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1 | /* |
1 | /* |
2 | * Copyright (C) 2001-2004 Jakub Jermar |
2 | * Copyright (C) 2001-2004 Jakub Jermar |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | #include <arch/interrupt.h> |
29 | #include <arch/interrupt.h> |
30 | #include <print.h> |
30 | #include <print.h> |
31 | #include <debug.h> |
31 | #include <debug.h> |
32 | #include <panic.h> |
32 | #include <panic.h> |
33 | #include <arch/i8259.h> |
33 | #include <arch/i8259.h> |
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 | #include <symtab.h> |
40 | #include <arch/asm.h> |
40 | #include <arch/asm.h> |
41 | 41 | ||
- | 42 | ||
42 | #define PRINT_INFO_ERRCODE(n,x) { \ |
43 | static void print_info_errcode(__u8 n, __native x[]) |
- | 44 | { |
|
43 | char *symbol = get_symtab_entry(stack[1]); \ |
45 | char *symbol; |
- | 46 | ||
44 | if (!symbol) \ |
47 | if (!(symbol=get_symtab_entry(x[1]))) |
45 | symbol = ""; \ |
48 | symbol = ""; |
- | 49 | ||
46 | printf("-----EXCEPTION(%d) OCCURED----- ( %s )\n",n,__FUNCTION__); \ |
50 | printf("-----EXCEPTION(%d) OCCURED----- ( %s )\n",n,__FUNCTION__); |
47 | printf("%%rip: %Q (%s)\n",x[1],symbol); \ |
51 | printf("%%rip: %Q (%s)\n",x[1],symbol); |
48 | printf("ERROR_WORD=%Q\n", x[0]); \ |
52 | printf("ERROR_WORD=%Q\n", x[0]); |
49 | printf("%%rcs=%Q,flags=%Q, %%cr0=%Q\n", x[2], x[3],read_cr0()); \ |
53 | printf("%%rcs=%Q,flags=%Q, %%cr0=%Q\n", x[2], x[3],read_cr0()); |
50 | printf("%%rax=%Q, %%rbx=%Q, %%rcx=%Q\n",x[-2],x[-3],x[-4]); \ |
54 | printf("%%rax=%Q, %%rbx=%Q, %%rcx=%Q\n",x[-2],x[-3],x[-4]); |
51 | printf("%%rdx=%Q, %%rsi=%Q, %%rdi=%Q\n",x[-5],x[-6],x[-7]); \ |
55 | printf("%%rdx=%Q, %%rsi=%Q, %%rdi=%Q\n",x[-5],x[-6],x[-7]); |
52 | printf("%%r8 =%Q, %%r9 =%Q, %%r10=%Q\n",x[-8],x[-9],x[-10]); \ |
56 | printf("%%r8 =%Q, %%r9 =%Q, %%r10=%Q\n",x[-8],x[-9],x[-10]); |
53 | printf("%%r11=%Q, %%r12=%Q, %%r13=%Q\n",x[-11],x[-12],x[-13]); \ |
57 | printf("%%r11=%Q, %%r12=%Q, %%r13=%Q\n",x[-11],x[-12],x[-13]); |
54 | printf("%%r14=%Q, %%r15=%Q, %%rsp=%Q\n",x[-14],x[-15],x); \ |
58 | printf("%%r14=%Q, %%r15=%Q, %%rsp=%Q\n",x[-14],x[-15],x); |
55 | printf("%%rbp=%Q\n",x[-1]); \ |
59 | printf("%%rbp=%Q\n",x[-1]); |
56 | printf("stack: %Q, %Q, %Q\n", x[5], x[6], x[7]); \ |
60 | printf("stack: %Q, %Q, %Q\n", x[5], x[6], x[7]); |
57 | printf(" %Q, %Q, %Q\n", x[8], x[9], x[10]); \ |
61 | printf(" %Q, %Q, %Q\n", x[8], x[9], x[10]); |
58 | printf(" %Q, %Q, %Q\n", x[11], x[12], x[13]); \ |
62 | printf(" %Q, %Q, %Q\n", x[11], x[12], x[13]); |
59 | printf(" %Q, %Q, %Q\n", x[14], x[15], x[16]); \ |
63 | printf(" %Q, %Q, %Q\n", x[14], x[15], x[16]); |
60 | printf(" %Q, %Q, %Q\n", x[17], x[18], x[19]); \ |
64 | printf(" %Q, %Q, %Q\n", x[17], x[18], x[19]); |
61 | printf(" %Q, %Q, %Q\n", x[20], x[21], x[22]); \ |
65 | printf(" %Q, %Q, %Q\n", x[20], x[21], x[22]); |
62 | printf(" %Q, %Q, %Q\n", x[23], x[24], x[25]); \ |
66 | printf(" %Q, %Q, %Q\n", x[23], x[24], x[25]); |
63 | } |
67 | } |
64 | 68 | ||
65 | /* |
69 | /* |
