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15#include <linux/linkage.h>
16#include <linux/init.h>
17#include <asm/assembler.h>
18#include <asm/asm-offsets.h>
19#include <asm/tlbflush.h>
20#include "proc-macros.S"
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31 .align 5
32ENTRY(v4wbi_flush_user_tlb_range)
33 vma_vm_mm ip, r2
34 act_mm r3 @ get current->active_mm
35 eors r3, ip, r3 @ == mm ?
36 retne lr @ no, we dont do anything
37 mov r3,
38 mcr p15, 0, r3, c7, c10, 4 @ drain WB
39 vma_vm_flags r2, r2
40 bic r0, r0,
41 bic r0, r0,
421: tst r2,
43 mcrne p15, 0, r0, c8, c5, 1 @ invalidate I TLB entry
44 mcr p15, 0, r0, c8, c6, 1 @ invalidate D TLB entry
45 add r0, r0,
46 cmp r0, r1
47 blo 1b
48 ret lr
49
50ENTRY(v4wbi_flush_kern_tlb_range)
51 mov r3,
52 mcr p15, 0, r3, c7, c10, 4 @ drain WB
53 bic r0, r0,
54 bic r0, r0,
551: mcr p15, 0, r0, c8, c5, 1 @ invalidate I TLB entry
56 mcr p15, 0, r0, c8, c6, 1 @ invalidate D TLB entry
57 add r0, r0,
58 cmp r0, r1
59 blo 1b
60 ret lr
61
62 __INITDATA
63
64
65 define_tlb_functions v4wbi, v4wbi_tlb_flags
66