diff options
| author |   Xiantao Zhang <xiantao.zhang@intel.com> | 2008-09-12 20:23:11 +0800 |
|---|---|---|
| committer |   Avi Kivity <avi@redhat.com> | 2008-10-15 14:25:12 +0200 |
| commit | 81aec5227eedf9035e8544d8021ca6b8fb7c357a (patch) | |
| tree | 3e2166dd2b54cb433b2492c052fa5637e10d38fd /arch/ia64/kvm/optvfault.S | |
| parent | KVM: Remove useless intel-iommu.h header inclusion (diff) | |
| download | linux-dev-81aec5227eedf9035e8544d8021ca6b8fb7c357a.tar.xz linux-dev-81aec5227eedf9035e8544d8021ca6b8fb7c357a.zip | |
KVM: ia64: Implement a uniform vps interface
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>
Diffstat (limited to 'arch/ia64/kvm/optvfault.S')
| -rw-r--r-- | arch/ia64/kvm/optvfault.S | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/arch/ia64/kvm/optvfault.S b/arch/ia64/kvm/optvfault.S index e4f15d641b22..f0bf0a8efa3e 100644 --- a/arch/ia64/kvm/optvfault.S +++ b/arch/ia64/kvm/optvfault.S @@ -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 |