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/*
* Cache flushing routines.
*
* Copyright (C) 1999-2000 Hewlett-Packard Co
* Copyright (C) 1999-2000 David Mosberger-Tang <davidm@hpl.hp.com>
*/
#include <asm/asmmacro.h>
#include <asm/page.h>
.text
.psr abi64
.psr lsb
.lsb
GLOBAL_ENTRY(ia64_flush_icache_page)
UNW(.prologue)
alloc r2=ar.pfs,1,0,0,0
UNW(.save ar.lc, r3)
mov r3=ar.lc // save ar.lc
.body
mov r8=PAGE_SIZE/64-1 // repeat/until loop
;;
mov ar.lc=r8
add r8=32,in0
;;
.Loop1: fc in0 // issuable on M0 only
add in0=64,in0
fc r8
add r8=64,r8
br.cloop.sptk.few .Loop1
;;
sync.i
;;
srlz.i
;;
mov ar.lc=r3 // restore ar.lc
br.ret.sptk.few rp
END(ia64_flush_icache_page)
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