C++ (Cpp) vmlaunchの例

コード例 #1

ファイル: evmcs_test.c プロジェクト: avagin/linux

void l1_guest_code(struct vmx_pages *vmx_pages)
{
#define L2_GUEST_STACK_SIZE 64
	unsigned long l2_guest_stack[L2_GUEST_STACK_SIZE];

	enable_vp_assist(vmx_pages->vp_assist_gpa, vmx_pages->vp_assist);

	GUEST_ASSERT(vmx_pages->vmcs_gpa);
	GUEST_ASSERT(prepare_for_vmx_operation(vmx_pages));
	GUEST_SYNC(3);
	GUEST_ASSERT(load_vmcs(vmx_pages));
	GUEST_ASSERT(vmptrstz() == vmx_pages->enlightened_vmcs_gpa);

	GUEST_SYNC(4);
	GUEST_ASSERT(vmptrstz() == vmx_pages->enlightened_vmcs_gpa);

	prepare_vmcs(vmx_pages, l2_guest_code,
		     &l2_guest_stack[L2_GUEST_STACK_SIZE]);

	GUEST_SYNC(5);
	GUEST_ASSERT(vmptrstz() == vmx_pages->enlightened_vmcs_gpa);
	GUEST_ASSERT(!vmlaunch());
	GUEST_ASSERT(vmptrstz() == vmx_pages->enlightened_vmcs_gpa);
	GUEST_SYNC(8);
	GUEST_ASSERT(!vmresume());
	GUEST_ASSERT(vmreadz(VM_EXIT_REASON) == EXIT_REASON_VMCALL);
	GUEST_SYNC(9);
}

コード例 #2

ファイル: state_test.c プロジェクト: markus-oberhumer/linux

void l1_guest_code(struct vmx_pages *vmx_pages)
{
#define L2_GUEST_STACK_SIZE 64
        unsigned long l2_guest_stack[L2_GUEST_STACK_SIZE];

	GUEST_ASSERT(vmx_pages->vmcs_gpa);
	GUEST_ASSERT(prepare_for_vmx_operation(vmx_pages));
	GUEST_SYNC(3);
	GUEST_ASSERT(load_vmcs(vmx_pages));
	GUEST_ASSERT(vmptrstz() == vmx_pages->vmcs_gpa);

	GUEST_SYNC(4);
	GUEST_ASSERT(vmptrstz() == vmx_pages->vmcs_gpa);

	prepare_vmcs(vmx_pages, l2_guest_code,
		     &l2_guest_stack[L2_GUEST_STACK_SIZE]);

	GUEST_SYNC(5);
	GUEST_ASSERT(vmptrstz() == vmx_pages->vmcs_gpa);
	GUEST_ASSERT(!vmlaunch());
	GUEST_ASSERT(vmptrstz() == vmx_pages->vmcs_gpa);
	GUEST_ASSERT(vmreadz(VM_EXIT_REASON) == EXIT_REASON_VMCALL);

	/* Check that the launched state is preserved.  */
	GUEST_ASSERT(vmlaunch());

	GUEST_ASSERT(!vmresume());
	GUEST_ASSERT(vmreadz(VM_EXIT_REASON) == EXIT_REASON_VMCALL);

	GUEST_SYNC(7);
	GUEST_ASSERT(vmreadz(VM_EXIT_REASON) == EXIT_REASON_VMCALL);

	GUEST_ASSERT(!vmresume());
	GUEST_ASSERT(vmreadz(VM_EXIT_REASON) == EXIT_REASON_VMCALL);

	vmwrite(GUEST_RIP, vmreadz(GUEST_RIP) + 3);

	vmwrite(SECONDARY_VM_EXEC_CONTROL, SECONDARY_EXEC_SHADOW_VMCS);
	vmwrite(VMCS_LINK_POINTER, vmx_pages->shadow_vmcs_gpa);

	GUEST_ASSERT(!vmptrld(vmx_pages->shadow_vmcs_gpa));
	GUEST_ASSERT(vmlaunch());
	GUEST_SYNC(8);
	GUEST_ASSERT(vmlaunch());
	GUEST_ASSERT(vmresume());

	vmwrite(GUEST_RIP, 0xc0ffee);
	GUEST_SYNC(9);
	GUEST_ASSERT(vmreadz(GUEST_RIP) == 0xc0ffee);

	GUEST_ASSERT(!vmptrld(vmx_pages->vmcs_gpa));
	GUEST_ASSERT(!vmresume());
	GUEST_ASSERT(vmreadz(VM_EXIT_REASON) == EXIT_REASON_VMCALL);

	GUEST_ASSERT(!vmptrld(vmx_pages->shadow_vmcs_gpa));
	GUEST_ASSERT(vmreadz(GUEST_RIP) == 0xc0ffffee);
	GUEST_ASSERT(vmlaunch());
	GUEST_ASSERT(vmresume());
	GUEST_SYNC(13);
	GUEST_ASSERT(vmreadz(GUEST_RIP) == 0xc0ffffee);
	GUEST_ASSERT(vmlaunch());
	GUEST_ASSERT(vmresume());
}