/* SPDX-License-Identifier: GPL-2.0 */ #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 */
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m32104ut | Folder | 0755 |
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m32700ut | Folder | 0755 |
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mappi2 | Folder | 0755 |
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mappi3 | Folder | 0755 |
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opsput | Folder | 0755 |
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Kbuild | File | 318 B | 0644 |
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addrspace.h | File | 1.67 KB | 0644 |
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asm-offsets.h | File | 35 B | 0644 |
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assembler.h | File | 4.2 KB | 0644 |
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atomic.h | File | 6.29 KB | 0644 |
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barrier.h | File | 506 B | 0644 |
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bitops.h | File | 6.23 KB | 0644 |
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bug.h | File | 115 B | 0644 |
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bugs.h | File | 410 B | 0644 |
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cache.h | File | 222 B | 0644 |
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cachectl.h | File | 739 B | 0644 |
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cacheflush.h | File | 3.2 KB | 0644 |
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checksum.h | File | 4.83 KB | 0644 |
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cmpxchg.h | File | 4.86 KB | 0644 |
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dcache_clear.h | File | 1.01 KB | 0644 |
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delay.h | File | 31 B | 0644 |
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device.h | File | 148 B | 0644 |
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div64.h | File | 31 B | 0644 |
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dma-mapping.h | File | 570 B | 0644 |
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dma.h | File | 281 B | 0644 |
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elf.h | File | 3.64 KB | 0644 |
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emergency-restart.h | File | 188 B | 0644 |
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fb.h | File | 414 B | 0644 |
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flat.h | File | 4.2 KB | 0644 |
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ftrace.h | File | 12 B | 0644 |
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futex.h | File | 82 B | 0644 |
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hardirq.h | File | 214 B | 0644 |
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hw_irq.h | File | 87 B | 0644 |
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io.h | File | 6.44 KB | 0644 |
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irq.h | File | 2.94 KB | 0644 |
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irq_regs.h | File | 34 B | 0644 |
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irqflags.h | File | 2.24 KB | 0644 |
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kdebug.h | File | 32 B | 0644 |
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kmap_types.h | File | 251 B | 0644 |
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linkage.h | File | 177 B | 0644 |
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local.h | File | 7.8 KB | 0644 |
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local64.h | File | 33 B | 0644 |
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m32102.h | File | 14.71 KB | 0644 |
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m32r.h | File | 5.7 KB | 0644 |
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m32r_mp_fpga.h | File | 14.89 KB | 0644 |
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mc146818rtc.h | File | 671 B | 0644 |
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mmu.h | File | 403 B | 0644 |
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mmu_context.h | File | 4.23 KB | 0644 |
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mmzone.h | File | 1.29 KB | 0644 |
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page.h | File | 2.62 KB | 0644 |
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pci.h | File | 147 B | 0644 |
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percpu.h | File | 165 B | 0644 |
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pgalloc.h | File | 1.84 KB | 0644 |
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pgtable-2level.h | File | 2.31 KB | 0644 |
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pgtable.h | File | 9.7 KB | 0644 |
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processor.h | File | 2.93 KB | 0644 |
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ptrace.h | File | 1.3 KB | 0644 |
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rtc.h | File | 1.99 KB | 0644 |
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s1d13806.h | File | 9.84 KB | 0644 |
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segment.h | File | 228 B | 0644 |
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serial.h | File | 187 B | 0644 |
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setup.h | File | 1022 B | 0644 |
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shmparam.h | File | 197 B | 0644 |
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signal.h | File | 561 B | 0644 |
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smp.h | File | 3.5 KB | 0644 |
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spinlock.h | File | 7.15 KB | 0644 |
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spinlock_types.h | File | 520 B | 0644 |
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string.h | File | 378 B | 0644 |
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switch_to.h | File | 1.48 KB | 0644 |
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syscall.h | File | 252 B | 0644 |
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termios.h | File | 1.74 KB | 0644 |
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thread_info.h | File | 3.71 KB | 0644 |
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timex.h | File | 581 B | 0644 |
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tlb.h | File | 483 B | 0644 |
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tlbflush.h | File | 2.94 KB | 0644 |
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topology.h | File | 167 B | 0644 |
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types.h | File | 258 B | 0644 |
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uaccess.h | File | 15.3 KB | 0644 |
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ucontext.h | File | 321 B | 0644 |
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unaligned.h | File | 592 B | 0644 |
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unistd.h | File | 1.23 KB | 0644 |
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user.h | File | 2.1 KB | 0644 |
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vga.h | File | 436 B | 0644 |
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xor.h | File | 148 B | 0644 |
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