[lkml]   [2003]   [Sep]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: How do I access ioports from userspace?
>>>>> "Ben" == Benjamin Herrenschmidt <> writes:

Ben> On Fri, 2003-09-26 at 09:34, Frank v Waveren wrote:
>> in[bwl]/out[bwl] are available on a lot more than just x86. Mind
>> you, the mechanisms are subtly different. Then again, if you're
>> using direct hardware access you're not going for portability
>> anyway.

Ben> Are they from userland ? I doubt it...

Actually yes on some architectures, ia64 emulates it the ia32
API. That said, it's certainly not something one should be encouraged
to do, using MMIO is a far better approach.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:48    [W:0.304 / U:0.380 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site