89 lines
1.3 KiB
C
89 lines
1.3 KiB
C
#ifndef _VISOR_VMX_H_
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#define _VISOR_VMX_H_
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#include <stdint.h>
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struct VMXON {
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uint32_t revisionID;
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uint32_t abortIndicator;
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char vmcsData[];
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};
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struct VMCS {
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int _placeholder;
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/* Guest-state area */
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/* Host-state area */
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/* VM-execution control fields */
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/* VM-exit control fields */
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/* VM-entry control fields */
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/* VM-exit information fields */
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};
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static inline uint64_t
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vmxon(void *region)
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{
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uint64_t regionpa = (uint64_t)region;
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uint64_t flags;
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__asm__ volatile (
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"vmxon %1\n\t"
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"pushf \n\t"
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"pop %0\n\t"
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: "=r"(flags) : "m"(regionpa));
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return flags;
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}
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static inline void
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vmxoff(void)
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{
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__asm__ volatile ("vmxoff\n\t" ::);
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}
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static inline void
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vmptrld(void *region)
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{
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__asm__ volatile ("vmptrld %0\n\t" :: "r"(region));
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}
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static inline void
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vmptrst(void *arg)
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{
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__asm__ volatile ("vmptrst\n\t" ::);
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}
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static inline void
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vmclear(void *region)
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{
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__asm__ volatile ("vmclear %0\n\t" :: "r"(region));
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}
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static inline void
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vmlaunch(void)
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{
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__asm__ volatile ("vmlaunch\n\t" ::);
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}
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static inline void
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vmresume(void)
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{
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__asm__ volatile ("vmresume\n\t" ::);
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}
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static inline void
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vmread()
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{
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__asm__ volatile ("vmread\n\t" ::);
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}
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static inline void
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vmwrite()
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{
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__asm__ volatile ("vmwrite\n\t" ::);
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}
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static inline void
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vmcall()
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{
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__asm__ volatile ("vmcall\n\t" ::);
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}
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#endif
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