diff options
author | Hirokazu Takata <takata@linux-m32r.org> | 2008-11-27 12:46:48 -0500 |
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committer | Hirokazu Takata <takata@linux-m32r.org> | 2009-04-16 21:05:01 -0400 |
commit | fe4e719d82c4052751d2287de4bd18bd04e93685 (patch) | |
tree | 3a120e25626becf138f523a356422c0cdf9804c7 /include/asm-m32r/tlbflush.h | |
parent | 20d9207849d5abe60461841b3c3724f6e7c9d33e (diff) |
m32r: move include/asm-m32r headers to arch/m32r/include/asm
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
Diffstat (limited to 'include/asm-m32r/tlbflush.h')
-rw-r--r-- | include/asm-m32r/tlbflush.h | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/include/asm-m32r/tlbflush.h b/include/asm-m32r/tlbflush.h deleted file mode 100644 index 0ef95307784e..000000000000 --- a/include/asm-m32r/tlbflush.h +++ /dev/null | |||
@@ -1,97 +0,0 @@ | |||
1 | #ifndef _ASM_M32R_TLBFLUSH_H | ||
2 | #define _ASM_M32R_TLBFLUSH_H | ||
3 | |||
4 | #include <asm/m32r.h> | ||
5 | |||
6 | /* | ||
7 | * TLB flushing: | ||
8 | * | ||
9 | * - flush_tlb() flushes the current mm struct TLBs | ||
10 | * - flush_tlb_all() flushes all processes TLBs | ||
11 | * - flush_tlb_mm(mm) flushes the specified mm context TLB's | ||
12 | * - flush_tlb_page(vma, vmaddr) flushes one page | ||
13 | * - flush_tlb_range(vma, start, end) flushes a range of pages | ||
14 | * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages | ||
15 | */ | ||
16 | |||
17 | extern void local_flush_tlb_all(void); | ||
18 | extern void local_flush_tlb_mm(struct mm_struct *); | ||
19 | extern void local_flush_tlb_page(struct vm_area_struct *, unsigned long); | ||
20 | extern void local_flush_tlb_range(struct vm_area_struct *, unsigned long, | ||
21 | unsigned long); | ||
22 | |||
23 | #ifndef CONFIG_SMP | ||
24 | #ifdef CONFIG_MMU | ||
25 | #define flush_tlb_all() local_flush_tlb_all() | ||
26 | #define flush_tlb_mm(mm) local_flush_tlb_mm(mm) | ||
27 | #define flush_tlb_page(vma, page) local_flush_tlb_page(vma, page) | ||
28 | #define flush_tlb_range(vma, start, end) \ | ||
29 | local_flush_tlb_range(vma, start, end) | ||
30 | #define flush_tlb_kernel_range(start, end) local_flush_tlb_all() | ||
31 | #else /* CONFIG_MMU */ | ||
32 | #define flush_tlb_all() do { } while (0) | ||
33 | #define flush_tlb_mm(mm) do { } while (0) | ||
34 | #define flush_tlb_page(vma, vmaddr) do { } while (0) | ||
35 | #define flush_tlb_range(vma, start, end) do { } while (0) | ||
36 | #endif /* CONFIG_MMU */ | ||
37 | #else /* CONFIG_SMP */ | ||
38 | extern void smp_flush_tlb_all(void); | ||
39 | extern void smp_flush_tlb_mm(struct mm_struct *); | ||
40 | extern void smp_flush_tlb_page(struct vm_area_struct *, unsigned long); | ||
41 | extern void smp_flush_tlb_range(struct vm_area_struct *, unsigned long, | ||
42 | unsigned long); | ||
43 | |||
44 | #define flush_tlb_all() smp_flush_tlb_all() | ||
45 | #define flush_tlb_mm(mm) smp_flush_tlb_mm(mm) | ||
46 | #define flush_tlb_page(vma, page) smp_flush_tlb_page(vma, page) | ||
47 | #define flush_tlb_range(vma, start, end) \ | ||
48 | smp_flush_tlb_range(vma, start, end) | ||
49 | #define flush_tlb_kernel_range(start, end) smp_flush_tlb_all() | ||
50 | #endif /* CONFIG_SMP */ | ||
51 | |||
52 | static __inline__ void __flush_tlb_page(unsigned long page) | ||
53 | { | ||
54 | unsigned int tmpreg0, tmpreg1, tmpreg2; | ||
55 | |||
56 | __asm__ __volatile__ ( | ||
57 | "seth %0, #high(%4) \n\t" | ||
58 | "st %3, @(%5, %0) \n\t" | ||
59 | "ldi %1, #1 \n\t" | ||
60 | "st %1, @(%6, %0) \n\t" | ||
61 | "add3 %1, %0, %7 \n\t" | ||
62 | ".fillinsn \n" | ||
63 | "1: \n\t" | ||
64 | "ld %2, @(%6, %0) \n\t" | ||
65 | "bnez %2, 1b \n\t" | ||
66 | "ld %0, @%1+ \n\t" | ||
67 | "ld %1, @%1 \n\t" | ||
68 | "st %2, @+%0 \n\t" | ||
69 | "st %2, @+%1 \n\t" | ||
70 | : "=&r" (tmpreg0), "=&r" (tmpreg1), "=&r" (tmpreg2) | ||
71 | : "r" (page), "i" (MMU_REG_BASE), "i" (MSVA_offset), | ||
72 | "i" (MTOP_offset), "i" (MIDXI_offset) | ||
73 | : "memory" | ||
74 | ); | ||
75 | } | ||
76 | |||
77 | static __inline__ void __flush_tlb_all(void) | ||
78 | { | ||
79 | unsigned int tmpreg0, tmpreg1; | ||
80 | |||
81 | __asm__ __volatile__ ( | ||
82 | "seth %0, #high(%2) \n\t" | ||
83 | "or3 %0, %0, #low(%2) \n\t" | ||
84 | "ldi %1, #0xc \n\t" | ||
85 | "st %1, @%0 \n\t" | ||
86 | ".fillinsn \n" | ||
87 | "1: \n\t" | ||
88 | "ld %1, @%0 \n\t" | ||
89 | "bnez %1, 1b \n\t" | ||
90 | : "=&r" (tmpreg0), "=&r" (tmpreg1) | ||
91 | : "i" (MTOP) : "memory" | ||
92 | ); | ||
93 | } | ||
94 | |||
95 | extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t); | ||
96 | |||
97 | #endif /* _ASM_M32R_TLBFLUSH_H */ | ||