/* * sim-read.S -- read interface for frv simulator * * Copyright (c) 2002 Red Hat, Inc * * 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 <frv-asm.h> #include "syscall.h" /* * Input: * gr8 -- File descriptor. * gr9 -- Buffer to be read into. * gr10 -- Length of the buffer. * * Output: * gr8 -- Length read or -1. * errno -- Set if an error */ .globl EXT(_read) .type EXT(_read),@function .weak EXT(read) .text EXT(_read): EXT(read): setlos #SYS_read,gr7 tira gr0,#0 ret .Lend: .size EXT(_read),.Lend-EXT(_read)