90e528f838
Previously this was done by the caller of 'svm_launch()' after it returned. This works fine as long as no code is executed in the interim that depends on pcpu data. The dtrace probe 'fbt:vmm:svm_launch:return' broke this assumption because it calls 'dtrace_probe()' which in turn relies on pcpu data. Reported by: avg MFC after: 1 week
57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
/*-
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* Copyright (c) 2013 Anish Gupta (akgupt3@gmail.com)
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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 unmodified, this list of conditions, and the following
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* 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 THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _SVM_H_
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#define _SVM_H_
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struct pcpu;
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/*
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* Guest register state that is saved outside the VMCB.
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*/
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struct svm_regctx {
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register_t sctx_rbp;
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register_t sctx_rbx;
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register_t sctx_rcx;
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register_t sctx_rdx;
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register_t sctx_rdi;
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register_t sctx_rsi;
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register_t sctx_r8;
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register_t sctx_r9;
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register_t sctx_r10;
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register_t sctx_r11;
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register_t sctx_r12;
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register_t sctx_r13;
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register_t sctx_r14;
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register_t sctx_r15;
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};
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void svm_launch(uint64_t pa, struct svm_regctx *gctx, struct pcpu *pcpu);
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#endif /* _SVM_H_ */
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