34 files changed, 251 insertions, 0 deletions

diff --git a/arch/microblaze/boot/linked_dtb.S b/arch/microblaze/boot/linked_dtb.S
new file mode 100644
index 00000000000..cb2b537aebe
--- /dev/null
+++ b/arch/microblaze/boot/linked_dtb.S
@@ -0,0 +1,3 @@
+.section __fdt_blob,"a"
+.incbin "arch/microblaze/boot/system.dtb"
+
diff --git a/arch/microblaze/include/asm/auxvec.h b/arch/microblaze/include/asm/auxvec.h
new file mode 100644
index 00000000000..8b137891791
--- /dev/null
+++ b/arch/microblaze/include/asm/auxvec.h
@@ -0,0 +1 @@
+
diff --git a/arch/microblaze/include/asm/bitsperlong.h b/arch/microblaze/include/asm/bitsperlong.h
new file mode 100644
index 00000000000..6dc0bb0c13b
--- /dev/null
+++ b/arch/microblaze/include/asm/bitsperlong.h
@@ -0,0 +1 @@
+#include <asm-generic/bitsperlong.h>
diff --git a/arch/microblaze/include/asm/byteorder.h b/arch/microblaze/include/asm/byteorder.h
new file mode 100644
index 00000000000..31902762a42
--- /dev/null
+++ b/arch/microblaze/include/asm/byteorder.h
@@ -0,0 +1,10 @@
+#ifndef _ASM_MICROBLAZE_BYTEORDER_H
+#define _ASM_MICROBLAZE_BYTEORDER_H
+
+#ifdef __MICROBLAZEEL__
+#include <linux/byteorder/little_endian.h>
+#else
+#include <linux/byteorder/big_endian.h>
+#endif
+
+#endif /* _ASM_MICROBLAZE_BYTEORDER_H */
diff --git a/arch/microblaze/include/asm/clinkage.h b/arch/microblaze/include/asm/clinkage.h
new file mode 100644
index 00000000000..9e218435a55
--- /dev/null
+++ b/arch/microblaze/include/asm/clinkage.h
@@ -0,0 +1 @@
+#include <linux/linkage.h>
diff --git a/arch/microblaze/include/asm/errno.h b/arch/microblaze/include/asm/errno.h
new file mode 100644
index 00000000000..4c82b503d92
--- /dev/null
+++ b/arch/microblaze/include/asm/errno.h
@@ -0,0 +1 @@
+#include <asm-generic/errno.h>
diff --git a/arch/microblaze/include/asm/fcntl.h b/arch/microblaze/include/asm/fcntl.h
new file mode 100644
index 00000000000..46ab12db573
--- /dev/null
+++ b/arch/microblaze/include/asm/fcntl.h
@@ -0,0 +1 @@
+#include <asm-generic/fcntl.h>
diff --git a/arch/microblaze/include/asm/ioctl.h b/arch/microblaze/include/asm/ioctl.h
new file mode 100644
index 00000000000..b279fe06dfe
--- /dev/null
+++ b/arch/microblaze/include/asm/ioctl.h
@@ -0,0 +1 @@
+#include <asm-generic/ioctl.h>
diff --git a/arch/microblaze/include/asm/ioctls.h b/arch/microblaze/include/asm/ioctls.h
new file mode 100644
index 00000000000..ec34c760665
--- /dev/null
+++ b/arch/microblaze/include/asm/ioctls.h
@@ -0,0 +1 @@
+#include <asm-generic/ioctls.h>
diff --git a/arch/microblaze/include/asm/ipcbuf.h b/arch/microblaze/include/asm/ipcbuf.h
new file mode 100644
index 00000000000..84c7e51cb6d
--- /dev/null
+++ b/arch/microblaze/include/asm/ipcbuf.h
@@ -0,0 +1 @@
+#include <asm-generic/ipcbuf.h>
diff --git a/arch/microblaze/include/asm/memblock.h b/arch/microblaze/include/asm/memblock.h
new file mode 100644
index 00000000000..20a8e257c77
--- /dev/null
+++ b/arch/microblaze/include/asm/memblock.h
@@ -0,0 +1,14 @@
+/*
+ * Copyright (C) 2008 Michal Simek <monstr@monstr.eu>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#ifndef _ASM_MICROBLAZE_MEMBLOCK_H
+#define _ASM_MICROBLAZE_MEMBLOCK_H
+
+#endif /* _ASM_MICROBLAZE_MEMBLOCK_H */
+
+
diff --git a/arch/microblaze/include/asm/mman.h b/arch/microblaze/include/asm/mman.h
new file mode 100644
index 00000000000..8eebf89f5ab
--- /dev/null
+++ b/arch/microblaze/include/asm/mman.h
@@ -0,0 +1 @@
+#include <asm-generic/mman.h>
diff --git a/arch/microblaze/include/asm/msgbuf.h b/arch/microblaze/include/asm/msgbuf.h
new file mode 100644
index 00000000000..809134c644a
--- /dev/null
+++ b/arch/microblaze/include/asm/msgbuf.h
@@ -0,0 +1 @@
+#include <asm-generic/msgbuf.h>
diff --git a/arch/microblaze/include/asm/namei.h b/arch/microblaze/include/asm/namei.h
new file mode 100644
index 00000000000..61d60b8a07d
--- /dev/null
+++ b/arch/microblaze/include/asm/namei.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2006 Atmark Techno, Inc.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#ifndef _ASM_MICROBLAZE_NAMEI_H
+#define _ASM_MICROBLAZE_NAMEI_H
+
+#ifdef __KERNEL__
+
+/* This dummy routine maybe changed to something useful
+ * for /usr/gnemul/ emulation stuff.
