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