use dma_heap::{Heap, HeapKind}; let heap = DmaBufHeap::new(HeapKind::Cma) let heap = Heap::new(HeapKind::Cma) .unwrap(); // Buffer will automatically be freed when `buffer` goes out of scope. 4 changes: 2 additions & 2 deletions 4 src/lib.rs Original file line numberDiff ...
Description:增加renderserivce 访问安全内存属组dev_dma_heapIssue number:https://gitee.com/openharmony/graphi...
dma-heap: Flag error enum as non-exhaustive Feb 15, 2024 .gitignore Initial Version of the dma-heaps crate Apr 16, 2021 .rustfmt.toml Initial Version of the dma-heaps crate Apr 16, 2021 Cargo.toml chore: Release dma-heap version 0.4.0 ...
打开你的终端,并使用cd命令导航到包含dmabuf-heap.c文件的目录。例如,如果文件位于/home/user/projects/目录下,你可以输入: bash cd /home/user/projects/ 输入编译命令: 在终端中输入以下命令来编译dmabuf-heap.c文件: bash gcc -o dmabuf-heap dmabuf-heap.c 这条命令告诉GCC编译器将dmabuf-heap.c文件...
在安卓系统中,DMA BUF 堆常用于实现图像传输。例如,一个摄像头设备可以将采集到的图像数据存储在 DMA BUF 堆中,然后其他设备(如显示器、图像处理单元)可以直接从该 DMA BUF 堆中读取图像数据,无需复制。 工作原理 1.摄像头设备采集图像数据,并将其存储在 DMA BUF 堆中。 2.图像处理单元从 DMA BUF 堆中读取...
(Linux kernel driver) is, that no-map option from device tree section (see beginning of this thread) sets option "cached" from struct carveout_dma_heap_buffer to "FALSE". Following is a table which summarizes the effect of these options on...
申请dma_buf时传入的heap_flags不需要等于0 如何复现该缺陷 申请dma_buf时传入的heap_flags不需要等于0 其他补充信息 版本或分支信息 master Release 4.1 Release 4.0 Release 3.2 周梦杰 创建了任务 8个月前 周梦杰 添加了 bug 标签 8个月前 展开全部操作日志 openharmony_ci 成员 8个月前 感谢提交Issu...
heap-buffer-overflow in esp_do_dma() 已关闭议题由Chuhong Yuan创建于1年前 Host environment Operating system: Ubuntu 20.04 OS/kernel version: Linux 5.4.0-148 Architecture: x86_64 QEMU flavor: qemu-system-x86_64 QEMU version: commit atc167c80b...
I'm having some new issues with the address returned from heap_caps_calloc with the MALLOC_CAP_DMA and assigning that address to the 20-bit outlink.addr property of the i2s_dev_t. The address returned from heap_caps_calloc is higher than 20 bits and I feel that I haven't had this ...
const DMA_HEAP_IOC_MAGIC: u8 = b'H'; const DMA_HEAP_IOC_ALLOC: u8 = 0; #[derive(Default)] #[repr(C)] pub struct dma_heap_allocation_data { pub len: u64, pub fd: u32, pub fd_flags: u32, pub heap_flags: u64, } ioctl_readwrite!( dma_heap_alloc, DMA_HEAP_IOC_MAGIC,...