[PATCH 40/45] KVM: ia64: Add optimization for some virtulization faults
From: Avi Kivity
Date: Thu Apr 17 2008 - 05:29:14 EST
From: Xiantao Zhang <xiantao.zhang@xxxxxxxxx>
optvfault.S Add optimization for some performance-critical
virtualization faults.
Signed-off-by: Anthony Xu <anthony.xu@xxxxxxxxx>
Signed-off-by: Xiantao Zhang <xiantao.zhang@xxxxxxxxx>
Signed-off-by: Avi Kivity <avi@xxxxxxxxxxxx>
---
arch/ia64/kvm/optvfault.S | 918 +++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 918 insertions(+), 0 deletions(-)
create mode 100644 arch/ia64/kvm/optvfault.S
diff --git a/arch/ia64/kvm/optvfault.S b/arch/ia64/kvm/optvfault.S
new file mode 100644
index 0000000..e4f15d6
--- /dev/null
+++ b/arch/ia64/kvm/optvfault.S
@@ -0,0 +1,918 @@
+/*
+ * arch/ia64/vmx/optvfault.S
+ * optimize virtualization fault handler
+ *
+ * Copyright (C) 2006 Intel Co
+ * Xuefei Xu (Anthony Xu) <anthony.xu@xxxxxxxxx>
+ */
+
+#include <asm/asmmacro.h>
+#include <asm/processor.h>
+
+#include "vti.h"
+#include "asm-offsets.h"
+
+#define ACCE_MOV_FROM_AR
+#define ACCE_MOV_FROM_RR
+#define ACCE_MOV_TO_RR
+#define ACCE_RSM
+#define ACCE_SSM
+#define ACCE_MOV_TO_PSR
+#define ACCE_THASH
+
+//mov r1=ar3
+GLOBAL_ENTRY(kvm_asm_mov_from_ar)
+#ifndef ACCE_MOV_FROM_AR
+ br.many kvm_virtualization_fault_back
+#endif
+ add r18=VMM_VCPU_ITC_OFS_OFFSET, r21
+ add r16=VMM_VCPU_LAST_ITC_OFFSET,r21
+ extr.u r17=r25,6,7
+ ;;
+ ld8 r18=[r18]
+ mov r19=ar.itc
+ mov r24=b0
+ ;;
+ add r19=r19,r18
+ addl r20=@gprel(asm_mov_to_reg),gp
+ ;;
+ st8 [r16] = r19
+ adds r30=kvm_resume_to_guest-asm_mov_to_reg,r20
+ shladd r17=r17,4,r20
+ ;;
+ mov b0=r17
+ br.sptk.few b0
+ ;;
+END(kvm_asm_mov_from_ar)
+
+
+// mov r1=rr[r3]
+GLOBAL_ENTRY(kvm_asm_mov_from_rr)
+#ifndef ACCE_MOV_FROM_RR
+ br.many kvm_virtualization_fault_back
+#endif
+ extr.u r16=r25,20,7
+ extr.u r17=r25,6,7
+ addl r20=@gprel(asm_mov_from_reg),gp
+ ;;
+ adds r30=kvm_asm_mov_from_rr_back_1-asm_mov_from_reg,r20
+ shladd r16=r16,4,r20
+ mov r24=b0
+ ;;
+ add r27=VMM_VCPU_VRR0_OFFSET,r21
+ mov b0=r16
+ br.many b0
+ ;;
+kvm_asm_mov_from_rr_back_1:
+ adds r30=kvm_resume_to_guest-asm_mov_from_reg,r20
+ adds r22=asm_mov_to_reg-asm_mov_from_reg,r20
+ shr.u r26=r19,61
+ ;;
+ shladd r17=r17,4,r22
+ shladd r27=r26,3,r27
+ ;;
+ ld8 r19=[r27]
+ mov b0=r17
+ br.many b0
+END(kvm_asm_mov_from_rr)
+
+