+ * Look at asm-sparc/namei.h for details.
+ */
+#define __emul_prefix() NULL
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_MICROBLAZE_NAMEI_H */
diff --git a/arch/microblaze/include/asm/param.h b/arch/microblaze/include/asm/param.h
new file mode 100644
index 00000000000..965d4542797
--- /dev/null
+++ b/arch/microblaze/include/asm/param.h
@@ -0,0 +1 @@
+#include <asm-generic/param.h>
diff --git a/arch/microblaze/include/asm/poll.h b/arch/microblaze/include/asm/poll.h
new file mode 100644
index 00000000000..c98509d3149
--- /dev/null
+++ b/arch/microblaze/include/asm/poll.h
@@ -0,0 +1 @@
+#include <asm-generic/poll.h>
diff --git a/arch/microblaze/include/asm/posix_types.h b/arch/microblaze/include/asm/posix_types.h
new file mode 100644
index 00000000000..0e15039673e
--- /dev/null
+++ b/arch/microblaze/include/asm/posix_types.h
@@ -0,0 +1,9 @@
+#ifndef _ASM_MICROBLAZE_POSIX_TYPES_H
+#define _ASM_MICROBLAZE_POSIX_TYPES_H
+
+typedef unsigned short  __kernel_mode_t;
+#define __kernel_mode_t __kernel_mode_t
+
+#include <asm-generic/posix_types.h>
+
+#endif /* _ASM_MICROBLAZE_POSIX_TYPES_H */
diff --git a/arch/microblaze/include/asm/resource.h b/arch/microblaze/include/asm/resource.h
new file mode 100644
index 00000000000..04bc4db8921
--- /dev/null
+++ b/arch/microblaze/include/asm/resource.h
@@ -0,0 +1 @@
+#include <asm-generic/resource.h>
diff --git a/arch/microblaze/include/asm/sembuf.h b/arch/microblaze/include/asm/sembuf.h
new file mode 100644
index 00000000000..7673b83cfef
--- /dev/null
+++ b/arch/microblaze/include/asm/sembuf.h
@@ -0,0 +1 @@
+#include <asm-generic/sembuf.h>
diff --git a/arch/microblaze/include/asm/shmbuf.h b/arch/microblaze/include/asm/shmbuf.h
new file mode 100644
index 00000000000..83c05fc2de3
--- /dev/null
+++ b/arch/microblaze/include/asm/shmbuf.h
@@ -0,0 +1 @@
+#include <asm-generic/shmbuf.h>
diff --git a/arch/microblaze/include/asm/sigcontext.h b/arch/microblaze/include/asm/sigcontext.h
new file mode 100644
index 00000000000..55873c80c91
--- /dev/null
+++ b/arch/microblaze/include/asm/sigcontext.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) 2006 Atmark Techno, Inc.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#ifndef _ASM_MICROBLAZE_SIGCONTEXT_H
+#define _ASM_MICROBLAZE_SIGCONTEXT_H
+
+/* FIXME should be linux/ptrace.h */
+#include <asm/ptrace.h>
+
+struct sigcontext {
+        struct pt_regs regs;
+        unsigned long oldmask;
+};
+
+#endif /* _ASM_MICROBLAZE_SIGCONTEXT_H */
diff --git a/arch/microblaze/include/asm/siginfo.h b/arch/microblaze/include/asm/siginfo.h
new file mode 100644
index 00000000000..0815d29d82e
--- /dev/null
+++ b/arch/microblaze/include/asm/siginfo.h
@@ -0,0 +1 @@
+#include <asm-generic/siginfo.h>
diff --git a/arch/microblaze/include/asm/signal.h b/arch/microblaze/include/asm/signal.h
new file mode 100644
index 00000000000..7b1573ce19d
--- /dev/null
+++ b/arch/microblaze/include/asm/signal.h
@@ -0,0 +1 @@
+#include <asm-generic/signal.h>
diff --git a/arch/microblaze/include/asm/socket.h b/arch/microblaze/include/asm/socket.h
new file mode 100644
index 00000000000..6b71384b9d8
--- /dev/null
+++ b/arch/microblaze/include/asm/socket.h
@@ -0,0 +1 @@
+#include <asm-generic/socket.h>
diff --git a/arch/microblaze/include/asm/sockios.h b/arch/microblaze/include/asm/sockios.h
new file mode 100644
index 00000000000..def6d4746ee
