| 430 | /// microkernel speak the same ABI. |
| 431 | /// |
| 432 | extern "C" void |
| 433 | ext_main_entry(bsl::uint32 const version) noexcept |
| 434 | { |
| 435 | bsl::errc_type mut_ret{}; |
| 436 | |
| 437 | /// NOTE: |
| 438 | /// - Initialize the bf_syscall_t. This will validate the ABI version, |
| 439 | /// open a handle to the microkernel and register the required |
| 440 | /// callbacks. If this fails, we call bf_control_op_exit, which is |
| 441 | /// similar to exit() from POSIX, except that the return value is |
| 442 | /// always the same. |
| 443 | /// |
| 444 | |
| 445 | mut_ret = g_mut_sys.initialize( // -- |
| 446 | bsl::to_u32(version), // -- |
| 447 | &bootstrap_entry, // -- |
| 448 | &vmexit_entry, // -- |
| 449 | &fail_entry); // -- |
| 450 | |
| 451 | if (bsl::unlikely(!mut_ret)) { |
| 452 | bsl::print<bsl::V>() << bsl::here(); |
| 453 | return bf_control_op_exit(); |
| 454 | } |
| 455 | |
| 456 | mut_ret = gs_initialize(g_mut_gs, g_mut_sys, g_mut_intrinsic); |
| 457 | if (bsl::unlikely(!mut_ret)) { |
| 458 | bsl::print<bsl::V>() << bsl::here(); |
| 459 | return bf_control_op_exit(); |
| 460 | } |
| 461 | |
| 462 | /// NOTE: |
| 463 | /// - Initialize the vp_pool_t. This will give all of our vp_t's |
| 464 | /// their IDs so that they can be allocated. |
| 465 | /// |
| 466 | |
| 467 | g_mut_vp_pool.initialize(g_mut_gs, g_mut_tls, g_mut_sys, g_mut_intrinsic); |
| 468 | |
| 469 | /// NOTE: |
| 470 | /// - Initialize the vs_pool_t. This will give all of our vs_t's |
| 471 | /// their IDs so that they can be allocated. |
| 472 | /// |
| 473 | |
| 474 | g_mut_vs_pool.initialize(g_mut_gs, g_mut_tls, g_mut_sys, g_mut_intrinsic); |
| 475 | |
| 476 | /// NOTE: |
| 477 | /// - Wait for callbacks. Note that this function does not return. |
| 478 | /// The next time the extension is executed, it will be the |
| 479 | /// bootstrap callback that was just previously registered, which |
| 480 | /// will be called on each PP that is online. Failure to call this |
| 481 | /// function leads to undefined behaviour (likely a page fault). |
| 482 | /// - This is similar to the wait() function from POSIX after having |
| 483 | /// just started some processes, with the difference being that |
| 484 | /// this will never return, so there is no need to pass in status |
| 485 | /// as there is nothing to process after this call. |
| 486 | /// |
| 487 | |
| 488 | return bf_control_op_wait(); |
| 489 | } |
nothing calls this directly
no test coverage detected