Add missing bits for qemu-user required for emulating Altera Nios2 userspace binaries. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Chris Wulff <crwulff@gmail.com> Cc: Jeff Da Silva <jdasilva@altera.com> Cc: Ley Foon Tan <lftan@altera.com> Cc: Sandra Loosemore <sandra@codesourcery.com> Cc: Yves Vandervennet <yvanderv@altera.com> Reviewed-by: Alexander Graf <agraf@suse.de> Message-Id: <20170118220146.489-4-marex@denx.de> Signed-off-by: Richard Henderson <rth@twiddle.net>
		
			
				
	
	
		
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			C
		
	
	
	
	
	
			
		
		
	
	
			40 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Nios2 specific CPU ABI and functions for linux-user
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 *
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 * Copyright (c) 2016 Marek Vasut <marex@denx.de>
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
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 */
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#ifndef TARGET_CPU_H
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#define TARGET_CPU_H
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static inline void cpu_clone_regs(CPUNios2State *env, target_ulong newsp)
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{
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    if (newsp) {
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        env->regs[R_SP] = newsp;
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    }
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    env->regs[R_RET0] = 0;
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}
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static inline void cpu_set_tls(CPUNios2State *env, target_ulong newtls)
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{
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    /*
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     * Linux kernel 3.10 does not pay any attention to CLONE_SETTLS
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     * in copy_thread(), so QEMU need not do so either.
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     */
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}
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#endif
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