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Line 38... | Line 38... | ||
38 | #include <mm/tlb.h> |
38 | #include <mm/tlb.h> |
39 | #include <mm/as.h> |
39 | #include <mm/as.h> |
40 | #include <arch.h> |
40 | #include <arch.h> |
41 | #include <symtab.h> |
41 | #include <symtab.h> |
42 | #include <proc/thread.h> |
42 | #include <proc/thread.h> |
- | 43 | #include <proc/task.h> |
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- | 44 | #include <synch/spinlock.h> |
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- | 45 | #include <arch/ddi/ddi.h> |
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43 | 46 | ||
44 | /* |
47 | /* |
45 | * Interrupt and exception dispatching. |
48 | * Interrupt and exception dispatching. |
46 | */ |
49 | */ |
47 | 50 | ||
Line 76... | Line 79... | ||
76 | { |
79 | { |
77 | PRINT_INFO_ERRCODE(istate); |
80 | PRINT_INFO_ERRCODE(istate); |
78 | panic("unserviced interrupt: %d\n", n); |
81 | panic("unserviced interrupt: %d\n", n); |
79 | } |
82 | } |
80 | 83 | ||
- | 84 | /** General Protection Fault. */ |
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81 | void gp_fault(int n, istate_t *istate) |
85 | void gp_fault(int n, istate_t *istate) |
82 | { |
86 | { |
- | 87 | if (TASK) { |
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- | 88 | count_t ver; |
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- | 89 | ||
- | 90 | spinlock_lock(&TASK->lock); |
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- | 91 | ver = TASK->arch.iomapver; |
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- | 92 | spinlock_unlock(&TASK->lock); |
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- | 93 | ||
- | 94 | if (CPU->arch.iomapver_copy != ver) { |
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- | 95 | /* |
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- | 96 | * This fault can be caused by an early access |
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- | 97 | * to I/O port because of an out-dated |
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- | 98 | * I/O Permission bitmap installed on CPU. |
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- | 99 | * Install the fresh copy and restart |
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- | 100 | * the instruction. |
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- | 101 | */ |
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- | 102 | io_perm_bitmap_install(); |
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- | 103 | return; |
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- | 104 | } |
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- | 105 | } |
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- | 106 | ||
83 | PRINT_INFO_ERRCODE(istate); |
107 | PRINT_INFO_ERRCODE(istate); |
84 | panic("general protection fault\n"); |
108 | panic("general protection fault\n"); |
85 | } |
109 | } |
86 | 110 | ||
87 | void ss_fault(int n, istate_t *istate) |
111 | void ss_fault(int n, istate_t *istate) |