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Function vmexit_entry

kernel/integration/bf_vs_op_migrate.cpp:239–273  ·  view source on GitHub ↗

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237 /// @param exit_reason the exit reason associated with the VMExit
238 ///
239 extern "C" void
240 vmexit_entry(
241 bsl::safe_u16::value_type const vsid, bsl::safe_u64::value_type const exit_reason) noexcept
242 {
243 /// NOTE:
244 /// - Call into the vmexit handler. This entry point serves as a
245 /// trampoline between C and C++. Specifically, the microkernel
246 /// cannot call a member function directly, and can only call
247 /// a C style function.
248 ///
249
250 auto const ret{dispatch_vmexit( // --
251 g_mut_gs, // --
252 g_mut_tls, // --
253 g_mut_sys, // --
254 g_mut_intrinsic, // --
255 g_mut_vp_pool, // --
256 g_mut_vs_pool, // --
257 bsl::to_u16(vsid), // --
258 bsl::to_u64(exit_reason))};
259
260 if (bsl::unlikely(!ret)) {
261 bsl::print<bsl::V>() << bsl::here();
262 return bf_control_op_exit();
263 }
264
265 /// NOTE:
266 /// - This code should never be reached. The VMExit handler should
267 /// always call one of the "run" ABIs to return back to the
268 /// microkernel when a VMExit is finished. If this is called, it
269 /// is because the VMExit handler returned with an error.
270 ///
271
272 return bf_control_op_exit();
273 }
274
275 /// <!-- description -->
276 /// @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