Thanks Peter and Arun, I can understand now :)
Any good documentation to understand UEFI ? On Fri, Feb 14, 2014 at 10:32 AM, Peter Teoh <[email protected]>wrote: > FYI, the "firmware" are loaded from flash: > > http://en.wikipedia.org/wiki/Flash_memory > > which means microcontroller (or microprocessor) + DMA/DDR memory + flash > are the usual makeup of an embedded system. flash are non-volatile, but > normally it is slower and cannot be executed as CPU or microncontroller > instruction. which is why you will need to load it into memory to be > executed: > > http://lwn.net/Articles/135472/ > > cheers. > > > On Mon, Feb 10, 2014 at 9:29 PM, Jeshwanth <[email protected]> wrote: > >> Hello List, >> >> I came to know that, linux loads firmware for my dma everytime it boots. >> But I don't understand, why it is required to load everytime it boots, >> don't dma holds which is loaded previously. >> AFAIK, firmware is a program which runs in devices. >> >> Please correct me if I am wrong. >> >> Thanks :) >> >> Regards, >> Jeshwanth >> >> Sent from my HTC >> >> >> _______________________________________________ >> Kernelnewbies mailing list >> [email protected] >> http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies >> >> > > > -- > Regards, > Peter Teoh > -- Regards Jeshwanth Kumar N K Bangalore, India
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