/* * Copyright (C) 2013 Altera Corporation * Copyright (C) 2010 Tobias Klauser <tklauser@distanz.ch> * Copyright (C) 2004 Microtronix Datacom Ltd * Copyright (C) 2001 Ken Hill (khill@microtronix.com) * Vic Phillips (vic@microtronix.com) * * based on SPARC asm/processor_32.h which is: * * Copyright (C) 1994 David S. Miller * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. */ #ifndef _ASM_NIOS2_PROCESSOR_H #define _ASM_NIOS2_PROCESSOR_H #include <asm/ptrace.h> #include <asm/registers.h> #include <asm/page.h> #define NIOS2_FLAG_KTHREAD 0x00000001 /* task is a kernel thread */ #define NIOS2_OP_NOP 0x1883a #define NIOS2_OP_BREAK 0x3da03a #ifdef __KERNEL__ #define STACK_TOP TASK_SIZE #define STACK_TOP_MAX STACK_TOP #endif /* __KERNEL__ */ /* Kuser helpers is mapped to this user space address */ #define KUSER_BASE 0x1000 #define KUSER_SIZE (PAGE_SIZE) #ifndef __ASSEMBLY__ /* * Default implementation of macro that returns current * instruction pointer ("program counter"). */ #define current_text_addr() ({ __label__ _l; _l: &&_l; }) # define TASK_SIZE 0x7FFF0000UL # define TASK_UNMAPPED_BASE (PAGE_ALIGN(TASK_SIZE / 3)) /* The Nios processor specific thread struct. */ struct thread_struct { struct pt_regs *kregs; /* Context switch saved kernel state. */ unsigned long ksp; unsigned long kpsr; }; #define INIT_MMAP \ { &init_mm, (0), (0), __pgprot(0x0), VM_READ | VM_WRITE | VM_EXEC } # define INIT_THREAD { \ .kregs = NULL, \ .ksp = 0, \ .kpsr = 0, \ } extern void start_thread(struct pt_regs *regs, unsigned long pc, unsigned long sp); struct task_struct; /* Free all resources held by a thread. */ static inline void release_thread(struct task_struct *dead_task) { } extern unsigned long get_wchan(struct task_struct *p); #define task_pt_regs(p) \ ((struct pt_regs *)(THREAD_SIZE + task_stack_page(p)) - 1) /* Used by procfs */ #define KSTK_EIP(tsk) ((tsk)->thread.kregs->ea) #define KSTK_ESP(tsk) ((tsk)->thread.kregs->sp) #define cpu_relax() barrier() #endif /* __ASSEMBLY__ */ #endif /* _ASM_NIOS2_PROCESSOR_H */
Name | Type | Size | Permission | Actions |
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Kbuild | File | 958 B | 0644 |
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asm-macros.h | File | 6.71 KB | 0644 |
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asm-offsets.h | File | 813 B | 0644 |
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cache.h | File | 1.14 KB | 0644 |
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cacheflush.h | File | 1.91 KB | 0644 |
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checksum.h | File | 2.03 KB | 0644 |
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cpuinfo.h | File | 1.42 KB | 0644 |
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delay.h | File | 547 B | 0644 |
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dma-mapping.h | File | 547 B | 0644 |
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elf.h | File | 3.2 KB | 0644 |
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entry.h | File | 2.6 KB | 0644 |
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io.h | File | 1.72 KB | 0644 |
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irq.h | File | 907 B | 0644 |
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irqflags.h | File | 1.75 KB | 0644 |
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kgdb.h | File | 1.88 KB | 0644 |
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linkage.h | File | 809 B | 0644 |
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mmu.h | File | 445 B | 0644 |
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mmu_context.h | File | 1.69 KB | 0644 |
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page.h | File | 3.08 KB | 0644 |
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pgalloc.h | File | 1.86 KB | 0644 |
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pgtable-bits.h | File | 1.05 KB | 0644 |
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pgtable.h | File | 7.99 KB | 0644 |
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processor.h | File | 2.18 KB | 0644 |
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ptrace.h | File | 2.29 KB | 0644 |
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registers.h | File | 2.15 KB | 0644 |
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setup.h | File | 1.04 KB | 0644 |
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shmparam.h | File | 804 B | 0644 |
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string.h | File | 618 B | 0644 |
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switch_to.h | File | 866 B | 0644 |
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syscall.h | File | 2.6 KB | 0644 |
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syscalls.h | File | 883 B | 0644 |
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thread_info.h | File | 3.37 KB | 0644 |
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timex.h | File | 912 B | 0644 |
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tlb.h | File | 963 B | 0644 |
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tlbflush.h | File | 1.56 KB | 0644 |
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traps.h | File | 514 B | 0644 |
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uaccess.h | File | 5.18 KB | 0644 |
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