy_fiqin_end:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) .global floppy_fiqout_end
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) ENTRY(floppy_fiqout_start)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) subs r9, r9, #1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) ldrbge r12, [r10], #1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) movlt r12, #0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) strble r12, [r11], #0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) subsle pc, lr, #4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) strb r12, [r11, #-4]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) subs pc, lr, #4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) floppy_fiqout_end: