0b5d7a2ccb
Copy in SN2 RTC based ITC emulation for fast exit. The two versions have the same size, so a dropin is simpler than patching the branch instruction to hit the SN2 version. Signed-off-by: Jes Sorensen <jes@sgi.com> Acked-by: Xiantao Zhang <xiantao.zhang@intel.com> Signed-off-by: Avi Kivity <avi@redhat.com>
1090 lines
20 KiB
ArmAsm
1090 lines
20 KiB
ArmAsm
/*
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* arch/ia64/kvm/optvfault.S
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* optimize virtualization fault handler
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*
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* Copyright (C) 2006 Intel Co
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* Xuefei Xu (Anthony Xu) <anthony.xu@intel.com>
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* Copyright (C) 2008 Intel Co
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* Add the support for Tukwila processors.
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* Xiantao Zhang <xiantao.zhang@intel.com>
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*/
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#include <asm/asmmacro.h>
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#include <asm/processor.h>
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#include <asm/kvm_host.h>
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#include "vti.h"
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#include "asm-offsets.h"
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#define ACCE_MOV_FROM_AR
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#define ACCE_MOV_FROM_RR
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#define ACCE_MOV_TO_RR
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#define ACCE_RSM
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#define ACCE_SSM
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#define ACCE_MOV_TO_PSR
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#define ACCE_THASH
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#define VMX_VPS_SYNC_READ \
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add r16=VMM_VPD_BASE_OFFSET,r21; \
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mov r17 = b0; \
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mov r18 = r24; \
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mov r19 = r25; \
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mov r20 = r31; \
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;; \
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{.mii; \
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ld8 r16 = [r16]; \
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nop 0x0; \
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mov r24 = ip; \
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;; \
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}; \
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{.mmb; \
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add r24=0x20, r24; \
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mov r25 =r16; \
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br.sptk.many kvm_vps_sync_read; \
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}; \
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mov b0 = r17; \
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mov r24 = r18; \
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mov r25 = r19; \
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mov r31 = r20
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ENTRY(kvm_vps_entry)
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adds r29 = VMM_VCPU_VSA_BASE_OFFSET,r21
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;;
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ld8 r29 = [r29]
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;;
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add r29 = r29, r30
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;;
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mov b0 = r29
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br.sptk.many b0
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END(kvm_vps_entry)
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/*
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* Inputs:
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* r24 : return address
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* r25 : vpd
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* r29 : scratch
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*
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*/
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GLOBAL_ENTRY(kvm_vps_sync_read)
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movl r30 = PAL_VPS_SYNC_READ
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;;
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br.sptk.many kvm_vps_entry
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END(kvm_vps_sync_read)
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/*
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* Inputs:
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* r24 : return address
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* r25 : vpd
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* r29 : scratch
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*
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*/
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GLOBAL_ENTRY(kvm_vps_sync_write)
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movl r30 = PAL_VPS_SYNC_WRITE
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;;
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br.sptk.many kvm_vps_entry
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END(kvm_vps_sync_write)
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/*
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* Inputs:
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* r23 : pr
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* r24 : guest b0
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* r25 : vpd
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*
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*/
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GLOBAL_ENTRY(kvm_vps_resume_normal)
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movl r30 = PAL_VPS_RESUME_NORMAL
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;;
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mov pr=r23,-2
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br.sptk.many kvm_vps_entry
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END(kvm_vps_resume_normal)
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/*
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* Inputs:
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* r23 : pr
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* r24 : guest b0
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* r25 : vpd
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* r17 : isr
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*/
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GLOBAL_ENTRY(kvm_vps_resume_handler)
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movl r30 = PAL_VPS_RESUME_HANDLER
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;;
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ld8 r26=[r25]
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shr r17=r17,IA64_ISR_IR_BIT
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;;
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dep r26=r17,r26,63,1 // bit 63 of r26 indicate whether enable CFLE
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mov pr=r23,-2
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br.sptk.many kvm_vps_entry
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END(kvm_vps_resume_handler)
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//mov r1=ar3
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GLOBAL_ENTRY(kvm_asm_mov_from_ar)
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#ifndef ACCE_MOV_FROM_AR
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br.many kvm_virtualization_fault_back
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#endif
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add r18=VMM_VCPU_ITC_OFS_OFFSET, r21
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add r16=VMM_VCPU_LAST_ITC_OFFSET,r21
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extr.u r17=r25,6,7
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;;
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ld8 r18=[r18]
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mov r19=ar.itc
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mov r24=b0
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;;
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add r19=r19,r18
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addl r20=@gprel(asm_mov_to_reg),gp
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;;
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st8 [r16] = r19
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adds r30=kvm_resume_to_guest-asm_mov_to_reg,r20
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shladd r17=r17,4,r20
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;;
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mov b0=r17
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br.sptk.few b0
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;;
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END(kvm_asm_mov_from_ar)
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/*
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* Special SGI SN2 optimized version of mov_from_ar using the SN2 RTC
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* clock as it's source for emulating the ITC. This version will be
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* copied on top of the original version if the host is determined to
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* be an SN2.
