发布时间:2013-07-25 13:58:11
摘自 arm architecture reference manual.B2.2.4 Cache maintenance functionalityARMv7 redefines the required CP15 cache maintenance operations. The two main features of this changeare:? improved support for multiple levels of cache, including abstracting how many levels of cache areimplemented..........【阅读全文】
发布时间:2013-07-23 10:40:09
1、触发异常的线性地址处于用户空间的vma中: 1.1 如果是stack消耗完了而触发的,则对进程的栈区进行扩展,并分配物理页。 1.2 其他,则直接检查访问权限,如果OK的话内核就给进程分配相应的物理页了2, 触发异常的线性地址不处于用户空间的vma中, 则作为一次非法地.........【阅读全文】
发布时间:2013-06-06 10:47:54
...[ 0.000000] MEMBLOCK configuration:[ 0.000000] memory size = 0x25000000 reserved size = 0x163c494[ 0.000000] memory.cnt = 0x1[ 0.000000] memory[0x0] [0x00000001000000-0x00000025ffffff], 0x25000000 bytes.........【阅读全文】