66 | * Interrupt and exception dispatching. |
70 | * Interrupt and exception dispatching. |
67 | */ |
71 | */ |
68 | 72 | ||
69 | static iroutine ivt[IVT_ITEMS]; |
73 | static iroutine ivt[IVT_ITEMS]; |
70 | 74 | ||
71 | void (* disable_irqs_function)(__u16 irqmask) = NULL; |
75 | void (* disable_irqs_function)(__u16 irqmask) = NULL; |
72 | void (* enable_irqs_function)(__u16 irqmask) = NULL; |
76 | void (* enable_irqs_function)(__u16 irqmask) = NULL; |
73 | void (* eoi_function)(void) = NULL; |
77 | void (* eoi_function)(void) = NULL; |
74 | 78 | ||
75 | iroutine trap_register(__u8 n, iroutine f) |
79 | iroutine trap_register(__u8 n, iroutine f) |
76 | { |
80 | { |
77 | ASSERT(n < IVT_ITEMS); |
81 | ASSERT(n < IVT_ITEMS); |
78 | 82 | ||
79 | iroutine old; |
83 | iroutine old; |
80 | 84 | ||
81 | old = ivt[n]; |
85 | old = ivt[n]; |
82 | ivt[n] = f; |
86 | ivt[n] = f; |
83 | 87 | ||
84 | return old; |
88 | return old; |
85 | } |
89 | } |
86 | 90 | ||
87 | /* |
91 | /* |
88 | * Called directly from the assembler code. |
92 | * Called directly from the assembler code. |
89 | * CPU is cpu_priority_high(). |
93 | * CPU is cpu_priority_high(). |
90 | */ |
94 | */ |
91 | void trap_dispatcher(__u8 n, __native stack[]) |
95 | void trap_dispatcher(__u8 n, __native stack[]) |
92 | { |
96 | { |
93 | ASSERT(n < IVT_ITEMS); |
97 | ASSERT(n < IVT_ITEMS); |
94 | 98 | ||
95 | ivt[n](n, stack); |
99 | ivt[n](n, stack); |
96 | } |
100 | } |
97 | 101 | ||
98 | void null_interrupt(__u8 n, __native stack[]) |
102 | void null_interrupt(__u8 n, __native stack[]) |
99 | { |
103 | { |
100 | printf("-----EXCEPTION(%d) OCCURED----- ( %s )\n",n,__FUNCTION__); \ |
104 | printf("-----EXCEPTION(%d) OCCURED----- ( %s )\n",n,__FUNCTION__); \ |
101 | printf("stack: %L, %L, %L, %L\n", stack[0], stack[1], stack[2], stack[3]); |
105 | printf("stack: %L, %L, %L, %L\n", stack[0], stack[1], stack[2], stack[3]); |
102 | panic("unserviced interrupt\n"); |
106 | panic("unserviced interrupt\n"); |
103 | } |
107 | } |
104 | 108 | ||
105 | void gp_fault(__u8 n, __native stack[]) |
109 | void gp_fault(__u8 n, __native stack[]) |
106 | { |
110 | { |
107 | PRINT_INFO_ERRCODE(n,stack); |
111 | print_info_errcode(n,stack); |
108 | panic("general protection fault\n"); |
112 | panic("general protection fault\n"); |
109 | } |
113 | } |
110 | 114 | ||
111 | void ss_fault(__u8 n, __native stack[]) |
115 | void ss_fault(__u8 n, __native stack[]) |
112 | { |
116 | { |
113 | PRINT_INFO_ERRCODE(n,stack); |
117 | print_info_errcode(n,stack); |
114 | panic("stack fault\n"); |
118 | panic("stack fault\n"); |
115 | } |
119 | } |
116 | 120 | ||
117 | 121 | ||
118 | void nm_fault(__u8 n, __native stack[]) |
122 | void nm_fault(__u8 n, __native stack[]) |
119 | { |
123 | { |
120 | reset_TS_flag(); |
124 | reset_TS_flag(); |
121 | if (CPU->fpu_owner != NULL) { |
125 | if (CPU->fpu_owner != NULL) { |
122 | fpu_lazy_context_save(&CPU->fpu_owner->saved_fpu_context); |
126 | fpu_lazy_context_save(&CPU->fpu_owner->saved_fpu_context); |
123 | /* don't prevent migration */ |
