summaryrefslogtreecommitdiffstats
path: root/arch/ia64/xen/xenivt.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/ia64/xen/xenivt.S')
-rw-r--r--arch/ia64/xen/xenivt.S52
1 files changed, 0 insertions, 52 deletions
diff --git a/arch/ia64/xen/xenivt.S b/arch/ia64/xen/xenivt.S
deleted file mode 100644
index 3e71d50..0000000
--- a/arch/ia64/xen/xenivt.S
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * arch/ia64/xen/ivt.S
- *
- * Copyright (C) 2005 Hewlett-Packard Co
- * Dan Magenheimer <dan.magenheimer@hp.com>
- *
- * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
- * VA Linux Systems Japan K.K.
- * pv_ops.
- */
-
-#include <asm/asmmacro.h>
-#include <asm/kregs.h>
-#include <asm/pgtable.h>
-
-#include "../kernel/minstate.h"
-
- .section .text,"ax"
-GLOBAL_ENTRY(xen_event_callback)
- mov r31=pr // prepare to save predicates
- ;;
- SAVE_MIN_WITH_COVER // uses r31; defines r2 and r3
- ;;
- movl r3=XSI_PSR_IC
- mov r14=1
- ;;
- st4 [r3]=r14
- ;;
- adds r3=8,r2 // set up second base pointer for SAVE_REST
- srlz.i // ensure everybody knows psr.ic is back on
- ;;
- SAVE_REST
- ;;
-1:
- alloc r14=ar.pfs,0,0,1,0 // must be first in an insn group
- add out0=16,sp // pass pointer to pt_regs as first arg
- ;;
- br.call.sptk.many b0=xen_evtchn_do_upcall
- ;;
- movl r20=XSI_PSR_I_ADDR
- ;;
- ld8 r20=[r20]
- ;;
- adds r20=-1,r20 // vcpu_info->evtchn_upcall_pending
- ;;
- ld1 r20=[r20]
- ;;
- cmp.ne p6,p0=r20,r0 // if there are pending events,
- (p6) br.spnt.few 1b // call evtchn_do_upcall again.
- br.sptk.many xen_leave_kernel // we know ia64_leave_kernel is
- // paravirtualized as xen_leave_kernel
-END(xen_event_callback)
OpenPOWER on IntegriCloud