diff options
author | Thomas White <taw@bitwiz.org.uk> | 2009-08-02 22:33:34 +0100 |
---|---|---|
committer | Thomas White <taw@bitwiz.org.uk> | 2009-08-02 22:33:34 +0100 |
commit | 07e99d9fb491d625034fc21e3f2d631acce341bf (patch) | |
tree | 02e1fbe11ba5ccb3e17d75cc7d10951adb5c696c /gdrm-gem-mmap.c | |
parent | f78d8b45197942fb9e3e17e263160b4b50a862a2 (diff) |
Add GEM mmap() and KMS tests
'gdrm-gem-mmap' creates a GEM object, mmap()s it, and tests access.
'gdrm-kms-addfb' creates a GEM object, switches the active framebuffer to use it,
and writes random colours to it via memory mapped access.
Diffstat (limited to 'gdrm-gem-mmap.c')
-rw-r--r-- | gdrm-gem-mmap.c | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/gdrm-gem-mmap.c b/gdrm-gem-mmap.c new file mode 100644 index 0000000..dc9aef0 --- /dev/null +++ b/gdrm-gem-mmap.c @@ -0,0 +1,150 @@ +/* + * gdrm-gem-mmap.c + * + * Test Glamo DRM GEM memory mapping + * + * (c) 2009 Thomas White <taw@bitwiz.org.uk> + * + * 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 3 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, see <http://www.gnu.org/licenses/>. + * Copyright © 2008 Intel Corporation + * + * + * Based on tests/gem_mmap.c from libdrm, to which the following notice applies: + * + * Copyright © 2008 Intel Corporation + * + * 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 (including the next + * paragraph) 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. + * + * Authors: + * Eric Anholt <eric@anholt.net> + * + */ + +#define _FILE_OFFSET_BITS 64 + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <assert.h> +#include <fcntl.h> +#include <inttypes.h> +#include <errno.h> +#include <sys/stat.h> +#include <sys/mman.h> + +#include "drm.h" +#include "glamo_drm.h" +#include "drmtest.h" + +#define OBJECT_SIZE 16384 + +int main(int argc, char **argv) +{ + int fd; + struct drm_glamo_gem_create create; + struct drm_glamo_gem_mmap mmap_arg; + struct drm_gem_close unref; + uint8_t expected[OBJECT_SIZE]; + uint8_t buf[OBJECT_SIZE]; + uint8_t *addr; + uint16_t *addr16; + int ret; + int handle; + char tmp[4]; + int i; + + fd = drm_open_any(); + + memset(&mmap_arg, 0, sizeof(mmap_arg)); + mmap_arg.handle = 0x10101010; + printf("Testing mmaping of bad object.\n"); + ret = ioctl(fd, DRM_IOCTL_GLAMO_GEM_MMAP, &mmap_arg); + assert(ret == -1 && errno == EBADF); + + memset(&create, 0, sizeof(create)); + create.size = OBJECT_SIZE; + ret = ioctl(fd, DRM_IOCTL_GLAMO_GEM_CREATE, &create); + assert(ret == 0); + handle = create.handle; + + printf("Testing mmaping of newly created object.\n"); + mmap_arg.handle = handle; + mmap_arg.offset = 0; + ret = ioctl(fd, DRM_IOCTL_GLAMO_GEM_MMAP, &mmap_arg); + assert(ret == 0); + + printf("The offset is %8llx\n", (long long int)mmap_arg.offset); + addr = mmap(0, OBJECT_SIZE, PROT_READ | PROT_WRITE, + MAP_SHARED, fd, mmap_arg.offset); + printf("Virtual address is 0x%p\n", addr); + + printf("Press enter to continue...\n"); + fgets(tmp, 3, stdin); + + printf("Testing contents of newly created object.\n"); + addr16 = (uint16_t *)addr; + for ( i=0; i<OBJECT_SIZE/2; i++ ) { + addr16[i] = 0xABCD; + } + for ( i=0; i<OBJECT_SIZE/2; i++ ) { + if ( addr16[i] != 0xABCD ) { + printf("%i = %16x\n", i, addr16[i]); + } + } + for ( i=0; i<OBJECT_SIZE/2; i++ ) { + if ( addr16[i] != 0xABCD ) { + printf("%i = %16x\n", i, addr16[i]); + } + } + + printf("Testing that mapping stays after close\n"); + unref.handle = handle; + ret = ioctl(fd, DRM_IOCTL_GEM_CLOSE, &unref); + assert(ret == 0); + addr16 = (uint16_t *)addr; + for ( i=0; i<OBJECT_SIZE/2; i++ ) { + if ( addr16[i] != 0xABCD ) { + printf("%i = %16x\n", i, addr16[i]); + } + } + for ( i=0; i<OBJECT_SIZE/2; i++ ) { + if ( addr16[i] != 0xABCD ) { + printf("%i = %16x\n", i, addr16[i]); + } + } + + printf("Testing unmapping\n"); + munmap(addr, OBJECT_SIZE); + + close(fd); + + return 0; +} |