source: mainline/kernel/arch/arm32/src/eabi.S@ d11a181

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since d11a181 was d11a181, checked in by Martin Decky <martin@…>, 13 years ago

finally unbreak the ARM EABI division and modulo wrappers

  • 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 {lr}
42 bl __divsi3
43 pop {lr}
44 mov pc, lr
45
46__aeabi_uidiv:
47 push {lr}
48 bl __udivsi3
49 pop {lr}
50 mov pc, lr
51
52__aeabi_idivmod:
53 push {lr}
54 sub sp, sp, #12
55 add r2, sp, #4
56 bl __udivmodsi3
57 ldr r1, [sp, #4]
58 add sp, sp, #12
59 pop {lr}
60 mov pc, lr
61
62__aeabi_uidivmod:
63 push {lr}
64 sub sp, sp, #12
65 add r2, sp, #4
66 bl __udivmodsi3
67 ldr r1, [sp, #4]
68 add sp, sp, #12
69 pop {lr}
70 mov pc, lr
71
72__aeabi_ldivmod:
73 push {lr}
74 sub sp, sp, #24
75 push {sp}
76 bl __divmoddi3
77 add sp, sp, #4
78 pop {r2, r3}
79 add sp, sp, #16
80 pop {lr}
81 mov pc, lr
82
83__aeabi_uldivmod:
84 push {lr}
85 sub sp, sp, #24
86 push {sp}
87 bl __udivmoddi3
88 add sp, sp, #4
89 pop {r2, r3}
90 add sp, sp, #16
91 pop {lr}
92 mov pc, lr
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