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*/
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GLOBAL_ENTRY(kvm_asm_mov_from_ar_sn2)
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add r18=VMM_VCPU_ITC_OFS_OFFSET, r21
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movl r19 = (KVM_VMM_BASE+(1<<KVM_VMM_SHIFT))
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add r16=VMM_VCPU_LAST_ITC_OFFSET,r21
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extr.u r17=r25,6,7
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mov r24=b0
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;;
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ld8 r18=[r18]
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ld8 r19=[r19]
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addl r20=@gprel(asm_mov_to_reg),gp
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;;
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add r19=r19,r18
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shladd r17=r17,4,r20
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;;
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adds r30=kvm_resume_to_guest-asm_mov_to_reg,r20
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st8 [r16] = r19
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mov b0=r17
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br.sptk.few b0
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;;
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END(kvm_asm_mov_from_ar_sn2)
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// mov r1=rr[r3]
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GLOBAL_ENTRY(kvm_asm_mov_from_rr)
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#ifndef ACCE_MOV_FROM_RR
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br.many kvm_virtualization_fault_back
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#endif
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extr.u r16=r25,20,7
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extr.u r17=r25,6,7
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addl r20=@gprel(asm_mov_from_reg),gp
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;;
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adds r30=kvm_asm_mov_from_rr_back_1-asm_mov_from_reg,r20
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shladd r16=r16,4,r20
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mov r24=b0
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;;
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add r27=VMM_VCPU_VRR0_OFFSET,r21
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mov b0=r16
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br.many b0
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;;
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kvm_asm_mov_from_rr_back_1:
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adds r30=kvm_resume_to_guest-asm_mov_from_reg,r20
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adds r22=asm_mov_to_reg-asm_mov_from_reg,r20
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shr.u r26=r19,61
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;;
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shladd r17=r17,4,r22
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shladd r27=r26,3,r27
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;;
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ld8 r19=[r27]
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mov b0=r17
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br.many b0
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END(kvm_asm_mov_from_rr)
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// mov rr[r3]=r2
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GLOBAL_ENTRY(kvm_asm_mov_to_rr)
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#ifndef ACCE_MOV_TO_RR
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br.many kvm_virtualization_fault_back
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#endif
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extr.u r16=r25,20,7
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extr.u r17=r25,13,7
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addl r20=@gprel(asm_mov_from_reg),gp
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;;
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adds r30=kvm_asm_mov_to_rr_back_1-asm_mov_from_reg,r20
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shladd r16=r16,4,r20
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mov r22=b0
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;;
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add r27=VMM_VCPU_VRR0_OFFSET,r21
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mov b0=r16
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br.many b0
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;;
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kvm_asm_mov_to_rr_back_1:
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adds r30=kvm_asm_mov_to_rr_back_2-asm_mov_from_reg,r20
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shr.u r23=r19,61
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shladd r17=r17,4,r20
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;;
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//if rr6, go back
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cmp.eq p6,p0=6,r23
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mov b0=r22
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(p6) br.cond.dpnt.many kvm_virtualization_fault_back
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;;
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mov r28=r19
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mov b0=r17
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br.many b0
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kvm_asm_mov_to_rr_back_2:
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adds r30=kvm_resume_to_guest-asm_mov_from_reg,r20
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shladd r27=r23,3,r27
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;; // vrr.rid<<4 |0xe
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st8 [r27]=r19
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mov b0=r30
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;;
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extr.u r16=r19,8,26
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extr.u r18 =r19,2,6
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mov r17 =0xe
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;;
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shladd r16 = r16, 4, r17
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extr.u r19 =r19,0,8
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;;
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shl r16 = r16,8
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;;
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add r19 = r19, r16
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;; //set ve 1
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dep r19=-1,r19,0,1
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cmp.lt p6,p0=14,r18
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;;
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(p6) mov r18=14
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;;
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(p6) dep r19=r18,r19,2,6
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;;
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cmp.eq p6,p0=0,r23
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;;
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cmp.eq.or p6,p0=4,r23
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;;
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adds r16=VMM_VCPU_MODE_FLAGS_OFFSET,r21
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(p6) adds r17=VMM_VCPU_META_SAVED_RR0_OFFSET,r21
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;;
