source: mainline/boot/arch/arm32/src/eabi.S@ 0e56575d

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 0e56575d was ab63b04e, checked in by Martin Decky <martin@…>, 13 years ago

do not use bx in ARMv4 mode

  • Property mode set to 100644
File size: 2.2 KB
Line 
1#
2# Copyright (c) 2012 Martin Decky
3# All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions
7# are met:
8#
9# - Redistributions of source code must retain the above copyright
10# notice, this list of conditions and the following disclaimer.
11# - Redistributions in binary form must reproduce the above copyright
12# notice, this list of conditions and the following disclaimer in the
13# documentation and/or other materials provided with the distribution.
14# - The name of the author may not be used to endorse or promote products
15# derived from this software without specific prior written permission.
16#
17# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27#
28
29.text
30
31.global __aeabi_idiv
32.global __aeabi_uidiv
33
34.global __aeabi_idivmod
35.global __aeabi_uidivmod
36
37.global __aeabi_ldivmod
38.global __aeabi_uldivmod
39
40__aeabi_idiv:
41 push {sp, lr}
42 bl __divsi3
43 ldr lr, [sp, #4]
44 add sp, sp, #8
45 mov pc, lr
46
47__aeabi_uidiv:
48 push {sp, lr}
49 bl __udivsi3
50 ldr lr, [sp, #4]
51 add sp, sp, #8
52 mov pc, lr
53
54__aeabi_idivmod:
55 sub sp, sp, #8
56 push {sp, lr}
57 bl __divmodsi3
58 ldr lr, [sp, #4]
59 add sp, sp, #8
60 pop {r1, r2}
61 mov pc, lr
62
63__aeabi_uidivmod:
64 sub sp, sp, #8
65 push {sp, lr}
66 bl __udivmodsi3
67 ldr lr, [sp, #4]
68 add sp, sp, #8
69 pop {r1, r2}
70 mov pc, lr
71
72__aeabi_ldivmod:
73 sub sp, sp, #8
74 push {sp, lr}
75 bl __divmoddi3
76 ldr lr, [sp, #4]
77 add sp, sp, #8
78 pop {r2, r3}
79 mov pc, lr
80
81__aeabi_uldivmod:
82 sub sp, sp, #8
83 push {sp, lr}
84 bl __udivmoddi3
85 ldr lr, [sp, #4]
86 add sp, sp, #8
87 pop {r2, r3}
88 mov pc, lr
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