| 126 | /// input is undefined. |
| 127 | /// |
| 128 | extern "C" void |
| 129 | fail_entry(bsl::safe_u64::value_type const errc, bsl::safe_u64::value_type const addr) noexcept |
| 130 | { |
| 131 | /// NOTE: |
| 132 | /// - Call into the fast fail handler. This entry point serves as a |
| 133 | /// trampoline between C and C++. Specifically, the microkernel |
| 134 | /// cannot call a member function directly, and can only call |
| 135 | /// a C style function. |
| 136 | /// |
| 137 | |
| 138 | auto const ret{dispatch_fail( // -- |
| 139 | g_mut_gs, // -- |
| 140 | g_mut_tls, // -- |
| 141 | g_mut_sys, // -- |
| 142 | g_mut_intrinsic, // -- |
| 143 | g_mut_vp_pool, // -- |
| 144 | g_mut_vs_pool, // -- |
| 145 | bsl::to_u64(errc), // -- |
| 146 | bsl::to_u64(addr))}; |
| 147 | |
| 148 | if (bsl::unlikely(!ret)) { |
| 149 | bsl::print<bsl::V>() << bsl::here(); |
| 150 | return bf_control_op_exit(); |
| 151 | } |
| 152 | |
| 153 | /// NOTE: |
| 154 | /// - This code should never be reached. The fast fail handler should |
| 155 | /// always call one of the "run" ABIs to return back to the |
| 156 | /// microkernel when a fast fail is finished. If this is called, it |
| 157 | /// is because the fast fail handler returned with an error. |
| 158 | /// |
| 159 | |
| 160 | return bf_control_op_exit(); |
| 161 | } |
| 162 | |
| 163 | /// <!-- description --> |
| 164 | /// @brief Implements the VMExit entry function. This is registered |
nothing calls this directly
no test coverage detected