咨询问题

核间中断
2018-12-11

核间通讯采用共享内存方式,用核间中断去通知目标cpu,cpu0跑Linux,cpu1裸跑,在linux中如何使用核间中断

VCU1525电源引脚图
2018-10-23

请问VCU1525的8针的电源插头具体管脚定义是怎样的?能直接用CPU供电的8PIN电源插头吗?

Zynq UltraScale+ MPSoC 平台 kernel编译 ex4和gpu编译出错
2018-01-29

我在ubuntu-14.04.5虚拟机上编译贵司Zynq UltraScale+ MPSoC 平台的kernel,使用的是贵司官网上的kernei(网址:https://github.com/Xilinx/linux-xlnx),先后执行make mrproper make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- xilinx_zynqmp_defconfig make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- menuconfig make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- -j4 ,在最后一步时出错,提示: make[2]: *** No rule to make target `fs/ext4/indirect.o', needed by `fs/ext4/ext4.o'. Stop. make[1]: *** [fs/ext4] Error 2 make[1]: *** Waiting for unfinished jobs.... make[3]: *** No rule to make target `drivers/gpu/drm/drm_bufs.o', needed by `drivers/gpu/drm/drm.o'. Stop. make[2]: *** [drivers/gpu/drm] Error 2 make[1]: *** [drivers/gpu] Error 2 make: *** [drivers] Error 2 make: *** Waiting for unfinished jobs.... make: *** [fs] Error 2 ex4和gpu两部分编译出错,这是怎么回事?

cpu1中断出现unexpected IRQ trap at vector 00
2017-12-12

cpu0跑linux,cpu1裸跑。cpu0程序很简单,启动cpu1,while循环打印。cpu1接收PL-PS的共享中断,主函数while循环打印,中断函数也是简单的打印。 问题:当cpu1执行起来时,中断时间到达时就从串口打印unexpected IRQ trap at vector 00 这句话,不知为什么?

Xilinx Zync7020
2017-12-05

Xilinx的Zync7020中的ARM,如何用Linux编程

内存查看
2017-09-16

您好,请问如何查看zynq7000的内存是否发生了变化

QT安装交叉编译环境出错
2017-08-06

make[2]: *** [sub-corelib-make_first] Error 3 make[2]: Leaving directory `/home/alinx/Downloads/qt_file/qt-everywhere-opensource-src-5.2.1/qtbase/src' make[1]: *** [sub-src-make_first] Error 2 make[1]: Leaving directory `/home/alinx/Downloads/qt_file/qt-everywhere-opensource-src-5.2.1/qtbase' make: *** [module-qtbase-make_first] Error 2 root@ubuntu:/home/alinx/Downloads/qt_file/qt-everywhere-opensource-src-5.2.1# make cd qtbase/ && ( test -e Makefile || /home/alinx/Downloads/qt_file/qt-everywhere-opensource-src-5.2.1/qtbase/bin/qmake /home/alinx/Downloads/qt_file/qt-everywhere-opensource-src-5.2.1/qtbase/qtbase.pro -o Makefile ) && make -f Makefile make[1]: Entering directory `/home/alinx/Downloads/qt_file/qt-everywhere-opensource-src-5.2.1/qtbase' cd src/ && ( test -e Makefile || /home/alinx/Downloads/qt_file/qt-everywhere-opensource-src-5.2.1/qtbase/bin/qmake /home/alinx/Downloads/qt_file/qt-everywhere-opensource-src-5.2.1/qtbase/src/src.pro -o Makefile ) && make -f Makefile make[2]: Entering directory `/home/alinx/Downloads/qt_file/qt-everywhere-opensource-src-5.2.1/qtbase/src' cd tools/bootstrap/ && ( test -e Makefile || /home/alinx/Downloads/qt_file/qt-everywhere-opensource-src-5.2.1/qtbase/bin/qmake /home/alinx/Downloads/qt_file/qt-everywhere-opensource-src-5.2.1/qtbase/src/tools/bootstrap/bootstrap.pro -o Makefile ) && make -f Makefile make[3]: Entering directory `/home/alinx/Downloads/qt_file/qt-everywhere-opensource-src-5.2.1/qtbase/src/tools/bootstrap' make[3]: Nothing to be done for `first'. make[3]: Leaving directory `/home/alinx/Downloads/qt_file/qt-everywhere-opensource-src-5.2.1/qtbase/src/tools/bootstrap' cd tools/moc/ && ( test -e Makefile || /home/alinx/Downloads/qt_file/qt-everywhere-opensource-src-5.2.1/qtbase/bin/qmake /home/alinx/Downloads/qt_file/qt-everywhere-opensource-src-5.2.1/qtbase/src/tools/moc/moc.pro -o Makefile ) && make -f Makefile make[3]: Entering directory `/home/alinx/Downloads/qt_file/qt-everywhere-opensource-src-5.2.1/qtbase/src/tools/moc' make[3]: Nothing to be done for `first'. make[3]: Leaving directory `/home/alinx/Downloads/qt_file/qt-everywhere-opensource-src-5.2.1/qtbase/src/tools/moc' cd tools/rcc/ && ( test -e Makefile || /home/alinx/Downloads/qt_file/qt-everywhere-opensource-src-5.2.1/qtbase/bin/qmake /home/alinx/Downloads/qt_file/qt-everywhere-opensource-src-5.2.1/qtbase/src/tools/rcc/rcc.pro -o Makefile ) && make -f Makefile make[3]: Entering directory `/home/alinx/Downloads/qt_file/qt-everywhere-opensource-src-5.2.1/qtbase/src/tools/rcc' make[3]: Nothing to be done for `first'. make[3]: Leaving directory `/home/alinx/Downloads/qt_file/qt-everywhere-opensource-src-5.2.1/qtbase/src/tools/rcc' cd corelib/ && ( test -e Makefile || /home/alinx/Downloads/qt_file/qt-everywhere-opensource-src-5.2.1/qtbase/bin/qmake /home/alinx/Downloads/qt_file/qt-everywhere-opensource-src-5.2.1/qtbase/src/corelib/corelib.pro -o Makefile ) && make -f Makefile Project ERROR: Module does not define version. make[2]: *** [sub-corelib-make_first] Error 3 make[2]: Leaving directory `/home/alinx/Downloads/qt_file/qt-everywhere-opensource-src-5.2.1/qtbase/src' make[1]: *** [sub-src-make_first] Error 2 make[1]: Leaving directory `/home/alinx/Downloads/qt_file/qt-everywhere-opensource-src-5.2.1/qtbase' make: *** [module-qtbase-make_first] Error 2 root@ubuntu:/home/alinx/Downloads/qt_file/qt-everywhere-opensource-src-5.2.1#

SD卡启动时,识别到uboot的可执行地址,但是没有执行
2017-07-18

设置SD启动,不添加.bit文件,生成BOOT.BIN,FSBL能够启动,并找到uboot的执行地址,但是uboot并没有启动,然后打印中断信息,然后打印this boot mode doesn't support fallback in fsblhookfallback function

屏幕点不亮
2016-07-18

LINUX 系统息屏后长时间不操作,屏幕点不亮,可是其他的一切正常运行,用手电筒照着可以看到屏幕上有数据刷新,这个是怎么回事呢,我看到你回复别人的帖子是要重新设置背光,可是重新设置背光也不管用!怎么回事呢?谢谢 (ZYNQ 7020)

ZYNQ的SDK在哪里下载
2016-01-08

1.ZYNQ的SDK在哪里下载? 2.软件开发环境如何搭建?需要下载什么?

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