On Tue, 02 Nov 2004 10:26:42 -0600, Timur Tabi <timur.tabi@xxxxxxxxxxx> wrote: > Jeba Anandhan A wrote: > > i like to access physical memory from starting to > > end.i wish to copy all contents of physical memory > > and processor registers values into one file and when > > i boot my machine,i have to place the contents into > > RAM inorder to get old state of machine.[ie like > > hibernate].help me how to do it.some more questions > > are,when should place the content of file into RAM > It's a nice idea, but it probably won't work, because you won't be able > to re-initialize the state of your I/O devices like this. That's why > hibernate depends on the device drivers to shut down and restore each > I/O device, but only the driver knows how to do that. More worringly, even if it did work then you'd have to be careful in the implementation not to let the kernel go mount the root filesystem read/write before restoring an old context, and other similar problems. Jon. -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
