Adding upstream version 2.06.upstream/2.06upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

5 files changed, 407 insertions, 0 deletions

diff --git a/grub-core/lib/ieee1275/cmos.c b/grub-core/lib/ieee1275/cmos.c
new file mode 100644
index 0000000..328d70a
--- /dev/null
+++ b/grub-core/lib/ieee1275/cmos.c
@@ -0,0 +1,77 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2011  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/datetime.h>
+#include <grub/cmos.h>
+#include <grub/dl.h>
+#include <grub/ieee1275/ieee1275.h>
+#include <grub/misc.h>
+
+volatile grub_uint8_t *grub_cmos_port = 0;
+
+/* Helper for grub_cmos_find_port.  */
+static int
+grub_cmos_find_port_iter (struct grub_ieee1275_devalias *alias)
+{
+  grub_ieee1275_phandle_t dev;
+  grub_uint32_t addr[2];
+  grub_ssize_t actual;
+  /* Enough to check if it's "m5819" */
+  char compat[100];
+  if (grub_ieee1275_finddevice (alias->path, &dev))
+    return 0;
+  if (grub_ieee1275_get_property (dev, "compatible", compat, sizeof (compat),
+				  0))
+    return 0;
+  if (grub_strcmp (compat, "m5819") != 0)
+    return 0;
+  if (grub_ieee1275_get_integer_property (dev, "address",
+					  addr, sizeof (addr), &actual))
+    return 0;
+  if (actual == 4)
+    {
+      grub_cmos_port = (volatile grub_uint8_t *) (grub_addr_t) addr[0];
+      return 1;
+    }
+
+#if GRUB_CPU_SIZEOF_VOID_P == 8
+  if (actual == 8)
+    {
+      grub_cmos_port = (volatile grub_uint8_t *) 
+	((((grub_addr_t) addr[0]) << 32) | addr[1]);
+      return 1;
+    }
+#else
+  if (actual == 8 && addr[0] == 0)
+    {
+      grub_cmos_port = (volatile grub_uint8_t *) addr[1];
+      return 1;
+    }
+#endif
+  return 0;
+}
+
+grub_err_t
+grub_cmos_find_port (void)
+{
+  grub_ieee1275_devices_iterate (grub_cmos_find_port_iter);
+  if (!grub_cmos_port)
+    return grub_error (GRUB_ERR_IO, "no cmos found");
+  
+  return GRUB_ERR_NONE;
+}
diff --git a/grub-core/lib/ieee1275/datetime.c b/grub-core/lib/ieee1275/datetime.c
new file mode 100644
index 0000000..b81fba2
--- /dev/null
+++ b/grub-core/lib/ieee1275/datetime.c
@@ -0,0 +1,156 @@
+/* kern/cmos_datetime.c - CMOS datetime function.
+ *
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2008,2009  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/datetime.h>
+#include <grub/ieee1275/ieee1275.h>
+#include <grub/misc.h>
+#include <grub/dl.h>
+#if defined (__powerpc__) || defined (__sparc__)
+#include <grub/cmos.h>
+#endif
+
+GRUB_MOD_LICENSE ("GPLv3+");
+
+static char *rtc = 0;
+static int no_ieee1275_rtc = 0;
+
+/* Helper for find_rtc.  */
+static int
+find_rtc_iter (struct grub_ieee1275_devalias *alias)
+{
+  if (grub_strcmp (alias->type, "rtc") == 0)
+    {
+      grub_dprintf ("datetime", "Found RTC %s\n", alias->path);
+      rtc = grub_strdup (alias->path);
+      return 1;
+    }
+  return 0;
+}
+
+static void
+find_rtc (void)
+{
+  grub_ieee1275_devices_iterate (find_rtc_iter);
+  if (!rtc)
+    no_ieee1275_rtc = 1;
+}
+
+grub_err_t
+grub_get_datetime (struct grub_datetime *datetime)
+{
+  struct get_time_args
+  {
+    struct grub_ieee1275_common_hdr common;
+    grub_ieee1275_cell_t method;
+    grub_ieee1275_cell_t device;
