81d597b736
'struct vmxctx'. It is preserved on the host stack across a guest entry and exit and just restoring the host's '%rsp' is sufficient. Pointed out by: grehan@
89 lines
3.6 KiB
C
89 lines
3.6 KiB
C
/*-
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* Copyright (c) 2011 NetApp, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/proc.h>
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#include <sys/assym.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#include <machine/vmm.h>
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#include "vmx_cpufunc.h"
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#include "vmx.h"
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ASSYM(VMXCTX_GUEST_RDI, offsetof(struct vmxctx, guest_rdi));
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ASSYM(VMXCTX_GUEST_RSI, offsetof(struct vmxctx, guest_rsi));
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ASSYM(VMXCTX_GUEST_RDX, offsetof(struct vmxctx, guest_rdx));
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ASSYM(VMXCTX_GUEST_RCX, offsetof(struct vmxctx, guest_rcx));
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ASSYM(VMXCTX_GUEST_R8, offsetof(struct vmxctx, guest_r8));
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ASSYM(VMXCTX_GUEST_R9, offsetof(struct vmxctx, guest_r9));
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ASSYM(VMXCTX_GUEST_RAX, offsetof(struct vmxctx, guest_rax));
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ASSYM(VMXCTX_GUEST_RBX, offsetof(struct vmxctx, guest_rbx));
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ASSYM(VMXCTX_GUEST_RBP, offsetof(struct vmxctx, guest_rbp));
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ASSYM(VMXCTX_GUEST_R10, offsetof(struct vmxctx, guest_r10));
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ASSYM(VMXCTX_GUEST_R11, offsetof(struct vmxctx, guest_r11));
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ASSYM(VMXCTX_GUEST_R12, offsetof(struct vmxctx, guest_r12));
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ASSYM(VMXCTX_GUEST_R13, offsetof(struct vmxctx, guest_r13));
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ASSYM(VMXCTX_GUEST_R14, offsetof(struct vmxctx, guest_r14));
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ASSYM(VMXCTX_GUEST_R15, offsetof(struct vmxctx, guest_r15));
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ASSYM(VMXCTX_GUEST_CR2, offsetof(struct vmxctx, guest_cr2));
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ASSYM(VMXCTX_HOST_R15, offsetof(struct vmxctx, host_r15));
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ASSYM(VMXCTX_HOST_R14, offsetof(struct vmxctx, host_r14));
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ASSYM(VMXCTX_HOST_R13, offsetof(struct vmxctx, host_r13));
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ASSYM(VMXCTX_HOST_R12, offsetof(struct vmxctx, host_r12));
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ASSYM(VMXCTX_HOST_RBP, offsetof(struct vmxctx, host_rbp));
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ASSYM(VMXCTX_HOST_RSP, offsetof(struct vmxctx, host_rsp));
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ASSYM(VMXCTX_HOST_RBX, offsetof(struct vmxctx, host_rbx));
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ASSYM(VMXCTX_INST_FAIL_STATUS, offsetof(struct vmxctx, inst_fail_status));
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ASSYM(VMXCTX_PMAP, offsetof(struct vmxctx, pmap));
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ASSYM(VMX_EPTGEN, offsetof(struct vmx, eptgen));
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ASSYM(VMX_EPTP, offsetof(struct vmx, eptp));
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ASSYM(VM_FAIL_INVALID, VM_FAIL_INVALID);
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ASSYM(VM_FAIL_VALID, VM_FAIL_VALID);
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ASSYM(VMX_GUEST_VMEXIT, VMX_GUEST_VMEXIT);
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ASSYM(VMX_VMRESUME_ERROR, VMX_VMRESUME_ERROR);
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ASSYM(VMX_VMLAUNCH_ERROR, VMX_VMLAUNCH_ERROR);
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ASSYM(VMX_INVEPT_ERROR, VMX_INVEPT_ERROR);
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ASSYM(PC_CPUID, offsetof(struct pcpu, pc_cpuid));
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ASSYM(PM_ACTIVE, offsetof(struct pmap, pm_active));
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ASSYM(PM_EPTGEN, offsetof(struct pmap, pm_eptgen));
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ASSYM(KERNEL_SS, GSEL(GDATA_SEL, SEL_KPL));
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ASSYM(KERNEL_CS, GSEL(GCODE_SEL, SEL_KPL));
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