source: trunk/libs/newlib/src/newlib/libc/sys/phoenix/machine/arm/syscall.S @ 444

Last change on this file since 444 was 444, checked in by satin@…, 6 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc

File size: 1.7 KB
Line 
1/* Copyright (c) 2016 Phoenix Systems
2   All rights reserved.
3
4   Redistribution and use in source and binary forms, with or without
5   modification, are permitted provided that the following conditions
6   are met:
7   1. Redistributions of source code must retain the above copyright
8      notice, this list of conditions and the following disclaimer.
9   2. Redistributions in binary form must reproduce the above copyright
10      notice, this list of conditions and the following disclaimer in the
11      documentation and/or other materials provided with the distribution.
12
13   THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14   ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16   ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17   FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19   OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20   HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21   LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22   OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23   SUCH DAMAGE.*/
24
25        .thumb
26        .syntax unified
27        .section        .text, "ax"
28        .global         _syscall5
29        .global         _syscall3
30        .global         hal_cpuRestoreCtx
31
32        .type _syscall5, %function
33        .func _syscall5
34
35_syscall5:
36        push    {r4, r5}
37        ldr             r4,     [sp, #8]
38        ldr             r5,     [sp, #12]
39        svc             #255
40        pop             {r4, r5}
41        bx              lr
42        .endfunc
43
44        .type _syscall3, %function
45        .func _syscall3
46
47_syscall3:
48        svc             #255
49        bx              lr
50        .endfunc
51
52        .end
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