Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  * Copyright (C) 2008-2009 PetaLogix
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Copyright (C) 2006 Atmark Techno, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #ifndef _ASM_MICROBLAZE_TLBFLUSH_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #define _ASM_MICROBLAZE_TLBFLUSH_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #ifdef CONFIG_MMU
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/sched.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/threads.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <asm/processor.h>	/* For TASK_SIZE */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <asm/mmu.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <asm/page.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) extern void _tlbie(unsigned long address);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) extern void _tlbia(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define __tlbia()	{ preempt_disable(); _tlbia(); preempt_enable(); }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define __tlbie(x)	{ _tlbie(x); }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) static inline void local_flush_tlb_all(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	{ __tlbia(); }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) static inline void local_flush_tlb_mm(struct mm_struct *mm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	{ __tlbia(); }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) static inline void local_flush_tlb_page(struct vm_area_struct *vma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 				unsigned long vmaddr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	{ __tlbie(vmaddr); }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) static inline void local_flush_tlb_range(struct vm_area_struct *vma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 		unsigned long start, unsigned long end)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	{ __tlbia(); }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define flush_tlb_kernel_range(start, end)	do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define update_mmu_cache(vma, addr, ptep)	do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define flush_tlb_all local_flush_tlb_all
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #define flush_tlb_mm local_flush_tlb_mm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #define flush_tlb_page local_flush_tlb_page
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define flush_tlb_range local_flush_tlb_range
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)  * This is called in munmap when we have freed up some page-table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)  * pages.  We don't need to do anything here, there's nothing special
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)  * about our page-table pages.  -- paulus
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) static inline void flush_tlb_pgtables(struct mm_struct *mm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	unsigned long start, unsigned long end) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #else /* CONFIG_MMU */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #define flush_tlb()				BUG()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #define flush_tlb_all()				BUG()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define flush_tlb_mm(mm)			BUG()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #define flush_tlb_page(vma, addr)		BUG()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #define flush_tlb_range(mm, start, end)		BUG()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define flush_tlb_pgtables(mm, start, end)	BUG()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #define flush_tlb_kernel_range(start, end)	BUG()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #endif /* CONFIG_MMU */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #endif /* _ASM_MICROBLAZE_TLBFLUSH_H */