43 lines
1.0 KiB
C
43 lines
1.0 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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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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#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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