+    grub_ieee1275_cell_t catch_result;
+    grub_ieee1275_cell_t year;
+    grub_ieee1275_cell_t month;
+    grub_ieee1275_cell_t day;
+    grub_ieee1275_cell_t hour;
+    grub_ieee1275_cell_t minute;
+    grub_ieee1275_cell_t second;
+  }
+  args;
+  int status;
+  grub_ieee1275_ihandle_t ihandle;
+
+  if (no_ieee1275_rtc)
+    return grub_get_datetime_cmos (datetime);
+  if (!rtc)
+    find_rtc ();
+  if (!rtc)
+    return grub_get_datetime_cmos (datetime);
+
+  status = grub_ieee1275_open (rtc, &ihandle);
+  if (status == -1)
+    return grub_error (GRUB_ERR_IO, "couldn't open RTC");
+
+  INIT_IEEE1275_COMMON (&args.common, "call-method", 2, 7);
+  args.device = (grub_ieee1275_cell_t) ihandle;
+  args.method = (grub_ieee1275_cell_t) "get-time";
+
+  status = IEEE1275_CALL_ENTRY_FN (&args);
+
+  grub_ieee1275_close (ihandle);
+
+  if (status == -1 || args.catch_result)
+    return grub_error (GRUB_ERR_IO, "get-time failed");
+
+  datetime->year = args.year;
+  datetime->month = args.month;
+  datetime->day = args.day + 1;
+  datetime->hour = args.hour;
+  datetime->minute = args.minute;
+  datetime->second = args.second;
+
+  return GRUB_ERR_NONE;
+}
+
+grub_err_t
+grub_set_datetime (struct grub_datetime *datetime)
+{
+  struct set_time_args
+  {
+    struct grub_ieee1275_common_hdr common;
+    grub_ieee1275_cell_t method;
+    grub_ieee1275_cell_t device;
+    grub_ieee1275_cell_t year;
+    grub_ieee1275_cell_t month;
+    grub_ieee1275_cell_t day;
+    grub_ieee1275_cell_t hour;
+    grub_ieee1275_cell_t minute;
+    grub_ieee1275_cell_t second;
+    grub_ieee1275_cell_t catch_result;
+  }
+  args;
+  int status;
+  grub_ieee1275_ihandle_t ihandle;
+
+  if (no_ieee1275_rtc)
+    return grub_set_datetime_cmos (datetime);
+  if (!rtc)
+    find_rtc ();
+  if (!rtc)
+    return grub_set_datetime_cmos (datetime);
+
+  status = grub_ieee1275_open (rtc, &ihandle);
+  if (status == -1)
+    return grub_error (GRUB_ERR_IO, "couldn't open RTC");
+
+  INIT_IEEE1275_COMMON (&args.common, "call-method", 8, 1);
+  args.device = (grub_ieee1275_cell_t) ihandle;
+  args.method = (grub_ieee1275_cell_t) "set-time";
+
+  args.year = datetime->year;
+  args.month = datetime->month;
+  args.day = datetime->day - 1;
+  args.hour = datetime->hour;
+  args.minute = datetime->minute;
+  args.second = datetime->second;
+
+  status = IEEE1275_CALL_ENTRY_FN (&args);
+
+  grub_ieee1275_close (ihandle);
+
+  if (status == -1 || args.catch_result)
+    return grub_error (GRUB_ERR_IO, "set-time failed");
+
+  return GRUB_ERR_NONE;
+}
diff --git a/grub-core/lib/ieee1275/halt.c b/grub-core/lib/ieee1275/halt.c
new file mode 100644
index 0000000..8fc16d2
--- /dev/null
+++ b/grub-core/lib/ieee1275/halt.c
@@ -0,0 +1,33 @@
+/*  openfw.c -- Open firmware support functions.  */
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2003,2004,2005,2007,2008,2009 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/ieee1275/ieee1275.h>
+#include <grub/misc.h>
+
+void
+grub_halt (void)
+{
+  /* Not standardized.  We try three known commands.  */
+
+  grub_ieee1275_interpret ("power-off", 0);
+  grub_ieee1275_interpret ("shut-down", 0);
