1 /* 2 * Test dataspace operations. 3 * 4 * Copyright (C) 2020, 2021 Paul Boddie <paul@boddie.org.uk> 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License as 8 * published by the Free Software Foundation; either version 2 of 9 * the License, or (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA 20 */ 21 22 #include <l4/re/env.h> 23 #include <l4/sys/err.h> 24 25 #include <stdio.h> 26 #include <string.h> 27 #include <stdlib.h> 28 29 #include <ipc/server.h> 30 31 #include "dataspace_server.h" 32 #include "simple_pager.h" 33 34 35 36 /* Component interface. */ 37 38 class DataspaceServer : public SimplePager 39 { 40 public: 41 explicit DataspaceServer(Memory *memory) 42 : SimplePager(memory) 43 { 44 memset((void *) _region->start, (int) 'a', PAGE_SIZE); 45 } 46 }; 47 48 49 50 int main(void) 51 { 52 /* Some memory. */ 53 54 Memory memory(10); 55 56 /* Dataspace encapsulation. */ 57 58 DataspaceServer obj(&memory); 59 60 /* Server capability. */ 61 62 l4_cap_idx_t server; 63 64 /* Register a server associating it with the given object. */ 65 66 long err = ipc_server_bind("server", (l4_umword_t) &obj, &server); 67 68 if (err) 69 { 70 printf("Could not bind server: %s\n", l4sys_errtostr(err)); 71 return 1; 72 } 73 74 /* Wait for messages, dispatching to the handler. */ 75 76 ipc_server_loop(Dataspace_expected_items, &obj, 77 (ipc_server_handler_type) handle_Dataspace); 78 79 return 0; 80 }