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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 START_FUNC name1, name2=foo
.pushsection .text.\name1,"ax",@progbits
.p2align 1
.weak \name1
.global \name1
\name1:
.ifnc \name2,foo
.weak \name2
.global \name2
\name2:
.endif
.endm
.macro END_FUNC name1, name2=foo
.type \name1 , @function
.size \name1 , . - \name1
.ifnc \name2,foo
.type \name2 , @function
.size \name2 , . - \name2
.endif
.popsection
.endm
START_FUNC 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
END_FUNC exit, _exit
START_FUNC isatty,_isatty
MOV #1,R12
ret_
END_FUNC isatty,_isatty
START_FUNC getpid
MOV #42,R12
ret_
END_FUNC getpid
.macro sc2,name,num
START_FUNC \name
call_ #__errno
movx_ #ENOSYS, @R12
MOV.W #-1,R12
ret_
END_FUNC \name
.endm
#define SC(n) sc2 n,SYS_##n
SC (open)
SC (close)
SC (read)
/* SC (write)*/
SC (fstat)
SC (lseek)
SC (kill)
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