+// mov rr[r3]=r2
+GLOBAL_ENTRY(kvm_asm_mov_to_rr)
+#ifndef ACCE_MOV_TO_RR
+ br.many kvm_virtualization_fault_back
+#endif
+ extr.u r16=r25,20,7
+ extr.u r17=r25,13,7
+ addl r20=@gprel(asm_mov_from_reg),gp
+ ;;
+ adds r30=kvm_asm_mov_to_rr_back_1-asm_mov_from_reg,r20
+ shladd r16=r16,4,r20
+ mov r22=b0
+ ;;
+ add r27=VMM_VCPU_VRR0_OFFSET,r21
+ mov b0=r16
+ br.many b0
+ ;;
+kvm_asm_mov_to_rr_back_1:
+ adds r30=kvm_asm_mov_to_rr_back_2-asm_mov_from_reg,r20
+ shr.u r23=r19,61
+ shladd r17=r17,4,r20
+ ;;
+ //if rr6, go back
+ cmp.eq p6,p0=6,r23
+ mov b0=r22
+ (p6) br.cond.dpnt.many kvm_virtualization_fault_back
+ ;;
+ mov r28=r19
+ mov b0=r17
+ br.many b0
+kvm_asm_mov_to_rr_back_2:
+ adds r30=kvm_resume_to_guest-asm_mov_from_reg,r20
+ shladd r27=r23,3,r27
+ ;; // vrr.rid<<4 |0xe
+ st8 [r27]=r19
+ mov b0=r30
+ ;;
+ extr.u r16=r19,8,26
+ extr.u r18 =r19,2,6
+ mov r17 =0xe
+ ;;
+ shladd r16 = r16, 4, r17
+ extr.u r19 =r19,0,8
+ ;;
+ shl r16 = r16,8
+ ;;
+ add r19 = r19, r16
+ ;; //set ve 1
+ dep r19=-1,r19,0,1
+ cmp.lt p6,p0=14,r18
+ ;;
+ (p6) mov r18=14
+ ;;
+ (p6) dep r19=r18,r19,2,6
+ ;;
+ cmp.eq p6,p0=0,r23
+ ;;
+ cmp.eq.or p6,p0=4,r23
+ ;;
+ adds r16=VMM_VCPU_MODE_FLAGS_OFFSET,r21
+ (p6) adds r17=VMM_VCPU_META_SAVED_RR0_OFFSET,r21
+ ;;
+ ld4 r16=[r16]
+ cmp.eq p7,p0=r0,r0
+ (p6) shladd r17=r23,1,r17
+ ;;
+ (p6) st8 [r17]=r19
+ (p6) tbit.nz p6,p7=r16,0
+ ;;
+ (p7) mov rr[r28]=r19
+ mov r24=r22
+ br.many b0
+END(kvm_asm_mov_to_rr)
+
+
+//rsm
+GLOBAL_ENTRY(kvm_asm_rsm)
+#ifndef ACCE_RSM
+ br.many kvm_virtualization_fault_back
+#endif
+ add r16=VMM_VPD_BASE_OFFSET,r21
+ extr.u r26=r25,6,21
+ extr.u r27=r25,31,2
+ ;;
+ ld8 r16=[r16]
+ extr.u r28=r25,36,1
+ dep r26=r27,r26,21,2
+ ;;
+ add r17=VPD_VPSR_START_OFFSET,r16
+ add r22=VMM_VCPU_MODE_FLAGS_OFFSET,r21
+ //r26 is imm24
+ dep r26=r28,r26,23,1
+ ;;
+ ld8 r18=[r17]
+ movl r28=IA64_PSR_IC+IA64_PSR_I+IA64_PSR_DT+IA64_PSR_SI
+ ld4 r23=[r22]
+ sub r27=-1,r26
+ mov r24=b0
+ ;;
+ mov r20=cr.ipsr
+ or r28=r27,r28
+ and r19=r18,r27
+ ;;
+ st8 [r17]=r19
+ and r20=r20,r28
+ /* Comment it out due to short of fp lazy alorgithm support
+ adds r27=IA64_VCPU_FP_PSR_OFFSET,r21
+ ;;
+ ld8 r27=[r27]
+ ;;
+ tbit.nz p8,p0= r27,IA64_PSR_DFH_BIT
+ ;;
+ (p8) dep r20=-1,r20,IA64_PSR_DFH_BIT,1
+ */
+ ;;
+ mov cr.ipsr=r20
+ tbit.nz p6,p0=r23,0
+ ;;
+ tbit.z.or p6,p0=r26,IA64_PSR_DT_BIT
