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Function fail_entry

kernel/integration/bf_vs_op_init_as_root.cpp:169–202  ·  view source on GitHub ↗

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167 /// input is undefined.
168 ///
169 extern "C" void
170 fail_entry(bsl::safe_u64::value_type const errc, bsl::safe_u64::value_type const addr) noexcept
171 {
172 /// NOTE:
173 /// - Call into the fast fail handler. This entry point serves as a
174 /// trampoline between C and C++. Specifically, the microkernel
175 /// cannot call a member function directly, and can only call
176 /// a C style function.
177 ///
178
179 auto const ret{dispatch_fail( // --
180 g_mut_gs, // --
181 g_mut_tls, // --
182 g_mut_sys, // --
183 g_mut_intrinsic, // --
184 g_mut_vp_pool, // --
185 g_mut_vs_pool, // --
186 bsl::to_u64(errc), // --
187 bsl::to_u64(addr))};
188
189 if (bsl::unlikely(!ret)) {
190 bsl::print<bsl::V>() << bsl::here();
191 return bf_control_op_exit();
192 }
193
194 /// NOTE:
195 /// - This code should never be reached. The fast fail handler should
196 /// always call one of the "run" ABIs to return back to the
197 /// microkernel when a fast fail is finished. If this is called, it
198 /// is because the fast fail handler returned with an error.
199 ///
200
201 return bf_control_op_exit();
202 }
203
204 /// <!-- description -->
205 /// @brief Implements the VMExit entry function. This is registered

Callers

nothing calls this directly

Calls 2

dispatch_failFunction · 0.50
bf_control_op_exitFunction · 0.50

Tested by

no test coverage detected