[kernel][ports] Add basic ports functionality

top/main.c

 /*
  * Copyright (c) 2013-2015 Travis Geiselbrecht
  *
  * Permission is hereby granted, free of charge, to any person obtaining
  * a copy of this software and associated documentation files
  * (the "Software"), to deal in the Software without restriction,
  * including without limitation the rights to use, copy, modify, merge,
  * publish, distribute, sublicense, and/or sell copies of the Software,
  * and to permit persons to whom the Software is furnished to do so,
  * subject to the following conditions:
@@ skipping 18 matching lines @@
 #include <debug.h>
 #include <string.h>
 #include <app.h>
 #include <arch.h>
 #include <platform.h>
 #include <target.h>
 #include <lib/heap.h>
 #include <kernel/mutex.h>
 #include <kernel/novm.h>
 #include <kernel/thread.h>
+#include <kernel/port.h>
 #include <lk/init.h>
 #include <lk/main.h>
 
 /* saved boot arguments from whoever loaded the system */
 ulong lk_boot_args[4];
 
 extern void *__ctor_list;
 extern void *__ctor_end;
 extern int __bss_start;
 extern int _end;
@@ skipping 60 matching lines @@
     heap_init();
 
     // deal with any static constructors
     dprintf(SPEW, "calling constructors\n");
     call_constructors();
 
     // initialize the kernel
     lk_primary_cpu_init_level(LK_INIT_LEVEL_HEAP, LK_INIT_LEVEL_KERNEL - 1);
     kernel_init();
 
+    // initialize the named ports.
+    port_init();

[travisg, 2015/11/19 21:26:10]

Should probably just move this inside kernel_init()

[cpu_(ooo_6.6-7.5), 2015/11/20 22:18:46]

Done.

+
     lk_primary_cpu_init_level(LK_INIT_LEVEL_KERNEL, LK_INIT_LEVEL_THREADING - 1);
 
     // create a thread to complete system initialization
     dprintf(SPEW, "creating bootstrap completion thread\n");
     thread_t *t = thread_create("bootstrap2", &bootstrap2, NULL, DEFAULT_PRIORITY, DEFAULT_STACK_SIZE);
     t->pinned_cpu = 0;
     thread_detach(t);
     thread_resume(t);
 
     // become the idle thread and enable interrupts to start the scheduler
@@ skipping 64 matching lines @@
         thread_t *t = thread_create("secondarybootstrap2",
                                     &secondary_cpu_bootstrap2, NULL,
                                     DEFAULT_PRIORITY, DEFAULT_STACK_SIZE);
         t->pinned_cpu = i + 1;
         thread_detach(t);
         secondary_bootstrap_threads[i] = t;
     }
     secondary_bootstrap_thread_count = secondary_cpu_count;
 }
 #endif