#ifndef _ASM_M68K_THREAD_INFO_H #define _ASM_M68K_THREAD_INFO_H #include #include #include /* * On machines with 4k pages we default to an 8k thread size, though we * allow a 4k with config option. Any other machine page size then * the thread size must match the page size (which is 8k and larger here). */ #if PAGE_SHIFT < 13 #ifdef CONFIG_4KSTACKS #define THREAD_SIZE 4096 #else #define THREAD_SIZE 8192 #endif #else #define THREAD_SIZE PAGE_SIZE #endif #define THREAD_SIZE_ORDER ((THREAD_SIZE / PAGE_SIZE) - 1) #ifndef __ASSEMBLY__ struct thread_info { struct task_struct *task; /* main task structure */ unsigned long flags; mm_segment_t addr_limit; /* thread address space */ int preempt_count; /* 0 => preemptable, <0 => BUG */ __u32 cpu; /* should always be 0 on m68k */ unsigned long tp_value; /* thread pointer */ }; #endif /* __ASSEMBLY__ */ #define INIT_THREAD_INFO(tsk) \ { \ .task = &tsk, \ .addr_limit = KERNEL_DS, \ .preempt_count = INIT_PREEMPT_COUNT, \ } #define init_stack (init_thread_union.stack) #ifndef __ASSEMBLY__ /* how to get the thread information struct from C */ static inline struct thread_info *current_thread_info(void) { struct thread_info *ti; __asm__( "move.l %%sp, %0 \n\t" "and.l %1, %0" : "=&d"(ti) : "di" (~(THREAD_SIZE-1)) ); return ti; } #endif #define init_thread_info (init_thread_union.thread_info) /* 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_NOTIFY_RESUME 5 /* callback before returning to user */ #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 /* is terminating due to OOM killer */ #define TIF_RESTORE_SIGMASK 18 /* restore signal mask in do_signal */ #endif /* _ASM_M68K_THREAD_INFO_H */ re/comm.c?h=nds-private-remove&id=e8fe4f4b2b7b93048729538321c681c0cff33b39'>commitdiff

path: root/sound/usb/6fire/comm.c

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