Changeset cc205f1 in mainline for arch/mips32/include/mm/tlb.h


Ignore:
Timestamp:
2005-10-06T12:45:22Z (20 years ago)
Author:
Jakub Jermar <jakub@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
fd3c9e5
Parents:
bca1b47
Message:

Add mm/mapping1 test.
(Will not make it past TLB Invalid exception on mips32.)
Fixes in asid.c.
Make TLB register types union with u32 value.
Implement tlb_invalidate() for mips32.
(TLB invalidation and shootdown path will have to be revised.)

File:
1 edited

Legend:

Unmodified
Added
Removed

  • arch/mips32/include/mm/tlb.h

    rbca1b47 rcc205f1  
    4242#define PAGE_CACHEABLE_EXC_WRITE        5
    4343
    44 struct entry_lo {
    45         unsigned g : 1;         /* global bit */
    46         unsigned v : 1;         /* valid bit */
    47         unsigned d : 1;         /* dirty/write-protect bit */
    48         unsigned c : 3;         /* cache coherency attribute */
    49         unsigned pfn : 24;      /* frame number */
    50         unsigned zero: 2;       /* zero */
    51 } __attribute__ ((packed));
     44union entry_lo {
     45        struct {
     46                unsigned g : 1;         /* global bit */
     47                unsigned v : 1;         /* valid bit */
     48                unsigned d : 1;         /* dirty/write-protect bit */
     49                unsigned c : 3;         /* cache coherency attribute */
     50                unsigned pfn : 24;      /* frame number */
     51                unsigned zero: 2;       /* zero */
     52        } __attribute__ ((packed));
     53        __u32 value;
     54};
    5255
    5356struct pte {
    … …  
    6164} __attribute__ ((packed));
    6265
    63 struct entry_hi {
    64         unsigned asid : 8;
    65         unsigned : 5;
    66         unsigned vpn2 : 19;
    67 } __attribute__ ((packed));
     66union entry_hi {
     67        struct {
     68                unsigned asid : 8;
     69                unsigned : 5;
     70                unsigned vpn2 : 19;
     71        } __attribute__ ((packed));
     72        __u32 value;
     73};
    6874
    69 struct page_mask {
    70         unsigned : 13;
    71         unsigned mask : 12;
    72         unsigned : 7;
    73 } __attribute__ ((packed));
     75union page_mask {
     76        struct {
     77                unsigned : 13;
     78                unsigned mask : 12;
     79                unsigned : 7;
     80        } __attribute__ ((packed));
     81        __u32 value;
     82};
    7483
    75 struct index {
    76         unsigned index : 4;
    77         unsigned : 27;
    78         unsigned p : 1;
    79 } __attribute__ ((packed));
     84union index {
     85        struct {
     86                unsigned index : 4;
     87                unsigned : 27;
     88                unsigned p : 1;
     89        } __attribute__ ((packed));
     90        __u32 value;
     91};
     92
     93typedef union entry_lo entry_lo_t;
     94typedef union entry_hi entry_hi_t;
     95typedef union page_mask page_mask_t;
     96typedef union index tlb_index_t;
    8097
    8198/** Probe TLB for Matching Entry
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