+ (p6) br.dptk kvm_resume_to_guest
+ ;;
+ add r26=VMM_VCPU_META_RR0_OFFSET,r21
+ add r27=VMM_VCPU_META_RR0_OFFSET+8,r21
+ dep r23=-1,r23,0,1
+ ;;
+ ld8 r26=[r26]
+ ld8 r27=[r27]
+ st4 [r22]=r23
+ dep.z r28=4,61,3
+ ;;
+ mov rr[r0]=r26
+ ;;
+ mov rr[r28]=r27
+ ;;
+ srlz.d
+ br.many kvm_resume_to_guest
+END(kvm_asm_rsm)
+
+
+//ssm
+GLOBAL_ENTRY(kvm_asm_ssm)
+#ifndef ACCE_SSM
+ br.many kvm_virtualization_fault_back
+#endif
+ add r16=VMM_VPD_BASE_OFFSET,r21
+ extr.u r26=r25,6,21
+ extr.u r27=r25,31,2
+ ;;
+ ld8 r16=[r16]
+ extr.u r28=r25,36,1
+ dep r26=r27,r26,21,2
+ ;; //r26 is imm24
+ add r27=VPD_VPSR_START_OFFSET,r16
+ dep r26=r28,r26,23,1
+ ;; //r19 vpsr
+ ld8 r29=[r27]
+ mov r24=b0
+ ;;
+ add r22=VMM_VCPU_MODE_FLAGS_OFFSET,r21
+ mov r20=cr.ipsr
+ or r19=r29,r26
+ ;;
+ ld4 r23=[r22]
+ st8 [r27]=r19
+ or r20=r20,r26
+ ;;
+ mov cr.ipsr=r20
+ movl r28=IA64_PSR_DT+IA64_PSR_RT+IA64_PSR_IT
+ ;;
+ and r19=r28,r19
+ tbit.z p6,p0=r23,0
+ ;;
+ cmp.ne.or p6,p0=r28,r19
+ (p6) br.dptk kvm_asm_ssm_1
+ ;;
+ add r26=VMM_VCPU_META_SAVED_RR0_OFFSET,r21
+ add r27=VMM_VCPU_META_SAVED_RR0_OFFSET+8,r21
+ dep r23=0,r23,0,1
+ ;;
+ ld8 r26=[r26]
+ ld8 r27=[r27]
+ st4 [r22]=r23
+ dep.z r28=4,61,3
+ ;;
+ mov rr[r0]=r26
+ ;;
+ mov rr[r28]=r27
+ ;;
+ srlz.d
+ ;;
+kvm_asm_ssm_1:
+ tbit.nz p6,p0=r29,IA64_PSR_I_BIT
+ ;;
+ tbit.z.or p6,p0=r19,IA64_PSR_I_BIT
+ (p6) br.dptk kvm_resume_to_guest
+ ;;
+ add r29=VPD_VTPR_START_OFFSET,r16
+ add r30=VPD_VHPI_START_OFFSET,r16
+ ;;
+ ld8 r29=[r29]
+ ld8 r30=[r30]
+ ;;
+ extr.u r17=r29,4,4
+ extr.u r18=r29,16,1
+ ;;
+ dep r17=r18,r17,4,1
+ ;;
+ cmp.gt p6,p0=r30,r17
+ (p6) br.dpnt.few kvm_asm_dispatch_vexirq
+ br.many kvm_resume_to_guest
+END(kvm_asm_ssm)
+
+
+//mov psr.l=r2
+GLOBAL_ENTRY(kvm_asm_mov_to_psr)
+#ifndef ACCE_MOV_TO_PSR
+ br.many kvm_virtualization_fault_back
+#endif
+ add r16=VMM_VPD_BASE_OFFSET,r21
+ extr.u r26=r25,13,7 //r2
+ ;;
+ ld8 r16=[r16]
+ addl r20=@gprel(asm_mov_from_reg),gp
+ ;;
+ adds r30=kvm_asm_mov_to_psr_back-asm_mov_from_reg,r20
+ shladd r26=r26,4,r20
+ mov r24=b0
+ ;;
+ add r27=VPD_VPSR_START_OFFSET,r16
+ mov b0=r26
+ br.many b0
+ ;;
+kvm_asm_mov_to_psr_back:
+ ld8 r17=[r27]
+ add r22=VMM_VCPU_MODE_FLAGS_OFFSET,r21
+ dep r19=0,r19,32,32
+ ;;
+ ld4 r23=[r22]
+ dep r18=0,r17,0,32
+ ;;
+ add r30=r18,r19
+ movl r28=IA64_PSR_DT+IA64_PSR_RT+IA64_PSR_IT
+ ;;
+ st8 [r27]=r30
