lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

KVM: ia64: Implement a uniform vps interface

Browse Source 
An uniform entry kvm_vps_entry is added for
vps_sync_write/read, vps_resume_handler/guest,
and branches to differnt PAL service according to the offset.

Singed-off-by: Anthony Xu <anthony.xu@intel.com>
Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Xiantao Zhang
2008-09-12 20:23:11 +08:00
committed by Avi Kivity
parent 271b05281f
commit 81aec5227e
4 changed files with 85 additions and 52 deletions
Download Patch File Download Diff File Expand all files Collapse all files

69
arch/ia64/kvm/optvfault.S
View File

@@ -20,6 +20,75 @@
#define ACCE_MOV_TO_PSR
#define ACCE_THASH
ENTRY(kvm_vps_entry)
adds r29 = VMM_VCPU_VSA_BASE_OFFSET,r21
;;
ld8 r29 = [r29]
;;
add r29 = r29, r30
;;
mov b0 = r29
br.sptk.many b0
END(kvm_vps_entry)
/*
* Inputs:
* r24 : return address
* r25 : vpd
* r29 : scratch
*
*/
GLOBAL_ENTRY(kvm_vps_sync_read)
movl r30 = PAL_VPS_SYNC_READ
;;
br.sptk.many kvm_vps_entry
END(kvm_vps_sync_read)
/*
* Inputs:
* r24 : return address
* r25 : vpd
* r29 : scratch
*
*/
GLOBAL_ENTRY(kvm_vps_sync_write)
movl r30 = PAL_VPS_SYNC_WRITE
;;
br.sptk.many kvm_vps_entry
END(kvm_vps_sync_write)
/*
* Inputs:
* r23 : pr
* r24 : guest b0
* r25 : vpd
*
*/
GLOBAL_ENTRY(kvm_vps_resume_normal)
movl r30 = PAL_VPS_RESUME_NORMAL
;;
mov pr=r23,-2
br.sptk.many kvm_vps_entry
END(kvm_vps_resume_normal)
/*
* Inputs:
* r23 : pr
* r24 : guest b0
* r25 : vpd
* r17 : isr
*/
GLOBAL_ENTRY(kvm_vps_resume_handler)
movl r30 = PAL_VPS_RESUME_HANDLER
;;
ld8 r27=[r25]
shr r17=r17,IA64_ISR_IR_BIT
;;
dep r27=r17,r27,63,1 // bit 63 of r27 indicate whether enable CFLE
mov pr=r23,-2
br.sptk.many kvm_vps_entry
END(kvm_vps_resume_handler)
//mov r1=ar3
GLOBAL_ENTRY(kvm_asm_mov_from_ar)
#ifndef ACCE_MOV_FROM_AR