/* * sim-read.S -- read interface for moxie simulator * * Copyright (c) 2008 Anthony Green * * The authors hereby grant permission to use, copy, modify, distribute, * and license this software and its documentation for any purpose, provided * that existing copyright notices are retained in all copies and that this * notice is included verbatim in any distributions. No written agreement, * license, or royalty fee is required for any of the authorized uses. * Modifications to this software may be copyrighted by their authors * and need not follow the licensing terms described here, provided that * the new terms are clearly indicated on the first page of each file where * they apply. */ #include "syscall.h" /* * Input: * $r0 -- File descriptor. * $r1 -- Buffer to be read into. * -0x12($fp) -- Length of the buffer. * * Output: * $r0 -- Length read or -1. * errno -- Set if an error */ .globl _read .type _read,@function .weak read .text _read: read: swi SYS_read ret .Lend: .size _read,.Lend-_read