1/*
2 * Copyright 2017, Data61
3 * Commonwealth Scientific and Industrial Research Organisation (CSIRO)
4 * ABN 41 687 119 230.
5 *
6 * This software may be distributed and modified according to the terms of
7 * the BSD 2-Clause license. Note that NO WARRANTY is provided.
8 * See "LICENSE_BSD2.txt" for details.
9 *
10 * @TAG(DATA61_BSD)
11 */
12
13#ifndef __LIBSEL4_SEL4_SEL4_ARCH_FUNCTIONS_H_
14#define __LIBSEL4_SEL4_SEL4_ARCH_FUNCTIONS_H_
15
16#include <autoconf.h>
17#include <sel4/constants.h>
18
19LIBSEL4_INLINE_FUNC seL4_IPCBuffer*
20seL4_GetIPCBuffer(void)
21{
22    seL4_Word reg;
23    asm ("mrs %0, tpidrro_el0" : "=r" (reg));
24    return (seL4_IPCBuffer*)reg;
25}
26
27#endif /* __LIBSEL4_SEL4_SEL4_ARCH_FUNCTIONS_H_ */
28