+ and r27=r28,r30
+ and r29=r28,r17
+ ;;
+ cmp.eq p5,p0=r29,r27
+ cmp.eq p6,p7=r28,r27
+ (p5) br.many kvm_asm_mov_to_psr_1
+ ;;
+ //virtual to physical
+ (p7) add r26=VMM_VCPU_META_RR0_OFFSET,r21
+ (p7) add r27=VMM_VCPU_META_RR0_OFFSET+8,r21
+ (p7) dep r23=-1,r23,0,1
+ ;;
+ //physical to virtual
+ (p6) add r26=VMM_VCPU_META_SAVED_RR0_OFFSET,r21
+ (p6) add r27=VMM_VCPU_META_SAVED_RR0_OFFSET+8,r21
+ (p6) dep r23=0,r23,0,1
+ ;;
+ ld8 r26=[r26]
+ ld8 r27=[r27]
+ st4 [r22]=r23
+ dep.z r28=4,61,3
+ ;;
+ mov rr[r0]=r26
+ ;;
+ mov rr[r28]=r27
+ ;;
+ srlz.d
+ ;;
+kvm_asm_mov_to_psr_1:
+ mov r20=cr.ipsr
+ movl r28=IA64_PSR_IC+IA64_PSR_I+IA64_PSR_DT+IA64_PSR_SI+IA64_PSR_RT
+ ;;
+ or r19=r19,r28
+ dep r20=0,r20,0,32
+ ;;
+ add r20=r19,r20
+ mov b0=r24
+ ;;
+ /* Comment it out due to short of fp lazy algorithm support
+ adds r27=IA64_VCPU_FP_PSR_OFFSET,r21
+ ;;
+ ld8 r27=[r27]
+ ;;
+ tbit.nz p8,p0=r27,IA64_PSR_DFH_BIT
+ ;;
+ (p8) dep r20=-1,r20,IA64_PSR_DFH_BIT,1
+ ;;
+ */
+ mov cr.ipsr=r20
+ cmp.ne p6,p0=r0,r0
+ ;;
+ tbit.nz.or p6,p0=r17,IA64_PSR_I_BIT
+ tbit.z.or p6,p0=r30,IA64_PSR_I_BIT
+ (p6) br.dpnt.few kvm_resume_to_guest
+ ;;
+ add r29=VPD_VTPR_START_OFFSET,r16
+ add r30=VPD_VHPI_START_OFFSET,r16
+ ;;
+ ld8 r29=[r29]
+ ld8 r30=[r30]
+ ;;
+ extr.u r17=r29,4,4
+ extr.u r18=r29,16,1
+ ;;
+ dep r17=r18,r17,4,1
+ ;;
+ cmp.gt p6,p0=r30,r17
+ (p6) br.dpnt.few kvm_asm_dispatch_vexirq
+ br.many kvm_resume_to_guest
+END(kvm_asm_mov_to_psr)
+
+
+ENTRY(kvm_asm_dispatch_vexirq)
+//increment iip
+ mov r16=cr.ipsr
+ ;;
+ extr.u r17=r16,IA64_PSR_RI_BIT,2
+ tbit.nz p6,p7=r16,IA64_PSR_RI_BIT+1
+ ;;
+ (p6) mov r18=cr.iip
+ (p6) mov r17=r0
+ (p7) add r17=1,r17
+ ;;
+ (p6) add r18=0x10,r18
+ dep r16=r17,r16,IA64_PSR_RI_BIT,2
+ ;;
+ (p6) mov cr.iip=r18
+ mov cr.ipsr=r16
+ mov r30 =1
+ br.many kvm_dispatch_vexirq
+END(kvm_asm_dispatch_vexirq)
+
+// thash
+// TODO: add support when pta.vf = 1
+GLOBAL_ENTRY(kvm_asm_thash)
+#ifndef ACCE_THASH
+ br.many kvm_virtualization_fault_back
+#endif
+ extr.u r17=r25,20,7 // get r3 from opcode in r25
+ extr.u r18=r25,6,7 // get r1 from opcode in r25
+ addl r20=@gprel(asm_mov_from_reg),gp
+ ;;
+ adds r30=kvm_asm_thash_back1-asm_mov_from_reg,r20
+ shladd r17=r17,4,r20 // get addr of MOVE_FROM_REG(r17)
+ adds r16=VMM_VPD_BASE_OFFSET,r21 // get vcpu.arch.priveregs
+ ;;
+ mov r24=b0
+ ;;
