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hub / github.com/Bareflank/hypervisor / vmexit_entry

Function vmexit_entry

kernel/integration/bf_vs_op_tlb_flush.cpp:225–259  ·  view source on GitHub ↗

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223 /// @param exit_reason the exit reason associated with the VMExit
224 ///
225 extern "C" void
226 vmexit_entry(
227 bsl::safe_u16::value_type const vsid, bsl::safe_u64::value_type const exit_reason) noexcept
228 {
229 /// NOTE:
230 /// - Call into the vmexit handler. This entry point serves as a
231 /// trampoline between C and C++. Specifically, the microkernel
232 /// cannot call a member function directly, and can only call
233 /// a C style function.
234 ///
235
236 auto const ret{dispatch_vmexit( // --
237 g_mut_gs, // --
238 g_mut_tls, // --
239 g_mut_sys, // --
240 g_mut_intrinsic, // --
241 g_mut_vp_pool, // --
242 g_mut_vs_pool, // --
243 bsl::to_u16(vsid), // --
244 bsl::to_u64(exit_reason))};
245
246 if (bsl::unlikely(!ret)) {
247 bsl::print<bsl::V>() << bsl::here();
248 return bf_control_op_exit();
249 }
250
251 /// NOTE:
252 /// - This code should never be reached. The VMExit handler should
253 /// always call one of the "run" ABIs to return back to the
254 /// microkernel when a VMExit is finished. If this is called, it
255 /// is because the VMExit handler returned with an error.
256 ///
257
258 return bf_control_op_exit();
259 }
260
261 /// <!-- description -->
262 /// @brief Implements the main entry function for this example

Callers

nothing calls this directly

Calls 2

dispatch_vmexitFunction · 0.50
bf_control_op_exitFunction · 0.50

Tested by

no test coverage detected