+  grub_ieee1275_interpret ("poweroff", 0);
+
+  while (1);
+}
diff --git a/grub-core/lib/ieee1275/reboot.c b/grub-core/lib/ieee1275/reboot.c
new file mode 100644
index 0000000..91c8779
--- /dev/null
+++ b/grub-core/lib/ieee1275/reboot.c
@@ -0,0 +1,27 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2011  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/ieee1275/ieee1275.h>
+#include <grub/misc.h>
+
+void
+grub_reboot (void)
+{
+  grub_ieee1275_interpret ("reset-all", 0);
+  for (;;) ;
+}
diff --git a/grub-core/lib/ieee1275/relocator.c b/grub-core/lib/ieee1275/relocator.c
new file mode 100644
index 0000000..c6dd8fa
--- /dev/null
+++ b/grub-core/lib/ieee1275/relocator.c
@@ -0,0 +1,114 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2010  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/relocator.h>
+#include <grub/relocator_private.h>
+#include <grub/memory.h>
+#include <grub/ieee1275/ieee1275.h>
+
+/* Helper for grub_relocator_firmware_get_max_events.  */
+static int
+count (grub_uint64_t addr __attribute__ ((unused)),
+       grub_uint64_t len __attribute__ ((unused)),
+       grub_memory_type_t type __attribute__ ((unused)), void *data)
+{
+  int *counter = data;
+
+  (*counter)++;
+  return 0;
+}
+
+unsigned 
+grub_relocator_firmware_get_max_events (void)
+{
+  int counter = 0;
+
+  if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_FORCE_CLAIM))
+    return 0;
+  grub_machine_mmap_iterate (count, &counter);
+  return 2 * counter;
+}
+
+/* Context for grub_relocator_firmware_fill_events.  */
+struct grub_relocator_firmware_fill_events_ctx
+{
+  struct grub_relocator_mmap_event *events;
+  int counter;
+};
+
+/* Helper for grub_relocator_firmware_fill_events.  */
+static int
+grub_relocator_firmware_fill_events_iter (grub_uint64_t addr,
+					  grub_uint64_t len,
+					  grub_memory_type_t type, void *data)
+{
+  struct grub_relocator_firmware_fill_events_ctx *ctx = data;
+
+  if (type != GRUB_MEMORY_AVAILABLE)
+    return 0;
+
+  if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_NO_PRE1_5M_CLAIM))
+    {
+      if (addr + len <= 0x180000)
+	return 0;
+
+      if (addr < 0x180000)
+	{
+	  len = addr + len - 0x180000;
+	  addr = 0x180000;
+	}
+    }
+
+  ctx->events[ctx->counter].type = REG_FIRMWARE_START;
+  ctx->events[ctx->counter].pos = addr;
+  ctx->counter++;
+  ctx->events[ctx->counter].type = REG_FIRMWARE_END;
+  ctx->events[ctx->counter].pos = addr + len;
+  ctx->counter++;
+
+  return 0;
+}
+
+unsigned 
+grub_relocator_firmware_fill_events (struct grub_relocator_mmap_event *events)
+{
+  struct grub_relocator_firmware_fill_events_ctx ctx = {
+    .events = events,
+    .counter = 0
+  };
+
+  if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_FORCE_CLAIM))
+    return 0;
+  grub_machine_mmap_iterate (grub_relocator_firmware_fill_events_iter, &ctx);
+  return ctx.counter;
+}
+
+int
+grub_relocator_firmware_alloc_region (grub_addr_t start, grub_size_t size)
+{
+  grub_err_t err;
+  err = grub_claimmap (start, size);
+  grub_errno = 0;
+  return (err == 0);
+}
+
+void
+grub_relocator_firmware_free_region (grub_addr_t start, grub_size_t size)
+{
+  grub_ieee1275_release (start, size);
+}