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| Rev 955 | Rev 958 | ||
|---|---|---|---|
| Line 47... | Line 47... | ||
| 47 | 47 | ||
| 48 | void (* disable_irqs_function)(__u16 irqmask) = NULL; |
48 | void (* disable_irqs_function)(__u16 irqmask) = NULL; |
| 49 | void (* enable_irqs_function)(__u16 irqmask) = NULL; |
49 | void (* enable_irqs_function)(__u16 irqmask) = NULL; |
| 50 | void (* eoi_function)(void) = NULL; |
50 | void (* eoi_function)(void) = NULL; |
| 51 | 51 | ||
| 52 | #define PRINT_INFO_ERRCODE(st) { \ |
52 | #define PRINT_INFO_ERRCODE(istate) do { \ |
| 53 | __native *x = (__native *) st; \ |
- | |
| 54 | char *symbol = get_symtab_entry(x[1]); \ |
53 | char *symbol = get_symtab_entry(istate->eip); \ |
| 55 | if (!symbol) \ |
54 | if (!symbol) \ |
| 56 | symbol = ""; \ |
55 | symbol = ""; \ |
| 57 | printf("----------------EXCEPTION OCCURED----------------\n"); \ |
56 | printf("----------------EXCEPTION OCCURED----------------\n"); \ |
| 58 | printf("%%eip: %X (%s)\n",x[1],symbol); \ |
57 | printf("%%eip: %X (%s)\n",istate->eip,symbol); \ |
| 59 | printf("ERROR_WORD=%X\n", x[0]); \ |
58 | printf("ERROR_WORD=%X\n", istate->error_word); \ |
| 60 | printf("%%cs=%X,flags=%X\n", x[2], x[3]); \ |
59 | printf("%%cs=%X,flags=%X\n", istate->cs, istate->eflags); \ |
| 61 | printf("%%eax=%X, %%ebx=%X, %%ecx=%X, %%edx=%X\n",\ |
60 | printf("%%eax=%X, %%ebx=%X, %%ecx=%X, %%edx=%X\n",\ |
| 62 | x[-2],x[-5],x[-3],x[-4]); \ |
61 | istate->eax,istate->ebx,istate->ecx,istate->edx); \ |
| 63 | printf("%%esi=%X, %%edi=%X, %%ebp=%X, %%esp=%X\n",\ |
62 | printf("%%esi=%X, %%edi=%X, %%ebp=%X, %%esp=%X\n",\ |
| 64 | x[-8],x[-9],x[-1],x); \ |
63 | istate->esi,istate->edi,istate->ebp,istate->esp); \ |
| 65 | printf("stack: %X, %X, %X, %X\n", x[4], x[5], x[6], x[7]); \ |
64 | printf("stack: %X, %X, %X, %X\n", istate->stack[0], istate->stack[1], istate->stack[2], istate->stack[3]); \ |
| 66 | printf(" %X, %X, %X, %X\n", x[8], x[9], x[10], x[11]); \ |
65 | printf(" %X, %X, %X, %X\n", istate->stack[4], istate->stack[5], istate->stack[6], istate->stack[7]); \ |
| 67 | } |
66 | } while(0) |
| 68 | 67 | ||
| 69 | void null_interrupt(int n, void *st) |
68 | void null_interrupt(int n, istate_t *istate) |
| 70 | { |
69 | { |
| 71 | __native *stack = (__native *) st; |
70 | PRINT_INFO_ERRCODE(istate); |
| 72 | - | ||
| 73 | printf("int %d: null_interrupt\n", n); |
- | |
| 74 | printf("stack: %L, %L, %L, %L\n", stack[0], stack[1], stack[2], stack[3]); |
- | |
| 75 | panic("unserviced interrupt\n"); |
71 | panic("unserviced interrupt: %d\n", n); |
| 76 | } |
72 | } |
| 77 | 73 | ||
| 78 | void gp_fault(int n, void *stack) |
74 | void gp_fault(int n, istate_t *istate) |
| 79 | { |
75 | { |
| 80 | PRINT_INFO_ERRCODE(stack); |
76 | PRINT_INFO_ERRCODE(istate); |
| 81 | panic("general protection fault\n"); |
77 | panic("general protection fault\n"); |
| 82 | } |
78 | } |
| 83 | 79 | ||
| 84 | void ss_fault(int n, void *stack) |
80 | void ss_fault(int n, istate_t *istate) |
| 85 | { |
81 | { |
| 86 | PRINT_INFO_ERRCODE(stack); |
82 | PRINT_INFO_ERRCODE(istate); |
| 87 | panic("stack fault\n"); |
83 | panic("stack fault\n"); |
| 88 | } |
84 | } |
| 89 | 85 | ||
| 90 | - | ||
| 91 | void nm_fault(int n, void *stack) |
86 | void nm_fault(int n, istate_t *istate) |
| 92 | { |
87 | { |
| 93 | #ifdef CONFIG_FPU_LAZY |
88 | #ifdef CONFIG_FPU_LAZY |
| 94 | scheduler_fpu_lazy_request(); |
89 | scheduler_fpu_lazy_request(); |
| 95 | #else |
90 | #else |
| 96 | panic("fpu fault"); |
91 | panic("fpu fault"); |
| 97 | #endif |
92 | #endif |
| 98 | } |
93 | } |
| 99 | 94 | ||
| 100 | - | ||
| 101 | - | ||
| 102 | void page_fault(int n, void *stack) |
95 | void page_fault(int n, istate_t *istate) |
| 103 | { |
96 | { |
| 104 | __address page; |
97 | __address page; |
| 105 | 98 | ||
| 106 | page = read_cr2(); |
99 | page = read_cr2(); |
| 107 | if (!as_page_fault(page)) { |
100 | if (!as_page_fault(page)) { |
| 108 | PRINT_INFO_ERRCODE(stack); |
101 | PRINT_INFO_ERRCODE(istate); |
| 109 | printf("page fault address: %X\n", page); |
102 | printf("page fault address: %X\n", page); |
| 110 | panic("page fault\n"); |
103 | panic("page fault\n"); |
| 111 | } |
104 | } |
| 112 | } |
105 | } |
| 113 | 106 | ||
| 114 | void syscall(int n, void *st) |
107 | void syscall(int n, istate_t *istate) |
| 115 | { |
108 | { |
| 116 | __native *stack = (__native *) st; |
- | |
| 117 | - | ||
| 118 | interrupts_enable(); |
109 | interrupts_enable(); |
| 119 | if (stack[-2] < SYSCALL_END) |
110 | if (istate->edx < SYSCALL_END) |
| 120 | stack[-2] = syscall_table[stack[-2]](stack[-5], stack[-3], stack[-4]); |
111 | istate->eax = syscall_table[istate->edx](istate->eax, istate->ebx, istate->ecx); |
| 121 | else |
112 | else |
| 122 | panic("Undefined syscall %d", stack[-2]); |
113 | panic("Undefined syscall %d", istate->edx); |
| 123 | interrupts_disable(); |
114 | interrupts_disable(); |
| 124 | } |
115 | } |
| 125 | 116 | ||
| 126 | void tlb_shootdown_ipi(int n, void *stack) |
117 | void tlb_shootdown_ipi(int n, istate_t *istate) |
| 127 | { |
118 | { |
| 128 | trap_virtual_eoi(); |
119 | trap_virtual_eoi(); |
| 129 | tlb_shootdown_ipi_recv(); |
120 | tlb_shootdown_ipi_recv(); |
| 130 | } |
121 | } |
| 131 | 122 | ||