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@@ -1,5 +1,108 @@
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-#ifdef __uClinux__
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-#include "thread_info_no.h"
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+#ifndef _ASM_M68K_THREAD_INFO_H
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+#define _ASM_M68K_THREAD_INFO_H
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+
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+#include <asm/types.h>
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+#include <asm/page.h>
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+
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+/*
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+ * On machines with 4k pages we default to an 8k thread size, though we
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+ * allow a 4k with config option. Any other machine page size then
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+ * the thread size must match the page size (which is 8k and larger here).
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+ */
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+#if PAGE_SHIFT < 13
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+#ifdef CONFIG_4KSTACKS
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+#define THREAD_SIZE 4096
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#else
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-#include "thread_info_mm.h"
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+#define THREAD_SIZE 8192
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#endif
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+#else
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+#define THREAD_SIZE PAGE_SIZE
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+#endif
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+#define THREAD_SIZE_ORDER ((THREAD_SIZE / PAGE_SIZE) - 1)
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+
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+#ifndef __ASSEMBLY__
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+
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+struct thread_info {
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+ struct task_struct *task; /* main task structure */
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+ unsigned long flags;
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+ struct exec_domain *exec_domain; /* execution domain */
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+ int preempt_count; /* 0 => preemptable, <0 => BUG */
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+ __u32 cpu; /* should always be 0 on m68k */
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+ unsigned long tp_value; /* thread pointer */
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+ struct restart_block restart_block;
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+};
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+#endif /* __ASSEMBLY__ */
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+
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+#define PREEMPT_ACTIVE 0x4000000
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+
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+#define INIT_THREAD_INFO(tsk) \
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+{ \
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+ .task = &tsk, \
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+ .exec_domain = &default_exec_domain, \
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+ .preempt_count = INIT_PREEMPT_COUNT, \
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+ .restart_block = { \
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+ .fn = do_no_restart_syscall, \
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+ }, \
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+}
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+
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+#define init_stack (init_thread_union.stack)
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+
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+#ifdef CONFIG_MMU
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+
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+#ifndef __ASSEMBLY__
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+#include <asm/current.h>
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+#endif
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+
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+#ifdef ASM_OFFSETS_C
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+#define task_thread_info(tsk) ((struct thread_info *) NULL)
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+#else
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+#include <asm/asm-offsets.h>
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+#define task_thread_info(tsk) ((struct thread_info *)((char *)tsk+TASK_TINFO))
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+#endif
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+
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+#define init_thread_info (init_task.thread.info)
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+#define task_stack_page(tsk) ((tsk)->stack)
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+#define current_thread_info() task_thread_info(current)
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+
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+#define __HAVE_THREAD_FUNCTIONS
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+
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+#define setup_thread_stack(p, org) ({ \
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+ *(struct task_struct **)(p)->stack = (p); \
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+ task_thread_info(p)->task = (p); \
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+})
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+
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+#define end_of_stack(p) ((unsigned long *)(p)->stack + 1)
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+
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+#else /* !CONFIG_MMU */
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+
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+#ifndef __ASSEMBLY__
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+/* how to get the thread information struct from C */
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+static inline struct thread_info *current_thread_info(void)
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+{
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+ struct thread_info *ti;
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+ __asm__(
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+ "move.l %%sp, %0 \n\t"
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+ "and.l %1, %0"
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+ : "=&d"(ti)
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+ : "di" (~(THREAD_SIZE-1))
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+ );
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+ return ti;
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+}
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+#endif
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+
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+#define init_thread_info (init_thread_union.thread_info)
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+
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+#endif /* CONFIG_MMU */
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+
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+/* entry.S relies on these definitions!
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+ * bits 0-7 are tested at every exception exit
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+ * bits 8-15 are also tested at syscall exit
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+ */
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+#define TIF_SIGPENDING 6 /* signal pending */
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+#define TIF_NEED_RESCHED 7 /* rescheduling necessary */
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+#define TIF_DELAYED_TRACE 14 /* single step a syscall */
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+#define TIF_SYSCALL_TRACE 15 /* syscall trace active */
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+#define TIF_MEMDIE 16 /* is terminating due to OOM killer */
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+#define TIF_FREEZE 17 /* thread is freezing for suspend */
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+
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+#endif /* _ASM_M68K_THREAD_INFO_H */
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Greg Ungerer