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19#include <linux/linkage.h>
20#include <linux/init.h>
21#include <asm/assembler.h>
22#include <asm/asm-offsets.h>
23#include <asm/tlbflush.h>
24#include "proc-macros.S"
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36 .align 4
37ENTRY(fa_flush_user_tlb_range)
38 vma_vm_mm ip, r2
39 act_mm r3 @ get current->active_mm
40 eors r3, ip, r3 @ == mm ?
41 retne lr @ no, we dont do anything
42 mov r3,
43 mcr p15, 0, r3, c7, c10, 4 @ drain WB
44 bic r0, r0,
45 bic r0, r0,
461: mcr p15, 0, r0, c8, c7, 1 @ invalidate UTLB entry
47 add r0, r0,
48 cmp r0, r1
49 blo 1b
50 mcr p15, 0, r3, c7, c10, 4 @ data write barrier
51 ret lr
52
53
54ENTRY(fa_flush_kern_tlb_range)
55 mov r3,
56 mcr p15, 0, r3, c7, c10, 4 @ drain WB
57 bic r0, r0,
58 bic r0, r0,
591: mcr p15, 0, r0, c8, c7, 1 @ invalidate UTLB entry
60 add r0, r0,
61 cmp r0, r1
62 blo 1b
63 mcr p15, 0, r3, c7, c10, 4 @ data write barrier
64 mcr p15, 0, r3, c7, c5, 4 @ prefetch flush (isb)
65 ret lr
66
67 __INITDATA
68
69
70 define_tlb_functions fa, fa_tlb_flags
71