| 492 |
theseven |
1 |
//
|
|
|
2 |
//
|
|
|
3 |
// Copyright 2011 TheSeven
|
|
|
4 |
//
|
|
|
5 |
//
|
|
|
6 |
// This file is part of emCORE.
|
|
|
7 |
//
|
|
|
8 |
// emCORE is free software: you can redistribute it and/or
|
|
|
9 |
// modify it under the terms of the GNU General Public License as
|
|
|
10 |
// published by the Free Software Foundation, either version 2 of the
|
|
|
11 |
// License, or (at your option) any later version.
|
|
|
12 |
//
|
|
|
13 |
// emCORE is distributed in the hope that it will be useful,
|
|
|
14 |
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
15 |
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
|
16 |
// See the GNU General Public License for more details.
|
|
|
17 |
//
|
|
|
18 |
// You should have received a copy of the GNU General Public License along
|
|
|
19 |
// with emCORE. If not, see <http://www.gnu.org/licenses/>.
|
|
|
20 |
//
|
|
|
21 |
//
|
|
|
22 |
|
|
|
23 |
|
|
|
24 |
#include "emcoreapp.h"
|
|
|
25 |
#undef memset
|
|
|
26 |
#undef memmove
|
|
|
27 |
#undef memcpy
|
|
|
28 |
#undef memcmp
|
|
|
29 |
|
|
|
30 |
|
|
|
31 |
int __clzsi2(int arg) __attribute__((naked,noinline));
|
|
|
32 |
int __clzsi2(int arg)
|
|
|
33 |
{
|
| 538 |
theseven |
34 |
__asm__ volatile("ldr\tr12, =__emcore_syscall\n\tldr\tr12, [r12]\n\tldr\tpc, [r12,#8]\n\t.ltorg\n\t");
|
| 492 |
theseven |
35 |
}
|
|
|
36 |
|
|
|
37 |
// This one has a non-standard calling convention, so we just declare it as void
|
|
|
38 |
void __aeabi_idivmod(void) __attribute__((naked,noinline));
|
|
|
39 |
void __aeabi_idivmod(void)
|
|
|
40 |
{
|
| 538 |
theseven |
41 |
__asm__ volatile("ldr\tr12, =__emcore_syscall\n\tldr\tr12, [r12]\n\tldr\tpc, [r12,#0xc]\n\t.ltorg\n\t");
|
| 492 |
theseven |
42 |
}
|
|
|
43 |
|
|
|
44 |
// This one has a non-standard calling convention, so we just declare it as void
|
|
|
45 |
void __aeabi_uidivmod(void) __attribute__((naked,noinline));
|
|
|
46 |
void __aeabi_uidivmod(void)
|
|
|
47 |
{
|
| 538 |
theseven |
48 |
__asm__ volatile("ldr\tr12, =__emcore_syscall\n\tldr\tr12, [r12]\n\tldr\tpc, [r12,#0x10]\n\t.ltorg\n\t");
|
| 492 |
theseven |
49 |
}
|
|
|
50 |
|
|
|
51 |
extern __attribute__((alias("__aeabi_idivmod"))) void __aeabi_idiv(void);
|
|
|
52 |
extern __attribute__((alias("__aeabi_uidivmod"))) void __aeabi_uidiv(void);
|
|
|
53 |
|
| 491 |
theseven |
54 |
void* memset(void *dst, int c, size_t length)
|
|
|
55 |
{
|
|
|
56 |
return __emcore_syscall->memset(dst, c, length);
|
|
|
57 |
}
|
|
|
58 |
|
|
|
59 |
void* memmove(void *dst, const void *src, size_t length)
|
|
|
60 |
{
|
|
|
61 |
return __emcore_syscall->memmove(dst, src, length);
|
|
|
62 |
}
|
|
|
63 |
|
|
|
64 |
void* memcpy(void *dst, const void *src, size_t length)
|
|
|
65 |
{
|
|
|
66 |
return __emcore_syscall->memcpy(dst, src, length);
|
|
|
67 |
}
|
|
|
68 |
|
|
|
69 |
int memcmp(const void *src1, const void *src2, size_t length)
|
|
|
70 |
{
|
|
|
71 |
return __emcore_syscall->memcmp(src1, src2, length);
|
|
|
72 |
}
|