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>
65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
/*
|
|
* linux/include/asm-arm/cpu-multi32.h
|
|
*
|
|
* Copyright (C) 2000 Russell King
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
#include <asm/page.h>
|
|
|
|
struct mm_struct;
|
|
|
|
/*
|
|
* Don't change this structure - ASM code
|
|
* relies on it.
|
|
*/
|
|
extern struct processor {
|
|
/* MISC
|
|
* get data abort address/flags
|
|
*/
|
|
void (*_data_abort)(unsigned long pc);
|
|
/*
|
|
* Set up any processor specifics
|
|
*/
|
|
void (*_proc_init)(void);
|
|
/*
|
|
* Disable any processor specifics
|
|
*/
|
|
void (*_proc_fin)(void);
|
|
/*
|
|
* Special stuff for a reset
|
|
*/
|
|
void (*reset)(unsigned long addr) __attribute__((noreturn));
|
|
/*
|
|
* Idle the processor
|
|
*/
|
|
int (*_do_idle)(void);
|
|
/*
|
|
* Processor architecture specific
|
|
*/
|
|
/*
|
|
* clean a virtual address range from the
|
|
* D-cache without flushing the cache.
|
|
*/
|
|
void (*dcache_clean_area)(void *addr, int size);
|
|
|
|
/*
|
|
* Set the page table
|
|
*/
|
|
void (*switch_mm)(unsigned long pgd_phys, struct mm_struct *mm);
|
|
/*
|
|
* Set a possibly extended PTE. Non-extended PTEs should
|
|
* ignore 'ext'.
|
|
*/
|
|
void (*set_pte_ext)(pte_t *ptep, pte_t pte, unsigned int ext);
|
|
} processor;
|
|
|
|
#define cpu_proc_init() processor._proc_init()
|
|
#define cpu_proc_fin() processor._proc_fin()
|
|
#define cpu_reset(addr) processor.reset(addr)
|
|
#define cpu_do_idle() processor._do_idle()
|
|
#define cpu_dcache_clean_area(addr,sz) processor.dcache_clean_area(addr,sz)
|
|
#define cpu_set_pte_ext(ptep,pte,ext) processor.set_pte_ext(ptep,pte,ext)
|
|
#define cpu_do_switch_mm(pgd,mm) processor.switch_mm(pgd,mm)
|