mirror of
				https://github.com/AetherDroid/android_kernel_samsung_on5xelte.git
				synced 2025-10-31 08:08:51 +01:00 
			
		
		
		
	Fixed MTP to work with TWRP
This commit is contained in:
		
						commit
						f6dfaef42e
					
				
					 50820 changed files with 20846062 additions and 0 deletions
				
			
		
							
								
								
									
										97
									
								
								arch/m32r/include/asm/tlbflush.h
									
										
									
									
									
										Normal file
									
								
							
							
						
						
									
										97
									
								
								arch/m32r/include/asm/tlbflush.h
									
										
									
									
									
										Normal file
									
								
							|  | @ -0,0 +1,97 @@ | |||
| #ifndef _ASM_M32R_TLBFLUSH_H | ||||
| #define _ASM_M32R_TLBFLUSH_H | ||||
| 
 | ||||
| #include <asm/m32r.h> | ||||
| 
 | ||||
| /*
 | ||||
|  * TLB flushing: | ||||
|  * | ||||
|  *  - flush_tlb() flushes the current mm struct TLBs | ||||
|  *  - flush_tlb_all() flushes all processes TLBs | ||||
|  *  - flush_tlb_mm(mm) flushes the specified mm context TLB's | ||||
|  *  - 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 *); | ||||
| extern void local_flush_tlb_page(struct vm_area_struct *, unsigned long); | ||||
| extern void local_flush_tlb_range(struct vm_area_struct *, unsigned long, | ||||
| 	unsigned long); | ||||
| 
 | ||||
| #ifndef CONFIG_SMP | ||||
| #ifdef CONFIG_MMU | ||||
| #define flush_tlb_all()			local_flush_tlb_all() | ||||
| #define flush_tlb_mm(mm)		local_flush_tlb_mm(mm) | ||||
| #define flush_tlb_page(vma, page)	local_flush_tlb_page(vma, page) | ||||
| #define flush_tlb_range(vma, start, end)	\ | ||||
| 	local_flush_tlb_range(vma, start, end) | ||||
| #define flush_tlb_kernel_range(start, end)	local_flush_tlb_all() | ||||
| #else	/* CONFIG_MMU */ | ||||
| #define flush_tlb_all()			do { } while (0) | ||||
| #define flush_tlb_mm(mm)		do { } while (0) | ||||
| #define flush_tlb_page(vma, vmaddr)	do { } while (0) | ||||
| #define flush_tlb_range(vma, start, end)	do { } while (0) | ||||
| #endif	/* CONFIG_MMU */ | ||||
| #else	/* CONFIG_SMP */ | ||||
| extern void smp_flush_tlb_all(void); | ||||
| extern void smp_flush_tlb_mm(struct mm_struct *); | ||||
| extern void smp_flush_tlb_page(struct vm_area_struct *, unsigned long); | ||||
| extern void smp_flush_tlb_range(struct vm_area_struct *, unsigned long, | ||||
| 	unsigned long); | ||||
| 
 | ||||
| #define flush_tlb_all()			smp_flush_tlb_all() | ||||
| #define flush_tlb_mm(mm)		smp_flush_tlb_mm(mm) | ||||
| #define flush_tlb_page(vma, page)	smp_flush_tlb_page(vma, page) | ||||
| #define flush_tlb_range(vma, start, end)	\ | ||||
| 	smp_flush_tlb_range(vma, start, end) | ||||
| #define flush_tlb_kernel_range(start, end)	smp_flush_tlb_all() | ||||
| #endif	/* CONFIG_SMP */ | ||||
| 
 | ||||
| static __inline__ void __flush_tlb_page(unsigned long page) | ||||
| { | ||||
| 	unsigned int tmpreg0, tmpreg1, tmpreg2; | ||||
| 
 | ||||
| 	__asm__ __volatile__ ( | ||||
| 		"seth	%0, #high(%4)	\n\t" | ||||
| 		"st	%3, @(%5, %0)	\n\t" | ||||
| 		"ldi	%1, #1		\n\t" | ||||
| 		"st	%1, @(%6, %0)	\n\t" | ||||
| 		"add3	%1, %0, %7	\n\t" | ||||
| 		".fillinsn		\n" | ||||
| 		"1:			\n\t" | ||||
| 		"ld	%2, @(%6, %0)	\n\t" | ||||
| 		"bnez	%2, 1b		\n\t" | ||||
| 		"ld	%0, @%1+	\n\t" | ||||
| 		"ld	%1, @%1		\n\t" | ||||
| 		"st	%2, @+%0	\n\t" | ||||
| 		"st	%2, @+%1	\n\t" | ||||
| 		: "=&r" (tmpreg0), "=&r" (tmpreg1), "=&r" (tmpreg2) | ||||
| 		: "r" (page), "i" (MMU_REG_BASE), "i" (MSVA_offset), | ||||
| 		"i" (MTOP_offset), "i" (MIDXI_offset) | ||||
| 		: "memory" | ||||
| 	); | ||||
| } | ||||
| 
 | ||||
| static __inline__ void __flush_tlb_all(void) | ||||
| { | ||||
| 	unsigned int tmpreg0, tmpreg1; | ||||
| 
 | ||||
| 	__asm__ __volatile__ ( | ||||
| 		"seth	%0, #high(%2)		\n\t" | ||||
| 		"or3	%0, %0, #low(%2)	\n\t" | ||||
| 		"ldi	%1, #0xc		\n\t" | ||||
| 		"st	%1, @%0			\n\t" | ||||
| 		".fillinsn			\n" | ||||
| 		"1:				\n\t" | ||||
| 		"ld	%1, @%0			\n\t" | ||||
| 		"bnez	%1, 1b			\n\t" | ||||
| 		: "=&r" (tmpreg0), "=&r" (tmpreg1) | ||||
| 		: "i" (MTOP) : "memory" | ||||
| 	); | ||||
| } | ||||
| 
 | ||||
| extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t *); | ||||
| 
 | ||||
| #endif	/* _ASM_M32R_TLBFLUSH_H */ | ||||
		Loading…
	
	Add table
		Add a link
		
	
		Reference in a new issue
	
	 awab228
						awab228