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ld4 r16=[r16]
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cmp.eq p7,p0=r0,r0
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(p6) shladd r17=r23,1,r17
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;;
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(p6) st8 [r17]=r19
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(p6) tbit.nz p6,p7=r16,0
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;;
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(p7) mov rr[r28]=r19
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mov r24=r22
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br.many b0
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END(kvm_asm_mov_to_rr)
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//rsm
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GLOBAL_ENTRY(kvm_asm_rsm)
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#ifndef ACCE_RSM
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br.many kvm_virtualization_fault_back
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#endif
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VMX_VPS_SYNC_READ
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;;
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extr.u r26=r25,6,21
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extr.u r27=r25,31,2
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;;
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extr.u r28=r25,36,1
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dep r26=r27,r26,21,2
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;;
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add r17=VPD_VPSR_START_OFFSET,r16
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add r22=VMM_VCPU_MODE_FLAGS_OFFSET,r21
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//r26 is imm24
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dep r26=r28,r26,23,1
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;;
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ld8 r18=[r17]
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movl r28=IA64_PSR_IC+IA64_PSR_I+IA64_PSR_DT+IA64_PSR_SI
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ld4 r23=[r22]
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sub r27=-1,r26
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mov r24=b0
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;;
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mov r20=cr.ipsr
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or r28=r27,r28
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and r19=r18,r27
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;;
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st8 [r17]=r19
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and r20=r20,r28
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/* Comment it out due to short of fp lazy alorgithm support
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adds r27=IA64_VCPU_FP_PSR_OFFSET,r21
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;;
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ld8 r27=[r27]
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;;
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tbit.nz p8,p0= r27,IA64_PSR_DFH_BIT
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;;
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(p8) dep r20=-1,r20,IA64_PSR_DFH_BIT,1
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*/
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;;
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mov cr.ipsr=r20
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tbit.nz p6,p0=r23,0
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;;
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tbit.z.or p6,p0=r26,IA64_PSR_DT_BIT
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(p6) br.dptk kvm_resume_to_guest_with_sync
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;;
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add r26=VMM_VCPU_META_RR0_OFFSET,r21
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add r27=VMM_VCPU_META_RR0_OFFSET+8,r21
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dep r23=-1,r23,0,1
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;;
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ld8 r26=[r26]
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ld8 r27=[r27]
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st4 [r22]=r23
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dep.z r28=4,61,3
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;;
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mov rr[r0]=r26
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;;
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mov rr[r28]=r27
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;;
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srlz.d
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br.many kvm_resume_to_guest_with_sync
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END(kvm_asm_rsm)
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//ssm
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GLOBAL_ENTRY(kvm_asm_ssm)
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#ifndef ACCE_SSM
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br.many kvm_virtualization_fault_back
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#endif
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VMX_VPS_SYNC_READ
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;;
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extr.u r26=r25,6,21
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extr.u r27=r25,31,2
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;;
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extr.u r28=r25,36,1
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dep r26=r27,r26,21,2
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;; //r26 is imm24
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add r27=VPD_VPSR_START_OFFSET,r16
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dep r26=r28,r26,23,1
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;; //r19 vpsr
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ld8 r29=[r27]
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mov r24=b0
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;;
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add r22=VMM_VCPU_MODE_FLAGS_OFFSET,r21
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mov r20=cr.ipsr
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or r19=r29,r26
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;;
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ld4 r23=[r22]
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st8 [r27]=r19
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or r20=r20,r26
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;;
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mov cr.ipsr=r20
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movl r28=IA64_PSR_DT+IA64_PSR_RT+IA64_PSR_IT
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;;
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and r19=r28,r19
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tbit.z p6,p0=r23,0
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;;
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cmp.ne.or p6,p0=r28,r19
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(p6) br.dptk kvm_asm_ssm_1
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;;
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add r26=VMM_VCPU_META_SAVED_RR0_OFFSET,r21
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add r27=VMM_VCPU_META_SAVED_RR0_OFFSET+8,r21
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dep r23=0,r23,0,1
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;;
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ld8 r26=[r26]
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ld8 r27=[r27]
