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-rw-r--r--physmem/physmem.c283
1 files changed, 0 insertions, 283 deletions
diff --git a/physmem/physmem.c b/physmem/physmem.c
deleted file mode 100644
index 0c824a2..0000000
--- a/physmem/physmem.c
+++ /dev/null
@@ -1,283 +0,0 @@
-/* Main function for physical memory server.
- Copyright (C) 2003, 2005 Free Software Foundation, Inc.
- Written by Marcus Brinkmann.
-
- This file is part of the GNU Hurd.
-
- The GNU Hurd is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU Hurd is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-#if HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <stdlib.h>
-#include <sys/mman.h>
-#include <pthread.h>
-
-#include <hurd/wortel.h>
-
-#include "priv.h"
-#include "zalloc.h"
-
-
-/* The program name. */
-char program_name[] = "physmem";
-
-
-/* The following functions are required by pthread. */
-
-void
-__attribute__ ((__noreturn__))
-exit (int __status)
-{
- panic ("exit() called");
-}
-
-
-void
-abort (void)
-{
- panic ("abort() called");
-}
-
-
-/* Initialized in main. */
-l4_thread_id_t wortel_thread_id;
-
-/* FIXME: Hard coded cap ID. */
-wortel_cap_id_t wortel_cap_id = 0;
-
-
-void
-get_all_memory (void)
-{
- l4_fpage_t fpage;
-
- do
- {
- fpage = wortel_get_mem ();
-
- if (fpage != L4_NILPAGE)
- zfree (l4_address (fpage), l4_size (fpage));
- }
- while (fpage != L4_NILPAGE);
-}
-
-
-void
-create_bootstrap_caps (hurd_cap_bucket_t bucket)
-{
- error_t err;
- hurd_cap_handle_t cap;
- struct container *container;
- hurd_cap_obj_t obj;
-
- l4_accept (l4_map_grant_items (L4_COMPLETE_ADDRESS_SPACE));
-
- while (1)
- {
- hurd_task_id_t task_id;
- unsigned int nr_fpages;
- l4_fpage_t fpages[L4_NUM_MRS / 2];
-
- task_id = wortel_get_cap_request (&nr_fpages, fpages);
-
- if (nr_fpages == 0)
- {
- /* This requests the master control capability. */
-
- /* FIXME: Create capability. */
- /* FIXME: Use our control cap for this task here. */
- wortel_get_cap_reply (0xf00);
-
- /* This is the last request made. */
- return;
- }
- else
- {
- debug ("Creating cap for 0x%x:", task_id);
-
- /* Create memory container for the provided grant items. */
- if (nr_fpages == 1 && fpages[0] == L4_NILPAGE)
- {
- /* FIXME: Create control capability for this one
- task. */
- debug ("%s", "Can't create task control capability yet");
- }
- else
- {
- err = container_alloc (nr_fpages, fpages, &container);
- if (err)
- panic ("container_alloc: %i\n", err);
-
- obj = hurd_cap_obj_from_user (struct container *, container);
- hurd_cap_obj_unlock (obj);
-
- err = hurd_cap_bucket_inject (bucket, obj, task_id, &cap);
- if (err)
- panic ("hurd_cap_bucket_inject: %i\n", err);
-
- hurd_cap_obj_lock (obj);
- hurd_cap_obj_drop (obj);
-
- debug (" 0x%x\n", cap);
-
- /* Return CAP. */
- wortel_get_cap_reply (cap);
- }
- }
- }
-}
-
-
-/* Initialize the thread support, and return the L4 thread ID to be
- used for the server thread. */
-static l4_thread_id_t
-setup_threads (void)
-{
- int err;
- pthread_t thread;
- l4_thread_id_t server_thread;
- l4_thread_id_t main_thread;
- l4_word_t extra_threads;
-
- extra_threads = wortel_get_threads ();
- if (extra_threads < 3)
- panic ("at least three extra threads required for physmem");
-
- /* Use the first extra thread as main thread. */
- main_thread = l4_global_id (l4_thread_no (l4_my_global_id ()) + 1,
- l4_version (l4_my_global_id ()));
- server_thread = l4_my_global_id ();
-
- /* Switch threads. We still need the current main thread as the
- server thread. */
- l4_set_pager_of (main_thread, l4_pager ());
- switch_thread (server_thread, main_thread);
-
- /* Create the main thread. */
- err = pthread_create (&thread, 0, 0, 0);
-
- if (err)
- panic ("could not create main thread: %i\n", err);
-
- /* Now add the remaining extra threads to the pool. */
- while (--extra_threads > 0)
- {
- l4_thread_id_t tid;
- tid = l4_global_id (l4_thread_no (l4_my_global_id ()) + extra_threads,
- l4_version (l4_my_global_id ()));
- pthread_pool_add_np (tid);
- }
-
- return server_thread;
-}
-
-
-/* FIXME: Should be elsewhere. Needed by libhurd-slab. */
-int
-getpagesize ()
-{
- return l4_min_page_size ();
-}
-
-
-void *
-physmem_server (void *arg)
-{
- hurd_cap_bucket_t bucket = (hurd_cap_bucket_t) arg;
- error_t err;
-
- /* The physical memory server can run out of threads at a time where
- the task server runs out of memory. To avoid a dead-lock, we
- allocate worker threads asynchronously. */
- hurd_cap_bucket_worker_alloc (bucket, true);
-
- /* No root object is provided by the physmem server. */
- /* FIXME: Use a worker timeout (there is no issue: even if they
- timeout before the task server is up and running, the threads
- will be cached in pthread and are still available for
- allocation). */
- err = hurd_cap_bucket_manage_mt (bucket, NULL, 0, 0);
- if (err)
- debug ("bucket_manage_mt failed: %i\n", err);
-
- panic ("bucket_manage_mt returned!");
-}
-
-
-static void
-bootstrap_final (void)
-{
- l4_thread_id_t task_server;
- hurd_cap_handle_t task_cap;
- l4_thread_id_t deva_server;
- hurd_cap_handle_t deva_cap;
-
- wortel_bootstrap_final (&task_server, &task_cap, &deva_server, &deva_cap);
-
- /* FIXME: Do something with the task cap. */
-}
-
-
-int
-main (int argc, char *argv[])
-{
- error_t err;
- l4_thread_id_t server_thread;
- hurd_cap_bucket_t bucket;
- pthread_t manager;
-
- /* FIXME: Hard coded thread ID. */
- wortel_thread_id = l4_global_id (l4_thread_user_base () + 2, 1);
-
- output_debug = 1;
-
- debug ("%s " PACKAGE_VERSION "\n", program_name);
-
- get_all_memory ();
-
- server_thread = setup_threads ();
-
- err = container_class_init ();
- if (err)
- panic ("container_class_init: %i\n", err);
-
- err = hurd_cap_bucket_create (&bucket);
- if (err)
- panic ("bucket_create: %i\n", err);
-
- frame_entry_init ();
- frame_init ();
-
- create_bootstrap_caps (bucket);
-
- /* Create the server thread and start serving RPC requests. */
- err = pthread_create_from_l4_tid_np (&manager, NULL, server_thread,
- physmem_server, bucket);
- if (err)
- panic ("pthread_create_from_l4_tid_np: %i\n", err);
- pthread_detach (manager);
-
- bootstrap_final ();
-
- /* FIXME: Eventually, add shutdown support on wortels(?)
- request. */
- while (1)
- l4_sleep (L4_NEVER);
-
- return 0;
-}
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