diff options
Diffstat (limited to 'arch/m68k/include/asm/thread_info_mm.h')
-rw-r--r-- | arch/m68k/include/asm/thread_info_mm.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/thread_info_mm.h b/arch/m68k/include/asm/thread_info_mm.h new file mode 100644 index 00000000000..af0fda46e94 --- /dev/null +++ b/arch/m68k/include/asm/thread_info_mm.h @@ -0,0 +1,57 @@ +#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 +#define TIF_FREEZE 17 /* thread is freezing for suspend */ + +#endif /* _ASM_M68K_THREAD_INFO_H */ |