status_t arch_smp_init(kernel_args *args) { TRACE(("%s: entry\n", __func__)); if (!apic_available()) { // if we don't have an apic we can't do smp TRACE(("%s: apic not available for smp\n", __func__)); return B_OK; } // setup some globals memcpy(sCPUAPICIds, args->arch_args.cpu_apic_id, sizeof(args->arch_args.cpu_apic_id)); memcpy(sAPICVersions, args->arch_args.cpu_apic_version, sizeof(args->arch_args.cpu_apic_version)); // set up the local apic on the boot cpu arch_smp_per_cpu_init(args, 0); if (args->num_cpus > 1) { // I/O interrupts start at ARCH_INTERRUPT_BASE, so all interrupts are shifted reserve_io_interrupt_vectors(3, 0xfd - ARCH_INTERRUPT_BASE); install_io_interrupt_handler(0xfd - ARCH_INTERRUPT_BASE, &x86_ici_interrupt, NULL, B_NO_LOCK_VECTOR); install_io_interrupt_handler(0xfe - ARCH_INTERRUPT_BASE, &x86_smp_error_interrupt, NULL, B_NO_LOCK_VECTOR); install_io_interrupt_handler(0xff - ARCH_INTERRUPT_BASE, &x86_spurious_interrupt, NULL, B_NO_LOCK_VECTOR); } return B_OK; }
void msi_init() { if (!apic_available()) { dprintf("disabling msi due to missing apic\n"); return; } for (uint16 i = 0; i < kVectorCount; i++) sAllocatedVectors[i] = false; // the first 24 vectors are addressable with a single ioapic config for (uint16 i = 0; i < 24; i++) sAllocatedVectors[i] = true; // performance testing and syscall interrupts sAllocatedVectors[98 - ARCH_INTERRUPT_BASE] = true; sAllocatedVectors[99 - ARCH_INTERRUPT_BASE] = true; // the upper range is used by apic local (timer) and smp interrupts (ipi) for (uint16 i = 251; i < 256; i++) sAllocatedVectors[i - ARCH_INTERRUPT_BASE] = true; dprintf("msi support enabled\n"); sMSISupported = true; }
void msi_init(kernel_args* args) { if (!apic_available()) { dprintf("disabling msi due to missing apic\n"); return; } dprintf("msi support enabled\n"); sMSISupported = true; sBootCPUAPICId = args->arch_args.cpu_apic_id[0]; }
static status_t acpi_std_ops(int32 op,...) { switch (op) { case B_MODULE_INIT: { ACPI_OBJECT arg; ACPI_OBJECT_LIST parameter; void *settings; bool acpiDisabled = false; AcpiGbl_CopyDsdtLocally = true; settings = load_driver_settings("kernel"); if (settings != NULL) { acpiDisabled = !get_driver_boolean_parameter(settings, "acpi", true, true); unload_driver_settings(settings); } if (!acpiDisabled) { // check if safemode settings disable ACPI settings = load_driver_settings(B_SAFEMODE_DRIVER_SETTINGS); if (settings != NULL) { acpiDisabled = get_driver_boolean_parameter(settings, B_SAFEMODE_DISABLE_ACPI, false, false); unload_driver_settings(settings); } } if (acpiDisabled) { ERROR("ACPI disabled\n"); return ENOSYS; } if (gDPC->new_dpc_queue(&gDPCHandle, "acpi_task", B_URGENT_DISPLAY_PRIORITY + 1) != B_OK) { ERROR("failed to create os execution queue\n"); return B_ERROR; } #ifdef ACPI_DEBUG_OUTPUT AcpiDbgLevel = ACPI_DEBUG_ALL | ACPI_LV_VERBOSE; AcpiDbgLayer = ACPI_ALL_COMPONENTS; #endif if (checkAndLogFailure(AcpiInitializeSubsystem(), "AcpiInitializeSubsystem failed")) goto err; if (checkAndLogFailure(AcpiInitializeTables(NULL, 0, TRUE), "AcpiInitializeTables failed")) goto err; if (checkAndLogFailure(AcpiLoadTables(), "AcpiLoadTables failed")) goto err; /* Install the default address space handlers. */ if (checkAndLogFailure(AcpiInstallAddressSpaceHandler( ACPI_ROOT_OBJECT, ACPI_ADR_SPACE_SYSTEM_MEMORY, ACPI_DEFAULT_HANDLER, NULL, NULL), "Could not initialise SystemMemory handler:")) goto err; if (checkAndLogFailure(AcpiInstallAddressSpaceHandler( ACPI_ROOT_OBJECT, ACPI_ADR_SPACE_SYSTEM_IO, ACPI_DEFAULT_HANDLER, NULL, NULL), "Could not initialise SystemIO handler:")) goto err; if (checkAndLogFailure(AcpiInstallAddressSpaceHandler( ACPI_ROOT_OBJECT, ACPI_ADR_SPACE_PCI_CONFIG, ACPI_DEFAULT_HANDLER, NULL, NULL), "Could not initialise PciConfig handler:")) goto err; arg.Integer.Type = ACPI_TYPE_INTEGER; arg.Integer.Value = apic_available() ? APIC_MODE : PIC_MODE; parameter.Count = 1; parameter.Pointer = &arg; AcpiEvaluateObject(NULL, "\\_PIC", ¶meter, NULL); if (checkAndLogFailure(AcpiEnableSubsystem( ACPI_FULL_INITIALIZATION), "AcpiEnableSubsystem failed")) goto err; if (checkAndLogFailure(AcpiInitializeObjects( ACPI_FULL_INITIALIZATION), "AcpiInitializeObjects failed")) goto err; //TODO: Walk namespace init ALL _PRW's #ifdef ACPI_DEBUG_OUTPUT checkAndLogFailure( AcpiInstallGlobalEventHandler(globalGPEHandler, NULL), "Failed to install global GPE-handler."); checkAndLogFailure(AcpiInstallNotifyHandler(ACPI_ROOT_OBJECT, ACPI_ALL_NOTIFY, globalNotifyHandler, NULL), "Failed to install global Notify-handler."); #endif checkAndLogFailure(AcpiEnableAllRuntimeGpes(), "Failed to enable all runtime Gpes"); checkAndLogFailure(AcpiUpdateAllGpes(), "Failed to update all Gpes"); TRACE("ACPI initialized\n"); return B_OK; err: return B_ERROR; } case B_MODULE_UNINIT: { if (checkAndLogFailure(AcpiTerminate(), "Could not bring system out of ACPI mode. Oh well.")); gDPC->delete_dpc_queue(gDPCHandle); gDPCHandle = NULL; break; } default: return B_ERROR; } return B_OK; }