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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 */ |