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) // Copyright (C) 2005-2017 Andes Technology Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) #ifndef _ASMNDS32_TLBFLUSH_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #define _ASMNDS32_TLBFLUSH_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #include <linux/spinlock.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include <linux/mm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <nds32_intrinsic.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) static inline void local_flush_tlb_all(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	__nds32__tlbop_flua();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	__nds32__isb();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) static inline void local_flush_tlb_mm(struct mm_struct *mm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	__nds32__tlbop_flua();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	__nds32__isb();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) static inline void local_flush_tlb_kernel_range(unsigned long start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 						unsigned long end)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	while (start < end) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 		__nds32__tlbop_inv(start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 		__nds32__isb();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 		start += PAGE_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) void local_flush_tlb_range(struct vm_area_struct *vma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 			   unsigned long start, unsigned long end);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define flush_tlb_all		local_flush_tlb_all
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define flush_tlb_mm		local_flush_tlb_mm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define flush_tlb_range		local_flush_tlb_range
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define flush_tlb_page		local_flush_tlb_page
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #define flush_tlb_kernel_range	local_flush_tlb_kernel_range
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) void update_mmu_cache(struct vm_area_struct *vma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 		      unsigned long address, pte_t * pte);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #endif