+ ld8 r16=[r16] // get VPD addr
+ mov b0=r17
+ br.many b0 // r19 return value
+ ;;
+kvm_asm_thash_back1:
+ shr.u r23=r19,61 // get RR number
+ adds r25=VMM_VCPU_VRR0_OFFSET,r21 // get vcpu->arch.vrr[0]'s addr
+ adds r16=VMM_VPD_VPTA_OFFSET,r16 // get vpta
+ ;;
+ shladd r27=r23,3,r25 // get vcpu->arch.vrr[r23]'s addr
+ ld8 r17=[r16] // get PTA
+ mov r26=1
+ ;;
+ extr.u r29=r17,2,6 // get pta.size
+ ld8 r25=[r27] // get vcpu->arch.vrr[r23]'s value
+ ;;
+ extr.u r25=r25,2,6 // get rr.ps
+ shl r22=r26,r29 // 1UL << pta.size
+ ;;
+ shr.u r23=r19,r25 // vaddr >> rr.ps
+ adds r26=3,r29 // pta.size + 3
+ shl r27=r17,3 // pta << 3
+ ;;
+ shl r23=r23,3 // (vaddr >> rr.ps) << 3
+ shr.u r27=r27,r26 // (pta << 3) >> (pta.size+3)
+ movl r16=7<<61
+ ;;
+ adds r22=-1,r22 // (1UL << pta.size) - 1
+ shl r27=r27,r29 // ((pta<<3)>>(pta.size+3))<<pta.size
+ and r19=r19,r16 // vaddr & VRN_MASK
+ ;;
+ and r22=r22,r23 // vhpt_offset
+ or r19=r19,r27 // (vadr&VRN_MASK)|(((pta<<3)>>(pta.size + 3))<<pta.size)
+ adds r26=asm_mov_to_reg-asm_mov_from_reg,r20
+ ;;
+ or r19=r19,r22 // calc pval
+ shladd r17=r18,4,r26
+ adds r30=kvm_resume_to_guest-asm_mov_from_reg,r20
+ ;;
+ mov b0=r17
+ br.many b0
+END(kvm_asm_thash)
+
+#define MOV_TO_REG0 \
+{; \
+ nop.b 0x0; \
+ nop.b 0x0; \
+ nop.b 0x0; \
+ ;; \
+};
+
+
+#define MOV_TO_REG(n) \
+{; \
+ mov r##n##=r19; \
+ mov b0=r30; \
+ br.sptk.many b0; \
+ ;; \
+};
+
+
+#define MOV_FROM_REG(n) \
+{; \
+ mov r19=r##n##; \
+ mov b0=r30; \
+ br.sptk.many b0; \
+ ;; \
+};
+
+
+#define MOV_TO_BANK0_REG(n) \
+ENTRY_MIN_ALIGN(asm_mov_to_bank0_reg##n##); \
+{; \
+ mov r26=r2; \
+ mov r2=r19; \
+ bsw.1; \
+ ;; \
+}; \
+{; \
+ mov r##n##=r2; \
+ nop.b 0x0; \
+ bsw.0; \
+ ;; \
+}; \
+{; \
+ mov r2=r26; \
+ mov b0=r30; \
+ br.sptk.many b0; \
+ ;; \
+}; \
+END(asm_mov_to_bank0_reg##n##)
+
+
+#define MOV_FROM_BANK0_REG(n) \
+ENTRY_MIN_ALIGN(asm_mov_from_bank0_reg##n##); \
+{; \
+ mov r26=r2; \
+ nop.b 0x0; \
+ bsw.1; \
+ ;; \
+}; \
+{; \
+ mov r2=r##n##; \
+ nop.b 0x0; \
+ bsw.0; \
+ ;; \
+}; \
+{; \
+ mov r19=r2; \
+ mov r2=r26; \
+ mov b0=r30; \
+}; \
+{; \
+ nop.b 0x0; \
+ nop.b 0x0; \
+ br.sptk.many b0; \
+ ;; \
+}; \
+END(asm_mov_from_bank0_reg##n##)
+
+
+#define JMP_TO_MOV_TO_BANK0_REG(n) \
+{; \
+ nop.b 0x0; \
+ nop.b 0x0; \
+ br.sptk.many asm_mov_to_bank0_reg##n##; \
+ ;; \
+}
+
+
+#define JMP_TO_MOV_FROM_BANK0_REG(n) \
