1 files changed, 120 insertions, 0 deletions

diff --git a/include/asm-v850/processor.h b/include/asm-v850/processor.h
new file mode 100644
index 000000000000..d41f925f5182
--- /dev/null
+++ b/include/asm-v850/processor.h
@@ -0,0 +1,120 @@
+/*
+ * include/asm-v850/processor.h
+ *
+ *  Copyright (C) 2001,02,03  NEC Electronics Corporation
+ *  Copyright (C) 2001,02,03  Miles Bader <miles@gnu.org>
+ *
+ * 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.
+ *
+ * Written by Miles Bader <miles@gnu.org>
+ */
+
+#ifndef __V850_PROCESSOR_H__
+#define __V850_PROCESSOR_H__
+
+#include <linux/config.h>
+#ifndef __ASSEMBLY__ /* <linux/thread_info.h> is not asm-safe.  */
+#include <linux/thread_info.h>
+#endif
+
+#include <asm/ptrace.h>
+#include <asm/entry.h>
+
+/* Some code expects `segment' stuff to be defined here.  */
+#include <asm/segment.h>
+
+
+/*
+ * The only places this is used seem to be horrible bletcherous kludges,
+ * so we just define it to be as large as possible.
+ */
+#define TASK_SIZE       (0xFFFFFFFF)
+
+/*
+ * This decides where the kernel will search for a free chunk of vm
+ * space during mmap's.  We won't be using it.
+ */
+#define TASK_UNMAPPED_BASE      0
+
+
+#ifndef __ASSEMBLY__
+
+
+/*
+ * Default implementation of macro that returns current
+ * instruction pointer ("program counter").
+ */
+#define current_text_addr()     ({ __label__ _l; _l: &&_l;})
+
+/* If you change this, you must change the associated assembly-languages
+   constants defined below, THREAD_*.  */
+struct thread_struct {
+        /* kernel stack pointer (must be first field in structure) */
+        unsigned long  ksp;
+};
+
+#define INIT_THREAD { sizeof init_stack + (unsigned long)init_stack }
+
+
+/* Do necessary setup to start up a newly executed thread.  */
+extern inline void start_thread (struct pt_regs *regs,
+                                 unsigned long pc, unsigned long usp)
+{
+        regs->pc = pc;
+        regs->gpr[GPR_SP] = usp;
+        regs->kernel_mode = 0;
+}
+
+/* Free all resources held by a thread. */
+extern inline void release_thread (struct task_struct *dead_task)
+{
+}
+
+/* Prepare to copy thread state - unlazy all lazy status */
+#define prepare_to_copy(tsk)    do { } while (0)
+
+extern int kernel_thread (int (*fn)(void *), void * arg, unsigned long flags);
+
+/* Free current thread data structures etc.  */
+static inline void exit_thread (void)
+{
+}
+
+
+/* Return the registers saved during context-switch by the currently
+   not-running thread T.  Note that this only includes some registers!
+   See entry.S for details.  */
+#define thread_saved_regs(t) \
+   ((struct pt_regs*)((t)->thread.ksp + STATE_SAVE_PT_OFFSET))
+/* Return saved (kernel) PC of a blocked thread.  Actually, we return the
+   LP register, because the thread is actually blocked in switch_thread,
+   and we're interested in the PC it will _return_ to.  */
+#define thread_saved_pc(t)   (thread_saved_regs(t)->gpr[GPR_LP])
+
+
+unsigned long get_wchan (struct task_struct *p);
+
+
+/* Return some info about the user process TASK.  */
+#define task_tos(task)  ((unsigned long)(task)->thread_info + THREAD_SIZE)
+#define task_regs(task) ((struct pt_regs *)task_tos (task) - 1)
+#define task_sp(task)   (task_regs (task)->gpr[GPR_SP])
+#define task_pc(task)   (task_regs (task)->pc)
+/* Grotty old names for some.  */
+#define KSTK_EIP(task)  task_pc (task)
+#define KSTK_ESP(task)  task_sp (task)
+
+
+#define cpu_relax()    ((void)0)
+
+
+#else /* __ASSEMBLY__ */
+
+#define THREAD_KSP      0
+
+#endif /* !__ASSEMBLY__ */
+
+
+#endif /* __V850_PROCESSOR_H__ */