On Tue, 4 Feb 2003, Ross Vumbaca wrote: > Geert Uytterhoeven wrote: > > ISA I/O space is the low part of PCI I/O space. > > ISA memory space is something different (not available on Macs). > > I should mention I am not using a Mac, it is an "AmigaOne/MAI Teron" > board, which is basically an ATX board with a VIA Southbridge (hence the > ISA peripherals), and a PPC Specific Northbridge which provides PC like > functions (AGP, PCI...).
OK. That's almost a LongTrail with different North and South bridges ;-) > >>The above code (not using ioperm) works if I put it into the kernel, e.g > >>in the dma.c driver, but I wanted to use it from user space when I need > >>it (which is why I have ioperm), not to put it in the kernel. There does > >>not seem to be any sys/io.h with the PowerPC libc, and no inb or ioperm > >>functions for user space programs (???), the above program won't build > >>on PowerPC. > > > Does my sio.c still build? > > I tried to built it (after changing CHRP_ISA_IO_BASE), but for some > reason there is no "inb" or "outb" functions, i.e > > sio.c: In function `sio_write': > sio.c:80: warning: implicit declaration of function `outb' > sio.c: In function `sio_read': > sio.c:87: warning: implicit declaration of function `inb' > > and of course it fails to link. I compile with "gcc -g -Wall -O2", am I > doing something badly wrong here? Add #define __KERNEL__ before including <asm/io.h>. When I wrote sio.c, the #ifdef __KERNEL__ wasn't in <asm/io.h> yet. So glibc should define ioperm(), and inb() and friends. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [EMAIL PROTECTED] In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds