// until we support ISA device enumeration from PnP BIOS or ACPI,
// we have to probe the 4 default COM ports...
status_t
scan_isa_hardcoded()
{
#ifdef HANDLE_ISA_COM
int i;
bool serialDebug = get_safemode_boolean("serial_debug_output", true);
for (i = 0; i < 4; i++) {
// skip the port used for kernel debugging...
if (serialDebug && sHardcodedPorts[i].ioBase == gKernelDebugPort) {
TRACE_ALWAYS("Skipping port %d as it is used for kernel debug.\n", i);
continue;
}
SerialDevice *device;
device = new(std::nothrow) SerialDevice(&sSupportedDevices[0],
sHardcodedPorts[i].ioBase, sHardcodedPorts[i].irq);
if (device != NULL && device->Probe())
pc_serial_insert_device(device);
else
delete device;
}
#endif
return B_OK;
}
status_t
smp_init(kernel_args* args)
{
TRACE(("smp_init: entry\n"));
#if DEBUG_SPINLOCK_LATENCIES
sEnableLatencyCheck
= !get_safemode_boolean(B_SAFEMODE_DISABLE_LATENCY_CHECK, false);
#endif
#if DEBUG_SPINLOCKS
add_debugger_command_etc("spinlock", &dump_spinlock,
"Dump info on a spinlock",
"\n"
"Dumps info on a spinlock.\n", 0);
#endif
add_debugger_command_etc("ici", &dump_ici_messages,
"Dump info on pending ICI messages",
"\n"
"Dumps info on pending ICI messages.\n", 0);
add_debugger_command_etc("ici_message", &dump_ici_message,
"Dump info on an ICI message",
"\n"
"Dumps info on an ICI message.\n", 0);
if (args->num_cpus > 1) {
sFreeMessages = NULL;
sFreeMessageCount = 0;
for (int i = 0; i < MSG_POOL_SIZE; i++) {
struct smp_msg* msg
= (struct smp_msg*)malloc(sizeof(struct smp_msg));
if (msg == NULL) {
panic("error creating smp mailboxes\n");
return B_ERROR;
}
memset(msg, 0, sizeof(struct smp_msg));
msg->next = sFreeMessages;
sFreeMessages = msg;
sFreeMessageCount++;
}
sNumCPUs = args->num_cpus;
}
TRACE(("smp_init: calling arch_smp_init\n"));
return arch_smp_init(args);
}
status_t
blue_screen_init(void)
{
extern console_module_info gFrameBufferConsoleModule;
// we can't use get_module() here, since it's too early in the boot process
if (!frame_buffer_console_available())
return B_ERROR;
sModule = &gFrameBufferConsoleModule;
sScreen.paging = !get_safemode_boolean(
"disable_onscreen_paging", false);
sScreen.paging_timeout = false;
add_debugger_command("paging", set_paging, "Enable or disable paging");
return B_OK;
}