--- /dev/null
+++ b/arch/microblaze/include/asm/sockios.h
@@ -0,0 +1 @@
+#include <asm-generic/sockios.h>
diff --git a/arch/microblaze/include/asm/stat.h b/arch/microblaze/include/asm/stat.h
new file mode 100644
index 00000000000..3dc90fa92c7
--- /dev/null
+++ b/arch/microblaze/include/asm/stat.h
@@ -0,0 +1 @@
+#include <asm-generic/stat.h>
diff --git a/arch/microblaze/include/asm/statfs.h b/arch/microblaze/include/asm/statfs.h
new file mode 100644
index 00000000000..0b91fe198c2
--- /dev/null
+++ b/arch/microblaze/include/asm/statfs.h
@@ -0,0 +1 @@
+#include <asm-generic/statfs.h>
diff --git a/arch/microblaze/include/asm/swab.h b/arch/microblaze/include/asm/swab.h
new file mode 100644
index 00000000000..7847e563ab6
--- /dev/null
+++ b/arch/microblaze/include/asm/swab.h
@@ -0,0 +1 @@
+#include <asm-generic/swab.h>
diff --git a/arch/microblaze/include/asm/syscalls.h b/arch/microblaze/include/asm/syscalls.h
new file mode 100644
index 00000000000..27f2f4c0f39
--- /dev/null
+++ b/arch/microblaze/include/asm/syscalls.h
@@ -0,0 +1,16 @@
+#ifndef __ASM_MICROBLAZE_SYSCALLS_H
+
+asmlinkage long microblaze_vfork(struct pt_regs *regs);
+asmlinkage long microblaze_clone(int flags, unsigned long stack,
+                                                        struct pt_regs *regs);
+asmlinkage long microblaze_execve(const char __user *filenamei,
+                                  const char __user *const __user *argv,
+                                  const char __user *const __user *envp,
+                                  struct pt_regs *regs);
+
+asmlinkage long sys_clone(int flags, unsigned long stack, struct pt_regs *regs);
+#define sys_clone sys_clone
+
+#include <asm-generic/syscalls.h>
+
+#endif /* __ASM_MICROBLAZE_SYSCALLS_H */
diff --git a/arch/microblaze/include/asm/system.h b/arch/microblaze/include/asm/system.h
new file mode 100644
index 00000000000..e6a2284571d
--- /dev/null
+++ b/arch/microblaze/include/asm/system.h
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2006 Atmark Techno, Inc.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#ifndef _ASM_MICROBLAZE_SYSTEM_H
+#define _ASM_MICROBLAZE_SYSTEM_H
+
+#include <asm/registers.h>
+#include <asm/setup.h>
+#include <asm/irqflags.h>
+#include <asm/cache.h>
+
+#include <asm-generic/cmpxchg.h>
+#include <asm-generic/cmpxchg-local.h>
+
+#define __ARCH_WANT_INTERRUPTS_ON_CTXSW
+
+struct task_struct;
+struct thread_info;
+
+extern struct task_struct *_switch_to(struct thread_info *prev,
+                                        struct thread_info *next);
+
+#define switch_to(prev, next, last)                                     \
+        do {                                                            \
+                (last) = _switch_to(task_thread_info(prev),             \
+                                        task_thread_info(next));        \
+        } while (0)
+
+#define smp_read_barrier_depends()      do {} while (0)
+#define read_barrier_depends()          do {} while (0)
+
+#define nop()                   asm volatile ("nop")
+#define mb()                    barrier()
+#define rmb()                   mb()
+#define wmb()                   mb()
+#define set_mb(var, value)      do { var = value; mb(); } while (0)
+#define set_wmb(var, value)     do { var = value; wmb(); } while (0)
+
+#define smp_mb()                mb()
