Hi ! I wanted to know where in the kernel source of x-86 arch is the implementation of inb , outb , inb_p ,outb_p ,etc done ? I'am conversant with its usage . Looking forward for your help . Regards . --- Iqbal <iqbal@naturesoft.net> wrote: > > These api's are used to communicate to the i/o ports > > here the address bits can range from 8/16/32 > bits.(for ex: serial > port,parallel port etc). > > Try to have a look at the understanding of the i/o > mapped i/o(inb,outb) > and the memory mapped i/o(readb,writeb) concepts. > > Iqbal > > On Tue, 2003-01-21 at 11:33, Anticipating a Reply > wrote: > > > > Hi , > > > > I wanted to know where the functions > > "inb","outb" , ...etc . > > > > I checked out the below file : > > /usr/src/linux/include/asm-i386/io.h > > which has comment saying definitions are > > in that file , but I could not understand it . > > > > Kindly please help me understand how this works . > > > > > Thanks in advance . > > > > Regards ! > > > > > > > > > ________________________________________________________________________ > > Missed your favourite TV serial last night? Try > the new, Yahoo! TV. > > visit http://in.tv.yahoo.com > > -- > > Kernelnewbies: Help each other learn about the > Linux kernel. > > Archive: > http://mail.nl.linux.org/kernelnewbies/ > > FAQ: http://kernelnewbies.org/faq/ > > > > > > ________________________________________________________________________ Missed your favourite TV serial last night? Try the new, Yahoo! TV. visit http://in.tv.yahoo.com -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/