genode/repos/base-sel4/include/sel4/functions_aarch32.h

25 lines
623 B
C
Raw Normal View History

/*
* \brief Implementation for seL4_GetIPCBuffer on aarch32
* \author Alexander Boettcher
* \date 2023-05-23
*/
/*
* Copyright (C) 2023 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
#ifndef _INCLUDE__SEL4__FUNCTIONS_AARCH32_H_
#define _INCLUDE__SEL4__FUNCTIONS_AARCH32_H_
LIBSEL4_INLINE_FUNC seL4_IPCBuffer *seL4_GetIPCBuffer(void)
{
seL4_IPCBuffer ** ptr = nullptr;
asm volatile ("mrc p15, 0, %0, c13, c0, 2" : "=r"(ptr));
return *ptr;
}
#endif /* _INCLUDE__SEL4__FUNCTIONS_AARCH32_H_ */