Add sleep and time support.

4 files changed, 53 insertions, 0 deletions

diff --git a/libviengoos/headers.m4 b/libviengoos/headers.m4
index d3f7772..0d62b5d 100644
--- a/libviengoos/headers.m4
+++ b/libviengoos/headers.m4
@@ -29,5 +29,6 @@ AC_CONFIG_LINKS([
 
   sysroot/include/viengoos/bits/ipc.h:libviengoos/viengoos/${arch}/ipc.h
   sysroot/include/viengoos/bits/debugger.h:libviengoos/viengoos/${arch}/debugger.h
+  sysroot/include/viengoos/bits/sys.h:libviengoos/viengoos/${arch}/sys.h
 ])
 
diff --git a/libviengoos/viengoos.h b/libviengoos/viengoos.h
index 01c18bc..9897029 100644
--- a/libviengoos/viengoos.h
+++ b/libviengoos/viengoos.h
@@ -33,5 +33,6 @@
 #include <viengoos/messenger.h>
 #include <viengoos/misc.h>
 #include <viengoos/thread.h>
+#include <viengoos/bits/sys.h>
 
 #endif
diff --git a/libviengoos/viengoos/misc.h b/libviengoos/viengoos/misc.h
index 8f67606..0c76cbd 100644
--- a/libviengoos/viengoos/misc.h
+++ b/libviengoos/viengoos/misc.h
@@ -38,6 +38,7 @@ enum rm_method_id
     VG_read,
     VG_as_dump,
     VG_fault,
+    VG_sleep,
   };
 
 static inline const char *
@@ -53,6 +54,8 @@ vg_method_id_string (int id)
       return "as_dump";
     case VG_fault:
       return "fault";
+    case VG_sleep:
+      return "sleep";
     case VG_folio_alloc:
       return "folio_alloc";
     case VG_folio_free:
@@ -131,6 +134,9 @@ RPC(fault, 2, 1, 0,
     /* Out: */
     int, ocount)
 
+/* Wait NANO_SECONDS before replying.  */
+RPC(sleep, 1, 0, 0, uint64_t, nano_seconds)
+
 #undef RPC_STUB_PREFIX
 #undef RPC_ID_PREFIX
 
diff --git a/libviengoos/viengoos/x86_64/sys.h b/libviengoos/viengoos/x86_64/sys.h
new file mode 100644
index 0000000..e7ed4a9
--- /dev/null
+++ b/libviengoos/viengoos/x86_64/sys.h
@@ -0,0 +1,45 @@
+/* bits/sys.h - System definitions, x86-64 version.
+   Copyright (C) 2009 Free Software Foundation, Inc.
+   Written by Neal H. Walfield <neal@gnu.org>.
+
+   This file is part of the GNU Hurd.
+
+   GNU Hurd is free software: you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   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
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with GNU Hurd.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _VIENGOOS_BITS_SYS_H
+#define _VIENGOOS_BITS_SYS_H 1
+
+/* The number of ticks since boot (updated by the architecture
+   dependency code).  */
+struct vg_time
+{
+  union
+  {
+    struct
+    {
+      /* The number of nanoseconds since boot.  */
+      uint64_t ns_since_boot;
+      /* The clocks frequency in Hz.  */
+      uint64_t frequency;
+    };
+    char raw[PAGESIZE];
+  };
+};
+
+/* The location of the time page.  */
+#define VG_TIME \
+  ((volatile struct vg_time *) ((UINT64_C (1) << 47) - PAGESIZE))
+
+#endif