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/*
* Copyright (c) 2018 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <vlib/vlib.h>
#include <sys/mman.h>
static clib_error_t *
test_crash_command_fn (vlib_main_t * vm,
unformat_input_t * input, vlib_cli_command_t * cmd)
{
u64 *p = (u64 *) 0xdefec8ed;
/* *INDENT-OFF* */
ELOG_TYPE_DECLARE (e) =
{
.format = "deliberate crash: touching %x",
.format_args = "i4",
};
/* *INDENT-ON* */
elog (&vm->elog_main, &e, 0xdefec8ed);
*p = 0xdeadbeef;
/* Not so much... */
return 0;
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (test_crash_command, static) =
{
.path = "test crash",
.short_help = "crash the bus!",
.function = test_crash_command_fn,
};
/* *INDENT-ON* */
static clib_error_t *
test_hash_command_fn (vlib_main_t * vm,
unformat_input_t * input, vlib_cli_command_t * cmd)
{
uword hash1, hash2;
u8 *baseaddr;
u8 *key_loc;
baseaddr = mmap (NULL, 8192, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS, -1, 0 /* offset */ );
if (baseaddr == 0)
{
clib_unix_warning ("mmap");
return 0;
}
if (mprotect (baseaddr + (4 << 10), (4 << 10), PROT_NONE) < 0)
{
clib_unix_warning ("mprotect");
return 0;
}
key_loc = baseaddr + (4 << 10) - 4;
key_loc[0] = 0xde;
key_loc[1] = 0xad;
key_loc[2] = 0xbe;
key_loc[3] = 0xef;
hash1 = hash_memory (key_loc, 4, 0ULL);
vlib_cli_output (vm, "hash1 is %llx", hash1);
key_loc = baseaddr;
key_loc[0] = 0xde;
key_loc[1] = 0xad;
key_loc[2] = 0xbe;
key_loc[3] = 0xef;
hash2 = hash_memory (key_loc, 4, 0ULL);
vlib_cli_output (vm, "hash2 is %llx", hash2);
if (hash1 == hash2)
vlib_cli_output (vm, "PASS...");
else
vlib_cli_output (vm, "FAIL...");
return 0;
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (test_hash_command, static) =
{
.path = "test hash_memory",
.short_help = "page boundary crossing test",
.function = test_hash_command_fn,
};
/* *INDENT-ON* */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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