MIPS: Move headfiles to new location below arch/mips/include

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 151 insertions, 0 deletions

diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h
new file mode 100644
index 000000000000..bb3060699df2
--- /dev/null
+++ b/arch/mips/include/asm/thread_info.h
@@ -0,0 +1,151 @@
+/* thread_info.h: MIPS low-level thread information
+ *
+ * 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
+
+#ifdef __KERNEL__
+
+
+#ifndef __ASSEMBLY__
+
+#include <asm/processor.h>
+
+/*
+ * low level task data that entry.S needs immediate access to
+ * - this struct should fit entirely inside of one cache line
+ * - this struct shares the supervisor stack pages
+ * - if the contents of this structure are changed, the assembly constants
+ *   must also be changed
+ */
+struct thread_info {
+	struct task_struct	*task;		/* main task structure */
+	struct exec_domain	*exec_domain;	/* execution domain */
+	unsigned long		flags;		/* low level flags */
+	unsigned long		tp_value;	/* thread pointer */
+	__u32			cpu;		/* current CPU */
+	int			preempt_count;	/* 0 => preemptable, <0 => BUG */
+
+	mm_segment_t		addr_limit;	/* thread address space:
+						   0-0xBFFFFFFF for user-thead
+						   0-0xFFFFFFFF for kernel-thread
+						*/
+	struct restart_block	restart_block;
+	struct pt_regs		*regs;
+};
+
+/*
+ * macros/functions for gaining access to the thread information structure
+ *
+ * preempt_count needs to be 1 initially, until the scheduler is functional.
+ */
+#define INIT_THREAD_INFO(tsk)			\
+{						\
+	.task		= &tsk,			\
+	.exec_domain	= &default_exec_domain,	\
+	.flags		= _TIF_FIXADE,		\
+	.cpu		= 0,			\
+	.preempt_count	= 1,			\
+	.addr_limit	= KERNEL_DS,		\
+	.restart_block	= {			\
+		.fn = do_no_restart_syscall,	\
+	},					\
+}
+
+#define init_thread_info	(init_thread_union.thread_info)
+#define init_stack		(init_thread_union.stack)
+
+/* How to get the thread information struct from C.  */
+register struct thread_info *__current_thread_info __asm__("$28");
+#define current_thread_info()  __current_thread_info
+
+/* thread information allocation */
+#if defined(CONFIG_PAGE_SIZE_4KB) && defined(CONFIG_32BIT)
+#define THREAD_SIZE_ORDER (1)
+#endif
+#if defined(CONFIG_PAGE_SIZE_4KB) && defined(CONFIG_64BIT)
+#define THREAD_SIZE_ORDER (2)
+#endif
+#ifdef CONFIG_PAGE_SIZE_8KB
+#define THREAD_SIZE_ORDER (1)
+#endif
+#ifdef CONFIG_PAGE_SIZE_16KB
+#define THREAD_SIZE_ORDER (0)
+#endif
+#ifdef CONFIG_PAGE_SIZE_64KB
+#define THREAD_SIZE_ORDER (0)
+#endif
+
+#define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER)
+#define THREAD_MASK (THREAD_SIZE - 1UL)
+
+#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
+
+#ifdef CONFIG_DEBUG_STACK_USAGE
+#define alloc_thread_info(tsk)					\
+({								\
+	struct thread_info *ret;				\
+								\
+	ret = kzalloc(THREAD_SIZE, GFP_KERNEL);			\
+								\
+	ret;							\
+})
+#else
+#define alloc_thread_info(tsk) kmalloc(THREAD_SIZE, GFP_KERNEL)
+#endif
+
+#define free_thread_info(info) kfree(info)
+
+#endif /* !__ASSEMBLY__ */
+
+#define PREEMPT_ACTIVE		0x10000000
+
+/*
+ * thread information flags
+ * - these are process state flags that various assembly files may need to
+ *   access
+ * - pending work-to-be-done flags are in LSW
+ * - other flags in MSW
+ */
+#define TIF_SIGPENDING		1	/* signal pending */
+#define TIF_NEED_RESCHED	2	/* rescheduling necessary */
+#define TIF_SYSCALL_AUDIT	3	/* syscall auditing active */
+#define TIF_SECCOMP		4	/* secure computing */
+#define TIF_RESTORE_SIGMASK	9	/* restore signal mask in do_signal() */
+#define TIF_USEDFPU		16	/* FPU was used by this task this quantum (SMP) */
+#define TIF_POLLING_NRFLAG	17	/* true if poll_idle() is polling TIF_NEED_RESCHED */
+#define TIF_MEMDIE		18
+#define TIF_FREEZE		19
+#define TIF_FIXADE		20	/* Fix address errors in software */
+#define TIF_LOGADE		21	/* Log address errors to syslog */
+#define TIF_32BIT_REGS		22	/* also implies 16/32 fprs */
+#define TIF_32BIT_ADDR		23	/* 32-bit address space (o32/n32) */
+#define TIF_FPUBOUND		24	/* thread bound to FPU-full CPU set */
+#define TIF_SYSCALL_TRACE	31	/* syscall trace active */
+
+#define _TIF_SYSCALL_TRACE	(1<<TIF_SYSCALL_TRACE)
+#define _TIF_SIGPENDING		(1<<TIF_SIGPENDING)
+#define _TIF_NEED_RESCHED	(1<<TIF_NEED_RESCHED)
+#define _TIF_SYSCALL_AUDIT	(1<<TIF_SYSCALL_AUDIT)
+#define _TIF_SECCOMP		(1<<TIF_SECCOMP)
+#define _TIF_RESTORE_SIGMASK	(1<<TIF_RESTORE_SIGMASK)
+#define _TIF_USEDFPU		(1<<TIF_USEDFPU)
+#define _TIF_POLLING_NRFLAG	(1<<TIF_POLLING_NRFLAG)
+#define _TIF_FREEZE		(1<<TIF_FREEZE)
+#define _TIF_FIXADE		(1<<TIF_FIXADE)
+#define _TIF_LOGADE		(1<<TIF_LOGADE)
+#define _TIF_32BIT_REGS		(1<<TIF_32BIT_REGS)
+#define _TIF_32BIT_ADDR		(1<<TIF_32BIT_ADDR)
+#define _TIF_FPUBOUND		(1<<TIF_FPUBOUND)
+
+/* work to do on interrupt/exception return */
+#define _TIF_WORK_MASK		(0x0000ffef & ~_TIF_SECCOMP)
+/* work to do on any return to u-space */
+#define _TIF_ALLWORK_MASK	(0x8000ffff & ~_TIF_SECCOMP)
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_THREAD_INFO_H */