+#define smp_rmb()               rmb()
+#define smp_wmb()               wmb()
+
+void __bad_xchg(volatile void *ptr, int size);
+
+static inline unsigned long __xchg(unsigned long x, volatile void *ptr,
+                                                                int size)
+{
+        unsigned long ret;
+        unsigned long flags;
+
+        switch (size) {
+        case 1:
+                local_irq_save(flags);
+                ret = *(volatile unsigned char *)ptr;
+                *(volatile unsigned char *)ptr = x;
+                local_irq_restore(flags);
+                break;
+
+        case 4:
+                local_irq_save(flags);
+                ret = *(volatile unsigned long *)ptr;
+                *(volatile unsigned long *)ptr = x;
+                local_irq_restore(flags);
+                break;
+        default:
+                __bad_xchg(ptr, size), ret = 0;
+                break;
+        }
+
+        return ret;
+}
+
+void disable_hlt(void);
+void enable_hlt(void);
+void default_idle(void);
+
+#define xchg(ptr, x) \
+        ((__typeof__(*(ptr))) __xchg((unsigned long)(x), (ptr), sizeof(*(ptr))))
+
+void free_init_pages(char *what, unsigned long begin, unsigned long end);
+void free_initmem(void);
+extern char *klimit;
+extern void ret_from_fork(void);
+
+extern void *alloc_maybe_bootmem(size_t size, gfp_t mask);
+extern void *zalloc_maybe_bootmem(size_t size, gfp_t mask);
+
+#ifdef CONFIG_DEBUG_FS
+extern struct dentry *of_debugfs_root;
+#endif
+
+#define arch_align_stack(x) (x)
+
+/*
+ * MicroBlaze doesn't handle unaligned accesses in hardware.
+ *
+ * Based on this we force the IP header alignment in network drivers.
+ */
+#define NET_IP_ALIGN    2
+
+#endif /* _ASM_MICROBLAZE_SYSTEM_H */
diff --git a/arch/microblaze/include/asm/termbits.h b/arch/microblaze/include/asm/termbits.h
new file mode 100644
index 00000000000..3935b106de7
--- /dev/null
+++ b/arch/microblaze/include/asm/termbits.h
@@ -0,0 +1 @@
+#include <asm-generic/termbits.h>
diff --git a/arch/microblaze/include/asm/termios.h b/arch/microblaze/include/asm/termios.h
new file mode 100644
index 00000000000..280d78a9d96
--- /dev/null
+++ b/arch/microblaze/include/asm/termios.h
@@ -0,0 +1 @@
+#include <asm-generic/termios.h>
diff --git a/arch/microblaze/include/asm/types.h b/arch/microblaze/include/asm/types.h
new file mode 100644
index 00000000000..b9e79bc580d
--- /dev/null
+++ b/arch/microblaze/include/asm/types.h
@@ -0,0 +1 @@
+#include <asm-generic/types.h>
diff --git a/arch/microblaze/kernel/init_task.c b/arch/microblaze/kernel/init_task.c
new file mode 100644
index 00000000000..b5d711f94ff
--- /dev/null
+++ b/arch/microblaze/kernel/init_task.c
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2009 Michal Simek <monstr@monstr.eu>
+ * Copyright (C) 2009 PetaLogix
+ * Copyright (C) 2006 Atmark Techno, Inc.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/sched.h>
+#include <linux/init_task.h>
+#include <linux/fs.h>
+#include <linux/mqueue.h>
+
+#include <asm/pgtable.h>
+
+static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
+static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
+
+union thread_union init_thread_union __init_task_data =
+        { INIT_THREAD_INFO(init_task) };
+
+struct task_struct init_task = INIT_TASK(init_task);
+EXPORT_SYMBOL(init_task);