+{; \
+ nop.b 0x0; \
+ nop.b 0x0; \
+ br.sptk.many asm_mov_from_bank0_reg##n##; \
+ ;; \
+}
+
+
+MOV_FROM_BANK0_REG(16)
+MOV_FROM_BANK0_REG(17)
+MOV_FROM_BANK0_REG(18)
+MOV_FROM_BANK0_REG(19)
+MOV_FROM_BANK0_REG(20)
+MOV_FROM_BANK0_REG(21)
+MOV_FROM_BANK0_REG(22)
+MOV_FROM_BANK0_REG(23)
+MOV_FROM_BANK0_REG(24)
+MOV_FROM_BANK0_REG(25)
+MOV_FROM_BANK0_REG(26)
+MOV_FROM_BANK0_REG(27)
+MOV_FROM_BANK0_REG(28)
+MOV_FROM_BANK0_REG(29)
+MOV_FROM_BANK0_REG(30)
+MOV_FROM_BANK0_REG(31)
+
+
+// mov from reg table
+ENTRY(asm_mov_from_reg)
+ MOV_FROM_REG(0)
+ MOV_FROM_REG(1)
+ MOV_FROM_REG(2)
+ MOV_FROM_REG(3)
+ MOV_FROM_REG(4)
+ MOV_FROM_REG(5)
+ MOV_FROM_REG(6)
+ MOV_FROM_REG(7)
+ MOV_FROM_REG(8)
+ MOV_FROM_REG(9)
+ MOV_FROM_REG(10)
+ MOV_FROM_REG(11)
+ MOV_FROM_REG(12)
+ MOV_FROM_REG(13)
+ MOV_FROM_REG(14)
+ MOV_FROM_REG(15)
+ JMP_TO_MOV_FROM_BANK0_REG(16)
+ JMP_TO_MOV_FROM_BANK0_REG(17)
+ JMP_TO_MOV_FROM_BANK0_REG(18)
+ JMP_TO_MOV_FROM_BANK0_REG(19)
+ JMP_TO_MOV_FROM_BANK0_REG(20)
+ JMP_TO_MOV_FROM_BANK0_REG(21)
+ JMP_TO_MOV_FROM_BANK0_REG(22)
+ JMP_TO_MOV_FROM_BANK0_REG(23)
+ JMP_TO_MOV_FROM_BANK0_REG(24)
+ JMP_TO_MOV_FROM_BANK0_REG(25)
+ JMP_TO_MOV_FROM_BANK0_REG(26)
+ JMP_TO_MOV_FROM_BANK0_REG(27)
+ JMP_TO_MOV_FROM_BANK0_REG(28)
+ JMP_TO_MOV_FROM_BANK0_REG(29)
+ JMP_TO_MOV_FROM_BANK0_REG(30)
+ JMP_TO_MOV_FROM_BANK0_REG(31)
+ MOV_FROM_REG(32)
+ MOV_FROM_REG(33)
+ MOV_FROM_REG(34)
+ MOV_FROM_REG(35)
+ MOV_FROM_REG(36)
+ MOV_FROM_REG(37)
+ MOV_FROM_REG(38)
+ MOV_FROM_REG(39)
+ MOV_FROM_REG(40)
+ MOV_FROM_REG(41)
+ MOV_FROM_REG(42)
+ MOV_FROM_REG(43)
+ MOV_FROM_REG(44)
+ MOV_FROM_REG(45)
+ MOV_FROM_REG(46)
+ MOV_FROM_REG(47)
+ MOV_FROM_REG(48)
+ MOV_FROM_REG(49)
+ MOV_FROM_REG(50)
+ MOV_FROM_REG(51)
+ MOV_FROM_REG(52)
+ MOV_FROM_REG(53)
+ MOV_FROM_REG(54)
+ MOV_FROM_REG(55)
+ MOV_FROM_REG(56)
+ MOV_FROM_REG(57)
+ MOV_FROM_REG(58)
+ MOV_FROM_REG(59)
+ MOV_FROM_REG(60)
+ MOV_FROM_REG(61)
+ MOV_FROM_REG(62)
+ MOV_FROM_REG(63)
+ MOV_FROM_REG(64)
+ MOV_FROM_REG(65)
+ MOV_FROM_REG(66)
+ MOV_FROM_REG(67)
+ MOV_FROM_REG(68)
+ MOV_FROM_REG(69)
+ MOV_FROM_REG(70)
+ MOV_FROM_REG(71)
+ MOV_FROM_REG(72)
+ MOV_FROM_REG(73)
+ MOV_FROM_REG(74)
+ MOV_FROM_REG(75)
+ MOV_FROM_REG(76)
+ MOV_FROM_REG(77)
+ MOV_FROM_REG(78)
+ MOV_FROM_REG(79)
+ MOV_FROM_REG(80)
+ MOV_FROM_REG(81)
+ MOV_FROM_REG(82)
+ MOV_FROM_REG(83)
