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/* Copyright (c) 2012, 2013 Red Hat, Inc. All rights reserved.
This copyrighted material is made available to anyone wishing to use, modify,
copy, or redistribute it subject to the terms and conditions of the BSD
License. This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY expressed or implied, including the implied warranties
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. A copy of this license
is available at http://www.opensource.org/licenses. Any Red Hat trademarks that
are incorporated in the source code or documentation are not subject to the BSD
License and may only be used or replicated with the express permission of
Red Hat, Inc.
*/
/* Empty syscall definitions for when we run on real hardware. */
#include "../syscall.h"
#include "memmodel.h"
#define ENOSYS 88
.macro sc,a
sc2 \a,\a
.endm
.macro sc2,name,num
.weak \name
.global \name
\name:
call_ #__errno
movx_ #ENOSYS, @R12
MOV.W #-1,R12
ret_
.endm
.weak exit
.weak _exit
.global exit
.global _exit
exit:
_exit:
/* For some reason, the board fails to stop at a breakpoint
placed on top of a software breakpoint instruction. */
/* MOV.B #0,R3 ; this is a software breakpoint instruction */
1: br_ #1b
#define SC(n) sc2 n,SYS_##n
SC (open)
SC (close)
SC (read)
/* SC (write)*/
SC (fstat)
SC (lseek)
SC (kill)
.weak isatty
.global isatty
isatty:
.weak _isatty
.global _isatty
_isatty:
MOV #1,R12
ret_
.weak getpid
.global getpid
getpid:
MOV #42,R12
ret_
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