This is my initial working version.

There is a bug in boot in this version: subhurd sometimes cannot boot.

1 files changed, 103 insertions, 0 deletions

diff --git a/libpthread/sysdeps/l4/pt-start.c b/libpthread/sysdeps/l4/pt-start.c
new file mode 100644
index 00000000..fb4e27be
--- /dev/null
+++ b/libpthread/sysdeps/l4/pt-start.c
@@ -0,0 +1,103 @@
+/* Start thread.  L4 Hurd version.
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <assert.h>
+#include <errno.h>
+#include <string.h>
+
+#include <pt-internal.h>
+
+#include "task_client.h"
+
+extern L4_ThreadId_t __system_pager;
+extern L4_ThreadId_t __task_server;
+
+#ifndef WORKING_EXREGS
+static void
+send_startup_ipc (L4_ThreadId_t id, L4_Word_t ip, L4_Word_t sp)
+{
+  L4_Msg_t msg;
+
+  printf ("%s: Sending startup message to %x, "
+	  "(ip=%x, sp=%x)\n",
+	  __FUNCTION__, * (L4_Word_t *) &id, ip, sp);
+
+  L4_Clear (&msg);
+#ifdef HAVE_PROPAGATION
+  L4_Set_VirtualSender (pager_tid);
+  L4_Set_Propagation (&msg.tag);
+#endif
+  L4_Append_Word (&msg, ip);
+  L4_Append_Word (&msg, sp);
+#ifndef HAVE_PROPAGATION
+  L4_Append_Word (&msg, *(L4_Word_t *) &id);
+  id = __system_pager;
+#if 0
+  DODEBUG (2, printf ("%s: Redirecting start request to pager (%x).\n",
+		      __FUNCTION__, * (L4_Word_t *) &id));
+#endif
+#endif
+  L4_LoadMsg (&msg);
+  L4_Send (id);
+}
+#endif
+
+/* Start THREAD.  We allocate all system-specific resources, including
+   a kernel thread, set it up, and get it running.  */
+int
+__pthread_start (struct __pthread *thread)
+{
+  error_t err;
+
+  if (__pthread_num_threads == 1)
+    /* The main thread is already running: do nothing.  */
+    {
+      assert (__pthread_total == 1);
+      thread->threadid = L4_Myself ();
+    }
+  else
+    {
+      CORBA_Environment env;
+
+      env = idl4_default_environment;
+      err = thread_create (__task_server,
+			   L4_Version (L4_Myself ()),
+			   * (L4_Word_t *) &__system_pager,
+			   (L4_Word_t *) &thread->threadid, &env);
+      if (err)
+	return EAGAIN;
+
+      env = idl4_default_environment;
+      err = thread_resume (__task_server,
+			   * (L4_Word_t *) &thread->threadid,
+			   &env);
+      assert (! err);
+
+#ifndef WORKING_EXREGS
+      L4_AbortIpc_and_stop (thread->threadid);
+      L4_Start_SpIp (thread->threadid, (L4_Word_t) thread->mcontext.sp,
+		     (L4_Word_t) thread->mcontext.pc);
+#endif
+      send_startup_ipc (thread->threadid, (L4_Word_t) thread->mcontext.pc,
+			(L4_Word_t) thread->mcontext.sp);
+
+    }
+
+  return 0;
+}