/* * dhahelper test program * * Copyright (C) 2002 Alex Beregszsaszi * * This file is part of MPlayer. * * MPlayer is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * MPlayer is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with MPlayer; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include #include #include #include #include #include #include #include "dhahelper.h" int main(int argc, char *argv[]) { int fd; int ret; fd = open("/dev/dhahelper", O_RDWR); ioctl(fd, DHAHELPER_GET_VERSION, &ret); printf("api version: %d\n", ret); if (ret != API_VERSION) printf("incompatible api!\n"); { dhahelper_memory_t mem; mem.operation = MEMORY_OP_MAP; //mem.start = 0xe0000000; mem.start = 0xe4000008; mem.offset = 0; mem.size = 0x4000; mem.ret = 0; ret = ioctl(fd, DHAHELPER_MEMORY, &mem); printf("ret: %s\n", strerror(errno)); mem.ret = (int)mmap(NULL, (size_t)mem.size, PROT_READ, MAP_SHARED, fd, (off_t)0); printf("allocated to %x\n", mem.ret); if (argc > 1) if (mem.ret != 0) { int i; for (i = 0; i < 256; i++) printf("[%x] ", *(int *)(mem.ret+i)); printf("\n"); } munmap((void *)mem.ret, mem.size); mem.operation = MEMORY_OP_UNMAP; mem.start = mem.ret; ioctl(fd, DHAHELPER_MEMORY, &mem); } return 0; }