+ MOV_FROM_REG(84)
+ MOV_FROM_REG(85)
+ MOV_FROM_REG(86)
+ MOV_FROM_REG(87)
+ MOV_FROM_REG(88)
+ MOV_FROM_REG(89)
+ MOV_FROM_REG(90)
+ MOV_FROM_REG(91)
+ MOV_FROM_REG(92)
+ MOV_FROM_REG(93)
+ MOV_FROM_REG(94)
+ MOV_FROM_REG(95)
+ MOV_FROM_REG(96)
+ MOV_FROM_REG(97)
+ MOV_FROM_REG(98)
+ MOV_FROM_REG(99)
+ MOV_FROM_REG(100)
+ MOV_FROM_REG(101)
+ MOV_FROM_REG(102)
+ MOV_FROM_REG(103)
+ MOV_FROM_REG(104)
+ MOV_FROM_REG(105)
+ MOV_FROM_REG(106)
+ MOV_FROM_REG(107)
+ MOV_FROM_REG(108)
+ MOV_FROM_REG(109)
+ MOV_FROM_REG(110)
+ MOV_FROM_REG(111)
+ MOV_FROM_REG(112)
+ MOV_FROM_REG(113)
+ MOV_FROM_REG(114)
+ MOV_FROM_REG(115)
+ MOV_FROM_REG(116)
+ MOV_FROM_REG(117)
+ MOV_FROM_REG(118)
+ MOV_FROM_REG(119)
+ MOV_FROM_REG(120)
+ MOV_FROM_REG(121)
+ MOV_FROM_REG(122)
+ MOV_FROM_REG(123)
+ MOV_FROM_REG(124)
+ MOV_FROM_REG(125)
+ MOV_FROM_REG(126)
+ MOV_FROM_REG(127)
+END(asm_mov_from_reg)
+
+
+/* must be in bank 0
+ * parameter:
+ * r31: pr
+ * r24: b0
+ */
+ENTRY(kvm_resume_to_guest)
+ adds r16 = VMM_VCPU_SAVED_GP_OFFSET,r21
+ ;;
+ ld8 r1 =[r16]
+ adds r20 = VMM_VCPU_VSA_BASE_OFFSET,r21
+ ;;
+ mov r16=cr.ipsr
+ ;;
+ ld8 r20 = [r20]
+ adds r19=VMM_VPD_BASE_OFFSET,r21
+ ;;
+ ld8 r25=[r19]
+ extr.u r17=r16,IA64_PSR_RI_BIT,2
+ tbit.nz p6,p7=r16,IA64_PSR_RI_BIT+1
+ ;;
+ (p6) mov r18=cr.iip
+ (p6) mov r17=r0
+ ;;
+ (p6) add r18=0x10,r18
+ (p7) add r17=1,r17
+ ;;
+ (p6) mov cr.iip=r18
+ dep r16=r17,r16,IA64_PSR_RI_BIT,2
+ ;;
+ mov cr.ipsr=r16
+ adds r19= VPD_VPSR_START_OFFSET,r25
+ add r28=PAL_VPS_RESUME_NORMAL,r20
+ add r29=PAL_VPS_RESUME_HANDLER,r20
+ ;;
+ ld8 r19=[r19]
+ mov b0=r29
+ cmp.ne p6,p7 = r0,r0
+ ;;
+ tbit.z p6,p7 = r19,IA64_PSR_IC_BIT // p1=vpsr.ic
+ ;;
+ (p6) ld8 r26=[r25]
+ (p7) mov b0=r28
+ mov pr=r31,-2
+ br.sptk.many b0 // call pal service
+ ;;
+END(kvm_resume_to_guest)
+
+
+MOV_TO_BANK0_REG(16)
+MOV_TO_BANK0_REG(17)
+MOV_TO_BANK0_REG(18)
+MOV_TO_BANK0_REG(19)
+MOV_TO_BANK0_REG(20)
+MOV_TO_BANK0_REG(21)
+MOV_TO_BANK0_REG(22)
+MOV_TO_BANK0_REG(23)
+MOV_TO_BANK0_REG(24)
+MOV_TO_BANK0_REG(25)
+MOV_TO_BANK0_REG(26)
+MOV_TO_BANK0_REG(27)
+MOV_TO_BANK0_REG(28)
+MOV_TO_BANK0_REG(29)
+MOV_TO_BANK0_REG(30)
+MOV_TO_BANK0_REG(31)
+
+
+// mov to reg table
+ENTRY(asm_mov_to_reg)
+ MOV_TO_REG0
+ MOV_TO_REG(1)
+ MOV_TO_REG(2)
+ MOV_TO_REG(3)
+ MOV_TO_REG(4)
+ MOV_TO_REG(5)
+ MOV_TO_REG(6)
+ MOV_TO_REG(7)
+ MOV_TO_REG(8)
