1 files changed, 104 insertions, 0 deletions
diff --git a/rtc/main.c b/rtc/main.c
new file mode 100644
index 00000000..19bf73b9
--- /dev/null
+++ b/rtc/main.c
@@ -0,0 +1,104 @@
+/* A translator for accessing rtc
+
+   Copyright (C) 2024 Free Software Foundation, Inc.
+
+   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 General Public License as
+   published by the Free Software Foundation; either version 2, 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
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA. */
+
+#include <version.h>
+
+#include <error.h>
+#include <stdbool.h>
+#include <argp.h>
+#include <hurd/trivfs.h>
+#include <hurd/ports.h>
+#include <hurd/rtc.h>
+#include <sys/io.h>
+
+#include "rtc_pioctl_S.h"
+
+const char *argp_program_version = STANDARD_HURD_VERSION (rtc);
+
+static struct trivfs_control *rtccntl;
+
+int trivfs_fstype = FSTYPE_DEV;
+int trivfs_fsid = 0;
+int trivfs_support_read = 1;
+int trivfs_support_write = 0;
+int trivfs_support_exec = 0;
+int trivfs_allow_open = O_READ | O_WRITE;
+
+static const struct argp rtc_argp =
+{ NULL, NULL, NULL, "Real-Time Clock device" };
+
+static int
+demuxer (mach_msg_header_t *inp, mach_msg_header_t *outp)
+{
+  mig_routine_t routine;
+  if ((routine = rtc_pioctl_server_routine (inp)) ||
+      (routine = NULL, trivfs_demuxer (inp, outp)))
+    {
+      if (routine)
+        (*routine) (inp, outp);
+      return TRUE;
+    }
+  else
+    return FALSE;
+}
+
+int
+main (int argc, char **argv)
+{
+  error_t err;
+  mach_port_t bootstrap;
+
+  argp_parse (&rtc_argp, argc, argv, 0, 0, 0);
+
+  task_get_bootstrap_port (mach_task_self (), &bootstrap);
+  if (bootstrap == MACH_PORT_NULL)
+    error (1, 0, "Must be started as a translator");
+
+  /* Request for permission to do i/o on port numbers 0x70 and 0x71 for
+     accessing RTC registers.  Do this before replying to our parent, so
+     we don't end up saying "I'm ready!" and then immediately exit with
+     an error.  */
+  err = ioperm (0x70, 2, true);
+  if (err)
+    error (1, err, "Request IO permission failed");
+
+  /* Reply to our parent.  */
+  err = trivfs_startup (bootstrap, O_NORW, NULL, NULL, NULL, NULL, &rtccntl);
+  mach_port_deallocate (mach_task_self (), bootstrap);
+  if (err)
+    error (1, err, "trivfs_startup failed");
+
+  /* Launch.  */
+  ports_manage_port_operations_one_thread (rtccntl->pi.bucket, demuxer,
+					   2 * 60 * 1000);
+
+  return 0;
+}
+
+void
+trivfs_modify_stat (struct trivfs_protid *cred, struct stat *st)
+{
+}
+
+error_t
+trivfs_goaway (struct trivfs_control *fsys, int flags)
+{
+  exit (EXIT_SUCCESS);
+}