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e2fdd7fd DM |
1 | #ifdef CONFIG_KGDB |
2 | .globl arch_kgdb_breakpoint | |
3 | .type arch_kgdb_breakpoint,#function | |
4 | arch_kgdb_breakpoint: | |
5 | ta 0x72 | |
6 | retl | |
7 | nop | |
8 | .size arch_kgdb_breakpoint,.-arch_kgdb_breakpoint | |
9 | #endif | |
10 | ||
6eda3a75 DM |
11 | .type __do_privact,#function |
12 | __do_privact: | |
13 | mov TLB_SFSR, %g3 | |
14 | stxa %g0, [%g3] ASI_DMMU ! Clear FaultValid bit | |
15 | membar #Sync | |
16 | sethi %hi(109f), %g7 | |
17 | ba,pt %xcc, etrap | |
18 | 109: or %g7, %lo(109b), %g7 | |
19 | call do_privact | |
20 | add %sp, PTREGS_OFF, %o0 | |
21 | ba,pt %xcc, rtrap | |
22 | nop | |
23 | .size __do_privact,.-__do_privact | |
24 | ||
25 | .type do_mna,#function | |
26 | do_mna: | |
27 | rdpr %tl, %g3 | |
28 | cmp %g3, 1 | |
29 | ||
30 | /* Setup %g4/%g5 now as they are used in the | |
31 | * winfixup code. | |
32 | */ | |
33 | mov TLB_SFSR, %g3 | |
34 | mov DMMU_SFAR, %g4 | |
35 | ldxa [%g4] ASI_DMMU, %g4 | |
36 | ldxa [%g3] ASI_DMMU, %g5 | |
37 | stxa %g0, [%g3] ASI_DMMU ! Clear FaultValid bit | |
38 | membar #Sync | |
39 | bgu,pn %icc, winfix_mna | |
40 | rdpr %tpc, %g3 | |
41 | ||
42 | 1: sethi %hi(109f), %g7 | |
43 | ba,pt %xcc, etrap | |
44 | 109: or %g7, %lo(109b), %g7 | |
45 | mov %l4, %o1 | |
46 | mov %l5, %o2 | |
47 | call mem_address_unaligned | |
48 | add %sp, PTREGS_OFF, %o0 | |
49 | ba,pt %xcc, rtrap | |
50 | nop | |
51 | .size do_mna,.-do_mna | |
52 | ||
53 | .type do_lddfmna,#function | |
54 | do_lddfmna: | |
55 | sethi %hi(109f), %g7 | |
56 | mov TLB_SFSR, %g4 | |
57 | ldxa [%g4] ASI_DMMU, %g5 | |
58 | stxa %g0, [%g4] ASI_DMMU ! Clear FaultValid bit | |
59 | membar #Sync | |
60 | mov DMMU_SFAR, %g4 | |
61 | ldxa [%g4] ASI_DMMU, %g4 | |
62 | ba,pt %xcc, etrap | |
63 | 109: or %g7, %lo(109b), %g7 | |
64 | mov %l4, %o1 | |
65 | mov %l5, %o2 | |
66 | call handle_lddfmna | |
67 | add %sp, PTREGS_OFF, %o0 | |
68 | ba,pt %xcc, rtrap | |
69 | nop | |
70 | .size do_lddfmna,.-do_lddfmna | |
71 | ||
72 | .type do_stdfmna,#function | |
73 | do_stdfmna: | |
74 | sethi %hi(109f), %g7 | |
75 | mov TLB_SFSR, %g4 | |
76 | ldxa [%g4] ASI_DMMU, %g5 | |
77 | stxa %g0, [%g4] ASI_DMMU ! Clear FaultValid bit | |
78 | membar #Sync | |
79 | mov DMMU_SFAR, %g4 | |
80 | ldxa [%g4] ASI_DMMU, %g4 | |
81 | ba,pt %xcc, etrap | |
82 | 109: or %g7, %lo(109b), %g7 | |
83 | mov %l4, %o1 | |
84 | mov %l5, %o2 | |
85 | call handle_stdfmna | |
86 | add %sp, PTREGS_OFF, %o0 | |
87 | ba,pt %xcc, rtrap | |
88 | nop | |
89 | .size do_stdfmna,.-do_stdfmna | |
90 | ||
91 | .type breakpoint_trap,#function | |
92 | breakpoint_trap: | |
93 | call sparc_breakpoint | |
94 | add %sp, PTREGS_OFF, %o0 | |
95 | ba,pt %xcc, rtrap | |
96 | nop | |
97 | .size breakpoint_trap,.-breakpoint_trap |