40 lines
1.1 KiB
ArmAsm
40 lines
1.1 KiB
ArmAsm
/*
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* sim-read.S -- read interface for FT32 simulator
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*
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* Copyright (C) 2015 FTDI (support@ftdichip.com)
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*
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* The authors hereby grant permission to use, copy, modify, distribute,
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* and license this software and its documentation for any purpose, provided
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* that existing copyright notices are retained in all copies and that this
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* notice is included verbatim in any distributions. No written agreement,
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* license, or royalty fee is required for any of the authorized uses.
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* Modifications to this software may be copyrighted by their authors
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* and need not follow the licensing terms described here, provided that
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* the new terms are clearly indicated on the first page of each file where
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* they apply.
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*/
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#include "syscall.h"
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/*
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* Input:
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* $r0 -- File descriptor.
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* $r1 -- Buffer to be read into.
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* -0x12($fp) -- Length of the buffer.
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*
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* Output:
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* $r0 -- Length read or -1.
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* errno -- Set if an error
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*/
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.globl _read
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.type _read,@function
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.weak read
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.text
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_read:
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read:
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# swi SYS_read
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return
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.Lend:
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.size _read,.Lend-_read
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