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Voyager/Voyager-2/PayLoad/vmexit_handler.cpp

30 lines
740 B

#include "types.h"
#define VMEXIT_KEY 0xDEADBEEFDEADBEEF
svm::pgs_base_struct vcpu_run(svm::pguest_context context)
{
while (1)
{
__svm_clgi();
svm::pgs_base_struct result = reinterpret_cast<svm::vcpu_run_t>(
reinterpret_cast<uintptr_t>(&vcpu_run) -
svm::voyager_context.vcpu_run_rva)(context);
__svm_stgi();
// gs:0 + 0x103B0 ] + 0x198 ] + 0xE80 ] = pointer to vmcb...
auto vmcb = *reinterpret_cast<svm::pvmcb*>(
*reinterpret_cast<uintptr_t*>(
reinterpret_cast<uintptr_t>(
result->pvcpu_context) + 0x198) + 0xE80);
if (vmcb->exitcode == VMEXIT_CPUID && context->rcx == VMEXIT_KEY)
{
vmcb->rax = 0xC0FFEE;
vmcb->rip = vmcb->nrip;
continue;
}
// else return result...
return result;
}
}