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25 lines
611 B
C
25 lines
611 B
C
/*
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* \brief Implementation for seL4_GetIPCBuffer on x86_64
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* \author Alexander Boettcher
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* \date 2023-05-23
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*/
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/*
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* Copyright (C) 2023 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#ifndef _INCLUDE__SEL4__FUNCTIONS_X86_64_H_
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#define _INCLUDE__SEL4__FUNCTIONS_X86_64_H_
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LIBSEL4_INLINE_FUNC seL4_IPCBuffer *seL4_GetIPCBuffer(void)
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{
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seL4_IPCBuffer * ptr = nullptr;
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asm volatile ("movq %%fs:0, %0" : "=r" (ptr) : :);
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return ptr;
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}
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#endif /* _INCLUDE__SEL4__FUNCTIONS_X86_64_H_ */
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