Messages in this thread |  | | Date | Tue, 19 Jun 2001 01:18:41 +0200 | | From | Erik Mouw <> | | Subject | Re: gnu asm help... |
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On Mon, Jun 18, 2001 at 03:56:50PM -0700, Raj, Ashok wrote: > i can understand what the LOCK "incl %0 means.. but not sure what the rest > is for. > > thanks > ashokr > > static __inline__ void atomic_inc(atomic_t *v) > { > __asm__ __volatile__( > LOCK "incl %0" > :"=m" (v->counter) > :"m" (v->counter)); > }
I also don't know the exact meaning, but here are two nice tutorials about inline assembly:
http://www-106.ibm.com/developerworks/linux/library/l-ia.html http://www.uwsg.indiana.edu/hypermail/linux/kernel/9804.2/0953.html
Erik
-- J.A.K. (Erik) Mouw, Information and Communication Theory Group, Department of Electrical Engineering, Faculty of Information Technology and Systems, Delft University of Technology, PO BOX 5031, 2600 GA Delft, The Netherlands Phone: +31-15-2783635 Fax: +31-15-2781843 Email: J.A.K.Mouw@its.tudelft.nl WWW: http://www-ict.its.tudelft.nl/~erik/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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