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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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33 lines
736 B
ArmAsm
33 lines
736 B
ArmAsm
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/*
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* linux/arch/arm/lib/floppydma.S
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*
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* Copyright (C) 1995, 1996 Russell King
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/linkage.h>
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#include <asm/assembler.h>
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.text
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.global floppy_fiqin_end
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ENTRY(floppy_fiqin_start)
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subs r9, r9, #1
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ldrgtb r12, [r11, #-4]
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ldrleb r12, [r11], #0
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strb r12, [r10], #1
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subs pc, lr, #4
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floppy_fiqin_end:
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.global floppy_fiqout_end
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ENTRY(floppy_fiqout_start)
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subs r9, r9, #1
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ldrgeb r12, [r10], #1
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movlt r12, #0
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strleb r12, [r11], #0
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subles pc, lr, #4
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strb r12, [r11, #-4]
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subs pc, lr, #4
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floppy_fiqout_end:
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