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Line 34... | Line 34... | ||
34 | #include <func.h> |
34 | #include <func.h> |
35 | #include <cpu.h> |
35 | #include <cpu.h> |
36 | #include <arch/asm.h> |
36 | #include <arch/asm.h> |
37 | #include <mm/tlb.h> |
37 | #include <mm/tlb.h> |
38 | #include <arch.h> |
38 | #include <arch.h> |
- | 39 | #include <symtab.h> |
|
39 | 40 | ||
40 | /* |
41 | /* |
41 | * Interrupt and exception dispatching. |
42 | * Interrupt and exception dispatching. |
42 | */ |
43 | */ |
43 | 44 | ||
Line 45... | Line 46... | ||
45 | 46 | ||
46 | void (* disable_irqs_function)(__u16 irqmask) = NULL; |
47 | void (* disable_irqs_function)(__u16 irqmask) = NULL; |
47 | void (* enable_irqs_function)(__u16 irqmask) = NULL; |
48 | void (* enable_irqs_function)(__u16 irqmask) = NULL; |
48 | void (* eoi_function)(void) = NULL; |
49 | void (* eoi_function)(void) = NULL; |
49 | 50 | ||
- | 51 | #define PRINT_INFO_ERRCODE(x) { \ |
|
- | 52 | char *symbol = get_symtab_entry(stack[1]); \ |
|
- | 53 | if (!symbol) \ |
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- | 54 | symbol = ""; \ |
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- | 55 | printf("----------------EXCEPTION OCCURED----------------\n"); \ |
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- | 56 | printf("%%eip: %X (%s)\n",x[1],symbol); \ |
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- | 57 | printf("ERROR_WORD=%X\n", x[0]); \ |
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- | 58 | printf("%%cs=%X,flags=%X\n", x[2], x[3]); \ |
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- | 59 | printf("%%eax=%X, %%ebx=%X, %%ecx=%X, %%edx=%X\n",\ |
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- | 60 | x[-2],x[-5],x[-3],x[-4]); \ |
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- | 61 | printf("%%esi=%X, %%edi=%X, %%ebp=%X, %%esp=%X\n",\ |
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- | 62 | x[-8],x[-9],x[-1],x); \ |
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- | 63 | printf("stack: %X, %X, %X, %X\n", x[4], x[5], x[6], x[7]); \ |
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- | 64 | printf(" %X, %X, %X, %X\n", x[8], x[9], x[10], x[11]); \ |
|
- | 65 | } |
|
- | 66 | ||
50 | iroutine trap_register(__u8 n, iroutine f) |
67 | iroutine trap_register(__u8 n, iroutine f) |
51 | { |
68 | { |
52 | ASSERT(n < IVT_ITEMS); |
69 | ASSERT(n < IVT_ITEMS); |
53 | 70 | ||
54 | iroutine old; |
71 | iroutine old; |
Line 77... | Line 94... | ||
77 | panic("unserviced interrupt\n"); |
94 | panic("unserviced interrupt\n"); |
78 | } |
95 | } |
79 | 96 | ||
80 | void gp_fault(__u8 n, __native stack[]) |
97 | void gp_fault(__u8 n, __native stack[]) |
81 | { |
98 | { |
82 | printf("ERROR_WORD=%X, %%eip=%X, %%cs=%X, flags=%X\n", stack[0], stack[1], stack[2], stack[3]); |
- | |
83 | printf("%%eax=%L, %%ebx=%L, %%ecx=%L, %%edx=%L,\n%%edi=%L, %%esi=%L, %%ebp=%L, %%esp=%L\n", stack[-2], stack[-5], stack[-3], stack[-4], stack[-9], stack[-8], stack[-1], stack); |
- | |
84 | printf("stack: %X, %X, %X, %X\n", stack[4], stack[5], stack[6], stack[7]); |
99 | PRINT_INFO_ERRCODE(stack); |
85 | panic("general protection fault\n"); |
100 | panic("general protection fault\n"); |
86 | } |
101 | } |
87 | 102 | ||
88 | void ss_fault(__u8 n, __native stack[]) |
103 | void ss_fault(__u8 n, __native stack[]) |
89 | { |
104 | { |
90 | printf("ERROR_WORD=%X, %%eip=%X, %%cs=%X, flags=%X\n", stack[0], stack[1], stack[2], stack[3]); |
- | |
91 | printf("%%eax=%L, %%ebx=%L, %%ecx=%L, %%edx=%L,\n%%edi=%L, %%esi=%L, %%ebp=%L, %%esp=%L\n", stack[-2], stack[-5], stack[-3], stack[-4], stack[-9], stack[-8], stack[-1], stack); |
- | |
92 | printf("stack: %X, %X, %X, %X\n", stack[4], stack[5], stack[6], stack[7]); |
105 | PRINT_INFO_ERRCODE(stack); |
93 | panic("stack fault\n"); |
106 | panic("stack fault\n"); |
94 | } |
107 | } |
95 | 108 | ||
96 | 109 | ||
97 | void nm_fault(__u8 n, __native stack[]) |
110 | void nm_fault(__u8 n, __native stack[]) |
Line 108... | Line 121... | ||
108 | 121 | ||
109 | 122 | ||
110 | 123 | ||
111 | void page_fault(__u8 n, __native stack[]) |
124 | void page_fault(__u8 n, __native stack[]) |
112 | { |
125 | { |
- | 126 | PRINT_INFO_ERRCODE(stack); |
|
113 | printf("page fault address: %X\n", read_cr2()); |
127 | printf("page fault address: %X\n", read_cr2()); |
114 | printf("ERROR_WORD=%X, %%eip=%X, %%cs=%X, flags=%X\n", stack[0], stack[1], stack[2], stack[3]); |
- | |
115 | printf("%%eax=%L, %%ebx=%L, %%ecx=%L, %%edx=%L,\n%%edi=%L, %%esi=%L, %%ebp=%L, %%esp=%L\n", stack[-2], stack[-5], stack[-3], stack[-4], stack[-9], stack[-8], stack[-1], stack); |
- | |
116 | printf("stack: %X, %X, %X, %X\n", stack[4], stack[5], stack[6], stack[7]); |
- | |
117 | panic("page fault\n"); |
128 | panic("page fault\n"); |
118 | } |
129 | } |
119 | 130 | ||
120 | void syscall(__u8 n, __native stack[]) |
131 | void syscall(__u8 n, __native stack[]) |
121 | { |
132 | { |