94 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			94 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 * Check decoding of riscv_flush_icache syscall.
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 *
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 * Copyright (c) 2018 The strace developers.
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. The name of the author may not be used to endorse or promote products
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 *    derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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#include "tests.h"
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#include <asm/unistd.h>
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#include "scno.h"
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#ifdef __NR_riscv_flush_icache
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# include <stdint.h>
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# include <stdio.h>
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# include <unistd.h>
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int main(void)
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{
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	static struct {
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		kernel_ulong_t addr;
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		const char *str;
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	} addrs[] = {
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		{ (kernel_ulong_t) (uintptr_t) ARG_STR(NULL) },
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		{ (kernel_ulong_t) 0xbadc0deddeadf157ULL,
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			sizeof(kernel_ulong_t) == 8 ? "0xbadc0deddeadf157" :
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			"0xdeadf157" },
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	};
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	static struct {
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		kernel_ulong_t val;
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		const char *str;
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	} flags[] = {
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		{ ARG_STR(0) },
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		{ 1, "SYS_RISCV_FLUSH_ICACHE_LOCAL" },
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		{ (kernel_ulong_t) 0xfacefeedfffffffeULL,
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			sizeof(kernel_ulong_t) == 8 ?
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			"0xfacefeedfffffffe /* SYS_RISCV_FLUSH_ICACHE_??? */" :
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			"0xfffffffe /* SYS_RISCV_FLUSH_ICACHE_??? */" },
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		{ (kernel_ulong_t) 0xfacefeedffffffffULL,
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			sizeof(kernel_ulong_t) == 8 ?
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			"SYS_RISCV_FLUSH_ICACHE_LOCAL|0xfacefeedfffffffe" :
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			"SYS_RISCV_FLUSH_ICACHE_LOCAL|0xfffffffe" },
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	};
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	for (size_t i = 0; i < ARRAY_SIZE(addrs); i++) {
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		for (size_t j = 0; j < ARRAY_SIZE(addrs); j++) {
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			for (size_t k = 0; k < ARRAY_SIZE(flags); k++) {
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				long rc = syscall(__NR_riscv_flush_icache,
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						  addrs[i].addr,
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						  addrs[j].addr,
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						  flags[k].val);
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				printf("riscv_flush_icache(%s, %s, %s) = %s\n",
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				       addrs[i].str, addrs[j].str, flags[k].str,
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				       sprintrc(rc));
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			}
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		}
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	}
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	puts("+++ exited with 0 +++");
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	return 0;
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}
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#else
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SKIP_MAIN_UNDEFINED("__NR_riscv_flush_icache");
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#endif
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