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Diffstat (limited to 'target/linux/ubicom32/files/arch/ubicom32/include/asm/processor.h')
| -rw-r--r-- | target/linux/ubicom32/files/arch/ubicom32/include/asm/processor.h | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/target/linux/ubicom32/files/arch/ubicom32/include/asm/processor.h b/target/linux/ubicom32/files/arch/ubicom32/include/asm/processor.h deleted file mode 100644 index 92e49e81ac..0000000000 --- a/target/linux/ubicom32/files/arch/ubicom32/include/asm/processor.h +++ /dev/null @@ -1,163 +0,0 @@ -/* - * arch/ubicom32/include/asm/processor.h - * Thread related definitions for Ubicom32 architecture. - * - * (C) Copyright 2009, Ubicom, Inc. - * Copyright (C) 1995 Hamish Macdonald - * - * This file is part of the Ubicom32 Linux Kernel Port. - * - * The Ubicom32 Linux Kernel Port is free software: you can redistribute - * it and/or modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, either version 2 of the - * License, or (at your option) any later version. - * - * The Ubicom32 Linux Kernel Port is distributed in the hope that it - * will be useful, but WITHOUT ANY WARRANTY; without even the implied - * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with the Ubicom32 Linux Kernel Port. If not, - * see <http://www.gnu.org/licenses/>. - * - * Ubicom32 implementation derived from (with many thanks): - * arch/m68knommu - * arch/blackfin - * arch/parisc - */ - -#ifndef _ASM_UBICOM32_PROCESSOR_H -#define _ASM_UBICOM32_PROCESSOR_H - -/* - * Default implementation of macro that returns current - * instruction pointer ("program counter"). - */ -#define current_text_addr() ({ __label__ _l; _l: &&_l;}) - -#include <linux/compiler.h> -#include <linux/threads.h> -#include <asm/types.h> -#include <asm/segment.h> -#include <asm/fpu.h> -#include <asm/ptrace.h> -#include <asm/current.h> -#include <asm/thread_info.h> - -#if defined(CONFIG_UBICOM32_V3) - #define CPU "IP5K" -#endif -#if defined(CONFIG_UBICOM32_V4) - #define CPU "IP7K" -#endif -#ifndef CPU - #define CPU "UNKNOWN" -#endif - -/* - * User space process size: 1st byte beyond user address space. - */ -extern unsigned long memory_end; -#define TASK_SIZE (memory_end) - -/* - * This decides where the kernel will search for a free chunk of vm - * space during mmap's. We won't be using it - */ -#define TASK_UNMAPPED_BASE 0 - -/* - * This is the structure where we are going to save callee-saved registers. - * A5 is the return address, A7 is the stack pointer, A6 is the frame - * pointer. This is the frame that is created because of switch_to. This - * is not the frame due to interrupt preemption or because of syscall entry. - */ - -struct thread_struct { - unsigned long d10; /* D10 */ - unsigned long d11; /* D11 */ - unsigned long d12; /* D12 */ - unsigned long d13; /* D13 */ - unsigned long a1; /* A1 */ - unsigned long a2; /* A2 */ - unsigned long a5; /* A5 return address. */ - unsigned long a6; /* A6 */ - unsigned long sp; /* A7 kernel stack pointer. */ -}; - -#define INIT_THREAD { \ - 0, 0, 0, 0, 0, 0, 0, 0, \ - sizeof(init_stack) + (unsigned long) init_stack - 8, \ -} - -/* - * Do necessary setup to start up a newly executed thread. - * - * pass the data segment into user programs if it exists, - * it can't hurt anything as far as I can tell - */ -/* - * Do necessary setup to start up a newly executed thread. - */ -#define start_thread(regs, new_pc, new_sp) \ - do { \ - regs->pc = new_pc & ~3; \ - regs->an[5] = new_pc & ~3; \ - regs->an[7] = new_sp; \ - regs->nesting_level = -1; \ - regs->frame_type = UBICOM32_FRAME_TYPE_NEW_THREAD; \ - regs->thread_type = NORMAL_THREAD; \ - } while(0) - -/* Forward declaration, a strange C thing */ -struct task_struct; - -/* Free all resources held by a thread. */ -static inline void release_thread(struct task_struct *dead_task) -{ -} - -/* Prepare to copy thread state - unlazy all lazy status */ -#define prepare_to_copy(tsk) do { } while (0) - -extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags); - -/* - * Free current thread data structures etc.. - */ -static inline void exit_thread(void) -{ -} - -unsigned long thread_saved_pc(struct task_struct *tsk); -unsigned long get_wchan(struct task_struct *p); - -#define KSTK_EIP(tsk) (tsk->thread.a5) -#define KSTK_ESP(tsk) (tsk->thread.sp) - -#define cpu_relax() barrier() - -extern void processor_init(void); -extern unsigned int processor_timers(void); -extern unsigned int processor_threads(void); -extern unsigned int processor_frequency(void); -extern int processor_interrupts(unsigned int *int0, unsigned int *int1); -extern void processor_ocm(unsigned long *socm, unsigned long *eocm); -extern void processor_dram(unsigned long *sdram, unsigned long *edram); - -#define THREAD_SIZE_LONGS (THREAD_SIZE/sizeof(unsigned long)) -#define KSTK_TOP(info) \ -({ \ - unsigned long *__ptr = (unsigned long *)(info); \ - (unsigned long)(&__ptr[THREAD_SIZE_LONGS]); \ -}) - -#define task_pt_regs(task) \ -({ \ - struct pt_regs *__regs__; \ - __regs__ = (struct pt_regs *)(KSTK_TOP(task_stack_page(task))-8); \ - __regs__ - 1; \ -}) - -#endif /* _ASM_UBICOM32_PROCESSOR_H */ |