/* * 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: */