2016-02-11 10:59:31 +00:00
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/*
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* \brief Constants definitions for the RISCV architecture.
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* \author Sebastian Sumpf
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* \date 2015-06-01
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*/
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/*
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2017-02-20 12:23:52 +00:00
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* Copyright (C) 2015-2017 Genode Labs GmbH
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2016-02-11 10:59:31 +00:00
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*
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* This file is part of the Genode OS framework, which is distributed
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2017-02-20 12:23:52 +00:00
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* under the terms of the GNU Affero General Public License version 3.
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2016-02-11 10:59:31 +00:00
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*/
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#ifndef _INCLUDE__RISCV__CPU__CONSTS_H_
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#define _INCLUDE__RISCV__CPU__CONSTS_H_
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/* Genode includes */
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#include <base/stdint.h>
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namespace Abi {
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/*
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* On RISC-V we align the stack top to 16-byte. As a call (or branch) will
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* not change the stack pointer, we need no further stack adjustment.
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*/
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2016-04-21 07:10:44 +00:00
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inline Genode::addr_t stack_align(Genode::addr_t addr) {
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2016-02-11 10:59:31 +00:00
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return (addr & ~0xf); }
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/**
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* Do ABI specific initialization to a freshly created stack
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*/
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inline void init_stack(Genode::addr_t) { }
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}
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#endif /* _INCLUDE__RISCV__CPU__CONSTS_H_ */
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