发布时间：2014-12-12 14:07:42

先说下昨天的zreladdr，定义在Makefile里。arch/arm/boot/Makefile20 # Note: the following conditions must always be true:21 # ZRELADDR == virt_to_phys(PAGE_OFFSET + TEXT_OFFSET)22 # PARAMS_PHYS must be within 4MB of ZRELADDR23 # INITRD_.........【阅读全文】

发布时间：2014-12-09 21:44:41

It's odd. There are some errors when I compiling android's kernel. I remember I compiled it already.Anyway  CC      drivers/gpu/vithar/kds/lib/kds/kds.oarm-eabi-gcc: error: directory: No such file or directoryarm-eabi-gcc: error: directory": No such file or direct.........【阅读全文】

发布时间：2014-12-05 18:09:40

Xenheap 和domheap的区别Ian Campbell在Xen-devel里的回答Thereare two models for xen vs. domheap, and therefore two version ofinit_*heap_pages. Theoriginal model is the split heap model, which is used on platformswhichhave smaller virtual address spaces..........【阅读全文】

发布时间：2014-12-04 17:24:31

Xen里内存相关的函数都是什么时候用的？alloc_xenheap_pages()alloc_domheap_pages()vmap()vm_alloc()ioremap()map_mmio_region()先说一台真实的机器有自己的物理地址空间。 xen也有自己的地址空间。Xen 什么时候进的分页模式我还没弄清楚。256M-1G的虚拟地址空间是xen用来map设备的物理.........【阅读全文】