2007-11-16 Neal H. Walfield <neal@gnu.org>

	* viengoos/Makefile.am: New file based on ../wortel/Makefile.am.
	* viengoos/headers.m4: New file.
	* viengoos/config.m4: New file based on ../wortel/config.m4.

	* viengoos/viengoos.h: New file.
	* viengoos/viengoos.c: New file.
	* viengoos/activity.h: Likewise.
	* viengoos/activity.c: Likewise.
	* viengoos/as.h: Likewise.
	* viengoos/as.c: Likewise.
	* viengoos/cap-lookup.c: Likewise.
	* viengoos/cap.h: Likewise.
	* viengoos/cap.c: Likewise.
	* viengoos/thread.h: New file.
	* viengoos/thread.c: New file.
	* viengoos/object.h: New file.
	* viengoos/object.c: New file.
	* viengoos/rm.h: New file.
	* viengoos/server.c: New file.
	* viengoos/server.h: New file.

	* viengoos/zalloc.h: Copied from ../physmem.
	* viengoos/zalloc.c: Copied from ../physmem.
	Don't include "output.h".
	Include <hurd/stddef.h>.
	Change uses of min_page_size to PAGESIZE.
	* viengoos/memory.h: New file.
	* viengoos/memory.c: New file.
	* viengoos/sigma0.c: Copy from ../wortel.
	* viengoos/sigma0.h: Copy from ../wortel.
	Don't include "shutdown.h".
	Include <hurd/stddef.h>.

	* viengoos/bits.h: Likewise.

	* viengoos/panic.c: New file.
	* viengoos/debug.c: Likewise.
	* viengoos/debug.h: Likewise.

	* viengoos/boot-modules.h: Likewise.
	* viengoos/boot-modules.c: Likewise.
	* viengoos/elf.h: Copied from ../wortel.
	* viengoos/loader.c: New file based on ../wortel/loader.c.
	* viengoos/loader.h: New file.
	* viengoos/multiboot.h: Copied from Grub.

	* viengoos/mmap.c: New file based on ../physmem/mmap.c.
	* viengoos/malloc-wrap.c: New file based on ../physmem/malloc-wrap.c.
	* viengoos/malloc.c: Version 2.8.3 of Doug Lea's malloc.c.
	* viengoos/malloc.h: Version 2.8.3 of Doug Lea's malloc.h.

	* viengoos/ia32-cmain.c: New file based on ../wortel/ia32-cmain.c.
	* viengoos/ia32-crt0.S: Copied from ../wortel.
	(STACK_SIZE): Use a 16 page stack.
	* viengoos/ia32-output.c: Copied from ../wortel.
	* viengoos/ia32-shutdown.c: Likewise.

	* viengoos/output.h: New file based on ../wortel/output.h.
	Include <stdarg.h>.
	(cprintf): New definition.
	(output_debug): Don't define.
	(debug): Don't define.
	* viengoos/output.c: New file based on ../wortel/output.c.
	Don't include <stdlib.h>.
	(vprintf): New function.
	(printf): Implement in terms of vprintf.
	* viengoos/output-none.c: Copied from ../wortel.
	* viengoos/output-serial.c: Likewise.
	* viengoos/output-stdio.c: New file.
	* viengoos/output-vga.c: Copied from ../wortel.

	* viengoos/shutdown.h: New file based on ../wortel/shutdown.h.
	Don't include "output.h".
	(panic): Don't define.
	(shutdown): Rename from this...
	(shutdown_machine): ... to this.
	* viengoos/shutdown.c: New file based on ../wortel/shutdown.c.
	(reset) [_L4_TEST_ENVIRONMENT]: Call abort.
	(halt) [_L4_TEST_ENVIRONMENT]: Call abort.
	(shutdown): Rename from this...
	(shutdown_machine): ... to this.

	* viengoos/t-environment.h: New file based on
	../libl4/tests/environment.h.
	Protect from multiple inclusion.
	Include <hurd/stddef.h>.
	Include <string.h>.
	Include <l4/stubs.h>.
	(program_name): New declaration.
	(check_nr): Don't assume that val1 and val2 are _L4_word_t, use
	typeof instead.
	(main): Call output_init.
	* viengoos/t-as.c: New file.

1 files changed, 87 insertions, 0 deletions

diff --git a/viengoos/bits.h b/viengoos/bits.h
new file mode 100644
index 0000000..22823e3
--- /dev/null
+++ b/viengoos/bits.h
@@ -0,0 +1,87 @@
+/* bits.h - Bit manipulation functions.
+   Copyright (C) 2007 Free Software Foundation, Inc.
+   Written by Neal H. Walfield <neal@gnu.org>.
+
+   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 3 of the
+   License, 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef RM_BITS_H
+#define RM_BITS_H
+
+#include <stdint.h>
+#include <assert.h>
+
+/* Return the C bits of word W starting a bit S.  (The LSB is 0 and
+   the MSB is L4_WORDSIZE.)  */
+static inline unsigned int
+extract_bits (unsigned int w, int s, int c)
+{
+  assert (0 <= s && s < (sizeof (unsigned int) * 8));
+  assert (0 <= c && s + c <= (sizeof (unsigned int) * 8));
+
+  if (c == (sizeof (unsigned int) * 8))
+    /* 1U << (sizeof (unsigned int) * 8) is problematic: "If the value of
+       the right operand is negative or is greater than or equal to
+       the width of the promoted left operand, the behavior is
+       undefined."  */
+    {
+      assert (s == 0);
+      return w;
+    }
+  else
+    return (w >> s) & ((1ULL << c) - 1);
+}
+
+static inline uint64_t
+extract_bits64 (uint64_t w, int s, int c)
+{
+  assert (0 <= s && s < (sizeof (uint64_t) * 8));
+  assert (0 <= c && s + c <= (sizeof (uint64_t) * 8));
+
+  if (c == (sizeof (uint64_t) * 8))
+    {
+      assert (s == 0);
+      return w;
+    }
+  else
+    return (w >> s) & ((1ULL << c) - 1);
+}
+
+/* Return the C bits of word W ending at bit E.  (The LSB is 0 and the
+   MSB is (sizeof (unsigned int) * 8).)  */
+static inline unsigned int
+extract_bits_inv (unsigned int w, int e, int c)
+{
+  /* We special case this check here to allow extract_bits_inv (w, 31,
+     0).  */
+  if (c == 0)
+    return 0;
+
+  return extract_bits (w, e - c + 1, c);
+}
+
+static inline uint64_t
+extract_bits64_inv (uint64_t w, int e, int c)
+{
+  /* We special case this check here to allow extract_bits64_inv (w, 63,
+     0).  */
+  if (c == 0)
+    return 0;
+
+  return extract_bits64 (w, e - c + 1, c);
+}
+
+#endif