Adding upstream version 2.06.upstream/2.06upstream

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

1 files changed, 152 insertions, 0 deletions

diff --git a/grub-core/lib/xzembed/xz_config.h b/grub-core/lib/xzembed/xz_config.h
new file mode 100644
index 0000000..24d570f
--- /dev/null
+++ b/grub-core/lib/xzembed/xz_config.h
@@ -0,0 +1,152 @@
+/* xz_config.h - Private includes and definitions for userspace use */
+/*
+ *  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/>.
+ */
+/*
+ * This file is based on code from XZ embedded project
+ * http://tukaani.org/xz/embedded.html
+ */
+
+#ifndef XZ_CONFIG_H
+#define XZ_CONFIG_H
+
+/* Enable BCJ filter decoders. */
+
+#ifndef GRUB_EMBED_DECOMPRESSOR
+
+#define XZ_DEC_X86
+#define XZ_DEC_POWERPC
+#define XZ_DEC_IA64
+#define XZ_DEC_ARM
+#define XZ_DEC_ARMTHUMB
+#define XZ_DEC_SPARC
+
+#else
+
+#if defined(__i386__) || defined(__x86_64__)
+  #define XZ_DEC_X86
+#endif
+
+#ifdef __powerpc__
+  #define XZ_DEC_POWERPC
+#endif
+
+#ifdef __ia64__
+  #define XZ_DEC_IA64
+#endif
+
+#ifdef __arm__
+  #define XZ_DEC_ARM
+#endif
+
+#ifdef __arm__
+  #define XZ_DEC_ARMTHUMB
+#endif
+
+#ifdef __sparc__
+  #define XZ_DEC_SPARC
+#endif
+#endif
+
+#include "xz.h"
+#include <stdlib.h>
+
+#define kmalloc(size, flags) malloc(size)
+#define kfree(ptr) free(ptr)
+#define vmalloc(size) malloc(size)
+#define vfree(ptr) free(ptr)
+
+#define memeq(a, b, size) (memcmp(a, b, size) == 0)
+#define memzero(buf, size) memset(buf, 0, size)
+
+#define min(x, y) ((x) < (y) ? (x) : (y))
+#define min_t(type, x, y) min(x, y)
+
+/*
+ * Some functions have been marked with __always_inline to keep the
+ * performance reasonable even when the compiler is optimizing for
+ * small code size. You may be able to save a few bytes by #defining
+ * __always_inline to plain inline, but don't complain if the code
+ * becomes slow.
+ *
+ * NOTE: System headers on GNU/Linux may #define this macro already,
+ * so if you want to change it, it you need to #undef it first.
+ */
+#ifndef __always_inline
+#	ifdef __GNUC__
+#		define __always_inline \
+			inline __attribute__((__always_inline__))
+#	else
+#		define __always_inline inline
+#	endif
+#endif
+
+/*
+ * Some functions are marked to never be inlined to reduce stack usage.
+ * If you don't care about stack usage, you may want to modify this so
+ * that noinline_for_stack is #defined to be empty even when using GCC.
+ * Doing so may save a few bytes in binary size.
+ */
+#ifndef noinline_for_stack
+#	ifdef __GNUC__
+#		define noinline_for_stack __attribute__((__noinline__))
+#	else
+#		define noinline_for_stack
+#	endif
+#endif
+
+/* Inline functions to access unaligned unsigned 32-bit integers */
+static inline uint32_t get_unaligned_le32(const uint8_t *buf)
+{
+	return (uint32_t)buf[0]
+			| ((uint32_t)buf[1] << 8)
+			| ((uint32_t)buf[2] << 16)
+			| ((uint32_t)buf[3] << 24);
+}
+
+static inline uint32_t get_unaligned_be32(const uint8_t *buf)
+{
+	return (uint32_t)(buf[0] << 24)
+			| ((uint32_t)buf[1] << 16)
+			| ((uint32_t)buf[2] << 8)
+			| (uint32_t)buf[3];
+}
+
+static inline void put_unaligned_le32(uint32_t val, uint8_t *buf)
+{
+	buf[0] = (uint8_t)val;
+	buf[1] = (uint8_t)(val >> 8);
+	buf[2] = (uint8_t)(val >> 16);
+	buf[3] = (uint8_t)(val >> 24);
+}
+
+static inline void put_unaligned_be32(uint32_t val, uint8_t *buf)
+{
+	buf[0] = (uint8_t)(val >> 24);
+	buf[1] = (uint8_t)(val >> 16);
+	buf[2] = (uint8_t)(val >> 8);
+	buf[3] = (uint8_t)val;
+}
+
+/*
+ * Use get_unaligned_le32() also for aligned access for simplicity. On
+ * little endian systems, #define get_le32(ptr) (*(const uint32_t *)(ptr))
+ * could save a few bytes in code size.
+ */
+#define get_le32 get_unaligned_le32
+
+#endif