genode/repos/base-hw/include/spec/riscv/cpu/consts.h

36 lines
858 B
C++

/*
* \brief Constants definitions for the RISCV architecture.
* \author Sebastian Sumpf
* \date 2015-06-01
*/
/*
* Copyright (C) 2015-2016 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
#ifndef _INCLUDE__RISCV__CPU__CONSTS_H_
#define _INCLUDE__RISCV__CPU__CONSTS_H_
/* Genode includes */
#include <base/stdint.h>
namespace Abi {
/*
* On RISC-V we align the stack top to 16-byte. As a call (or branch) will
* not change the stack pointer, we need no further stack adjustment.
*/
static Genode::addr_t stack_align(Genode::addr_t addr) {
return (addr & ~0xf); }
/**
* Do ABI specific initialization to a freshly created stack
*/
inline void init_stack(Genode::addr_t) { }
}
#endif /* _INCLUDE__RISCV__CPU__CONSTS_H_ */