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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/unicore32/include/asm/cpu-single.h
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/*

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 * linux/arch/unicore32/include/asm/cpu-single.h

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 *

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 * Code specific to PKUnity SoC and UniCore ISA

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 *

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 * Copyright (C) 2001-2010 GUAN Xue-tao

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 *

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 * This program is free software; you can redistribute it and/or modify

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 * it under the terms of the GNU General Public License version 2 as

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 * published by the Free Software Foundation.

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 */

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#ifndef __UNICORE_CPU_SINGLE_H__

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#define __UNICORE_CPU_SINGLE_H__

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#include <asm/page.h>

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#include <asm/memory.h>

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#ifdef __KERNEL__

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#ifndef __ASSEMBLY__

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#define cpu_switch_mm(pgd, mm) cpu_do_switch_mm(virt_to_phys(pgd), mm)

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#define cpu_get_pgd()					\

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	({						\

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		unsigned long pg;			\

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		__asm__("movc	%0, p0.c2, #0"		\

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			 : "=r" (pg) : : "cc");		\

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		pg &= ~0x0fff;				\

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		(pgd_t *)phys_to_virt(pg);		\

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	})

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struct mm_struct;

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/* declare all the functions as extern */

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extern void cpu_proc_fin(void);

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extern int cpu_do_idle(void);

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extern void cpu_dcache_clean_area(void *, int);

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extern void cpu_do_switch_mm(unsigned long pgd_phys, struct mm_struct *mm);

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extern void cpu_set_pte(pte_t *ptep, pte_t pte);

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extern void cpu_reset(unsigned long addr) __attribute__((noreturn));

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#endif /* __ASSEMBLY__ */

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#endif /* __KERNEL__ */

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#endif /* __UNICORE_CPU_SINGLE_H__ */

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