|Subject:||watch exception only for kseg0 addresses..?|
|From:||"atul srivastava" <firstname.lastname@example.org>|
|Date:||25 Nov 2002 07:52:38 -0000|
|Reply-to:||"atul srivastava" <email@example.com>|
Hello,I am trying to set a watch exception in (IDT RC32334) my debugging execise In arch/mips/lib/watch.S says "curremtly available only for KSEG0 address"
which is evident by following assembly.. LEAF(__watch_set) li t0,0x80000000 subu a0,t0 ori a0,7 xori a0,7 or a0,a1 mtc0 a0,CP0_WATCHLO .......it is loading the physical address of KSEG0 addresses in CP0 watchpoint register.
in change history of this file i am able to see KSEG0 restriction removed only for arch/mips64/lib/watch.S...
while my manual is not specific about KSEG0 , can i safely use it for all addresses ,offcourse then above assembly has to be modified appropiately for addresses of different regions..
Best Regards. Ashish
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