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#ifndef _ASM_SCORE_TLBFLUSH_H
#define _ASM_SCORE_TLBFLUSH_H
#include <linux/mm.h>
/*
* TLB flushing:
*
* - flush_tlb_all() flushes all processes TLB entries
* - flush_tlb_mm(mm) flushes the specified mm context TLB entries
* - flush_tlb_page(vma, vmaddr) flushes one page
* - flush_tlb_range(vma, start, end) flushes a range of pages
* - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
*/
extern void local_flush_tlb_all(void);
extern void local_flush_tlb_mm(struct mm_struct *mm);
extern void local_flush_tlb_range(struct vm_area_struct *vma,
unsigned long start, unsigned long end);
extern void local_flush_tlb_kernel_range(unsigned long start,
unsigned long end);
extern void local_flush_tlb_page(struct vm_area_struct *vma,
unsigned long page);
extern void local_flush_tlb_one(unsigned long vaddr);
#define flush_tlb_all() local_flush_tlb_all()
#define flush_tlb_mm(mm) local_flush_tlb_mm(mm)
#define flush_tlb_range(vma, vmaddr, end) \
local_flush_tlb_range(vma, vmaddr, end)
#define flush_tlb_kernel_range(vmaddr, end) \
local_flush_tlb_kernel_range(vmaddr, end)
#define flush_tlb_page(vma, page) local_flush_tlb_page(vma, page)
#define flush_tlb_one(vaddr) local_flush_tlb_one(vaddr)
#ifndef __ASSEMBLY__
static inline unsigned long pevn_get(void)
{
unsigned long val;
__asm__ __volatile__(
"mfcr %0, cr11\n"
"nop\nnop\n"
: "=r" (val));
return val;
}
static inline void pevn_set(unsigned long val)
{
__asm__ __volatile__(
"mtcr %0, cr11\n"
"nop\nnop\nnop\nnop\nnop\n"
: : "r" (val));
}
static inline void pectx_set(unsigned long val)
{
__asm__ __volatile__(
"mtcr %0, cr12\n"
"nop\nnop\nnop\nnop\nnop\n"
: : "r" (val));
}
static inline unsigned long pectx_get(void)
{
unsigned long val;
__asm__ __volatile__(
"mfcr %0, cr12\n"
"nop\nnop\n"
: "=r" (val));
return val;
}
static inline unsigned long tlblock_get(void)
{
unsigned long val;
__asm__ __volatile__(
"mfcr %0, cr7\n"
"nop\nnop\n"
: "=r" (val));
return val;
}
static inline void tlblock_set(unsigned long val)
{
__asm__ __volatile__(
"mtcr %0, cr7\n"
"nop\nnop\nnop\nnop\nnop\n"
: : "r" (val));
}
static inline void tlbpt_set(unsigned long val)
{
__asm__ __volatile__(
"mtcr %0, cr8\n"
"nop\nnop\nnop\nnop\nnop\n"
: : "r" (val));
}
static inline long tlbpt_get(void)
{
long val;
__asm__ __volatile__(
"mfcr %0, cr8\n"
"nop\nnop\n"
: "=r" (val));
return val;
}
static inline void peaddr_set(unsigned long val)
{
__asm__ __volatile__(
"mtcr %0, cr9\n"
"nop\nnop\nnop\nnop\nnop\n"
: : "r" (val));
}
/* TLB operations. */
static inline void tlb_probe(void)
{
__asm__ __volatile__("stlb;nop;nop;nop;nop;nop");
}
static inline void tlb_read(void)
{
__asm__ __volatile__("mftlb;nop;nop;nop;nop;nop");
}
static inline void tlb_write_indexed(void)
{
__asm__ __volatile__("mtptlb;nop;nop;nop;nop;nop");
}
static inline void tlb_write_random(void)
{
__asm__ __volatile__("mtrtlb;nop;nop;nop;nop;nop");
}
#endif /* Not __ASSEMBLY__ */
#endif /* _ASM_SCORE_TLBFLUSH_H */