On Tue, Apr 22, 2008 at 12:46 PM, Shyamal Shukla <shyamalshukla@xxxxxxxxx> wrote: > Hi, > > Some further questions on the same issue. At the time of kernel > initialization, we have several set_trap_gate() and set_system_gate() > function calls. As i understand, in case of x86, each of these shall install > an entry in the Interrupt Descriptor Table at a particular index. > > When the same interrupt occurs, the entry in IDT shall provide the Segment > Selector and the offset in the segment, at which the interrupt handler code > can be found. > > If the above understanding is correct, what role do the multiple ENTRY() > linker script directives have to play in entry.S? yeah, pls see: http://lxr.linux.no/linux/include/linux/linkage.h#L31 #define ENTRY(name) \ 32 .globl name; \ 33 ALIGN; \ 34 name: 35#endif I am sure you have the clue now... regards, Mulyadi. -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
