use the /dev/kmem device file and read it as you read the physical memory.kmem is just an image of the physical memory. Regards Suthambhara On Tue, 2 Nov 2004 20:12:14 +0000, Jon Masters <jonmasters@xxxxxxxxx> wrote: > 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/ > > -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
