ad1ae2fe7f
L_PTE_ASID is not really required to be stored in every PTE, since we can identify it via the address passed to set_pte_at(). So, create set_pte_ext() which takes the address of the PTE to set, the Linux PTE value, and the additional CPU PTE bits which aren't encoded in the Linux PTE value. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
44 lines
1.4 KiB
C
44 lines
1.4 KiB
C
/*
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* linux/include/asm-arm/cpu-single.h
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*
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* Copyright (C) 2000 Russell King
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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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/*
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* Single CPU
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*/
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#ifdef __STDC__
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#define __catify_fn(name,x) name##x
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#else
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#define __catify_fn(name,x) name/**/x
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#endif
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#define __cpu_fn(name,x) __catify_fn(name,x)
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/*
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* If we are supporting multiple CPUs, then we must use a table of
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* function pointers for this lot. Otherwise, we can optimise the
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* table away.
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*/
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#define cpu_proc_init __cpu_fn(CPU_NAME,_proc_init)
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#define cpu_proc_fin __cpu_fn(CPU_NAME,_proc_fin)
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#define cpu_reset __cpu_fn(CPU_NAME,_reset)
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#define cpu_do_idle __cpu_fn(CPU_NAME,_do_idle)
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#define cpu_dcache_clean_area __cpu_fn(CPU_NAME,_dcache_clean_area)
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#define cpu_do_switch_mm __cpu_fn(CPU_NAME,_switch_mm)
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#define cpu_set_pte_ext __cpu_fn(CPU_NAME,_set_pte_ext)
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#include <asm/page.h>
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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_init(void);
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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_ext(pte_t *ptep, pte_t pte, unsigned int ext);
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extern void cpu_reset(unsigned long addr) __attribute__((noreturn));
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