automake commit without merge history

grub-core/kern/sparc64/ieee1275/init.c

@@ -0,0 +1,173 @@
+/*  init.c -- Initialize GRUB on SPARC64.  */
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2009 Free Software Foundation, Inc.
+ *
+ *  GRUB 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.
+ *
+ *  GRUB 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 GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/kernel.h>
+#include <grub/mm.h>
+#include <grub/env.h>
+#include <grub/err.h>
+#include <grub/misc.h>
+#include <grub/time.h>
+#include <grub/machine/boot.h>
+#include <grub/machine/console.h>
+#include <grub/machine/kernel.h>
+#include <grub/machine/time.h>
+#include <grub/ieee1275/ofdisk.h>
+#include <grub/ieee1275/ieee1275.h>
+
+grub_addr_t grub_ieee1275_original_stack;
+
+void
+grub_exit (void)
+{
+  grub_ieee1275_exit ();
+}
+
+static grub_uint64_t
+ieee1275_get_time_ms (void)
+{
+  grub_uint32_t msecs = 0;
+
+  grub_ieee1275_milliseconds (&msecs);
+
+  return msecs;
+}
+
+grub_uint32_t
+grub_get_rtc (void)
+{
+  return ieee1275_get_time_ms ();
+}
+
+grub_addr_t
+grub_arch_modules_addr (void)
+{
+  extern char _end[];
+  return (grub_addr_t) _end;
+}
+
+void
+grub_machine_set_prefix (void)
+{
+  if (grub_prefix[0] != '(')
+    {
+      char bootpath[IEEE1275_MAX_PATH_LEN];
+      char *prefix, *path, *colon;
+      grub_ssize_t actual;
+
+      if (grub_ieee1275_get_property (grub_ieee1275_chosen, "bootpath",
+				      &bootpath, sizeof (bootpath), &actual))
+	{
+	  /* Should never happen.  */
+	  grub_printf ("/chosen/bootpath property missing!\n");
+	  grub_env_set ("prefix", "");
+	  return;
+	}
+
+      /* Transform an OF device path to a GRUB path.  */
+      colon = grub_strchr (bootpath, ':');
+      if (colon)
+	{
+	  char *part = colon + 1;
+
+	  /* Consistently provide numbered partitions to GRUB.
+	     OpenBOOT traditionally uses alphabetical partition
+	     specifiers.  */
+	  if (part[0] >= 'a' && part[0] <= 'z')
+	    part[0] = '1' + (part[0] - 'a');
+	}
+      prefix = grub_ieee1275_encode_devname (bootpath);
+
+      path = grub_xasprintf("%s%s", prefix, grub_prefix);
+
+      grub_strcpy (grub_prefix, path);
+
+      grub_free (path);
+      grub_free (prefix);
+    }
+
+  grub_env_set ("prefix", grub_prefix);
+}
+
+static void
+grub_heap_init (void)
+{
+  grub_mm_init_region ((void *) (grub_modules_get_end ()
+				 + GRUB_KERNEL_MACHINE_STACK_SIZE), 0x200000);
+}
+
+static void
+grub_parse_cmdline (void)
+{
+  grub_ssize_t actual;
+  char args[256];
+
+  if (grub_ieee1275_get_property (grub_ieee1275_chosen, "bootargs", &args,
+				  sizeof args, &actual) == 0
+      && actual > 1)
+    {
+      int i = 0;
+
+      while (i < actual)
+	{
+	  char *command = &args[i];
+	  char *end;
+	  char *val;
+
+	  end = grub_strchr (command, ';');
+	  if (end == 0)
+	    i = actual; /* No more commands after this one.  */
+	  else
+	    {
+	      *end = '\0';
+	      i += end - command + 1;
+	      while (grub_isspace(args[i]))
+		i++;
+	    }
+
+	  /* Process command.  */
+	  val = grub_strchr (command, '=');
+	  if (val)
+	    {
+	      *val = '\0';
+	      grub_env_set (command, val + 1);
+	    }
+	}
+    }
+}
+
+void
+grub_machine_init (void)
+{
+  grub_ieee1275_init ();
+  grub_console_init ();
+  grub_heap_init ();
+
+  grub_ieee1275_set_flag (GRUB_IEEE1275_FLAG_NO_PARTITION_0);
+  grub_ofdisk_init ();
+
+  grub_parse_cmdline ();
+  grub_install_get_time_ms (ieee1275_get_time_ms);
+}
+
+void
+grub_machine_fini (void)
+{
+  grub_ofdisk_fini ();
+  grub_console_fini ();
+}