diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-04-14 00:02:16 +0200 | 
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-14 00:02:22 +0200 | 
| commit | b5c851a88a369854c04e511cefb84ea2d0cfa209 (patch) | |
| tree | 55084d3d51708f90f27d0a70db5ab63916942f14 /include/asm-mn10300/processor.h | |
| parent | eb02ce017dd83985041a7e54c6449f92d53b026f (diff) | |
| parent | 80a04d3f2f94fb68b5df05e3ac6697130bc3467a (diff) | |
Merge branch 'linus' into tracing/core
Merge reason: merge latest tracing fixes to avoid conflicts in
              kernel/trace/trace_events_filter.c with upcoming change
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-mn10300/processor.h')
| -rw-r--r-- | include/asm-mn10300/processor.h | 186 | 
1 files changed, 0 insertions, 186 deletions
| diff --git a/include/asm-mn10300/processor.h b/include/asm-mn10300/processor.h deleted file mode 100644 index 73239271873..00000000000 --- a/include/asm-mn10300/processor.h +++ /dev/null @@ -1,186 +0,0 @@ -/* MN10300 Processor specifics - * - * Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd. - * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public Licence - * as published by the Free Software Foundation; either version - * 2 of the Licence, or (at your option) any later version. - */ - -#ifndef _ASM_PROCESSOR_H -#define _ASM_PROCESSOR_H - -#include <asm/page.h> -#include <asm/ptrace.h> -#include <asm/cpu-regs.h> -#include <linux/threads.h> - -/* Forward declaration, a strange C thing */ -struct task_struct; -struct mm_struct; - -/* - * Default implementation of macro that returns current - * instruction pointer ("program counter"). - */ -#define current_text_addr()			\ -({						\ -	void *__pc;				\ -	asm("mov pc,%0" : "=a"(__pc));		\ -	__pc;					\ -}) - -extern void show_registers(struct pt_regs *regs); - -/* - *  CPU type and hardware bug flags. Kept separately for each CPU. - *  Members of this structure are referenced in head.S, so think twice - *  before touching them. [mj] - */ - -struct mn10300_cpuinfo { -	int		type; -	unsigned long	loops_per_sec; -	char		hard_math; -	unsigned long	*pgd_quick; -	unsigned long	*pte_quick; -	unsigned long	pgtable_cache_sz; -}; - -extern struct mn10300_cpuinfo boot_cpu_data; - -#define cpu_data &boot_cpu_data -#define current_cpu_data boot_cpu_data - -extern void identify_cpu(struct mn10300_cpuinfo *); -extern void print_cpu_info(struct mn10300_cpuinfo *); -extern void dodgy_tsc(void); -#define cpu_relax() barrier() - -/* - * User space process size: 1.75GB (default). - */ -#define TASK_SIZE		0x70000000 - -/* - * Where to put the userspace stack by default - */ -#define STACK_TOP		0x70000000 -#define STACK_TOP_MAX		STACK_TOP - -/* This decides where the kernel will search for a free chunk of vm - * space during mmap's. - */ -#define TASK_UNMAPPED_BASE	0x30000000 - -typedef struct { -	unsigned long	seg; -} mm_segment_t; - -struct fpu_state_struct { -	unsigned long	fs[32];		/* fpu registers */ -	unsigned long	fpcr;		/* fpu control register */ -}; - -struct thread_struct { -	struct pt_regs		*uregs;		/* userspace register frame */ -	unsigned long		pc;		/* kernel PC */ -	unsigned long		sp;		/* kernel SP */ -	unsigned long		a3;		/* kernel FP */ -	unsigned long		wchan; -	unsigned long		usp; -	struct pt_regs		*__frame; -	unsigned long		fpu_flags; -#define THREAD_USING_FPU	0x00000001	/* T if this task is using the FPU */ -	struct fpu_state_struct	fpu_state; -}; - -#define INIT_THREAD				\ -{						\ -	.uregs		= init_uregs,		\ -	.pc		= 0,			\ -	.sp		= 0,			\ -	.a3		= 0,			\ -	.wchan		= 0,			\ -	.__frame	= NULL,			\ -} - -#define INIT_MMAP \ -{ &init_mm, 0, 0, NULL, PAGE_SHARED, VM_READ | VM_WRITE | VM_EXEC, 1, \ -  NULL, NULL } - -/* - * do necessary setup to start up a newly executed thread - * - need to discard the frame stacked by the kernel thread invoking the execve - *   syscall (see RESTORE_ALL macro) - */ -#define start_thread(regs, new_pc, new_sp) do {		\ -	set_fs(USER_DS);				\ -	__frame = current->thread.uregs;		\ -	__frame->epsw = EPSW_nSL | EPSW_IE | EPSW_IM;	\ -	__frame->pc = new_pc;				\ -	__frame->sp = new_sp;				\ -} while (0) - -/* Free all resources held by a thread. */ -extern void release_thread(struct task_struct *); - -/* Prepare to copy thread state - unlazy all lazy status */ -extern void prepare_to_copy(struct task_struct *tsk); - -/* - * create a kernel thread without removing it from tasklists - */ -extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags); - -/* - * Return saved PC of a blocked thread. - */ -extern unsigned long thread_saved_pc(struct task_struct *tsk); - -unsigned long get_wchan(struct task_struct *p); - -#define task_pt_regs(task)						\ -({									\ -       struct pt_regs *__regs__;					\ -       __regs__ = (struct pt_regs *) (KSTK_TOP(task_stack_page(task)) - 8); \ -       __regs__ - 1;							\ -}) - -#define KSTK_EIP(task) (task_pt_regs(task)->pc) -#define KSTK_ESP(task) (task_pt_regs(task)->sp) - -#define KSTK_TOP(info)				\ -({						\ -	(unsigned long)(info) + THREAD_SIZE;	\ -}) - -#define ARCH_HAS_PREFETCH -#define ARCH_HAS_PREFETCHW - -static inline void prefetch(const void *x) -{ -#ifndef CONFIG_MN10300_CACHE_DISABLED -#ifdef CONFIG_MN10300_PROC_MN103E010 -	asm volatile ("nop; nop; dcpf (%0)" : : "r"(x)); -#else -	asm volatile ("dcpf (%0)" : : "r"(x)); -#endif -#endif -} - -static inline void prefetchw(const void *x) -{ -#ifndef CONFIG_MN10300_CACHE_DISABLED -#ifdef CONFIG_MN10300_PROC_MN103E010 -	asm volatile ("nop; nop; dcpf (%0)" : : "r"(x)); -#else -	asm volatile ("dcpf (%0)" : : "r"(x)); -#endif -#endif -} - -#endif /* _ASM_PROCESSOR_H */ | 
