1/*-
2 * Copyright (c) 2012 Oleksandr Tymoshenko
3 * Copyright (c) 2012 Andrew Turner
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

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21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28#include <machine/asm.h>
29__FBSDID("$FreeBSD: stable/10/lib/libc/arm/gen/__aeabi_read_tp.S 271337 2014-09-09 22:24:01Z ian $");
30
31#include <machine/sysarch.h>
32
33ENTRY(__aeabi_read_tp)
34#ifdef ARM_TP_ADDRESS
35 ldr r0, .Larm_tp_address
36 ldr r0, [r0]
37#else
38 mrc p15, 0, r0, c13, c0, 3
39#endif
40 RET
41END(__aeabi_read_tp)
42
43#ifdef ARM_TP_ADDRESS
44.Larm_tp_address:
45 .word ARM_TP_ADDRESS
46#endif
47