+ MOV_TO_REG(9)
+ MOV_TO_REG(10)
+ MOV_TO_REG(11)
+ MOV_TO_REG(12)
+ MOV_TO_REG(13)
+ MOV_TO_REG(14)
+ MOV_TO_REG(15)
+ JMP_TO_MOV_TO_BANK0_REG(16)
+ JMP_TO_MOV_TO_BANK0_REG(17)
+ JMP_TO_MOV_TO_BANK0_REG(18)
+ JMP_TO_MOV_TO_BANK0_REG(19)
+ JMP_TO_MOV_TO_BANK0_REG(20)
+ JMP_TO_MOV_TO_BANK0_REG(21)
+ JMP_TO_MOV_TO_BANK0_REG(22)
+ JMP_TO_MOV_TO_BANK0_REG(23)
+ JMP_TO_MOV_TO_BANK0_REG(24)
+ JMP_TO_MOV_TO_BANK0_REG(25)
+ JMP_TO_MOV_TO_BANK0_REG(26)
+ JMP_TO_MOV_TO_BANK0_REG(27)
+ JMP_TO_MOV_TO_BANK0_REG(28)
+ JMP_TO_MOV_TO_BANK0_REG(29)
+ JMP_TO_MOV_TO_BANK0_REG(30)
+ JMP_TO_MOV_TO_BANK0_REG(31)
+ MOV_TO_REG(32)
+ MOV_TO_REG(33)
+ MOV_TO_REG(34)
+ MOV_TO_REG(35)
+ MOV_TO_REG(36)
+ MOV_TO_REG(37)
+ MOV_TO_REG(38)
+ MOV_TO_REG(39)
+ MOV_TO_REG(40)
+ MOV_TO_REG(41)
+ MOV_TO_REG(42)
+ MOV_TO_REG(43)
+ MOV_TO_REG(44)
+ MOV_TO_REG(45)
+ MOV_TO_REG(46)
+ MOV_TO_REG(47)
+ MOV_TO_REG(48)
+ MOV_TO_REG(49)
+ MOV_TO_REG(50)
+ MOV_TO_REG(51)
+ MOV_TO_REG(52)
+ MOV_TO_REG(53)
+ MOV_TO_REG(54)
+ MOV_TO_REG(55)
+ MOV_TO_REG(56)
+ MOV_TO_REG(57)
+ MOV_TO_REG(58)
+ MOV_TO_REG(59)
+ MOV_TO_REG(60)
+ MOV_TO_REG(61)
+ MOV_TO_REG(62)
+ MOV_TO_REG(63)
+ MOV_TO_REG(64)
+ MOV_TO_REG(65)
+ MOV_TO_REG(66)
+ MOV_TO_REG(67)
+ MOV_TO_REG(68)
+ MOV_TO_REG(69)
+ MOV_TO_REG(70)
+ MOV_TO_REG(71)
+ MOV_TO_REG(72)
+ MOV_TO_REG(73)
+ MOV_TO_REG(74)
+ MOV_TO_REG(75)
+ MOV_TO_REG(76)
+ MOV_TO_REG(77)
+ MOV_TO_REG(78)
+ MOV_TO_REG(79)
+ MOV_TO_REG(80)
+ MOV_TO_REG(81)
+ MOV_TO_REG(82)
+ MOV_TO_REG(83)
+ MOV_TO_REG(84)
+ MOV_TO_REG(85)
+ MOV_TO_REG(86)
+ MOV_TO_REG(87)
+ MOV_TO_REG(88)
+ MOV_TO_REG(89)
+ MOV_TO_REG(90)
+ MOV_TO_REG(91)
+ MOV_TO_REG(92)
+ MOV_TO_REG(93)
+ MOV_TO_REG(94)
+ MOV_TO_REG(95)
+ MOV_TO_REG(96)
+ MOV_TO_REG(97)
+ MOV_TO_REG(98)
+ MOV_TO_REG(99)
+ MOV_TO_REG(100)
+ MOV_TO_REG(101)
+ MOV_TO_REG(102)
+ MOV_TO_REG(103)
+ MOV_TO_REG(104)
+ MOV_TO_REG(105)
+ MOV_TO_REG(106)
+ MOV_TO_REG(107)
+ MOV_TO_REG(108)
+ MOV_TO_REG(109)
+ MOV_TO_REG(110)
+ MOV_TO_REG(111)
+ MOV_TO_REG(112)
+ MOV_TO_REG(113)
+ MOV_TO_REG(114)
+ MOV_TO_REG(115)
+ MOV_TO_REG(116)
+ MOV_TO_REG(117)
+ MOV_TO_REG(118)
+ MOV_TO_REG(119)
+ MOV_TO_REG(120)
+ MOV_TO_REG(121)
+ MOV_TO_REG(122)
+ MOV_TO_REG(123)
+ MOV_TO_REG(124)
+ MOV_TO_REG(125)
+ MOV_TO_REG(126)
+ MOV_TO_REG(127)
+END(asm_mov_to_reg)
--
1.5.5
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