/**************************************************************************** * * The MIT License (MIT) * * Copyright (c) 2014 - 2021 VERISILICON * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * ***************************************************************************** * * The GPL License (GPL) * * Copyright (C) 2014 - 2021 VERISILICON * * This program 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. * * This program 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 this program; if not, write to the Free Software Foundation, * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * ***************************************************************************** * * Note: This software is released under dual MIT and GPL licenses. A * recipient may use this file under the terms of either the MIT license or * GPL License. If you wish to use only one license not the other, you can * indicate your decision by deleting one of the above license notices in your * version of this file. * *****************************************************************************/ #include #include #include #include #include #include #include #include #include #include #include "basetype.h" #include "memalloc.h" int main(void) { i32 memdev_fd = -1; i32 memdev_fd_2 = -1; i32 memdev_map = -1; i32 i = 0, u = 0; u32 *virtual1 = MAP_FAILED; u32 *virtual2 = MAP_FAILED; u32 pgsize = getpagesize(); const char *memdev = "/dev/memalloc"; const char *memmap = "/dev/mem"; u32 bus_address1 = 0, bus_address2 = 0; u32 size = 4096; memdev_fd = open(memdev, O_RDWR); if (memdev_fd == -1) { printf("Failed to open dev: %s\n", memdev); goto end1; } memdev_fd_2 = open(memdev, O_RDWR); if (memdev_fd_2 == -1) { printf("Failed to open dev: %s\n", memdev); goto end1; } memdev_map = open(memmap, O_RDWR); if (memdev_map == -1) { printf("Failed to open dev: %s\n", memmap); goto end1; } size = (size + pgsize) & (~(pgsize - 1)); printf("Hard Reset\n", size); /*ioctl(memdev_fd, MEMALLOC_IOCHARDRESET, 0);*/ for (i = 0; i < 100; i++) { ioctl(memdev_fd, MEMALLOC_IOCXGETBUFFER, &bus_address1); printf("bus_address1 0x%08x\n", bus_address1); ioctl(memdev_fd_2, MEMALLOC_IOCXGETBUFFER, &bus_address2); printf("bus_address2 0x%08x\n", bus_address2); /* test write stuff in the mem are*/ if (bus_address1) { virtual1 = (u32 *)mmap(0, size, PROT_READ | PROT_WRITE, MAP_SHARED, memdev_map, bus_address1); printf("Virtual1 %08x\n", virtual1); } if (virtual1 != MAP_FAILED) { for (u = 0; u < size / 4; u++) { *virtual1 = i + 1; } } else { printf("map failed\n"); } /* test write stuff in the mem are*/ if (bus_address2) { virtual2 = (u32 *)mmap(0, size, PROT_READ | PROT_WRITE, MAP_SHARED, memdev_map, bus_address2); printf("Virtual2 0x%08x\n", virtual2); } if (virtual2 != MAP_FAILED) { for (u = 0; u < size / 4; u++) { *virtual2 = i + 2; } } else { printf("map failed\n"); } if (virtual1 != MAP_FAILED) { for (u = 0; u < size / 4; u++) { if (*virtual1 != i + 1) { printf("MISMATCH1!\n"); break; } } } if (virtual2 != MAP_FAILED) { for (u = 0; u < size / 4; u++) { if (*virtual2 != i + 2) { printf("MISMATCH2!\n"); break; } } } if ((i % 30)) { printf("release %d ", size); ioctl(memdev_fd, MEMALLOC_IOCSFREEBUFFER, &bus_address1); printf("address:\t\t0x%08x\n", bus_address1); } printf("release %d ", size); /*ioctl(memdev_fd_2, MEMALLOC_IOCSFREEBUFFER, &bus_address2); printf("address:\t\t0x%08x\n", bus_address2); virtual1 = MAP_FAILED; virtual2 = MAP_FAILED;*/ if (!(i % 30)) { close(memdev_fd); memdev_fd = open(memdev, O_RDWR); if (memdev_fd == -1) { printf("Failed to open dev: %s\n", memdev); goto end1; } } close(memdev_fd_2); memdev_fd_2 = open(memdev, O_RDWR); if (memdev_fd_2 == -1) { printf("Failed to open dev: %s\n", memdev); goto end1; } } end1: close(memdev_fd); close(memdev_fd_2); close(memdev_map); return 0; }