1 /* 2 * Check decoding of riscv_flush_icache syscall. 3 * 4 * Copyright (c) 2018 The strace developers. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #include "tests.h" 31 32 #include <asm/unistd.h> 33 34 #include "scno.h" 35 36 #ifdef __NR_riscv_flush_icache 37 38 # include <stdint.h> 39 # include <stdio.h> 40 # include <unistd.h> 41 42 int main(void) 43 { 44 static struct { 45 kernel_ulong_t addr; 46 const char *str; 47 } addrs[] = { 48 { (kernel_ulong_t) (uintptr_t) ARG_STR(NULL) }, 49 { (kernel_ulong_t) 0xbadc0deddeadf157ULL, 50 sizeof(kernel_ulong_t) == 8 ? "0xbadc0deddeadf157" : 51 "0xdeadf157" }, 52 }; 53 static struct { 54 kernel_ulong_t val; 55 const char *str; 56 } flags[] = { 57 { ARG_STR(0) }, 58 { 1, "SYS_RISCV_FLUSH_ICACHE_LOCAL" }, 59 { (kernel_ulong_t) 0xfacefeedfffffffeULL, 60 sizeof(kernel_ulong_t) == 8 ? 61 "0xfacefeedfffffffe /* SYS_RISCV_FLUSH_ICACHE_??? */" : 62 "0xfffffffe /* SYS_RISCV_FLUSH_ICACHE_??? */" }, 63 { (kernel_ulong_t) 0xfacefeedffffffffULL, 64 sizeof(kernel_ulong_t) == 8 ? 65 "SYS_RISCV_FLUSH_ICACHE_LOCAL|0xfacefeedfffffffe" : 66 "SYS_RISCV_FLUSH_ICACHE_LOCAL|0xfffffffe" }, 67 }; 68 69 for (size_t i = 0; i < ARRAY_SIZE(addrs); i++) { 70 for (size_t j = 0; j < ARRAY_SIZE(addrs); j++) { 71 for (size_t k = 0; k < ARRAY_SIZE(flags); k++) { 72 long rc = syscall(__NR_riscv_flush_icache, 73 addrs[i].addr, 74 addrs[j].addr, 75 flags[k].val); 76 77 printf("riscv_flush_icache(%s, %s, %s) = %s\n", 78 addrs[i].str, addrs[j].str, flags[k].str, 79 sprintrc(rc)); 80 } 81 } 82 } 83 84 puts("+++ exited with 0 +++"); 85 86 return 0; 87 } 88 89 #else 90 91 SKIP_MAIN_UNDEFINED("__NR_riscv_flush_icache"); 92 93 #endif 94