From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001 From: Srikant Patnaik Date: Sun, 11 Jan 2015 12:28:04 +0530 Subject: Moved, renamed, and deleted files The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure. --- arch/h8300/include/asm/thread_info.h | 106 +++++++++++++++++++++++++++++++++++ 1 file changed, 106 insertions(+) create mode 100644 arch/h8300/include/asm/thread_info.h (limited to 'arch/h8300/include/asm/thread_info.h') diff --git a/arch/h8300/include/asm/thread_info.h b/arch/h8300/include/asm/thread_info.h new file mode 100644 index 00000000..9c126e0c --- /dev/null +++ b/arch/h8300/include/asm/thread_info.h @@ -0,0 +1,106 @@ +/* thread_info.h: h8300 low-level thread information + * adapted from the i386 and PPC versions by Yoshinori Sato + * + * Copyright (C) 2002 David Howells (dhowells@redhat.com) + * - Incorporating suggestions made by Linus Torvalds and Dave Miller + */ + +#ifndef _ASM_THREAD_INFO_H +#define _ASM_THREAD_INFO_H + +#include + +#ifdef __KERNEL__ + +#ifndef __ASSEMBLY__ + +/* + * low level task data. + * If you change this, change the TI_* offsets below to match. + */ +struct thread_info { + struct task_struct *task; /* main task structure */ + struct exec_domain *exec_domain; /* execution domain */ + unsigned long flags; /* low level flags */ + int cpu; /* cpu we're on */ + int preempt_count; /* 0 => preemptable, <0 => BUG */ + struct restart_block restart_block; +}; + +/* + * macros/functions for gaining access to the thread information structure + */ +#define INIT_THREAD_INFO(tsk) \ +{ \ + .task = &tsk, \ + .exec_domain = &default_exec_domain, \ + .flags = 0, \ + .cpu = 0, \ + .preempt_count = INIT_PREEMPT_COUNT, \ + .restart_block = { \ + .fn = do_no_restart_syscall, \ + }, \ +} + +#define init_thread_info (init_thread_union.thread_info) +#define init_stack (init_thread_union.stack) + + +/* + * Size of kernel stack for each process. This must be a power of 2... + */ +#define THREAD_SIZE_ORDER 1 +#define THREAD_SIZE 8192 /* 2 pages */ + + +/* how to get the thread information struct from C */ +static inline struct thread_info *current_thread_info(void) +{ + struct thread_info *ti; + __asm__( + "mov.l sp, %0 \n\t" + "and.l %1, %0" + : "=&r"(ti) + : "i" (~(THREAD_SIZE-1)) + ); + return ti; +} + +#endif /* __ASSEMBLY__ */ + +/* + * Offsets in thread_info structure, used in assembly code + */ +#define TI_TASK 0 +#define TI_EXECDOMAIN 4 +#define TI_FLAGS 8 +#define TI_CPU 12 +#define TI_PRE_COUNT 16 + +#define PREEMPT_ACTIVE 0x4000000 + +/* + * thread information flag bit numbers + */ +#define TIF_SYSCALL_TRACE 0 /* syscall trace active */ +#define TIF_SIGPENDING 1 /* signal pending */ +#define TIF_NEED_RESCHED 2 /* rescheduling necessary */ +#define TIF_POLLING_NRFLAG 3 /* true if poll_idle() is polling + TIF_NEED_RESCHED */ +#define TIF_MEMDIE 4 /* is terminating due to OOM killer */ +#define TIF_RESTORE_SIGMASK 5 /* restore signal mask in do_signal() */ +#define TIF_NOTIFY_RESUME 6 /* callback before returning to user */ + +/* as above, but as bit values */ +#define _TIF_SYSCALL_TRACE (1<