127 | /* don't prevent migration */ |
124 | CPU->fpu_owner->fpu_context_engaged=0; |
128 | CPU->fpu_owner->fpu_context_engaged=0; |
125 | } |
129 | } |
126 | if (THREAD->fpu_context_exists) |
130 | if (THREAD->fpu_context_exists) |
127 | fpu_lazy_context_restore(&THREAD->saved_fpu_context); |
131 | fpu_lazy_context_restore(&THREAD->saved_fpu_context); |
128 | else { |
132 | else { |
129 | fpu_init(); |
133 | fpu_init(); |
130 | THREAD->fpu_context_exists=1; |
134 | THREAD->fpu_context_exists=1; |
131 | } |
135 | } |
132 | CPU->fpu_owner=THREAD; |
136 | CPU->fpu_owner=THREAD; |
133 | } |
137 | } |
134 | 138 | ||
135 | 139 | ||
136 | 140 | ||
137 | void page_fault(__u8 n, __native stack[]) |
141 | void page_fault(__u8 n, __native stack[]) |
138 | { |
142 | { |
139 | PRINT_INFO_ERRCODE(n,stack); |
143 | print_info_errcode(n,stack); |
140 | printf("Page fault address: %Q\n", read_cr2()); |
144 | printf("Page fault address: %Q\n", read_cr2()); |
141 | panic("page fault\n"); |
145 | panic("page fault\n"); |
142 | } |
146 | } |
143 | 147 | ||
144 | void syscall(__u8 n, __native stack[]) |
148 | void syscall(__u8 n, __native stack[]) |
145 | { |
149 | { |
146 | printf("cpu%d: syscall\n", CPU->id); |
150 | printf("cpu%d: syscall\n", CPU->id); |
147 | thread_usleep(1000); |
151 | thread_usleep(1000); |
148 | } |
152 | } |
149 | 153 | ||
150 | void tlb_shootdown_ipi(__u8 n, __native stack[]) |
154 | void tlb_shootdown_ipi(__u8 n, __native stack[]) |
151 | { |
155 | { |
152 | trap_virtual_eoi(); |
156 | trap_virtual_eoi(); |
153 | tlb_shootdown_ipi_recv(); |
157 | tlb_shootdown_ipi_recv(); |
154 | } |
158 | } |
155 | 159 | ||
156 | void wakeup_ipi(__u8 n, __native stack[]) |
160 | void wakeup_ipi(__u8 n, __native stack[]) |
157 | { |
161 | { |
158 | trap_virtual_eoi(); |
162 | trap_virtual_eoi(); |
159 | } |
163 | } |
160 | 164 | ||
161 | void trap_virtual_enable_irqs(__u16 irqmask) |
165 | void trap_virtual_enable_irqs(__u16 irqmask) |
162 | { |
166 | { |
163 | if (enable_irqs_function) |
167 | if (enable_irqs_function) |
164 | enable_irqs_function(irqmask); |
168 | enable_irqs_function(irqmask); |
165 | else |
169 | else |
166 | panic("no enable_irqs_function\n"); |
170 | panic("no enable_irqs_function\n"); |
167 | } |
171 | } |
168 | 172 | ||
169 | void trap_virtual_disable_irqs(__u16 irqmask) |
173 | void trap_virtual_disable_irqs(__u16 irqmask) |
170 | { |
174 | { |
171 | if (disable_irqs_function) |
175 | if (disable_irqs_function) |
172 | disable_irqs_function(irqmask); |
176 | disable_irqs_function(irqmask); |
173 | else |
177 | else |
174 | panic("no disable_irqs_function\n"); |
178 | panic("no disable_irqs_function\n"); |
175 | } |
179 | } |
176 | 180 | ||
177 | void trap_virtual_eoi(void) |
181 | void trap_virtual_eoi(void) |
178 | { |
182 | { |
179 | if (eoi_function) |
183 | if (eoi_function) |
180 | eoi_function(); |
184 | eoi_function(); |
181 | else |
185 | else |
182 | panic("no eoi_function\n"); |
186 | panic("no eoi_function\n"); |
183 | 187 | ||
184 | } |
188 | } |
185 | 189 |