Damjan Marion
c3148b1be8
Type: refactor Change-Id: I5235bf3e9aff58af6ba2c14e8c6529c4fc9ec86c Signed-off-by: Damjan Marion <damarion@cisco.com>
111 lines
2.5 KiB
C
111 lines
2.5 KiB
C
/*
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* Copyright (c) 2018 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <vlib/vlib.h>
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#include <sys/mman.h>
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static clib_error_t *
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test_crash_command_fn (vlib_main_t * vm,
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unformat_input_t * input, vlib_cli_command_t * cmd)
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{
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u64 *p = (u64 *) 0xdefec8ed;
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ELOG_TYPE_DECLARE (e) =
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{
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.format = "deliberate crash: touching %x",
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.format_args = "i4",
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};
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elog (&vlib_global_main.elog_main, &e, 0xdefec8ed);
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*p = 0xdeadbeef;
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/* Not so much... */
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return 0;
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}
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VLIB_CLI_COMMAND (test_crash_command, static) =
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{
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.path = "test crash",
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.short_help = "crash the bus!",
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.function = test_crash_command_fn,
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};
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static clib_error_t *
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test_hash_command_fn (vlib_main_t * vm,
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unformat_input_t * input, vlib_cli_command_t * cmd)
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{
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uword hash1, hash2;
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u8 *baseaddr;
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u8 *key_loc;
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baseaddr = mmap (NULL, 8192, PROT_READ | PROT_WRITE,
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MAP_PRIVATE | MAP_ANONYMOUS, -1, 0 /* offset */ );
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if (baseaddr == 0)
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{
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clib_unix_warning ("mmap");
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return 0;
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}
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if (mprotect (baseaddr + (4 << 10), (4 << 10), PROT_NONE) < 0)
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{
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clib_unix_warning ("mprotect");
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return 0;
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}
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key_loc = baseaddr + (4 << 10) - 4;
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key_loc[0] = 0xde;
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key_loc[1] = 0xad;
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key_loc[2] = 0xbe;
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key_loc[3] = 0xef;
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hash1 = hash_memory (key_loc, 4, 0ULL);
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vlib_cli_output (vm, "hash1 is %llx", hash1);
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key_loc = baseaddr;
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key_loc[0] = 0xde;
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key_loc[1] = 0xad;
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key_loc[2] = 0xbe;
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key_loc[3] = 0xef;
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hash2 = hash_memory (key_loc, 4, 0ULL);
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vlib_cli_output (vm, "hash2 is %llx", hash2);
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if (hash1 == hash2)
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vlib_cli_output (vm, "PASS...");
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else
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vlib_cli_output (vm, "FAIL...");
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return 0;
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}
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VLIB_CLI_COMMAND (test_hash_command, static) =
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{
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.path = "test hash_memory",
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.short_help = "page boundary crossing test",
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.function = test_hash_command_fn,
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};
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
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