Inital import

[l4.git] / l4 / pkg / linux-26-headers / include / asm-m68k / thread_info.h

diff --git a/l4/pkg/linux-26-headers/include/asm-m68k/thread_info.h b/l4/pkg/linux-26-headers/include/asm-m68k/thread_info.h
new file mode 100644 (file)
index 0000000..abc0027
--- /dev/null
+++ b/l4/pkg/linux-26-headers/include/asm-m68k/thread_info.h
@@ -0,0 +1,56 @@
+#ifndef _ASM_M68K_THREAD_INFO_H
+#define _ASM_M68K_THREAD_INFO_H
+
+#include <asm/types.h>
+#include <asm/page.h>
+
+struct thread_info {
+       struct task_struct      *task;          /* main task structure */
+       unsigned long           flags;
+       struct exec_domain      *exec_domain;   /* execution domain */
+       int                     preempt_count;  /* 0 => preemptable, <0 => BUG */
+       __u32 cpu; /* should always be 0 on m68k */
+       struct restart_block    restart_block;
+};
+
+#define PREEMPT_ACTIVE         0x4000000
+
+#define INIT_THREAD_INFO(tsk)                  \
+{                                              \
+       .task           = &tsk,                 \
+       .exec_domain    = &default_exec_domain, \
+       .restart_block = {                      \
+               .fn = do_no_restart_syscall,    \
+       },                                      \
+}
+
+/* THREAD_SIZE should be 8k, so handle differently for 4k and 8k machines */
+#define THREAD_SIZE_ORDER (13 - PAGE_SHIFT)
+
+#define init_thread_info       (init_task.thread.info)
+#define init_stack             (init_thread_union.stack)
+
+#define task_thread_info(tsk)  (&(tsk)->thread.info)
+#define task_stack_page(tsk)   ((tsk)->stack)
+#define current_thread_info()  task_thread_info(current)
+
+#define __HAVE_THREAD_FUNCTIONS
+
+#define setup_thread_stack(p, org) ({                  \
+       *(struct task_struct **)(p)->stack = (p);       \
+       task_thread_info(p)->task = (p);                \
+})
+
+#define end_of_stack(p) ((unsigned long *)(p)->stack + 1)
+
+/* entry.S relies on these definitions!
+ * bits 0-7 are tested at every exception exit
+ * bits 8-15 are also tested at syscall exit
+ */
+#define TIF_SIGPENDING         6       /* signal pending */
+#define TIF_NEED_RESCHED       7       /* rescheduling necessary */
+#define TIF_DELAYED_TRACE      14      /* single step a syscall */
+#define TIF_SYSCALL_TRACE      15      /* syscall trace active */
+#define TIF_MEMDIE             16
+
+#endif /* _ASM_M68K_THREAD_INFO_H */