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
main(void)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