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st4 [r22]=r23
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dep.z r28=4,61,3
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;;
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mov rr[r0]=r26
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;;
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mov rr[r28]=r27
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;;
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srlz.d
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;;
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kvm_asm_ssm_1:
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tbit.nz p6,p0=r29,IA64_PSR_I_BIT
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;;
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tbit.z.or p6,p0=r19,IA64_PSR_I_BIT
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(p6) br.dptk kvm_resume_to_guest_with_sync
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;;
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add r29=VPD_VTPR_START_OFFSET,r16
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add r30=VPD_VHPI_START_OFFSET,r16
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;;
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ld8 r29=[r29]
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ld8 r30=[r30]
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;;
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extr.u r17=r29,4,4
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extr.u r18=r29,16,1
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;;
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dep r17=r18,r17,4,1
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;;
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cmp.gt p6,p0=r30,r17
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(p6) br.dpnt.few kvm_asm_dispatch_vexirq
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br.many kvm_resume_to_guest_with_sync
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END(kvm_asm_ssm)
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//mov psr.l=r2
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GLOBAL_ENTRY(kvm_asm_mov_to_psr)
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#ifndef ACCE_MOV_TO_PSR
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br.many kvm_virtualization_fault_back
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#endif
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VMX_VPS_SYNC_READ
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;;
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extr.u r26=r25,13,7 //r2
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addl r20=@gprel(asm_mov_from_reg),gp
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;;
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adds r30=kvm_asm_mov_to_psr_back-asm_mov_from_reg,r20
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shladd r26=r26,4,r20
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mov r24=b0
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;;
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add r27=VPD_VPSR_START_OFFSET,r16
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mov b0=r26
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br.many b0
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;;
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kvm_asm_mov_to_psr_back:
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ld8 r17=[r27]
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add r22=VMM_VCPU_MODE_FLAGS_OFFSET,r21
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dep r19=0,r19,32,32
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;;
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ld4 r23=[r22]
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dep r18=0,r17,0,32
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;;
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add r30=r18,r19
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movl r28=IA64_PSR_DT+IA64_PSR_RT+IA64_PSR_IT
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;;
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st8 [r27]=r30
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and r27=r28,r30
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and r29=r28,r17
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;;
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cmp.eq p5,p0=r29,r27
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cmp.eq p6,p7=r28,r27
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(p5) br.many kvm_asm_mov_to_psr_1
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;;
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//virtual to physical
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(p7) add r26=VMM_VCPU_META_RR0_OFFSET,r21
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(p7) add r27=VMM_VCPU_META_RR0_OFFSET+8,r21
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(p7) dep r23=-1,r23,0,1
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;;
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//physical to virtual
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(p6) add r26=VMM_VCPU_META_SAVED_RR0_OFFSET,r21
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(p6) add r27=VMM_VCPU_META_SAVED_RR0_OFFSET+8,r21
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(p6) dep r23=0,r23,0,1
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;;
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ld8 r26=[r26]
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ld8 r27=[r27]
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st4 [r22]=r23
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dep.z r28=4,61,3
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;;
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mov rr[r0]=r26
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;;
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mov rr[r28]=r27
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;;
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srlz.d
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;;
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kvm_asm_mov_to_psr_1:
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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_with_sync
|
|
;;
|
|
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_with_sync
|
|
END(kvm_asm_mov_to_psr)
|
|
|
|
|
|
ENTRY(kvm_asm_dispatch_vexirq)
|
|
//increment iip
|
|
mov r17 = b0
|
|
mov r18 = r31
|
|
{.mii
|
|
add r25=VMM_VPD_BASE_OFFSET,r21
|
|
nop 0x0
|
|
mov r24 = ip
|
|
;;
|
|
}
|
|
{.mmb
|
|
add r24 = 0x20, r24
|
|
ld8 r25 = [r25]
|
|
br.sptk.many kvm_vps_sync_write
|
|
}
|
|
mov b0 =r17
|
|
mov r16=cr.ipsr
|
|
mov r31 = r18
|
|
mov r19 = 37
|
|
;;
|
|
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 r28=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,r28 // 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 r28=[r27] // get vcpu->arch.vrr[r23]'s value
|
|
;;
|
|
mov b0=r24
|
|
//Fallback to C if pta.vf is set
|
|
tbit.nz p6,p0=r17, 8
|
|
;;
|
|
(p6) mov r24=EVENT_THASH
|
|
(p6) br.cond.dpnt.many kvm_virtualization_fault_back
|
|
extr.u r28=r28,2,6 // get rr.ps
|
|
shl r22=r26,r29 // 1UL << pta.size
|
|
;;
|
|
shr.u r23=r19,r28 // 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_with_sync)
|
|
adds r19=VMM_VPD_BASE_OFFSET,r21
|
|
mov r16 = r31
|
|
mov r17 = r24
|
|
;;
|
|
{.mii
|
|
ld8 r25 =[r19]
|
|
nop 0x0
|
|
mov r24 = ip
|
|
;;
|
|
}
|
|
{.mmb
|
|
add r24 =0x20, r24
|
|
nop 0x0
|
|
br.sptk.many kvm_vps_sync_write
|
|
}
|
|
|
|
mov r31 = r16
|
|
mov r24 =r17
|
|
;;
|
|
br.sptk.many kvm_resume_to_guest
|
|
END(kvm_resume_to_guest_with_sync)
|
|
|
|
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
|
|
mov r27=cr.isr
|
|
;;
|
|
tbit.z p6,p7 = r19,IA64_PSR_IC_BIT // p7=vpsr.ic
|
|
shr r27=r27,IA64_ISR_IR_BIT
|
|
;;
|
|
(p6) ld8 r26=[r25]
|
|
(p7) mov b0=r28
|
|
;;
|
|
(p6) dep r26=r27,r26,63,1
|
|
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)
|